67results about How to "Improve fire extinguishing efficiency" patented technology

This utility model discloses a tunnel fire-fighting foam liquid filling system, belonging to the field of fire-fighting equipment technology. It includes several fire boxes, a foam liquid filling vehicle, and a monitoring center. Both the fire boxes and the foam liquid filling vehicle are networked with the monitoring center to achieve data exchange. Specifically, each fire box contains a foam liquid storage tank and a first control device. The foam liquid storage tank is equipped with a first liquid level sensor, a solenoid valve, a variable frequency delivery pump, and a first flow meter. A flow regulating valve and a second flow meter are installed on the pressure water pipe. All components are connected to the first control device. The foam liquid filling vehicle contains a foam liquid storage tank, a variable frequency high-pressure pump, a battery, a third flow meter, and a second control device. Both the first and second control devices are connected to the monitoring center. This utility model provides a highly efficient, intelligent, and easy-to-maintain tunnel fire-fighting foam liquid filling system.

The utility model belongs to fire extinguishing device technical field, specifically is a kind of helicopter external fire extinguishing device, including bucket main part;The upper portion of bucket main part is provided with annular support plate, annular support plate is provided with air pump, the bottom of bucket main part is hingedly connected with barrel bottom cover, the lower portion of bucket main part is provided with drainage magnetic valve, the inboard of bucket main part is provided with lining support, lining support is provided with mixing mechanism, multiple lining supports are vertically and uniformly provided with reinforcing ring stand, mixing mechanism includes the air pipe support setting in annular support plate, air pipe support includes multiple annular air pipes vertically and uniformly arranged, multiple air mixing elements are uniformly provided on annular air pipe, one group of through pipes is respectively arranged between multiple annular air pipes, air pump is provided on annular support plate, connecting pipe is provided on air pump, the other end of connecting pipe is provided with arc shunt pipe, the lower end of arc shunt pipe is connected with the uppermost annular air pipe, it can mix uniformly fire extinguishing agent and liquid in the bucket.

This utility model discloses an intelligent fire extinguishing system for switchgear, including a switchgear body, a drive chamber at the upper end of the switchgear body, a fire extinguishing chamber at the rear end of the switchgear body, and a fire extinguishing mechanism. The fire extinguishing mechanism includes a telescopic column, a fire extinguishing pipe, nozzles, a rotating drum, and a corrugated pipe. The fixed end of the telescopic column is fixedly connected to the right end of the top wall of the switchgear body, and the telescopic end of the telescopic column is fixedly connected to the right end of the upper surface of the fire extinguishing pipe. The fire extinguishing pipe has evenly distributed nozzles inside. The rotating drum is rotatably connected to the rear end of the switchgear body, and the front end of the rotating drum is connected to the left end of the fire extinguishing pipe through a corrugated pipe. A controller is provided at the front end of the drive chamber, and the input end of the controller is electrically connected to an external power source. This intelligent fire extinguishing system for switchgear can achieve precise fire extinguishing of the fire area, effectively improving the fire extinguishing efficiency of the intelligent fire extinguishing system for switchgear.

The utility model provides a foaming fire extinguishing device, which belongs to the technical field of fire extinguishing devices, and comprises a main pipe and a foaming stirring rod arranged on the main pipe, one end of the main pipe is provided with an inlet, the other end of the main pipe is provided with two outlets, each outlet is provided with a quick connector, and the inner wall of the main pipe is respectively provided with a first fixing frame; the air pipe capable of adjusting the air flow is matched with the foaming stirring blade rod in the main pipe, so that the foaming effect can be effectively improved, the air inlet amount of an air path can be controlled to achieve different foaming effects according to specific use conditions, various forms of dry foam and wet foam can be realized, more changeable fire extinguishing scenes can be dealt with, and when a fire disaster occurs, the fire extinguishing effect can be improved. And meanwhile, the assembly capable of locking and unlocking the foaming stirring rod can select whether to rotate the foaming stirring rod or not, so that the overall water content of subsequent foam is changed, the dry and wet state of the foam is further adjusted, and the selection flexibility is improved.

This invention belongs to the field of fire extinguishing materials and their preparation technology, and provides a fire extinguishing microcapsule and its microfluidic controllable preparation method. The preparation method is characterized by the following steps: (1) preparing fluids of each phase, (2) preparing a dual emulsion using a microfluidic device, (3) collecting and sealing the dual emulsion in a collection container, controlling the axis of the collection container to be horizontal, and controlling the collection container to rotate around its axis for 1 to 15 minutes, applying light to solidify the outer shell of the dual emulsion droplets while maintaining the rotation of the collection container, cleaning, and drying to obtain the final product. The fire extinguishing microcapsule prepared by this method consists of an outer shell and a liquid fluorine-containing fire extinguishing agent encapsulated within the outer shell. The outer shell of the fire extinguishing microcapsule has a uniform thickness, and the eccentricity between the outer shell and the core is less than 0.1. The method of this invention can achieve precise customization of fire extinguishing microcapsules according to the differentiated fire characteristics of different application scenarios, and can improve the concentricity between the core and the outer shell of existing fire extinguishing microcapsules.

