A flow control apparatus for a HVAC system

Indoor unit and air-conditioning apparatus including the same

Air-conditioning control system

Mechanical ventilation heat recovery unit

A ventilation heat recovery unit comprises a first air flow path 5 for a first air flow F1 drawn from within an enclosed space, a second air flow path 7 for a second air flow F2 drawn from an external environment and a heat exchanger 9 transferring heat from the first to the second air flow. A flow measurement system comprises first and second pressure taps 33a-b located respectively in an inlet chamber 15 and an outlet chamber 17 of the first flow path and third and fourth pressure taps 33c-d located respectively in an inlet chamber 25 and an outlet chamber 27 of the second flow path. At least one pressure detector 35 detects the pressures at the first to fourth pressure taps. The flow rates of the first and second airflows are determined by respective pressure differentials between the first and second pressure taps and the third and fourth pressure taps. A first filter 19 may be provided in the first flow path upstream of the first pressure tap and a fifth pressure tap 33e provided upstream ...

Heating & ventilating system

An apparatus for controlling ventilation of an enclosed area comprising a plurality of floor zones. Each floor zone comprises a radiant heater 413 spaced above each floor zone, a ventilating air inlet 415 located at the same level as, or closer to, the floor than the radiant heater, the air inlet being arranged at the same level as, or close to, the floor than the radiant heater, the air inlet being arranged to draw-in a controllable quantity of air from outside of the enclosed area; a ventilating air outlet 417 spaced further from the floor than the radiant heater and air inlet, the air outlet being arranged to extract a controllable quantity of air from inside the enclosed area, one or more pollution sensors 432 located inside and/or outside the enclosed area and a computer control system configured to independently change, for each floor, the quantity of air being drawn into the floor zone based on sensed decrease in air quality from the pollution sensor.

Assembly and method of installing an assembly

An assembly 1 comprises a mounting device 6 configured to be attached to a wall, an air pressure stabiliser 2 which comprises at least one control member 22 pivotably supported in an opening in a frame 21 for movement in response to differential air pressure across opposite sides of the frame. A damper 8 is used to substantially block airflow to or from the air pressure stabiliser. The damper is attached to the mounting device, partially inside a cavity defined by a wall when the mounting device is fixed thereto. There may be a housing 4 that can enclose the pressure stabiliser in an enclosure 42. The damper may comprise a series of blades (81, figure 3) which may be controlled by an actuator assembly 10 that is formed of a controller 110 and a support 120 that mounts the actuator assembly to a casing 82 of the damper.

Air conditioner

An air conditioner (1A) has a control unit (14A) which controls an inverter device (12) according to the instruction received by a reception unit (13). The control unit (14A) has: a rotational speed acquisition unit (34) which acquires a designated rotational speed corresponding to a set of air volume and wind speed; a correction value acquisition unit (35) which determines an operation pattern and the presence or absence of a power-saving mode and a sleep mode, and acquires a designated correction value; and a selection unit (39) which selects three-phase operation if the designated rotational speed is less than the threshold value calculated by adding the designated correction value to a fixed value, and which selects two-phase operation if the designated rotational speed is the threshold value or more.

General elevator air disinfection and ventilation system

The present invention discloses a general elevator air disinfection and ventilation system comprises an elevator, the top of the elevator is provided with an air inlet and an air outlet; the air inlet is provided with a first fan blade, which is driven by a motor to rotate and introduce airflow into the elevator, a second fan blade is provided in the air outlet, and the second fan blade is driven to rotate by a motor to lead out the airflow in the elevator, and an ultraviolet disinfection and germicidal lamp is provided in the elevator. The present invention is provided with an air inlet and an air outlet through the top of the elevator, the air inlet and the air outlet are respectively provided with a first fan blade and a second fan blade, the first fan blade and the second fan blade are driven by the motor rotate downwards to form a circulating air flow in the elevator for ventilation, which can avoid the high temperature in the elevator and the input of fresh air, at the same time, ...

FLOW CONTROLLER

A flow control system is disclosed having a damper located between an inlet and an outlet wherein the position of the damper controls the flow of fluid between the inlet and the outlet, the damper having a pressure drop thereacross, a pressure drop sensor for sensing the pressure drop across the damper, a processor control responsive to the pressure drop sensor for providing an output having a value dependent upon the damper position which will allow a desired amount of flow between the inlet and the outlet based upon the pressure drop across the damper, and a motor responsive to the output for operating the damper to a position to provide the desired flow.

BUILDING COMPRISING AN AIR QUALITY CONTROL SYSTEM AND A SYSTEM AND METHOD FOR AIR QUALITY CONTROL

Building, comprising at least one living space, separated from an outside space by at least one outer wall, wherein at least one heat exchanger unit is provided at said outer wall and wherein at least one ventilator is provided for said heat exchanger unit, for forcing air through a heat exchanger of the heat exchanger unit, wherein an air outlet duct is connected to the heat exchanger unit for allowing air to be expelled from the at least one living space through the heat exchanger, such that heat can be exchanged in the heat exchanger between air flowing into the at least one hving space and air being expelled from said at least one living space, wherein in said at least one living space at least one sensor unit is provided for assessment of air quahty and/or noise in said at least one living space and control of the at least one ventilator and/or the at least one heat exchanger unit based on the assessed air quality and/or noise level in said living space.

FAN DEVICE, AIR FLOW ADJUSTMENT DEVICE AND AIR VOLUME CONTROL METHOD THEREOF

A motor-driven fan device includes a motor, a processor, a storage with a lookup table stored therein, and a speed detection unit. The processor queries the lookup table or calculates to acquire the target driving voltage and a corresponding target rotating speed of the motor. When the rotating speed difference is not within the range of the preset rotating speed difference, the processor repeatedly adds a gain value to the target driving voltage to acquire a new target driving voltage, acquires the actual rotating speed and the target rotating speed, and determines whether the rotating speed difference is within the range of the preset rotating speed difference. The processor maintains the operation of the motor at the target rotating speed at that point by using the constant speed control method when the absolute value of rotating speed difference is within the range of the preset rotating speed difference.

METHOD FOR CONTROLLING AIR VOLUME OUTPUT PROVIDED BY MOTOR AND AIR-CONDITIONING FAN SYSTEM

A method for controlling air volume including: 1) establishing a functional relation formula for air volume in a microprocessor control unit of a motor controller; 2) inputting a target air volume into the microprocessor control unit of the motor controller; 3) starting a motor by the motor controller under a torque to enable the motor to fall on a steady state; 4) recording the rotational speed in the steady state, and calculating an air volume in the steady state; 5) comparing the target air volume with the calculated air volume; 6) re-recording a steady rotational speed after the motor falls on a new steady state under an increased or reduced torque, and recalculating the air volume in the new steady state; and 7) repeating steps 5) and 6) to adjust the torque until the calculated air volume is equal or equivalent to the target air volume.

DEVICE AIR DIFFUSER FOR VENTILATING ROOMS

Automatic air flow measurement and control system for clean air-conditioning system of pharmaceutical plant

Intelligent control method and system for air conditioner

Air conditioner air speed control method and device and air conditioner

Remote jet unit with adjustable air volume

Wind -controlled system of arranging is concentrated in laboratory

Movable working platform for underground space

Fresh air ventilation and purification device

A air cycle equipment and fan air cycle system for having station room of fan

Electric high-efficiency air volume regulating valve

Heating equipment and energy-saving and heat-preservation control method thereof

Large-space humidity control system and method thereof

Air flue structure, air conditioner control method, air conditioner and storage medium

Air conditioner, sensor system, and thermal sensation estimation method

Air conditioning system and control method of air conditioning system

Vertical parallel type fresh air system for teaching building

Air conditioner

A fresh air unit of the intelligent control method and the application of the method of the fresh air unit

Indoor wall hanging machine for air conditioner

Central ventilation system capable of being adjusted as required and air quantity control method thereof

Air conditioner and comfort control method thereof

Fresh air system based on neural network

Flow control method of temperature control device, control device and engineering machinery

The embodiment of the invention provides a flow control method of a temperature control device, a control device and engineering machinery, and belongs to the technical field of engineering machinery. The method comprises the following steps: acquiring the temperature and humidity of a target space comprising a temperature control device; determining a target temperature interval of the target space according to the temperature and humidity; a fluid domain model of the target space is established, and the fluid domain model comprises a plurality of temperature measurement points and ventilation openings; calculating the average temperature of all the temperature measuring points according to the fluid domain model, the temperature and humidity and each preset flow value; determining a target flow value of the ventilation opening according to the average temperature and the target temperature interval; and controlling the temperature control device based on the target flow value. In the ...

Air purifier, control method and device thereof and storage medium

The invention belongs to the field of air purification, and provides an air purifier, a control method and device thereof and a storage medium. The method comprises the steps that the purification speed of the air purifier is determined, and the standard deviation of air quality corresponding to the purification speed is determined; the target air quality of the air purifier is determined according to the purification speed and the standard deviation corresponding to the purification speed; and according to the target air quality and the purification speed of the air purifier, the working state of the air purifier is controlled. The target air quality is quickly determined on the basis of the purification speed and the standard deviation of the air quality, the purification effect of the air purifier after operation is guaranteed, the low-efficiency operation time at a high gear is shortened, and electric energy is saved.

Air conditioner self-cleaning sterilization control method and device, computer equipment and storage medium

The invention relates to an air conditioner self-cleaning sterilization control method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring a first indoor environment temperature when the air conditioner runs in a self-cleaning mode; the temperature difference between the first indoor environment temperature and a second indoor environment temperature before the air conditioner runs in the self-cleaning mode is determined; determining a wind blocking angle of a wind shield and a wind guiding angle of a wind deflector in the air conditioner according to the temperature difference; and the air baffle is adjusted based on the air blocking angle of the air baffle, and the air guide plate is adjusted based on the air guide angle of the air guide plate, so that an air return channel is constructed in the air conditioner. The method can reduce the energy consumption of the self-cleaning mode of the air conditioner ...

Air conditioner control method, system and device, medium and air conditioner

The invention relates to the technical field of air conditioner control, in particular to an air conditioner control method, system and device, a medium and an air conditioner, and aims to solve the problems that due to long-time use, bacteria, molds and the like are prone to breeding in the air conditioner, peculiar smell is generated in the air conditioner, air blown out when the air conditioner is used has peculiar smell, and the user experience is reduced. In order to achieve the purpose, after an instruction for starting a disinfection and sterilization mode is received, current operation state data of the air conditioner is collected, an ozone generator module is controlled to generate ozone according to the current operation state, and the ozone is diffused in the air conditioner through air conditioner circulating air, so that the interior of the air conditioner is disinfected and sterilized. The interior of the air conditioner can be thoroughly cleaned, peculiar smells which are ...

Control method of air conditioner, air conditioner and computer readable storage medium

The invention relates to the technical field of air conditioner control, and particularly provides a control method and device of an air conditioner and a computer readable storage medium. The control method of the air conditioner comprises the steps that the relative position of a green plant relative to the air conditioner is obtained; and in response to a mode instruction, obtained by the air conditioner, of starting the green plant oxygenation mode, the air outlet direction and/or the air outlet speed of the air conditioner are/is controlled, so that the air outlet amount when the air conditioner discharges air to the relative position is increased. Due to the fact that under photosynthesis, the oxygen content of the area where the green plants are located is high, air circulation of the area where the green plants are located is accelerated, oxygen can be diffused to other indoor areas, and the effect of improving the indoor environment is improved.

A VALVE DEVICE FOR REGULATING THE AIR FLOW INTO AN OPENING.

Air circulation equipment

CYCLONE-AIR CLEANER USING ELECTRIC FIELD

The present invention is to collect dust in a cyclone manner, and to effectively filter fine cationized foreign matters by using an electric field. A plurality of cyclone bodies (10) are provided, and each cyclone body (10) includes a first electrode (12), which is formed in a cylindrical shape on an outer surface of a vortex finder (8) to receive cations, and a second electrode (14) which is formed in a cylindrical shape and on an inner surface of the cyclone body to receive anions to form the electric field together with the first electrode (12). A plurality of valves (130) are mounted at any one of a discharge tube (30), an inlet (6), and an outlet (9) of each cyclone body, thereby controlling the whole discharge airflow. A controller (100) controls, in response to a signal of an input unit installed to allow a user to input an operating mode, the opening and the closing of some of the plurality of valves (130) while controlling the revolution per minute (RPM) of the airflow forming ...

Air curtain velocity control method and device thereof for open display refrigerator cabinet

SPJAELLANORDNING FOER VENTILATIONSANLAEGGNINGAR

AIR CONDITIONING VENTILATION SYSTEM, DEVICE FOR CONTROLLING AIR CONDITIONING VENTILATION SYSTEM, AND METHOD FOR CONTROLLING AIR CONDITIONING VENTILATION SYSTEM

The present invention provides an air conditioning ventilation system equipped with a ventilation device, an air conditioner, one or more blowers installed near an inner wall, surface temperature detectors disposed at a plurality of locations on the inner wall, an indoor dew point temperature acquisition unit, and a control device. The control device has: a behavior storage unit for storing the change over time of various types of detectors including the surface temperature detectors; a condensation risk assessment unit for assessing, on the basis of the values detected by the plurality of surface temperature detectors and the indoor dew point temperature acquired by the indoor dew point temperature acquisition unit, whether a condensation occurrence risk has arisen; a condensation factor estimation unit for estimating a factor for an increase in the condensation occurrence risk; and a selection unit for selecting a corresponding condensation avoidance operation from among a plurality of ...

AIR-CONDITIONING DEVICE, CONTROL DEVICE, AIR-CONDITIONING METHOD, AND PROGRAM

In this air-conditioning device, an air-conditioning unit (110) has: a heat exchanger for exchanging heat between air in a space to be air-conditioned and a refrigerant flowing through refrigerant piping; and first blower and a second blower, which each deliver air to the heat exchanger, and the air-conditioning unit (110) conditions the air in the space to be air conditioned. An acquiring unit (510) acquires, by means of a temperature sensor (41) installed at a position closer to the second blower than the first blower, the temperature of air to be delivered to the heat exchanger. An air-conditioning control unit (540) switches between a first dehumidifying mode and a second dehumidifying mode according to the temperature acquired by the acquiring unit (510) and causes the air-conditioning unit (110) to dehumidify the space to be air-conditioned. In the first dehumidifying mode, the air-conditioning control unit (540) causes the first blower and the second blower to be driven at a prescribed ...

COOLING CONTROL DEVICE, COOLING SYSTEM, AND COOLING CONTROL METHOD

A cooling control device (13) acquires temperatures detected by a plurality of temperature sensors (14) disposed at respectively different positions in a target space (50). The cooling control device (13) specifies a target position at which there is disposed a temperature sensor (14) that detected a temperature higher than a reference temperature, from among the plurality of temperature sensors (14), and controls the blowing amount of a blower (122) so that the upper limit reached by air cooled by a heat exchanger (121) is within a target range with reference to the target position.

ARRANGEMENT AND METHOD FOR DETERMINATION OF ADJUSTMENT PARAMETERS OF AN HVAC SYSTEM

An arrangement (100) and method for determining adjustment parameters for at least two components (112, 114) utilized in an HVAC system. The arrangement (100) comprises at least one processor (102) and is configured to receive information regarding a duct configuration comprising at least one duct (104). The processor (100) is additionally configured to receive target values for a first flow parameter at first and second duct locations corresponding to locations of the first and second components (112, 114). At least one measured value for a second flow parameter at a measuring location is received, and determined values for the second flow parameter at the first and second duct locations are resolved. First and second flow factors are determined, and first and second adjustment parameters may then be determined for the first and second components.

CONTROL SYSTEM, CONTROL METHOD, AND PROGRAM

This control system comprises: a ventilation device (110) which performs exchange between gas inside a room (98) including an infectious object and gas outside the room, to discharge and remove the infectious object; a supply device (120) which supplies an inactivating substance, for inactivating the infectious object, to inside the room (98) to inactivate and remove the infectious object; and a control device (100) which controls the ventilation device (110) and the supply device (120). The control device (100) switches between a first mode and a second mode which is different from the first mode. The first mode is for performing at least one of a first operation whereby, on the occasion of increasing the removal capability of one of the ventilation device (110) and the supply device (120), the removal capability of the other is decreased, and a second operation whereby, on the occasion of decreasing the removal efficiency of one of the ventilation device (110) and the supply device (120 ...

Air distribution system

The present disclosure provides an air distribution system comprised of a central unit connected to a ventilation system and a control system. The central unit is responsible for re-directing ambient air through an evaporator and condenser coil in order to heat and cool said air and separately distribute it through the ventilation system. A control system is connected to the ventilation system, which allows for either hot or cool air that is compartmented in the ventilation system to be distributed in the rooms. By doing so, the air distribution system is able to manage the various demands for simultaneous hot and cold air demands.

Integrated Heat And Energy Recovery Ventilator System

A heat recovery ventilator (HRV) and/or energy recovery ventilator (ERV) that integrates with a residential capacity air handling unit (AHU) is embodied in a small footprint HRV or ERV unit that connects directly to the return side of an AHU and to outdoor air inlet and exhaust ducts. The ventilator includes a control system incorporating a processor and sensors that control the operation of the system to provide desired ventilation flow rates under varying conditions. 1. A heat and/or energy recovery ventilator comprising: an air-to-air exchanger;', 'a mixing plenum for receiving return air from the conditioned space;', 'a mixing plenum air inlet for receiving return air from the conditioned space;', 'a mixing plenum air outlet for releasing air from the mixing plenum;', 'an extract air inlet for receiving extract air from the return air from the conditioned space;', 'an extract air flow path connecting the extract air inlet to the air to air exchanger;', 'an outdoor air inlet for receiving outdoor air;', 'an outdoor air flow path connecting the outdoor air inlet to the air to air exchanger whereby outdoor air received in the air to air exchanger is tempered by the extract air to provide tempered outdoor air; and', 'a tempered outdoor air flow path connecting the air to air exchanger to the mixing plenum whereby tempered outdoor air is mixed with return air from the conditioned space in the mixing plenum;', 'said mixing plenum air outlet providing an air flow path to the air handling unit., 'a case adapted to be mounted directly to a return side of an air handling unit of a residential HVAC system and receive return air and containing2. The heat and/or energy recovery ventilator of claim 1 , wherein the heat and/or energy recovery ventilator is sized and adapted to be positioned horizontally adjacent to or vertically stacked below the return side of the air handling unit of a residential heating and/or cooling system.3. The heat and/or energy recovery ventilator of ...

AIR PURIFIER

An air purifier (100) includes a control unit (110). The control unit (110) is configured to acquire occupancy information indicating whether or not a person is in a room. The control unit (110) is configured to switch operational control based on a type of pet specified by a user and the occupancy information. When a person is not in the room, the control unit (110) preferably performs operational control to increase an airflow compared to that when a person is in the room.

ARRANGEMENT AND METHOD FOR DETERMINATION OF ADJUSTMENT PARAMETERS OF AN HVAC SYSTEM

An arrangement and method for determining adjustment parameters for at least two components utilized in an HVAC system. The arrangement comprises at least one processor and is configured to receive information regarding a duct configuration comprising at least one duct. The processor is additionally configured to receive target values for a first flow parameter at first and second duct locations corresponding to locations of the first and second components. At least one measured value for a second flow parameter at a measuring location is received, and determined values for the second flow parameter at the first and second duct locations are resolved. First and second flow factors are determined, and first and second adjustment parameters may then be determined for the first and second components.

