575 results about "Fire detector" patented technology

In an apparatus including a personal monitoring device which includes a microphone, speaker, camera, memory or database, global positioning device, controller, and transmitter, the improvement including a wearable device configured to include at least one of more components of the personal monitoring device on, with, or within, the wearable device, and a smoke detector, the fire detector, or the carbon monoxide (CO) detector. The microphone, speaker, or camera is located on an exterior of the wearable device. The smoke detector, fire detector, or carbon monoxide (CO) detector, is located on an exterior of the wearable device. The smoke detector, fire detector, or carbon monoxide (CO) detector, detects a presence of smoke, a fire, or a presence of carbon monoxide, and the speaker emits an alarm, a siren blare, or an audible and verbal message. The transmitter transmits a message to a computer or communication device.

The invention provides a dual-wavelength smoke temperature composite fire detector and a detection method. The dual-wavelength smoke temperature composite fire detector comprises an infrared transmitting device, a blue light transmitting device, a 1 # light receiving device and a 2 # light receiving device, a thermistor is also included; optical axes of the infrared transmitting device, the blue light transmitting device, the 1 # light receiving device and the 2 # light receiving device are intersected at one point, the 1 # light receiving device receives forward scattered light of smoke particles to the infrared transmitting device and backward scattered light of the smoke particles to the blue light transmitting device, and the 2 # light receiving device receives backward scattered light of the smoke particles to the infrared transmitting device; and forward scattering light of the smoke particles to the blue light emitting device; the thermistor obtains environment temperature information; and identifying the type of the smoke according to the forward and backward scattering characteristic data of the smoke under the dual wavelengths and the environment temperature. According to the invention, functions of smoke detection and temperature detection are combined, and accuracy and reliability of fire detection are greatly improved by monitoring fire characteristic parameters of smoke and temperature at the same time.

The invention relates to the technical field of smoke exhaust fan control, in particular to a fire-fighting smoke exhaust fan control method and system based on fire smoke spreading self-starting and self-stopping. A fire detector is adopted to detect whether a fire exists in a set area or not; real-time temperature information and real-time shielding information in the protected area are collected in real time; fire information is obtained based on the real-time temperature information and the real-time shielding information; judging whether a fire early warning criterion is met or not according to the fire information; when the fire hazard early warning criterion is met, controlling the motor speed of the smoke exhaust fan corresponding to the protected area set by the fire hazard detector to be increased; when the fire hazard early warning criterion is not met, the motor speed of the smoke exhaust fan corresponding to the protected area set by the fire hazard detector is controlled to be kept unchanged at the existing running speed, and a comprehensive fire hazard environment sensing system is constructed by collecting real-time temperature information and real-time shielding information at the same time; therefore, the system can judge the development condition of the fire and the spreading trend of the smoke more accurately.

The electromechanical circuit overload protection equipment comprises a box body, a fire extinguishing mechanism is arranged at the top of the box body, a base is fixedly connected to the bottom of the box body, two sets of box doors are arranged at the front end of the box body, and the fire extinguishing mechanism comprises an outer shell; the internal pressure of the driving gas cylinder is detected through a pressure gauge, then materials in the driving gas cylinder can be supplemented through a valve, and then materials can be supplemented to four groups of carbon dioxide storage tanks through a connecting port formed in the rear end of a second electromagnetic valve. Gas in the box body is sucked into a gas conveying pipe through a hole in the bottom of a fire detector arranged in the box body, then the gas is conveyed into a detection cavity for detection through suction provided by a sampling fan connected with the gas conveying pipe, then the gas is filtered through a filter, fire gas is prevented from flowing out, and therefore other devices are triggered. And then the filtered gas is discharged through the exhaust port after the detection cavity detects the gas and confirms that the fire occurs.

Disclosed is a design method for a bridge main cable fire-fighting water curtain protection system, comprising the following steps: S1: a fire detector and spraying branch pipes are arranged along a bridge main cable, a plurality of water curtain nozzle groups for extinguishing fire of a bridge are arranged on the spraying branch pipes, the water curtain nozzle groups are connected to a water supply system, and the water supply system and the fire detector are electrically connected to a control system; S2: the arrangement distance and the spraying protection area of the water curtain nozzle groups are determined, water curtain spraying appearance curves under a set design pressure and flow rate are drawn on a vertical and horizontal coordinate grid diagram and on the basis of a provided water curtain nozzle spraying profile diagram, and it is ensured that the water curtain spraying appearance curves of two adjacent water curtain nozzles have an intersection point; and S3, each spraying branch pipe is connected to a corresponding water supply branch, each water supply branch is provided with a pressure reducing valve for controlling the water pressure of the corresponding spraying branch pipe, and the pressure reducing valve on each water supply branch needs to independently set an outlet pressure.

