177 results about "Automatic fire suppression" patented technology

The invention discloses an intelligent fire-fighting inspection system and method for a main transformer of a transformer substation, and the method comprises the steps: collecting fire-fighting inspection related data of an automatic fire extinguishing system, and uploading the data to a cloud for storage; classifying the collected fire-fighting inspection related data of the automatic fire extinguishing system according to different time sequence change types; establishing a corresponding neural network prediction model according to fire-fighting inspection related data of the automatic fire extinguishing system and different classification results of time sequence change types; inputting the classified fire-fighting inspection related data of the automatic fire extinguishing system into a corresponding neural network prediction model, and calculating to obtain a fire-fighting inspection prediction result of the automatic fire extinguishing system; and comparing the fire-fighting inspection prediction result of the automatic fire extinguishing system with a preset fire-fighting inspection data threshold value, and judging whether the fire-fighting inspection prediction result of the automatic fire extinguishing system has a fault risk or not. The working state of the fire extinguishing system is intelligently predicted, and the automatic fire extinguishing system of the transformer substation main transformer is intelligently inspected.

In an open-loop heat removal system for a building such as a data center or a home, cool air is supplied to the building by a chilling unit and hot air is expelled from the building without recycling, recirculating, or re-cooling the hot air. For fire suppression, the system receives temperature reading(s) from temperature sensor(s) and determines whether any temperature reading reaches or exceeds a temperature that indicates presence of a fire. If so, a louver positioned over an inlet module is automatically or programmatically closed, shutting off air supply to the building. The system determines whether the building is under a negative pressure internally. If not, an exhaust fan at the outlet of the building is turned on to create a negative pressure internally. The system determines whether an oxygen level of the building indicates that the fire has been contained. If not, a sprinkler system is activated.

The invention discloses a simple spraying automatic fire extinguishing device, and relates to the field of fire fighting equipment, the simple spraying automatic fire extinguishing device comprises a fixed shell, a fire detection structure is arranged in the fixed shell, a booster pump is arranged in the fixed shell and is connected with an external water source, a conveying control valve is connected with a water outlet of the booster pump, and a water spraying assembly is connected with the conveying control valve; the system further comprises a pressure stabilizing structure, the pressure stabilizing structure comprises a pressure stabilizing tank, the pressure stabilizing tank is arranged between an external water source and the booster pump, the flexible pressure stabilizing part is arranged in the pressure stabilizing tank and divides the pressure stabilizing tank into a water storage cavity and a pressure stabilizing cavity, and the water storage cavity is arranged at the bottom of the pressure stabilizing tank and connected with the external water source and the booster pump. The pressure stabilizing cavity is formed in the top of the pressure stabilizing tank; the simple spraying automatic fire extinguishing device can realize stable water pressure in the conveying process of fire-fighting water from an external water source to the water spraying assembly, so that the water spraying assembly can form effective fire extinguishing water mist or water flow, and the fire extinguishing effect is ensured.

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 utility model relates to the technical field of intelligent mechanization and intelligent fire fighting, and discloses a multifunctional telescopic automatic fire extinguishing device which comprises a medium storage container, a lifting adjusting mechanism and a fire extinguishing execution mechanism, a support is fixedly connected to the bottom of the medium storage container, electric telescopic rods are fixedly connected to the four corners of the bottom of the support, electric universal wheel flat plate bases are fixedly connected to the driving ends of the electric telescopic rods, an adjusting mechanism is fixedly connected to the bottom of the support, and a hollow electric rotating connector is fixedly connected to the top of the medium storage container. The top of the hollow electric rotary joint is fixedly connected with a three-way solenoid valve, the top of the solenoid valve is provided with an adjusting mechanism, and the top of the adjusting mechanism is provided with a telescopic spray gun. According to the device, by pressing a rotating clamping plate, the rotating clamping plate can extrude a first telescopic rod, a spring outside the first telescopic rod deforms, then the rotating clamping plate can drive a clamping rod to be separated from a clamping groove outside a connecting block, and then a suction cup can be adjusted by pulling the clamping groove; according to different installation interfaces, the rapid splicing base and the limiting device can be matched.