Systems and methods for wirelessly configuring climate control system controls

An HVAC system includes a motor having a plurality of speeds at which it can operate, an HVAC control, and a mobile device. The HVAC control is configured to control the motor during a plurality of different operations, and includes a controller processor, a controller memory, and controller near field communication (NFC) wireless interface including an NFC processor, an NFC memory, and an antenna. The mobile device includes a user interface and a mobile NFC wireless interface configured. The mobile device is configured to display the plurality of different operations on the user interface, receive user input settings of speeds of the motor for each of the plurality of different operations, and wirelessly transmit the received user input settings to the controller NFC wireless interface of the HVAC control. The NFC processor is configured to store the received user input settings in the NFC memory.

DIFFUSER ASSEMBLY FOR AN HVAC SYSTEM

A diffuser assembly for a heating, ventilating, and air conditioning (HVAC) system includes a housing having an outer frame and an inner frame disposed within the outer frame. The outer frame includes an inlet configured to receive an air flow. The inner frame forms a first flow path for the air flow through the housing between the outer frame and the inner frame. The inner frame defines a second flow path for the air flow through the inner frame. The diffuser assembly also includes a damper assembly configured to transition between a first configuration to enable discharge of the air flow from the housing via the first flow path and a second configuration to enable discharge of the air flow from the housing via the second flow path.

HIGH RESOLUTION WIDE RANGE PRESSURE SENSOR

A solid-state sensor, including an enclosure having a first opening in a first side of the enclosure and a second opening in a second side of the enclosure, a first passageway in fluid communication with the first and second openings, and a solid-state direction sensor positioned within the first passageway. The solid-state direction sensor can include a first sensor positioned at a first axial position, a second sensor positioned at a second axial position, and a flow deflector positioned at a third axial position that is between the first and second axial positions. The flow deflector can extend into the first passageway so as to constrict the first passageway.

Dual inlet air diffuser

Dual inlet air diffuser for a heating ventilation and air conditioning (HVAC) system. The dual inlet air diffuser mixes two or more separate and/or distinct air streams into a homogenous or nearly homogenous mixture of air. The two or more separate air streams may have different temperatures and/or different humidity levels, and/or may be from different sources, such as having one air stream comprising ventilation air that includes filtered air from an outside, ambient air source and a second conditioned air stream from a heating, air conditioning, or other air treatment unit.

A gas flow regulator

METHOD FOR AIR CONDITIONING OF ROOMS OF A BUILDING

Es wird ein Verfahren zur Klimatisierung von Raumeinheiten eines Gebäudes angegeben, bei welchem pro Raumeinheit ein in derselben endender Zuluftkanal vorgesehen wird. In den Raumeinheiten wird jeweils mindestens ein elektrische Signale liefernder Sensor angebracht, dessen Signale von den im jeweiligen Raum herrschenden klimatischen Bedingungen abhängig sind, und beiwelchem die Größe derden Raumeinheiten zuzuführenden Volumenströme von Frischluft durch eine Zentraleeingestellt wird. Vor Beginn des Verfahrens wird in jedem Zuluftkanaleine dessen Durchlaßweite bestimmende, durch einen elektrischen Stellantrieb verstellbare Luftdrosselangeordnet. In einem Rechnerwird ein Koordinatensystem abgelegt und gespeichert, in dem auf der Ordinate der Druckverlust der Luftdrosseln und auf der Abszisse der durch dieselben leitbare Volumenstrom von Luft angegeben sind, und in dem ein Kennlinienfeld mit den unterschiedlichen prozentualen Öffnungsquerschnitten der Luftdrosseln entsprechenden Kennlinien ...

DEVICE FOR REDUCING THE RADON CONCENTRATION IN A CONFINED SPACE

Vorrichtung und Verfahren zur Regelung eines Luftvolumenstroms

Die Erfindung betrifft eine Vorrichtung (1) zur Regelung eines Luftvolumenstroms mit- einem einen Innenraum (8) umschließenden Rohrstück (3) mit einem den Innenraum (8) an einem Ende (4) des Rohrstücks (3) begrenzenden Lufteintrittsquerschnitt (6) und einem den Innenraum (8) an einem gegenüber liegenden Ende (5) begrenzenden Luftaustrittsquerschnitt (7),- mindestens einem zwischen dem Lufteintrittsquerschnitt (6) und dem Luftaustrittsquerschnitt (7) in dem Innenraum (8) des Rohrstücks (3) angeordneten und von mindestens einem Stellantrieb (22) antreibbaren Stellglied (16, 16') zur Beeinflussung der Größe des durch das Rohrstück (3) strömenden Luftvolumenstroms,- mindestens einem in dem Innenraum (8) angeordneten Luftvolumenstrommesser (28) zur Messung eines Istwerts des den Innenraum (8) des Rochstücks (3) durchströmenden Luftvolumenstroms,- mindestens einem Regler (27) mit○ einer veränderlichen Vorgabe eines Sollwerts des Luftvolumenstroms,○ einem Vergleich zwischen dem Istwert und dem ...

Vorrichtung zur Belüftung eines Raumes

Vorrichtung (11) zur Belüftung eines Raumes aufweisend wenigstens ein Gehäuse (1) mit einem im Inneren ausgebildeten Luftkanal (2) und einen in dem Luftkanal (2) angeordneten Ventilator (3), wobei der Luftkanal (2) in ein Luftauslasselement (7) mit Luftauslassöffnungen (9) mündet, dadurch gekennzeichnet,dass das Luftauslasselement (7) eine Ausströmkammer (8) ausbildet, unddass in dem Luftkanal (2) ein Luftgleichrichter (4) angeordnet ist.

Air-conditioning apparatus

CONTROL SYSTEM FOR EXHAUST GAS FAN SYSTEM

Air conditioner and control method thereof

Fresh air air conditioner

Air conditioner cold accumulation storage temperature control system and method

All-in-one air conditioner using antibacterial and sterilizing filter cloth

Multi-pipeline intelligent fresh air system and energy-saving noise reducing control method thereof

Air conditioner and control method thereof

Indoor environment comprehensive regulation and control system based on thermal comfort requirements of different groups of people

Table air supply device and air conditioner

Control method for automatically adjusting air volume of new fan

Energy-saving building ventilation equipment

Temperature sensing device and air conditioning equipment

Air conditioning equipment and control method thereof

Method for controlling turboring generator, air conditioner, and computer-readable storage medium

Air-duct air conditioner

System and method for intelligently manufacturing carbon fiber geogrid based on MES platform

A fan equipment for new trend system

Temperature and humidity independent control full-air system processing unit with heat recovery function

An air sterilizer of the air volume control device

Differential pressure control system suitable for MAU+FFU+DCC electronic clean room

A air conditioner for local air condition

Anti-freezing machine room air conditioner with high-efficiency heat exchange on user side

Ion air pipe purification system

Heat supply and ventilation device of building system

A vertical type air conditioner and its air supply control method

Ventilation equipment for infectious disease ward

The utility model belongs to the field of medical instruments and equipment. The ventilation and air exchange equipment for the ward of the infectious disease department is disclosed. The device comprises an air inlet device and an exhaust device, the air inlet device comprises an air inlet pipe and an air inlet fan; the exhaust device comprises an exhaust pipe and an exhaust fan; flow adjusting mechanisms are arranged in the air inlet pipe and the air outlet pipe; the flow adjusting mechanism comprises a spherical shell communicated with the exhaust pipe or the air inlet pipe. An adjusting ball is arranged in the spherical shell, the outer wall of the adjusting ball is attached to the inner wall of the spherical shell, a radial channel capable of being communicated with the air inlet pipeor the exhaust pipe is formed in the adjusting ball, an adjusting channel communicated with the interior of the spherical shell is further fixed to the spherical shell, and a transmission shaft fixedto ...

Adjusting device and adjusting method for synthetic biology laboratory environment

The invention discloses a synthetic biology laboratory environment adjusting device and adjusting method.The synthetic biology laboratory environment adjusting device comprises an adjusting shell used for containing and installing an air treatment device, and a purification assembly arranged in the adjusting shell and used for purifying the air treatment device; wherein the purification assembly comprises a temperature sensor, a dew point sensor, a differential pressure sensor, a humidity sensor, a static pressure sensor, an air speed sensor, a medium efficiency filter, an air conditioner air feeder section, a humidification section, an electric control valve, a hot water coil pipe, a surface cooling coil pipe and a primary efficiency filter, and a fresh air opening is formed in an adjusting shell. By adopting the purification assembly, the space environment of the clean area and the operation state of experimental equipment can be comprehensively considered, so that the safety of experimenters ...

Wall-mounted air conditioner indoor unit and control method thereof

The invention provides a wall-mounted air conditioner indoor unit and a control method thereof. The wall-mounted air conditioner indoor unit comprises a shell, a fan and a plurality of air deflectors. An air outlet is formed in the lower portion of the front side of the shell. The fan is arranged in the shell and used for blowing the adjusting airflow in the shell out of the air outlet. The multiple air deflectors are rotatably installed on the shell, and the rotating axes of the air deflectors are parallel to the transverse direction of the shell. The control method comprises the steps that the current distance between a human body and the wall-mounted air conditioner indoor unit is obtained; judging the distance interval of the current distance, and adjusting the rotating speed level of the fan according to the distance interval; and the sub-interval where the current distance is located in the distance interval is judged, and the opening number of the air deflectors is adjusted according ...

Refrigeration method of refrigeration equipment

The invention provides a refrigeration method of refrigeration equipment, which comprises the following steps: after a refrigeration instruction is obtained, starting a compressor and detecting the input voltage and environment temperature of the compressor, if the input voltage of the compressor is less than or equal to preset voltage and the environment temperature is more than or equal to preset environment temperature, controlling a first air door to open and controlling a second air door to close; and after the temperature in the first refrigeration chamber reaches the preset temperature of the first refrigeration chamber, the first air door is controlled to be closed, and the second air door is controlled to be opened. The refrigerating chambers are sequentially refrigerated under the conditions of low voltage and high environment temperature, and the load of the compressor can be reduced.

Fresh air gear adjusting method and device, equipment, storage medium and program product

The invention relates to a fresh air gear adjusting method and device, equipment, a storage medium and a program product. The fresh air gear adjusting method comprises the steps that gas concentration information and time information of an indoor space where fresh air equipment is located are determined; determining a first target gas concentration interval to which the gas concentration information belongs and a first target time interval to which the time information belongs; determining a target fresh air gear in a first fresh air gear setting table according to the first target gas concentration interval and the first target time interval, wherein the first fresh air gear setting table comprises a plurality of gas concentration intervals, a plurality of first time intervals and a corresponding relationship among the plurality of fresh air gears; and the target fresh air gear is sent to the fresh air equipment, so that the fresh air equipment operates according to the target fresh air ...

Device and method for solving overheating of upper space of tall building in winter through self-circulation

The invention discloses a self-circulation device and method for solving overheating of upper space of a tall building in winter, and relates to the field of heating ventilation air conditioners. The device comprises an upper unit and a lower unit, an air return section, an evaporation section and an air supply section which are sequentially communicated are arranged in the upper unit, an evaporator and a first fan are arranged in the evaporation section and the air supply section respectively, and the air return section and the air supply section are connected with an air return pipe and an air supply pipe respectively; a fresh air section, a compression section, a heating section and an air outlet section which are sequentially communicated are arranged in the lower unit, a compressor, a condenser and a second fan are respectively arranged in the compression section, the heating section and the air outlet section, and the fresh air section and the air outlet section are respectively connected ...

Constant air volume control system of damper

Load management aware fan control

A fan-control device for overriding normal operation of a circulation fan delivering conditioned air through ductwork in an unconditioned space. The fan-control device includes a detection circuit and a fan relay. The detection circuit is configured to detect a cooling system control voltage and a cooling system control current and to output a fan control override signal when the cooling system control voltage is detected and the cooling system control current is absent.

Fan control device for a heating or cooling system

A fan controller device runs the cooling and heating system fan in between cycles, thus maintaining all rooms of a building at a more even temperature. The fan controller device includes a plurality of sensors, a timing controller device operatively connected to the plurality of sensors, and a fan relay device operatively connected to the timing controller device. The fan controller device is adapted to be connected to a thermostat on a heating and air conditioning system.

Ventilator units, methods for providing ventilation in response to humidity levels, and wall units

Ventilator units, and methods for their use, are provided. Each of the ventilator units comprises a first flexible film, a second flexible film disposed opposite the first flexible film and attached to the first flexible film at at least two points, a first swellable portion attached to the first flexible film, and a second swellable portion attached to the second flexible film.

Method and system of ventilation for a healthy home configured for efficient energy usage and conservation of energy resources

A method for providing a ventilation control compliant with an adopted ventilation standard for efficient energy usage and conservation of energy resources. The method includes operating a home energy system to generate solar energy within a daily active period and draw ambient fresh air, and setting a daily ventilation period as a fractional period of a day. The daily ventilation period is substantially coordinated with the daily active period during a heating/cooling period for the home. Additionally, the method includes determining a target volume in compliance with the adopted ventilation standard and determining a flow rate for delivering the fresh air during the daily ventilation period. Moreover, the method includes monitoring an accumulated total ventilation volume of the delivered fresh air until the accumulated total ventilation volume is within a vicinity of a target volume.

Vapor mitigation system, vapor mitigation controller and methods of controlling vapors

A vapor mitigation system includes at least one vacuum pipe constructed and arranged to collect vapors beneath the floor of a building and to vent the vapors and a blower coupled to the at least one vacuum pipe. The blower is constructed and arranged to create a vacuum under the floor of the building. The vapor mitigation system further includes a controller configured to dynamically control a level of power supplied to the blower. The controller adjusts the level of power supplied to the blower in response to one or more environmental measurements.

Air Change Rate Measurement and Control

A method for controlling a system includes receiving temperature and humidity measurements of supply air to a serviced space, return air from the serviced space, and outside air, wherein the outside air includes air outside the serviced space, calculating a volumetric flow rate of the outside air entering the system using the received temperature and humidity measurements of the supply air, the return air, and the outside air, calculating an air change per hour (ACH) rate in the serviced space using the calculated volumetric flow rate of the air outside the serviced space entering the system and the volume of the serviced space, and controlling the ACH rate in the serviced space.

Fan array fan section in air-handling systems

A fan array fan section in an air-handling system includes a plurality of fan units arranged in a fan array and positioned within an air-handling compartment. One preferred embodiment may include an array controller programmed to operate the plurality of fan units at peak efficiency. The plurality of fan units may be arranged in a true array configuration, a spaced pattern array configuration, a checker board array configuration, rows slightly offset array configuration, columns slightly offset array configuration, or a staggered array configuration.

Humidity controlling ventilator

A humidity controlling ventilator includes: an air flow rate calculator configured to calculate an air volume flow rate of an air blowing fan based on a specific volume of air located downstream of an adsorption heat exchanger and an air mass flow rate of the air blowing fan; and an air blow controller configured to control the air blowing fan such that the air volume flow rate calculated by the air flow rate calculator approaches a predetermined target air volume flow rate.

Device and method for controlling opening of a valve in an hvac system

For controlling the opening of a valve ( 10 ) in an HVAC system ( 100 ) to regulate the flow φ of a fluid through a thermal energy exchanger ( 2 ) of the HVAC system ( 100 ) and adjust the amount of energy E exchanged by the thermal energy exchanger ( 2 ), an energy-per-flow gradient (A) is determined, and the opening of the valve ( 10 ) is controlled depending on the energy-per-flow gradient (A). The energy-per-flow gradient (A) is determined by measuring at consecutive points in time the flow φ 1 , φ 2 through the valve ( 10 ), by determining the amounts of energy E 1 , E 2 exchanged by the thermal energy exchanger ( 2 ) at these points in time, and by calculating the energy-per-flow gradient (B) from the flow φ 1 , φ 2 and exchanged energy E 1 , E 2 . The energy-per-flow gradient (A) can be determined dynamically and is used as a basis for setting a slope threshold for the thermal energy exchanger ( 2 ) so that there is no need to store fixed threshold values.  E  ϕ ( A )  E  ϕ = E 2 - E 1 ϕ 2 - ϕ 1 ( B )

NEW FAN AND ANTI-COLD AIR CONTROL METHOD AND APPARATUS THEREFOR

A new fan and an anti-cold air control method and apparatus therefor, the method comprising the following steps: during the process of a new fan switching from a heating mode to a cooling mode, acquiring in real time the set temperature and air supply temperature of the new fan and the middle-portion temperature of the indoor heat exchanger of the new fan (S); acquiring the current output wind speed and the set wind speed of the new fan (S); and adjusting the output wind speed of the new fan on the basis of the set temperature, the air supply temperature, the middle-portion temperature of the indoor heat exchanger, the current output wind speed, and the set wind speed (S). 1. An anti-cold-air control method for a fresh air machine , comprising:during a process of switching the fresh air machine from a heating mode to a refrigeration mode, obtaining, in real time, a set temperature and a delivery air temperature of the fresh air machine, and an external temperature of an indoor heat exchanger of the fresh air machine;obtaining a current outlet wind speed and a set wind speed of the fresh air machine; andadjusting an outlet wind speed of the fresh air machine based on the set temperature, the delivery air temperature, the external temperature of the indoor heat exchanger, the current outlet wind speed and the set wind speed.2. The anti-cold-air control method of claim 1 , wherein adjusting the outlet wind speed of the fresh air machine based on the set temperature claim 1 , the delivery air temperature claim 1 , the external temperature of the indoor heat exchanger claim 1 , the current outlet wind speed and the set wind speed comprises:determining whether a maximum value of the delivery air temperature and the external temperature of the indoor heat exchanger is greater than a first preset temperature value in response to determining that the current outlet wind speed of the fresh air machine is zero;adjusting the outlet wind speed of the fresh air machine to a first ...

Indoor lighting and climate system

This invention relates to an indoor lighting and climate system, comprising a plurality of lighting units ( 1 ) arranged in a dispersed manner in a room ( 2 ) and a control unit ( 3 ) arranged to control the operation of the lighting units ( 1 ) in relation to pre-set climate settings and input signals from at least one temperature sensor ( 4 ), wherein each of said 5 lighting units ( 1 ) include a cup shaped housing ( 100 ) with an opening ( 101 ), a lamp attachment ( 102 ) for a lamp ( 103 ), an open inside space ( 105 ) between said lamp ( 103 ) and said cup shaped housing ( 100 ), and a fan ( 104 ) arranged to produce a forced air flow ( 2 ) in said space ( 105 ), characterized in that a circumferentially extending inner dividing wall member ( 107 ) is arranged within said cup shaped housing ( 100 ), which 10 circumferentially extending dividing wall ( 107 ) separates said open inside space ( 105 ) from a heat flow channel ( 106 ) arranged within said cup shaped housing ( 100 ).

