灯杆型材（如意）

SELF-CALIBRATION METHOD AND APPARATUS FOR DEVICE WITH TOUCH SWITCH

A self-calibration method for a device with a touch switch. The device comprises a touch detecting module (U1) suitable for detecting the touch switch. The method comprises: (S3) when the device is in a normal working state and the touch detecting module (U1) does not detect a touch signal of the touch switch within a first preset time, switching the device into a sleep state; and (S4) within a second preset time after the device is switched into the sleep state, when the touch detecting module (U1) detects that the touch switch is in an activated state, re-powering on the touch detecting module (U1), and then enabling the device to enter a sleep state. Also provided is a self-calibration apparatus for a device with a touch switch.

路灯（莲）

Bionic robotic fish underwater docking method based on pectoral fin rising and submerging structure

A bionic robotic fish underwater docking method based on a pectoral fin rising and submerging structure comprises the steps that vertical rising or falling of a bionic robotic fish is controlled through the resistance difference perpendicular to the pectoral fin face generated in the up-down swinging process of pectoral fins, the bionic robotic fish is controlled to vertically rise to the bottom of an underwater vehicle during docking, and pre-tightening force is further generated; after the vacuum suction cup of the bionic robotic fish is in full contact with the bottom of the underwater vehicle, water in the vacuum suction cup is discharged, and underwater butt joint is achieved; and during separation, water is injected into the vacuum suction cup to eliminate the internal and external pressure difference, the bionic robotic fish is controlled to vertically descend, and separation of the bionic robotic fish and the underwater vehicle is achieved. The method is easy to control, low in ...

Backlight brightness adjusting method and device and display

The embodiment of the invention provides a backlight brightness adjusting method and device and a displayer, and the method comprises the steps: obtaining a to-be-displayed gray scale of a backlight plate and a first preset gamma curve, and enabling the first preset gamma curve to be a predetermined gamma curve of the gray scale and brightness parameters of the backlight plate; querying the first preset gamma curve, and determining a brightness parameter corresponding to the to-be-displayed gray scale to obtain a first brightness parameter; and adjusting the backlight brightness of the backlight plate according to the first brightness parameter. The brightness parameter corresponding to the to-be-displayed gray scale is determined by using the first preset gamma curve to obtain the first brightness parameter, and the backlight brightness of the backlight plate is adjusted according to the first brightness parameter, so that the change trend of the backlight brightness of the backlight plate ...

OUTPUT CONTROL METHOD, DEVICE, DISPLAY CONTROL METHOD AND SYSTEM OF GESTURE SENSING DEVICE

The present invention relates to an output control method, device, display control method and system of gesture sensing device. The output control method of the gesture sensing device comprises: obtaining displacement variation and moving speed of a movement by using an inertia device; carrying out the first processing that altering the displacement variation to reduce the length of the moving track formed on the basis of the displacement variation when the moving speed is less than the first threshold value, and outputting the displacement variation after the first processing; carrying out the second processing that altering the displacement variation to reduce the amplitude of the moving track formed on the basis of the displacement variation when the moving speed is greater than the second threshold value, and outputting the displacement variation after the second processing; the second threshold value is greater than the first threshold value; otherwise outputting the obtained displacement ...

Movable grounding device for building

The utility model discloses a movable grounding device for building, which comprises a conductive bottom plate, a conductive rod and a grounding wire, an insulating plate is arranged above the conductive bottom plate, the insulating plate is detachably connected with the conductive bottom plate through two magnetic connecting pieces, the middle part of the insulating plate is provided with a conductive rod through hole, and the conductive rod through hole is connected with the grounding wire. The conducting rod is installed in the conducting rod penetrating hole through a locking mechanism, the upper end of the conducting rod is higher than the upper end face of the insulating plate, the lower end of the conducting rod is tightly attached to the upper end face of the conducting bottom plate, a pressing piece is arranged on the conducting rod, and the grounding wire is arranged between the pressing piece and the locking mechanism. According to the utility model, the grounding wire is connected ...

VOLTAGE DETECTION APPARATUS AND METHOD

A voltage detection apparatus and method. The apparatus comprises: a first terminal (1) and a second terminal (2) which are connected to two ends of a voltage source to be tested (VDD) respectively, a first divider resistor (R201) and a second divider resistor (R202) which are connected in series between the first terminal (1) and the second terminal (2), a detection device (MCU (1)), a reference voltage source, a first arithmetic unit (F1) and a second arithmetic unit (F2). The method includes: enabling the voltage source to be tested (VDD) to suspend working; providing a reference voltage, and according to the resistance values of the first divider resistor (R201) and the second divider resistor (R202) and a first partial voltage value acquired by the detection device (MCU (1)) at this moment, obtaining the internal resistance value of the detection device (MCU (1)); and enabling the voltage source to be tested (VDD) to resume working, and according to the internal resistance value, the ...

METHOD AND APPARATUS FOR SEEKING REMOTE CONTROL DEVICE, STORAGE MEDIUM, TERMINAL DEVICE, AND REMOTE CONTROL DEVICE

A method and an apparatus for seeking a remote control device, and a storage medium, a terminal device, and a remote control device, the method comprising: entering a first state amongst a sending state or a receiving state (S11); establishing a connection relationship with a remote control device, the remote control device being in a second state amongst the sending state or the receiving state, and the second state being different to the first state (S12); and, in response to a received first external command, sending a seeking command to the remote control device, in order to instruct the remote control device to emit warning information (S13). The remote control device can thus be found without relying entirely on the controlled device.

METHOD FOR SEARCHING FOR REMOTE CONTROL DEVICE, INTELLIGENT TERMINAL, SERVER, AND REMOTE CONTROL DEVICE

A method for searching for a remote control device, an intelligent terminal, a server, and the remote control device. The method for searching for the remote control device comprises: receiving a user instruction, the user instruction comprising name information of a remote control device; sending a query instruction comprising the name information to a server, the server storing a correspondence between the name information of the remote control device and an identity identifier; determining the remote control device to be searched; and broadcasting a searching instruction by means of a second protocol, the searching instruction comprising a warning instruction and the identity identifier of said remote control device, so as to drive the remote control device to send out warning information. In the technical solutions of the present invention, the remote control device can communicate with a target control device by means of a first protocol, and communicate with the intelligent terminal ...

METHOD AND DEVICE FOR DETERMINING BOUNDARIES OF GAME SPACE AREA AND MOTION SENSING GAME SYSTEM

A method and device for determining the boundaries of a game space area, and a motion sensing game system. The method and device for determining the boundaries of a game space area are applied to motion sensing games. The method comprises: determining an initial point in the game display area, and the corresponding initial point position information of the initial point in the game space area; moving a motion sensing control device from the initial position of the motion sensing control device in order to move points, correspondingly displayed in the game display area, to the boundary points of the game display area; obtaining the corresponding position information of the boundary points in the space area according to geomagnetic information of the motion sensing control device located at the positions corresponding to the boundary points, wherein the geomagnetic information being obtained from a geomagnetic sensor of the motion sensing control device; and determining the boundaries of ...

FILE OPENING TOOL RECOMMENDING CLIENT, SERVER, SYSTEM AND METHOD

Disclosed are a file opening tool recommending client, server, system and method. The client includes: a receiver for receiving a file opening instruction; a display; and a processor for executing the following operations of: invoking a corresponding application APP to open a file according to the file opening instruction; where the APP does not exist in the client, extracting an MIME type or suffix of the file; determining an APP supporting the MIME type or suffix; and pushing the APP supporting the MIME type or suffix on the display. By means of the technical solution, where a file cannot be opened due to a lack of a corresponding APP in a client, a user can obtain recommended APPs on a display of the client, and the user can choose an APP from the recommended APPs to download and use the downloaded APP to open a file to be opened, thereby bringing convenience to the user.

METHOD OF SENDING MOUSE DATA BY SPACE MOUSE, AND METHOD OF CONTROLLING MOVEMENT OF MOUSE POINTER

A method of sending mouse data by a space mouse, and a method of controlling movement of a mouse pointer. The method of controlling movement of a mouse pointer comprises: after receiving a first triggering signal, sending mouse data to a terminal until a second triggering signal is received, the first triggering signal and the second triggering signal being generated based on a key-pressing operation on the space mouse; after the second triggering signal is received, stopping sending mouse data to the terminal until the first triggering signal is received; the terminal receiving mouse data sent by the space mouse; and the terminal controlling, based on the received mouse data, movement of the mouse pointer on the screen. The mouse data is the space mouse data or the mouse pointer data. Based on the method of controlling movement of a mouse pointer, the space mouse can implement continuous control on the mouse pointer in any scenario, thereby facilitating an actual application of a user.

Heat distribution pipeline leakage detecting and positioning method and system based on mathematical model

The invention provides a heat distribution pipeline leakage detection positioning method and system based on a mathematical model, and the method comprises the following steps: 1, setting a plurality of detection points on a to-be-detected heat distribution pipeline, respectively obtaining the performance parameter of each detection point position and the performance parameter of the surrounding environment of each detection point position, forming a detection value and detection time corresponding to each detection point position; step 2, comparing the obtained detection value and detection time corresponding to the position of each detection point with corresponding preset values in a preset expert database, and judging the leakage point of the to-be-detected heat distribution pipeline according to a comparison result; according to the method, the position of the leakage point can be more accurately judged, and the defect of inaccurate positioning in leakage detection of the heat distribution ...

