ПОЖАРНЫЙ ИЗВЕЩАТЕЛЬ

Изобретение относится к пожарным извещателям, применяемым для обнаружения ИК- либо УФ-излучения. Технический результат заключается в упрощении конструкции извещателя и обеспечении контроля загрязнения его оптического окна. Пожарный извещатель состоит из корпуса, в котором установлены датчики (8.1, 8.2), источник (9.1, 9.2) излучения и оптическое окно (7), причем над оптическим окном (7) установлены защитная сетка или защитное кольцо (2.1, 2.2) отражателя, которые в состоянии защитить оптическое окно (7) от механических воздействий, в достаточной степени пропускают УФ- и ИК-излучение (16), а со своей внутренней стороны отражают внутрь корпуса УФ- и ИК-излучение. 11 з.п. ф-лы, 7 ил.

VORRICHTUNG ZUR ERKENNUNG EINES FLAMMENFEUERS UND VERFAHREN ZUR DURCHFUEHRUNG DER ERKENNUNG DES FLAMMENFEUERS

Brandmelder, insbesondere geschlossener Streulichtrauchmelder, mit einer separaten Photodiode zur Erfassung von Umgebungslicht, um davon abhängig die Ausgabe eines möglichen Brandalarms zu beschleunigen

Die Erfindung betrifft einen Brandmelder (1), insbesondere einen Streulichtrauchmelder geschlossener Bauart, mit einem Brandsensor (SA), mit einer Steuereinheit (4) und mit einer Photodiode (6) zur Erfassung von Umgebungslicht in einem spektral begrenzten Bereich von 400 nm bis 1150 nm. Die Steuereinheit ist dazu eingerichtet, ein vom Brandsensor empfangenes Sensorsignal (BS), insbesondere ein Streulichtsignal, auf zumindest eine charakteristische Brandkenngröße hin zu analysieren, zu bewerten und bei einem detektierten Brand einen Brandalarm (AL) auszugeben. Die Steuereinheit ist zudem dazu eingerichtet, ein von der Photodiode empfangenes Photosignal (PD) auf das Vorhandensein von für offenes Feuer charakteristischen Flackerfrequenzen hin zu analysieren und abhängig davon den (optischen) Signalpfad der Brandanalyse zu beschleunigen. Dadurch ist eine schnellere Alarmierung in einem Brandfall möglich.

FIRE DETECTION SYSTEMS

... 1353615 Fire detection systems P M PUCILL 5 Aug 1971 [11 Aug 1970] 38731/70 Heading G4N A fire detection system comprises at least one radiation detector and at least one fire simulator (e.g. lamp), energized during spaced time intervals referred to as " smoke detection epochs ", the intervening intervals being referred to as " radiation epochs " and a control system connected to the detector to give a flame output signal, indicative of a possible flame if the detector responds during radiation epochs and smoke output signal, indicative of possible smoke, if the detector fails to respond to the fire simulator during smoke detection epochs. As described, eight radiation detectors are mounted at a high level in a building and are connected by a multicore cable 2 to a respective zone unit Zb ... Zy. Each detector normally passes a small current but when triggered by infra-red radiation having a flicker frequency between 5 and 35 Hz, passes a much larger current which continues until the detector ...

Rapid deployment security system

An optical detector with a reflector outside of its housing, and a plurality of sensors inside of its housing

A detector comprising: a housing 1 which has a window 3 ; a source 4 of an electromagnetic radiation such as light mounted within the housing; a plurality of sensors 7 mounted within the housing; and a reflector 6 mounted outside of the housing. The reflector is positioned to reflect the light passing through the window 3 from the source onto the sensors 7 via the window 3. The sensors provide an output value that is indicative of the radiation reaching them. A measuring and processing unit 2 may be provided within the housing to indicate the level of the electromagnetic radiation from the output of the sensors. A further reflector 5 may be associated with the source to focus the radiation from source onto the external reflector 6. The plurality of sensors 7 maybe an array sensor such as a 16x16 array. The light source may emit a pulsed light radiation with a frequency that matches the frequency of a flame. The source may be monitored to confirm that is working (i.e. that is emitting light ...

FLAME DETECTOR

A flame detector comprising a flame sensor, a storing section for storing a predetermined reference value, a comparing section for comparing a value of a signal from the flame sensor which changes in amplitude corresponding to a change in flickering of flames with said reference value and adapted to detect flames when the value of said signal exceeds the reference value, and a flame determining section which comprises a computing section for computing a ratio of an amplitude value of a minus change component to an amplitude value of a plus change component of changes in flickering of flames. The storing section stores a preset first threshold value and a preset second threshold value higher than said first threshold value, and the flame determining section signifies the presence of flames is when the ratio of the amplitude values of the signals is larger than the first threshold value and lower than the second threshold value.

Method and apparatus for detecting fire

A fire condition in a monitored space is detected by: storing in a memory 6 a reference signal representing the fire condition to be detected; continuously monitoring the monitored space by a sensor system 2 which generates monitored signals representing the radiation condition of the monitored space; and cross-correlating the monitored signals generated by the sensor system with the stored reference signals to produce a correlation coefficient indicating the degree of correlation between the two signals, and thereby the presence or absence of a fire condition in the monitored space. ...

Flame detecting apparatus

Improvements relating to radiation detectors

... 1,110,544. Radiation responsive circuits. GRAVINER (COLINBROOK) Ltd. Aug.18, 1966 [May 27, 1965], No.22511/65. Heading G1A. A radiation responsive circuit comprises a pulse generator which produces pulses of predetermined amplitude in response to the output of a radiation detector, first capacitor means substantially completely charged by said pulses, second capacitor means having a larger capacity charged by transfer of the charge on the first capacitor means at the end of each pulse and means indicating when the charge on said second capacitor means exceeds a predetermined value. A number of detector heads A1-A6 is provided, each comprising a photo-cell PC1 of the type which is filled with a gas which ionizes when subjected to radiation to which is applied A. C. from the mains transformer TR. When a photocell conducts, the negative phase of the oscillations passing therethrough overcomes a 1 volt bias on the corresponding diode D1 to transmit a pulse to a monostable circuit VT1; VT2; ...

Improvements in or relating to improved fire detection device

... 1,144,624. Fire detectors. VIGIFEU. Feb.6, 1968 [Feb.9, 1967], No. 5834/68. Heading G1N. [Also in Division G4] A fire detector comprises test and reference ionization chambers 3, 6 mounted in a housing 1 together with the associated circuitry including a temperature sensitive transistor mounted on a printed circuit board 11. Sampled air passes through a domed grid 2 and out via holes 1a in the body. In an alternative arrangement Fig.3 (not shown) the grid 2 may form the "wall electrode" of the ionization chamber. Detector circuit, Fig.2. The reference and sample ionization chambers 6, 3 are connected in series across a supply to vary the bias on the base of a (temperature sensitive) field effect transistor 14, whereby change in ionization due to smoke particles, or increase in temperature of the transistor, causes it to conduct and fire thyristor 16 energizing an alarm lamp 18. Zener diode 19 maintains the circuit for the detection system if the lamp fails. Fire detection system Fig.2 2 ...

FIRE-MONITORING SYSTEM

Scanning fire detector

A fire detector is provided with a scanning unit 101 which scans horizontally and vertically for infrared light, utilising a look up table of threshold intensity versus vertical scanning angle to determine whether the light has exceeded a predetermined threshold intensity. Upon detecting infrared light exceeding this threshold, horizontal scanning is stopped leaving just a vertical scanning function which analyses a frequency of the detecting signal though the vertical scan to judge whether the detecting signal is being caused by the fluctuation of a flame. Upon recognising that there is a fire, an extinguisher 150 is aligned with the horizontal stop position of the scanner and an electro-mechanical valve 204 is opened thereby directing water towards the flames. Further embodiments include the use of two sensors to reduce errors due to sunlight or artificial light. ...

FIRE AND EXPLOSION DETECTING APPARATUS

Infrared ray detector

An infrared ray detector comprising an infrared ray detecting body, a pair of opposing portions, a bimorph vibrator connected to the pair of opposing portions for intermitting infrared rays incident upon the detector, and a housing containing these elements, the housing being provided with an opening for incidence of infrared rays. The pair of opposing portions comprise infrared ray transmitting portions and infrared ray non-transmitting portions. The infrared ray transmitting portions in one of opposing portions is periodically overlapped by the bimorph vibrator with the infrared ray transmitting portions or infrared ray non-transmitting portions in the other opposing portion, so that incident infrared rays are intermitted.

A pyroelectric sensor system having a video camera

A pyrolectric sensor system comprises a multi-element pyroelectric array 2, means 1 for focusing infrared radiation from an observed scene onto the array, a visible or near infrared video camera 11, and control apparatus which identifies signals produced by array elements upon the detection of a thermal event in the monitored scene and points the camera towards the event. When several thermal events are detected the camera may be pointed towards the events according to either a predetermined order or the detection order. Preferably the control apparatus determines, from signals from the array elements, the size of the event and the distance of the event from the sensor system, and adjusts the focus of the camera accordingly. A record 21 may be kept of the output from the video camera and the size and distance of any detected event. An alarm 10 may be triggered when an event is detected and a water jet or a light source 22 may also be directed towards a detected event.

Low power detection and alarm

Improvements in or relating to circuit controlling devices

... 1, 009, 049. Photo-resistor circuits. PROTECTOR G.m.b.H. Dec.18, 1961 [Jan. 3,1961], No. 45280/61. Heading G1A. A circuit contains two photo-resistive elements connected in series across a voltage source with different spectral sensitivities so that the circuit is capable of distinguishing, for example, between sunlight and radiation from a fire, that circuit also containing a radiation-producing device connected in parallel with one of said elements so as to be energized by a relative change in the resistances of said elements, and a photo-responsive device positioned to receive radiation from said radiation-producing device and arranged in a circuit to be controlled. The form shown comprises a cell R2 responsive to infra-red radiation in series with a cell B2 responsive to visible light. A neon tube G2 is connected across the cell B2 and any light from it is detected by a photo-resistive element L2 connected to an external circuit. The resistances of the cells R2, B2 will fall when radiation ...

Fire and explosion detection

A system for discriminating between radiation produced by a source of fire or explosion to be detected (e.g. a hydrocarbon fire) and radiation produced by for example incendiary ammunition or pyrophoric combustion caused by an inert round has radiation detectors 10 and 12 respectively responsive to the intensity of radiation in wavelength bands at about 1 micron and 4.4 microns. Threshold units 16 and 32 respectively produce an electrical signal only when the output of detectors 10 and 12 respectively exceed a predetermined value. A rate of rise unit 24 produces a signal only when the rate of rise of the output of detector 10 exceeds a predetermined value. An output gate 18 receives these three signals and causes a delay unit 38 to produce a fire or explosion indicating output only when the output of gate 18 continuously exists for at least a predetermined period of time. ...

Nuclear blast detector

... 1,067,200. Nuclear explosion detection. STANDARD TELEPHONES & CABLES Ltd. Dec.20, 1963 [Jan.2, 1963], No.50402/63. Heading G1A. An arrangement for detecting a nuclear explosion comprises means responsive to a characteristic single cycle of electromagnetic wave which is a phenomenon of such an explosion. A testing device is provided which includes timing means for initiating periodically a test sequence which comprises disconnection of the sensor and the load circuit and injection of a signal which simulates that developed in the sensor by a nuclear explosion. The arrangement preferably includes a duplication of the circuitry tested so that a monitoring watch can be maintained during the period of the test. An infrared sensor comprises a photo-cell, enclosed within a hexagonal parallelepiped of filter glass transparent to an optical bandwidth of 7000-9000 Angstroms mounted on an aluminium base, and surrounded by a transparent housing which screws into the base. An incandescent lamp is included ...

FLAME DETECTING APPARATUS

CONTROL APPARATUS FOR OPERATING RADIATION SENSORS

Improvements in radiation detection device circuits for use in flame sensing

... 993, 506. Sensing conditions photo-electrically. ELECTRONICS CORPORATION OF AMERICA. July 26, 1963 [Aug. 10, 1962], No. 29809/63. Heading G1A. Photo-electric condition sensing apparatus comprises a sensor having a pair of spaced electrodes connected to the secondary of a voltage step-up transformer, the primary thereof being connected to A.C. supply means and means responsive to changes in current flow in the primary consequent upon sensing of the condition. The sensor 10 comprises tungsten electrodes in a hydroden atmosphere. Ultra-violet photons falling on either electrode produce photoelectrons which under the influence of a 700 volt alternating field cause an avalanche breakdown. A sudden decrease in impedance is reflected through the transformer 38 to discharge the condenser 44 to produce pulses at every half cycle of the current source 40. These pulses are picked up across resistors 48 and 49 by a circuit including a filter 60, 62, 64 which is insensitive to the low frequency magnetizing ...

Improvements in or relating to Radiation Detection Apparatus

... 1,172,887. Radiation detection apparatus. K. BUBBINS and S. HALL. May 30, 1968 [June 2, 1967], No. 25676/ 67. Heading G1A. [Also in Division G4] Radiation detecting apparatus e.g. in fire-alarm apparatus comprises a first semi-conductor device PT1 Fig. 1 having a predominant response to radiation in the infrared region, a photo-cell PC, on which the radiation also impinges and having a predominant response in the ultraviolet region, the semi-conductor device and the cell being connected in series across a fixed potential source + -, a fixed potential from a point P having a value less than that of the source applied at the junction T between the semi-conductor device and the cell, and, connected to the point T for causing an alarm to be given in response to a change of potential thereat when the device and cell are irradiated by infrared, but not when they are irradiated by infrared and ultraviolet, a second semi-conductor device PT2 shielded from radiation and from quick acting changes ...

Improvements relating to radiation responsive apparatus

... 777,119. Photo-cell circuits. BRITISH THOMSON-HOUSTON CO., Ltd. April 27, 1955 [April 20, 1954], No. 11366/54. Class 40 (3). An infra-red responsive photo-cell PC is arranged to change the tube of an A.C.-fed gas-filled valve R3 to operate a relay S in its anode circuit. In the arrangement shown the grid of the gas-filled valve is biased negative by rectifier D fed from the output of transformer T but not sufficiently so to cut off the tube. Irradiation of the cell, which with resistance R1 acts as a potential divider, cuts off the thyratron. Relay S then operates the output circuit and increases the negative bias potential in the valve grid by removing a short-circuit from potentiometer P2. Cell PC and resistance R1 may be interchanged when the thyratron may be made normally cut-off and conducting when the cell is illuminated.

PHOTO-ELECTRIC FIRE DETECTORS

RADIATION DETECTORS

Flame detector

ALARM SYSTEM WITH PICTURE-GIVING SENSOR

DETECTION OF THERMALLY INDUCED WHIRLPOOL FORMATION IN LIQUIDS

GENERAL-PURPOSE DETECTOR

PROCEDURE AND SATELLITE FOR THE RECOGNITION OF HOISTING GOALS AT THE GROUND

SMOKE DETECTOR WITH CONTAMINATION MONITORING

PROCEDURE FOR DETECTION A WAERMEQUELLE IN PARTICULAR A FOREST FIRE IN A SUPERVISED ZONE AND SYSTEM FOR THE EXECUTION OF THIS PROCEDURE.

PROCEDURE AND DEVICE FOR DISCOVERING A FIRE BEGINNING.

SEEKING OUT OF FIRE AND HERDS OF EXPLOSION AND SUPPRESSION.

PROCEDURE AND DEVICE FOR THE AUTOMATIC FOREST FIRE RECOGNITION

A detector arrangement for detection of fire risk in a process plant

Modular and expandable fire suppression system

A tire suppression system includes a centralized controller and a plurality of modules (14). Each module includes a housing (30), a printed circuit board (32) with a mounted microprocessor (34), a first connector (36) including a first pair of data wires (38) mounted to the board; and a second connector (40) including a second pair of data wires (42) mounted to the board so that the printed circuit board electrically connects the first and second pairs of data wires. The modules are interconnected with the central controller to define data buses for centralized fire detection, user interface and system response. The connectors of each module interconnect the plurality of modules in series to the central controller.

A FLAME SENSING SYSTEM

Systems and methods for using optical sensors in fire suppression systems

A fire suppression system includes an interface control module, and an interface module. The interface control module can activate a fire suppressant discharge system in response to receiving a fire detection signal. The interface module is connected with the interface control module and is connected with at least one of a first optical sensor and an interface expansion module. The interface expansion module is configured to connect with a second optical sensor. The first optical sensor and the second optical sensor are configured to detect a fire condition at an area of interest and provide the first detection signal to the interface control module in response to detecting the fire. The interface module includes light emitting devices corresponding to the first optical sensor and the interface expansion module, the light emitting devices configured to display different colors indicating a status of the first optical sensor and the interface expansion module.

IMPROVEMENTS IN OR RELATING TO METHOD OF AND SYSTEM FOR DETECTING IN PARTICULAR FOREST FIRES

HEAT AND FOREST FIRE DETECTOR

SYSTEM AND METHOD FOR DETECTING FLAMES

Heat source detection device

This heat source detection device (3), which detects a heat source on the earth by using observation data from a radiometer (10) mounted on a geostationary satellite (1), is provided with: a calculation unit (321) which calculates, with respect to the observation data, a heat source ratio value indicating the ratio of a wavelength distribution caused by a heat source, which is included in the observation data, through curve-fitting using the Plank law; and a determination unit (323) which determines the presence or absence of the heat source according to the heat source ratio value calculated by the calculation unit.

In-line smoke attenuator

In one form the present invention provides an apparatus (10) in an airflow path before a particle detector (38), wherein the apparatus (10) removes a substantially constant proportion of all sizes of airborne particles from the airflow over time. In a preferred form the apparatus includes a flow splitting arrangement (18) configured to divide a fluid flow into a plurality of sub-flows, the splitting arrangement 10 including means (22, 23) for defining a plurality of substantially identically dimensioned flow apertures configured to direct a portion of the fluid into a respective sub-flow.

FLOWTHROUGH IONISATION SMOKE DETECTOR

FIRE EXTINGUISHING AND MONITORING CONTROL SYSTEM

A FLAME SENSOR

DISCRIMINATING FIRE SENSOR

FIRE DETECTION SYSTEMS

Object presence detection using dual wavelength bands

HEAT AND FOREST FIRE DETECTOR

IMPROVEMENTS IN OR RELATING TO METHOD OF AND SYSTEM FOR DETECTING IN PARTICULAR FOREST FIRES

FIRE OR EXPLOSION DETECTION

DEVICE AND METHOD FOR DETECTING FLAMES BY MEANS OF DETECTORS

The invention relates to a device for detecting flames by means of detectors, with subsequent evaluation devices for evaluation of the detector signals, in which at least two identical detectors (1, 2, 3) are disposed next to one another, and each detector (1, 2, 3) is provided with an identical signal processing (amplifier, A/D converter) and a symmetrical and similar layout (conductor track placement), whereby each of the detectors (1, 2, 3) covers a different wavelength range (16, 17, 18), by way of a preceding filter, and the signal detection takes place at the same time and synchronously, so that a precise analysis of the received radiation (12) is made possible by means of simple algorithms, independent of disruptive influence variables, and a method for detecting flames. By means of the use of the same detectors and the same signal processing systems, as well as the symmetrical and similar configuration of the conductor track placement, the layout, as well as by means of the synchronous ...