Air Vent Controller

Methods, systems, and apparatus for controlling an air flow are described. A monitor obtains an environmental parameter and an air deflector controls the air flow exiting an air duct. An air deflector actuator configures the air deflector, the configuration of the air deflector being based on the environmental parameter. 1. An apparatus for controlling air flow , the apparatus comprising:a monitor for obtaining an environmental parameter;an air deflector configured for controlling a direction of air flow exiting an air duct; andan air deflector actuator for configuring the air deflector, the configuration of the air deflector being based on the environmental parameter.2. The apparatus of claim 1 , wherein the environmental parameter characterizes an environmental condition claim 1 , the environmental condition being one of an ambient temperature claim 1 , a change in temperature claim 1 , a surface temperature of an object claim 1 , a level of humidity claim 1 , an amount of light claim 1 , a count of occupants claim 1 , a detection of a presence of a person claim 1 , a detection of a transit of a person claim 1 , a location of a person claim 1 , an activity of a person claim 1 , a time of day claim 1 , a season claim 1 , a weather forecast claim 1 , and an amount of sunlight.3. The apparatus of claim 1 , wherein the environmental parameter characterizes a weather forecast and is indicative of an external temperature claim 1 , a solar exposure claim 1 , or a humidity level.4. The apparatus of claim 1 , wherein the air deflector is configured in anticipation of a change in temperature or humidity level based on a season or a weather forecast.5. The apparatus of claim 1 , wherein the air deflector comprises one or more fins and wherein each fin may have a fixed location claim 1 , a configurable location claim 1 , a fixed orientation claim 1 , a configurable orientation claim 1 , or a combination thereof.6. The apparatus of claim 1 , wherein the air deflector actuator ...

HVAC UNIT FAN CONTROL SYSTEMS AND METHODS

The present disclosure relates to a heating, ventilating, and air conditioning (HVAC) unit configured to supply conditioned air to a conditioned space. The HVAC unit includes a first exhaust fan capable of operating at variable speeds and a second constant-speed fan. The HVAC unit also includes a controller configured to determine a target airflow to be provided to the conditioned space, cause actuation of the first exhaust fan at a variable fan speed when the target airflow is greater than zero, and cause actuation of the second exhaust fan when the target airflow is greater than an airflow threshold. 126-. (canceled)27. A heating , ventilating , and air conditioning (HVAC) system , comprising:a variable-speed exhaust fan configured to discharge air from the HVAC system;a constant-speed exhaust fan configured to discharge air from the HVAC system; and receive data from a pressure sensor indicative of an air pressure within a conditioned space serviced by the HVAC system;', 'receive an air pressure setpoint associated with the conditioned space; and', 'modulate the variable-speed exhaust fan and control supply of electrical power to constant-speed exhaust fan based on a difference between the air pressure and the air pressure setpoint., 'a controller configured to28. The HVAC system of claim 27 , wherein the controller is configured to modulate the variable-speed exhaust fan and interrupt the supply of electrical power to the constant-speed exhaust fan based on a determination that the air pressure deviates from the air pressure setpoint by a first amount.29. The HVAC system of claim 28 , wherein the controller is configured to modulate the variable-speed exhaust fan and enable the supply of electrical power to the constant-speed exhaust fan based on a determination that the air pressure deviates from the air pressure setpoint by a second amount claim 28 , wherein the second amount is greater than the first amount.30. The HVAC system of claim 27 , comprising a ...

AIR CONDITIONER

An air conditioner includes a discharge blade configured to move between a guide position at which a direction of air blown from a blower fan and discharged to an outlet is controlled, and a closing position at which the outlet is closed, wherein the discharge blade includes a plurality of blade holes through which the air is discharged through the discharge blade at the closing position, wherein the discharge blade moves between the guide position and the closing position and controls an air flow from the blower fan to a discharge plate or the outlet. Through this configuration, an air flow discharged to the outside of the housing can be controlled by operation of the discharge blade. 1a housing including a front frame and an outlet;a discharge plate having a plurality of holes formed therein, and coupled with the front frame;a heat exchanger disposed inside the housing;a blower fan configured to blow air heat-exchanged by the heat exchanger toward the discharge plate or the outlet; anda discharge blade configured to move between a guide position at which a direction of the air blown from the blower fan and discharged to the outlet is controlled, and a closing position at which the outlet is closed and the discharge blade is substantially flush with the discharge plate,wherein the discharge blade includes a blade body rotatably disposed in the outlet, anda plurality of blade holes formed in the blade body so as to discharge air passing through the discharge blade,wherein air is discharged from the plurality of blade holes and the plurality of holes of the discharge plate when the discharge blade is in the closed position,wherein the blade body is configured to block an air flow moving toward the discharge plate when the discharge blade is at the guide position, andwherein the discharge plate is detachable from the front frame with the discharge blade engaged with the discharge plate.. An indoor unit of an air conditioner comprising: This application is a ...

Air conditioner with condensation drain assembly and improved filter rack

A condensate drain assembly includes a drain pan configured to receive condensate from an evaporator coil of an air conditioning system. The drain pan is configured to be removed from the air conditioning system. The condensate drain assembly also includes a drainage pipe configured to translate the condensate from the drain pan to a drain located beneath the air conditioning system and a drain pan end cap. The drain pan end cap includes a first aperture configured to drain the condensate from the drain pan and a second aperture configured to align with the drainage pipe.

VENTILATION SYSTEM AND METHOD FOR KILLING AIRBORNE INFECTIOUS BACTERIA, VIRUSES AND OTHER PATHOGENS

A ventilation system is provided, the ventilation system comprising at least one air flow generating device, the at least one air flow generating device having a calibrated speed to produce a downward air flow capable of forcing a cloud of infectious bacterial, viral or pathogen particles or droplets out of an ingestion zone of a mouth, a nose and eyes of an individual, at least one ultraviolet C light lamp positioned in a pathway of the air flow, the air flow containing the cloud of infectious bacterial, viral or pathogen particles or droplets, an ultraviolet C radiation field created by the at least one ultraviolet C light lamp, the air flow containing the cloud of infectious bacterial, viral or pathogen particles or droplets passing through the ultraviolet C radiation field, wherein the at least one air flow generating device is positioned to enable an upward air flow return to the at least one air flow generating device to force the air flow and the cloud of infectious bacterial, viral or pathogen particles or droplets out of an area and through the ultraviolet C radiation field to eradicate the infectious bacteria, virus and pathogens from the air flow, and wherein a fresh air flow free of infectious bacteria, viruses and pathogens is reintroduced back into the area by the downward air flow of the at least one air flow generating device. 1. A ventilation system comprising:at least one air flow generating device, said at least one air flow generating device having a calibrated speed to produce a downward air flow capable of forcing a cloud of infectious bacterial, viral or pathogen particles or droplets out of an ingestion zone of a mouth, a nose and eyes of an individual;at least one ultraviolet C light lamp positioned in a pathway of the air flow, the air flow containing said cloud of infectious bacterial, viral or pathogen particles or droplets;an ultraviolet C radiation field created by said at least one ultraviolet C light lamp, the air flow containing said ...

SENSOR NETWORK FOR VALIDATION OF HEALTHY BUILDINGS AND TRANSPORTATION SYSTEMS

Systems and methods are disclosed for air flow optimization. In certain embodiments, the technology is a system comprising sensors, injectors, actuators, and a system processor. In order to optimize the air flow, the system processor directs the injectors to expel aerosol particles into an environment, such that the aerosol particles can be measured by the one or more sensors. Flow intensity map generation is then used to map the aerosol particles and air flow is changed to optimize aerosol particle concentration using the actuators. 1. A system for air flow optimization comprising:one or more injectors configured to expel aerosol particles into an environment;one or more sensor assemblies, each having a sensor processor and one or more sensors configured to detect aerosol particles in the environment, wherein the sensor processor converts detected aerosol particle data from the sensor to sensed concentration data; anda system processor that receives the sensed concentration data from the sensor processor, wherein the system processor operates the injectors in real-time to expel aerosol particles into an environment in response to the sensed concentration data and performs flow intensity map generation to map the aerosol particles.2. The system of claim 1 , wherein said system processor operates the injectors to turn ON claim 1 , turn OFF claim 1 , adjust concentration claim 1 , and/or adjust velocity to simulate events and dynamically determine an impact of those events.3. The system of claim 1 , wherein said sensor processor operates the injectors independent of the system processor.4. The system of claim 1 , wherein air flow is changed to optimize aerosol particle concentration using one or more actuators.5. The system of claim 1 , wherein feedback from the actuators is collected by the system processor.6. The system of claim 5 , wherein the feedback from the actuators is used by the system processor to modulate a quantity of the aerosol particles expelled by the ...

Air conditioner

Disclosed herein is an air conditioner. The air conditioner includes a housing having an inlet port, a heat exchanger configured to exchange heat with air flowing in through the inlet port, a blowing unit configured to circulate air into or out of the housing, and a discharge unit rotatably provided relative to the housing, the discharge unit having a first outlet port formed in a portion of the outer circumferential surface to discharge the heat-exchanged air and a second outlet port formed in another portion of the outer circumferential surface to discharge the heat-exchanged air at different speed from the air discharged from the first outlet port.

Hrv/erv with improved air flow balancing and method of operating the same

A heat and energy recovery ventilation unit for a building, having an inside and an outside. The unit including a main body having a fresh air inlet and an indoor air outlet on one side and a fresh air outlet and an indoor air inlet on the other side and having an air to air heat exchanger within the main body and connected to each of said inlets and outlets to define respective air flow passageways for each of said indoor air and said fresh air, the heat exchanger permitting heat and energy exchange between said indoor air and said fresh air. Also included is a first variable speed blower and a second variable speed blower and at least one electronic air flow sensor to measure at least one of the air flows the air flow sensor producing at least one electronic signal related to the sensed air flow. Also included is a controller for receiving the data signal, the controller using the data signal to control at least one of the variable speed blowers to provide a balanced fresh air inflow and indoor air outflow through the ventilation unit. A method of operating the unit is also disclosed.

MOTOR DRIVING DEVICE AND AIR CONDITIONER

A motor driving device that is a device for driving a motor including stator windings, includes: a connection switching unit that includes relays as mechanical switches connected to the stator windings and excitation coils opening or closing the relays by being energized or non-energized with excitation current and switches connection condition of the stator windings to either of first connection condition (star connection) and second connection condition (delta connection) different from the first connection condition by opening or closing the relays; and an inverter that supplies AC drive voltages to the stator windings. 1. A motor driving device for driving a motor including stator windings , comprising:a connection switching unit that includes a mechanical switch connected to the stator windings and an excitation coil opening or closing the mechanical switch by being energized or non-energized with excitation current and switches connection condition of the stator windings to either of star connection and delta connection by opening or closing the mechanical switch; andan inverter that supplies AC drive voltages to the stator windings, wherein the stator windings include a first open winding, a second open winding and a third open winding,the first open winding has a first winding terminal connected to the inverter and a second winding terminal connected to the connection switching unit,the second open winding has a third winding terminal connected to the inverter and a fourth winding terminal connected to the connection switching unit,the third open winding has a fifth winding terminal connected to the inverter and a sixth winding terminal connected to the connection switching unit, andthe connection switching unitswitches the connection condition of the stator windings to the star connection by connecting the second winding terminal of the first open winding, the fourth winding terminal of the second open winding and the sixth winding terminal of the third ...

SYSTEMS AND METHODS FOR ENERGY SAVINGS IN BUILDINGS

The disclosure includes a method comprising determining that solar heat gain exists in trapped air between a window shade and a window and opening a controllable damper to exhaust the trapped air. The method may also include obtaining occupancy data about an occupant based on at least one of a home automation system or a security system. The method may also include forecasting, using a sky camera and historical sky conditions, sky conditions associated with a building; and determining, based on the forecasted sky conditions, a setting for at least one of a lighting system or an HVAC system associated with the building. The method may also include changing a timing of an automation routine for adjusting window shades to minimize an impact on peak demand energy usage. 1. A method comprising:determining, by a processor, that solar heat gain exists in trapped air between a window shade and a window; andopening, by the processor, a controllable damper to exhaust the trapped air.2. The method of claim 1 , wherein the controllable damper allows the trapped air to exit through at least one of a pocket or cassette.3. The method of claim 1 , wherein the controllable damper allows the trapped air to exit into a plenum.4. The method of claim 1 , wherein the controllable damper allows the trapped air to exit from a building.5. The method of claim 1 , wherein the controllable damper leads to at least one of a ventilation line claim 1 , an (air handling unit (AHU) return claim 1 , an AHU shade return or a curtainwall.6. The method of claim 1 , wherein the controllable damper leads to a ventilation line that includes at least one of an antimicrobial or antiviral treatment.7. The method of claim 1 , further comprising opening claim 1 , by the processor claim 1 , a second controllable damper that allows the trapped air to mix with fresh air.8. The method of claim 1 , wherein the opening the controllable damper to exhaust the trapped air includes exhausting the trapped air back into a ...

AIR CONDITIONER CONTROL METHOD AND DEVICE, AND COMPUTER STORAGE MEDIUM

The present invention discloses a method and an apparatus for controlling an air conditioner, and a computer storage medium, and relates to the technical field of intelligent household appliances. The method includes acquiring a current physical characteristic parameter of an air conditioner user in a current sampling timeframe; and adjusting either or both of a current set temperature and a current compressor frequency of the air conditioner according to the current physical characteristic parameter and current energy consumption of the air conditioner when the current physical characteristic parameter falls within a set range of parameters in sleep. Therefore, energy conservation and a comfortable user experience are compatible, thereby providing more functions for the control of the air conditioner in the sleep mode. 1. A method for controlling an air conditioner , comprising:acquiring a current physical characteristic parameter of an air conditioner user in a current sampling timeframe; andadjusting either or both of a current set temperature and a current compressor frequency of the air conditioner according to the current physical characteristic parameter and current energy consumption of the air conditioner when the current physical characteristic parameter falls within a set range of parameters in sleep.2. The method according to claim 1 , wherein the step of adjusting either or both of the current set temperature and the current compressor frequency of the air conditioner comprises:determining a current first physical characteristic coefficient and a current first energy consumption coefficient which respectively correspond to the current physical characteristic parameter and the current energy consumption in a selected current sleep control strategy; {'br': None, 'i': Tc', 'U+ct*W, '=To−(at*)\u2003\u2003(1)'}, 'determining and storing the current set temperature of the air conditioner according to the current first physical characteristic coefficient, the ...

DUAL INLET AIR DIFFUSER

Dual inlet air diffuser for a heating ventilation and air conditioning (HVAC) system. The dual inlet air diffuser mixes two or more separate and/or distinct air streams into a homogenous or nearly homogenous mixture of air. The two or more separate air streams may have different temperatures and/or different humidity levels, and/or may be from different sources, such as having one air stream comprising ventilation air that includes filtered air from an outside, ambient air source and a second conditioned air stream from a heating, air conditioning, or other air treatment unit. 1. An HVAC system , the system comprising:an air inlet to an HVAC system, wherein the inlet provides the HVAC system with ventilation air comprising filtered air, and wherein the HVAC system comprises a plurality of ducts to provide air to a plurality of distinct spaces inside a building, and wherein the plurality of ducts comprises a first duct adapted to carry the ventilation air and a second duct adapted to carry conditioned air that has been heated or cooled, wherein each of the ducts has a terminal end, and wherein the terminal end of the first duct is located closer to a vent adapted to provide air to one of the spaces than the terminal end of the second duct.2. The HVAC system according to claim 1 , wherein both the terminal end of the first duct and the terminal end of the second duct are located in a diffuser.3. The HVAC system according to wherein the diffuser defines an expanding cross-sectional area from a top portion to a bottom portion.4. The HVAC system according to wherein the diffuser is adapted to blend the ventilation air and the conditioned air that has been heated or cooled.5. The HVAC system according to claim 1 , further comprising a plurality of distinct spaces claim 1 , with each of the distinct spaces having a diffuser claim 1 , wherein the diffuser has both the terminal end of the first duct and the terminal end of the second duct located therein claim 1 , and ...

AIR-CONDITIONING SYSTEM

An air-conditioning system includes two or more air-conditioning devices A, each of which in turn includes a fan adapted to adjust a volume of air blown out into a space to be air-conditioned, an airflow direction adjuster adapted to adjust an airflow direction of outlet air blown out by the fan, a human detection sensor adapted to detect human presence, an inlet air temperature sensor adapted to detect temperature of inlet air sucked in by the fan, a position setting device used to set an installation location of each of the air-conditioning devices, and a controller, in which a positional relationship with an adjacent air-conditioning device is calculated based on data from the position setting device and furthermore a human detection area overlap with the adjacent air-conditioning device is calculated. 1. An air-conditioning system comprising two or more air-conditioning devices , a fan configured to adjust a volume of air blown out into a space to be air-conditioned,', 'a human detection sensor configured to detect human presence,', 'a position setting device used to set an installation location of each of the air-conditioning devices, and', 'a controller configured to control the fan;, 'each of the air-conditioning devices including'}the controller being configured to calculate a positional relationship with an adjacent air-conditioning device based on input signal data from the position setting device and calculate a human detection area overlap based on a human detection area of the human detection sensor in the adjacent air-conditioning device,the air-conditioning system being configured to follow rule 1 where it is stipulated that any air-conditioning device that detects a person outside the human detection area overlap between human detection sensors does not reduce an own outlet air volume.2. The air-conditioning system of claim 5 , wherein the controller of the air-conditioning device is configured to automatically make settings of an airflow direction ...

VENTILATION SYSTEM, AIR-CONDITIONING SYSTEM, AND METHOD OF INSTALLING AIR-CONDITIONING SYSTEM

A first air-supply port and a first air-exhaust port each disposed in a first zone and used to ventilate the first zone are provided. Further, a second air-supply port and a second air-exhaust port each disposed in a second zone and used to ventilate the second zone are provided, and the second zone is adjacent to the first zone. The first air-supply port, the first air-exhaust port, the second air-supply port, and the second air-exhaust port are disposed on one plane. The first air-supply port, the first air-exhaust port, the second air-supply port, and the second air-exhaust port are disposed in order of the first air-exhaust port, the first air-supply port, the second air-supply port, and the second air-exhaust port in one direction, or in order of the first air-supply port, the first air-exhaust port, the second air-exhaust port, and the second air-supply port in one direction. 1. A ventilation system , comprising:a first air-supply port and a first air-exhaust port each disposed in a first zone and used to ventilate the first zone; anda second air-supply port and a second air-exhaust port each disposed in a second zone and used to ventilate the second zone, the second zone being adjacent to the first zone, whereinthe first air-supply port, the first air-exhaust port, the second air-supply port, and the second air-exhaust port are disposed on one plane, andthe first air-supply port, the first air-exhaust port, the second air-supply port, and the second air-exhaust port are disposedin order of the first air-exhaust port, the first air-supply port, the second air-supply port, and the second air-exhaust port in one direction, orin order of the first air-supply port, the first air-exhaust port, the second air-exhaust port, and the second air-supply port in one direction.2. The ventilation system of claim 1 , whereina distance between the first air-supply port and the first air-exhaust port is shorter than a distance between the first air-supply port and the second ...