The invention is suitable for the technical field of equipment detection, and particularly relates to a state detection method and device of a fire detector, equipment and a medium. N initial detection values and K initial detection value sets are respectively fitted through an environment state selection preset fitting method; the reliability degree of the target fire detector is evaluated by using the obtained first target detection function and the plurality of second target detection functions, comprehensive consideration is carried out from multiple angles of the whole and the local, and the evaluation accuracy of the reliability degree is improved through mutual verification of the plurality of functions; determining an abnormal detection value and determining a state monitoring result of the target fire detector by integrating multiple factors such as the reliability degree, a second reference detection value curve corresponding to the environment state, the initial detection value and the first target detection function, and constraining and judging the initial detection value from different factors and aspects; the screening accuracy of the abnormal detection value is improved, and the accuracy of the state detection result of the target fire detector is further improved.

The utility model discloses a drop test device, which comprises a sample mounting and lifting unit, a sample fixing unit and a drop receiving unit, the mounting and lifting unit can move and level, a tested product sample is detachably mounted on the sample fixing unit, the sample fixing unit is movably mounted on the mounting and lifting unit, and the drop receiving unit is mounted on the mounting and lifting unit. The sample fixing unit is controlled to release the tested product sample, so that the tested product sample freely falls into the falling receiving unit. According to the utility model, the drop test can be carried out on products such as a point-type temperature-sensitive fire detector and a manual fire alarm button, free drop of a tested sample can be realized, drop height control, repeatability and consistency are good, the device is simple to operate, and test efficiency can be improved.

The utility model discloses an energy storage battery fire-fighting device which comprises a placing cabinet and a fire-fighting box, a motor and an audible and visual alarm are installed on the upper surface of the fire-fighting box, a smoke and fire detector is installed on one side face of the fire-fighting box, a two-way screw rod is installed in the fire-fighting box, an auxiliary gear and a moving block are installed on the peripheral side face of the two-way screw rod, and the moving block is connected with a push-pull rod. A baffle and a discharging plate are connected into the fire-fighting box, and the motor is connected with a main gear. By arranging the two-way screw rod, the moving block, the push-pull rod and the discharging plate, when a battery pack is on fire, the smoke and fire detector detects smoke and fire and transmits an electric signal to the audible and visual alarm and the motor, the audible and visual alarm gives an alarm to remind a worker, the motor drives the two-way screw rod to rotate through meshing between gears, and the discharging plate is arranged on the two-way screw rod. And the two moving blocks move back to back, the moving blocks push the discharging plate downwards through the push-pull rod, so that phosphate slides into the containing cabinet along the discharging plate, fire extinguishing is carried out, and economic losses can be effectively reduced.

The invention discloses an on-site monitoring device of a railway tunnel intelligent fire-fighting monitoring system. The on-site monitoring device comprises a sensing module, a control module and a fire-fighting module, the sensing module and the fire-fighting module are respectively in communication connection with the control module; the sensing module is used for detecting a tunnel environment and acquiring environment information; the environment information comprises fire detector data and fire source images formed at different positions in the tunnel environment; the control module is used for extracting fire source features according to the fire source image and predicting a fire source spatial position in combination with fire detector data; the fire-fighting module is adjusted according to the fire source space position to execute fixed-point fire fighting; according to the invention, accurate fire source positioning can be realized in combination with image data of a fire scene and detector data, and fire-fighting measures aiming at the position of the fire source are taken.

The utility model discloses a network type fireproof monitoring device, comprising a fire detector, a host and a fireproof monitoring board card, the fireproof monitoring board card is provided with a CPU and a backboard, and the backboard is electrically connected with the host; the CPU is electrically connected with a CAN module, a first network module, a data disk and a power conversion module, and the power conversion module is connected with the backboard; the CAN module comprises a first CAN interface, a second CAN interface and a third CAN interface, and the fireproof monitoring board card is in communication connection with the fire detector through the first CAN interface and the second CAN interface to form an annular CAN bus network; a CAN bus redundancy communication mode is adopted between the fireproof monitoring board card and the fire detector, so that when a communication bus is in an open circuit, the fire detection data link is ensured to be normal, and the transmission speed, reliability and stability of fireproof detection data can be effectively improved.