Direct supply and water mixing coupling heat exchange station optimization system capable of carrying various heat users

The invention discloses a direct supply and water mixing coupling heat exchange station optimization system capable of carrying various heat users, which comprises a first-network water supply and return system, a plate heat exchanger and a second-network water supply and return system, the two-network water supply and return system is connected with a plurality of direct supply area users; the one-network water supply and return system is divided into two paths, one path is connected with one side of the plate heat exchanger, and the other path is connected with users in the wharf sale area; the other side of the plate heat exchanger is connected with a two-network water supply and return system; according to the system, heat supply and demand dynamic balance of a direct supply area and a wharf sale area in the same heat supply network at different temperatures can be maintained, the problem that adjustment of the wharf sale area and heat supply index changes of the direct supply area ...

Central heating pipe network temperature compensation system and method for partition heating

The invention discloses a central heating pipe network temperature compensation system and method for partition heating. The central heating pipe network temperature compensation system comprises a renewable energy source temperature compensation system, a direct supply area circulating water system and a wharf sale area circulating water system. A renewable energy source temperature compensation system composed of a groove type solar heat collection loop, a solar photovoltaic panel and a heat storage tank is additionally arranged in a heat supply network for direct supply and wharf sale coupling heat supply, the problem that the water supply temperature of users in a wharf sale area is not matched with that of a direct supply area can be solved, secondary temperature rising is conducted on water supply of a second network of the wharf sale area, decoupling operation of the direct supply area of the wharf sale area is achieved, and the wharf sale area is protected. The problem of heat imbalance ...

Lightweight event management method and system based on AMQP protocol

The invention discloses a lightweight event management method and system based on an AMQP protocol, and the method comprises an event production management method and/or an event consumption management method, and the event production management method comprises the following steps: obtaining a sending request sent by a client; configuring an event management node for the client according to the sending request; the event management node receives an event sent by a client; the event consumption management method comprises the following steps: acquiring a subscription request sent by a client; configuring a subscription queue for an event management node corresponding to the client according to the subscription request; according to a subscription event in the subscription request, whether an event capable of being distributed exists in a memory is judged, and if yes, all messages of the event are pushed to a corresponding subscription queue on an event management node; and the event management ...

PCD cutter machining device

The utility model relates to a processing device of a PCD cutter, the processing device of the PCD cutter comprises a platform motion module, a clamping and positioning mechanism, a laser system and a CCD identification and positioning system, the clamping and positioning mechanism is arranged on the platform motion module and is provided with at least one assembling groove for clamping and positioning at least one PCD cutter; the laser system is arranged to be used for emitting laser beams; the CCD identification and positioning system is arranged on the laser system and can be in communication connection with the platform motion module, and the CCD identification and positioning system can identify the position of the PCD cutter and control the movement of the platform motion module according to the relative distance between the CCD identification and positioning system and the laser system; therefore, the clamping and positioning mechanism arranged on the platform motion module is moved ...

Constant-speed control air floatation workbench

The invention discloses a constant-speed control air floatation workbench, and belongs to the field of geometric quantities. The device comprises a bottom sliding assembly, a high-speed speed regulation assembly and a light equipment mounting table; the bottom sliding assembly is installed on the top face of the marble guide rail, and the bearing transmission function combining linear motor driving with air floatation transmission is achieved. The high-speed speed regulation assemblies are installed on the two sides of the bottom sliding assembly and are driven by a motor to be jacked open and telescopically jacked by an air cylinder, overall change of the posture is achieved, and adjustment of the load in high-speed operation is achieved. And the light equipment mounting table is mounted above the bottom sliding assembly and is used for arranging a measured target and the camera assembly and carrying an interferometer measurement reflecting mirror to realize calibration measurement. The ...

Mining belt conveyor belt operation fault monitoring device

The invention relates to a belt operation fault monitoring device for a mining belt conveyor. The belt operation fault monitoring device comprises a rack, a motor, a driving roller, a driven roller, a belt, a plurality of pressure sensing assemblies and a controller. The driven roller comprises a roller, two connecting circular plates and a connecting shaft, connecting holes are formed in the centers of the two connecting circular plates, the two connecting circular plates are fixed to the connecting shaft in a sleeving mode, flange plates are fixed to the two ends of the roller, and the two connecting circular plates are detachably connected to the two flange plates correspondingly; the pressure sensing assemblies are located in the roller and detachably connected to the connecting shaft through connecting pieces, a plurality of needle holes are formed in the roller, and ejector pins of the pressure sensing assemblies can penetrate out of the needle holes or retract into the roller; the ...

Pneumatic high-precision inductive displacement sensor

The invention discloses a pneumatic high-precision inductive displacement sensor, and belongs to the field of geometric quantity calibration. The device comprises a measuring head assembly, a guide assembly, a reset assembly, a coil assembly and a pneumatic assembly. The measuring head assembly is mounted at the bottom of the guide assembly and is in spherical contact with the measured piece; the guide assembly realizes the functions of guiding and air tightness; the spring force generated by the reset assembly enables the guide rod to move axially without rotation, thereby ensuring that the standard measuring head is in full contact with a measured surface, and realizing high-precision reset. The coil assembly converts the displacement into inductance, and output and conversion of the displacement are achieved. The pneumatic assembly forms an air cavity, the guide rod moves upwards during external air supply, and the guide rod moves downwards under the action of the reset assembly after ...

Angular displacement sensor positioning and measuring device

The invention discloses an angular displacement sensor positioning and measuring device, and belongs to the field of geometric quantities. The device is mainly composed of a high-precision overturning platform, a high-precision air floating rotary table, a positioning chuck and a sensor measuring tool. The high-precision overturning platform is fixed to the foundation platform through the three leveling bases fixed to the bottom, leveling is achieved through adjustment of the leveling screws connected with the leveling bases, and the high-precision overturning platform is locked through the locking nuts to be stable. The high-precision air floating rotary table is installed at the position of a center shaft of the high-precision overturning platform, and rotation of the rotary table at the angle of 0-360 degrees is achieved through an electric control system. According to the invention, a high-precision air floating turntable is used as a measurement standard, and stable installation and ...

Testing device and method for monitoring belt operation of belt conveyer

The invention discloses a testing device and method for monitoring belt operation of a belt conveyor, and relates to the field of belt conveyors, and the testing device comprises a testing machine frame, a driving assembly, a lifting assembly, and an array sensor group. A belt is fixed in the testing machine frame through a belt tensioning part; the driving assembly is arranged below the belt; the lifting assembly is fixedly connected to the top face of a driving block in the driving assembly. The array sensor group comprises a double-layer frame, a sensor, a sliding sleeve and an ejector pin; the double-layer frame is fixed to the top face of the lifting assembly. The plurality of sensors are fixed on the lower-layer plate surface of the double-layer frame; the sliding sleeves are in one-to-one correspondence with the sensors and are fixed on the upper-layer plate surface of the double-layer frame; the ejector pin is slidably connected to the inner side of the sliding sleeve, the top end ...

Temperature compensation method and system for direct supply and wharf sale partition heat supply

The invention discloses a temperature compensation system and method for direct supply and wharf sale partition heat supply, and the system comprises a temperature compensation system, a two-network direct supply area circulating water system, and a two-network wharf sale area water supply and return system. The temperature compensation system is connected with the water supply side of the wharf sale area circulating water system; the second-network direct supply area circulating water system and the second-network wharf sale area water supply and return system are connected with the first-network water circulating system through a plate heat exchanger; the temperature compensation system comprises a wind driven generator, an electric boiler and a heat storage tank; the problem that wind power generation set output conflicts with heat vacancy in time due to intermittency and instability of wind energy heat supply is solved, the economical efficiency of a central heating system is improved ...

Electronic equipment, control method thereof and storage medium

The invention discloses electronic equipment, a control method thereof and a storage medium. The electronic equipment comprises a controller and a plurality of hardware installation units, wherein the hardware installation unit is suitable for installing a corresponding hardware module; the controller comprises a control unit and a plurality of software function units connected with the control unit. The software function units are in one-to-one correspondence with the hardware installation units; the control unit is suitable for detecting whether the nth hardware module is installed on the nth hardware installation unit or not, and triggering the nth software function unit to be matched with the nth hardware module when it is determined that the nth hardware module is installed on the nth hardware installation unit, so that corresponding functions are achieved. By adopting the scheme, the development time of the electronic equipment can be shortened, and the development progress is improved ...

Endoscope and endoscope system using same

The invention relates to the technical field of medical instruments, and provides an endoscope and an endoscope system using the same. Comprising a handle, the front end of a handle body of the handle is connected with a mirror tube, the rear end of the handle body is connected with a line tube, a water pipe extends to the mirror tube through the line tube and the handle body, the first water outlet end of the water pipe is located at the front end of the mirror tube, and the first water inlet end of the water pipe is located outside the line tube or the handle; a first camera is arranged in the center of the front end of the mirror tube, a water pipe is formed between a line pipe of the first camera and the side wall of the mirror tube, a supporting piece is arranged between the first camera and the side wall of the mirror tube, and the supporting piece is located at the front end of the mirror tube. The endoscope has the advantages that the water pipe is formed between the line pipe of ...