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.

An intelligent fire detection and automatic fire extinguishing device in an electric bicycle parking and charging place comprises three sets of management and fire extinguishing systems, firstly, a smoke sensor senses flames, and the flames are analyzed by an industrial computer and then are controlled to start a water pump; secondly, after the camera shoots flames, data are transmitted to the cloud platform, and people are informed of fire fighting; and thirdly, a mercury type automatic spray thrower is installed to automatically extinguish fire after sensing the temperature. The spraying system adopts double-way water supply of a fire-fighting pipe system and a water tank to ensure the supply of a water source, and ensures that fire extinguishing is not influenced under the condition that the fire-fighting pipe system breaks down. The intelligent fire detection and automatic fire extinguishing device is diversified in use and fire extinguishing modes, mechanical control and manual control are simultaneously carried out, double water sources are adopted for water supply, the fire extinguishing probability is greatly improved, and the device is suitable for wide application and popularization.

The invention discloses an intelligent fire monitoring and automatic fire extinguishing method and system in a highway steel structure canopy, and the method comprises the steps: obtaining multi-source sensing data of a fire scene through a dual-spectrum imaging device, and the multi-source sensing data comprises a video stream and a temperature distribution matrix; inputting a fire source position, a heat release rate, a wind field condition and a structure configuration into a fire evolution prediction model, dynamically simulating a fire behavior extension path and a heat intensity change, and calculating a fire source heat release intensity and a high-temperature spreading trend in combination with a temperature distribution matrix; and according to the fire source heat release intensity, the structural damage degree, the personnel distribution and the material value, a comprehensive priority ranking result is calculated, a fire extinguishing and rescue task scheduling strategy is generated, and fire extinguishing and rescue are performed.

The utility model relates to the technical field of mine belt conveyor protection, especially to a mine belt conveyor fire early warning monitoring system, it includes smoke transducer, the smoke transducer passes through installation mechanism and is installed on the belt conveyor, still install the PLC controller on the installation mechanism, the PLC controller is connected with the drive motor of belt conveyor and smoke transducer signal, still install the water spray pipe on the installation mechanism, the PLC controller is connected with the water pump signal of water spray pipe end portion. The present application has reduced the loss when the belt is on fire, reduced the fire spread and realized the effect of automatic fire extinguishing.

The invention relates to the technical field of charging pile fire extinguishing, and discloses a miniature automatic fire extinguishing device suitable for an electric vehicle charging pile, the miniature automatic fire extinguishing device comprises two stand columns which are symmetrically distributed left and right, a moving assembly is arranged between the two stand columns, and a lubricating assembly located on the outer side of the moving assembly is arranged at the top of the moving assembly; an adjusting mechanism is arranged at the bottom of the moving assembly, an outer box extending to the bottom of the adjusting mechanism is arranged on the inner side of the adjusting mechanism, a fixing mechanism extending to the bottom of the outer box is arranged on the inner side of the outer box, and a fire extinguishing mechanism attached to the fixing mechanism is arranged on the inner side of the outer box; according to the miniature automatic fire extinguishing device suitable for the electric vehicle charging pile, the purpose of adjusting the fire extinguishing angle is achieved through the arrangement of the adjusting mechanism, and the purpose of conveniently replacing fire extinguishing equipment is achieved through the arrangement of the fixing mechanism and the fire extinguishing mechanism.

The invention discloses a double-detector linkage automatic fire extinguishing control method and system for an outdoor charging place, and belongs to the technical field of fire safety. The system comprises a water source supply unit, a detection alarm unit, a control execution unit and a fire extinguishing spraying unit. A dual detection mechanism of the temperature sensing detector and the flame detector is adopted, only when the two detectors give an alarm at the same time, the input and output module judges that a fire behavior is real, and signals are synchronously distributed to the automatic control switch, the fire control room and the charging control cabinet. The system provides an automatic, remote and manual three-start mode to ensure the reliability; the charging control cabinet automatically cuts off a power supply to prevent electric shock after receiving the signal; the anti-freezing design that an underground cement pool is combined with an overflow valve emptying pipeline is adopted, and normal operation can be achieved in the environment of minus 35 DEG C. According to the invention, the risk of false alarm of a single detector is thoroughly eliminated, the response time does not exceed 30 seconds, and the technical problems of low fire detection accuracy, poor winter adaptability and lack of power linkage protection in an outdoor charging place are effectively solved.