TEMPERATURE CONTROL VALVE

The present disclosure relates to a heating, ventilation, and air conditioning (HVAC) system that includes a heat exchanger configured to circulate a working fluid therethrough, a valve configured to regulate a flow rate of the working fluid through the heat exchanger, and a valve controller configured to modify a valve position control signal received from an external controller, separate from the valve controller, based on a temperature differential of the working fluid entering and exiting the heat exchanger. 120-. (canceled)21. A control system for a heating , ventilation , and air conditioning (HVAC) component , comprising:an actuator configured to drive operation of the HVAC component;a controller comprising programmable processing circuitry configured to execute instructions for operating the actuator based on an input signal received by the controller; anda chassis of the HVAC component, wherein the actuator and the controller are packaged within the chassis.22. The control system of claim 21 , wherein the controller is configured to receive the instructions from a remote server.23. The control system of claim 21 , wherein the programmable processing circuitry comprises one or more field programmable gate arrays (FPGAs).24. The control system of claim 21 , comprising a sensor of the HVAC component claim 21 , wherein the input signal comprises feedback received from the sensor.25. The control system of claim 24 , wherein the actuator comprises a brushless direct current (BLDC) motor claim 24 , and wherein the sensor comprises:a position sensor configured to provide the feedback, wherein the feedback is indicative of a position of the BLDC motor; ora current sensor configured to provide the feedback, wherein the feedback is indicative of an electric current supplied to the BLDC motor.26. The control system of claim 21 , comprising one or more sensors of an HVAC system having the HVAC component claim 21 , wherein the input signal comprises feedback received ...

SYSTEM AND METHOD FOR MONITORING AIR QUALITY WHILE COOLING AN OUTDOOR ELECTRONIC DISPLAY ASSEMBLY

A system and method for monitoring air quality is disclosed. A housing for an electronic display has a first pathway which extends between an ingestion area and an exhaustion area. An air quality monitoring device is located along said pathway and has one or more sensors that measure the concentration of various gases. The air quality monitoring device has a housing with a second pathway which connects an entrance aperture to exit aperture. The entrance aperture being configured to permit a portion of the ambient air in the first pathway to enter the second pathway. 1. An apparatus for monitoring air quality comprising:a first housing for an electronic display, said first housing having an ingestion area and an exhaustion area;a first pathway for ambient air extending between said ingestion area and said exhaustion area; and a second housing;', 'an entrance aperture located in the second housing;', 'an exit aperture located in the second housing;', 'a second pathway extending between said entrance aperture and said exit aperture, wherein the entrance aperture is configured to permit a portion of the ambient air in the first pathway to exit the first pathway and enter the second pathway; and', 'one or more sensors located within the second housing and configured to measure the concentration of various compounds in portions of the ambient air in the second pathway., 'an air quality monitoring device located along said pathway and comprising2. The apparatus of further comprising:a power supply electrically connected to the air quality monitoring device and the electronic display; anda network connectivity device in electronic communication with the electronic display and the air quality monitoring device.3. The apparatus of wherein:said air quality monitoring device comprises one or more access apertures sized to accept power lines and networking cables.4. The apparatus of wherein:said air quality monitoring device comprises an airflow disruption device located along ...

ADJUSTABLE ADJUSTER FROM A FIRST END AND A SECOND END OF THE ADJUSTER

An adjustment device designed to adjust a flow rate of a fluid flowing in a duct, including a body in which an adjustment valve is mounted, movable in rotation about an adjustment axis, the body having an area upstream of the adjustment axis and a downstream area opposite to the upstream area with respect to the adjustment axis, where the adjustment axis is equipped with connecting means which cooperate with at least one first control member positioned in the downstream area and a second control member positioned in the upstream area. 1. An adjustment device designed to adjust a flow rate of a fluid flowing in a duct , comprising a body in which an adjustment valve is mounted , movable in rotation about an adjustment axis , said body comprising an area upstream of the adjustment axis and a downstream area opposite to the upstream area with respect to the adjustment axis , wherein the adjustment axis is equipped with connecting means which cooperate with at least one first control member positioned in the downstream area and a second control member positioned in the upstream area.2. The adjustment device according to claim 1 , wherein the connecting means comprise at least one drive element configured so as to drive in rotation the adjustment axis.3. The adjustment device according to claim 2 , wherein the at least one drive element comprises notches.4. The adjustment device according to claim 1 , wherein each of the at least one first control member and the second control member comprises a complementary drive element configured to cooperate with the drive element.5. The adjustment device according to claim 4 , wherein the complementary drive element of the first control member is connected with the complementary drive element of the second control member.6. The adjustment device according to claim 4 , wherein the complementary drive element of the first control member and/or of the second control member comprises a helical spline.7. The adjustment device according ...

AIR-CONDITIONING APPARATUS AND AIR HANDLING UNIT

An air-conditioning apparatus includes a heat source side unit configured to heat or cool a heat medium used as a heat-conveying medium, an air handling side heat exchanger that exchanges heat between outside air that is sent into a building and the heat medium, and an indoor side heat exchanger that exchanges heat between indoor air and the heat medium. The heat source side unit, the air handling side heat exchanger, and the indoor side heat exchanger are connected by piping to each other to form a heat medium cycle circuit through which the heat medium circulates. In the heat medium cycle circuit, a portion of the heat medium heated or cooled by the heat source side unit flows into the indoor side heat exchanger after having passed through the air handling side heat exchanger. 1. An air-conditioning apparatus , comprising:a heat source side unit configured to heat or cool a heat medium used as a heat-conveying medium;an air handling side heat exchanger that exchanges heat between outside air that is sent into a building and the heat medium; andan indoor side heat exchanger that exchanges heat between indoor air and the heat medium,the heat source side unit, the air handling side heat exchanger, and the indoor side heat exchanger being connected by piping to each other to form a heat medium cycle circuit through which the heat medium circulates,in the heat medium cycle circuit, a portion of the heat medium heated or cooled by the heat source side unit flowing into the indoor side heat exchanger after having passed through the air handling side heat exchanger,the heat medium cycle circuit being provided with an air handling side flow rate control device configured to adjust a flow rate of the heat medium that passes through the air handling side heat exchanger.2. The air-conditioning apparatus of claim 1 , whereinanother portion of the heat medium heated or cooled by the heat source side unit flows into the indoor side heat exchanger without passing through the air ...

INTERFACE FOR A PLENUM FAN

Embodiments of the present disclosure are directed to an interface for a fan that includes a first bracket coupled to the fan, where the fan is configured to direct a flow of air through an opening of a duct, and the opening comprises a central axis extending therethrough, a second bracket coupled to a frame surrounding the opening of the duct, where the first bracket and the second bracket are configured to surround the opening of the duct, the second bracket is configured to support the first bracket, and the second bracket is partially radially within the first bracket relative to the central axis of the opening, and a gasket disposed between the first bracket and the second bracket, where the first bracket, the second bracket, and the gasket are configured to sealingly engage with one another without mechanical securement. 1. An interface for a fan , comprising:a first bracket coupled to the fan, wherein the fan is configured to direct a flow of air through an opening of a duct, and the opening comprises a central axis extending therethrough;a second bracket coupled to a frame surrounding the opening of the duct, wherein the first bracket and the second bracket are configured to surround the opening of the duct, the second bracket is configured to support the first bracket, and the second bracket is partially radially within the first bracket relative to the central axis of the opening; anda gasket disposed between the first bracket and the second bracket, wherein the first bracket, the second bracket, and the gasket are configured to sealingly engage with one another without mechanical securement.2. The interface of claim 1 , wherein the first bracket comprises a lip extending adjacent to at least a portion of the gasket along the central axis of the opening claim 1 , such that the lip is configured to block movement of the gasket with respect to the first bracket and the second bracket.3. The interface of claim 1 , wherein the fan comprises a plenum fan.4. The ...

INCREMENTAL ACTUATOR WITH FEEDBACK CONTROL

A system for controlling a flow rate through an HVAC component is provided. The system includes a controller communicably coupled with a potentiometer and an actuator configured to drive the HVAC component between multiple positions to affect the flow rate. The controller configured to determine an actuator position setpoint based on a flow rate setpoint, drive the actuator to the actuator position setpoint using a calculated travel period, and set a current actuator position based on a voltage signal received from the potentiometer upon stopping the actuator at an expiration of the calculated travel period. 1. A system for controlling a flow rate through an HVAC component , the system comprising: determine an actuator position setpoint based on a flow rate setpoint;', 'drive the actuator to the actuator position setpoint using a calculated travel period; and', 'set a current actuator position based on a voltage signal received from the potentiometer upon stopping the actuator at an expiration of the calculated travel period., 'a controller communicably coupled with a potentiometer and an actuator configured to drive the HVAC component between multiple positions to affect the flow rate, the controller configured to2. The system of claim 1 , wherein the flow rate setpoint is based on a zone temperature error.3. The system of claim 2 , further comprising a temperature sensor communicably coupled to the controller.4. The system of claim 3 , wherein the zone temperature error is based on a zone temperature setpoint and a zone temperature measurement from the temperature sensor.5. The system of claim 1 , wherein the potentiometer is coupled to a gear train of the actuator.6. The system of claim 1 , wherein the potentiometer is coupled to an external analog input of the actuator.7. The system of claim 1 , wherein the HVAC component is a damper.8. The system of claim 1 , wherein the HVAC component is a valve.9. The system of claim 1 , wherein setting the current actuator ...

FAN CONTROL APPARATUS AND FAN CONTROL METHOD

Provided is a fan control apparatus which includes: a first sensor; a second sensor; an RF fan; and a controller. The first sensor is provided in a first room, and is configured to acquire a measured value of at least one condition selected from conditions of atmospheric pressure, temperature, and humidity for the first room, the second sensor is provided in a second room adjacent to the first room, and is configured to acquire a measured value of the same condition as the at least one selected condition for the second room, the RF fan is placed at a boundary between the first and second rooms, and the controller is configured to control a rotational speed and rotational direction of the RF fan in such a manner that the measured values of the first and second sensors are the same. 1. A fan control apparatus comprising:a first sensor;a second sensor;an RF fan; anda controller, whereinthe first sensor is provided in a first room, and is configured to acquire a measured value of at least one condition selected from conditions of atmospheric pressure, temperature, and humidity for the first room,the second sensor is provided in a second room adjacent to the first room, and is configured to acquire a measured value of the same condition as the at least one selected condition for the second room,the RF fan is placed at a boundary between the first and second rooms, andthe controller is configured to control a rotational speed and rotational direction of the RF fan in such a manner that the measured values of the first and second sensors are the same.2. A fan control apparatus comprising:a first sensor;a second sensor;a third sensor;a first RF fan;a second RF fan; anda controller, whereinthe first sensor is provided in a first room, and is configured to acquire a measured value of at least one condition selected from conditions of atmospheric pressure, temperature, and humidity for the first room,the second sensor is provided in a second room adjacent to the first room, ...

Method and system for assessing metabolic rate and maintaining indoor air quality and efficient ventilation energy use with passive environmental sensors

An integrated method for assessing metabolic rate and maintaining indoor air quality and efficient ventilation energy use. A physical sensor assesses room occupancy. An actuated ventilation system is set to a constant CO2 level in a predetermined healthy range, where the actuated ventilation system includes a CO2 sensor. The actuated ventilation system sets a first air ventilation rate and the sensor measures a first CO2 level. The system determines whether CO2 level is in a healthy range, if not then the CO2 level is adjusted by setting a subsequent air ventilation rate. A subsequent CO2 level is measured. If the CO2 level is determined to meet a predetermined healthy range, then an assessment of change of air ventilation rate (Δ ACH) is determined. The determination of air change rate can be further augmented by a physical pressure based measurement. The overall metabolic rate is generated.

AIR CONDITIONING SYSTEM AND METHOD

Aspects of embodiments relate to an air conditioning system for generating a controlled environment in a room, the AC system comprising one or more processors and one or more memories to cause the system to perform the following: sensing one or more characteristics of a condition of a room; providing a sensor output which is descriptive of the one or more sensed characteristics of the room; analyzing the sensor output to yield an analysis result; and selectively controlling by a controller, based on the analysis result, for example, an output airstream velocity of the plurality of room blowers of the AC system which are arranged such that a lower plenum of the room is in parallel downstream fluid communication relative to the plurality of room blowers. 1. An air conditioning (AC) system for treating air and removing contaminants from a room having an upper and a lower plenum airspace , the AC system comprising:a controller;a plurality of room blowers that are selectively controllable by the controller;at least one filter which is arranged downstream and in fluid communication of a blowing direction of the plurality of room blowers; andat least one sensor that is operable to provide a sensor output descriptive of a room condition,wherein the controller receives the sensor output and selectively controls, based on the received sensor output, the plurality of room blowers such to obtain desired room blower output airstream characteristics.2. The AC system of claim 1 , wherein the at least one sensor is operable to detect presence of a person in the room and further operable to track movement of the person in the room.3. The AC system of claim 1 , wherein the at least one sensor is operable to provide a sensor output descriptive of a region of increased risk of contamination (IRC) in the lower airspace plenum.4. The AC system of claim 3 , wherein the controller controls an airstream velocity generated by the plurality of room blowers such to remove contaminants from the ...

ENVIRONMENTAL CONTROL SYSTEM AND ENVIRONMENTAL CONTROL METHOD

An environmental control system includes: a wind blower which blows wind toward a subject; and a control apparatus which obtains at least one time included in a scheduled wake-up time of the subject, a scheduled go-to-bed time of the subject, a sunrise time, and a sunset time, and switches control on the wind blower at the at least one time obtained. 1. An environmental control system , comprising:a wind blower which blows wind toward a subject; anda control apparatus which obtains at least one time included in a scheduled wake-up time of the subject, a scheduled go-to-bed time of the subject, a sunrise time, and a sunset time, and switches control on the wind blower at the at least one time obtained.2. The environmental control system according to claim 1 ,wherein the control apparatus:obtains the scheduled wake-up time, the scheduled go-to-bed time, and the sunset time;performs first control which makes a function of a sympathetic nervous system of the subject dominant over a function of a parasympathetic nervous system of the subject by changing a wind speed of the wind that is blown by the wind blower at a predetermined cycle during a period from the scheduled wake-up time to an earlier one of the scheduled go-to-bed time and the sunset time; andperforms second control which makes the function of the parasympathetic nervous system of the subject dominant over the function of the sympathetic nervous system of the subject by decreasing a wind speed of the wind that is blown by the wind blower to a wind speed lower than the wind speed in the first control, the second control being started at or after the earlier one of the scheduled go-to-bed time or the sunset time.3. The environmental control system according to claim 2 ,wherein the control apparatus fluctuates the wind speed of the wind that is blown by the wind blower at a time interval shorter than the predetermined cycle in the first control.4. The environmental control system according to claim 1 , further ...

ADAPTIVE VENTILATION SYSTEM

An adaptive ventilation system directs air within an environment. The system includes vents with flaps configured to be progressively actuated to redirect air from the vent into the environment at a different angle and speed. The vents each include a processing core and are in communication with a plurality of sensors and a central hub. At least one return is configured to control air flow from the environment into a return duct. The return includes a processing core and is in communication with a plurality of sensors and the central hub. 1. An adaptive ventilation system for directing air within at least one space in an environment comprising:at least one vent configured to control a volume and direction of air flow from a ventilation duct and into a zone within one of the spaces, each vent including a processing core and a plurality of flaps configured to be progressively opened by at least one actuator, wherein the flaps are curved to redirect air from said ventilation duct into one of the spaces in the environment at a different angle depending on a degree to which the flaps are progressively opened;at least one return configured to control a volume of air flow from one of the spaces into a return duct, each return including a processing core; anda plurality of sensors in electrical communication with the vents and returns,wherein:the at least one vent controls the volume and direction of air flow between a ventilation duct and a zone within one of the spaces based on data from the sensors; andthe at least one return controls the volume of air flow from one of the spaces into the return duct based on data from the sensors.2. The system of claim 1 , wherein each vent includes a gate configured to be progressively opened by at least one actuator to control a volume of air from a ventilation duct into said vent.3. An adaptive ventilation system for directing air within at least one space in an environment comprising:at least one vent, each vent including a ...

Make-up air system and method

Embodiments of the invention provide a system capable of reducing negative pressure. The system includes a make-up air system that can be configured and arranged to be installed within a structure, such as a building. The system can also include a pressure switch that is configured and arranged to sense a pressure within an exhaust duct coupled to an exhaust device. The pressure switch can also be configured to communicate an activation signal and a deactivation signal to the make-up air system. In some embodiments, communication of the activation and deactivation signals can be at least partially dependent on the pressure within the exhaust duct. Moreover, the pressure switch can be configured and arranged to be retroactively coupled to at least one of the exhaust duct and the exhaust device.

SKIN TRANSITION THERMAL CONTROL FOR CONVERTIBLE INFORMATION HANDLING SYSTEMS

A convertible information handling system in a clamshell configuration provides a maximum housing surface temperature at a predetermined portion, such as a fan exhaust, that is greater than a maximum temperature in a tablet configuration. Upon detection of transition to the tablet configuration, a burst application by a thermal rejection device reduces the temperature at the predetermined portion to aid in achieving the maximum temperature of the tablet configuration. For example, a burst application may include running a fan at full speed for a defined time or decreasing a pressure within a vapor chamber. 1. An information handling system comprising:a housing having first and second housing portions rotationally coupled to each other to transition between closed, clamshell and tablet configurations;processing components disposed in the first housing portion to process information;a display disposed in the second housing portion and interfaced with the processing components to present the information as visual images;a thermal rejection device disposed in the housing to transfer thermal energy out of the second housing portion;a configuration sensor operable to detect movement of the first and second housing portions between the closed, clamshell and tablet configurations; anda thermal manager interfaced with the thermal rejection device and configuration sensor, the thermal manager selectively applying the thermal rejection device to adjust a skin temperature at a predetermined housing portion position in response to detection of movement between clamshell and tablet configurations, the clamshell configuration having a clamshell maximum skin temperature, the tablet configuration having a tablet maximum skin temperature of less than the clamshell maximum skin temperature, the thermal manager applying the thermal rejection device in a burst at detection of movement from the clamshell configuration to the tablet configuration when the skin temperature exceeds the ...

Nanotube-Based Humidification

A humidifier uses a field of hydrophobic, nanotubes (e.g., vertically aligned carbon nanotubes) to humidify a gas. Voids in the field form liquid flow channels that are wide enough for liquid water to pass through. The nanotubes are spaced close enough to each other to prevent the water from escaping the channels. Water in the channels is absorbed by gas that flows and/or diffuses between the nanotubes. Humidity levels in the gas can be measured and controlled to a desired level by controlling the rate of flow of gas through the humidifier, controlling heating of the gas, and/or adjusting the total area of molecular transfer from the water to the gas by providing multiple banks of nanotubes and controlling the number of banks through which the gas flows. 1. A gas humidifier , comprising:a field of at least one million hydrophobic nanotubes with diameters between 1 and 100 nm with spaces between the nanotubes though which gas can travel, with voids in the field positioned to form a plurality of liquid flow channels, each of which is surrounded by the nanotubes, wherein the channels are wide enough for liquid water to pass through, and wherein the nanotubes adjacent to the channels are spaced close enough to each other to prevent liquid water from escaping the channels;a gas pathway that passes through spaces between the nanotubes and extends from an input to the field of nanotubes to an output from the field of nanotubes;a water container having an interior that is in fluid communication with the channels;a humidity sensor located downstream of the gas pathway so as to measure humidity of gas that has passed through the field of nanotubes; anda control system configured to receive humidity data from the humidity sensor and to adjust a flow rate of gas through the gas pathway in response to the humidity data so as to achieve a set level of gas humidity.2. The gas humidifier of claim 1 , wherein the nanotubes comprise vertically aligned carbon nanotubes.3. The gas ...