The invention discloses a fire source detection and positioning method. The method comprises the following steps: carrying out smoke temperature and terahertz monitoring on a current environment; judging whether fire source information is met or not, and if not, returning to the previous step to continue to monitor the current environment; if yes, triggering a camera to capture the fire source information; performing motion detection on the snapshot image; carrying out region segmentation on the snapshot image; performing feature detection on the image; further judging whether fire source characteristics are met or not, and if not, returning to the initial step to continuously monitor the current environment; if the fire source characteristics are met, the fire hazard grade is further judged, and corresponding processing is executed. The terahertz imaging detection technology is applied to the low-visibility fire environment, compared with a traditional fire detector, the probability of false detection and missing detection is reduced, and the defect that traditional imaging detection equipment is greatly influenced by smoke particle morphology and particle size distribution changes is overcome.

The invention provides a control method of a new energy vehicle charging and parking area automatic fire extinguishing system, the method is applied to a new energy vehicle parking space automatic fire extinguishing system, and the new energy vehicle parking space automatic fire extinguishing system is provided with a vehicle bottom fire detector and a fire extinguishing module at each parking space; the control method comprises the following steps: acquiring a detection signal acquired by a vehicle bottom fire detector of each parking space in real time; when it is judged that the detection signal is a fire detection signal, determining a parking space where a current fire is located, an alarm grade and a fire extinguishing strategy according to the fire detection signal; according to the alarm grade and the fire extinguishing strategy, linkage alarm is carried out, and the fire detection signal is converted into a corresponding fire extinguishing control signal; and according to the fire extinguishing control signal, controlling the fire extinguishing module of the parking space where the current fire is located to perform automatic zoning fire extinguishing. Precise fire monitoring and zoning fire extinguishing of the new energy vehicle parking space are achieved, the fire extinguishing efficiency and effect are improved, and the property safety of a vehicle owner and public equipment is ensured.

The invention relates to the field of tunnel fire prevention and control, and particularly discloses an intelligent fire extinguishing system and method based on a tunnel flexible partition, the intelligent fire extinguishing system comprises a water distribution device, a smoke fire detector, a temperature sensor, a tunnel fire extinguishing unit and a controller, the water distribution device comprises a water distribution pipe and a water curtain spraying assembly; when the water curtain spraying assembly is started, the spraying water curtain forms a flexible partition, the controller is electrically connected with the water distribution device, the smoke fire detector, the temperature sensor and the tunnel fire extinguishing unit, and the water distribution device and the tunnel fire extinguishing unit are controlled based on information of the smoke fire detector and / or the temperature sensor. According to the invention, the spreading trend of the flame can be pre-judged in advance by monitoring the smoke concentration and temperature, such a pre-judgment mechanism enables fire extinguishing measures to be more prospective, and the efficiency and effectiveness of dealing with fire disasters are improved.

The invention discloses a self-adaptive wide-range adjustment low-emission internal combustion type emptying ignition device and a control strategy. The self-adaptive wide-range adjustment low-emission internal combustion type emptying ignition device comprises an incineration tower barrel, a main combustor, an ignition / fire detector, a main fuel gas process, an ignition gas process, an emergency emptying process, a wind barrier, an electric air door, an inspection manhole, a movable base, an emission monitoring system and an intelligent control system. The internal combustion type emptying ignition device adopts a closed design, so that open fire and black smoke are avoided during combustion; the cylinder body and the base are designed in a split manner, so that the transportation is convenient, and the universality of different working places is realized; the main combustor adopts a double-layer low-nitrogen combustion design, and self-adaptive wide-range adjustment can be realized according to the air release amount; the burner nozzle is provided with the low-nitrogen injection spray pipe, mixed combustion can be promoted, and low-nitrogen and low-carbon emission is achieved. The ground torch meets different requirements of industries such as petroleum drilling, natural gas extraction and chemical engineering, and can completely solve the problems that an existing ground torch technology is low in processing capacity and difficult to adapt to different working conditions, flames are prone to emerging out of a barrel, the combustion efficiency is low, and the environment is polluted and residents are disturbed.