FIRE SENSOR STATISTICAL DISCRIMINATOR

FIRE SENSOR STATISTICAL DISCRIMINATOR ABSTACT OF THE DISCLOSURE Circuitry for using the statistical properties of detected radiation in the time domain to discriminate between stimuli from fire and non-fire sources. Statistical discriminators for fire sensing may be combined with other types of sensors operating in the frequency domain for developing improved sensitivity with better security against false alarms.

TWO-CHANNEL OPTICAL FLAME DETECTOR

A flame detector which is capable of discriminating between hydrocarbon fires and background radiation produced by the sun, artificial light or black body radiation. Two radiation sensors are provided, each being responsive to separate known radiation peaks produced by a hydrocarbon fire. Logic circuitry is provided which produces an alarm signal only when the radiation received by each sensor is above a predetermined value, and when the radiation received by one specified sensor is greater than the radiation received by the other sensor.

INFRARED DETECTOR

An infrared detector of sufficient sensitivity and stability to provide for the reliable detection of a glowing ember moving through an enclosed carrier system (duct or conveyor) in which a photo-resistive device for viewing the interior of the carrier is connected into suitable circuitry that does not respond to slowly changing ambient light, but which produces a voltage pulse in response to a moving glowing ember passing through the field of view of the detector, said voltage pulse being utilized to provide an output signal which may actuate an alarm or release extinguishant.

TELEVISION SURVEILLANCE SYSTEM

FLAME SENSING SYSTEM

A flame sensing system according to the invention makes use of infra-red rays produced by resonant radiation of carbon dioxide in o flame and gives no wrong information duo to discharge of thunder or sunlight and has high sensitivity with good S/N ratio. The flame sensing system is characterized in that when a ratio of an output of intensity of a first radiation produced by resonant radiation of carbon dioxide to an output of intensity of a second radiation having a wavelength located in the vicinity of the wavelength of said first radiation in the region of wavelength in which there is little absorption by the carbon dioxide in the air exceeds a predetermined value, difference in intensity between said first radiation and said second radiation is detected either by increasing the output of said first radiation or by decreasing the output of said second radiation thereby to give a warning.

FIRE AND EXPLOSION DETECTION

A fire and explosion detection system for discriminating between radiation produced by a source of fire or explosion to be detected and radiation produced by a source of fire or explosion not to be detected, comprises two radiation detectors respectively responsive to the intensity of radiation in different wavelength bands to produce respective electrical outputs. One detector responds to a wavelength band including 4.4 microns (to detect hydrocarbon fires). In one embodiment, the latter band is relatively narrow and included by the band to which the other detector responds which is relatively broad. In another embodiment, the bands of both detectors are relatively narrow. A rate of rise unit and a threshold unit responsive to the first detector produce signals of one type when the rate of rise of, and the value of, the intensity of the radiation received by that detector exceed predetermined values. A ratio unit measures the ratio of the intensities of the radiation respectively received ...

FLAME DETECTION SYSTEM

FLAME DETECTOR

FIRE AND EXPLOSION DETECTION

FIRE DETECTION SYSTEM WITH IR AND UV RATIO DETECTOR

IMPROVEMENT(S) RELATED TO PARTICLE MONITORS AND METHOD(S) THEREFOR

INCIPIENT FIRE DETECTOR

FLAME AND SMOKE DETECTOR

A fire and smoke detector (4) utilizes a statistical analysis of the near infrared radiation incident on it. The spectral radiation intensities incident on the fire detector are continuously measured at two near-infrared wavelengths, and a time series of apparent source temperatures is obtained from these measurements. The power spectral density (PSD) and the probability density function (PDF) of the apparent source temperatures are sufficient to determine the presence of a fire in the vicinity of the detector (4). The detector (4) can indicate the presence of a fire in an adjoining room from the radiation which is incident on it due to reflections from common building materials. The present invention relates to fire and/or smoke detection methodology and associated apparatus. The detector (4) utilizes fiber optic as a viewing and absorption/scattering detection means.

PASSIVE MICROWAVE FIRE AND INTRUSION DETECTION SYSTEM

A passive microwave receiver array, operating in the one meter to sub-millimeter wavelengths range and including an internationally protected range of frequencies of varying bandwidth, may be used for fire and intrusion detection. One or more receiver array can be used to provide a plurality of frequency ranges that can be detected. In an interior installation, one or more receiver array can be placed inside a wall. In other embodiments, the receiver and array can be in the form of a hand-held or wearable device. This method and apparatus achieves high performance by exploiting conventional low noise amplification block conversion circuits and provides the detection of thermal signals through clear, smoky, misty, or environmentally untenable conditions as well as the detection of fire and intrusion events through a non-metallic wall.

FIRE DETECTION METHOD AND APPARATUS USING OVERLAPPING SPECTRAL BANDS

An optical fire detector employs two or more sensors operating a different spectral bands. The spectral bands are selected to have approximately coincident cut-off wavelengths in order to make the detector's ability to positively identify a fire more uniform over its field of view. The use of three overlapping spectral bands provides the detector with enhanced detection capabilities for large, hot fires that behave like black body radiators.

Auf Infrarot-Strahlung ansprechende Vorrichtung

Dispositif pour la détection des flammes nues.

Procédé pour la détection et la neutralisation d'une explosion naissante et appareil pour la mise en oeuvre du procédé

Appareil détecteur et indicateur de rayonnement

Flammenüberwachungseinrichtung mit Spannungsstabilisierung

Dispositif automatique pour la détection et l'extinction d'une explosion

Einrichtung zur Feststellung von Rauch

Einrichtung zur Ermittlung der durch eine Flamme erzeugten ultravioletten Strahlung

Verfahren und Einrichtung zur Feststellung eines Feuers oder einer Flamme mittels dessen bzw. deren ausgesandten Strahlung

Verfahren zur Flammenmeldung und Flammenmelder zur Durchführung des Verfahrens

Flammen-Detektor

Installation de détection de feu

Vorrichtung zur Steuerung eines Stromkreises in Abhängigkeit der Lichtstrahlung einer Flamme

Appareil détecteur photo-électrique

Einrichtung zur Ermittlung der durch eine Flamme erzeugten ultravioletten Strahlung

Circuit d'alimentation d'un détecteur de radiations à tube de Geiger

Dispositif de surveillance à auto-contrôle

Flammen-Detektor

Detektor für Kernexplosionen

Dispositif d'alarme

VERFAHREN ZUR FLAMMEN-DETEKTION UND VORRICHTUNG ZUR DURCHFUEHRUNG DIESES VERFAHRENS.

Electronic circuits for fire detection equipment - allow accurate setting of thresholds for monitoring outputs of ionization chamber

The circuit has two essential states, namely a quiescent state and an alarm state, in which an increased demand by the circuit for current triggers off an alarm at the far end of the transmission line feeding the circuit. Three of the circuits cater for ionization chamber transducers i n which a reference ionization chamber and a measurement chamber are connected in series, and the relative voltage drop is monitored by a FET with an accurately set threshold arrangement. When this threshold is exceeded, a flip-flop is triggered which demands an increased current and prompts an alarm. The threshold setting arrangements and transistor dependence characteristics may vary.

[...] DE fLAME.

DETECTEUR DE fLAME.

Detector for chemical, biological and/or radiological attacks

This specification generally relates to methods and algorithms for detection of chemical, biological, and/or radiological attacks. The methods use one or more sensors that can have visual, audio, and/or thermal sensing abilities and can use algorithms to determine by behavior patterns of people whether there has been a chemical, biological and/or radiological attack.

Video analytics with pre-processing at the source end

A method for performing video analytics includes receiving at a source end video data including first video data relating to an event of interest. Using video analytics, other than a data compression process, pre-processing of the video data is performed at the source end to reduce the bandwidth requirement for transmitting the video data to below a bandwidth limit of a Wide Area Network (WAN) over which the video data is to be transmitted. The pre-processed video data is transmitted to a central server via the WAN, where other video analytics processing of the pre-processed video data is performed. Based on a result of the other video analytics processing, a signal is generated for performing a predetermined action, in response to an occurrence of the event of interest at the source end.

Event detection system and method using image analysis

Provided is an event detection system including an image acquisition unit that acquires an image of a predetermined region, an image analysis unit that obtains focus data including a focus distance and a focus gain of the acquired image, an event occurrence determination unit that determines based on the focus data whether an event has occurred, and an alarm generation unit that generates an alarm signal according to an event signal transmitted from the event occurrence determination unit.

Infrared sensor systems and methods

Infrared imaging systems and methods disclosed herein, in accordance with one or more embodiments, provide for a wireless thermal imaging system comprising one or more wireless thermal image sensors adapted to capture and provide thermal images of structural objects of a structure for monitoring moisture of the structural objects and a processing component adapted to receive the thermal images of the structural objects from the one or more wireless thermal image sensors, and process the thermal images of the structural objects to generate moisture content information for remote analysis of restoration conditions of the structural objects.

PHOTOELECTRIC SMOKE DETECTOR WITH DRIFT COMPENSATION

A smoke detector is disclosed that comprises a smoke detection chamber comprising: a light source operable to provide radiation to an interior space of the smoke detection chamber, and a light detector operable to receive radiation scattered by one or more radiation scatting particles in the interior of the smoke detection chamber; an alarm control module, in communication with the smoke detection chamber and a processor, operable to produce an alarm indicating a presence of a predetermined threshold of the one or more radiation scattering particles; a computer readable medium comprising instructions that when executed by the processor, cause the detector to perform an alarm compensation threshold method comprising: comparing a calibrated clear air voltage measurement with an average clear air voltage measurement; adjusting an alarm threshold sensitivity, based at least in part, on the comparison of the calibrated clear air voltage measurement and the average clear air voltage measurement. 1. A smoke detector comprising: a light source operable to provide radiation to an interior space of the smoke detection chamber, and', 'a light detector operable to receive radiation scattered by one or more radiation scatting particles in the interior of the smoke detection chamber;, 'a smoke detection chamber comprisingan alarm control module, in communication with the smoke detection chamber and a processor, operable to produce an alarm indicating a presence of a predetermined threshold of the one or more radiation scattering particles; comparing a calibrated clear air voltage measurement with an average clear air voltage measurement;', 'adjusting an alarm threshold sensitivity, based at least in part, on the comparison of the calibrated clear air voltage measurement and the average clear air voltage measurement., 'a computer readable medium comprising instructions that when executed by the processor, cause the detector to perform an alarm compensation threshold method ...

MOBILE COMMUNICATION TERMINAL WITH A FIRE ALARM APPLICATION ABLE TO BE EXECUTED THEREON AND ALSO A FIRE ALARM APPLICATION ABLE TO BE DOWNLOADED FROM AN ONLINE INTERNET STORE PORTAL

A smartphone or media player mobile communication terminal features a camera, an output unit, a data memory and a processor connected thereto. The data memory stores applications. The applications are loaded and executed by the processor. A fire alarm application is stored in the data memory, which in response to a user request, is loaded by the processor and executed. The fire alarm application features suitable program elements for analyzing the video image data recorded by the camera in respect of at least one item of information characteristic of fire and, if this information is present, for outputting an alarm via the output unit. The fire alarm application can be downloaded from an online Internet store portal for computer programs and designed for execution on the portable mobile communication terminal. 1. A smartphone or media player portable mobile communication terminal comprising:a camera to record video image data;a non-volatile data memory connected to the camera, to store applications, the applications including a fire alarm application that analyzes the video image data with respect to a characteristic of fire; anda processor connected to the data memory, to load and execute the applications as requested by a user, the processor producing a fire signal if the characteristic of fire is detected when executing the fire application; andan output unit connected to the processor, to output an alarm if the processor produces the fire signal.2. The communication terminal as claimed in claim 1 , wherein the fire alarm application detects an open flame by analyzing modulated information from open fire.3. The communication terminal as claimed in claim 2 , wherein the fire alarm application analyzes modulated emissions of open fire with respect of a characteristic flicker frequency and/or a characteristic color spectrum.4. The communication terminal as claimed in claim 1 , wherein the fire alarm application analyzes a moving area in the video image data by ...

System and methods for detecting, confirming, classifying, and monitoring a fire

One variation of a method for detecting a fire includes: during a first time period: detecting an increase in ambient light intensity and detecting an increase in ambient humidity; responsive to the increase in ambient light intensity and the increase in ambient humidity, detecting a fire event; during a second time period: correlating a decrease in ambient light intensity with an increase in visual obscuration; detecting an increase in ambient air temperature; in response to a magnitude of the increase in visual obscuration remaining below a high obscuration threshold and a magnitude of the increase in ambient temperature remaining below a high temperature threshold, classifying the fire as an incipient fire; and, in response to the magnitude of the increase in visual obscuration exceeding the high obscuration threshold and the magnitude of the increase in ambient temperature exceeding the high temperature threshold, classifying the fire as a developed fire.

INFORMATION PROVIDING METHOD AND INFORMATION PROVIDING APPARATUS

A cloud server () receives environmental information of respective installation sites of a plurality of appliances () via a network (), and determines one or more appliances that are installed in a same room among the plurality of appliances (), based on the received environmental information. 1. An information providing method for use in an information providing apparatus connected to a plurality of appliances via network , the method comprising:receiving a signal indicating that an acquisition of a voice of a user is made from a an appliance for acquiring the voice of the user, the appliance being connected via the network;specifying one or more sound generators installed in a room where the appliance for acquiring the voice of the user is installed and each generating sound in accordance with an operation, by referring to a list of one or more appliances that are installed in a same room among the plurality of appliances; andoutputting a control signal for lowering volume of the sound generated in the room from at least one sound generator of the one or more sound generators to the at least one sound generator of the one or more sound generators;receiving position specifying information specifying a location of the plurality of appliances in the room and specifying a location of the user in the room;determining when a distance between the location of the at least one sound generator and the location of the user in the room indicates a predetermined value or greater based on the received position specifying information; andkeeping the control signal from being output when the distance is determined to indicate the predetermined value or greater.2. The information providing method according to claim 1 , whereinthe at least one sound generator represents an AV system.3. The information providing method according to claim 2 , whereinthe control signal is a signal for lowering a volume of the sound output in the room from the AV system.4. The information providing ...

Airplane-Mounted External Fire Detection System

An aircraft-mounted external fire detection system includes optical circuitry and processing circuitry. The optical circuitry is mounted on an aircraft forward of an engine nacelle of the aircraft, and is configured to optically monitor an exterior of the engine nacelle for a hydrocarbon fire by detecting radiation outside of the visible light spectrum. The processing circuitry is communicatively coupled to the optical circuitry and is configured to use the optical circuitry to determine that the fire has been continuously present for more than a threshold duration, and in response, transmit a warning to an operator terminal of the aircraft. 1. An aircraft-mounted external fire detection system comprising:optical circuitry mounted on an aircraft forward of an engine nacelle of the aircraft, the optical circuitry being configured to optically monitor an exterior of the engine nacelle for a hydrocarbon fire by detecting radiation outside of the visible light spectrum;processing circuitry communicatively coupled to the optical circuitry and configured to use the optical circuitry to determine that the fire has been continuously present for more than a threshold duration, and in response, transmit a warning to an operator terminal of the aircraft.2. The aircraft-mounted external fire detection system of claim 1 , wherein to optically monitor the exterior of the engine nacelle claim 1 , the optical circuitry has a field of view comprising a perimeter substantially defined by a maximum expected deflection of the engine nacelle relative to the optical circuitry under maneuvering load of the aircraft such that the exterior of the engine nacelle remains within the field of view during the maneuvering load.3. The aircraft-mounted external fire detection system of claim 1 , wherein to transmit the warning to the operator terminal claim 1 , the processing circuitry is configured to control the operator terminal to display video of the engine nacelle.4. The aircraft-mounted ...

Methods and systems for fire detection

In accordance with various aspects of the present disclosure, methods and systems for fire detection are disclosed. In some embodiments, a method for fire detection includes: acquiring data related to a monitored area, wherein the data comprises image data related to the monitored area; determining, based on the acquired data, whether a first mode or a second mode is to be executed for fire detection, wherein the first mode comprises a first smoke detection, and the second mode comprises a first flame detection; and executing, by a hardware processor, at least one of the first mode or the second mode based on a result of the determination.

SYSTEM AND METHOD TO IDENTIFY OBSCURATION FAULT IN A FLAME DETECTOR

Embodiments relate generally to systems and methods for detecting obscuration of a window of a flame detector. A flame detector may comprise a housing; a window attached to the housing, wherein the window allows radiation to pass through to the interior of the housing; a transmitter configured to emit electromagnetic radiation; a receiver configured to receive electromagnetic radiation emitted by the transmitter; and a plurality of angled surfaces configured to direct the electromagnetic radiation from the transmitter through at least a portion of the window and toward the receiver. 1. A flame detector comprising:a housing;a window attached to the housing, wherein the window allows radiation to pass through to the interior of the housing;a transmitter configured to emit electromagnetic radiation;a receiver configured to receive electromagnetic radiation emitted by the transmitter; anda plurality of angled surfaces configured to direct the electromagnetic radiation from the transmitter through at least a portion of the window and toward the receiver.2. The flame detector of claim 1 , wherein the transmitter and the receiver are located below the plane of the window.3. The flame detector of claim 1 , wherein the plurality of angled surfaces comprises:a first angled surface configured to direct the electromagnetic radiation from the transmitter into a plane at least parallel to the plane of the window;a second angled surface configured to direct the electromagnetic radiation within the plane at least parallel to the plane of the window;a third angled surface configured to direct the electromagnetic radiation within the plane at least parallel to the plane of the window; anda fourth angled surface configured to direct the electromagnetic radiation out of the plane at least parallel to the plane of the window toward the receiver.4. The flame detector of claim 1 , wherein the plurality of angled surfaces comprises at least two angled surfaces.5. The flame detector of ...

FLAME DETECTOR FIELD OF VIEW VERIFICATION VIA REVERSE INFRARED SIGNALING

Embodiments relate generally to systems, devices, and methods for verifying operation of an optical flame detector. A system may comprise an optical flame detector, wherein the optical flame detector comprises: a digital infrared test signal source, wherein the digital infrared test signal source is configured to transmit a digital infrared test signal; and at least one of an ultraviolet light sensor, a visible light sensor, and an infrared sensor; and an portable infrared test receiver, wherein the digital infrared test signal is receivable by the portable infrared test receiver, wherein the portable infrared test receiver is positioned to indicate whether a location of potential fire is within a field of view of the optical flame detector. 1. An optical flame detector comprising: ["a digital infrared test signal source, wherein the digital infrared test signal source is configured to transmit a digital infrared test signal, wherein the digital infrared test signal comprises at least one of: a serial number of the optical flame detector, a user's mnemonic name, sensor sensitivity, time since a last reboot of the optical flame detector, a real time clock value of the optical flame detector, and current analog optical signal levels; and", 'at least one of an ultraviolet light sensor, a visible light sensor, and an infrared sensor., 'a housing, wherein the housing comprises2. The optical flame detector of claim 1 , wherein the digital infrared test signal source is configured to transmit a digital infrared test signal at an angle ranging from about 100° to about 170° relative to an x-axis claim 1 , a y-axis claim 1 , or a z-axis.3. The optical flame detector of claim 2 , wherein a transmitting range for the digital infrared test signal source is about 0 meters to about 60 meters.4. The optical flame detector of claim 3 , wherein a transmission frequency of the digital infrared test signal is from about 30 kilohertz to about 60 kilohertz.5. The optical flame detector ...