Control Method and Device for Controlling Air Conditioning Unit, and Air Conditioning Unit

The present application provides a control method and device for an air conditioning unit, the method including: obtaining a return air temperature, a condensation temperature, an evaporation temperature, compressor parameters, and fan parameters of the air conditioning unit; determining a preset evaporation temperature according to the return air temperature, the condonation temperature, the evaporation temperature, the compressor parameters, the fan parameters, a compressor power curve, and a fan power curve, wherein the sum of a compressor power and a fan power is minimized at the preset evaporation temperature; determining a preset compressor frequency anti a preset tan frequency corresponding to the preset evaporation temperature according to the compressor power curve and the fan power curve; controlling a compressor according to the preset compressor frequency; and controlling a fan according to the preset fan frequency. 1. A control method for an air conditioning unit , comprising:obtaining a return air temperature, a condensation temperature, an evaporation temperature, compressor parameters, and fan parameters of the air conditioning unit, wherein the air conditioning unit comprises a compressor and a fan;determining a preset evaporation temperature according to the return air temperature, the condensation temperature, the evaporation temperature, the compressor parameters, the fan parameters, a compressor power curve, and a fan power curve, wherein a sum of a compressor power and a fan power is minimized at the preset evaporation temperature;determining a preset compressor frequency and a preset fan frequency corresponding to the preset evaporation temperature according to the compressor power curve and the fan power curve; andcontrolling the compressor according to the preset compressor frequency, and controlling the fan according to the preset fan frequency.2. The control method for an air conditioning unit according to claim 1 , further comprising: ...

Temperature control valve

The present disclosure relates to a heating, ventilation, and air conditioning (HVAC) system that includes a heat exchanger configured to circulate a working fluid therethrough, a valve configured to regulate a flow rate of the working fluid through the heat exchanger, and a valve controller configured to modify a valve position control signal received from an external controller, separate from the valve controller, based on a temperature differential of the working fluid entering and exiting the heat exchanger.

METHOD FOR CONTROL OF A VENTILATION HEAT PUMP

Method for control of a ventilation heat pump (), comprising the steps: to measure the pressure drop over an evaporator (KF) by the use of a pressure transmitter (PV) during operation of the ventilation heat pump () to determine the need for defrosting, and by registering an increased pressure drop by the pressure transmitter (PV) above a predetermined threshold value, the defrosting sequence is started. The defrosting sequence comprises the steps: stop the compressor () of the ventilation heat pump (), reduce the power level to the exhaust fan (V) and air supply fan (V) to a level which is lower than for normal operation, shut the damper (S) for external air to the evaporator (KF), shut the damper (Si) for fresh air to the condenser (KF), and set the damper (S) for the return air to the evaporator (KF) to lead return air to the evaporator (KF), in which, during the defrosting sequence, energy from the return air is used for the defrosting of the evaporator (KF), and also that circulation of a given volume of recirculated air is maintained. 113-. (canceled)1413121214141213. A method for controlling a ventilation heat pump , wherein said ventilation heat pump comprises several dampers (S-S) and fans (V-V) , a condenser and an evaporator (KF-KF) , air volume regulators (L-L) , temperature sensors (T-T) , air filters (F-F) , pressure transmitters (PV-PV) and at least one compressor , cooling tubes , a branch valve and a choke valve connected with the compressor , wherein the method comprises the steps:{'b': 2', '1, 'measuring pressure drop over an evaporator (KF) using a first pressure transmitter (PV) during operation of the ventilation heat pump to determine the need for defrosting, and'}{'b': '1', 'when registering increased pressure drop by the first pressure transmitter (PV) over a predetermined threshold value, starting a defrosting sequence comprising the stepsstopping the compressor,{'b': 2', '1, 'reducing power level to an exhaust fan (V) and a supply air fan ...

EXHAUST FANS FOR HVAC SYSTEM WITH ENERGY RECOVERY WHEEL

A heating, ventilation, and/or air conditioning (HVAC) unit includes an energy recovery wheel, a first exhaust fan configured to draw a first air flow across the energy recovery wheel and discharge the first air flow from the HVAC unit, a second exhaust fan configured to draw a second air flow across the energy recovery wheel and discharge the second air flow from the HVAC unit, and a controller configured to operate the first exhaust fan and the second exhaust fan in an economizer mode and configured to operate the first exhaust fan and suspend operation of the second exhaust fan in an energy recovery mode. 1. A heating , ventilation , and/or air conditioning (HVAC) unit , comprising:an energy recovery wheel;a first exhaust fan configured to draw a first air flow across the energy recovery wheel and discharge the first air flow from the HVAC unit;a second exhaust fan configured to draw a second air flow across the energy recovery wheel and discharge the second air flow from the HVAC unit; anda controller configured to operate the first exhaust fan and the second exhaust fan in an economizer mode and configured to operate the first exhaust fan and suspend operation of the second exhaust fan in an energy recovery mode.2. The HVAC unit of claim 1 , wherein the controller includes a relay configured to interrupt a supply of power to the second exhaust fan in the energy recovery mode.3. The HVAC unit of claim 2 , wherein the controller includes an automation controller configured to provide an activation signal to the relay to operate the HVAC unit in the energy recovery mode.4. The HVAC unit of claim 3 , wherein the relay is configured to interrupt the supply of power to the second exhaust fan based on the activation signal received from the automation controller.5. The HVAC unit of claim 1 , wherein the controller includes an automation controller configured to output a first signal to operate the first exhaust fan and to output a second signal to operate the second ...

Discharge system and methods

Different examples of discharge systems and the method of operation thereof are disclosed. In an example, a discharge system can have an intake passage fluidly coupled to a venting system and to an intake plenum. The system can also include an air mover coupled to the intake plenum, the air mover being positioned within a housing and coupled to a motor configured to drive the air mover at varying speeds. The discharge system can have a plurality of exhaust passages, which each can include a movable damper. Further, one or more sensors can be part of the system. A controller can be coupled to the one or more sensors and, in response to readings from the one or more sensors, the system can change air speed and/or dampers position to ensure proper air flow and exhaust conditions.

METHOD AND APPARATUS FOR REDUCTION OF CONDENSATE RE-EVAPORATION DURING COOLING PART-LOAD DUTY CYCLING

An apparatus that includes a supply duct and a return duct fluidly coupled to the supply duct. A first evaporator is disposed between the supply duct and the return duct. A second evaporator is disposed between the supply duct and the return duct. A fresh-air intake is disposed between the supply duct and the return duct upstream of the first evaporator and the second evaporator. A first plurality of dampers are disposed upstream of the first evaporator. A second plurality of dampers are disposed upstream of the second evaporator. A divider panel is disposed between the first evaporator and the second evaporator. The divider panel directs air egressing the first plurality of dampers across the first evaporator and air egressing the second plurality of dampers across the second evaporator. 1. A method for reducing condensate re-evaporation in a heating , air conditioning , and ventilation (HVAC) system , the method comprising:arranging a divider panel between a first plurality of dampers and a second plurality of dampers, the first plurality of dampers directing air over a first evaporator and the second plurality of dampers directing air over a second evaporator;selectively closing at least one of the first plurality of dampers and the second plurality of dampers responsive to deactivation of at least one of the first evaporator and the second evaporator;adjusting a speed of a blower responsive to deactivation of at least one of the first evaporator and the second evaporator; andwherein the selectively closing at least one of the first plurality of dampers and the second plurality of dampers reduces evaporation of condensate present on the first evaporator and the second evaporator.2. The method of claim 1 , wherein the selectively closing comprises closing the first plurality of dampers responsive to deactivation of the first evaporator.3. The method of claim 2 , wherein the divider panel prevents air from flowing over the first evaporator when the first plurality ...

SYSTEM AND METHOD OF SINGLE-ZONE DUCT CONTROL

A system for controlling airflow into a single room includes a duct having a controllable damper, fluidly connected to the room, a controller connected to the damper, configured to open and close the damper, at least one sensor communicatively connected to the controller, positioned in the room and configured to measure a parameter in the room, at least one portable computing device communicatively connected to the sensor and the controller, and control logic stored as instructions on a non-transitory computer readable medium, the instructions configured to open and close the damper in response to a measurement received from the at least one sensor. A method for controlling a damper in a duct fluidly connected to a room is also described. 1. A system for controlling airflow into a single room , comprising:a duct having a controllable damper, fluidly connected to the room;a controller connected to the damper, configured to open and close the damper;at least one sensor communicatively connected to the controller, positioned in the room and configured to measure a parameter in the room;at least one portable computing device communicatively connected to the sensor and the controller; andcontrol logic stored as instructions on a non-transitory computer readable medium, the instructions configured to open and close the damper in response to a measurement received from the at least one sensor.2. The system of claim 1 , wherein the at least one sensor comprises a temperature sensor.3. The system of claim 1 , wherein the at least one sensor comprises a motion sensor.4. The system of claim 1 , wherein the at least one sensor is disposed within a wall plate cover.5. The system of claim 1 , wherein the at least one sensor is disposed within a light fixture.6. The system of claim 1 , wherein the at least one sensor is disposed within a smoke detector.7. The system of claim 1 , wherein the portable computing device is a smartphone.8. The system of claim 7 , wherein the non- ...

BUILDING PRESSURE CONTROL

The air flow of an HVAC system for a multi-story building B is controlled by optimizing the pressure setpoint at the return air plenum PL- used for removing or recirculate air from the building, by measuring a pressure differential between the building B air and atmosphere A air at a sensor location P-, computing a desired pressure differential between the building B air and atmosphere A air, based upon a computed stack effect pressure that is expected to develop at the sensor location on the building for the current inside and outside air temperature in the absence of mechanical action, and controlling the return air fan and damper D- to pressurize the air in at the sensor location to produce the desired pressure differential between the building B air and atmosphere A air at the sensor P- location. Air pressure is also controlled between specific rooms and adjacent rooms by control of the conditioned air or return air paths connected thereto. 1. A method of controlling the air flow of an HVAC system for a healthcare facility , the HVAC system including a heating and air conditioning system for supplying conditioned air to the building , and a return air path for removing air from the building , the return air path including a recirculate output for delivering return air to the conditioning system , and a relief output for exhausting return air to the atmosphere surrounding the building , the method comprising:a. measuring a pressure differential between a patient room and an adjacent room or corridor,b. computing a desired pressure differential between the patient room air and adjacent room or corridor, and 'wherein the desired pressure differential reduces air flow from the adjacent room or corridor to the patient room.', 'c. controlling the conditioned air path or return air path to the patient room to pressurize the air in the patient room to achieve the desired pressure differential,'}2. The method of wherein controlling the conditioned air or return air path ...

SYSTEM FOR HYGENIC GROUP EXERCISE

This invention relates to a combination of machinery, electronics and building space design using specialized disinfection systems, air filtration, audio-visual communication, electronic controllers and isolation booths in a manner that mitigates the risk of disease transmission among simultaneous and serial users of the shared space.

NOZZLE ASSEMBLY FOR EXHAUST FAN UNIT OF HVAC SYSTEM

A nozzle assembly for a fan unit includes an inner nozzle having a tapered outer diameter and a flow path radially inward from the tapered outer diameter with respect to a longitudinal axis of the nozzle assembly. The flow path is configured to guide a fluid flow and to expel the fluid flow through an inner outlet of the inner nozzle to a surrounding environment. The nozzle assembly also includes an outer nozzle disposed radially outward from the inner nozzle with respect to the longitudinal axis. The outer nozzle and the tapered outer diameter of the inner nozzle define an annular flow path therebetween. The annular flow path is configured to guide the fluid flow and to expel the fluid flow to the surrounding environment through an outer outlet of the outer nozzle. A cross-sectional area of the outer outlet is adjustable via movement of the inner nozzle, the outer nozzle, or both along the longitudinal axis of the nozzle assembly. 1. A nozzle assembly for a fan unit , comprising:an inner nozzle having a tapered outer diameter and a flow path radially inward from the tapered outer diameter with respect to a longitudinal axis of the nozzle assembly, wherein the flow path is configured to guide a fluid flow and to expel the fluid flow through an inner outlet of the inner nozzle to a surrounding environment; andan outer nozzle disposed radially outward from the inner nozzle with respect to the longitudinal axis, wherein the outer nozzle and the tapered outer diameter of the inner nozzle define an annular flow path therebetween, wherein the annular flow path is configured to guide the fluid flow and to expel the fluid flow to the surrounding environment through an outer outlet of the outer nozzle, and wherein a cross-sectional area of the outer outlet is adjustable via movement of the inner nozzle, the outer nozzle, or both along the longitudinal axis of the nozzle assembly.2. The nozzle assembly of claim 1 , wherein the outer nozzle comprises a tapered inner diameter ...

AIR CONDITIONING SYSTEM AND METHOD FOR CONTROLLING SAME

Air conditioning system and a method for controlling same. The air conditioning system is configured to carry out air conditioning in indoor space, and includes an indoor unit body. The indoor unit body includes a cavity and a heat exchanger arranged inside the cavity. The air conditioning system further includes at least one return air inlet connecting the indoor space to the cavity. The at least one return air inlet includes a first return air inlet, and the first return air inlet is located at a lower portion of the indoor space. 1. An air conditioning system for air conditioning of indoor space , comprising an indoor unit body , the indoor unit body comprising a cavity and a heat exchanger provided in the cavity; the air conditioning system further comprises at least one return air inlet connecting the indoor space to the cavity , the at least one return air inlet comprising a first return air inlet; wherein the indoor unit body is located in an upper part of the indoor space , and the first return air inlet is located at a lower part of the indoor space.2. The air conditioning system according to claim 1 , wherein the at least one return air inlet further comprises a second return air inlet located in the upper part of the indoor space claim 1 , and the air conditioning system further comprises a first switch device claim 1 , the first switch device connecting the cavity to at least one of the first return air inlet and the second return air inlet.3. The air conditioning system according to claim 2 , wherein a cooking fume detection device is provided at the second return air inlet.4. The air conditioning system according to claim 2 , wherein the air conditioning system further comprises an exhaust duct claim 2 , and the exhaust duct connects the second return air inlet to an outdoor space.5. The air conditioning system according to claim 4 , wherein the air conditioning system further comprises an airflow driving device claim 4 , and the airflow driving device ...

AIR CONDITIONING SYSTEM

Provided is an air conditioning system that uses ducts to supply conditioned air to a plurality of places inside a building, and is configured to counteract air backflow that occurs in ducts. A heat exchanger unit includes a use side heat exchanger. A plurality of ducts are connected to the heat exchanger unit. A plurality of fan units suction conditioned air from the heat exchanger unit, and supply the conditioned air to a plurality of air outlets through the plurality of ducts. A differential pressure sensor acting as a detector detects air backflow proceeding from at least one air outlet among the plurality of air outlets toward the heat exchanger unit in a plurality of distribution flow paths including the plurality of ducts, the plurality of fan units, and the air outlets of a plurality of outlet units. 1. An air conditioning system comprising a heat exchanger unit including a use side heat exchanger , and a main controller , and configured to generate conditioned air through heat exchange in the use side heat exchanger and supply the conditioned air to an air conditioned space through a plurality of distribution flow paths that communicate with the heat exchanger unit , whereineach distribution flow path is connected to the heat exchanger unit and includes a duct for distributing the conditioned air and a fan unit provided in correspondence with the duct and configured to supply the conditioned air from the heat exchanger unit through the duct to an air outlet,each fan unit is provided with a fan controller and a detector connected to the fan controller and configured to detect an air backflow proceeding from the air outlet toward the heat exchanger uniteach fan controller is configured to transmit a detection result obtained by the detector to the main controller, and control to increase or decrease an air flow volume and cause an air supply amount to approach a target air supply amount indicated by the main controller, andthe main controller clears the air ...

AIR BLOWER AND AIR BLOWING SYSTEM

An air blowing device and an air blowing system reduces a region where a person cannot be recognized in a space provided with the air blower, and achieves control of the air blower in view of a person in a larger range in the space. The air blower includes: a first sensor configured to detect a position of a human in a first human detection range; a receiver configured to receive a detection result of a second sensor transmitted from a transmitter of a sensor-mounted device, the sensor-mounted device including the second sensor configured to detect a position of a human in a second human detection range; and a controller configured to perform air blowing control when the first sensor does not detect a human in the first human detection range and the second sensor detects a human in the second human detection range. 1. An air blower comprising:a first sensor configured to detect a position of a human in a first human detection range;a receiver configured to receive a detection result of a second sensor transmitted from a transmitter of a sensor-mounted device, the sensor-mounted device including: the second sensor configured to detect a position of a human in a second human detection range, and the transmitter configured to transmit the detection result of the second sensor; anda controller configured to perform, when the first sensor does not detect a human in the first human detection range and the second sensor detects a human in the second human detection range, air blowing control which change a direction of outlet air to outside of the first human detection range.2. The air blower according to claim 1 , further comprising:different sensor position grasping means configured to grasp a relative position of the second sensor with respect to the first sensor, andsensor information integration means configured to use the relative position of the second sensor grasped by the different sensor position grasping means to integrate the detection result of the first ...

INDOOR UNIT OF AIR CONDITIONER

The indoor unit includes a plurality of outlet openings. In airflow rotation of the indoor unit, a full blowout mode and a partial blowout mode are executed. In the full blowout mode, all the outlet openings blow conditioned air. In the partial blowout mode, the flow of the blowing air of part of the outlet openings are blocked by the air current blocking mechanism, and thus the blowing wind speeds of the remaining outlet openings increases. As a result, an air temperature difference among parts of the indoor space decreases, and the comfort of the indoor space is improved. 2. The indoor unit of the air conditioner of claim 1 , whereinthe outlet openings, part of the plurality of outlet openings, constitute a first opening, and the outlet opening, the rest of the plurality of outlet openings, constitute a second opening; and [ a first partial blowout mode of blocking flow of blowing air of the second opening by the air current blocking mechanism and increasing a blowing wind speed at the first opening and', 'a second partial blowout mode of blocking flow of blowing air of the first opening by the air current blocking mechanism and increasing a blowing wind speed at the second opening, 'at least one of'}, 'is performed in the airflow rotation., 'the controller controls the air current blocking mechanism so that'}3. The indoor unit of the air conditioner of claim 1 , whereinthe outlet openings, part of the plurality of outlet openings, constitute a first opening, and the outlet opening, the rest of the plurality of outlet openings, constitute the second opening; and a first partial blowout mode of blocking flow of blowing air of the second opening by the air current blocking mechanism and increasing a blowing wind speed at the first opening and', 'a second partial blowout mode of blocking flow of blowing air of the first opening by the air current blocking mechanism and increasing a blowing wind speed at the second opening', 'are performed in the airflow rotation., ' ...