The utility model discloses a data center high-speed airflow environment air-breathing type smoke-sensing fire hazard detector, which relates to the field of smoke-sensing fire hazard detectors and comprises a sampling unit module, a detector module, an airflow adjusting module and a fire extinguishing linkage module. The data acquisition unit is electrically connected with the data processor through a wire, the data acquisition unit and the data processor are electrically connected with the central controller through a wire, and antistatic PVC (polyvinyl chloride) pipelines are adopted, are arranged at the top of the cabinet and under the raised floor and are provided with a plurality of sampling holes; according to the utility model, the performance index of the air-breathing smoke-sensing fire detector in a high-speed airflow environment of a data center is comprehensively improved by optimizing a detection technology, airflow control and an intelligent algorithm, micron-sized particles are captured through the high-efficiency particle air filter, and the concentration is detected through the scattering effect of smoke particles on an LED (Light Emitting Diode).

The invention discloses a system and a method for accurately calibrating the sensitivity of a smoke fire detector, relates to the technical field of detector sensitivity calibration, and solves the problem that the sensitivity of the detector needs to be calibrated by using smog with relatively high concentration in the consistency setting of the sensitivity of the smoke fire detector. And the standard detector is easy to pollute. The method comprises the following steps: starting a detection device, preliminarily setting a target detector, obtaining a calibration moment and a detection value sequence of each standard detector, analyzing equipment based on the detection value sequence, and sending an operation instruction; obtaining a calibration coefficient of each to-be-detected detector based on the operation instruction, and performing consistency processing on each to-be-detected detector based on the calibration coefficient; high-concentration smoke is not used in sensitivity calibration, the pollution speed of a standard detector is reduced, and meanwhile pollution of calibration operation to the atmospheric environment is reduced.

The invention discloses a fire protection method and system for an energy storage container, and the method comprises the steps: inquiring a fire detector in the energy storage container, judging whether a dangerous case occurs in different regions in the energy storage container or not, and transmitting an alarm signal back to a protection control panel when the dangerous case is detected; and continuously judging whether the vehicle is in a controllable dangerous case state, and carrying out alarming, exhausting, closing or fire extinguishing operation based on the current operation mode, the dangerous case occurrence area and the button state. According to the invention, dangerous case states of a conventional area and a battery cluster area in the energy storage box are monitored in a multi-dimensional manner through a plurality of groups of detectors with different functions and different positions, and alarming, exhausting, closing or fire extinguishing operation is carried out based on a current operation mode, a dangerous case generation area and a button state. And switching control of a manual mode and an automatic mode can be carried out through the mode switching button, stable and reliable fire safety protection can be provided for the energy storage container, and the risk of fire occurrence is effectively reduced.

The utility model discloses a fire-fighting Internet of Things intelligent DTU data transmission system. The system comprises a plurality of fire detectors, a plurality of infrared imaging devices, an alarm host, a cloud platform, a terminal device, a DTU, a controller and a fire extinguishing device. The fire detector is electrically connected with an alarm host, the alarm host is connected with the cloud platform through a DTU, and the cloud platform is connected with the terminal devices through wired or wireless signals. The cloud platform is connected with a controller through a wireless signal, the controller is electrically connected with an alarm host, and the alarm host is electrically connected with a fire extinguishing device; the infrared imaging device is electrically connected with the alarm host, and the infrared imaging device is connected with the cloud platform through the DTU. The beneficial effects of the utility model are that the fire hazard detector and the infrared imaging device cooperate with the alarm host to start the fire hazard sound-light alarm unit, and at the same time, through the cloud platform and the terminal device, the alarm condition can be rapidly sent to the terminal; the fire pump is remotely controlled through cooperation of the controller and the alarm host.

1. The name of the design product: fire detector relay. 2. The use of the design product: for realizing the connection and signal relay function of fire alarm system components. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model discloses an electric dressing basket fire-fighting system for a coal mine, which is characterized in that a ceiling of a dressing room is divided into a plurality of protection units, a plurality of liftable dressing baskets and a fire-fighting device are hung in each protection unit, and the dressing baskets in each protection unit are adjacently arranged; the fire-fighting device is hung on the ceiling in the middle of each protection unit, the fire-fighting device comprises a fire detector and an automatic fire extinguisher, a lifting driving device is fixed on the ceiling above each dressing hanging basket, a control host is arranged in the dressing room, and the lifting driving device, the fire detector and the automatic fire extinguisher are all electrically connected with the control host; the ceiling of the changing room is further provided with a flame-retardant top plate, and the bottoms of the multiple changing hanging baskets are matched with the flame-retardant top plate to form a changing room ceiling. A fire is found in time through the fire detector, the control host is linked with the fire detector and the clothes changing hanging basket to enable the clothes changing hanging basket to descend, meanwhile, a fire extinguisher in the protection unit is linked to conduct automatic fire extinguishing, and fire spreading is effectively prevented.