An automatic fire extinguisher specially designed for electric bicycles, comprising a fire extinguisher bottle, and a fire extinguishing agent in the fire extinguisher bottle; the fire extinguishing agent adopts ammonium phosphate dry powder, and a sealing plate is fixedly arranged at a nozzle opening of the fire extinguisher bottle; the sealing plate melts after being heated to a set temperature, and the fire extinguishing agent is sprayed out from the fire extinguisher bottle through the nozzle. The invention has the following advantages: it has a small size and can be carried on an electric bicycle; in the event of a fire, it can automatically activate and extinguish the fire, ensuring the safety of people and property; its structure is simple, facilitating mass production and manufacturing with lower production costs, making it suitable for widespread application and promotion.

The utility model relates to new energy automobile charging system charging alarm and automatic fire extinguishing device, including the charging shed, the charging shed is provided with respectively: spray fire extinguishing system, smoke alarm, passive infrared image sensor, charger and control module, due to the setting of spray fire extinguishing system, when the fire occurs in the charging shed, through the smoke alarm and passive infrared image sensor detect corresponding smoke concentration parameter and temperature change, can send the instruction to spray fire extinguishing system through control module, makes the pump body work, the water in solution tank is guided to the spray head, carries out the fire extinguishing, can be used in industrial production, has very strong practicality.

The utility model relates to the technical field of battery fireproof protection, and discloses a battery management device with an automatic fire extinguishing function, which comprises a battery main body and a battery protection shell, the battery main body is fixedly arranged on the inner side of the battery protection shell, and ventilation and heat dissipation structures are arranged on both sides of the battery protection shell. According to the fire extinguishing device, the ventilation and heat dissipation structures are arranged on the two sides of the battery protection shell for circulating ventilation, when a fire disaster happens, the electrified electromagnet can stop running and move downwards under the gravity and the magnetic attraction effect of the fire extinguishing magnetic attraction plate, the soft material blocking plate is driven to be separated from the fire extinguishing bag containing box, and fire extinguishing dry powder in the fire extinguishing bag containing box extinguishes the fire. And meanwhile, a soft material blocking plate is pulled to seal and shield the ventilation and heat dissipation structure, so that the battery protection shell forms a closed space, the automatic fire extinguishing effect is good, and the device has the fire monitoring and automatic fire extinguishing capacity and is high in fireproof safety and excellent in self-heat dissipation capacity.

The automatic fire extinguishing equipment comprises a protective shell, a lithium battery body is connected to the interior of the protective shell, a heat dissipation sealing mechanism is arranged on the outer side of the protective shell, and a partition fire extinguishing mechanism is arranged on the inner side of the protective shell; the heat dissipation sealing mechanism is arranged on the outer side of the protective shell, and the connecting piece, the multiple sealing blades, the first supporting arm, the second supporting arm, the extending plate, the transmission piece and the adjusting rod are arranged in a series linkage mode, so that the first motor can synchronously adjust the opening or closing state of the multiple sealing blades when being controlled and driven; in the normal working process of the lithium battery body, efficient heat dissipation is achieved in cooperation with the ventilation pipe and the heat dissipation fan, the ventilation channel can be rapidly closed when temperature rises abnormally, external air is prevented from entering the protection shell, and the combustion condition is weakened from the environment level.