This utility model discloses a fire sprinkler head, including a mounting base with a central opening, a threaded mounting head at the top for connecting to a fire pipeline, and a vertically mounted thermosensitive glass tube at the bottom, the top of which abuts against a rubber plug inside the mounting base. A protective sleeve surrounds the thermosensitive glass tube, the top of which is fixed to the bottom of the mounting base, and multiple water outlets are evenly distributed at the bottom. A heat-conducting metal rod is fixed at the bottom, its top abutting against the thermosensitive glass tube for sensing external temperature. The top of the heat-conducting metal rod has a limiting groove adapted to the bottom of the thermosensitive glass tube. The bottom of the protective sleeve is arc-shaped, with the water outlets evenly arranged and spreading out along the arc surface to optimize the water spray effect. A filter screen is horizontally mounted inside the protective sleeve to intercept debris after the thermosensitive glass tube breaks, preventing blockage of the water outlets. This sprinkler head protects the thermosensitive glass tube during daily use and can quickly break and spray water to extinguish fires, improving fire extinguishing efficiency and possessing high practical value.

This utility model discloses an inspection robot suitable for centralized parking areas of electric bicycles, specifically relating to the field of electric bicycle inspection equipment. It includes a base plate, with a fence fixedly connected to the upper part of the base plate. A bracket is fixedly connected to the upper side of the fence, and three electric slide rails are connected to the lower side of the brackets. The inspection robot is slidably connected to the lower side of the middle electric slide rail, and fire-fighting components are slidably connected to the lower sides of the two side electric slide rails. This utility model's inspection robot, suitable for centralized parking areas of electric bicycles, can move back and forth on the upper side of the bicycle shed to monitor for illegal charging and fires, replacing manual inspections and achieving 24 / 7 intelligent monitoring. The designed fire-fighting components can provide early warning when the inspection robot detects hidden hazards such as battery overheating or aging wiring, and move a fire extinguisher to the fire point to extinguish it, preventing a small fire from escalating into a major disaster.

The utility model relates to fire emergency device technical field, concretely is a kind of emergency switching device of oil depot fire-fighting system, including liquid storage tank, the top of liquid storage tank is equipped with tank cover, be equipped with first liquid storage cavity and second liquid storage cavity in liquid storage tank, first liquid storage cavity and second liquid storage cavity are equipped with first pump body and second pump body respectively, the output end of first pump body is equipped with first delivery pipe, the output end of first delivery pipe passes through the bottom of tank cover and is connected with first switching assembly, the output end of second delivery pipe passes through the bottom of tank cover and is connected with second switching assembly. The emergency switching device of oil depot fire-fighting system, by setting up U-shaped automatic liquid guide pipe and U-shaped manual liquid guide pipe in switching assembly, both can be switched automatically by solenoid valve response system instruction, and when solenoid valve fails due to fire impact, through manual valve emergency switching, ensure the reliability of oil depot fire-fighting system under extreme conditions.

This utility model discloses an aerosol intelligent fire protection system for highway tunnels, comprising several mounting slots evenly arranged on the side wall of the tunnel body. An aerosol fire extinguishing material storage tank is placed in each mounting slot. A first discharge pipe and a second discharge pipe are respectively installed on the side surface of the aerosol fire extinguishing material storage tank. A nozzle is installed at the end of both the first and second discharge pipes. A shape memory alloy valve that opens at high temperatures is installed on the first discharge pipe, and a solenoid valve is installed on the second discharge pipe. The two discharge pipes on the aerosol fire extinguishing material storage tank are respectively equipped with a solenoid valve and a shape memory alloy valve. The solenoid valve can be used for active fire extinguishing, while the shape memory alloy valve can achieve passive fire extinguishing when the solenoid valve fails (power failure, damage), thus improving the reliability of the fire protection system.

The application discloses a storage cabinet and an energy storage device, and relates to the technical field of fire fighting, wherein the storage cabinet comprises a cabinet body and at least one shell assembly, at least one first cavity is arranged in the cabinet body; the shell assembly is arranged in the first cavity, and the inside of the shell assembly is provided with a second cavity for mounting a battery structure; the first end of a first gas flow channel of the shell assembly is communicated with the first cavity, and the second end of the first gas flow channel is communicated with the outside of the cabinet body; a rotatable baffle structure is arranged in the first gas flow channel, and the baffle structure is used for shielding the first gas flow channel; the third end of a second gas flow channel is communicated with the first cavity, and the fourth end of the second gas flow channel is communicated with the inside of the shell assembly; the outer surface of a plugging piece is abutted against the inner wall surface of the second gas flow channel; the battery structure presses the first elastic piece to move the plugging piece towards the second end of the second gas flow channel and form a gap. The technical scheme provided by the application controls the oxygen concentration in the first cavity, so that the fire extinguishing efficiency is improved.