THERMOGRAPHIC DETECTOR DEVICE FOR A FIRE ALARM CONTROL SYSTEM

A thermographic detector device for a fire alarm control system is described herein. In some examples, one or more embodiments include a thermography camera configured to capture a thermal image within a field of view of the thermographic detector device, a memory and a processor to execute instructions stored in the memory to detect a fault associated with the thermographic detector device, wherein the fault includes at least one of a field of view fault, an operating parameter fault, and an internal fault, generate a fault signal upon detecting the fault, and provide a notification of the fault using the fault signal. 1. A thermographic detector device for a fire alarm control system , comprising:a thermography camera configured to capture a thermal image within a field of view of the thermographic detector device;a memory; and detect a degradation of view of the thermographic detector device that prevents the thermographic detector device from detecting a fire;', 'detect a field of view fault associated with the degradation of the view of the thermographic detector device;', 'generate a fault signal upon detecting the fault; and', 'provide a notification of the fault using the fault signal., 'a processor configured to execute instructions stored in the memory to2. The thermographic detector device of claim 1 , wherein the processor is configured to execute instructions stored in the memory to:generate an alarm signal upon detecting flames within a thermal image; andprovide a notification of the flames using the alarm signal.3. The thermographic detector device of claim 1 , wherein the field of view fault includes at least one of an obstruction in the field of view of the thermographic detector device claim 1 , a fault associated with a lens cleansing operation of the thermographic detector device claim 1 , and a masking of the thermographic detector device.4. The thermographic detector device of claim 1 , wherein the processor is configured to detect an operating ...

VIDEO ANALYTICS WITH PRE-PROCESSING AT THE SOURCE END

A method for performing video analytics includes receiving at a source end video data including first video data relating to an event of interest. Using video analytics, other than a data compression process, pre-processing of the video data is performed at the source end to reduce the bandwidth requirement for transmitting the video data to below a bandwidth limit of a Wide Area Network (WAN) over which the video data is to be transmitted. The pre-processed video data is transmitted to a central server via the WAN, where other video analytics processing of the pre-processed video data is performed. Based on a result of the other video analytics processing, a signal is generated for performing a predetermined action, in response to an occurrence of the event of interest at the source end. 1. A method comprising:receiving video data at a source end, the video data including video data relating to an event of interest captured using a video camera disposed at the source end;pre-processing the video data comprising performing first video analytics on the video data using a first processor disposed at the source end, the first video analytics for detecting the event of interest in a portion of the video data;in dependence upon detecting the event of interest in the portion of the video data, transmitting pre-processed video data comprising the portion of the video data, via a Wide Area Network (WAN), from the source end to a second processor connected to the WAN;transmitting with the portion of the video data at least a pre-processing result other than the pre-processed video data itself;using the second processor, interpreting the pre-processing result and selecting second video analytics processing based on a result of the interpreting; and performing the second video analytics processing on the portion of the video data, the second video analytics for determining predetermined information relating to the event of interest.2. A method according to claim 1 , wherein ...

FLAME DETECTORS

A flame detector includes a UV sensor sensitive to solar UV radiation and a secondary sensor sensitive to non-UV radiation. A controller is operatively connected to the UV sensor and the secondary sensor to: signal an alarm in response to receiving input from the UV sensor indicative of a strong UV source and input from the secondary sensor indicative of a weak non-UV radiation source; and suppress an alarm in response to receiving a signal from the UV sensor indicative of a strong UV source and a signal from the secondary sensor indicative of a strong non-UV radiation source. 1. A flame detector comprising:a UV sensor sensitive to solar UV radiation;a secondary sensor sensitive to non-UV radiation; and signal an alarm in response to receiving input from the UV sensor indicative of a strong UV source and input from the secondary sensor indicative of a weak non-UV radiation source; and', 'suppress an alarm in response to receiving a signal from the UV sensor indicative of a weak UV source and a signal from the secondary sensor indicative of a strong non-UV radiation source., 'a controller operatively connected to the UV sensor and the secondary sensor to2. The flame detector as recited in claim 1 , wherein the secondary sensor is a NIR sensor sensitive to NIR radiation claim 1 , and wherein the controller is operatively connected to the NIR sensor to:signal an alarm in response to receiving input from the UV sensor indicative of a strong UV source and input from the secondary sensor indicative of a weak NIR radiation source; andsuppress an alarm in response to receiving a signal from the UV sensor indicative of a weak UV source and a signal from the secondary sensor indicative of a strong NIR radiation source.3. The flame detector as recited in claim 2 , further comprising a visible radiation sensor sensitive to visible radiation claim 2 , wherein the visible radiation sensor is operatively connected to the controller for using the ratio of signals from the visible ...

Suction Particle Detection System With Light Guide System

The invention relates to a suction particle detection system () for detecting a fire, comprising a fluid line system () which opens into one or more monitored areas (i), and having a suction device (), connected in a fluid-guiding manner to the at least one pipe and/or hose line () in order to generate a test fluid flow () along the at least one pipe and/or hose line (), and a light guiding system () having one or more local detector modules () and designed for the local capture and transmission of scattered light scattered at scattering and/or smoke particles and/or designed for the capture and transmission of transmitted light passing through the scattering and/or smoke particles. In the suction particle detection system () at least one light guide () is connected to the one or more local detector modules () and a central analysis device () for evaluation. 1. A suction particle fire detection system , for detecting or locating a fire or a fire emergence , comprising{'b': ['200', '210', '220', '230', '210', '211', '210'], '#text': 'a fluid guiding system () having at least one pipe or hose line () which, via one or more suction openings () for the respective removal of an amount of test fluid, opens into one or more monitored areas (i), and having a suction device (), which is connected in a fluid-guiding manner to the at least one pipe or hose line () in order to generate a test fluid flow () along the at least one pipe or hose line (), and'}{'b': ['300', '320', '220', '211', '310', '320', '110', '320'], '#text': 'a light guiding system () having one or more local detector modules () each assigned to at least one suction opening () and designed for local capture and transmission of scattered light scattered at particles or smoke particles present in the respective monitored area (i) or the test fluid flow (), and configured for the capture and transmission of transmitted light passing through the particles or smoke particles, and having at least one light guide () ...

FLAME DETECTION DEVICE AND METHOD

A method of detecting a flame in an image comprising the step of acquiring a series of infrared images from an infrared imager. Image flow vectors are calculated for each of the series of infrared images and stored in a corresponding 2D vector array. At least one 3D image flow data set is generated from the corresponding 2D vector arrays. A 2D pixel intensity array is generated for each of the series of infrared images. A 3D pixel intensity data set is generated from the 2D pixel intensity arrays. A Fourier Transform and infrared metrics are calculated. The infrared metrics are compared to an infrared threshold criteria. A corresponding 2D threshold array for each of the series of infrared images is generated. A 3D threshold data set is generated from the 2D threshold arrays. A flame status is determined based on the 3D threshold data set. 1. A method of detecting a flame in an image comprising the steps of:acquiring a series of infrared images from an infrared imager;calculating image flow vectors for each of the series of infrared images and storing the image flow vectors in a corresponding 2D vector array;generating at least one 3D image flow data set from the corresponding 2D vector arrays;generating a 2D pixel intensity array for each of the series of infrared images;generating a 3D pixel intensity data set from the 2D pixel intensity arrays;calculating a Fourier Transform based on the at least one 3D image flow data set and the 3D pixel intensity data set;calculating infrared metrics based on the at least one 3D image flow data set, the 3D pixel intensity data set, the Fourier Transform based on the 3D image flow data set, and the Fourier Transform based on the 3D pixel intensity data set;comparing the infrared metrics to an infrared threshold criteria to detect a flame;generating a corresponding 2D threshold array for each of the series of infrared images based on the infrared metrics and generating a 3D threshold data set from the 2D threshold arrays; ...

SYSTEMS AND METHODS FOR IDENTIFYING SMOKING IN VEHICLES

A vehicle system includes: smoke sensors located at different locations within a passenger cabin of a vehicle and configured to measure amounts of cigarette smoke at the locations, respectively, within the passenger cabin of the vehicle; and a smoking module configured to, based on the measured amounts of cigarette smoke, determine that: a smoking event occurred at a first location within the passenger cabin; and the smoking event did not occur at a second location that is different than the first location within the passenger cabin of the vehicle. 1. A vehicle system , comprising:smoke sensors located at different locations within a passenger cabin of a vehicle and configured to measure amounts of cigarette smoke at the locations within the passenger cabin of the vehicle; and a smoking event occurred at a first location; and', 'the smoking event did not occur at a second location that is different than the first location within the passenger cabin of the vehicle., 'a smoking module configured to, based on the measured amounts of cigarette smoke, determine that2. The vehicle system of wherein the smoking module is configured to determine that the smoking event occurred at the first location and not at the second location based on a first amount of cigarette smoke measured by a first one of the smoke sensors at the first location increasing before a second amount of cigarette smoke measured by a second one of the smoke sensors at the second location.3. The vehicle system of wherein the first location is a driver's seat within the passenger cabin of the vehicle and the second location is another seat within the passenger cabin of the vehicle.4. The vehicle system of wherein the first location is outside of the vehicle.5. The vehicle system of wherein the first location is within another vehicle.6. The vehicle system of wherein the smoking module is configured to determine that the smoking event occurred at the first location and not at the second location when the ...

FIRE DETECTION METHOD, FIRE DETECTION APPARATUS AND ELECTRONIC EQUIPMENT

Embodiments of this disclosure provide a fire detection method, a fire detection apparatus and electronic equipment. The fire detection apparatus includes: a first extracting unit configured to extract at least one group of fire candidate regions from a predetermined number of consecutive frames of surveillance images; a first calculating unit configured to calculate variance of directivity angles of a predetermined vector, variance of amplitudes of the predetermined vector and variance of Hu moments of the fire candidate regions; wherein, the predetermined vector is a vector connecting a position of a center of mass and a position of a highest point in each fire candidate region; and a first judging unit configured to judge whether each group of fire candidate regions is regions where fires may be or are occurring according to the variance of directivity angles of the predetermined vector, the variance of amplitudes of the predetermined vector and the variance of Hu moments. With these embodiments, fires may be detected accurately at nights, and influence of such factors as lamp light may be avoided. 1. A fire detection apparatus , which detects a fire according to a surveillance image , the apparatus comprising: a first extracting unit configured to extract at least one group of fire candidate regions from a predetermined number of consecutive frames of surveillance images; wherein, a fire candidate region is extracted from each frame of surveillance images of the predetermined number of consecutive frames of surveillance images, to form the one group of fire candidate regions, a fire candidate region of the last frame of surveillance images of the predetermined number of consecutive frames of surveillance images in the one group of fire candidate regions overlapping with fire candidate regions of a remainder of frames of surveillance images;', 'a first calculating unit configured to calculate variance of directivity angles of a predetermined vector, variance of ...

ENERGY STORAGE SYSTEM AND FIRE CONTROL METHOD OF THE ENERGY STORAGE SYSTEM

Provided are an energy storage system (ESS) capable of increasing precision of a fire control system to accurately determine and extinguish a fire, and a fire control method of the ESS. The ESS according to the present disclosure includes a container, a heating, ventilation and air conditioning (HVAC) system, and a fire control system, wherein the fire control system includes a fire extinguisher and a control panel, a smoke detector, a heat detector, and a flame detector mounted in the container, and a duct smoke detector mounted in a duct of the HVAC system, and wherein the control panel has a mode for operating the fire extinguisher when all of the smoke detector, the heat detector, and the flame detector detect a fire, a mode for operating the fire extinguisher when the duct smoke detector detects a fire, and a mode for operating the fire extinguisher when a manipulation button is operated. 1. An energy storage system (ESS) comprising:a container having an accommodation space therein;a heating, ventilation and air conditioning (HVAC) system configured to condition internal air of the container, to adjust an internal temperature of the container, and to adjust natural wind flowing into the container; anda fire control system provided in the container,wherein the fire control system comprises:a fire extinguisher and a control panel located in the accommodation space;a smoke detector, a heat detector, and a flame detector mounted in the container; anda duct smoke detector mounted in a duct of the HVAC system, andwherein the control panel has:a mode for operating the fire extinguisher when all of the smoke detector, the heat detector, and the flame detector detect a fire;a mode for operating the fire extinguisher when the duct smoke detector detects a fire; and{'b': '20', 'a mode for operating the fire extinguisher when a manipulation button is operated.'}2. The ESS of claim 1 , wherein the fire extinguisher is a valve-type extinguishing gas sprayer.3. The ESS of ...

MOTION DETECTION SYSTEM BASED ON USER FEEDBACK

A method, device, and system for video monitoring based on feedback provided by one or more users. The device includes a processor configured to acquire video data and analyze the video data, based on a set of rules, to determine whether to generate an alert indicating a motion event. The processor of the device is further configured to transmit the alert to a recipient f an alert is generated and to update the set of rules based on feedback or an action of the recipient in response to the alert. 1. A method for video monitoring , comprising:acquiring video data;analyzing the video data, based on a set of rules, to determine whether to generate an alert indicating a motion event:transmitting the alert to a first recipient if an alert is generated; andupdating the set of rules based on feedback or an action of the first recipient in response to the alert.2. The method of . wherein:the analyzing the video data occurs at a server, andthe updating the set of rules occurs at the server.3. The method of claim 1 , wherein:the analyzing the video data occurs at a video camera, andthe updating the set of rules occurs at the video camera,4. The method of claim 1 , wherein the feedback or the action of the first recipient in response to the alert includes information indicating whether the alert is accurate.5. The method of claim 1 , wherein the feedback or the action of the recipient party in response to the alert includes information indicating a category of the motion event.6. The method of claim 1 , further comprising transmitting the alert to a second recipient.7. The method of claim 6 , further comprising:receiving feedback or an action from the second recipient; andupdating the set of rules based on feedback or an action of the second recipient in response to the alert.8. The method of claim 1 , further comprising:receiving training data; andupdating the set of rules based on the training data,9. A device for video monitoring claim 1 , comprising:a memory; and acquire ...

INTELLIGENT SPACE SAFETY MONITORING APPARATUS AND SYSTEM THEREOF

Disclosed is an intelligent space safety monitoring system, including: a management server for storing and outputting data, a state sensing unit disposed in a sensing space to be sensed and for transmitting a sensing value having sensed a normal state or an abnormal state within the sensing space to the management server, a sensing space photographing unit for transmitting a first screen having photographed the sensing space of the normal state as a case where the sensing value sensed by the state sensing unit is smaller than a setting value and a second screen having photographed the sensing space of the abnormal state as a case where the sensing value sensed by the state sensing unit is the setting value or more to the management server, and an abnormal state determining unit for determining the sensing space as a risk state. 1. An intelligent space safety monitoring system , comprising:a management server for storing and outputting data;a state sensing unit disposed in an arbitrary space to be sensed (hereinafter, referred to as ‘sensing space’), and for transmitting a sensing value having sensed a normal state or an abnormal state within the sensing space to the management server;a sensing space photographing unit for transmitting a first screen having photographed the sensing space of the normal state as a case where the sensing value sensed by the state sensing unit is smaller than a setting value and a second screen having photographed the sensing space of the abnormal state as a case where the sensing value sensed by the state sensing unit is the setting value or more to the management server; andan abnormal state determining unit for determining the sensing space as a risk state by comparing the first screen and the second screen when the sensing value transmitted from the state sensing unit is the setting value or more, and transmitting the risk state to a user,wherein the setting value is set variously according to the usage aspect of the sensing space.2. ...

Fire Safety Devices Methods and Systems

A fire safety system particularly adapted for commercial kitchen applications provides control of exhaust levels for energy efficiency and intelligently responds to fires or fire risks. In embodiments, systems may provide early warning of fire hazards or impending fires. Embodiments employ probabilistic estimates with alarms that can be canceled. Embodiments employ classifiers that can make use of alarm cancellations as a mechanism for supervised learning. 198-. (canceled)99. A system for detecting a fire , comprising:a plurality of sensors;a response system; anda controller connected to the plurality of sensors, the controller implementing one or more signal filters to process signals from the plurality of sensors and apply a result to a classifier implemented on the controller, the classifier outputting a fire detection signal and a confidence level and applying the output to the response system, wherein the plurality of sensors includes an imaging device positioned in a duct and the response system includes a water sprayer, and the imaging device applies an image to said one or more signal filters which are adapted to detect a gas-born ember.100. The system of claim 99 , wherein the response system includes a fire suppression system.101. The system of claim 99 , wherein the response system includes a fire suppression that employs a suppressant to extinguish a fire claim 99 , wherein the suppressant includes at least one of a chemical suppressant claim 99 , a gaseous suppressant claim 99 , or a liquid suppressant.102. The system of claim 101 , wherein the classifier outputs data characterizing a fire.103. The system of claim 102 , wherein the fire is characterized according to at least one of a type of fuel claim 102 , a size of the fire claim 102 , an amount of smoke claim 102 , or a temperature.104. The system of claim 103 , wherein the response system receives said data characterizing the fire and selects one or at least two response modes responsively to said ...

SMART FIRE DETECTOR

A smart fire detector according to the present invention includes a sensing unit configured to detect one or more fire elements, a controller configured to analyze sensing signals detected by the sensing unit to determine whether a fire has occurred and to output a fire signal upon determining one or more of the fire elements to be a fire, an imaging unit configured to take an image of an area in which the fire elements have been detected according to the fire signal and to extract an image and a picture of a high-definition snapshot from the taken image, and a notification unit configured to output a fire alarm and near fire escape route guidance sound according to the fire signal. Accordingly, the present invention can notify not only of a fire but also of a detected fire element for each type through analysis of a detected fire element. 1. A smart fire detector comprising:a sensing unit configured to detect one or more fire elements;a controller configured to analyze sensing signals detected by the sensing unit to determine whether a fire has occurred and to output a fire signal upon determining one or more of the fire elements to be relevant to a fire occurrence;an imaging unit configured to take an image of an area in which the fire elements are detected according to the fire signal and to extract an image and a picture of a high-definition snapshot from the taken image; anda notification unit configured to output a fire alarm and near fire escape route guidance sound according to the fire signal,wherein the fire elements include at least one of heat, smoke, gases, and particulate matter, and the controller includes a communication unit configured to transmit the image and the picture of the high-definition snapshot extracted through the imaging unit to a control center, and a determination unit configured to compare measurement values of the fire elements detected by the sensing unit with preset reference values and analyze comparison results,wherein the ...