The application discloses a subway isolating switch cabinet with a self-checking fire extinguishing function, which comprises a cabinet body and a cabinet door hinged to the cabinet body; a fire detection device is vertically arranged on the inner side of a side sealing plate of the cabinet body; and a fire extinguishing unit is arranged on the top of the cabinet body; the fire extinguishing unit comprises a sealed cover fixed to the top of the cabinet body, a control device arranged on the upper part of the sealed cover and a reaction device arranged on the lower part of the sealed cover; the reaction device is communicated with the inner cavity of the cabinet body through an exhaust pipe; the fire detection device is connected with the control device, and the control device is connected with the reaction device; the fire detection device drives the control device to remove the isolation state of the reaction raw materials in the reaction device, so that the reaction raw materials are mixed and chemically reacted to generate fire-extinguishing gas; and the fire-extinguishing gas is transmitted to the inner cavity of the cabinet body through the exhaust pipe to isolate oxygen and extinguish the fire. The subway isolating switch cabinet has the function of automatically extinguishing fire, thereby avoiding the spread of fire, the burning of adjacent power supply equipment and facilities, ensuring the safety of line power supply and avoiding greater property losses.

1. Name of the product in this design: Fire extinguishing device housing. 2. Purpose of this design: Automatic fire extinguishing device for cable trenches. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application relates to an electrical cabinet monitoring and fire extinguishing device, which comprises an infrared surface temperature sensor, an ultraviolet light sensor, an infrared light sensor, a fire extinguishing device and a controller. The infrared surface temperature sensor is used for real-time scanning of a cabinet internal surface temperature field, and the surface area monitoring replaces a point probe, so that the coverage capacity and early warning accuracy are improved, and the blind area and the missed detection probability are reduced. When the temperature of a certain area exceeds a preset temperature threshold, the controller determines that an abnormality occurs, at this time, the ultraviolet light sensor and the infrared light sensor are used for collecting ultraviolet band spectra and infrared band spectra in the electrical cabinet, the characteristic spectra of a real flame can be recognized, false positives caused by non-fire factors can be avoided, and the accurate identification of the fire is enhanced. When a fire source appears in the electrical cabinet, the controller can complete accurate decision-making without human intervention, and is linked with the automatic fire extinguishing device, so that intervention can be completed in the early stage of the fire, and the accident loss and the diffusion risk are significantly reduced.

The invention discloses a mountain forest global intelligent fire monitoring and automatic disposal system. The system comprises a rainwater collection and water polo fire extinguishing unit, a wind-solar complementary power supply and robot dog battery replacement unit, a multi-sensor monitoring unit, an unmanned aerial vehicle disposal unit and an intelligent control center. The system is based on theoretical design and engineering planning, rainwater is collected and filled into a specially-made rubber water ball, and accurate throwing fire extinguishing of the unmanned aerial vehicle is achieved; wind-solar power generation and robot dog autonomous power conversion design is adopted, so that the power supply continuity of the system is ensured; through the multi-level multi-sensor fusion design, low false alarm and rapid identification of the fire behavior are realized; and a three-level fire disposal strategy is designed, and automatic disposal and manual remote takeover are supported. The water storage tank is of a heat preservation heating structure, and annual stable operation is achieved. The system is suitable for fire prevention of large-area mountain forests, realizes water source self-sufficiency, autonomous power supply, intelligent monitoring, automatic fire extinguishing and autonomous operation and maintenance in principle, and remarkably improves the early-stage handling capacity of mountain forest fires.

The utility model relates to the technical field of well drilling, in particular to fire-fighting security equipment for a mud tank area, which comprises a cabinet, and the cabinet is at least provided with a fire extinguishing agent storage bin, a fire extinguishing agent injection driving mechanism, an alarm linkage mechanism, a fire behavior detection mechanism and a main control mechanism. The main control mechanism is electrically connected with the fire extinguishing agent injection driving mechanism, the alarm linkage mechanism and the fire behavior detection mechanism so as to coordinate actions of all the mechanisms. According to the fire-fighting security equipment for the mud tank field, all the mechanisms are integrated in the cabinet, so that the overall structure is compact, fire extinguishing agents made of needed materials can be selected in the fire extinguishing agent storage bin according to environmental conditions and the like, the fire behavior detection mechanism can detect fire behaviors in real time, and the fire extinguishing agent spraying driving mechanism is started to automatically extinguish fire at the initial stage of the fire hazards; the mud tank alarm device is suitable for mud tank areas in remote areas, and is particularly suitable for night areas or unattended areas.