METHOD FOR PREPARING FUNCTIONAL CELLULOSE CAPABLE OF INCREASING EFFECTIVE CONTENT OF FUNCTIONAL MATERIALS

The present invention provides a method for preparing functional cellulose capable of greatly increasing the effective content of functional materials in fibers. In a cellulose material product obtained according to the method, functional materials account for 5-60% of a relative product mass ratio, or even more, which generally can reach 15% or more or 30% or more. The functional cellulose prepared accordingly can be greatly improved in effects, such as flame retardance, bacteriostasis, moisturizing, skin care, beauty, heat storage and release, aroma, catalysis, and inhibition due to the high content of the functional materials. The method according to the present invention has widely available raw materials, is environmentally friendly during the whole process, is easy to industrial production, and can be applied to fields such as textile manufacturing, medicine, cosmetics, and agriculture.

SERVER, METHOD AND SYSTEM FOR PROVIDING SERVICE DATA

One embodiment of the present invention relates to the field of computers. Disclosed are a server, method and system for providing service data. The server comprises: a receiving device for receiving a data read request from a client, and a processing device for searching a local cache for data requested by the data read request and executing one of the following: where the data is found, sending the data from the local cache to the client, and where the data is not found, searching a cluster cache for the data and sending the data to the client. Since a data access speed of a local cache is much higher than that of a cluster cache, a response speed of a server to a data read request can be greatly increased.

Negative pressure flash evaporation sewage source heat pump coupling solar distributed heat supply system and method

The invention discloses a negative pressure flash evaporation sewage source heat pump coupling solar distributed heat supply system and method. The system comprises a compression heat pump, a solar heat collector and a flash evaporation tank; the compression heat pump comprises a condenser and an evaporator, and the working medium side of the condenser is connected with the solar heat collector in parallel; a compressor is arranged on a working medium side of the condenser and an inlet parallel main pipe of the solar heat collector; the working medium side of the condenser is connected with the outlet parallel mother pipe of the solar heat collector and the working medium side of the evaporator; an inlet of the evaporator is connected with the steam side of the flash tank through a pipeline, the solar heat collector is used as heat source supplement, the system operation cost and the pollutant discharge amount are reduced, the flash tank is used for preparing negative pressure steam, the ...

Water-saving irrigation device

The invention discloses a water-saving irrigation device, and relates to the field of irrigation. Comprising a rainwater collecting bin, a water purifying device, a sprinkling irrigation device and a drip irrigation device which are sequentially communicated through a pipeline, a settling part and a processing part which are communicated are arranged in the water purifying device from top to bottom, an overflow discharge port is formed in the upper end of the settling part and communicated with a chemical feeding pipe, and the tail end of the chemical feeding pipe is connected with a water distributing pipe through a pressure pump; one end of the distributive pipe is communicated with the sprinkling irrigation device through the first water inlet adjuster, and the other end is communicated with the drip irrigation device through the second water inlet adjuster; the side wall of the dosing pipe is communicated with a water inlet branch pipe and a water outlet branch pipe respectively, the ...

Heat supply pipeline leakage detection method and device based on soil temperature field change

The invention provides a heat supply pipeline leakage detection method and device based on soil temperature field change, and the device comprises a test model which is used for simulating the influence of heat dissipation or leakage of an actual buried heat supply pipeline on a soil temperature field above the buried heat supply pipeline; the data acquisition unit is used for acquiring temperature information of soil above the buried heat supply pipeline in the test model; the main control unit is used for establishing a detection characteristic data set according to the collected temperature information, comparing the detection characteristic data set with the detection information of the to-be-detected heat supply pipeline, and further judging whether the to-be-detected heat supply pipeline leaks or not; the method is high in detection efficiency, accurate in detection result, remarkable in effect and convenient to popularize.

MOVING PLATFORM AND SUITCASE COMPRISING SAME

A moving platform, as well as a suitcase comprising the same, comprises a power wheel module (902). The power wheel module (902) includes a driving wheel (2). The driving wheel (2) is movable between a raised position and a lowered position. When the driving wheel (2) is in the raised position, the driving wheel (2) is brought out of contact with the plane (904) on which a driven wheel module rolls. When the driving wheel (2) is in the lowered position, the driving wheel (2) is brought into contact with the plane (904) on which the driven wheel module rolls. The driving wheel (2) can be raised and lowered, so that the propulsion mode of the moving platform can be timely and conveniently switched on and off. When the driving wheel (2) is lowered, the moving platform can drive itself to move without an external force. By means of differential control between two of the driving wheels (2), the moving direction and speed of the moving platform can be controlled.

Method and system for cutting fluorescent sheet by laser

The invention discloses a method and system for cutting a fluorescent sheet through laser. The method comprises the steps that a blue film covers one surface of a fluorescent sheet with an upper surface and a lower surface which are opposite, the fluorescent sheet covered with the blue film is placed on a processing platform, the surface covered with the blue film faces the processing platform, and the other surface of the fluorescent sheet is back to the processing platform; a laser is emitted through a laser device, the laser enters a galvanometer through an optical lens, a motor of the galvanometer controls the motion trail of the laser by controlling swinging of a lens of the galvanometer, and the laser acts on a fluorescent sheet on a machining platform after being focused through a focus lens so as to cut and machine the fluorescent sheet. The technical problems that due to water jet cutting, the cutting seam of the fluorescent piece is wide, consumed materials are large, and the ...

Operation fault monitoring device for steel wire rope belt on mining conveyor

The invention relates to a steel wire rope belt operation fault monitoring device on a mining conveyor, which comprises a rack, a motor, a driving roller, a driven roller, a steel wire rope belt, a plurality of sensors capable of sending and receiving alternating magnetic fields, a sensor supporting plate, two lifting assemblies and a controller, the two lifting assemblies are symmetrically installed on the two sides of the rack and located below the steel wire rope belt, the two ends of the sensor supporting plate are installed at the lifting ends of the lifting assemblies and arranged in the width direction of the steel wire rope belt, and the multiple sensors are fixed to the sensor supporting plate and correspond to steel wire ropes in the steel wire rope belt one to one. And the motor and the plurality of sensors are electrically connected with the controller. The invention provides an operation fault monitoring device for a steel wire rope belt on a mining conveyor, belongs to the ...

Multi-temperature-interval heat supply operation method and system integrated with direct supply and water mixing technology

The invention discloses a multi-temperature-interval heat supply operation method and system integrated with a direct supply and water mixing technology, and the method comprises the steps: dividing heat users into low-temperature heat users, medium-temperature heat users and high-temperature heat users according to different water supply temperature requirements of the heat users; a low-temperature heat user adopts a mixed water indirect heat supply mode, mixed water is cooled through a primary network side, then enters a plate heat exchanger B to heat secondary network water, and is supplied to the low-temperature heat user; a medium-temperature heat user adopts an indirect heat supply mode, primary network water enters a plate heat exchanger A to heat secondary network water and then is supplied to the medium-temperature heat user, a high-temperature heat user adopts a direct heat supply mode, primary network water is directly supplied to the high-temperature heat user, and automatic ...

DATA PROCESSING METHOD FOR SPACE MOUSE AND CONTROL METHOD FOR MOUSE POINTER

A data processing method for a space mouse and a control method for a mouse pointer. The space mouse comprises an inertial device which is suitable for collecting space coordinate data. The data processing method for a space mouse comprises: recording space coordinate data which is collected at the last time before an inertial device is closed; after the inertial device is restarted, acquiring a compensation value of current space coordinates, the compensation value of the current space coordinates being the difference value of the space coordinate data which is collected at the previous time and the recorded space coordinate data; and using the compensation value of the current space coordinates to compensate the currently collected space coordinate data, so as to obtain an output value of the current space coordinate data. The technical solution of the present invention can effectively solve the problem that the space coordinate data output by a space mouse has an error, so that the space ...

DRAWING METHOD, SYSTEM, COMPUTER DEVICE, AND STORAGE MEDIUM FOR VOICE CHANNEL RESTORATION

Provided are a drawing method, system, computer device, and storage medium for voice channel restoration. The method comprises: collecting voice channel data (S1), wherein the voice channel data is obtained from a voice channel log; reading, according to the collected voice channel data, a field, and forming a set of complete voice channels (S2); and inserting a function script, obtaining, according to the function script, component information of the complete voice channel, and combining the component information and then drawing a voice channel tracking map, wherein defect situations in the voice channel are marked on the voice channel tracking map, and the voice channel tracking map is stored (S3). The method can objectively display a voice channel status timing diagram, reducing human and material resources for reading massive logs, and thus can visualize data defects in each component and timely locate issues; the method is highly intuitive, and has excellent repairability, improving ...

METHOD FOR SENDING DATA OF SPATIAL MOUSE AND METHOD FOR CONTROLLING MOUSE POINTER

A method for sending data of a spatial mouse and a method for controlling a mouse pointer. The spatial mouse comprises an inertial device suitable for obtaining original data of space coordinates. The method for sending data of a spatial mouse comprises: converting acquired space coordinate original data into a quaternion; performing data compensation processing on the quaternion obtained after the conversion, the data compensation processing comprising temperature drift compensation; and sending the quaternion on which data compensation is performed to a receiving end. The method for controlling a mouse pointer comprises: a spatial mouse sending quaternion on which data compensation is performed to a receiving end by using the forgoing data sending method; and a receiving end restoring the received quaternion into space coordinates of the spatial mouse or variables thereof, and converting the space coordinates into coordinates of the mouse pointer or converting the variables thereof into ...