PARTICLE DETECTION

A particle detection system (), such as an active video smoke detection system, includes at least one illumination means () for directing a beam () of radiation through at least part of the air volume being monitored (), an image sensor () is positioned to capture images of at least part of a beam () from illumination moans (); and means to analyse () the captured images to detect the presence of particles within the volume. At least 29 different aspects are described for improving the sensitivity, usability, and robustness of particle detection. These include, for example, configuring illumination means () to create a curtain of light or a rapidly-scanned beam across the air volume (), and configuring a reflector to steer or change direction of a beam reflected from illumination means (). 120-. (canceled)21. A method in an AVSD system , comprising:detecting a presence of scattered light over a period of time; andanalysing at least one characteristic of the sensed light over at least a portion of the volume to determine whether the light has been scattered by solid object or particles in the volume being monitored.22. A method as claimed in claim 21 , wherein the method includes indicating a fault if a solid object is detected.23. A method as claimed in claim 21 , wherein the method includes repeating any one or more of steps of the method to confirm that an edge of a solid object has been detected.24. A method as claimed in claim 23 , wherein the method includes indicating a fault if a solid object is detected.25. A method as claimed in claim 21 , wherein the method further includes scanning a beam from a primary light source across an extended portion of the volume and detecting light scattered from the swept beam.26. A method as claimed in claim 25 , wherein the method includes repeating any one or more of steps of the method to confirm that an edge of a solid object has been detected.27. A method as claimed in claim 21 , wherein the method includes analysing the ...

Flame Detector Using Nearband IR Temporal Signal Processing

A flame detector incorporates visible and near infrared sensors in common with processing circuits to form processed instantaneous, dc type, signal values minus an average value and peak-to-peak ranges of values of ac-type signals over a measurement time interval on the order of three seconds. The resulting values are further processed to determine the presence of a fire condition by comparing them to a predetermined threshold. 1. A flame detector comprising:a first, visible light sensing photodiode;visible light related processing circuits, coupled to the first photodiode to establish instantaneous dc related signal changes and peak-to-peak ac signals over a predetermined time interval;a second, near infrared sensing photodiode;infrared related processing circuits, coupled to the second photodiode to establish instantaneous dc related signal changes and peak-to-peak ac signals over a predetermined time interval; andcontrol circuits to determine the presence of a fire condition using amplitude components of the processed visible light and near infrared signals.2. A detector as in where a respective filter is associated with each photodetector.3. A detector as in where the visible light processing circuits and the near infrared processing circuits establish dc related signal values based on instantaneous signal values reduced by an average signal value.4. A detector as in where a range of established ac related values is based on a predetermined measurement time.5. A detector as in where a respective filter is associated with each photodiode.6. A detector as in where a range of established ac related values is based on a predetermined measurement time.7. A detector as in where additional circuits establish a measurement window for the presence of near infrared signals.8. A detector as in where additional circuits detect that the near infrared dc signal exceeds a predetermined threshold claim 7 , and in response thereto claim 7 , opens a window of a predetermined ...

FIRE DETECTION APPARATUS, METHOD FOR EVALUATING AT LEAST ONE FIRE DETECTION FEATURE AND COMPUTER PROGRAM

A fire detection apparatus including a wind ascertainment device and an evaluation device and connectable to at least one monitoring camera for recording image data of a monitoring region. The evaluation device includes a control unit configured for evaluation of wind parameters provided by the wind ascertainment device The evaluation device includes an image processing unit configured to evaluate at least one fire detection feature from the image data transmitted from the monitoring camera wherein the control unit switches the image processing unit to different fire detection operation modes in dependence on the wind parameters. 11. A fire detection apparatus () ,{'b': 1', '2, 'wherein the fire detection apparatus () is connectable to at least one monitoring camera () for recording image data of a monitoring region,'}{'b': '6', 'having a wind ascertainment device () for capturing one or more wind parameters in the monitoring region,'}{'b': '3', 'having an evaluation device (),'}{'b': 3', '7', '7', '6, 'wherein the evaluation device () comprises a control unit (), wherein the control unit () is configured for evaluation of the wind parameter data on the basis of the wind ascertainment device (),'}{'b': 3', '4, 'wherein the evaluation device () comprises an image processing unit (),'}characterized in that{'b': 4', '2, 'the image processing unit () is configured to evaluate at least one fire detection feature from the image data transmitted from the monitoring camera (),'}{'b': 7', '4, 'wherein the control unit () switches the image processing unit () to different fire detection operation modes in dependence on the wind parameters.'}216667aa. The fire detection apparatus () according to claim 1 , characterized in that the wind ascertainment device () comprises at least one electrical wind measuring device () claim 1 , wherein the at least one electrical wind measuring device () is connected to the control unit () for transmitting the wind parameters.316662bb. The fire ...

Control panel for a fire alarm control system

A control panel for a fire alarm control system is described herein. In some examples, one or more embodiments include a memory and a processor to execute instructions stored in the memory to receive a fault signal from a thermographic detector device, wherein the fault signal corresponds to a fault associated with the thermographic detector device, wherein the fault signal is associated with at least one of a field of view fault, an operating parameter fault, an internal fault, and a transmission fault, and provide a notification of the fault using the fault signal.

USING POWER INFRASTRUCTURES FOR WILDFIRE DETECTION

Methods, apparatuses, and systems for wildfire detection using power infrastructure are described. One or more aspects of the techniques described include determining (e.g., quantifying) the impact of wildfires on power structures and transmission line sensors. Determination of measurable changes in transmission line temperature and transmission line sag, that result from early onset fires, are used to detect heat events. Therefore, real-time monitoring of transmission line temperature and transmission line sag (e.g., using sensors that are already deployed in some power grid infrastructures) may efficiently detect the early onset of wildfires according to techniques described herein. 1. A system for detecting radiated heat events proximate to a power line comprising:a first overhead electric transmission line sag sensor, wherein the first overhead electric transmission line sag sensor detects a degree to which a first overhead electric transmission line segment suspended between a first pair of electric transmission towers is sagging and generates a first overhead electric transmission line sag signal indicative of the degree to which the first overhead electric transmission line segment is sagging; first code segment configured to compare the first overhead electric transmission line sag signal with an expected overhead electric transmission line sag;', 'a second code segment configured to determine an amount of sag deviation between the first overhead electric transmission line sag signal and the expected overhead electric transmission line sag, and determine a value of a sag variation resulting from sub-optimal power flow distinguished from other sources of sag by comparing adjacent sag detectors and pre-trained models;', 'a third code segment configured to generate an alarm condition based on at least one determination, wherein the at least one determination includes determining that the amount of sag deviation is more than a prescribed non-zero amount; and, 'a ...

THERMOGRAPHIC DETECTOR DEVICE FOR A FIRE ALARM CONTROL SYSTEM

A thermographic detector device for a fire alarm control system is described herein. In some examples, one or more embodiments include a thermography camera configured to capture a thermal image within a field of view of the thermographic detector device, a memory and a processor to execute instructions stored in the memory to detect a fault associated with the thermographic detector device, wherein the fault includes at least one of a field of view fault, an operating parameter fault, and an internal fault, generate a fault signal upon detecting the fault, and provide a notification of the fault using the fault signal. 1. A thermographic detector device for a fire alarm control system , comprising:a thermography camera;a memory; and{'claim-text': ['detect a fault associated with the thermographic detector device;', 'determine a type of the detected fault;', 'generate a fault signal that includes an indication of the determined type of the detected fault; and', 'provide a notification of the detected fault using the fault signal, wherein the notification includes the indication of the determined type of the detected fault.'], '#text': 'a processor configured to execute instructions stored in the memory to:'}2. The thermographic detector device of claim 1 , wherein the thermography camera is configured to capture a thermal image within a field of view of the thermographic detector device.3. The thermographic detector device of claim 1 , wherein the processor is configured to execute the instructions to generate the fault signal upon determining the type of the detected fault.4. The thermographic detector device of claim 1 , wherein the type of the detected fault is a degradation of view of the thermographic detector device.5. The thermographic detector device of claim 1 , wherein the type of the detected fault is a field of view fault associated with the thermographic detector device.6. The thermographic detector device of claim 1 , wherein the fault signal includes ...

PROPERTY CONTROL AND CONFIGURATION BASED ON THERMAL IMAGING

A monitoring system that is configured to monitor a property is disclosed. The monitoring system includes a thermal camera that is configured to generate a thermal image of the property. The monitoring system further includes a monitor control unit that is configured to receive, from the thermal camera, the thermal image. The monitor control unit is further configured to, based on the thermal image, determine a temperature of a portion of the property depicted in the thermal image. The monitor control unit is further configured to determine that the temperature of the portion of the property depicted in the thermal image satisfies a temperature threshold. The monitor control unit is further configured to, based on determining that the temperature of the portion of the property depicted in the thermal image satisfies the temperature threshold, select and perform a monitoring system action. 1. (canceled)2. A monitoring system comprising:a thermal camera that is configured to generate a thermal image; and receive, from the thermal camera, the thermal image;', detect a person or an animal within the thermal image, and', 'determine a body temperature of the person or animal detected within the thermal image;, 'based on the thermal image, 'determine whether the body temperature of the person or animal detected within the thermal image satisfies a temperature threshold; and', 'based on the determination of whether the body temperature of the person or animal detected within the thermal image satisfies the temperature threshold, perform a monitoring system action., 'a computer that is configured to3. The system of claim 2 , comprising:a sensor that is configured to generate sensor data that reflects an attribute of a property,wherein computer is configured to perform the monitoring system action based on the sensor data and the determination of whether the body temperature of the person or animal detected within the thermal image satisfies the temperature threshold.4. The ...

Method and Device for Eliminating Thermal Interference for Infrared and Video-Based Early Fire Detection

A process for the elimination of thermal interferences in the infrared and video fire detection at an early stage in waste incineration plants, recycling facilities, warehouses and the like. The process is characterized by an additional noise and vibration analysis, by measuring the noise level of vehicles situated in the area to be detected or other thermal interference sources, with a distinction in measuring the noise level between day mode and night mode. The volume thresholds can thus be determined and be used as a threshold for determining whether a fire extinguishing sequence should be triggered 1. A method for eliminating thermal interferences in infrared and video fire detection at an early stage in waste incineration plants , recycling facilities and warehouses , via a detection system that detects heat sources , comprising the steps:analyzing noise and vibration via measuring equipment, the measuring equipment being connected to a processing unit, the processing unit including a memory device for storing noise and vibration data anddistinguishing between permissible heat sources and impermissible heat sources by means of an analysis device.2. The method according to claim 1 , wherein the processing unit activates a fire extinguishing system in order to extinguish a fire or cool off an impermissible heat source when said impermissible heat source is detected.3. The method according to claim 1 , wherein the processing unit triggers an alert when an impermissible heat source is detected.4. The method according to claim 1 , wherein the measuring equipment measures the noise level and/or the noises and/or the vibrations of vehicles and other sources of thermal interference in the area to be detected claim 1 , with a distinction in measuring the noise level between day mode and night mode.5. The method according to claim 1 , wherein noise and vibration analysis can be permanent and/or time-controlled.6. The method according to claim 1 , wherein the volume ...

INTEGRATED CIRCUITS WITH RADIOACTIVE SOURCE MATERIAL AND RADIATION DETECTION

Radioactive integrated circuit (IC) devices with radioactive material embedded in the substrate of the IC itself, and including logic for “fingerprinting” (that is, determining characteristics that identify the source of the radioactive source material). Radioactive IC devices with embedded detector hardware that determine aspects of radioactivity such as total dose and/or ambient radiation. Radioactive IC devices that can determine an elapsed time based on radioactive decay rates. Radioactive smoke detector using man-made, relatively short half-life radioactive source material. 1. A method of identifying circuitry , the method comprising:providing a device including a circuitry hardware set and a radioactive source, with the radioactive source mechanically connected to the circuitry hardware set and with the radioactive source having a predetermined radioactivity fingerprint having a set of radioactivity fingerprint characteristics including at least a first radioactivity fingerprint characteristic;detecting at least some radioactivity fingerprint characteristic(s) based on radiation emitted by the radioactive source; andidentifying at least a first identification characteristic of the circuitry hardware set based, at least in part, upon the detected radioactivity fingerprint characteristic(s).2. The method of wherein the first identification characteristic is one of the following: authenticity of the circuitry claim 1 , manufacturing location of the circuitry claim 1 , manufacturing entity of the circuitry claim 1 , date of manufacture of the circuitry claim 1 , designated customer for the circuitry claim 1 , model/revision of the circuitry claim 1 , warranty policy associated with the circuitry claim 1 , a serial number which is unique on a per circuit basis claim 1 , port mapping for the circuitry claim 1 , identification of software claim 1 , hardware and/or firmware authorized to be used with the circuitry and/or intended geographic market for the circuitry.3. ...

System and Method for Effecting Smoke Detector Data Transmission from a Smoke Detector

A system and method for effecting smoke detector data transmission from a smoke detector is described herein. The smoke detector can comprise a smoke detection system, a smoke detector memory, and a microprocessor. The smoke detector memory can comprise a smoke detector application. The microprocessor can, according to instructions from the smoke detector application operate as a node in a mesh network of a local area network by receiving network data and sending the network data across the local area network. Moreover, according to the instructions from the smoke detector application, the microprocessor can receive smoke alarm data from the smoke detection system, interrupt sending the network data across the local area network, and resume sending the network data to the other nodes in the mesh network only after the smoke alarm data is completely sent. 1. A smoke detector comprisinga smoke detection system; 'a smoke detector application;', 'a smoke detector memory comprising'} operates as a node in a mesh network of a local area network by receiving network data and sending said network data across said local area network;', 'receives smoke alarm data from said smoke detection system;', 'interrupts sending said network data across said local area network;', 'sends said smoke alarm data; and', 'resumes sending said network data to said other nodes in said mesh network only after said smoke alarm data is completely sent., 'a microprocessor that, according to instructions from said smoke detector application;'}2. The smoke detector of wherein said microprocessor comprises a network transport processor that operates as said node claim 1 , and a smoke alarm processor that receives smoke alarm data from said smoke detection system.3. The smoke detector of wherein said microprocessor is a single processor.4. The smoke detector of wherein said microprocessor sends said smoke alarm data via a hardwired network connection.5. The smoke detector of wherein said microprocessor ...

AN EMBER DETECTOR DEVICE, A BUSH/WILD FIRE DETECTION AND THREAT MANAGEMENT SYSTEM, AND METHODS OF USE OF SAME

Embers created by fires, particularly fires in environments such as grassland, bushland, and forests, can lead to the loss of property and animal and human lives. In addition to the loss of property and lives, fires caused by embers lead to an increase in greenhouse gasses, an increase in the risk associated with an ember attack and/or a fire, and a reduced ability to effectively fight an ember attack and/or a fire. The concept bush/wildfire should be understood to include forest fires, grassland fires, and the like. The present disclosure relates to an ember detector device, a bush/wild fire detection and threat management system, and methods of reducing greenhouse gasses, reducing the risk associated with an ember attack and/or a fire, and enhancing an ability to effectively fight an ember attack and/or a fire. 1. An ember detector device , comprising:an infrared sensor configured to detect a reflected infrared photon and to generate an infrared sensor output signal;a hygrometer configured to detect ambient humidity and to generate a hygrometer output signal;a 360° cone mirror configured to reflect an incident infrared photon as the reflected infrared photon;a lens configured to focus the reflected infrared photon onto the infrared sensor; and receive the infrared sensor output signal and the hygrometer output signal;', 'compare the infrared sensor output signal with a predetermined infrared sensor output signal control point value;', 'compare the hygrometer output signal with a predetermined hygrometer output signal control point value; and', 'provide an ember detection alert signal based on each comparison., 'an electronic controller configured to2. The device of claim 1 , wherein the electronic controller is configured to provide the ember detection alert signal when both comparisons exceed their respective predetermined control point values.3. The device of claim 1 , wherein the infrared sensor includes a graphene/silicon photodetector claim 1 , a ...

Providing A Simulation of Fire Protection Features and Hazards to Aid the Fire Industry

A system and method of preparing an augmented reality (AR) composite view, configured to create, edit, store, and display fire safety information, hazards, and location information. The system includes an AR editing tool such that a user may edit and input information into an electronically stored database. The system includes an AR viewing tool, where the relevant information from the electronically stored database is determined based on each user's location, and optionally view direction. The AR viewing tool displays a composite image representative of each user's view and incorporating icons representative of useful information, including fire protection features and hazards. 1. An augmented reality system comprising:an augmented reality tool editor and an augmented reality tool viewer, the augmented reality tool editor configured to allow editing and entry of volume information for access by the augmented reality tool viewer configured to generate an augmented reality composite image; an editor display device,', 'electronic memory storage,, 'wherein the augmented reality tool editor includes 'a computational device and editing software configured to allow selective modifications to the volume information; and,', 'a computer accessible database containing volume information identifying fire protection features and fire protection hazards stored in the electronic memory, and'}wherein the augmented reality tool viewer includes:a viewer display device,a user interface,a camera,a computing device and viewing software configured to electronically access the computer accessible database, and create a composite image for viewing on a display, the composite image comprising volume information overlaid upon an image.2. The augmented reality system of claim 1 , wherein the image is one of: perspective view received from the camera claim 1 , 2D plan view claim 1 , and representative of a location.3. The augmented reality system of claim 2 , wherein the image is a ...

ULTRAVIOLET DETECTOR AND FIRE ALARM

According to one embodiment of the present disclosure, there is provided an ultraviolet detector, including: an ultraviolet ray transmitting part configured to transmit ultraviolet ray contained in incident light; a wavelength conversion part configured to convert the ultraviolet ray transmitted through the ultraviolet ray transmitting part into visible light; and a visible light receiving part configured to detect the visible light obtained by the wavelength conversion part. 1. An ultraviolet detector , comprising:an ultraviolet ray transmitting part configured to transmit ultraviolet ray contained in incident light;a wavelength conversion part configured to convert the ultraviolet ray transmitted through the ultraviolet ray transmitting part into visible light; anda visible light receiving part configured to detect the visible light obtained by the wavelength conversion part.2. The ultraviolet detector of claim 1 , wherein the visible light receiving part includes a silicon-based light receiving element.3. The ultraviolet detector of claim 1 , wherein the wavelength conversion part is configured to convert ultraviolet ray in a UVB region into visible light of a first wavelength claim 1 , and to convert ultraviolet ray in a UVC region into visible light of a second wavelength that is different from the first wavelength.4. The ultraviolet detector of claim 3 , wherein the visible light receiving part includes:a first light receiving element configured to detect the visible light of the first wavelength; anda second light receiving element configured to detect the visible light of the second wavelength.5. The ultraviolet detector of claim 4 , further comprising a light shielding wall forming a light guide path of each of the first light receiving element and the second light receiving element.6. The ultraviolet detector of claim 1 , wherein the ultraviolet ray transmitting part includes:a UVB transmission filter configured to transmit ultraviolet ray in a UVB region; ...

MODULAR AND EXPANDABLE FIRE SUPPRESSION SYSTEM

A tire suppression system includes a centralized controller and a plurality of modules (). Each module includes a housing (), a printed circuit board () with a mounted microprocessor (), a first connector () including a first pair of data wires () mounted to the board; and a second connector () including a second pair of data wires () mounted to the board so that the printed circuit board electrically connects the first and second pairs of data wires. The modules are interconnected with the central controller to define data buses for centralized fire detection, user interface and system response. The connectors of each module interconnect the plurality of modules in series to the central controller. 1. A fire suppression system comprising:a centralized controller; and a housing;', 'a printed circuit board with a microprocessor mounted to the printed circuit board;', 'a first connector including a first pair of data wires mounted to the printed circuit board; and', 'a second connector including a second pair of data wires mounted to the printed circuit board, the printed circuit board electrically connecting the first and second pairs of data wires;, 'a plurality of modules, each module includingthe plurality of modules being interconnected with the central controller to define at least one data bus for centralized fire detection and system response, the at least one data bus having a first end module with its first connector connected to the centralized controller and a second end module with its second connector for connection to another module, the printed circuit board of each module interconnecting the plurality of modules in series to the central controller.2. The system of claim 1 , wherein the at least one data bus is any one of a user interface bus claim 1 , a fire detection bus for detecting a fire or a release bus for releasing a suppressant to suppress a fire.3. The system of claim 2 , wherein the at least one data bus is a user interface bus claim 2 , ...