The utility model discloses a kind of intelligent processing equipment with fire extinguishing function, including equipment shell and temperature-sensitive soft magnet, the water tank is fixedly connected on the side of equipment shell upper surface.The intelligent processing equipment with fire extinguishing function is set through water tank, permanent magnet and temperature-sensitive soft magnet, pull ring drives pole to overturn, to drive valve rotation and close, permanent magnet and temperature-sensitive soft magnet mutually adsorb, at this time tension spring is stretched deformation, after water is added in water tank, processing main body in equipment shell is operated to workpiece, once accidental fire appears inside equipment shell, the high temperature of combustion can increase temperature-sensitive soft magnet surface temperature, along with the increase of temperature until temperature-sensitive soft magnet loses magnetism, make permanent magnet separate after springback, drive ejector rod to make pull ring to drive pole, to make the valve of duct rotation, make the water in water tank inside to leave to fire, after first sealing cover is opened, the fine sand of sand storage tank flows down, with automatic fire extinguishing function.

The utility model discloses an automatic fire extinguishing system for an engine compartment, which relates to the field of fire fighting and comprises a medicament bottle, the top of the medicament bottle is communicated with a multifunctional valve head, and a medicament spraying part on the side wall of the multifunctional valve head is communicated with a plurality of atomizing nozzles through medicament pipelines. A temperature detection puncture part on the side wall of the multifunctional valve head is connected to an outlet part of the aggregation one-way valve through a power transmission pipeline, and a plurality of inlet parts of the aggregation one-way valve are further connected with a plurality of automatic temperature detection starting devices and a manual starting device through power transmission pipelines. According to the automatic fire extinguishing system for the engine bin, the power transmission pipeline is free of electricity and pressure, installation is convenient, the temperature detection speed is higher, gas filling equipment is not needed in the installation process, the maintenance cost is reduced, and gas filling is not needed when the power transmission pipeline is installed again after being disassembled and assembled.

The present invention relates to an automatic fire extinguishing device that discharges a fire extinguishing agent using a starting device and an operating gas, and more specifically, to an automatic fire extinguishing device that discharges a fire extinguishing agent using a starting device and an operating gas, which can discharge a large volume of fire extinguishing agent with enhanced operational stability by improving sensitivity and responsiveness to temperature or heat in the event of a fire. The present invention provides an automatic fire extinguishing device that discharges a fire extinguishing agent using an operating gas, characterized by comprising: a driving valve (400) that drives a main body opening / closing valve (500) that opens / closes a main body tank containing a fire extinguishing agent; and a main body opening / closing valve (500) that is connected to the driving valve (400) and the main body tank (600), closes the main body tank (600) in normal circumstances, and opens the main body tank (600) by operating the driving valve (400) to guide the fire extinguishing agent to be discharged to the outside.

The invention provides an electrical fire early-stage detection and automatic fire extinguishing integrated device, and relates to the technical field of electrical fire monitoring systems, the electrical fire early-stage detection and automatic fire extinguishing integrated device comprises a power distribution cabinet, a sliding block is arranged on the inner bottom surface of the power distribution cabinet, a square frame is fixedly mounted at the top of the sliding block, a sliding plate is arranged in the square frame, and a temperature sensor and a visual sensor are arranged above the sliding plate; a base and a first driving assembly are fixedly installed at the bottom of the power distribution cabinet, the first driving assembly is located on the sliding block and used for driving the sliding block to move, and the second driving assembly is located on the square frame and used for driving the sliding plate to move. The device can accurately detect fire signals with open fire and smoke in sudden temperature rise, effectively avoids the problem of misjudgment or missed judgment of a single detection mode, moves a fire prevention and control gateway forward to an extremely early stage, overcomes the defects of limited coverage range and insufficient fire extinguishing pertinence of a traditional fixed fire extinguishing device, and improves the fire extinguishing efficiency.