FACILITATING STRUCTURE AUTOMATION FUNCTIONALITY BY AUTOMATICALLY MODIFYING A CONDITION OF AN ENVIRONMENT BASED ON IMPLEMENTING A PARAMETER ADJUSTMENT AT A REMOTE DEVICE WITHIN THE STRUCTURE

Facilitating structure automation functionality by automatically modifying a condition of an environment based on implementing a parameter adjustment at a remote device within the structure is provided herein. A method can comprise facilitating a communication link between a controller device, a first auxiliary device, and a second auxiliary device. Facilitating the communication link comprises defining a communication standard that controls a communication between the first auxiliary device and the second auxiliary device. The method can also comprise implementing a first change at the first auxiliary device based on a first determination that a first condition within an environment of the first auxiliary device is to be changed. Further, the method can comprise implementing a second change at the second auxiliary device based on a second determination that a second condition within the environment of the second auxiliary device is to be changed. 1. A system , comprising:a memory that stores executable components; and a communications component that facilitates a communication between a central device and at least one remote device, wherein the central device is positioned at a first location within a structure and the at least one remote device is positioned at a second location within the structure;', 'an evaluation component that analyzes a condition of an environment at the second location based on information received from the at least one remote device; and', 'an adjustment component that facilitates a change to at least one parameter of the at least one remote device based on the condition of the environment, wherein the change results in a modification to the condition of the environment at the second location while supporting structure automation functionality., 'a processor, operatively coupled to the memory, that executes the executable components, the executable components comprising2. The system of claim 1 , wherein the central device is classified as ...

SYSTEM AND METHOD FOR DISINFECTION OF AIR

A disinfection system including an air mover, wherein the air mover is configured to direct air flow; an inlet filter implement; an inlet flow control valve; a decontamination chamber apparatus, in which the decontamination chamber apparatus comprises an inlet section or port, an inner wall, and an outlet section or port; a UV light source, wherein the UV light source is configured to produce light in the UVC wavelength, wherein the UV light is configured to disinfect air that passes through the decontamination chamber apparatus; an outlet flow control valve, wherein the outlet flow control valve is configured to recirculate the disinfected air; and wherein the decontamination chamber apparatus is configured to be operable for impeding or obstructing the flow of air. 1. A disinfection system comprising:an air mover, in which said air mover comprises at least one of a fan and air compressor that is configured to direct air flow;an inlet flow control valve, in which said inlet flow control valve comprises a programmable flow control valve that is configured to turn off to obstruct air flow and to turn on to allow the flow of air;a decontamination chamber apparatus, in which said decontamination chamber apparatus comprises an inlet section or port, an inner wall, and an outlet section or port;in which said decontamination chamber apparatus further comprises about two or more decontamination chambers;in which each of said two or more decontamination chambers comprises a plurality of decontamination areas;a plurality of UVC transparent materials, said plurality of UVC transparent materials are configured to be operable for impeding/obstructing the flow of air in each of said plurality of decontamination areas;a UV light source, wherein said UV light source is configured to produce light in the UVC wavelength, wherein said UV light is configured to disinfect air that goes through said decontamination chamber apparatus;an outlet flow control valve, wherein said outlet flow ...

DATA CENTER AIR CONDITIONING CONTROL DEVICE, METHOD, NONTRANSITORY COMPUTER READABLE MEDIUM, AND AIR CONDITIONING SYSTEM

An air conditioning control device includes a differential pressure calculation unit that calculates differential pressure between the intake side and the exhaust side of a rack containing at least one server, and a rotational speed control unit that controls the rotational speed of an air conditioning fan on the basis of the differential pressure. The rotational speed control unit increases or decreases the rotational speed of the air conditioning fan depending on the variation of the differential pressure in the event of a change in the rotational speed of the air conditioning fan. 1. An air conditioning control device comprising:a differential pressure calculation means for calculating differential pressure between an intake side and an exhaust side of a rack containing at least one server; anda rotational speed control means for controlling a rotational speed of an air conditioning fan on the basis of the differential pressure,wherein the rotational speed control means increases or decreases the rotational speed of the air conditioning fan depending on a variation of the differential pressure in event of a change in the rotational speed of the air conditioning fan.2. The air conditioning control device according to claim 1 , wherein the rotational speed control means increases or decreases the rotational speed of the air conditioning fan depending on a comparison result of the variation of the differential pressure in event of a change in the rotational speed of the air conditioning fan with a predetermined value.3. The air conditioning control device according to claim 1 , wherein when the variation of the differential pressure in event of a change in the rotational speed of the air conditioning fan is equal to or less than a first predetermined value claim 1 , the rotational speed control means decreases the rotational speed of the air conditioning fan to lower than the rotational speed after change claim 1 , and when the variation is equal to or more than a ...

AIR CONDITIONING SYSTEM

An air conditioning system configured to supply a plurality of places in a building with conditioned air with use of ducts inhibits malfunction of the air conditioning system due to airflow volume through a utilization heat exchanger. A heat exchanger unit includes a utilization heat exchanger. The heat exchanger unit is connected with a plurality of ducts. A plurality of fan units sucks conditioned air from the heat exchanger unit through the plurality of ducts and supplies a plurality of blow-out ports with the conditioned air. The fan units include fan motors as a plurality of actuators configured to individually change supply air volume of the conditioned air. A main controller controls the plurality of fan motors such that airflow volume through the utilization heat exchanger satisfies a predetermined condition. 1. An air conditioning system comprising a heat exchanger unit having a utilization heat exchanger and configured to generate conditioned air through heat exchange in the utilization heat exchanger and supply an air conditioning target space with the conditioned air through a plurality of distribution flow paths communicating with the heat exchanger unit ,each of the distribution flow paths including a duct connected to the heat exchanger unit and provided for distribution of the conditioned air, a fan unit provided correspondingly to the duct and configured to supply the air conditioning target space with the conditioned air from the heat exchanger unit through the ducts, as well as an actuator configured to individually change supply air volume of the conditioned air supplied to the air conditioning target space, andthe air conditioning system further comprising a main controller configured to control the actuators such that airflow volume through the utilization heat exchanger satisfies a predetermined condition.2. The air conditioning system according to claim 1 , whereinat least either the ducts or the fan units each include an airflow volume ...

CONNECTED LIGHT FIXTURE AND RELATED METHODS

A system for controlling an environmental condition in a space includes one or more light fixtures, each including at least one sensor for sensing a condition of the space (such as temperature), a device for regulating the environmental condition of the space, and a controller for controlling the device based on the sensed condition. The device may comprise a fan, such as a ceiling fan or one forming part of a heating, ventilating, or air conditioning (HVAC) unit. Related systems and methods for controlling lighting are also disclosed. 1. A system for controlling a heating , ventilating , or air conditioning unit associated with the space , comprising:a light fixture adapted for mounting to a ceiling within the space, the light fixture including at least one sensor for sensing a condition in the space; anda controller adapted for controlling the heating, ventilating, or air conditioning unit based on the sensed condition.2. The system of claim 1 , wherein the heating claim 1 , ventilating or air conditioning unit comprises a fan claim 1 , the sensor comprises a temperature sensor claim 1 , and the controller is adapted for regulating the speed of the fan based on the sensed temperature.3. The system of claim 1 , wherein the controller is a central controller for controlling a plurality of devices besides the light fixture claim 1 , such as HVAC units or zone dampers.4. The system of claim 3 , wherein the central controller does not include a temperature sensor.5. The system of claim 1 , further including a fan adapted for being controlled by the controller based on the sensed condition.6. The system of claim 5 , wherein the fan comprises a ceiling fan.7. A system for regulating an environment in a space claim 5 , comprising:a light fixture adapted for mounting to a ceiling in the space, the light fixture including at least one sensor for sensing a condition in the space;a heating, ventilating, or air conditioning unit for regulating the environmental condition of ...

Controller configured to receive blower volumes for different operating modes per zones, an hvac system including the controller and a method of operating the controller

Provided herein is an HVAC controller that receives blower volumes for different operating modes per HVAC zones, a HVAC system including the same and a method of operating the controller. In one embodiment, the controller includes: (1) an interface configured to receive blower volumes for each zone of the HVAC system that correspond to operating modes thereof of the HVAC system, wherein the blower volumes are received via a single graphical user interface and (2) a processor configured to direct operation of a circulation fan of the HVAC system based on at least one of the blower volumes.

Hvac balancing and optimization systems

Certain aspects of the present disclosure relate to a system including a first active control device, comprising: a flow control element; one or more sensors; a network interface configured to connect to a mesh network; a memory comprising computer-executable instructions; and a processor configured to: execute the computer-executable instructions; receive local sensor data from the one or more sensors; receive remote sensor data from a remote sensing device; control a position of the flow control element based on one or more of the local sensor data or the remote sensor data; store the local sensor data and remote sensor data in the memory; and transmit the local sensor data and the remote sensor data to a second active control device via the mesh network.

MOVABLE AIR CONDITIONER

A movable air conditioner includes an air conditioner main body, an air conditioning unit installed in the air conditioner main body and configured to generate a cold air or a warm air, a moving unit configured to move the air conditioner main body, a control unit configured to control the air conditioning unit and the moving unit, and a human body recognition unit configured to recognize a person existing in a specific space. The control unit is configured to control the moving unit so that the air conditioner main body is moved toward the person recognized by the human body recognition unit so as to supply the cold air or the warm air from the air conditioning unit to the person recognized by the human body recognition unit. 120.-. (canceled)21. A movable air conditioner , comprising:an air conditioner main body;an air conditioning unit installed in the air conditioner main body and configured to generate a cold air or a warm air;a moving unit configured to move the air conditioner main body;a control unit configured to control the air conditioning unit and the moving unit; anda human body recognition unit configured to recognize a person existing in a specific space,wherein the control unit is configured to control the moving unit so that the air conditioner main body is moved toward the person recognized by the human body recognition unit so as to supply the cold air or the warm air from the air conditioning unit to the person recognized by the human body recognition unit.22. The movable air conditioner of claim 21 , wherein the human body recognition unit includes an infrared image sensor configured to capture an image of the specific space claim 21 , sense infrared rays emitted from an object or a person existing in the specific space and divide the image of the specific space into matrix type image cells claim 21 , andthe control unit is configured to recognize a human body of a person by processing infrared-sensed image cells among the matrix type image ...

System of adjusting load of air conditioning and method of adjusting the same

A system is disclosed and includes an air-conditioning load prediction unit for predicting a load of an air-conditioning unit in a future time period based on past data; an indoor temperature and humidity sensing module for sensing temperature and humidity of a building at a first time; a fan-speed sensing module for sensing a fan-speed of the air-conditioning unit at the first time; and a comfort-degree prediction module for calculating a comfort-degree that the air-conditioning unit is required to reach at a second time based on the sensed temperature, sensed humidity and sensed fan-speed; an energy management unit for controlling a central monitoring computer to set a temperature and an fan-speed of the air conditioning unit, and compare the predicted load and an actual load of the air conditioning unit for adjusting the set temperature and the set fan-speed in real time. A method of adjusting is also provided.

LINEARIZATION OF AIRFLOW THROUGH ZONE DAMPERS OF AN HVAC SYSTEM

A control system can provide a linear behavior of airflow as a function of damper position of each zone damper in an HVAC system. The control system incrementally closes each zone damper from a fully open position to a fully closed position, and records static pressure measurements with each change in damper position. Then, using a mathematical model that is derived from the second fan law, a correction is calculated for each damper position of each zone damper based on the recorded static pressure measurements to provide corrected damper positions at which the airflow through the zone damper exhibits a linear behavior. The corrected damper positions are stored and used during an operational cycle of the HVAC system to obtain a precise airflow through the zone dampers. 1. A system comprising:a fan;a damper configured to move from a first position to a second position; and determine a first static pressure value when the damper is in the first position;', 'determine a second static pressure value when the damper is in the second position;', 'determine, based at least in part on a difference between the first static pressure value and the second static pressure value, that airflow through the system is nonlinear;', 'determine a first corrective positional adjustment for the first position based at least in part on the first static pressure value and the second static pressure value;', 'determine a third position for the damper using the first corrective positional adjustment; and', 'cause the damper to move to the third position instead of the first position., 'a controller configured to2. The system of claim 1 , wherein the controller is further configured to:determine, based at least in part on a difference between the first static pressure value and the second static pressure value, that airflow through the system is nonlinear.3. The system of claim 1 , wherein the controller is further configured to:increment the damper in a first direction by a first amount; ...

TARGETED CLEAN AIR DELIVERY

Disclosed is an air purification system () including an air purification apparatus () comprising an air inlet (); an air outlet () for expelling air in a target direction () into a region and including an adjustment mechanism () arranged to adjust said target direction in response to a target direction adjustment signal from a control system for aiming the air outlet at the face of a person in said region; at least one pollutant removal structure () in between the air inlet and the air outlet; and an air displacement apparatus () for displacing air from the air inlet to the air outlet through the at least one pollutant removal structure, and a sensor () adapted to determine a breathing parameter of the person, wherein the air purification apparatus is configured to expel said air as a function of said breathing parameter. A computer program product for configuring such a control system is also disclosed. 1. An air purification system including:an air purification apparatus comprising:an air inlet;an air outlet for expelling air in a target direction into a region and including an adjustment mechanism arranged to adjust said target direction in response to a target direction adjustment signal for aiming the air outlet at the face of a person in said region;at least one pollutant removal structure in between the air inlet and the air outlet; andan air displacement apparatus for displacing air from the air inlet to the air outlet through the at least one pollutant removal structure;wherein:the air system further includes a sensor adapted to determine a breathing parameter of the person, wherein the air purification apparatus is configured to expel said air as a function of said breathing parameter; andthe sensor is a breathing sensor; the air purification system further comprises a controller responsive to the breathing sensor arranged to at least detect an inhalation phase of a breathing cycle of the person as the breathing parameter.2. The air purification system of ...

Temperature and Relative Humidity Controller

Control systems are provided that provide thermodynamically decoupled control of temperature and relative humidity and/or reduce or prevent frost formation or remove previously-formed frost. The control systems herein may be included as a component of a heating, ventilation, air conditioning, and refrigeration system that includes a heat exchanger. 1. A control system that provides thermodynamically decoupled control of relative humidity and temperature in a heating , ventilation , air conditioning , and refrigeration (HVAC-R) system that comprises a heat exchanger.2. A control system according to claim 1 , wherein the thermodynamically decoupled control comprises varying the air velocity through the heat exchanger.3. A control system according to claim 1 , wherein the thermodynamically decoupled control at least partially comprises jumping droplet condensation on at least one surface of the HVAC-R system.4. (canceled)5. A control system according to claim 3 , wherein the at least one surface comprises a nanostructured layer.6. A control system according to claim 5 , wherein the nanostructured layer is coated on a fin structure.7. A control system according to claim 6 , wherein the at least one surface comprises aluminum.8. (canceled)9. A control system according to claim 1 , wherein the control system increases efficiency and/or reduces energy usage through decreased runtime in comparison to a system in which relative humidity and temperature are not thermodynamically decoupled.10. A control system according to claim 1 , wherein the control system establishes a desired comfort setting for occupants of an environment that is exposed to the resultant process fluid comprising temperature and humidity controlled air.11. (canceled)12. A control system according to claim 3 , wherein the jumping droplet condensation occurs on a surface of a heat exchanger with a nanostructured coating layer.13. A control system according to claim 1 , wherein the control system comprises a ...

Air quality sensor and data acquisition apparatus

An air sampling system is configured to detect an air quality metric for a plurality of regions. The sampling system comprises an air sample unit and an air sensor in fluid communication with a sensor supply line and configured to measure the air quality metric. A controller is configured to control the air sample unit to selectively direct a selected sample of a plurality of air samples to the sensor supply line. The controller is further configured to control the air sample unit to direct the remaining air samples to a sample purge line bypassing the sensor supply line. The controller is further configured to change the selected sample over time among the plurality of air samples such that the air quality metric is identified for the plurality of regions.

SMART BUILDING SYSTEM

An embodiment of the present invention provides a smart building system. The smart building system includes a sensor unit located in a indoor space to sense the presence of a person in the indoor space and biometric information of the person located in the indoor space, a determination unit determining whether or not the person is located in the indoor space on the basis of the information acquired by the sensor unit, and a controller controlling an indoor controller disposed inside the indoor space on the basis of the information determinate by the determination unit. 1. A smart building system , comprising:a sensor unit disposed in an indoor space to sense information which comprising a presence of a person located in the indoor space and biometric information of the person located in the indoor space;a determination unit determining whether or not the person is located in the indoor space on the basis of the information acquired by the sensor unit;a control unit controlling an indoor controller disposed inside the indoor space on the basis of the information determined by the determination unit; anda storage unit storing information about repetitive movements that occur in the indoor space,wherein the determination unit determines that the same information as the information about the repetitive movements stored in the storage unit among the information sensed by the sensor unit is not the biometric information of the person so as to determine whether or not the person is located in the indoor space on the basis of the biometric information of the person,the repetitive movements mean moving with a constant cycle.2. The system of claim 1 , wherein the determination unit adjusts a sensitivity of the sensor unit according to a driving strength of the indoor controller.3. The system of claim 2 , wherein the indoor controller is an air conditioner claim 2 , in which an air flow becomes strong in the indoor space as a driving strength of the air conditioner becomes ...

Air-conditioning control system

In order to create a desired air-conditioned space by reducing influences to adjacent spaces and sending proper air-conditioning air to the target space, the air-conditioning control system is provided with: a first temperature setting unit to set a preset temperature for an air-conditioning target space which is among spaces under or between two indoor units adjacent to each other, the air-conditioning target space having been requested a change in the preset temperature by a user, the indoor units each including multiple blowout openings; a second temperature setting unit to set a preset temperature of an adjacent air-conditioning space adjacent to the air-conditioning target space; a first air-conditioning air control unit to determine a first blowout opening from among the multiple blowout openings for realizing the preset temperature set by the first temperature setting unit, to control temperature, airflow volume, and a blowout wind direction of the air-conditioning air sent out from the first blowout opening, and a second air-conditioning air control unit to determine a second blowout opening for realizing the preset temperature set by the second temperature setting unit, to control temperature, airflow volume, and a blowout wind direction of the air-conditioning air sent out from the second blowout opening.

SYSTEM FOR PERSONALIZED INDOOR MICROCLIMATES

A network of wireless remote climate sensors in a heating, ventilation, and air conditioning (HVAC) system permits the creation of personalized microclimates within an enclosed space. In addition to collecting temperature and humidity data, the wireless remote climate sensors can detect whether the enclosed space is occupied by a human. Human detection is made possible by optional cameras, microphones, and gas sensors on the wireless remote climate sensors. As the human moves throughout the enclosed space, the HVAC system is able to track the human's movement using the wireless remote climate sensors. The HVAC system may adjust airflow to different portions of the enclosed space based on the human's location. The result is an efficient use of system resources to keep users at their ideal temperature. 1. A system for establishing a personalized microclimate in an enclosed space , comprising: a variable damper, wherein the first variable damper controls the flow of air through a first air duct outlet,', 'a first wireless remote sensor, the first wireless remote sensor comprising a thermometer, hygrometer, and a human recognition sensor;', 'a second wireless remote, the second wireless remote sensor comprising a thermometer, hygrometer, and a human recognition sensor;, 'a zone comprising a memory configured to store a plurality of climate profiles, wherein each climate profile comprises a desired temperature, a desired humidity, and at least one user identifier;', receive, from the first wireless remote sensor, the identification of the human in the zone;', 'receive, from the first and second wireless remote sensors, measurements of the temperature and the humidity in the zone;', 'search for a match between the identification of the human in the zone with a first user identifier in a first climate profile;', compare the desired temperature and humidity in the first climate profile with the temperature and humidity measured by the first and second wireless remote ...