WILDFIRE DEFENDER

A system includes a processing device and memory device storing instructions that result in accessing a first dataset including aerial imagery data, accessing a second dataset including property boundary data, and identifying property boundaries associated with a geographic area. A plurality of artificial-intelligence (AI) models are applied to the datasets to identify and compute information of interest. Based on the first dataset and constrained by the property boundaries, a building detection model can be applied to identify a building footprint, and a tree detection model can be applied to identify one or more trees. An estimated distance can be determined between each of the trees and a nearest portion of the building footprint as separation data, which can be compared to a defensible space guideline to determine a defensible space adherence score. A wildfire risk map can be generated, including the defensible space adherence score associated with the geographic area. 1. A system , comprising:a processing device; and accessing a first dataset comprising aerial imagery data associated with a geographic area;', 'accessing a second dataset comprising property boundary data associated with the geographic area;', 'identifying a plurality of property boundaries associated with the geographic area;', 'applying a building detection model to identify a building footprint based on the first dataset and constrained by the property boundaries;', 'applying a tree detection model to identify one or more trees based on the first dataset and constrained by the property boundaries;', 'determining an estimated distance between each of the one or more trees and a nearest portion of the building footprint as separation data;', 'comparing the separation data to a defensible space guideline to determine a defensible space adherence score; and', 'generating a wildfire risk map comprising the defensible space adherence score associated with the geographic area and constrained by the ...

SMOKE DETECTION DEVICE, METHOD FOR DETECTING SMOKE FROM A FIRE, AND COMPUTER PROGRAM

The invention relates to a smoke detection device () for detecting smoke () from a fire () in a monitoring area (), comprising a camera interface () for receiving an image sequence having chronologically successive individual images from a monitoring camera (), wherein the individual images () show the monitoring area (), and comprising an evaluating device () for detecting at least one moving object in the monitoring area (), wherein the evaluating device () is designed to detect a motion of the at least one moving object from at least two individual images () of the image sequence (), characterized by a filter device () for distinguishing the moving object as smoke () or as a non-smoke object on the basis of the motion of the moving object. 11763. A smoke detection device () for detecting smoke () from a fire () in a monitoring area () , the smoke detection device comprising:{'b': 8', '2', '4', '3, 'a camera interface () for accepting an image sequence having temporally successive individual images from a monitoring camera (), wherein the individual images () show the monitoring area (),'}{'b': 9', '3', '9', '4', '5, 'an evaluation device () for determining at least one moving object in the monitoring area (), wherein the evaluation device () is designed to determine a movement of the at least one moving object from at least two individual images () in the image sequence (), and'}{'b': 10', '7, 'a filter device () for distinguishing the moving object as smoke () or a non-smoke object on the basis of the movement of the moving object.'}2191617. The smoke detection device () as claimed in claim 1 , wherein the evaluation device () comprises a speed measuring unit for determining a speed vof the average optical flow () of the moving object and for determining a speed vof a contour area () of the moving object.311011117. The smoke detection device () as claimed in claim 2 , wherein the filter device () comprises a comparison unit () claim 2 , wherein the comparison ...

Fire disaster monitoring method and apparatus

The present disclosure discloses a fire disaster monitoring method and apparatus. The method includes: obtaining an infrared image that is obtained through photoshooting a to-be-monitored area by an infrared detection apparatus located on an aerostat, where different colors displayed in the infrared image correspond to different temperatures; determining, according to the colors displayed in the infrared image, whether a difference between temperatures corresponding to adjacent areas in the infrared image is greater than a predetermined threshold; and if it is determined that the difference between the temperatures corresponding to the adjacent areas is greater than the predetermined threshold, sending fire disaster alarm information to a receiving device, where the fire disaster alarm information is used to indicate that a fire disaster occurs in the to-be-monitored area. The present disclosure resolves a technical problem of relatively low monitoring accuracy caused because a prior-art fire disaster monitoring method is used.

Active threat mitigation control system

A method and system to mitigate at least one threat associated with a building includes receiving at least one threat parameter of the at least one threat via at least one threat sensor, and actively controlling at least one threat mitigator in response to the at least one threat parameter via a threat controller.

MULTI-CONDITION SENSING DEVICE INCLUDING AN IR SENSOR

Techniques are disclosed for using an infrared (IR) sensor to sense flame and/or activity within an environment of a building, such as a home or office. One example embodiment provides a multi-condition sensing device that includes an IR sensor for sensing both human occupancy and fire within a given environment. Another example embodiment provides a multi-condition sensing device that includes a plurality of sensors. A first of the sensors includes an IR sensor that is adapted to sense IR radiation within a given environment. A second of the sensors is adapted to sense a second environmental condition (different than IR radiation) within the given environment. Another example embodiment provides a standalone modular sensor block with a standard communication interface to a building management system. The sensor block may act as a combo-sensor as well as an active fire detector and alarm. 1. A multi-condition sensing device , comprising:a housing including a plurality of sensor mounts;a plurality of sensors, including an IR array mounted to a first of the sensor mounts of the housing, and adapted to sense IR radiation within a first environment of the building; anda second sensor of the plurality of sensors mounted to a second of the sensor mounts of the housing and adapted to sense a second environmental condition, different than the IR radiation, within the first environment of the building.2. The multi-condition sensing device according to claim 1 , further comprising:a lighting element mounted to the housing and adapted to illuminate at least a portion of the first environment of the building.3. The multi-condition sensing device according to claim 1 , wherein the plurality of sensors includes a third sensor mounted to a third of the sensor mounts of the housing and adapted to sense a third environmental condition claim 1 , different than the IR radiation and different than the second environmental condition claim 1 , within the first environment of the building ...

24-7 Offsite Structural/Nonstructural Exterior Fire Detection Protection And Method

This invention embodies a 24-7 fire protection system for fires originating outside of a structure. The invention integrates stand-alone, facility-based fire protection systems, control module and video and thermal sensors with offsite control functionality at the offsite Fire Defense Center (FDC). through multiple, redundant communications systems. Trained operators use sensor input and additional data streams to monitor fire threat in real time and deploy onsite optimized structure defense systems at the optimum time. System can be deployed onsite, remotely by an authorized facility owner/manager (via mobile application or Internet connection) or, by an autonomous control system in pre-set specified emergencies. This invention embodies the mapping, pipe and valve layout, and devices to cover the structure and, if desired, surrounding defensible spaces with a gel-water mix. The invention's gel-water mix provides protection for 48 hours, depending on humidity, more than enough for a fire front to pass the structure. 1. A system to provide 24 hour-a-day , 7 day-a-week , offsite site , wireless communicating , monitoring system by a trained operator to detect and evaluate threats of fire offsite and when deemed appropriate , initiate a gel-based fire protection system.2. A self-contained exterior modular fire sprinkler system for residential , moderate commercial , and light industrial use , said system comprising:(a) A skid-mounted packaged, generally rectangular, system containing such pumps, mixing tanks, independent water and electricity supply as needed to deploy the water-gel mix to the structure and defensible spaces as needed.(b) A central circuit board control panel (“OCC”) to receive wireless signals from the trained system operator to deploy, purge, and redeploy as and when needed.(c) Cameras equipped with thermal and video imaging to alert the system operator and for the system operator to monitor the site and neighboring areas for threat of fire via said ...

FLAME DETECTORS AND ASSOCIATED METHODS

A flame detector () including: a fire sensor (), capable of detecting a characteristic blackbody-type radiated heat signature emitted by a flaming material; and a guard sensor (), for detecting an at least further part of the spectrum emitted by the material and which serves to assist in rejecting false alarms, wherein, in use during detection of a flame, the guard sensor () detects an amount of radiation G and the fire sensor () detects an amount of radiation F, and positive detection of a flaming material depends upon the following criteria: F>0; G>0; and F>G. 1. A flame detector comprising:a fire sensor, capable of detecting a characteristic blackbody-type radiated heat signature emitted by a flaming material, the fire sensor being configured to detect an intensity of radiation F in a fire band range of wavelengths; anda guard sensor, for detecting an at least further part of a spectrum emitted by said material and which serves to assist in rejecting false alarms, the guard sensor being configured to detect an intensity of radiation G in a guard band range of wavelengths,and the guard sensor being configured to detect radiation of shorter wavelength than the fire sensor,wherein the guard band range of wavelengths is narrower than the fire band range of wavelengths and each band range of wavelengths is distinct from the other, and positive detection of the flaming material depends upon the following criteria:F>0;G>0; andF>G.2. The flame detector as claimed in claim 1 , wherein the fire sensor and/or guard sensor are arranged to operate in a wavelength region of less than 4 μm claim 1 , less than 3.2 μm claim 1 , less than 3 μm claim 1 , or less than 2.55 μm claim 1 , or claim 1 , the fire sensor and/or guard sensor are arranged to operate in a wavelength region of from 0.6 μm to 3.2 μm claim 1 , from 1 μm to 3.2 μm claim 1 , or from 1 μm to 2.2 μm.3. The flame detector as claimed in claim 1 , wherein the guard band range of wavelengths and fire band range of ...

Method for controlling a monitoring system and a system for its implementation

The invention relates to video surveillance systems. The method includes the following steps: first, the current information about the object is collected. A path is created for exploring the area by, at least, one means of surveillance, the path consisting of a set of points with fixed values of orientation of the surveillance means which are selected in such a way as to optimally explore all possible area according to technical performance of the surveillance means, terrain, height of the building and which define a set of monitoring plots, wherein the surveillance means monitors immovably each plot with a predetermined magnification value, Each of said plurality of plots is prioritized based on the priority list of the factors characterizing the probability of detection and fire occurrence, and according to which the parameters of the inspection path are defined, including the time needed for surveillance of each plot, the analysis algorithm of the resulting data. For high priority plots the inspection path parameters are chosen so that the probability of detecting an expected event, when analyzing the data obtained from surveillance, tends to the maximum, and the probability of false alarm is in the optimal range, depending directly on the probability of detecting an expected event, Following the change in the priority factors and/or environmental conditions, the priority is changed for each of a plurality of plots. The invention improves the reliability of event detection, reduces the probability of false responses, reduces the time required for detecting events and increases the accuracy of determining the coordinates of the object.

Electrical safety device and system

An electrical safety device is described which includes a socket arranged to receive an electrical plug of an electrical appliance to connect a current supply to the electrical appliance, a thermal sensor arranged to detect the surface temperature of an electrical plug when received in the socket and a processor in communication with the thermal sensor, the processor configured to determine when the sensed surface temperature exceeds a predetermined threshold. The invention also includes an electrical safety system comprising the electrical safety device configured to communicate with a remote device. The device and system provide early detection of electrical faults and hazards to reduce the risk of fires.

FOREST FIRE EARLY-WARNING SYSTEM AND METHOD BASED ON INFRARED THERMAL IMAGING TECHNOLOGY

A forest fire early-warning system based on infrared thermal imaging technology comprising: an infrared camera erected at a key height in a forest used to capture infrared thermal images of an area being monitored, said camera comprising a frontal temperature detection and alarm module for calculating the alarm temperature value by using a temperature monitoring mathematical model, and for transmitting an excessive temperature alarm signal when there are abnormalities in said area; a video conversion device connected to the infrared camera for converting an infrared thermal image analog signal outputted by the camera into an infrared digital signal, and for receiving from the camera said alarm signal and converting same into a digital signal; a monitoring computer for generating and transmitting an infrared camera control signal, and for receiving, analyzing and processing the infrared digital signal to ascertain the location in the monitoring area that triggered the infrared camera alarm, and for automatically generating a solution and reporting to the control center. The present invention can adapt to the complex environmental conditions and monitoring requirements of forest fire monitoring and automated early-warning, guaranteeing alarm accuracy. 1. A forest fire alarm system based on infrared thermal imaging technology comprising:{'sub': 'alarm', 'an infrared camera located within a monitored area for monitoring and early fire warning in a forest, the infrared camera configured to capture infrared thermal images of said monitored area, and to transmit infrared thermal analog signals which contain temperature measurement values T relating to the infrared thermal images of the monitored area, and wherein the infrared camera includes a frontal temperature measurement and alarm module configured to calculate, based on changes of environmental temperature parameters including at least one of distance, temperature difference and alternate seasons, an alarm temperature ...

METHOD AND APPARATUS FOR PROVIDING EARLY WARNING OF HAZARDOUS CONDITIONS THAT MAY CAUSE FIRES

Embodiments disclosed herein include a compact wireless network-based monitoring device that can be placed inside an electrical connection box without an elaborate installation process to trigger a warning when there are dangerous conditions in the electrical wirings and installations. For example, the temperature or relative humidity are measured, and compared with a set of limits to send a warning message wirelessly. Many other conditions can be sensed and measures, such as levels of oxygen or various gases. If conditions are outside preset set limits, messages are sent to a gateway connected to the internet and/or to smart devices. 1one or more sensors comprising a temperature sensor, a UV/IR sensor, and a carbon monoxide sensor;a communication transmitter coupled to the one or more sensors to receive sensor values from the one or more sensors; anda microcontroller unit (MCU) coupled to the one or more sensor and to the communication transmitter, wherein the MCU is configurable to: process sensor values from the one or more sensors; determine when a hazardous condition is occurring or likely to occur; and direct the communication transmitter to send warning signals to predetermined recipients.. A system for early hazardous condition detection, the system comprising: This application claims priority from U.S. Provisional Patent Application No. 62/566,585, filed Oct. 2, 2017, which is incorporated by reference in its entirety herein.Inventions disclosed herein are in the field of providing early warning of electrical faults that may cause fires, particularly in large commercial or residential buildings and buildings with distributed systems.The company UL (see UL.com) has determined that fire's today are more dangerous and pose more risks than in the past. Fire propagation is faster, and time to flashover, escape times and collapse times are all shorter. The “legacy room”—a room using materials from the 1970s takes nearly 30 minutes to get to the “flashover” point ...

Process and detector system for detecting a flame event

A process is provided for detecting a flame event (4) with a detector system (1). The detector system (1) has an analysis and control unit (8), a radiation detector (10) and at least one camera detector (20) and monitors a detection area (3) with the radiation detector (10) and the at least one camera detector (20) for the occurrence of flame events (4). A detector system (1) is provided for detecting a flame event (4). The detector system (1) includes a radiation detector (10) and at least one camera detector (20) for monitoring a detection area (3) for the occurrence of flame events (4).

GAS DETECTION DEVICE

A gas detection device has at least one functional device (), which is configured to receive radiation () passing through a defined monitoring area (). At least one analysis unit () is configured to detect and analyze a change in the received radiation (). The received radiation () is based on the interaction of the radiation () with a gas present within the monitoring area (). At least one camera () has a field of view () that at least partially detects the monitoring area (). 1. A gas detection device comprising:at least one functional device configured to receive radiation having passed through a defined monitoring area, the functional device including a light emitter and a light detector arranged on different sides of the monitoring area;at least one analysis unit configured to detect and analyze a change in the received radiation, which is based on a gas present within the monitoring area; andat least one thermal imaging camera with a camera field of view that at least partially detects images of the monitoring area.2. The gas detection device in accordance with claim 1 , further comprising a reflector positioned at a spaced location from the functional device.3. The gas detection device in accordance with claim 1 , wherein the camera is sensitive in both a visible range of the light spectrum and in an infrared range of the light spectrum.4. The gas detection device in accordance with claim 1 , wherein the camera is arranged at or in a housing of the functional device or is fastened to a platform pivotably connected to the functional device.5. The gas detection device in accordance with claim 1 , wherein the camera is arranged within a housing of the functional device claim 1 , which housing is encapsulated to be pressure-tight.6. The gas detection device in accordance with claim 5 , wherein the housing has a passage window on a side facing the monitoring area claim 5 , wherein the passage window is configured as a lens in a first area claim 5 , which is ...

Camera-enabled machine learning for device control in a kitchen environment

A cooking control system accesses a set of training data used to train a machine learned model configured to detect smoke in a kitchen environment based on image data of a stovetop. The cooking control system receives real-time image data of a stovetop from a camera in the kitchen environment and applies the machine learned model to the image data to determine a likelihood that the image data includes smoke. If the cooking control system determines that the received images contain smoke, the cooking control system may perform one or more actions, such as disabling operation of the stovetop and sending an alert indicative of smoke to a user of he cooking control system or a local emergency department.

OPTICAL FLAME DETECTOR

Embodiments relate generally to systems and methods for optically detecting a flame. A system may comprise an optical flame detector, wherein the optical flame detector comprises a magnetometer, an accelerometer, and a gyroscope; and an information handling system, wherein the information handling system is configured to obtain orientation data from the magnetometer, the accelerometer, and the gyroscope; wherein the orientation data comprises movement and/or vibration data; angular velocity data; and direction data. 1. An optical flame detector , comprising:at least one or more orientation sensors configured to periodically measure an orientation data of the optical flame detector, wherein the orientation data corresponds to a periodic orientation of the optical flame detector; compare periodically measured orientation data with previously recorded initial orientation data of the optical flame detector, wherein the previously recorded initial orientation data corresponds to an initial installation orientation of the optical flame detector, and', 'determine a deviation in the periodically measured orientation data from the previously recorded initial orientation data based on the comparison,', 'indicate an incorrect position of an optical flame detector display based on the determined deviation being beyond a pre-determined threshold, and', 'recommend a re-positioning of the optical flame detector, via a user interface, such that the optical flame detector conforms to the initial installation orientation., 'a processor configured to2. The optical flame detector of further comprising at least one of an infrared sensor claim 1 , a visible light sensor claim 1 , an ultraviolet sensor claim 1 , and a camera.3. The optical flame detector of claim 2 , wherein the infrared sensor claim 2 , the visible light sensor claim 2 , the ultraviolet sensor claim 2 , and the camera are configured to detect flames at a distance ranging from about 0 feet to about 200 feet.4. The optical ...

SYSTEMS AND METHODS FOR VERIFIED THREAT DETECTION

Systems and methods for verified threat detection are provided. Some systems can include a sensor monitoring an ambient region, and an image capturing device, wherein, upon the sensor detecting an alarm condition in the ambient region, the image capturing device is activated for capturing an image of the ambient region to determine whether the captured image is consistent with the alarm condition. 1. A system comprising:a monitoring device including a sensor monitoring an ambient region and an image capturing device,wherein, upon the sensor detecting an alarm condition in the ambient region, the image capturing device is activated for capturing an image of the ambient region to determine whether the image is consistent with the alarm condition, andwherein the image capturing device is inactive when the sensor fails to detect the alarm condition.2. The system of wherein the sensor includes at least one of a smoke claim 1 , fire claim 1 , heat claim 1 , or toxic gas sensor.3. The system of wherein the image capturing device includes a camera.4. The system of further comprising:a programmable processor; andexecutable control software stored on a non-transitory computer readable medium,wherein the programmable processor and the executable control software process the image for determining whether the captured image is consistent with the alarm condition.5. (canceled)6. The system of further comprising:a programmable processor;executable control software stored on a non-transitory computer readable medium; anda transceiver,wherein the programmable processor and the executable control software transmit the image, via the transceiver, to a remote monitoring station for determining whether the image is consistent with the alarm condition.7. The system of wherein the monitoring device further comprises an illumination system claim 1 , and wherein claim 1 , upon occurrence of a predetermined condition claim 1 , the illumination system is activated for illuminating the ambient ...