The invention provides a car roof fire blanket which comprises an upper cover, a base, a control panel, a fire blanket body and ejection devices, the base is installed at the top of a car, the fire blanket body is folded in the upper cover, the center of the fire blanket body is fixedly connected with the base, the four corners of the fire blanket body are connected with the ejection devices, and the ejection devices are spring-driven ejection devices. An electric push rod is connected between the base and the upper cover, a fire detector is arranged on the outer side of the upper cover, the fire detector, the control panel and the electric push rod are electrically connected to form a control loop, and a safety unlocking pull rope for triggering the ejection device is connected between the inner upper wall of the upper cover and the ejection device; the fire blanket can be folded and installed at the top of a vehicle through the base, the upper cover and other assemblies, by arranging the ejection device, when the fire detector detects a fire behavior, the fire detector can transmit a signal to the control panel, the control panel triggers the ejection device through the electric push rod to rapidly unfold the fire blanket, and the vehicle and the surrounding area are effectively protected; fire spreading is prevented.

The invention provides an industrial and commercial energy storage cabinet which comprises a cabinet body, a battery cabin and an electrical cabin which are isolated from each other are arranged in the cabinet body, a battery management system with a dynamic impedance detection function is integrated in the energy storage cabinet, and a liquid cooling heat management unit, a fire-fighting host and a plurality of groups of battery packs arranged at intervals are sequentially arranged in the battery cabin from bottom to top. Each group of battery packs is provided with a sound early warning device, a battery management system with a dynamic impedance detection function is integrated on each battery pack, and the real-time detection of the dynamic impedance of the battery is realized by utilizing a high-frequency alternating current signal injection and dynamic impedance spectroscopy analysis technology; a sound early warning device which is arranged along with a battery pack array is combined to capture mechanical characteristic sound in the initial stage of thermal runaway, and a fire-fighting detector which is arranged in a battery cabinet and used for detecting hydrogen, carbon monoxide, volatile organic compounds, smoke concentration and temperature is arranged, so that a multi-dimensional monitoring network of'dynamic impedance-characteristic sound-environmental parameters' is realized.

The utility model discloses a cable bridge structure which comprises a bridge body, an installation frame is installed on the outer side of the bridge body, lock openings are formed in the front face and the back face of the bridge body, a butt joint rod is integrally connected to one side of the bridge body, a lock catch is fixedly connected to the front face of the butt joint rod, and a bridge cover is installed on the top of the bridge body. A fixing frame is installed on the top of the bridge cover, a fire extinguishing tank is installed on one side of the fixing frame in a penetrating mode, an exhaust pipe is fixedly connected to the output end of the fire extinguishing tank, an electromagnetic valve is fixedly connected to one end of the exhaust pipe, a gas conveying pipe is fixedly connected to one side of the electromagnetic valve, and a power line is electrically connected to the output end of the electromagnetic valve. According to the cable bridge, a worker can conveniently mount and dismount the cable bridge through the lock opening, the butt joint rod and the lock catch, the bridge can automatically extinguish fire at the initial stage of the fire and prevent fire spreading through the fire extinguishing tank, the exhaust pipe, the electromagnetic valve and the fire detector, and therefore the safety of the bridge is improved.

The application discloses a system and method for accurately calibrating sensitivity of a smoke fire detector, relates to the technical field of detector sensitivity calibration, and solves the technical problem that a high-concentration smoke needs to be used to calibrate the sensitivity of the detector, so that the standard detector is easily polluted during the consistency setting of the sensitivity of the smoke fire detector; the application starts the detection device, preliminarily sets the target detector, obtains the calibration time and the detection value sequence of each standard detector, analyzes the equipment based on the detection value sequence, and sends an operation instruction; the calibration coefficient of each detector to be measured is obtained based on the operation instruction, and the consistency of each detector to be measured is processed based on the calibration coefficient; in the sensitivity calibration, the application does not use high-concentration smoke, reduces the pollution speed of the standard detector, and also reduces the pollution of the atmospheric environment caused by the calibration operation.