Assembly heat dissipation structure for intelligent gateway switch

The invention discloses an assembly heat dissipation structure for an intelligent gateway switch. The assembly heat dissipation structure comprises a wall body mounting structure; the water pipe assembly is arranged on the wall body mounting structure and is used for cooling and heat dissipation of the intelligent gateway switch; the mounting assembly and the gateway switch body are arranged in the wall mounting structure; and the mounting assembly comprises a mounting frame, and a third transmission strip, a second transmission strip, a first transmission strip and a fourth transmission strip which are sequentially arranged in the mounting frame. The assembly process is sequential butt-joint installation in the front, back, left and right directions, the stability and efficiency during assembly can be improved, meanwhile, domestic water enters the third transmission strip through the water inlet channel, fills the third transmission strip, sequentially enters the second transmission strip ...

Bionic fish with adsorption function

A bionic fish with an adsorption function comprises an upper fish body part, a lower fish body part and a fish tail part, the upper fish body part and the lower fish body part are connected vertically, the fish tail part is connected with the upper fish body part, the upper fish body part comprises an upper fish body shell and an adsorption device, and the adsorption device controls the vacuum degree in a suction cup through a water pump to achieve adsorption separation; the lower fish body part comprises a lower fish body shell, a control cabin arranged in the lower fish body shell, a pair of upper pectoral fin driving devices, a tail fin driving device and a pair of lower pectoral fins symmetrically arranged outside the lower fish body shell. According to the bionic fish, the fish serves as a bionic object, and the bionic fish which is easy to control, capable of vertically rising and submerging, high in bionic degree and capable of being adsorbed to various carriers to achieve long-voyage ...

MOBILE TERMINAL CASING, MOBILE TERMINAL AND SMART HOME NETWORK SYSTEM

Provided are a mobile terminal casing, a mobile terminal and a smart home network system. The mobile terminal casing comprises a wireless module and a power supply module disposed on the mobile terminal casing. The wireless module is adapted for communicating with a control terminal of a smart home network, and for outputting corresponding position prompt information when receiving a control command for searching for the mobile terminal sent by the control terminal of the smart home network; the power supply module is connected with the wireless module, and is adapted for supplying power to the wireless module. The described solution can reduce the difficulty of a user in searching for a mobile phone and improve the user experience.

Annular water injection distributed spray cooling method for high-temperature underground gas

The invention relates to a high-temperature underground gas annulus water injection distributed spray cooling method which comprises the following steps: a production oil pipe penetrates into an annulus water pipe, an annular water column area is formed between the annulus water pipe and the production oil pipe, and a high-temperature underground gas production channel is formed in an inner cavity of the production oil pipe; a plurality of nozzles are arranged on the production oil pipe, cooling water in the annular water column area is atomized and sprayed into an inner cavity of the production oil pipe through the nozzles, and spray cooling of the high-temperature underground coal gas is completed. Cooling water in the annular water column area forms water drops in an atomized state through the nozzles on the production oil pipe, the water drops make full contact with high-temperature and high-pressure gas in the inner cavity of the production oil pipe, heat exchange can be completed ...

Plasma torch

The invention relates to a plasma torch which comprises an anode assembly, a cathode assembly and a driving mechanism. The anode assembly is provided with an anode, the anode is provided with an airflow channel, one end, facing the anode, of the cathode assembly is provided with a cathode, the driving mechanism is connected with the cathode assembly, and the driving mechanism is used for driving the cathode assembly to move in the direction close to the anode so that the cathode can make contact with the anode or driving the cathode assembly to move in the direction away from the anode. And an electric arc is generated between the cathode and the anode. According to the plasma torch, the anode and the cathode are arranged to be capable of making contact with each other, the cathode can also move in the direction away from the anode, contact between the cathode and the anode is changed into separation, the contact arc starting condition is met, and compared with a conventional arc starting ...

DATA SERVICE SYSTEM

Disclosed is a data service system. The system includes: a content management system (100); a third-party fetching database (200) for storing data fetched by a third party; a data processing library (300) for dividing the data into key data and non-key data, storing the non-key data in the content management system, and inputting the key data to an application management system (400); and the application management system (400) for detecting the key data, and storing the key data passing detection in the content management system (100). By means of the technical solution, data from a third-party fetching database can be subjected to classification and detection. On one hand, the data processing efficiency is improved through classification, and on the other hand, the effectiveness of data stored in a content management system is guaranteed, so that a user can acquire the data of the content management system without worries, and the user experience is improved.

DEVICE AND METHOD FOR ASSISTING SUCCESSFUL FILE DOWNLOADING

Provided are a device and method for assisting successful file downloading. The device comprises: a receiving apparatus for receiving a file download request; and a processing apparatus for executing the following operations: in response to the file download request, using a first domain name and a first download address among a plurality of pre-stored download addresses for a file to send the file download request; and under the condition that the file is not successfully downloaded from the first download address within a predetermined time, using a second domain name and a second download address from the plurality of download addresses to send the file download request. By means of the technical solution, a reason (e.g. domain name failure and/or a fault of a certain download server) for download failure can be found at the highest speed, and a different domain name and/or download address are used to make a request during retry, so that a user's file download request can be responded ...

Mining belt conveyor belt fault test system

The invention relates to the technical field of belt testing, in particular to a mining belt conveyor belt fault testing system which comprises a frame, a belt tensioning device, a lead screw assembly, an array sensor, a pressure adjusting device and a data analyzing and processing device. The belt tensioning device is used for adjusting the tensioning force of the to-be-tested belt; the lead screw assembly is arranged below the belt to be detected in parallel; the pressure adjusting device is driven by the lead screw assembly to do linear displacement in the length direction of the to-be-detected belt. The array sensor collects pressure data of array test points at different positions of the belt to be tested in the process of linear displacement of the pressure adjusting device; and the data analysis processing device analyzes whether a fault occurs at a corresponding position or not according to the pressure data of the array test points at different positions under different tension ...

AIR-CONDITIONING HOUSING AND CABINET AIR CONDITIONER

An air-conditioning housing comprises a bottom shell (4), a volute (5) and a rear panel (6), wherein the bottom shell (4) is connected to the rear panel (6), the volute (5) is connected to the rear panel (6), and the bottom shell (4), the volute (5) and the rear panel (6) are integrally formed. Further disclosed is a cabinet air conditioner, which comprises centrifugal fan blades and an air-conditioning housing. By adopting an integrated design scheme, the present application can reduce production procedures.

SIP-BASED LOG TIME CORRECTION METHOD AND DEVICE, AND STORAGE MEDIUM

The present application relates to the field of communications technologies, and in particular, to an SIP-based log time correction method provided in the embodiments of the present application, the method comprising: a log server receiving a terminal communication log of the current terminal, and extracting key information from the terminal communication log; determining, according to the key information, opposite-terminal communication information in a communication opposite-terminal corresponding to the terminal communication log; acquiring a first communication time of the opposite-terminal communication information and a second communication time of any piece of communication information that is temporally adjacent to the opposite-terminal communication information; and correcting the terminal communication information time corresponding to the terminal communication log on the current terminal according to the average of the first communication time and the second communication time ...

Underwater moving obstacle sensing method based on multi-beam depth finder

The invention relates to an underwater moving obstacle sensing method based on a multi-beam depth finder, which comprises the following steps of: sampling through the multi-beam depth finder to obtain the distance between an AUV (Autonomous Underwater Vehicle) and a moving obstacle in different beam directions, the orientation of the moving obstacle and the underwater positioning information of the AUV, and obtaining the position coordinates of a boundary point set of the moving obstacle through coordinate transformation; obtaining an estimated appearance of the moving obstacle according to the position coordinates of the boundary point set through a minimum circle coverage algorithm, namely a geometric model of the collision avoidance circle; the geometric center of the position coordinates of the boundary point set is used as the moving mass center of the moving obstacle, and the estimated position and the moving speed of the moving obstacle are estimated in real time through a Kalman ...

SIP INFORMATION ANALYSIS METHOD, DEVICE, SERVER, AND MEDIUM

The present application relates to the technical field of communications, and provides a SIP information analysis method, device, server, and medium. The method comprises: adding a header field identifier to each of SIP messages; when each of the SIP messages is passing through an external network switch and an internal network switch, performing a packet capture operation on said SIP message to obtain a first SIP message and a second SIP message, respectively; matching and identifying, according to the header field identifiers of the SIP messages, the first SIP messages and the second SIP messages to determine a first SIP message and a second SIP message having the same header field identifier; and analyzing, according to the first SIP message and second SIP message having the same header field identifier, the SIP messages. The SIP information analysis method and server can detect a corrupted SIP message after a cross-domain movement, and analyze the corrupted SIP message.

Geothermal development simulation test device and method

The invention provides a geothermal development simulation test device and method.The geothermal development simulation test device comprises a high-temperature-resistant and high-pressure-resistant container (6), a high-pressure injection system (1), a confining pressure loading system (2), an axial pressure loading system (3) and an axial pressure relieving system (4), and the interior of the high-temperature-resistant and high-pressure-resistant container (6) is provided with a rock core containing cavity and a piston containing cavity which are sequentially communicated; a rock core sample (606) can be accommodated in the rock core accommodating cavity; the confining pressure loading system (2) can apply confining pressure to the rock core sample (606); the axial pressure loading system (3) can apply axial pressure to the rock core sample (606) through a piston (610); the axial pressure relieving system (4) can relieve the axial pressure borne by the rock core sample (606) through the ...