SIZE DETERMINING METHOD AND DEVICE FOR FRESH AIR INLET, AND INDOOR UNIT OF AIR CONDITIONING

The present disclosure provides a method for determining the size of the fresh air inlet performed by a computing device, and an indoor unit of an air conditioner. The computing device acquires an outputting air volume and a fresh air coefficient of the indoor unit of the air conditioner; calculates a cross-sectional area of the fresh air inlet, according to the outputting air volume and the fresh air coefficient of the indoor unit of the air conditioner; and calculates a diameter of the fresh air inlet, according to the cross-sectional area of the fresh air inlet. The indoor unit of the air conditioner having the fresh air inlet can improve the comfort in the indoor environment and user's experience satisfaction without adversely affecting the heat exchange efficiency. 1. A method for determining the size of fresh air inlet , the fresh air inlet being a fresh air inlet of indoor unit of air conditioner , the method comprising:acquiring an outputting air volume and a fresh air coefficient of the indoor unit of the air conditioner;calculating a cross-sectional area of the fresh air inlet, according to the outputting air volume and the fresh air coefficient of the indoor unit of the air conditioner; andcalculating a diameter of the fresh air inlet, according to the cross-sectional area of the fresh air inlet.2. The method according to claim 1 , wherein claim 1 , the fresh air coefficient comprises maximum fresh air coefficient and minimum fresh air coefficient claim 1 , the step of calculating a cross-sectional area of the fresh air inlet according to the outputting air volume and the fresh air coefficient of the indoor unit of the air conditioner comprises:determining a cross-sectional area range of the fresh air inlet, according to the outputting air volume, the maximum fresh air coefficient, and the minimum fresh air coefficient of the indoor unit of the air conditioner; anddefining a cross-sectional area within the cross-sectional area range of the fresh air inlet ...

Equipment enclosure air flow control system

Disclosed is a system and method for control of air flow in an enclosure. A system discloses: a first element located on a first surface of the equipment enclosure having: first and second reels located along opposing edges of the first element; and a first air flow control element located between first and second reels and having a first portion and a second portion, said first portion being located on an edge of the first element adjoining the first reel, said second portion being located on an edge of the first element adjoining the second reel, each having apertures located therein of a number or cross sectional area different from the other portions, movement of the first air flow control element from a first reel to a second reel by rotation of the reels causing the first portion or second portion to be positioned between the first and second reels.

FORCED AIR CONDITIONING SYSTEM

A forced air conditioning system includes supply and return air plenum, an air treatment device, first and second air return dampers, first and second sensors, and a controller. The plenums communicate with first and second rooms and the treatment device is adapted to condition air when activated and not condition air when deactivated. The air return dampers are adapted to isolate the respective first and second rooms when closed. The sensors are located in the respective first and second rooms and are configured to detect a condition of the air. The controller is configured to receive condition signals from the respective sensors, compare the signals to a preprogrammed air condition threshold, and output a command signal to close one of the dampers to substantially equalize the air condition between rooms when the preprogrammed air condition threshold is met, and the air treatment device is deactivated. 1. A forced air conditioning system adapted to treat air temperature in at least first and second rooms of a dwelling , the forced air condition system comprising:a supply air plenum in fluid communication with the first and second rooms;a return air plenum in fluid communication with the first and second rooms;an air treatment device adapted to condition air flowing from the return air plenum and into the supply air plenum when in an activated state and not condition the air when in a deactivated state;a first air return damper adapted to isolate the first room from the return air plenum when in a closed position and permit airflow from the first room and into the return air plenum when in an open position;a second air return damper adapted to isolate the second room from the return air plenum when in a closed position and permit airflow from the second room and into the return air plenum when in an open position;a first sensor disposed in the first room for detecting a condition of the air in the first room;a second sensor disposed in the second room for detecting ...

Smart vent system for localized air quality control

An environmental control system for a building, the system including a vent. The vent includes one or more louvers configured to change position between an open position and a closed position to permit air from the air duct to enter a zone of the building or stop the air from entering the zone and a vent circuit configured to operate the one or more louvers based on one or more control commands. The system includes a controller device including a processing circuit configured to receive a selection of an operating profile from a plurality of predefined operating profiles for the vent, each of the plurality of predefined operating profiles indicating an intended use of the zone, determine, based on the operating profile, the one or more control commands, and cause the vent circuit to operate the one or more louvers based on the one or more control commands.

AIR CONDITIONING DEVICE AND CONTROL METHOD THEREOF

An air conditioning device is provided. The air conditioning device includes an image sensor, and a processor configured to identify an object based on edge information included in an image acquired through the image sensor, and control an operation of the air conditioning device based on the type information of the identified object. 1. An air conditioning device comprising:an image sensor; and identify an object based on edge information included in an image obtained by the image sensor, and', 'control an operation of the air conditioning device based on a type information of the identified object., 'a processor configured to2. The air conditioning device of claim 1 , wherein the processor is further configured to:control at least one of an air conditioning mode or a strength of air conditioning based on the type information of the object.3. The air conditioning device of claim 2 ,wherein the air conditioning device is implemented as an air conditioner, and 'control at least one of a cooling mode or a heating mode, a strength of wind for the cooling mode or the heating mode, a location of wind for the cooling mode or the heating mode, or an angle of the wind for the cooling mode or the heating mode based on the type information of the object.', 'wherein the processor is further configured to4. The air conditioning device of claim 1 , wherein the image sensor comprise a sensor that detects an edge area by identifying a movement of the object based on a light reflected from the object.5. The air conditioning device of claim 4 , wherein the image sensor further comprises a dynamic vision sensor (DVS) detecting the edge area.6. The air conditioning device of claim 1 , further comprising:a memory storing a neural network model trained to identify a type of the identified object based on an input image, input the obtained image into the neural network model, and', 'control the operation of the air conditioning device based on the type information of an object output ...

Failure Detection and Compensation in Heating, Ventilation and Air Conditioning (HVAC) Equipment

A method is provided for controlling heating, ventilation and air conditioning (HVAC) equipment configured to control environmental conditions in confined areas of a facility. The method includes monitoring at least one of the HVAC equipment or the confined areas. The method includes detecting a failure of a first of the HVAC equipment to control an environmental condition in a first of the confined areas to a setpoint for the environmental condition, with the environmental condition including at least one of temperature, humidity or air quality. The method includes controlling at least one of the first or a second of the HVAC equipment to cause additional conditioned air to permeate to the first of the confined areas from an adjacent, second of the confined areas to move the environmental condition in the first of the confined areas closer to the setpoint to compensate for the failure, automatically as a direct result of detection of the failure. 1. An apparatus for controlling heating , ventilation and air conditioning (HVAC) equipment configured to control environmental conditions in confined areas of a facility , the apparatus comprising:a memory configured to store computer-readable program code; andprocessing circuitry configured to access the memory, and execute the computer-readable program code to cause the apparatus to at least:monitor at least one of the HVAC equipment or the confined areas;detect a failure of a first of the HVAC equipment to control an environmental condition in a first of the confined areas to a setpoint for the environmental condition, the environmental condition including at least one of temperature, humidity or air quality; andcontrol at least one of the first or a second of the HVAC equipment to cause additional conditioned air to permeate to the first of the confined areas from an adjacent, second of the confined areas to move the environmental condition in the first of the confined areas closer to the setpoint to compensate for ...

Automated monitoring system for a forced air handling system and method of operation

A forced air handling system includes an automated monitoring system. A method of operating the automated monitoring system includes initiating a calibration mode of operation via a controller. A plurality of dampers may then close via the controller. Once closed, a duct in communication with the plurality of dampers may be pressurized. A first air flow measuring exiting each one of the plurality of dampers may be obtained by a flow sensor. The duct is then depressurized and a second airflow measurement is taken, via the controller, exiting each one of the plurality of dampers. The controller calculates a statistical difference between the first and second airflow measurements.

PARTITION DEVICE, AN AIR TREATMENT APPARATUS AND A METHOD PERFORMED BY A CONTROL DEVICE, FOR CONTROLLING AN AIR TREATMENT APPARATUS

The invention relates to a partition device () for a reactivation section () of an air treatment rotor () in an air treatment apparatus (). The partition device () comprises at least one first partition member () provided with a first cover area (), an inlet opening () and an outlet opening () for a reactivation air stream () and an actuating member () for moving and positioning the at least one first partition member () or a part of the at least one first partition member () in relation to a center axis () of the air treatment rotor () to regulate the area and shape of the reactivation section (). The invention also relates to an air treatment apparatus () and a method, performed by a control device (), for controlling an air treatment apparatus (). The invention also relates to a computer program product and a computer-readable medium. 121.-. (canceled)22. A partition device for a reactivation section of a desiccant rotor in a desiccant dehumidifier , the partition device comprising:at least one first partition member;an inlet opening and an outlet opening for a reactivation air stream regenerating the desiccant rotor; andan actuating member for moving and positioning the at least one first partition member or a part of the at least one first partition member pivotally in relation to a center axis of the desiccant rotor to regulate the area and shape of the reactivation section, whereinthe at least one first partition member is provided with a first cover area, which covers the reactivation section, and is arranged at a distance from the desiccant rotor, whereinthe first partition member is adapted to be foldably and pivotally arranged about the center axis on both sides of the desiccant rotor and connected by a peripheral connecting member, orthe partition device further comprises a second partition member, wherein the first partition member and/or the second partition member are adapted to be pivotally arranged about the center axis of the desiccant rotor, which ...

CONTROL DEVICE, TERMINAL DEVICE, AND METHOD

According to one embodiment, a control device for an air conditioner which is communicably connected to first and second terminal devices to be used by first and second users is provided. The control device includes a processor. The processor configured to receive a first personal set temperature which is a temperature set by the first user by operating the first terminal device, receive a second personal set temperature which is a temperature set by the second user by operating the second terminal device, and determine a set value of the air conditioner based on the first personal set temperature and the second personal set temperature. 1. A control device for an air conditioner which is communicably connected to first and second terminal devices to be used by first and second users , the control device comprising: receive a first personal set temperature which is a temperature set by the first user by operating the first terminal device;', 'receive a second personal set temperature which is a temperature set by the second user by operating the second terminal device; and', 'determine a set value of the air conditioner based on the first personal set temperature and the second personal set temperature., 'a processor configured to2. A control device for an air conditioner which is communicably connected to first and second terminal devices to be used by first and second users , the control device comprising: receive, from the first terminal device, a first personal set temperature which is a temperature set by the first user;', 'receive, from the second terminal device, a second personal set temperature which is a temperature set by the second user; and', 'determine a set value of the air conditioner based on the first personal set temperature and the second personal set temperature., 'a processor configured to3. The control device according to claim 1 , wherein the air conditioner is installed in a room where the first and second users are present.4. The control ...

HVAC HYBRID BLOWER MOTOR SOFT START

A method for soft start of a motor in a heating, ventilation, and cooling (HVAC) system. The method includes operably connecting a first switching device with the motor; the first switching device operably connected to a power source and configured to direct power from a DC power source to the motor, and operably connecting a second switching device with the motor, the second switching device operably connected to a power source and configured to direct power from the DC power source to the motor. The method also includes receiving, by a controller, a request to engage the motor associated with an operation of the HVAC system, commanding the first switching device with a first pulse width modulation signal for a first selected duration, while ensuring the second switching device is disengaged, and after the first selected duration, enabling the second switching device and disengaging the first switching device. 1. A method for soft start of a blower motor in a heating , ventilation , and cooling (HVAC) system , the method comprising:operably connecting a first switching device with the motor; the first switching device operably connected to a DC power source and configured to direct power from the DC power source to the motor;operably connecting a second switching device with the motor, the second switching device operably connected to the DC power source and configured to direct power from the DC power source to the motor;receiving a request to engage the motor associated with an operation of the HVAC system;commanding the first switching device with a first pulse width modulation (PWM) signal for a first selected duration, while ensuring the second switching device is disengaged, the commanding the first switching device with the first PWM signal comprising applying the first PWM signal to the first switching device causing the first switching device to activate at a selected duty cycle of the first PWM signal; andafter the first selected duration, enabling the ...

HVAC SYSTEM WITH WATERSIDE AND AIRSIDE DISTURBANCE REJECTION

A system that modifies an environmental condition of a building zone is provided. The system includes an airside processing circuit and a waterside processing circuit. The airside processing circuit drives a damper actuator to a first setpoint based on an air flow rate setpoint and a first pressure measurement, receives an air flow error signal based on the air flow rate setpoint and a second pressure measurement, determines a setpoint based on the air flow error signal, and drives the damper actuator to the second setpoint. The waterside processing circuit drives a valve actuator to a first setpoint based on a fluid flow rate setpoint and a first flow rate measurement, receives a fluid flow error signal based on the fluid flow rate setpoint and a second flow rate measurement, determines a second setpoint based on the fluid flow error signal, and drives the valve actuator to the second setpoint. 1. An HVAC system configured to modify an environmental condition of a building zone , the HVAC system comprising:a damper configured to regulate a supply of air flowing past a heat exchanger coil;a damper actuator coupled to the damper for driving the damper between multiple positions; drive the damper actuator to a first damper position setpoint, the first damper position setpoint based on an air flow rate setpoint and a first pressure measurement from a pressure sensor;', 'receive an air flow error signal, the air flow error signal based on the air flow rate setpoint and a second pressure measurement from the pressure sensor;', 'determine a second damper position setpoint based on the air flow error signal; and', 'drive the damper actuator to the second damper position setpoint;, 'an airside processing circuit coupled to the damper actuator and configured toa valve configured to regulate a flow of fluid through the heat exchanger coil;a valve actuator coupled to the valve for driving the valve between multiple positions; and drive the valve actuator to a first valve ...

BEDDING CLIMATE CONTROL APPARATUS AND METHOD TO OPERATE THEREOF WITH A PROGRAMMABLE APPLICATION FROM A WIRELESS NETWORK

An apparatus and method to selectively create a heat transfer effect and sensation of cooling within bedding on a mattress. A programmable application is accessible on a wireless network and is programmed to provide appropriate settings to attain changes over time of a space within bedding that pertain to at least one of heating the space and realizing a cooling sensation within the space. A wireless receiver is configured to receive commands in a wireless manner that are indicative of the appropriate settings provided by the programmable application to effect changes over time of the space within the bedding attributed to heat transfer with respect to the at least one of heating the space and realizing a cooling sensation within the space. The heat transfer occurs as a result of fluid flow either within a mattress or within space in bedding over the mattress. 1. An apparatus that creates a heat transfer effect in a space that is between a mattress and bedding that covers the mattress , comprising:a wireless device that accesses the programmable application from a wireless network;a heat transfer device for effecting heat transfer via fluid flow into at least one of bedding, a mattress, and a space that is between the mattress and the bedding;wherein the programmable application is programmed with appropriate settings including a setting of temperature and a setting of timing for effecting the heat transfer, the wireless device being in communication with the heat transfer device to cause the heat transfer device to effect the heat transfer in accord with the appropriate settings.2. The apparatus of claim 1 , wherein the heat transfer device includes a tube within or above a mattress claim 1 , the tube containing fluid flow that heats the space within the bedding via the effected heat transfer.3. The apparatus of claim 1 , wherein the heat transfer device includes a tube within or above a mattress claim 1 , the tube containing the fluid flow that chills the space ...

ACTUATOR ENCLOSURE ASSEMBLY

An actuator is usable in an airside system, waterside system, building management system, or HVAC system. The actuator includes a housing. The housing includes an enclosure having an interior surface with a channel. The channel includes a ledge portion. The channel extends through the enclosure. The actuator includes a yoke having a notch located on an external surface of the yoke. The actuator includes a locking mechanism including a ring having a tab. The tab is defined by a width of the channel and a width of the notch. Following assembly, the yoke is positioned in the enclosure such that the notch rests upon the ledge portion. Additionally, the locking mechanism is positioned on an opposite side of the enclosure with the tab positioned in the channel adjacent to the notch. As a result, the locking mechanism inhibits movement of the yoke relative to the enclosure. 1. An actuator , comprising:a housing comprising an enclosure having an interior surface including a channel with a ledge portion extending through the enclosure;a yoke having a notch located on an external surface, the yoke positioned in the enclosure with the notch resting on the ledge portion of the enclosure;a locking mechanism including a ring having a tab with a width defined by a width of the channel and a width of the notch, the locking mechanism positioned on an opposite side of the enclosure with the tab positioned in the channel adjacent to the notch and thereby inhibiting reverse rotation of the yoke.2. The actuator of claim 1 , wherein the actuator is a rotary actuator.3. The actuator of claim 1 , wherein the actuator is a linear actuator.4. The actuator of claim 1 , wherein:the enclosure includes a plurality of channels extending therethrough, each of the plurality of channels including corresponding ledge portions;the yoke has a plurality of notches on the external surface;the ring of the locking mechanism has a plurality of tabs; andeach of the plurality of notches rests upon one of the ...

Equipment Enclosure With Multi-Mode Temperature Control System

An equipment enclosure with temperature control components, an equipment enclosure temperature control unit, an equipment enclosure temperature control method, and various modular temperature control subassemblies are respectively disclosed for controlling the temperature of equipment in an equipment chamber. The temperature control components and unit may be implemented with a modular design wherein an air-conditioning unit is selectively mountable on an air handler assembly. The temperature control components and unit may support air-conditioning, free-air-cooling, free-air-cooling-with-return, and heating modes of operation. An emergency-free-air-cooling mode of operation may also be supported.

VENTILATION UNIT, SYSTEM AND METHOD

A ventilation unit is for ventilating an indoor space, and incorporates an air cleaning device and mechanical restrictor for controlling a restriction to a flow resulting from a pressure differential across the unit. There is determination of the inside and outside air pressures in the vicinity of the unit and of air quality parameters inside and outside. The air cleaning device and the mechanical restrictor are controlled in dependence on the determined air pressures and air quality parameters. This provides a fan-less, and hence low-power ventilation unit, which relies on throttling the natural air flow across the unit to provide flow control, and hence enable control of air quality. The air cleaning device may be operated only when the flow is into the inside space, saving power. 1. A ventilation unit for ventilating an indoor space by natural ventilation , comprising:a first air port for positioning outside the indoor space;a second air port for positioning inside the indoor space;an air cleaning device between the first and second air ports;a mechanical restrictor for controlling a restriction to a flow between the first and second air ports, wherein the flow results from a pressure differential between the first and second air ports;a pressure sensing arrangement for determining the air pressures or the air pressure difference in the vicinity of the first and second air ports;a first air quality determination system for determining air quality parameters relating to the space outside the indoor space;a second air quality determination system for determining air quality parameters relating to the indoor space; anda controller,wherein the controller is adapted to control the air cleaning device and the mechanical restrictor in dependence on the determined air pressures and air quality parameters.2. The unit as claimed in claim 1 , wherein the air quality parameters comprise temperature and relative humidity.3. The unit as claimed in claim 1 , wherein the air ...