The utility model discloses a quick start detector for fire fighting, which belongs to the field of fire fighting and comprises a gas storage device, a gas inlet is arranged on the upper portion of the gas storage device, a gas outlet is arranged on the lower portion of the gas storage device, a hollow base is further connected in the lower portion of the gas storage device, and a plurality of flame detection windows are arranged on the side wall of the hollow base. The lower part of a gas outlet of the gas storage device and the upper part of the hollow base are coaxially provided with a temperature control release device, the lower part of the hollow base is internally connected with a locking nut, a temperature sensing glass column is arranged between the temperature control release device and the locking nut, and the side wall of the gas storage device is provided with a pressure release outlet. The fire-fighting quick-start detector replaces a traditional temperature detection continuous pressing structure, the quick-start detector is directly installed in a temperature detection area, when a fire alarm exists, a valve on a fire extinguishing agent bottle is quickly and stably started, safe release of chemicals in the fire extinguishing agent bottle is guaranteed, and the fire-fighting quick-start detector has great market value.

The utility model discloses a mounting structure of a gas fire hazard monitoring detector, which is applied to the field of fire hazard monitoring, and is characterized in that a clamping rod is separated from a clamping hole by moving a pull block, a fixed rod is separated from a fixed hole under the action of a second spring, a fire hazard detector body is taken down, and a mounting rod is mounted in the mounting rod when the fire hazard detector body is mounted. A fixing rod is moved to be clamped with a fixing hole, and a clamping rod is clamped with a clamping hole under the action of a first spring to fix the clamping hole, so that the purpose of convenient assembly and disassembly is achieved, the workload is reduced, and the working efficiency is improved; the first bevel gear rotates to enable the second bevel gear to drive the screw rod to rotate, the screw rod rotates to drive the sliding block to move, the sliding block moves to drive the mounting blocks to move, and the distance between the mounting blocks is changed, so that the purpose of being suitable for detectors of different sizes is achieved, the use cost is reduced, and the practicability and applicability are improved.

The utility model relates to the technical field of alarms, and discloses a fire alarm, which comprises a main body assembly. The main body assembly comprises a mounting seat and a connecting seat, the alarm body is arranged on the connecting seat; a fixing assembly is arranged on the connecting seat; the fixing assembly comprises a ring body which is in threaded connection with the connecting seat; the groove body is formed in the connecting seat; the clamping block is connected into the groove body in a sliding manner; the spring is arranged in the groove body; the positioning blocks are inserted into the positioning holes, the ring body is rotated, the clamping blocks are inserted into the clamping grooves, the positioning blocks are fixed, installation of the alarm body is completed, on the contrary, disassembly of the fire alarm is achieved, and the fire alarm function is achieved through the fire detector, the fire alarm controller and the alarm device in the alarm body. The fire alarm has the advantages that the fire alarm can be conveniently and quickly mounted, dismounted and loosened, and the problem that an existing fire alarm does not have a good quick dismounting function is solved.

1. The name of the design product: image type fire detector (SKU4). 2. The use of the design product: the design product is used for fire detector. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to a fire alarm excitation device, fire detectors and a fire-fighting linkage test system.The fire alarm excitation device is arranged near the multiple fire detectors and comprises a communication module, a microcontroller and an alarm excitation module; the communication module is connected with the alarm excitation module through the microcontroller and used for receiving an excitation instruction sent by an operation terminal and transmitting the excitation instruction to the microcontroller, and the microcontroller controls the alarm excitation module to make an excitation action so that the fire detectors in the induction range can induce the excitation action and generate alarm information. The fire alarm excitation device comprises the communication module, the microcontroller and the alarm excitation module, and through remote control and automatic operation, the problems of a traditional fire detector alarm test mode in a special environment of a nuclear power plant, such as limitation of a high-radiation area, a high-altitude operation environment and a high-temperature area on manual operation, are effectively solved; and the problems of personal safety threats, operation risks and the like caused thereby are solved.

The utility model discloses an image type fire detector which comprises two split shells, the two split shells are buckled with each other, the side ends of the two split shells are connected with a base through screws, a flame detection device is assembled on the inner wall of one of the split shells, a flame recognition camera is mainly used for recognizing the appearance of flame, and the flame detection device is used for detecting the appearance of the flame. On-site flame appearance information is collected, analyzed and processed through a flame image processing technology, on-site environment is learned through a monitoring site, collected data and a complete mathematical model are subjected to matching operation through learning, an optimal data scheme is selected to check various interference sources on site, the alarm accuracy is ensured, and the alarm efficiency is improved. When the data acquired by the two groups of cameras are simultaneously compared and calculated through the processor and meet the condition, the alarm action can be performed, so that the alarm accuracy is ensured, and the device has the characteristic of high response speed.