DATA TRANSMISSION METHOD AND DEVICE AND DATA IDENTIFICATION METHOD AND DEVICE

The present invention relates to a data transmission method and device and a data identification method and device. The data transmission method comprises: detecting states of compound keys; updating remote control data in a remote control module when detecting state changes of the compound keys; updating mouse data in a mouse module when detecting hold states of the compound keys and that the states are not stand-by states; transmitting the updated remote control data and mouse data. Accordingly, the data identification method comprises: receiving the remote control data/the mouse data transmitted by corresponding handheld devices through the data transmission method; identifying the remote control data/the mouse data transmitted by the handheld devices through corresponding protocols; responding to the identified remote control data/the mouse data and performing corresponding operations. The present invention can improve the validity of data transmission of the handheld devices.

Quick ionospheric sounding system

... 本实用新型公开了种快速电离层探测系统，包括数字化发射系统和直接数字采样系统；所述数字化发射系统包括依次连接的计算机、以太网接口、FPGA、高速DA转换电路、宽带功率放大器、发射天线和与所述高速DA转换电路和所述FPGA连接的时钟同步模块；所述直接数字采样系统包括依次连接的接收天线、宽带低噪声放大电路、高速AD采样电路、以太网接口、计算机以及与所述高速AD采样电路连接的时钟同步模块。该系统与传统的电离层探测仪相比，大大缩短了所需要的探测时间，能够做到实时或者准实时的电离层探测。除了可以进行本地的垂直探测和斜向返回探测之外，还可以进行电离层异地斜向探测和组网探测。 ...

Warehousing communication system, method and equipment and storage medium

The invention relates to the technical field of wireless communication, and provides a storage communication system, method and device and a storage medium. The storage communication system comprises a mobile man-machine interaction end, a signal transmitting end and at least two signal receiving ends, and the mobile man-machine interaction end is configured to receive a signal receiving end ID and an operation code input by a user; the signal transmitting end is configured to send a wake-up instruction and an operation instruction on a communication frequency band corresponding to the signal receiving end ID; the wake-up instruction is used for setting a signal receiving end in the communication frequency band in a receiving state; the operation instruction is used for exciting a signal receiving end corresponding to the signal receiving end ID to execute an operation corresponding to the operation code; the at least two signal receiving ends are divided into a plurality of groups, and ...

Ultrafast laser cutting forming equipment with built-in processing bin

The invention relates to the technical field of laser cutting, in particular to ultrafast laser cutting forming equipment with a built-in processing bin, which comprises a processing bin, one side of the processing bin is connected with a bin door, the bin door blocks a square door hole formed in the processing bin, a laser cutting device is arranged above the processing bin, and the laser cutting device partially penetrates through a top plate of the processing bin. A welding head of the laser cutting device is located in the machining bin, a control rail penetrates through the bottom of a square door hole of the machining bin, and a position control trolley is connected to the control rail. Smoke generated in the laser cutting process is sucked away in time through alternate air suction of the two rows of branch pipes, and operation power of an air suction mechanism comes from movement of a door plate; when the position control trolley passes through the square door hole of the machining ...

Combined displacement sensor measuring device

The invention discloses a combined displacement sensor measuring device, and belongs to the field of geometric quantities. The device comprises a horizontal adjusting column assembly, a horizontal splicing guide rail assembly, a displacement measuring assembly and an equipment clamping assembly. The horizontal adjusting column assemblies are installed on the horizontal ground in a linear distribution mode, and the bottom foundation supporting and leveling functions are achieved. The horizontal splicing guide rail assembly is installed on the horizontal adjusting column assembly and is guided by a splicing guide rail and driven by a motor to achieve accurate displacement in the horizontal direction. The displacement measurement assembly is installed on the interferometer installation plate and the top of the sliding table, and interferometer light path measurement is achieved through an interferometer distance measurement light path and one-dimensional displacement adjustment. The equipment ...

Method and device for analyzing friction resistance of drill string

The invention provides a drill string friction analysis method and device, and relates to the technical field of oil and gas drilling, and the method comprises the steps: obtaining a friction calculation theoretical model; according to the well bottom bit pressure and torque prediction model, the well bottom bit pressure and the well bottom torque of the current drilling well are determined; the shaft bottom bit pressure and torque prediction model is obtained by firstly utilizing a neural network to establish and then training according to a preset drilling data set; according to the well bottom bit pressure and the well bottom torque of the current drilling well, the friction coefficient is determined through the friction calculation theoretical model; acquiring friction resistance coefficient influence parameters, and training a friction resistance coefficient intelligent analysis model established by using a neural network according to the friction resistance coefficient and the friction ...

Three-level box capable of identifying identity information and identification method thereof

The invention relates to a three-level box capable of identifying identity information and an identification method thereof. The three-level box comprises a box body, a power supply unit arranged in the box body and an identification assembly arranged outside the box body. An air switch is arranged on the power supply unit, and the power supply unit is conducted with the secondary box when the air switch is turned on; a box door is slidably connected to the side wall of the box body, and a driving part is mounted in the box body; the identification assembly comprises a first starting module, a processing module, a power utilization detection module and an early warning module; the first starting module is used for generating a two-dimensional code; the processing module is used for receiving identity information sent by the request terminal after scanning the two-dimensional code, and verifying whether the identity information corresponds to the identity information in the labor service ...

Screening and enzyme activity condition optimization of pathogenicity-free staphylococcus capable of producing protease

The invention discloses screening and enzyme activity condition optimization of pathogenicity-free staphylococcus capable of producing protease, the staphylococcus is preserved in the preservation center of Wuhan University, the preservation number is CCTCC M 20221556, and the preservation date is October 10, 2022. A strain of acid-producing staphylococcus is separated and screened from vinegar grains, and the form, growth characteristics and enzymatic activity of the acid-producing staphylococcus are explored. Results show that the strain is staphylococcus, has no pathogenicity and can produce protease and lipase. The optimal enzyme production conditions of the strain are as follows: the temperature is 31 DEG C, the inoculum size is 2.5%, the culture time is 34.4 h, the protease activity measured under the conditions is 36.07 U/g, the protease activity before optimization is 24.20 U/g, and the protease activity is improved by 49.04% compared with the protease activity before optimization ...

Rigid-flexible coupling ornithopter wing

The invention discloses a rigid-flexible coupling ornithopter wing, which relates to the technical field of aerospace, and comprises a leading edge cross beam, a leading edge wing rib, a trailing edge thin plate and a skin, a plurality of first notches are formed in the side wall of the front edge cross beam, a second notch is formed in one end of the front edge wing rib, and the second notch and the first notch are meshed with each other and are bonded and fixed; a boss surface is arranged at the upper part of the other end of the leading edge rib; third notches are formed in the top surface and the bottom surface of the leading edge wing rib, and carbon fiber rods are inserted into the third notches; a fourth notch is formed in one end of the rear edge thin plate, and the fourth notch and the boss face are meshed with each other and fixed in a bonding mode. The skin covers the outer side of the flapping wing frame formed by mutually meshing the front edge cross beam, the plurality of ...

Workpiece mark printing method and device with three-dimensional effect and workpiece

The invention relates to a workpiece identifier printing method with a three-dimensional effect, which comprises the following steps: acquiring a first target identifier to be printed, processing the first target identifier based on a gray value, and adding a shadow part to the first target identifier, so that a processed second target identifier has a three-dimensional effect visually. After the second target identifier is converted into an electric signal based on the gray value of the second target identifier, the laser energy of the laser printing device is changed, so that different positions of the surface of the workpiece generate machining traces with different depths due to different laser beam energy, and shadow parts formed by the machining traces with different depths are different in depth. The target identifier has a visual stereoscopic effect, so that the striking degree and the attractive degree of the target identifier of the workpiece are improved.

Method and system for measuring distance

The invention relates to a distance measuring method and system, applied to a distance measuring system, the distance measuring system comprises a distance measuring mechanism and an auxiliary mechanism, and the method comprises the following steps: establishing a rectangular coordinate system; acquiring a first initial coordinate of the distance measuring mechanism in the rectangular coordinate system and a second initial coordinate of the auxiliary mechanism in the rectangular coordinate system; calculating an initial distance between the distance measuring mechanism and the auxiliary mechanism according to the first initial coordinate and the second initial coordinate; an initial image and a final image are called, the initial image is an image of the auxiliary mechanism collected by the distance measuring mechanism, and the final image is an image of the auxiliary mechanism collected by the distance measuring mechanism after movement; based on a preset proportion formula, according ...

Code identification method and device, computing equipment and computer readable storage medium

The invention discloses a code identification method and device, computing equipment and a computer storage medium. The method comprises the steps that calling information of a target method during code execution is acquired; generating a topological graph containing a call tree of the target method according to the call information and the execution result of the target method; and according to the topological graph, utilizing a preset identification model to identify a target method which can be converted into concurrent execution in the code. According to the method, the codes which can be executed in a serial-to-concurrence mode with a large probability can be analyzed, a reasonable, feasible and rapid concurrence execution code recognition and analysis scheme is provided for developers, risks in the project implementation process are reduced, the performance of online products is optimized, and the development efficiency is improved. And the prominent defects of high requirements on ...

Ground penetrating radar underground drainage pipe network image detection method based on improved YOLOv5

The invention relates to a ground penetrating radar underground drainage pipe network image detection method based on improved YOLOv5, and the method comprises the following steps: S1, collecting a ground penetrating radar underground drainage pipe network image, and constructing an underground drainage pipe network radar image original data set; s2, performing image preprocessing on the original data set in the S1, increasing the data volume through a data enhancement method, labeling and generating a label file of the underground drainage pipe network, and dividing the label file into a training set, a verification set and a test set according to a certain proportion; s3, constructing an improved YOLOv5 convolutional neural network model, initializing the network model, importing the training set into the model, setting hyper-parameters, and training the model; s4, model parameter adjustment: adjusting each hyper-parameter according to the training effect and performance of the network ...