VIRTUAL SENSORS

Virtual sensor technology, in which a camera is controlled to capture at least one configuration image of an area monitored by a monitoring system and input is received that defines one or more characteristics of the at least one configuration image that enable sensing of an event in the area. Based on the received input, configuration data used in sensing the event is generated and stored. After storage of the configuration data, the camera is controlled to capture one or more images of the area, the one or more images are analyzed based on the configuration data, and occurrence of the event is detected based on the analysis of the one or more images. Based on detecting occurrence of the event, a transmitting device is controlled to send, to a controller of the monitoring system, a signal that indicates the detection of the occurrence of the event. 1. (canceled)2. A monitoring system comprising:a camera configured to capture images of an area monitored by a monitoring system;an electronic storage device configured to store data; and controlling the camera to capture at least one configuration image of the area monitored by the monitoring system;', 'receiving input defining one or more characteristics of the at least one configuration image that enable sensing of an event in the area monitored by the monitoring system;', 'based on the received input defining the one or more characteristics of the at least one configuration image, generating configuration data used in sensing the event through image data captured by the camera;', 'storing, in the electronic storage device, the configuration data used in sensing the event through image data captured by the camera;', 'after storing the configuration data, controlling the camera to capture one or more images of the area monitored by the monitoring system;', 'analyzing the one or more images based on the configuration data; and', 'detecting occurrence of the event based on the analysis of the one or more images., 'a ...

DETECTING THREAT EVENTS

One or more computing devices, systems, and/or methods are provided. One or more first signals received from one or more first devices may be monitored. One or more first threat indicators within a first signal of the one or more first signals may be detected. One or more second signals may be analyzed to determine a probability of a threat event. One or more second devices of a plurality of devices may be selected, based upon the probability, for transmission of one or more messages associated with the threat event. 1. A method , comprising:monitoring one or more first signals received from one or more first devices;detecting one or more first threat indicators within a first signal of the one or more first signals;responsive to the detecting the one or more first threat indicators within the first signal, analyzing one or more second signals to determine a probability of a threat event; andselecting, based upon the probability, one or more second devices of a plurality of devices for transmission of one or more messages associated with the threat event.2. The method of claim 1 , comprising:determining a first location associated with a first device associated with the first signal; andresponsive to the detecting the one or more first threat indicators, selecting one or more signals for inclusion in the one or more second signals based upon a determination that one or more locations of one or more third devices associated with the one or more signals are associated with the first location.3. The method of claim 1 , wherein the analyzing the one or more second signals to determine the probability comprises:analyzing the one or more second signals to identify one or more second threat indicators, wherein the probability is determined based upon the one or more second threat indicators.4. The method of claim 1 , comprising:controlling a graphical user interface of a first device to display a safety interface; andreceiving, via the safety interface, authorization to ...

Method for Eliminating Thermal Interference for Infrared and Video-Based Early Fire Detection

The invention relates to a process for the elimination of thermal interferences in the infrared and video fire detection at an early stage in waste incineration plants, recycling facilities, warehouses and the like. The process is characterized by an additional noise and vibration analysis, by measuring the noise level of vehicles situated in the area to be detected or other thermal interference sources, with a distinction in measuring the noise level between day mode and night mode. The volume thresholds can thus be determined and be used as a threshold for determining whether a fire extinguishing sequence should be triggered. 1. A method for the elimination of thermal interferences in the infrared and video fire detection at an early stage in waste incineration plants , recycling facilities , warehouses and the like , characterized by an additional noise and vibration analysis by measuring the noise level of vehicles situated in the area to be detected or other thermal interference sources , such as drive motors of machines , with a distinction in measuring the noise level between day mode and night mode , and the volume thresholds are determined and can be used as a threshold for determining whether a fire extinguishing sequence should be initiated.2. A method according to claim 1 , characterized in that the noise and vibration analysis can be permanent and/or time-controlled.3. A method according to claim 1 , characterized in that the volume levels are determined for the non-working operation claim 1 , such as night mode claim 1 , and the operating mode claim 1 , for example claim 1 , during daytime.4. A method according to claim 1 , characterized in that analog and/or digital filters claim 1 , directional microphones claim 1 , external microphones for a 3-dimensional noise pattern claim 1 , brand specific noise filters and/or vibration sensors are used for noise and vibration analysis. This application claims the priority of DE 102015119594.1 filed on Nov. 13, ...

VIRTUAL SENSORS

Virtual sensor technology, in which a camera is controlled to capture at least one configuration image of an area monitored by a monitoring system and input is received that defines one or more characteristics of the at least one configuration image that enable sensing of an event in the area. Based on the received input, configuration data used in sensing the event is generated and stored. After storage of the configuration data, the camera is controlled to capture one or more images of the area, the one or more images are analyzed based on the configuration data, and occurrence of the event is detected based on the analysis of the one or more images. Based on detecting occurrence of the event, a transmitting device is controlled to send, to a controller of the monitoring system, a signal that indicates the detection of the occurrence of the event. 1a camera configured to capture images of an area monitored by a monitoring system;an electronic storage device configured to store data;a transmitting device configured to send signals to a controller of the monitoring system; and controlling the camera to capture at least one configuration image of the area monitored by the monitoring system;', 'receiving input defining one or more characteristics of the at least one configuration image that enable sensing of an event in the area monitored by the monitoring system;', 'based on the received input defining the one or more characteristics of the at least one configuration image, generating configuration data used in sensing the event through image data captured by the camera;', 'storing, in the electronic storage device, the configuration data used in sensing the event through image data captured by the camera;', 'after storing the configuration data, controlling the camera to capture one or more images of the area monitored by the monitoring system;', 'analyzing the one or more images based on the configuration data;', 'detecting occurrence of the event based on the ...

PARTICLE DETECTOR, SYSTEM AND METHOD

The invention provides use of one or more emitted beams of radiation (), for example, laser beam(s), in combination with an image capturing means (), for example, one or more video cameras and/or optical elements to detect particles (), for example, smoke particles, located in an open space (). 1. A method of detecting particles comprising:emitting a first beam of radiation into a monitored region;detecting a variation in images of the region with a first image capturing device such that the variation in images indicates the presence of the particles and wherein the variation in images corresponds to backscattered radiation;determining a path loss measurement by recording the intensity of a target incident beam spot of the emitted first beam within the captured image; andcomparing the recorded intensity with a recorded intensity at a previous time.2. A method as claimed in claim 1 , wherein the first beam of radiation is a laser beam and the first image capturing device is a camera claim 1 , and said method includes: providing a laser target on which the laser beam forms the target incident beam spot.3. A method as claimed in claim 2 , wherein the target is easily recognised in the captured images using image processing techniques.4. A method as claimed in claim 1 , wherein the previous time is a time of installation.5. A method as claimed in claim 1 , further comprising estimating particlulate density based on said path loss measurement.6. A method as claimed in claim 1 , further comprising using the path loss measurement in conjunction with scattering information to estimate mean particle density.7. A method as claimed in claim 1 , further comprising using the path loss measurement in conjunction with scattering information to discriminate particle type.8. A method as claimed in claim 7 , wherein discrimination between particle types includes computing a ratio of path loss to scatter and comparing the ratio to ratios for known material.9. A method as claimed in ...

Infrared radiation fire detector with composite function for confined spaces

Infrared radiation fire detector, comprising a curved support surface and a plurality of infrared radiation sensors arranged on the support surface. Each sensor comprises a planar array of infrared radiation-sensitive elements, having a respective sight direction and a solid angle of view defined around the sight direction, which define a field of view associated to the sensor. The sight directions of the sensors intersect with one another at a central point and the sensors are spaced apart from one another by a given angular distance referred to the central point, the solid angles of view of the sensors having a same narrow width so that the fields of view of the sensors are non-intersecting with one another.

THERMAL IMAGING BEACON, SMOKE DETECTOR AND SYSTEM

A thermal imaging beacon, a smoke detector having an integrated thermal imaging beacon, and a thermal imaging beacon system including a thermal imaging beacon and a smoke detector. The thermal imaging beacon includes a heat source, a power source, and an activation switch in communication with the heat source and power source and adapted to allow power to flow to the heat source when the switch is triggered by a fire event signal. 1. A thermal imaging beacon comprising:an infrared source capable of being viewed through a display of a thermal imaging camera;a power source; andan activation switch in communication with the infrared source and power source and adapted to allow power to flow to the infrared source when the switch is triggered;wherein said infrared beacon is shaped in dimensioned such that said infrared source is viewed as a desired shape through the display of the thermal imaging camera.2. The thermal imaging beacon as claimed in wherein said desired shape is a shape selected from a group consisting of a symbol for a child claim 1 , a symbol for a handicapped person claim 1 , a symbol for a bedroom claim 1 , a symbol for a hazardous area claim 1 , a symbol for an area where pets are kept claim 1 , and the word exit.3. The thermal imaging beacon as claimed in wherein said infrared source is a heat source.4. The thermal imaging beacon as claimed in wherein said heat source in an electrical resistance heater.5. The thermal imaging beacon as claimed in wherein said heat source in a halogen light.6. The thermal imaging beacon as claimed in further comprising a sheet of thermally insulating material having an opening therethrough;wherein said opening is in said desired shape; andwherein said thermally insulating material is disposed over said heat source such that a a thermal signature through said opening is viewed as said desired shape through the display of the thermal imaging camera.7. The thermal imaging beacon as claimed in wherein said infrared source ...

PARTICLE DETECTOR, SYSTEM AND METHOD

The invention provides use of one or more emitted beams of radiation (), for example, laser beam(s), in combination with an image capturing means (), for example, one or more video cameras and/or optical elements to detect particles (), for example, smoke particles, located in an open space (). 1. A method of detecting particles comprising:emitting a beam of radiation into a monitored region;detecting a variation in images of the region indicating the presence of the particles,wherein the beam of radiation and optionally a means of detecting the variation in images, are adapted to communicate data.2. The method as claimed in claim 1 , wherein: the beam of radiation comprises a laser beam; the means of detecting the variation in images comprises one or more of a camera and computing means; and the particles comprise smoke particles.3. The method as claimed in claim 2 , wherein the data to be communicated comprises one or more of:Camera/Laser synchronization information;Camera/Laser timing information;Camera/Laser System Configuration Data;Laser intensity, duty cycle and camera exposure commands;Laser & camera alignment data;Laser enable/disable commands for a multi-laser system;Laser marker activation/de-activation/duty cycle/intensity control commands;Laser polarization or wavelength switching commands;Fire Alarm status for reporting to a fire panel or other external systems.4. The method as claimed in claim 1 , wherein the data is communicated by optical transmission means claim 1 , with or without radio transmission means.5. The method as claimed in claim 1 , further comprising the step of: communicating the data with a fire alarm panel.6. The method as claimed in claim 1 , further comprising the step of: communicating the data such that the data is frequency shifted away from interfering signal frequencies.7. The method as claimed in claim 1 , wherein at least one additional radiation source is adapted to communicate data in combination with one or more of:the ...

Methods and systems for detection of anomalous motion in a video stream and for creating a video summary

A computer-implemented method, comprising: obtaining motion indicators for a plurality of samples of a video stream; obtaining an anomaly state for each of a plurality of time windows of the video stream, each of the time windows spanning a subset of the samples, by (i) obtaining estimated statistical parameters for the given time window based on measured statistical parameters characterizing the motion indicators for the samples in at least one time window of the video stream that precedes the given time window and (ii) determining the anomaly state for the given time window based on the plurality of motion indicators obtained for the samples in the given time window and the estimated statistical parameters; and processing the video stream based on the anomaly state for various ones of the time windows.

DETECTION DEVICE, METHOD FOR DETECTION OF AN EVENT, AND COMPUTER PROGRAM

The invention relates to a detection device () for detection of an event in a monitoring region (), having a camera interface () for transferring at least one image, wherein the at least one image displays the monitoring region (), having an image analysis unit (), wherein the image analysis unit () is designed to determine, based on the image, event specifications for at least any one position in the monitoring region (), having an alarm unit () having alarm specifications, wherein the alarm unit is designed to output an alarm on the basis of a comparison of the alarm specifications with the event specifications, having a storage unit (), wherein the storage unit () is designed to store the event specifications for the at least any one position in the monitoring region (), having a calculation unit () for calculating and/or determining at least one error event region () on the basis of the event specifications and the alarm specifications, wherein the error event region () is a region of the monitoring region () in which the event is detected with chosen alarm specifications, although the event is not present, having a masking unit () for automatically modifying the alarm specifications within the at least one error event region () and/or for excluding the error event region () from the determination of the event specifications by the image analysis unit (). 113. A detection device () for detection of an event in a monitoring area () , the detection device comprising:{'b': 4', '3, 'a camera interface () for transferring at least one image, wherein the at least one image shows the monitoring area (),'}{'b': 6', '6', '3, 'an image analysis unit (), wherein the image analysis unit () is configured to determine event specifications for at least any one position in the monitoring area () on the basis of the image,'}{'b': 15', '15, 'an alarm unit () with alarm specifications, wherein the alarm unit () is configured to define an alarm on the basis of a comparison of the ...

Detector and method for detecting ultraviolet radiation

An electron filtering layer placed on a photocathode of a UV light detector allows to selectively filter out electrons generated from a photoconversion of long wavelengths. The filter may be tuned by selecting the material and the thickness of the electron filtering layer. By means of the filtering layer, background noise due to visible parts of the spectrum may be efficiently suppressed. Applications of the invention include a solar-blind flame and/or smoke detector.

FLAME DETECTOR WITH PROXIMITY SENSOR FOR SELF-TEST

The present invention is a flame detector infrared and/or optical detectors providing a sensed range of flame detection in a flame space outside a shield window, where the improvement includes orienting a proximity sensor to operate to detected objects or obstructions both on an outside surface of the shield window and in the flame space. 1. A flame detector comprising:(a) a sealed housing with a shield window incorporated on a top side;(b) a support plate located within an internal space of the sealed housing, whereupon are fixed with sensing surfaces directed up toward the shield window:(1) one or more infrared optical detectors and/or one or more ultraviolet optical detectors; and(2) a proximity sensor;(c) the optical detectors being connected with flame means for determining if a flame is present in a flame space outside of the shield window and causing flame user detectable signals to be produced; and(d) the proximity sensor being connected with cleaning/obstruction means for determining if the shield window requires cleaning or if an obstruction or material is present in the flame space and causing cleaning user detectable signals or removal user detectable signals to be produced.2. The flame detector of wherein flame means comprise the optical detectors being adapted to detect specific frequencies of light from outside the shield window claim 1 , transmitting detection signals of detected specific frequencies of light to a microprocessor operating under a control program claim 1 , and claim 1 , if the detected specific frequencies exceed a predetermined maximum claim 1 , the control program causes user detectable signals to be generated so that user can see or hear an indication that a flame in the flame space has been detected.3. The flame detector of wherein cleaning/obstruction means comprise the proximity detector being adapted to emit light from a light emitter to the shield window claim 2 , resulting in a reflected portion to be detected by a light ...

Area Monitoring for Detection of Leaks and/or Flames

A solution for monitoring an area for the presence of a flame and/or a leak, such as from a pressurized fluid, is provided. An imaging device can be used that acquires image data based on electromagnetic radiation having wavelengths only corresponding to at least one region of the electromagnetic spectrum in which electromagnetic radiation from an ambient light source is less than the electromagnetic radiation emitted by at least one type of flame for which the presence within the area is being monitored. An acoustic device can be used that is configured to acquire acoustic data for the area and enhance acoustic signals in a range of frequencies corresponding to a leak of a pressurized fluid present in the area. 1. A system comprising: an imaging device, wherein the imaging device is configured to acquire image data for an area based on electromagnetic radiation having wavelengths only corresponding to at least one region of the electromagnetic spectrum in which electromagnetic radiation from an ambient light source is less than the electromagnetic radiation emitted by at least one type of flame; and', 'an acoustic device, wherein the acoustic device is configured to acquire acoustic data for the area;, 'at least one sensing component, the at least one sensing component including evaluating the image data for a presence of a flame of the at least one type of flame;', 'evaluating the acoustic data for a presence of at least one of: the flame or a leak of a pressurized fluid; and', 'providing monitoring data for use by a user based on the evaluated presence of at least one of: the flame or the leak., 'a computer system including at least one computing device, wherein the computer system is configured to monitor the area by performing a method comprising2. The system of claim 1 , wherein the ambient light source comprises the sun claim 1 , and wherein the at least one region includes at least one infrared region in which most sunlight is absorbed by the atmosphere.3. ...

REMOTE DISASTER PREVENTION SYSTEM

A remote disaster prevention system includes a fire detector installed in each zone of a building to detect a fire and transmit a detected result to a fire-signal receiving section, a CCTV camera installed in each zone to transmit a photographed CCTV image to the fire-signal receiving section, the fire-signal receiving section coupled to the fire detector and the CCTV camera to notify a fire outbreak message including a fire outbreak zone and the CCTV image to a manager's mobile phone when a fire is detected from the fire detector, a manager's mobile phone that is a mobile phone used by a manager and displays the fire outbreak message received from the fire-signal receiving section and a CCTV image of the fire outbreak zone, and a mobile communication network to provide mobile communication between the fire-signal receiving section and the manager's mobile phone. 1. A remote disaster prevention system comprising:a fire detector installed in each zone of a building to detect a fire and transmit a detected result to a fire-signal receiving section; a CCTV camera installed in each zone of the building to transmit a photographed CCTV image to the fire-signal receiving section; the fire-signal receiving section coupled to the fire detector and the CCTV camera installed in each zone to notify a fire outbreak message including a fire outbreak zone and the CCTV image to a manager's mobile phone when a fire is detected from the fire detector; a manager's mobile phone that is a mobile phone used by a manager and displays the fire outbreak message received from the fire-signal receiving section and a CCTV image of the fire outbreak zone; and a mobile communication network configured to provide mobile communication between the fire-signal receiving section and the manager's mobile phone,wherein the fire-signal receiving section transmits a building-zone image with zones being separately marked, the manager's mobile phone displays a fire outbreak zone in the building-zone image ...

Flame detection system and method

A hazard detection system measures a color and intensity of a portion of an image of a scene. The image is obtained using a known gain and/or exposure such that the image substantially lacks any saturation. A black body brightness temperature and the corresponding block body intensity are determined based on the measured color. A hazard condition, such the presence of a flame, can be detected using a comparison of the measured intensity and the computed intensity. The gain and/or exposure can be selected such that only the pixels of intensity greater than a certain threshold generally saturate in the captured image. Hazard conditions, such as smoke, can be detected using images in which selective saturation is permitted.