The invention discloses an automatic fire extinguishing system for an offshore wind power system, and belongs to the technical field of offshore fire fighting. The system comprises a high-pressure water mist fire extinguishing unit, a pressure reducing device and a turbofan cannon fire extinguishing unit which are sequentially connected and are all connected with a control unit. The turbofan cannon fire extinguishing unit comprises a plurality of turbofan cannon bodies, the turbofan cannon bodies are arranged on the turret, and the orientation of the turbofan cannon bodies is adjusted through the control unit; partition valve box units are arranged between the turbofan cannons. Fire fighting water passes through an outlet of a high-pressure water mist pump set in the high-pressure water mist fire extinguishing unit, is decompressed by the pressure reducing device, reaches the partition valve box unit and enters a turbofan monitor for fire extinguishing. The control method comprises automatic control, manual control, mechanical emergency control and remote start control. According to the invention, through the application of optimization design and advanced technology, the fire extinguishing efficiency and safety in complex environments such as an offshore booster station are obviously improved, and the maintenance cost and the use risk are reduced.

The utility model discloses an automatic fire extinguishing device for a cable trench, which comprises a shell, the front end of the shell is provided with a hemispherical flow guide cover aligned with flame, the flow guide cover is provided with a plurality of first gas spraying holes capable of spraying fire extinguishing gas in a conical shape, and the rear end of the shell is provided with a detachable rear cover. A first gasket and a second gasket are arranged on the wall of an inner cavity of the shell, a plurality of second air spraying holes are formed in the second gasket, and the inner cavity of the shell is divided into a battery bin layer, a medicament layer and a coolant layer which are sequentially distributed from back to front by the first gasket and the second gasket. The automatic fire extinguishing device for the cable trench is wide in sprayed gas coverage range and free of fire extinguishing gas residues.

The application discloses an industrial furnace coal gas preheater fault processing system, a flue of an industrial furnace is connected with a hearth at one end and a chimney at the other end, a coal gas preheater is installed in the flue, temperature measuring points are arranged in front of and behind the coal gas preheater in the flue, and temperature measuring equipment is arranged in the front temperature measuring point and the rear temperature measuring point. When the coal gas preheater leaks and ignites, the application can timely send an early warning, automatically extinguish the fire, protect with nitrogen, control the temperature in front of the flue preheater below the coal gas ignition point, continue to maintain production, win time for production plan adjustment, and can plan to shut down and overhaul and process. The technology can directly stop the furnace program operation after extinguishing the fire, is safer and more effective than the previous operation of replacing the fire with nitrogen, and reduces labor intensity.

The utility model relates to fire extinguishing fire fighting technical field, concretely is a kind of light touch automatic fire extinguishing fire fighting equipment, including fire extinguishing adjustment main part, detection alarm main body and fixed mounting support frame, fixed mounting support frame is fixedly connected in the upper end of detection alarm main body, fire extinguishing adjustment main part is set in the bottom end of detection alarm main body, fire extinguishing adjustment main part includes fire extinguishing part, second electric push rod and limit installation rotating stand, fire extinguishing part is provided with three, three fire extinguishing parts are evenly distributed and are slidably connected on limit installation rotating stand, second electric push rod is provided with three. The utility model can realize the scanning of no dead angle by the detection alarm main body set, and through the operation use of the multiple sensors set cooperatively, the position of fire can be accurately judged, misjudgment is not prone, and there is no dead angle in the process of detection use.

The utility model relates to a fire extinguishing device used in a cabinet, which comprises an electric fire extinguisher as well as a control unit, a smoke detector, a temperature sensor and a gas detector which are electrically connected together, and the electric fire extinguisher comprises a fire extinguisher shell, a fire extinguisher starting control line and a nozzle arranged on the fire extinguisher shell, the fire extinguisher strength control line is connected with the control unit, the fire extinguisher shell is a cuboid, the nozzle is arranged on one side wall of the fire extinguisher outer pit in the length direction, a first connecting lug is arranged on the fire extinguisher side wall opposite to the side wall, provided with the nozzle, of the fire extinguisher shell, and a first connecting lug bolt hole is formed in the first connecting lug. A second connecting lug is arranged on the side wall, adjacent to the side wall, provided with the nozzle, of the fire extinguisher shell, and a second connecting lug bolt hole is formed in the second connecting lug. The automatic fire extinguisher has the advantage that the automatic fire extinguisher can be conveniently installed in the cabinet body for automatic fire extinguishing, and the problem that an existing fire extinguisher cannot be conveniently installed in the cabinet body for automatic fire extinguishing is solved.