Rotating electrode and surgical tool using same

The invention relates to the technical field of medical instruments, and provides a rotating electrode and a surgical tool using the same. One end of the rotating electrode is closed, and the other end of the rotating electrode is open. The rotating electrode is provided with an electrode outer layer and an electrode inner layer, the electrode outer layer wraps the electrode inner layer, the electrode inner layer extends out of the electrode outer layer in the axial direction, and a cutting tool bit is arranged at the end, extending out of the electrode outer layer, of the electrode inner layer. An inner hole is formed in the electrode inner layer in the axial direction, and the inner hole extends in the direction of the cutting tool bit to form the open end of the rotating electrode. The rotary electrode has the beneficial effects that the inner hole is formed in the electrode inner layer in the axial direction, the inner hole extends towards the cutting tool bit to form the open end of ...

Distributed large-scale high-speed AUV high-fidelity simulation system based on real disturbance data

A distributed large-scale high-speed AUV high-fidelity simulation system based on real disturbance data simulates the motion state of a real large-scale high-speed AUV physical prototype in an equal ratio manner through a large-scale AUV virtual test boat subsystem under the interaction of rigid body inertia, gravity, buoyancy, inertial hydrodynamic force, centripetal force, Coriolis force, resistance, thrust, rudder force and external environment disturbance force. A collision attribute is added to the body under the action of the physical engine; the underwater three-dimensional virtual environment subsystem simulates the real underwater environment of the large-scale high-speed AUV in a high-fidelity manner through the rendering of a large-scale underwater environment, the building of a dynamic and static obstacle visual model and the generation of real ocean current and ocean wave disturbance; the method comprises the following steps: describing a conversion relation among fixed coordinate ...

Optical cable welding workbench with bidirectional alignment function

The invention relates to the technical field of optical cable welding workbenches, in particular to an optical cable welding workbench with a bidirectional alignment function, which comprises an operation table, a positioning handle is fixedly connected to the front surface of the operation table, scaffolds are fixedly connected to four corners of the lower surface of the operation table, and adjusting rods are rotatably connected to the interiors of the scaffolds. The lower surface of the operation table is fixedly connected with a positioning buckle outside the adjusting rod; on the premise that the distance between the two second guide wheels is adjusted, through transmission between gears, the second guide wheels are self-locked through the self-locking rod, the acting force between the optical cable and the second guide wheels is increased, the stability of the optical cable is improved, when the second guide wheels are self-locked, the second guide wheels in the second guide frame ...

Electric power overhead line preformed armor rod mounting robot

The invention discloses an electric power overhead line preformed armor rod mounting robot. A preformed armor rod end clamping mechanism comprises an end rack, an upper half flange, a driving wheel assembly and an end clamping assembly; the preformed armor rod pressing mechanism comprises a pressing rack, a first ring assembly rotationally installed on the pressing rack and a first rotation driving mechanism used for driving the first ring assembly to rotate. The preformed armor rod winding mechanism comprises a winding rack, a second ring assembly rotationally installed on the winding rack and a second rotation driving mechanism used for driving the second ring assembly to rotate. The installation robot can automatically walk to the position, where the preformed armor rods need to be installed, of the cable and automatically wind and wrap the cable with the preformed armor rods, the automation degree is high, the working efficiency of preformed armor rod winding can be greatly improved ...

Temperature balance control and adjustment method for multi-user central heating pipe network

The invention discloses a multi-user central heating pipe network temperature balance control and regulation method, which comprises the following steps of: predicting a thermal load through actual indoor and outdoor temperatures and historical operation data, regulating the deviation between an actual circulating flow and a design flow by controlling the opening degree of a valve, calculating a predicted load return water temperature, and carrying out thermal and hydraulic balance regulation on a primary network; and performing thermal and hydraulic balance adjustment on the secondary network, performing thermal and hydraulic balance adjustment on each user unit, and repeating the steps to enable the whole heat supply network to reach a thermal and hydraulic balance state. Adjustment difficulty caused by strong coupling and hysteresis between the primary network and the secondary network and different users can be effectively relieved, the heat supply network temperature balance adjustment ...

Unstable soil temperature field analysis method and system

The invention provides an unsteady-state soil temperature field analysis method and system. The method comprises the following steps: step 1, establishing a three-dimensional mathematical model of an unsteady-state soil temperature field; 2, setting boundary conditions of the three-dimensional mathematical model; 3, according to the obtained boundary conditions, establishing an inverse analysis solving model of the three-dimensional mathematical model; 4, a parameter true value of the inverse analysis solution model is solved, the parameter true value serves as a parameter of the three-dimensional mathematical model, and a final three-dimensional mathematical model is obtained; 5, calculating a to-be-measured unsteady-state soil temperature field by using the final three-dimensional mathematical model; the analysis accuracy of the unstable soil temperature field can be improved, and the method is simple in step and convenient to use.

Anticoagulant adsorption resin as well as preparation method and application thereof

The invention discloses anticoagulant adsorption resin as well as a preparation method and application thereof, and relates to the technical field of adsorption materials. A plurality of monomers are copolymerized to obtain polymer resin with a cross-linked structure, and the polymer resin is aminated to introduce amido and then reacts with heparin, so that the purpose of grafting heparin is achieved. The synthetic route provided by the invention is simple and convenient to operate, relatively low in cost, excellent in anticoagulant effect, anti-aging and not easy to fall off. In addition, 1-hydroxybenzotriazole is used as a condensing agent, and polyethyleneimine is used as an aminating agent, so that the anticoagulation effect is remarkably improved.

Self-searching method, equipment, system and medium

The invention discloses a self-searching method, equipment, a system and a medium. The method is suitable for slave equipment, and the slave equipment comprises an infrared receiving module and a Bluetooth sending module. The method comprises the following steps: when an infrared receiving module receives a search instruction sent by host equipment, controlling a Bluetooth sending module to send a response data packet to the host equipment; and when the infrared receiving module receives an activation data packet sent by the host device, the slave device is controlled to be in an activated state so as to prompt the position of the slave device. By adopting the scheme, the power consumption of the slave equipment in the self-searching function process can be reduced.

Oil and gas well fracturing test device and method for simulating real stratum environment

The invention discloses an oil and gas well fracturing test device and method for simulating a real stratum environment, and belongs to the technical field of oil and gas well fracturing tests, and the device comprises a high-pressure rock core container, a high-pressure injection system, a rock core X-axis loading system, a rock core Y-axis loading system, a rock core Z-axis loading system, an acoustic emission system and a data acquisition control display system. The invention further discloses an oil and gas well fracturing test method for simulating the real stratum environment. According to the technical scheme, the size of the rock core sample reaches 500 * 500 * 500 mm, and the test result is more accurate. Different horizontal ground stresses can be applied to the upper part, the middle part and the lower part of the rock core sample at the same time, the shearing stress condition is simulated, and the actual rock stress condition can be simulated more truly. The acoustic emission ...

Density logging data prediction method based on Bayesian optimization mixed kernel extreme learning machine

The invention relates to the field of geophysical logging data processing, and particularly discloses a density logging prediction method based on a Bayesian optimization mixed kernel extreme learning machine, and the method comprises the steps: determining the main influence characteristics of density logging data through a LightGBM algorithm, introducing sound wave, neutron, well diameter and natural gamma logging data, reducing the input dimension of a prediction model, and improving the prediction precision. The prediction efficiency is improved, the Bayesian algorithm is used for carrying out automatic parameter optimization on five parameters (C0, C1, d, sigma and C) in the mixed kernel extreme learning machine, the predicted root-mean-square error is smaller than 0.0767 g/cm < 3 >, and the method is suitable for different reservoir conditions, high in generalization ability, capable of rapidly carrying out parameter optimization and high in prediction precision.

Transformer grounding current fault diagnosis monitoring device and method

The invention provides a transformer grounding current fault diagnosis monitoring device and method, and belongs to the field of transformers. The device comprises a current acquisition unit used for acquiring the grounding current of the transformer in real time; the controller is in communication connection with the current acquisition unit and is used for judging whether the grounding current of the transformer exceeds a specified value; determining the fault type of the transformer grounding current under the condition that the transformer grounding current exceeds a specified value; when it is determined that the fault type is a controllable fault, the fault type of the controllable fault is judged according to the transformer grounding current, and a current limiting instruction is generated according to the fault type of the controllable fault; and the current limiting unit is in communication connection with the controller and is used for executing the current limiting instruction ...

Device and method for long-distance coaxial measurement

The invention discloses a device and method for long-distance coaxial measurement, and belongs to the field of measurement and detection in the manufacturing industry. The micro-alignment telescope is used for measuring the position and direction of a measurement target relative to a main optical axis of the telescope; the CCD imaging reading system is used for acquiring a collimation image and a positioning image measured by the micrometer collimation telescope to realize digital measurement; the mounting and adjusting system is used for fixing the micro-alignment telescope and adjusting the alignment and aiming direction of the micro-alignment telescope; the measurement target is used for leading out a coaxial reference of a measured coaxial position and determining the position and attitude of the measured coaxial position in cooperation with the micro-alignment telescope; the supporting tripod is used for portable stable supporting and height lifting adjustment of the whole device; ...