Wildfire defender

A method includes accessing a first dataset including aerial imagery data, accessing a second dataset including property boundary data, and identifying property boundaries associated with a geographic area. A plurality of artificial-intelligence (AI) models are applied to the datasets to identify and compute information of interest. Based on the first dataset and constrained by the property boundaries, a building detection model can be applied to identify a building footprint, and a tree detection model can be applied to identify one or more trees. An estimated distance can be determined between each of the trees and a nearest portion of the building footprint as separation data, which can be compared to a defensible space guideline to determine a defensible space adherence score. A wildfire risk map can be generated, including the defensible space adherence score associated with the geographic area.

Analysis and Control for Fire Suppression System

A computer-implemented method that, when executed by data processing hardware, causes the data processing hardware to perform operations. These operations include receiving alarm signals associated with a thermal event, receiving thermal imaging data for the observation zone associated with the thermal event, evaluating the thermal imaging data to determine the location and/or the area of the thermal event within the observation zone. The operations also include obtaining a configuration record that includes configuration parameters for a retardant dispenser associated with the observation zone. Using the configuration parameters, the operations include instructing the dispenser to provide a retardant to the thermal event. 1. A computer-implemented method , when executed by data processing hardware , causes the data processing hardware to perform operations comprising:receiving an alarm signal associated with a thermal event;receiving thermal imaging data for an observation zone associated with the thermal event;evaluating the thermal imaging data to determine at least one of a location and an area of the thermal event within the observation zone;obtaining a configuration record including configuration parameters for a retardant dispenser associated with the observation zone; andinstructing the dispenser to provide a retardant to the thermal event using the configuration parameters.2. The method of claim 1 , wherein obtaining the configuration record includes selecting the configuration record from a configuration storage including predetermined configuration records.3. The method of claim claim 1 , further comprising:determining an alarm score for the alarm signal; andselectively filtering the alarm signal based on the alarm score.4. The method of claim 3 , wherein determining the alarm score comprises:obtaining optical data for the observation area associated with the thermal event;obtaining environmental sensor data for the observation area; andevaluating at ...

SYSTEM AND METHODS FOR DETECTING, CONFIRMING, CLASSIFYING, AND MONITORING A FIRE

One variation of a method for detecting a fire includes: during a first time period: detecting an increase in ambient light intensity and detecting an increase in ambient humidity; responsive to the increase in ambient light intensity and the increase in ambient humidity, detecting a fire event; during a second time period: correlating a decrease in ambient light intensity with an increase in visual obscuration; detecting an increase in ambient air temperature; in response to a magnitude of the increase in visual obscuration remaining below a high obscuration threshold and a magnitude of the increase in ambient temperature remaining below a high temperature threshold, classifying the fire as an incipient fire; and, in response to the magnitude of the increase in visual obscuration exceeding the high obscuration threshold and the magnitude of the increase in ambient temperature exceeding the high temperature threshold, classifying the fire as a developed fire. 1. A method for detecting a fire comprising: detecting an increase in ambient light intensity at a light sensor; and', 'detecting an increase in ambient humidity;, 'during a first time periodresponsive to the increase in ambient light intensity and the increase in ambient humidity during the first time period, detecting a fire event; correlating a decrease in ambient light intensity detected by the light sensor with an increase in visual obscuration of the light sensor;', 'detecting an increase in ambient air temperature;', 'in response to a magnitude of the increase in visual obscuration remaining below a high obscuration threshold and a magnitude of the increase in ambient temperature remaining below a high temperature threshold, classifying the fire as an incipient fire; and', 'in response to the magnitude of the increase in visual obscuration exceeding the high obscuration threshold and the magnitude of the increase in ambient temperature exceeding the high temperature threshold, classifying the fire as a ...

METHOD OF DETECTING PARTICLES BY DETECTING A VARIATION IN SCATTERED RADIATION

A smoke detecting method which uses a beam of radiation such as a laser (), to monitor a region, such as a room (). A camera () is used to capture images of part of the room (), including a path of the laser beam. Particles in the laser beam scatter light (), and this is captured by the camera () for analysis. A processor () extracts data relating to the scattered light () to determine the density of particles in the beam, to determine the level of smoke in the region. The laser may have a modulated output () so that images captured without the laser tuned “on” can be used as a reference point and compared to images taken with the laser turned “on”, to assist in determining the level of scattered light () compared to ambient light. Filters () may be used to decrease signals generated from background light. 1. A method of detecting smoke within a monitored region:directing a beam of radiation across the monitored region;capturing images of monitored region, including at least part of a path of the beam of radiation through the region;analysing the captured images to determine the presence of smoke on the basis of an increase in light scattered from the beam;determining an individual smoke level for a portion of the monitored region based on an increase in light scattered from the beam within a corresponding portion of the monitored region.2. The method of which further includes determining an individual smoke level for a plurality of portions of the monitored region based on an increase in light scattered from the beam within a corresponding portion of the monitored region.3. The method of wherein the method includes simulating a plurality of point detectors corresponding to said plurality of portions.4. A method as claimed in wherein the method includes claim 1 , outputting a smoke level to an addressable fire panel.53. A method as claimed in wherein the method includes claim 1 , outputting a smoke level corresponding to a plurality of point detectors to an ...

METHOD AND SYSTEM TO DETERMINE A FALSE ALARM BASED ON AN ANALYSIS OF VIDEO/S

Aspects of the invention are directed towards a system and a method for determining a false alarm based on analysis of video/s. One or more embodiments of the invention describe the method comprising steps of receiving one or more pre-recorded videos, the one or more pre-recorded videos indicating a false alarm activation. One or more embodiments of the invention further describe steps of analyzing false alarm activation in the one or more pre-recorded videos and receiving a real-time video captured from a camera. Accordingly, the false alarm is determined in the real-time video based on the analysis of the false alarm activation in the one or more pre-recorded videos. 1. A method comprising:receiving one or more pre-recorded videos, the one or more pre-recorded videos indicating a false alarm activation;analyzing the false alarm activation in the one or more pre-recorded videos;receiving a real-time video captured from a camera; anddetermining a false alarm in the real-time video based on the analysis of the false alarm activation in the one or more pre-recorded videos.2. The method of claim 1 , wherein the false alarm in the real-time video is determined by comparing the real-time video with the one or more pre-recorded videos.3. The method of claim 1 , wherein the one or more pre-recorded videos indicating false alarm activation are filtered and designated by a server.4. The method of claim 3 , wherein the filtering and designation of the pre-recorded videos is enabled at a user terminal.5. The method of claim 1 , further comprising claim 1 , generating an alert when the false alarm is determined in the real-time video.6. The method of claim 1 , further comprising claim 1 , providing an indication to a facility when the false alarm is not determined in the real-time video.7. The method of claim 1 , wherein the false alarm activation in the one or more pre-recorded videos or the false alarm in the real-time video depicts a false activation of an alarm by a user.8. ...

Fire management tool with versatile user interface

Methods, systems, and computer programs are presented for providing a user interface for fire management. One method includes an operation for estimating, by a fire management system, a fire state in a region and a forecast of an evolution of a fire at multiple times. The fire management program provides a user interface presenting fire information based on the estimated fire state and the forecast. The user interface includes a map of the region, a graphical representation of the fire information, and a time bar for selecting a time for the fire information. Additionally, the method includes an operation for receiving, via the user interface, a selection of the time for the fire information. The selected time is one of a past time, a present time, or a future time. The fire management program presents in the user interface the fire information for the selected time.

INTELLIGENT EVACUATION SYSTEM AND METHOD USED IN SUBWAY STATION FIRE

The invention relates to an intelligent evacuation system and method used in a subway station fire. A fire alarm module discovers a fire and transmits fire information, a fire source positioning module positions a fire source according to the collected picture information and smoke information of the fire, an indoor pedestrian positioning module positions pedestrians in a subway station; a relay control module is connected with the fire alarm module, the fire source positioning module and the indoor pedestrian positioning module, and the relay control module combines fire information, fire source positioning information and pedestrian positioning information; and a master control module is connected with the relay control module, and the master control module plans a dynamic escape route for each pedestrian according to the combined information, pedestrian information collected by a subway APP and pedestrian information collected by a map management system, and generates an escape route guide map. 1. An intelligent evacuation system used in a subway station fire , characterized by comprising a terminal node , a relay control module and a master control module; wherein the terminal node comprises a fire alarm module , a fire source positioning module and an indoor pedestrian positioning module; the terminal node is used for collecting and processing fire detection , fire source positioning and indoor pedestrian positioning data , sending the detection result of the node and receiving background instructions; the fire alarm module is used for discovering a fire and transmitting fire information; the fire alarm module is connected with the fire source positioning module , and the fire source positioning module is used for positioning a fire source according to the collected picture information and smoke information of the fire; the indoor pedestrian positioning module is used for positioning pedestrians in a subway station; the relay control module is connected with ...

Battery-powered security sensor system

A security sensor system is provided which allows the stopping of the device due to the end of a battery life to be postponed by suppressing battery power consumption, which is caused due to an object detection operation of the security sensor system, after a low battery state is detected. The security sensor system is powered by a battery. When a low battery detector detects a reduction in the voltage of the battery, an object detection operation of the security sensor system is switched from a normal mode to a suppression mode. Consumption of the battery in the suppression mode is suppressed.

INTELLIGENT FLAME THERMOGRAM DETECTION APPARATUS AND METHOD USING INFRARED

The present invention relates to an intelligent flame detection apparatus and method using an infrared thermogram, which combine a conventional flame detector with an infrared thermographic camera and an infrared thermogram processing technology, and which enable whether a flame signal received from a flame sensor is an allowed flame or an artificial flame to be accurately detected, thereby improving the accuracy of fire alarms. 1. An intelligent flame detection apparatus using an infrared thermogram , the apparatus comprising:a housing;a flame sensor mounted on the housing, and configured to detect a flame within a monitoring area;an infrared thermographic camera mounted on the housing, and configured to acquire a thermogram of the monitoring area; anda control board configured to perform image processing adapted to determine whether the flame within the monitoring area is a flame attributable to a real fire or an artificial flame allowed in advance through image processing of the thermogram photographed by the infrared thermographic camera and processing of sensing data acquired by the flame sensor.2. The intelligent flame detection apparatus of claim 1 , wherein a flame detector using ultraviolet or infrared rays or a three-wave flame detector is adapted as the flame sensor.3. The intelligent flame detection apparatus of claim 1 , wherein the control board includes:a flame detection signal reception unit configured to receive a flame detection signal of the flame sensor;an image processing unit configured to perform image processing adapted to determine whether the flame within the monitoring area is a flame attributable to a real fire or an artificial flame allowed in advance based on the thermogram of the flame photographed by the infrared thermographic camera;a fire determination unit configured to determine whether a fire signal has been generated by comparing a size of the flame with a reference value;an alarm signal output unit configured to output a fire ...

VEHICLE SMOKE DETECTION SYSTEM AND METHOD THEREFOR

A smoke detecting system for an interior of a vehicle has a smoke detection circuit monitoring for smoke within the interior of the vehicle. The smoke detecting circuit records a date and time when the smoke detection circuit monitors a smoke level above a predetermined value. 1. A smoke detecting system for an interior of a vehicle comprising:a smoke detection circuit monitoring for smoke within the interior of the vehicle, the smoke detecting circuit recording a date and time when the smoke detection circuit monitors a smoke level above a predetermined value.2. The system of claim 1 , wherein the smoke detection circuit comprises:at least one smoke detection sensor positioned within the interior of the vehicle; andan Electronic Control Unit (ECU) coupled to the at least one smoke detection sensor controlling operation of the at least one smoke detection sensor, the ECU storing data related to when the at least one smoke detection sensor detects smoke particulates within the interior of the vehicle above the predetermined threshold.3. The system of claim 2 , wherein the ECU records a time and day the at least one smoke detection sensor detects smoke particulates within the interior of the vehicle above the predetermined threshold.4. The system of claim 2 , wherein the smoke detection circuit comprises a Global Positioning System (GPS) unit coupled to the ECU indicating a location where the at least one smoke detection sensor detects smoke particulates within the interior of the vehicle above the predetermined threshold.5. The system of claim 2 , wherein the smoke detection circuit comprises a recording device coupled to the ECU recording one or more images of the interior of the vehicle when the at least one smoke detection sensor detects smoke particulates within the interior of the vehicle above the predetermined threshold.6. The system of claim 2 , wherein the smoke detection circuit comprises a connector attaching a computing device to the ECU to download the ...

Integrated security inspection system

The invention discloses an integrated security inspection system, comprising: a server, an information input unit in an information input area, a tray distributing and associating unit and a security inspection imaging and sorting unit in a baggage check area. The tray distributing and associating unit distributes a tray with an identifier to a piece of baggage. The information input unit obtains and sends information of a person to the server. The tray distributing and associating unit obtains and sends information of the person and the identifier of the tray to the server, which processes them to generate a first association information. The security inspection imaging and sorting unit checks the baggage to obtain a security image, read the identifier, and send them to the server, which processes them to generate a second association information. The server matches and stores the information of the person with information of the security image.

Fire Detector Having A Photodiode For Sensing Ambient Light

Various embodiments may include fire detector comprising: a fire sensor generating a signal corresponding to a characteristic fire parameter; a control unit; and a photodiode for detecting ambient light in a spectrally delimited range of 400 nm to 1150 nm. The control unit analyzes the signal and generates a fire alarm if the signal corresponds to a predetermined threshold for a fire. The control unit analyzes a photo-signal received from the photodiode and if the flicker frequencies characteristic of open fire are detected, the control unit increases a sampling rate for acquiring the sensor signal from the fire sensor by reducing a filter time of an evaluation filter for the fire analysis and/or by lowering an alerting threshold. 1. A fire detector comprising:a fire sensor generating a signal corresponding to a characteristic fire parameter;a control unit; anda photodiode for detecting ambient light in a spectrally delimited range of 400 nm to 1150 nm;wherein the control unit analyzes the signal;the control unit generates a fire alarm if the signal corresponds to a predetermined threshold for a fire;the control unit analyzes a photo-signal received from the photodiode to detect flicker frequencies characteristic of open fire; andif the flicker frequencies characteristic of open fire are detected, the control unit increases a sampling rate for acquiring the sensor signal from the fire sensor by reducing a filter time of an evaluation filter for the fire analysis and/or by lowering an alerting threshold.2. The fire detector as claimed in claim 1 , wherein the control unit suppresses generation of a fire alarm based on detected characteristic flicker frequencies in the received photo-signal.3. The fire detector as claimed in claim 1 , wherein the photodiode comprises a silicon photodiode.4. The fire detector as claimed in claim 1 , further comprising a daylight blocking filter that passes only light in a range of 700 nm to 1150 nm arranged in front of the photodiode.5 ...

Fire detection system

Comprehensive system for fire detection and implementing thereof. The disclosed system combines and optimizes optical, electrical, and sensor sub-systems to provide the functionality demanded by the market. While many of the individual functions exist separately, none of the existing products combine elements from different sub-systems to provide a much higher level of functionality. The present disclosure shows how to build a very compact housing around the smoke detector while keeping the reflections from the housing structure to a very low value while satisfying all the other peripheral needs of fast response to smoke and preventing ambient light. This allows very small measurements of light scattering of the smoke particles to be reliable in a device resistant to the negative effects of dust.

INFORMATION PROVIDING METHOD AND INFORMATION PROVIDING APPARATUS

A cloud server (104) receives environmental information of respective installation sites of a plurality of appliances (101101101102102) via a network (1000), and determines one or more appliances that are installed in a same room among the plurality of appliances (101, 101101102102), based on the received environmental information. 1. An information providing method for use in an information providing apparatus connected to a plurality of appliances via network , the method comprising:receiving a signal indicating that a call is made from a telephone connected via the network;specifying one or more sound generators installed in a room where the telephone is installed and each generating sound in accordance with an operation, by referring to a list of one or more appliances that are installed in a same room among the plurality of appliances; andoutputting a control signal for suppressing generation of the sound to at least one sound generator of the one or more sound generators.2. The information providing method according to claim 1 , wherein the at least one sound generator represents an AV system.3. An information providing method according to claim 2 , wherein the control signal is a signal for lowering a volume.4. The information providing method according to claim 1 , wherein the at least one sound generator represents a dishwasher.5. The information providing method according to claim 4 , wherein the control signal is a signal for suspending an operation of the dishwasher.6. The information providing method according to claim 4 , wherein the control signal is a signal for turning of a power of the dishwasher.7. The information providing method according to claim 1 , further comprising:receiving position specifying information for specifying the location of the plurality of appliances in the room and specifying the location of a user in the room;determining whether or not a distance between the location of the at least one sound generator and the location of ...

APPARATUSES, SYSTEMS, AND METHODS CONTROLLING TESTING OPTICAL FIRE DETECTORS

A testing device for testing infrared OFDs is provided. The testing device may comprise a body, an infrared source, a controller and a user input. The infrared source may be housed with the body. The controller may be operatively coupled to the infrared source. The controller may also be integral to the infrared source. The user input may be operatively coupled to at least one of the controller and the infrared source. The testing device may be configured to produce infrared emissions to simulate flaming fire. 1. An infrared testing device comprising:a body,a solid state infrared source, housed with the body;a controller operatively coupled to the infrared source; anda user input operatively coupled to at least one of the controller and the infrared source.2. The infrared testing device of claim 1 , wherein the infrared source is capable of producing infrared emissions having wavelengths of approximately 1 μm to approximately 20 μm.3. The infrared testing device of claim 1 , wherein the infrared source is an array of infrared sources.4. The infrared testing device of claim 3 , wherein the array of infrared source are configured to emit a plurality of wavelengths.5. The infrared testing device of claim 1 , wherein the testing device is portable.6. The infrared testing device of claim 1 , wherein the testing device is battery powered.7. The infrared testing device of claim 1 , wherein an emission from the infrared source is definite.8. The infrared testing device of claim 1 , wherein the infrared source is a MEMS based infrared source.9. An in-factory testing system claim 1 , comprising:a testing device comprising an infrared source;a testing structure configured to retain the testing device at a specific orientation;an infrared OFD;a support structure coupled to the infrared OFD and configured to hold the OFD in the specific orientation.10. The in-factory testing system of claim 9 , wherein the infrared source is a MEMS device.11. The in-factory testing system of ...

IMAGE-BASED DISASTER DETECTION METHOD AND APPARATUS

Disclosed herein are a method and apparatus for detecting a disaster based on images. The apparatus includes an image capture unit for capturing video using at least one camera and controlling the camera based on a camera control signal received from the outside; a disaster detection unit for generating a disaster log based on the video captured using the camera; a disaster analysis unit for calculating a disaster occurrence probability value based on the disaster log and determining whether to enter a camera control mode based on the disaster occurrence probability value; and a disaster alert unit for warning of a disaster based on a disaster alert request signal. 1. An apparatus for detecting a disaster , comprising:an image capture unit for capturing video using at least one camera and controlling the camera based on a camera control signal received from an outside;a disaster detection unit for generating a disaster log based on the video captured using the camera;a disaster analysis unit for calculating a disaster occurrence probability value based on the disaster log and determining whether to enter a camera control mode based on the disaster occurrence probability value; anda disaster alert unit for warning of a disaster based on a disaster alert request signal.2. The apparatus of claim 1 , wherein:the camera control signal is capable of including a disaster alert signal and information about a position at which it is suspected that a disaster occurs, andwhen the camera control signal includes the disaster alert signal and the information about the position at which it is suspected that a disaster occurs, the image capture unit rotates the camera to be directed at the position at which it is suspected that a disaster occurs and controls a lens of the camera so as to zoom in on the corresponding position.3. The apparatus of claim 1 , wherein the disaster log includes information about whether a disaster occurs on a time basis and information about a place at ...