SYSTEM AND METHOD FOR HEAT DISSIPATION OF STORAGE DEVICE

Embodiments of the present disclosure provide a system and method for heat dissipation of a storage device. The system comprises: a guiding rail mounted in an enclosure of the storage device; a set of fans arranged on the guiding rail and being movable on the guiding rail, the set of fans being configured to dissipate heat of a disk assembly of the storage device; and a controller configured to: obtain a temperature of the disk assembly at a first time point; and in response to the temperature of at least one disk in the disk assembly exceeding a threshold temperature, perform at least one of the following: adjusting a position of at least one of the set of fans; and increasing a rotational speed of at least one of the set of fans. 1. A system for heat dissipation of a storage device , comprising:a guiding rail mounted in an enclosure of the storage device;a set of fans arranged on the guiding rail and being movable on the guiding rail, the set of fans being configured to dissipate the heat of a disk assembly of the storage device; and obtain a temperature of the disk assembly at a first time point; and', adjusting a position of at least one of the set of fans; and', 'increasing a rotational speed of at least one of the set of fans., 'in response to the temperature of at least one disk in the disk assembly exceeding a threshold temperature, perform at least one of the following], 'a controller configured to2. The system of claim 1 , wherein the at least one fan has an electric motor mounted thereon claim 1 , the electric motor having a rotation shaft rotatable on the guiding rail and being configured to drive claim 1 , in response to receiving a control signal from the controller claim 1 , the at least one fan on the guiding rail towards the at least one disk having the temperature exceeding the threshold temperature.3. The system of claim 2 , wherein the controller is further configured to:determine a first fan from the set of fans based on a first position of the ...

VALVE ASSEMBLY WITH INTEGRATED FLOW SENSOR CONTROLLER

An actuator of an environmental control system of a building including a motor and a drive device driven by the motor and configured to drive a valve within a range of positions. The actuator includes one or more printed circuit boards including one or more processing circuits configured to obtain a raw measurement data set from transducers and generate a flow signal based on the raw measurement data set. The flow signal indicates a flow rate of a fluid through a conduit. The one or more processing circuits are configured to determine an actuator position setpoint based on a flow rate setpoint and the flow signal and operate the motor to drive the drive device to the actuator position setpoint. The motor, the drive device, and the one or more printed circuit boards are located within a common device chassis. 1. An actuator of an environmental control system of a building , the actuator comprising:a motor;a drive device driven by the motor and configured to drive a control device within a range of positions; obtain a raw measurement data set from one or more transducers;', 'generate a flow signal based on the raw measurement data set, the flow signal indicating a flow rate of a fluid through a conduit;', 'determine an actuator position setpoint based on a flow rate setpoint and the flow signal; and', 'operate the motor to drive the drive device to the actuator position setpoint;, 'a printed circuit board comprising one or more processing circuits configured towherein the motor, the drive device, and the printed circuit board are located within a common device chassis.2. The actuator of claim 1 , wherein the actuator further comprises a communications circuit configured to:receive the flow rate setpoint from an external device; andprovide the flow rate setpoint to the one or more processing circuits.3. The actuator of claim 1 , wherein the one or more processing circuits are further configured to:determine calibration settings of the one or more transducers, the ...

Cooling apparatus, control method, and storage medium

A freezer power calculation unit calculates power consumption Wc of a freezer, based on a heat exchanging amount Q of an electronic device and a performance coefficient COP_c of the freezer. An apparatus performance coefficient calculation unit calculates an apparatus performance coefficient ACOP, based on a calorific value Q of the electronic device, Wc, and power consumption Wf of an air conditioning blower unit. Note that the apparatus performance coefficient ACOP is a performance coefficient of an apparatus including an evaporator, a condenser, a heat exchanger, the freezer, and the air conditioning blower unit. A blower rotational speed control unit controls a rotational speed r of the air conditioning blower unit, based on the apparatus performance coefficient ACOP. A coolant temperature control unit controls a first coolant temperature Tin being a temperature of coolant COO flowing from the freezer, based on the apparatus performance coefficient ACOP.

METHOD AND SYSTEM FOR UTILIZING A BYPASS HUMIDIFIER FOR DEHUMIDIFICATION DURING COOLING

An HVAC system includes an indoor heat-exchange coil disposed between a supply air duct and a return air duct. A damper is disposed in a re-circulation duct and is moveable between an open position and a closed position. A controller is configured to determine if the HVAC system is operating in a heating mode or an air-conditioning mode. Responsive to a determination that the HVAC system is operating in the air-conditioning mode, the controller is configured to determine if the variable-speed indoor circulation fan is operating at a minimum speed and if the relative humidity measured by the humidity sensor is above a pre-determined threshold. Responsive to a determination that the variable-speed indoor circulation fan is operating at the minimum speed and the relative humidity of the enclosed space is above the pre-determined threshold, the controller signals the damper to move to the open position. 1. A heating , ventilation , and air conditioning (HVAC) system comprising:an indoor heat-exchange coil disposed between a supply air duct and a return air duct;a re-circulation duct that fluidly couples the supply air duct and the return air duct;a damper disposed in the re-circulation duct, the damper being moveable between an open position and a closed position;a variable-speed indoor circulation fan for circulating air around the indoor heat-exchange coil;a variable-speed compressor fluidly coupled to the indoor heat-exchange coil;a controller operatively coupled to the variable-speed compressor, the variable-speed indoor circulation fan, and the damper;a humidity sensor disposed in an enclosed space, the humidity sensor being configured to measure a relative humidity in the enclosed space;wherein the controller is configured to:determine if the HVAC system is operating in a heating mode or an air-conditioning mode;responsive to a determination that the HVAC system is operating in the heating mode, signal the damper to move to the open position;responsive to a ...

Systems and methods for damper performance diagnostics

A computerized method for diagnosing a damper condition in a flow control unit includes providing a control signal to a damper. The control signal instructs the damper to move into a target position or to achieve a target flow rate through the flow control unit. The method further includes receiving pressure information including one or more pressure measurements from a differential pressure sensor of the flow control unit and using the pressure information and the control signal to conduct a damper performance diagnostic. The damper performance diagnostic includes at least one of: a stuck damper diagnostic, a predictive damper failure diagnostic, an improperly-sized damper diagnostic, and a damper leakage diagnostic.

CASCADED INDOOR AIR QUALITY AND OUTDOOR AIR FLOW ECONOMIZER SYSTEM

A controller for an economizer that provides outdoor air to a conditioned space. The controller includes an error calculator configured determine an indoor air quality (IAQ) setpoint error based on an actual IAQ and an IAQ setpoint, an outdoor air flow (OAF) setpoint adjuster configured to determine an adjusted OAF setpoint based on at least one of the IAQ setpoint error, an initial OAF setpoint, and an OAF setpoint upper limit, and a proportional variable deadband controller (PVDC) configured to adjust an operational deadband of the economizer and adjust an operation of at least one of an actuator and a damper of the economizer to achieve the adjusted OAF based on at least one of an actual OAF and the adjusted OAF setpoint. Achieving the adjusted OAF drives the actual IAQ to the IAQ setpoint. 1. A controller for an economizer that provides outdoor air to a conditioned space , the controller comprising:an error calculator configured determine an indoor air quality (IAQ) setpoint error based on an actual IAQ and an IAQ setpoint;an outdoor air flow (OAF) setpoint adjuster configured to determine an adjusted OAF setpoint based on the IAQ setpoint error and a first OAF setpoint; anda control configured to control the economizer and adjust an operation of at least one of an actuator and a damper of the economizer to achieve the adjusted OAF based on at least one of an actual OAF and the adjusted OAF setpoint.2. The controller of claim 1 , wherein the controller is further configured to receive information from one or more sensors claim 1 , wherein the one or more sensors are configured to measure at least one of the actual IAQ and the actual OAF of the conditioned space and the received information comprises a signal associated with at least one of the actual IAQ and the actual OAF and the error calculator is configured to determine the IAQ setpoint error by calculating a difference between the IAQ setpoint and the actual IAQ.3. The controller of claim 1 , wherein the ...

VENTILATION CONTROL APPARATUS AND VENTILATION SYSTEM

A ventilation device control apparatus includes an image acquisition unit, a first calculation unit, and a ventilation control unit. The image acquisition unit acquires a captured image from an image capturing device that captures an image of a target space. The first calculation unit calculates a metabolic rate equivalent amount of a person in the target space, based on the captured image acquired by the image acquisition unit. The ventilation control unit adjusts a ventilation volume of the target space by a ventilation device that ventilates the target space, based on the metabolic rate equivalent amount calculated by the first calculation unit. A ventilation system further includes the image capturing device and the ventilation device. 1. A ventilation device control apparatus comprising:an image acquisition unit configured to acquire a captured image from an image capturing device that captures an image of a target space;a first calculation unit configured to calculate a metabolic rate equivalent amount of a person in the target space, based on the captured image acquired by the image acquisition unit; anda ventilation control unit configured to adjust a ventilation volume of the target space by a ventilation device that ventilates the target space, based on the metabolic rate equivalent amount calculated by the first calculation unit.2. The ventilation device control apparatus according to claim 1 , wherein to determine at least one of age, gender, and a body type of the person in the target space as an attribute of the person in the target space based on the captured image acquired by the image acquisition unit, and', 'to calculate the metabolic rate equivalent amount based on a determination result of the attribute., 'the first calculation unit is further configured'}3. The ventilation device control apparatus according to claim 2 , wherein to determine all of age, gender, and a body type of the person in the target space as the attribute of the person in ...

EXTREMUM-SEEKING CONTROL SYSTEM WITH SATURATION CONSTRAINTS

An extremum seeking controller includes a processing circuit configured to modulate a manipulated variable provided as an input to a plant using an extremum-seeking control technique to drive a gradient of an objective function with respect to the manipulated variable toward an extremum. The objective function includes a performance variable characterizing a performance of the plant responsive to the manipulated variable. The objective function also includes a saturation adjustment term that becomes active as the plant approaches a saturation point and remains active as the plant operates within a saturated region past the saturation point. The saturation adjustment term causes the processing circuit to adjust the manipulated variable toward a value of the manipulated variable that returns the plant from the saturated region to a non-saturated region. 1. An extremum-seeking controller comprising a processing circuit configured to:modulate a manipulated variable provided as an input to a plant using an extremum-seeking control technique to drive a gradient of an objective function with respect to the manipulated variable toward an extremum; a performance variable characterizing a performance of the plant responsive to the manipulated variable; and', 'a saturation adjustment term that becomes active as the plant approaches a saturation point and remains active as the plant operates within a saturated region past the saturation point, the saturation adjustment term causing the processing circuit to adjust the manipulated variable toward a value of the manipulated variable that returns the plant from the saturated region to a non-saturated region., 'wherein the objective function comprises2. The controller of claim 1 , wherein the saturation adjustment term is based on both:a value of a saturation variable affected by the manipulated variable and capable of becoming saturated at a subset of values of the manipulated variable; anda value of the manipulated variable at ...

AIR-CONDITIONING APPARATUS

An air-conditioning apparatus includes a fan configured to send air to an air-conditioned space, a fan motor configured to drive the fan, a duct having a plurality of air outlets, the air sent by the fan flowing through the duct, a detection unit configured to detect an air flow rate of the fan, a damper provided to each of the plurality of air outlets, and a fan motor control unit configured to control a rotation speed of the fan motor such that the air flow rate assumes a constant value relative to variations in an opening degree of the damper of a plurality of dampers. 1. An air-conditioning apparatus comprising:a fan configured to send air to an air-conditioned space;a fan motor configured to drive the fan;a duct having a plurality of air outlets, the air sent by the fan flowing through the duct;a detection unit configured to detect an air flow rate of the fan;a damper provided to each of the plurality of air outlets;an opening/closing sensor provided to each of the plurality of dampers, and configured to detect the opening degree of the damper;a processor configured to execute processes in accordance with a program; anda memory configured to store the program,the memory being configured to store static pressure relationship information showing a relationship among static pressure of the fan, the air flow rate, and the rotation speed of the fan motor, and a reference air flow rate corresponding to the opening degree to be set for each of the dampers;the processor being configured toobtain a rotation speed of the fan motor that makes the air flow rate constant by changing the reference air flow rate based on the static pressure relationship information stored by the memory upon a variation in an opening degree of the plurality of dampers detected by the plurality of the opening/closing sensors, andcontrol a rotation speed of the fan motor such that the rotation speed of the fan motor corresponds to the rotation speed of the fan motor obtained by the calculation ...

Systems and methods for implementing a fan array with quick connect and modular control

A fan array is provided having a frame including a plurality of frame members. The frame members are joined to define a plurality of chambers. Each of a plurality of fan units is configured to be positioned in one of the plurality of chambers. Each fan unit has a motor. A plurality of local motor controllers are joined to corresponding motors. The local motor controllers are configured to control an operation of the corresponding fan unit. A master controller is configured to communicate with the local motor controllers. The master controller is configured to provide the local motor controllers with target operating parameters for the corresponding fan units.

Diffuser, air treating plant comprising said diffuser and use of said diffuser for treating air

A diffuser for air treating plants that includes a channel having a lateral wall axially extending between upper and a lower end portions defining in the interior thereof a chamber for the passage of an air flow, an inlet configured for introducing air into the chamber, a plurality of throwing through openings defined on the lateral wall for putting in fluid communication the chamber with the outer environment, a plurality of induction through openings defined on the lateral wall for putting in fluid communication the chamber with the outer environment. A predetermined number of throwing through openings of the plurality is spaced from a predetermined number of induction through openings of the plurality along a direction parallel to the axial extension of the channel; the predetermined number of throwing through openings has an air passage cross-section greater than an air passage cross-section of the predetermined number of induction through openings.

Control Valve

Various embodiments include a control valve comprising a first valve assembly between an inlet and an outlet. The first valve assembly comprises: a valve seat fixed relative to the valve body with an opening in a sidewall; a slider rotating inside the valve seat to block the opening, but stationary in an axial direction; a regulating valve plug with an opening at one end, surrounding the valve seat and movable in the axial direction to block the opening in the sidewall of the valve seat; and a first valve stem connected to the slider and to the regulating valve plug, the first valve stem having one end extending out of the valve body. A first overlap between the slider and the opening and a second overlap of the plug and the opening are changed by movement of the first valve stem. 1. A control valve for controlling a flow rate of a fluid in a fluid passage , the control valve comprising:a valve body defining an internal cavity having an inlet passage and an outlet passage;a first valve assembly disposed between the inlet passage and the outlet passage; a valve seat in the shape of a cylinder having an opening at one end, the valve seat fixed relative to the valve body, with a circumferentially extending opening in a sidewall of the valve seat;', 'a slider disposed inside the valve seat and movable in a circumferential direction of an inner wall of the valve seat to partially or completely block the opening in the sidewall in the circumferential direction, but stationary relative to the valve seat in an axial direction;', 'a regulating valve plug in the shape of a cylinder having an opening at one end, arranged to surround the valve seat and movable in the axial direction to partially or completely block the opening in the sidewall of the valve seat in the axial direction; and', 'a first valve stem connected to the slider and to the regulating valve plug, the first valve stem having one end extending out of the valve body;, 'wherein the first valve assembly ...

AIR CONDITIONER SYSTEM AND A CONTROL METHOD FOR THE SAME

The present disclosure provides an air conditioner system and a control method for the same. The air conditioner system includes: a refrigeration system. A first port of a second four-way valve is connected to a pipeline between the first four-way valve and the indoor heat exchanger, and a second port of a second four-way valve is connected to a first position in a pipeline between the indoor heat exchanger and the outdoor heat exchanger. A first port of the first passage of an auxiliary heat exchanger is in communication with a fourth port of the second four-way valve, and a second port of the first passage is connected to a second position in a pipeline between the indoor heat exchanger and the outdoor heat exchanger. 1. An air conditioner system , comprising:a refrigeration system including at least a compressor, a first four-way valve, an outdoor heat exchanger, and an indoor heat exchanger;a second four-way valve, a first port of which is connected to a pipeline between the first four-way valve and the indoor heat exchanger, and a second port of which is connected to a first position in a pipeline between the indoor heat exchanger and the outdoor heat exchanger;an auxiliary heat exchanger having a first passage and a second passage, wherein a first port of the first passage is in communication with a fourth port of the second four-way valve, a second port of the first passage is connected to a second position in a pipeline between the indoor heat exchanger and the outdoor heat exchanger, a first port of the second passage is connected to a third position in the pipeline between the indoor heat exchanger and the outdoor heat exchanger, and a second port of the second passage is connected to any position in a pipeline between the outdoor heat exchanger and a return-air inlet of the compressor;a first throttle component disposed in a pipeline between the second port of the first passage and the second position, or in a pipeline disposed between the first port of ...

ACTUATOR SLIPPAGE SENSOR

An actuator is designed to control airflow in HVAC systems by opening and closing a damper. A slippage detector may be secured to a damper shaft to measure movement of the damper shaft. This measured movement may be compared to the expected movement of the damper shaft as indicated by the movement of a rotatable output of the actuator. 1. A slippage detector for detecting a slippage between a rotatable output of an actuator and a rotatable input shaft of a building component , the slippage detector comprising:a body that houses a motion sensor, a transmitter and electronics;a securement configured to secure the body to a rotatable input shaft of a building component so that, once secured, the body rotates with the rotatable input shaft of the building component;the motion sensor configured to detect rotation of the body, and thus rotation of the rotatable input shaft of the building component when the body is secured to the rotatable input shaft of the building component via the securement;the electronics operatively coupled to the motion sensor for receiving a motion sensor output signal from the motion sensor that is representative of rotation of the body; anda transmitter operatively coupled to the electronics for transmitting an output signal that is representative of rotation of the body.2. The slippage detector of claim 1 , wherein the securement includes a fastener that is configured to form an interference connection with the rotatable input shaft of the building component.3. The slippage detector of claim 2 , wherein the fastener comprises a screw claim 2 , and the body includes threads for receiving the screw.4. The slippage detector of claim 1 , wherein the body includes an aperture that is configured to allow the rotatable input shaft of the building component to pass through the aperture of the body.5. The slippage detector of claim 4 , wherein the securement includes a fastener that is configured to form an interference connection with the rotatable ...

VENTILATING FAN

A ventilating fan, includes a humidity sensor box, provided with an air inlet in a bottom surface facing an suction opening and an air outlet in a top surface opposite to the bottom surface; a humidity sensor located inside the humidity sensor box and adapted to detect the humidity of the air passing through the humidity sensor box; and a humidity sensor circuit board located inside the humidity sensor box, disposed perpendicular to the bottom surface and adapted to control the humidity sensor. The air may flow at a high speed in the humidity sensor box, and it is easy for the water vapor to be taken out of the humidity sensor box without being accumulated inside the humidity sensor box, thereby suppressing the influence of the water vapor or the water droplet on the humidity sensor and enabling the humidity sensor to accurately detect the indoor humidity. 1. A ventilating fan , comprising:a frame provided with a suction opening;a louver provided with an air intake for allowing air to enter into the frame;wherein the ventilating fan further comprising:a humidity sensor box provided with an air inlet in a bottom surface facing the suction opening and an air outlet in a top surface opposite to the bottom surface;a humidity sensor, located inside the humidity sensor box and adapted to detect the humidity of the air passing through the humidity sensor box; anda humidity sensor circuit board located inside the humidity sensor box, disposed perpendicular to the bottom surface and adapted to control the humidity sensor.2. The ventilating fan according to claim 1 , wherein a sensing surface of the humidity sensor configured to detect the humidity of the air is perpendicular to the bottom surface.3. The ventilating fan according to claim 1 , wherein the humidity sensor box comprises a box body and a box lid claim 1 ,the box body is provided with an opening at a bottom surface side,the box lid comprises an inner box lid provided at a box body side and covering the opening, ...