Heat distribution pipeline leakage monitoring system and method

The invention provides a heat distribution pipeline leakage monitoring system and method, and the system comprises a soil temperature monitoring node which is buried in soil, is disposed at the side of a to-be-detected heat distribution pipeline, and is used for monitoring the temperature information of the soil at the position; the backwater pressure monitoring device is installed at the relay energy station and used for monitoring backwater pressure information of the relay energy station; the monitoring server is respectively connected with the soil temperature monitoring node and the return water pressure monitoring device and is used for receiving the temperature information and the return water pressure information and respectively comparing the temperature information and the return water pressure information with preset values so as to judge whether the heat distribution pipeline to be detected leaks or not; according to the invention, a modular design method is adopted to detect ...

Distance measurement type three-face intersection internal corner identification method for constructional engineering

The invention relates to a distance measurement type three-surface intersection internal corner identification method for constructional engineering, and mainly relates to the technical field of constructional engineering point location measurement, and the method comprises the following steps: randomly selecting one point in a space close to a three-surface intersection point as a measurement original point P; selecting a detection circle radius R with a proper size, wherein the projection of the detection circle on the intersection plane is a detection area S1; measuring the distance from the measurement origin P to each point position in the detection area S1 by using a measurement tool; the distances from the measurement origin P to the point locations in the detection area S1 are recorded and sequenced, the point location with the largest distance is P1, and the distance is D1; the measuring tool is adjusted, the detection circle is projected again with the P1 as the projection center ...

Two-stage compression heat pump temperature compensation combined water mixing type partition heat supply system

The invention discloses a two-stage compression heat pump temperature compensation combined water mixing type partition heat supply system. The system comprises a floor heating area circulating water system, a radiator circulating water system, a wharf sale area circulating water system and a wind energy coupled two-unit compression heat pump unit. The floor heating area circulating water system, the radiator circulating water system and the wharf sale area circulating water system are connected with the first-network water supply and return system; a water mixing pump is arranged between the water supply side and the water return side of the floor heating area circulating water system; the mode of indirect heat supply and temperature compensation is adopted in the wharf sale area to improve the water supply temperature of the two networks, temperature compensation is achieved through a novel wind energy coupling two-stage compression heat pump, heat users with different attributes are ...

Standard device with compensation

The invention discloses an etalon with compensation, and belongs to the field of geometric quantities. The device comprises a basic supporting body, a displacement adjusting table and a measuring target seat body, the base supporting body is made of indium steel, the displacement adjusting table is installed above the base supporting body, precise one-dimensional movement of the upper-layer sliding table in the direction of the ruler body is achieved, high-precision positioning is achieved through closed-loop feedback, and the two measuring target seat bodies are installed on the base supporting body and the displacement adjusting table respectively. And the center distances of all groups of targets of the measurement target seat bodies on the two sides are consistent through mechanical installation and adjustment. Indium steel with a low linear expansion coefficient is used as a substrate material, a temperature compensation system is combined, and the length value of the standard device ...

Taper-controllable laser micromachining system and method

The invention discloses a laser micromachining system and method capable of controlling taper. The system comprises: a zoom beam expanding system configured to expand an emitted laser beam; a beam displacement module configured to adjust a translation amount of the emitted laser beam; the light beam adjusting module is configured to modulate the translated laser beam to generate first-stage diffracted light and perform two-dimensional adjustment on the diffraction angle of the first-stage diffracted light at a frequency greater than a preset frequency threshold, so that the first-stage diffracted light scans in a two-dimensional plane at a speed greater than a first preset speed threshold; the imaging system is configured to zoom the scanning angle of the first-level diffracted light according to a preset proportion; and the field lens is configured to focus the first-level diffraction light to generate a focus light spot with the diameter smaller than a preset diameter threshold value, ...

Pre-twisted wire auxiliary installation tool

The invention discloses a preformed armor rod auxiliary installation tool which comprises a preformed armor rod positioning device, a preformed armor rod winding device, a tool locking device and a pair of rack assemblies. The preformed armor rod positioning device comprises a positioning rack seat and a positioning seat ring, the positioning seat ring is installed on the end face of the positioning rack seat in a running fit mode, and a plurality of positioning and clamping mechanisms used for clamping the ends of preformed armor rods and cables are distributed and installed on the positioning seat ring; the tool locking device comprises a locking rack seat and a locking seat ring, the locking seat ring is fixedly installed on the end face of the locking rack seat, and a plurality of locking and clamping mechanisms used for clamping cables are distributed and installed on the locking seat ring. When the pre-twisted wire winding device is specifically used, the pre-twisted wire can be driven ...

Pyroelectric image processing method and system for monitoring leakage of heat distribution pipeline

The invention provides a pyroelectric image processing method and system for monitoring leakage of a heat distribution pipeline, and the method comprises the following steps: 1, segmenting an obtained pyroelectric image, and obtaining a plurality of to-be-processed pyroelectric images; step 2, performing de-noising processing on each to-be-processed pyroelectric electronic image to obtain a processed pyroelectric electronic image; step 3, performing image enhancement processing on each processed pyroelectronic image by using an improved histogram equalization algorithm to obtain a pyroelectronic image after enhancement processing; step 4, performing pixel interpolation on each enhanced pyroelectric image to obtain a plurality of target pyroelectric images; the pyroelectric imaging device can effectively overcome the defect that image processing in an existing pyroelectric imaging device is large in error.

Belt tension testing method and system for mining belt conveyor

The invention discloses a belt tensioning force testing method and system for a mining belt conveyor, and the method comprises the steps: adjusting the tensioning force of a belt through a tensioning force testing device, and collecting the displacement data and strain data of a position nearby a tensioning nut in the adjustment process; calculating equivalent stress at the acquisition position based on the acquired strain data; simulating equivalent stress of a strain data acquisition position based on the acquired displacement data as a load condition; the load condition is set as an external force load for simulation again, and the external force load is loaded step by step so that the equivalent stress of the simulation strain data acquisition position can be consistent with the calculated equivalent stress; the external force load at the moment is the belt tension force. According to the method, the belt tension of the mining conveyor can be accurately tested, the performance of the ...

Method for remelting and utilizing electric smelting method rock wool waste residues and co-processing electric furnace flue gas VOCs (Volatile Organic Compounds)

The invention relates to the technical field of energy-saving building materials, in particular to a method for remelting and utilizing electric smelting method rock wool waste residues and co-processing electric furnace flue gas VOCs. The method comprises the following steps: melting a mineral raw material by using an electric furnace to form a melt, so that the melt is subjected to fiber forming by a centrifugal machine and is collected by a cotton collecting machine; the flue gas generated by the electric furnace is fed into a combustor for combustion, and the combusted flue gas passes through a drying furnace and then is fed into a filtering chamber for filtering; wherein the flue gas generated by the electric furnace contains VOCs (Volatile Organic Compounds); the waste residues which are not collected by the cotton collecting machine are fed into the drying furnace to be dried; wherein the heat of the drying furnace comes from the flue gas after combustion; and the dried waste residues ...

Magnetotelluric dead band data prediction method based on AM-BiLSTM

The invention relates to the field of magnetotelluric signal processing, and particularly discloses a magnetotelluric dead band data prediction method based on AM-BiLSTM, and the method comprises the steps: S1, constructing a BiLSTM which is composed of an input layer, a forward hidden layer, a backward hidden layer, and an output layer; s2, constructing an AM, wherein the AM is obtained by weighted summation of weights obtained by calculation of the query and each key and corresponding values; s3, performing AM-BiLSTM model prediction to obtain prediction data of a dead band time sequence; s4, using the observation data as input for training an AM-BiLSTM model and the time sequence of the'dead band 'frequency band as output to obtain time sequence data of the'dead band' frequency band; and completing the prediction of the magnetotelluric dead band data through the AM-BiLSTM prediction result, and obtaining the corresponding apparent resistivity and phase magnetotelluric response data.

Wall-to-wall protection system and method for femtosecond laser processing air film cooling hole

The invention discloses a wall-to-wall protection system and method for femtosecond laser processing of air film cooling holes. The system comprises a power adjusting module which is configured to perform high-precision adjustment on the average power and the single pulse energy of an emitted femtosecond laser beam so as to control the removal amount of a single pulse of the femtosecond laser beam to a product to be processed; the light beam shaping module is configured to shape the spatial distribution of the femtosecond laser beams after power adjustment; the dispersion regulation and control module is configured to disperse and collimate the shaped femtosecond laser beam to generate spatial chirp; and the galvanometer scanning processing module is configured to synchronously focus the laser beam of the space chirp in a space-time manner to generate a space-time focus and is used for high-precision fixed-depth etching processing of the to-be-processed product. The technical problem of ...

Mining belt conveyor belt operation fault monitoring prototype

The invention relates to a mining belt conveyor belt operation fault monitoring principle prototype which comprises a rack, a motor, a driving roller, a driven roller, a belt, a plurality of pressure sensors, a pressure adjusting assembly and a controller, the driving roller and the driven roller are rotationally connected to the two ends of the rack, and the pressure adjusting assembly comprises a fixing base, an adjusting base and a locking piece; the fixed seat is fixed on the rack and located below the belt, the adjusting seat is connected to the fixed seat in a sliding mode, can be close to or away from the belt and is locked on the fixed seat through a locking piece, and the pressure sensors are fixed on the adjusting seat at equal intervals in the width direction of the belt. The invention provides a belt operation fault monitoring principle prototype for a mining belt conveyor, belongs to the technical field of mineral equipment, and can be used for carrying out a simulation experiment ...