METHODS AND SYSTEMS FOR DETECTION OF ANOMALOUS MOTION IN A VIDEO STREAM AND FOR CREATING A VIDEO SUMMARY

A computer-implemented method, comprising: obtaining motion indicators for a plurality of samples of a video stream; obtaining an anomaly state for each of a plurality of time windows of the video stream, each of the time windows spanning a subset of the samples, by (i) obtaining estimated statistical parameters for the given time window based on measured statistical parameters characterizing the motion indicators for the samples in at least one time window of the video stream that precedes the given time window and (ii) determining the anomaly state for the given time window based on the plurality of motion indicators obtained for the samples in the given time window and the estimated statistical parameters; and processing the video stream based on the anomaly state for various ones of the time windows. 131.-. (canceled)32. A computer-implemented media processing method , comprising:obtaining at least one media stream;determining an anomaly state associated with each of the at least one media stream;identifying segments of interest of each of the at least one media stream based on the anomaly state associated with each of the at least one media stream; andcreating a media summary based on the identified segments of interest of the at least one media stream.33. The method defined in claim 32 , wherein determining an anomaly state associated with each of the at least one media stream comprises determining an anomaly state of each of a plurality of time windows of each of the at least one media stream claim 32 , wherein the anomaly state of a given one of the time windows indicates whether the given one of the time windows exhibits a statistically abnormal change in motion claim 32 , and wherein identifying segments of interest of each of the at least one media stream based on the anomaly state associated with each of the at least one media stream comprises identifying segments of interest of each of the at least one media stream based on the anomaly state of each ...

Systems and methods for detecting building conditions based on wireless signal degradation

A method for detecting an event in or around a building. The method includes recording a baseline signal characteristic that characterizes a wireless signal transmitted between devices in or around the building during a baseline time period and recording a second signal characteristic that characterizes the wireless signal during a second time period after the baseline time period. An event in or around the building is detected in response to a determination that the second signal characteristic is abnormal relative to the baseline signal characteristic, the event degrading the wireless signal during the second time period. An alarm is triggered in response to detecting the event.

Fire Detection and Surveillance System

A fire detection and surveillance system includes a fire detector, a main control unit electrically connecting to the fire detector, and a surveillance system electrically connecting to the main control unit. When the fire detector detects occurrence of fire in a predetermined area, the fire detector is arranged to send a corresponding signal to the main control unit, and trigger the surveillance system to capture a visual video of the predetermined area. 1. A fire detection and surveillance system , comprising:a fire detector;a main control unit electrically connecting to said fire detector; anda surveillance system electrically connecting to said main control unit, wherein when said fire detector detects occurrence of fire in a predetermined area, said fire detector is arranged to send a corresponding signal to said main control unit, and trigger said surveillance system to capture a visual video of said predetermined area.2. The fire detection and surveillance system claim 1 , as recited in claim 1 , wherein said surveillance system comprises at least one video capturing device claim 1 , and at least one surveillance control device electrically connecting to said main control unit and said video capturing device claim 1 , wherein said surveillance control device is arranged to process and store said video captured by said video capturing device.3. The fire detection and surveillance system claim 2 , as recited in claim 2 , wherein said surveillance system further comprises at least one trigger switch electrically connecting between said surveillance control device and said fire detector claim 2 , in such a manner that when said fire detector is triggered and sends a corresponding signal to said main control unit claim 2 , said trigger switch is also triggered to switch on said corresponding surveillance control device for activating said video capturing device which is electrically connecting to said surveillance control device.4. The fire detection and ...

Fire Alarm and Surveillance System

A fire alarm and surveillance system includes a manual fire alarm activator, a main control unit electrically connecting to the manual fire alarm activator, and a surveillance system electrically connecting to the main control unit. When the manual fire alarm activator is triggered, the manual fire alarm activator is arranged to send a corresponding signal to the main control unit, and trigger the surveillance system to capture a visual video of the predetermined area. 1. A fire alarm and surveillance system , comprising:a manual fire alarm activator;a main control unit electrically connecting to said manual fire alarm activator; anda surveillance system electrically connecting to said main control unit, wherein when said manual fire alarm activator is triggered, said manual fire alarm activator is arranged to send a corresponding signal to said main control unit, and trigger said surveillance system to capture a visual video of said predetermined area.2. The fire alarm and surveillance system claim 1 , as recited in claim 1 , wherein said surveillance system comprises at least one video capturing device claim 1 , and at least one surveillance control device electrically connecting to said main control unit and said video capturing device claim 1 , wherein said surveillance control device is arranged to process and store said video captured by said corresponding video capturing device.3. The fire alarm and surveillance system claim 2 , as recited in claim 2 , wherein said video capturing device is mounted on said corresponding manual fire alarm activator so that said video capturing device is capable of capturing a video of an area in the vicinity of said corresponding manual fire alarm activator.4. The fire alarm and surveillance system claim 1 , as recited in claim 1 , wherein said manual fire alarm activator comprises a main body claim 1 , a fire alarm button being operatively mounted on said main body claim 1 , and a fire indicator providing on said main body.5. ...

Flame sense circuit with variable bias

A system for changing a bias level of a flame sensing circuit to identify leakage in the flame sensing circuit. The bias level may be varied in the positive or negative axis and the flame current may be noted to identify leakage. The bias level may be changed by a microcontroller. The bias level may be changed using an operational amplifier configuration which is used as a signal conditioner for interfacing the flame signal to the microcontroller.

APPARATUSES, SYSTEMS AND METHODS FOR SELF-TESTING OPTICAL FIRE DETECTORS

An integral testing system for testing OFDs is provided. The OFD may comprise a body, a detector, and an infrared source. The detector and the infrared source may be housed with the body. The infrared source may be configured to generate emissions having one or more infrared wavelengths that are detectable by the detector. The infrared source may be configured to produce infrared emissions to simulate flaming fire. 1. An optical flame detector comprising:a body;an infrared source housed with the body;a detector housed within the body and configured to receive a first emission from the infrared source.2. The optical flame detector of claim 1 , wherein the infrared source is capable of producing a plurality of emissions having wavelengths of approximately 1 μm to approximately 20 μm.3. The optical flame detector of claim 1 , further comprising a window claim 1 , wherein the detector is configured to monitor an environment through the window.4. The optical flame detector of claim 3 , wherein the first emission from the infrared source is reflected by the window.5. The optical flame detector of claim 4 , wherein the infrared source is collocated on the same surface as the detector.6. The optical flame detector of claim 1 , wherein the infrared source is a MEMS device.7. The optical flame detector of claim 1 , further comprising a LED emitter.8. The optical flame detector of claim 7 , wherein the first emission from the infrared source has a first wavelength and wherein a second emission from the LED emitter has a second wavelength.9. The optical flame detector of claim 1 , wherein the infrared source is configured to directly illuminate the detector.10. A self-testing fire suppression system comprising:an optical flame detector comprising,a first detector,a second detector,a first infrared source configured to produce an emission that is detectable by at least one of the first detector and the second detector.1110. The self-testing fire suppression system claim 1 , ...

SMOKE DEVICE AND SMOKE DETECTION CIRCUIT

A method for monitoring a location performed by one or more processors comprises receiving signals from a smoke sensor; determining one or more minutiae from the received signals; determining a time window based on at least one said determined one or more minutiae; characterizing one or more smoke or fire types in the determined time window based on one or more of said determined one or more minutiae; dynamically determining one or more alarm levels based on the characterized one or more smoke or fire types; evaluating at least one minutiae in the determined time window using the determined one or more alarm levels; and outputting an alarm signal if an alarm condition is determined. 1. A detection circuit embodied in one or more processors for monitoring a location , the detection circuit comprising:a minutiae computer module configured for receiving signals from a smoke sensor and determining one or more minutiae from the received signals;a ripple detector start/reset timer module configured for receiving at least one of the determined one or more minutiae and determining at least a start time for evaluating one or more of the one or more minutiae;a scheduler/minutia analyzer and fire type probability analyzer module configured for evaluating the one or more of the determined one or more minutiae and characterizing the one or more of the one or more minutiae according to one or more smoke or fire types;a fire type and alarm level selector configured for setting one or more alarm levels based on the characterized one or more smoke or fire types; andan alarm level detector for evaluating at least one minutiae using the set one or more alarm levels and outputting an alarm signal if an alarm condition is determined.2. The detection circuit of claim 1 , wherein the one or more minutiae comprises one or more of signal amplitude claim 1 , signal velocity claim 1 , signal acceleration claim 1 , average signal amplitude claim 1 , average signal velocity claim 1 , or average ...

SMOKE DETECTION METHOD AND APPARATUS

Embodiments of this disclosure provide a smoke detection method and apparatus. The apparatus includes a processor configured to detect foreground blobs in images of a plurality of frames in a video; determine motion areas of detected foreground blobs; determine a first degree of overlapping of the foreground blobs in images of at least two frames, and/or determine a second degree of overlapping of the foreground blobs and motion areas to which the foreground blobs correspond; determine interfering foreground blobs according to the first degree of overlapping and/or the second degree of overlapping; and extract features from motion areas of remaining foreground blobs with the interfering foreground blobs being removed, and detect smoke according to the features. With the embodiments of this disclosure, accuracy of smoke detection may be increased, and false detection resulted from such interfering objects as water blobs, or light spots, etc., may be avoided. 1. An apparatus for smoke detection , comprising:a memory; and detect foreground blobs in images of a plurality of frames in a video;', 'determine motion areas of the detected foreground blobs;', 'determine a first degree of overlapping of the foreground blobs in images of at least two frames, and/or determine a second degree of overlapping of the foreground blobs and motion areas to which the foreground blobs correspond;', 'determine at least one interfering foreground blob according to the first degree of overlapping and/or the second degree of overlapping; and', 'extract features from motion areas of remaining foreground blobs with the at least one interfering foreground blob being removed, and detect whether smoke exists in the video according to the extracted features., 'a processor coupled to the memory where the processor is configured to2. The apparatus according to claim 1 , wherein the processor determines a first degree of overlapping of a foreground blob among the foreground blobs claim 1 ,calculates ...

METHOD FOR OPERATING A SAFETY DEVICE

The present invention relates to a method for operating a security device, comprising a housing with at least one current-carrying element, wherein the current-carrying element is arranged in the housing interior and is enclosed by the housing. A particle detector is arranged in the housing interior, which monitors the housing interior with respect to the formation of particles. 11011121213111513151324. A method for operating a safety device () comprising a housing () with at least one current-carrying element () , the current-carrying element () being arranged in a housing interior () and enclosed by the housing () , and a particle detector () arranged within the housing interior () of the housing , the method comprising monitoring , via the particle detector () , the housing interior () for an occurrence of particles ().21015. The method for operating a safety device () as claimed in claim 1 , characterized in that the particle detector () is a photoelectric barrier.310151617. The method for operating a safety device () as claimed in claim 1 , characterized in that the particle detector () includes a radiation source () and a radiation receiver ().41016. The method for operating a safety device () as claimed in claim 3 , characterized in that the radiation source () is a light-emitting diode.51017. The method for operating a safety device () as claimed in claim 3 , wherein the radiation receiver () is a photodiode.610101719. The method for operating a safety device () as claimed in claim 3 , characterized in that the safety device () monitors the radiation receiver () for radiation emitted by an arc discharge ().710151811. The method for operating a safety device () as claimed in claim 1 , characterized in that the particle detector () is arranged on or in an opening () of the housing ().8101811. The method for operating a safety device () as claimed in claim 7 , characterized in that the opening () is a pressure equalization opening of the housing ().91016. The ...

Gas detection device

A gas detection device has at least one functional device ( 1, 13 ), which is configured to receive radiation ( 10 ) passing through a defined monitoring area ( 4 ). At least one analysis unit ( 9, 19 ) is configured to detect and analyze a change in the received radiation ( 10 ). The received radiation ( 10 ) is based on the interaction of the radiation ( 10 ) with a gas present within the monitoring area ( 4 ). At least one camera ( 8 ) has a field of view ( 11 ) that at least partially detects the monitoring area ( 4 ).

Flame Detector

A system and method are disclosed for detecting open flames in an outdoor environment. Structurally, the outdoor flame detector includes both an ultra-violet (UV) detector and a Radio Frequency (RF) detector. While operating within predetermined parameters, these detectors respectively create an event signal(s) and a cancel signal(s). In detail, the UV detector will output an event signal whenever UV radiation with a fluence above a predetermined value is incident on the UV detector. On the other hand, the RF detector will output a cancel signal whenever it receives an RF component transmitted in an electrical arc discharge having an intensity above a predetermined threshold. The event signal and the cancel signal are then individually and collectively evaluated by a computer to distinguish between an actual open flame and a non-flame event, such as an electric arc discharge (e.g. lightening, electric motors and arc welding). 1. A flame sensing unit which comprises:an optical sensor for creating an event signal, wherein the event signal is indicative of a flame and is created whenever ultra-violet (UV) radiation is incident on the sensor and the incident UV radiation exceeds a predetermined fluence;a hollow, transparent tube having a first end and a second end with a lumen extending therebetween, wherein the lumen of the tube is dimensioned for receiving the optical sensor therein;a self-regulating heater mounted on the first end of the tube for maintaining the tube at an operational temperature, wherein the operational temperature is in a predetermined temperature range and is established to prevent moisture effects on the tube;a housing engaged with the first end of the tube and with the second end of the tube to support the sensor in the tube, wherein the housing protectively encloses the tube and is formed with an aperture to allow UV radiation from an external source to pass through the aperture for incidence on the optical sensor in the tube; anda controller ...

SYSTEM FOR MONITORING EVENT RELATED DATA

A system for monitoring event related data including a sensor data analyzer, an event analyzer and an actuator is disclosed. The sensor data analyzer detects events based on sensor data, the event analyzer couples to the sensor data analyzer and estimates the size of the detected entire events based on event related data of the detected events from the sensor data analyzer, and the actuator couples to the sensor data analyzer and the event analyzer and actuates a predetermined device based on the estimated size of the detected entire events. 1. A control system comprising:at least one memory storing instructions; and detect that an event occurred in a surveillance area by using sensor data;', 'identify a type of the detected event; and', 'control an imaging range of a camera in the surveillance area based on the identified type of the detected event., 'at least one processor coupled to the at least one memory, the at least one processor configured to execute the instructions to2. The control system according to claim 1 , wherein the at least one processor is further configured to execute the instructions to control the imaging range based on a type of a sound event.3. The control system according to claim 1 , wherein a number of varieties of the imaging range claim 1 , which is defined by a control by the at least one processor claim 1 , is not less than three.4. The control system according to claim 1 , wherein the processor is further configured to:detect an abnormal odor as the event based on the sensor data provided by an odor sensor; andset the imaging range to a range depending on a location of the odor sensor.5. The control system according to claim 1 , wherein the processor is further configured to:detect an unusual crowd as the event based on the sensor data provided by an infrared sensor; andset the imaging range to a range depending on a location of the infrared sensor.6. A control method comprising:detecting that an event occurred in a surveillance area ...

SYSTEM FOR MONITORING EVENT RELATED DATA

A system for monitoring event related data including a sensor data analyzer, an event analyzer and an actuator is disclosed. The sensor data analyzer detects events based on sensor data, the event analyzer couples to the sensor data analyzer and estimates the size of the detected entire events based on event related data of the detected events from the sensor data analyzer, and the actuator couples to the sensor data analyzer and the event analyzer and actuates a predetermined device based on the estimated size of the detected entire events. 1. A surveillance system comprising: detect events by using sensor data; and', 'estimate an entire size of the detected events based on event related data of the detected events; and, 'an information processing system comprising at least one processor configured to select a notification destination from a plurality of predetermined departments based on the estimated entire size of the detected events; and', 'send an alarm to the selected notification destination., 'an alarm notification system comprising at least one processor configured to2. The surveillance system according to claim 1 , wherein the plurality of predetermined departments include a department of police.3. The surveillance system according to claim 2 , wherein the at least one processor of the alarm notification system is further configured to select the department of police as the notification destination when the estimated entire size of the detected events corresponds to a smallest level.4. A surveillance method comprising:detecting events by using sensor data; andestimating an entire size of the detected events based on event related data of the detected events; andselecting a notification destination from a plurality of predetermined departments based on the estimated entire size of the detected events; andsending an alarm to the selected notification destination.5. The surveillance method according to claim 4 , wherein the plurality of predetermined ...

Particle detection

A particle detection system ( 100 ), such as an active video smoke detection system, includes at least one illumination means ( 102 ) for directing a beam ( 106 ) of radiation through at least part of the air volume being monitored ( 110 ), an image sensor ( 104 ) is positioned to capture images of at least part of a beam ( 106 ) from illumination means ( 102 ); and means to analyse ( 107 ) the captured images to detect the presence of particles within the volume. At least 29 different aspects are described for improving the sensitivity, usability, and robustness of particle detection. These include, for example, configuring illumination means ( 102 ) to create a curtain of light or a rapidly-scanned beam across the air volume ( 110 ), and configuring a reflector to steer or change direction of a beam reflected from illumination means ( 102 ).

FIRE DETECTOR HAVING RESET FUNCTION LINKED WITH LAMP AND FIRE WARNING METHOD USING SAME

Disclosed is a fire detector and a fire warning method. The fire detector includes: a fire sensor detecting a factor corresponding to fire; and a controller determining whether a fire has occurred, by using a sensed value of the fire sensor, and determining whether a reset event is generated, through an on/off state of the lamp. The fire warning method includes: performing, by a controller, monitoring for a fire; determining, by the controller, whether a fire has occurred; and giving a warning when it is determined that a fire has occurred, and simultaneously determining whether a reset event is generated, through an on/off state of a lamp. 1. A fire detector having a reset function linked with a lamp , the fire detector comprising:a fire sensor detecting a factor corresponding to fire; anda controller determining whether a fire has occurred, by using a sensed value of the fire sensor, and determining whether a reset event is generated, through an on/off state of the lamp.2. The fire detector of claim 1 , further comprising:an illumination sensor detecting illumination of a space where the fire detector is installed,wherein the controller detects a change in the illumination in an interior of the space by using a sensed value of the illumination sensor.3. The fire detector of claim 1 , wherein when the state of the lamp is changed from the on state to the off state claim 1 , or from the off state to the on state claim 1 , the controller determines that the reset event is generated claim 1 , through a sensed value of an illumination sensor.4. The fire detector of claim 3 , wherein when the number of times that the change between the on state and the off state of the lamp takes place exceeds a preset number of times claim 3 , the controller determines that the reset event is generated.5. The fire detector of claim 1 , wherein the controller terminates a fire warning when it is determined that the reset event is generated.6. A fire detecting method comprising: ...