Xenon working medium electric propulsion and cold air propulsion dual-mode propulsion system

The invention provides a xenon working medium electric propulsion and cold air propulsion dual-mode propulsion system in the technical field of space propulsion, which comprises a gas storage module and a pressure regulating module which are sequentially connected in series, an electric propulsion module and a cold air propulsion module are connected in parallel at the downstream, and the modules are controlled by a control and power module. Wherein the gas storage module, the pressure regulation module and the control and power module are common modules for electric propulsion and cold air propulsion. The electric propulsion system has the advantages that compared with a single electric propulsion system, the problem that the electric propulsion system cannot provide large control torque is solved, since xenon is shared as a working medium, xenon needed by cold air propulsion and xenon needed by electric propulsion are backup for each other, the system integration degree is high, the strict ...

Corrugated pipe casing deformation compensation short circuit and casing deformation prevention method

The invention relates to a corrugated pipe casing deformation compensation pup joint and a casing deformation prevention method, the corrugated pipe casing deformation compensation pup joint comprises a corrugated pipe, an upper casing pipe and a lower casing pipe, and the upper casing pipe and the lower casing pipe are coaxially distributed at intervals; the pipe wall of the corrugated pipe is of a corrugated structure, the corrugated pipe is coaxially installed between the upper sleeve and the lower sleeve, and the two ends of the corrugated pipe are connected with the opposite ends of the upper sleeve and the lower sleeve respectively. In the process of drilling and completion, the corrugated pipe can axially stretch out and draw back and can keep the inner drift diameter during bending deformation, and accumulated stress in a casing string is released by allowing the corrugated pipe to deform; therefore, deformation and damage such as expansion, bending and the like of the casing caused ...

Irradiance cache illumination calculation method and device, storage medium and computer equipment

The invention discloses an irradiance cache illumination calculation method and device, a storage medium and computer equipment, and the method comprises the steps: carrying out the reflection tracking of any to-be-calculated target pixel point in a virtual scene from a viewport of a camera to the target pixel point, and tracking a plurality of reflection paths reflected to the target pixel point; on the basis of the reflection times of the reflection routes, acquiring irradiance cache points corresponding to at least part of the reflection routes from preset irradiance cache points as target irradiance cache points of the target pixel points; and obtaining target irradiance information corresponding to the target irradiance cache point, and calculating global illumination information of the target pixel point based on the target irradiance information. The method solves the problem of light leakage in the prior art, does not need to add sampling points and cache points, does not need to ...

Sleeve windowing tool and windowing method

The invention discloses a casing windowing tool and windowing method.The casing windowing tool comprises a perforating structure, a drilling structure and a drilling structure, the perforating structure comprises a gun body and a bullet head, an explosive bin and a trajectory are arranged in the gun body, and the bullet head is installed in the trajectory and located in front of the explosive bin; the reaming structure is mounted at the front end of the gun body; wherein the bullet head can be shot out along the trajectory by utilizing the explosion impact force of explosives in the explosive bin and shot through the sleeve to form a through hole, and the hole expanding structure can expand the through hole into a window under the guidance of the bullet head. According to the invention, the bullet is ejected by utilizing the explosion impact energy of the explosive and punctures the sleeve of the old well to form the perforation, so that rapid perforation positioning outside the sleeve ...

Aluminum oxide continuous blanking device and method for aluminum electrolysis cell

The invention discloses an aluminum electrolysis cell aluminum oxide continuous blanking device and method to solve the technical problems that according to an existing aluminum electrolysis cell blanking device, excessive blanking is difficult to completely dissolve within a short time, the blanking precision is low, the service life of an electrolysis cell is affected, and the power consumption of the electrolysis cell is increased. The device comprises a driving mechanism, a transmission mechanism, a spiral discharging mechanism, a bottom discharging mechanism and a control system, the spiral discharging mechanism comprises a shell and a spiral conveying assembly, the transmission mechanism comprises a supporting frame and a transmission shaft, and the shell of the spiral discharging mechanism is fixedly connected with the bottom of the supporting frame of the transmission mechanism; the spiral conveying assembly is located in a shell of the spiral discharging mechanism and fixedly connected ...

Wireless sensor network system, operation method, operation device and storage medium

The invention discloses a wireless network transmission system, which comprises a base station, and the network level of the base station in the system is higher than that of all other nodes in the system; the controller node is connected with the sensor nodes which are located in the same area with the controller node, and is used for realizing at least one of a data exchange function, an equipment connection function, a data processing function and a communication control function; the sensor node is used for collecting data information, executing the data instruction sent by the controller node and sending feedback data to the controller node; and the aggregation node is connected with the controller node and the base station, and is used for collecting the data of the controller node, uploading the data to the base station, receiving the data from the base station and issuing the data to the controller node. According to the application, exchange and processing of data in a network, ...

Bone sterilization storage device and sterilization method using same

The invention relates to the technical field of sterilization equipment, and provides a bone sterilization storage device and a sterilization method using the same. Comprising an upper cover and a lower cover which are mutually screwed, and the upper cover and the lower cover divide the storage into an upper cavity and a lower cavity through a locking switch; a magnetic stirrer is arranged in the lower cavity and is used for stirring liquid in the lower cavity; a first guide limiting block and a limiting block are arranged on the surface of the groove of the upper cover; a second limiting guide block is arranged on the lower side of a sealing knob of the locking switch; when the locking switch is completely screwed, the second limiting guide block enters the position between the first guide limiting block and the limiting block to be clamped and limited. The bone tissue storage device has the beneficial effects that bone tissues and liquid are located in the lower cavity during disinfection ...

Vision-based aircraft flight control component attitude measurement device

The invention discloses a vision-based aircraft flight control component attitude measurement device, and belongs to the field of manufacturing and detection. The height and pitch attitude adjustable support is used for installing the binocular infrared vision measurement assembly. The binocular infrared vision measurement assembly realizes measurement of an attitude angle of an attitude measurement target and a space coordinate point of a hidden point measurement target based on a binocular vision principle. And the high-altitude rapid clamping assembly is used for realizing high-altitude rapid mounting and dismounting of the attitude measurement target. The attitude measurement target is used for installing a plurality of target points in multiple directions, and is matched with the binocular infrared vision measurement assembly to realize measurement and calculation of attitude angles based on space coordinate values by the flight control component in a wide-range attitude angle. The ...

BIM (Building Information Modeling) list generation and export method and system and electronic equipment

The invention relates to a BIM (Building Information Modeling) list generation and export method, a BIM list generation and export system and electronic equipment. According to the BIM model list generation and export method, after open items corresponding to an existing engineering quantity list table are sorted, components in an existing engineering BIM model correspond to the open items; for open items which cannot correspond to each other, a BIM creation rule needs to be formulated, then a calculation quantity model is created based on the formulated BIM creation rule, calculation quantity attributes are given, and then the creation mode and the calculation quantity attributes of the calculation quantity model are audited; and when the auditing is not passed, reformulating a BIM creation rule and creating a calculation quantity model, and when the auditing is passed, extracting the calculation quantity attribute of the calculation quantity model to generate an overall engineering quantity ...

Measurement data processing method and system of sound exposure meter

The invention relates to the field of data processing, in particular to a measurement data processing method and system of a sound exposure meter, and the method comprises the steps: obtaining measurement data of the sound exposure meter, including sound data and attitude data in a measurement period; determining a correction target value according to the intensity attribute information of the sound data; determining an abnormal period in the measurement period according to the attitude data; and correcting the intensity attribute information of the sound data in the abnormal period to the correction target value. According to the method and the device, the abnormal sound data in the measurement data are subjected to abnormal analysis, the abnormal period is determined, and the abnormal sound data are corrected in time, so that the quality and the accuracy of the measurement data are improved.

Ultrasonic leak detection device

The invention provides ultrasonic leakage detection equipment. The ultrasonic leakage detection equipment comprises an equipment main body, two positioning mechanisms which are electrically connected with each other and a communication part, each of the two positioning mechanisms comprises a plurality of positioning units and a connecting section, the two connecting sections are coaxially connected with the two ends of the equipment main body in the length direction respectively, the plurality of positioning units in each positioning mechanism are arranged around the peripheral side of the connecting section, and the positioning units are used for obtaining signals sent by a leakage source of a to-be-detected body and sending the signals to the equipment main body. Signals acquired by the positioning units in the two positioning mechanisms are jointly used for positioning a leakage source. And the communication part is electrically connected with the two positioning mechanisms and is connected ...

Volume pressure reduction type pressure adjusting device for electric propulsion and control method

The invention provides a volume pressure reduction type pressure adjusting device for electric propulsion and a control method. The volume pressure reduction type pressure adjusting device comprises an electromagnetic valve, a first air capacitor, a second air capacitor, a buffer air tank, a first pressure sensor and a second pressure sensor. The electromagnetic valve comprises a first-stage electromagnetic valve SV1, a second-stage electromagnetic valve SV2 and a third-stage electromagnetic valve SV3 which are connected in sequence; the first air capacitor is arranged between the first-stage electromagnetic valve SV1 and the second-stage electromagnetic valve SV2, the second air capacitor is arranged between the second-stage electromagnetic valve SV2 and the third-stage electromagnetic valve SV3, the first pressure sensor is arranged on the upstream of the first-stage electromagnetic valve SV1, and the second pressure sensor is arranged on the downstream of the third-stage electromagnetic ...