The invention relates to the technical field of fire-fighting robots, and discloses a fire rescue robot anti-collision structure based on visual feedback. High-pressure water flushing protection mechanisms are arranged on the two sides of the fire-fighting robot. The high-pressure water flushing protection mechanism comprises a U-shaped pipe, control equipment and a plurality of high-pressure nozzles; the fire-fighting robot is further provided with induction equipment. The sensing device monitors the surrounding environment in real time, when obstacles in the advancing direction are detected, high-pressure water flow is sprayed out in advance through the high-pressure spray head for buffering, and surrounding residual fire is extinguished. The high-pressure water flushing protection mechanism can be rotatably stored, a U-shaped pipe of the high-pressure water flushing protection mechanism is composed of a curved pipe and a rotatable straight pipe, and the conversion between a buffering mode and a fire extinguishing mode is achieved by switching a high-pressure spray head and a diffusion spray head. And an anti-collision fence structure is arranged on the periphery and is linked with the spray head to form a water cushion effect to enhance buffering. According to the robot, collision is actively prevented through visual feedback, multi-mode water spraying and anti-collision fence linkage are combined, and the anti-collision capacity and the fire extinguishing efficiency of the robot are remarkably improved.

The utility model discloses a forest unmanned plane fire engine relates to fire fighting equipment technical field, including unmanned plane fire engine, the rear side of unmanned plane fire engine is provided with the alternate water supplement mechanism, the top of alternate water supplement mechanism is provided with the mounting unmanned plane, the alternate water supplement mechanism includes the water tank, the bottom rear side of water tank is provided with two water tank put into holes that go through its inner chamber, the inner chamber of two water tank put into holes all is provided with the mounting water tank. The utility model discloses through setting alternate water supplement mechanism, including two alternate use's mounting water tank, L type water pipe, electric push rod and push plate structure, so that when one mounting water tank is in the execution extinguishing fire task, another water tank can carry out water supplement simultaneously, makes unmanned plane to return behind can quick replacement has filled up water tank and takes off again, greatly shortens the time of waiting for water supplement, is especially suitable for long distance, continuous forest fire fighting task, improves the fire extinguishing efficiency.

The application relates to the fire-fighting monitoring technical field and discloses a fire extinguishing device arranged on a slide rail network in a site, which comprises a fire source signal detecting module, a calculation processing module and a fire extinguishing spraying module. The fire source signal detecting module is used for detecting the fire source signal in the site. The calculation processing module is electrically connected with the fire source signal detecting module, and the calculation processing module is used for receiving the fire source signal. The fire extinguishing spraying module is arranged on the slide rail network in a sliding mode, the fire extinguishing spraying module carries multiple fire extinguishing mediums with different densities and can spray the fire extinguishing mediums to the fire source. The fire extinguishing spraying module is electrically connected with the calculation processing module, the calculation processing module sends a control signal to the fire extinguishing spraying module according to the fire source signal, and the fire extinguishing spraying module adjusts the position thereof according to the control signal and sprays the fire extinguishing medium with the corresponding density. The fire extinguishing device can efficiently switch the fire extinguishing mediums with different densities and adjust the spraying angle of the fire extinguishing medium according to the different fire extinguishing mediums.

The utility model discloses an open -air telescopic rod formula electric bicycle charging pile water -based fire suppression device belongs to fire suppression technical field, solves the problem of urgently needing a kind of can quickly extinguish fire, can also continuously cool down, effectively prevent fire recurrence, and low cost, safe and reliable fire suppression device. Including host, several fire-fighting sprinkling charging piles and the image acquisition component being opposite to the setting of several fire-fighting sprinkling charging piles;The image acquisition component exports image to host. The utility model is in electric bicycle charging fire, and image acquisition component obtains image transmission to host controller, and host guides external water source and lithium battery special water-based fire extinguishing agent raw liquid after mixing, and is sent to fire-fighting sprinkling charging pile. When water pressure rises and exceeds threshold value, the expander drives double spray head seat to rise, and the spray head sprays fire extinguishing, and resets automatically after ending, and quickly extinguishes fire and cools down, avoids fire spreading, and improves fire extinguishing efficiency.

The invention relates to the technical field of intelligent fire extinguishing, in particular to an intelligent fire extinguishing device and method for a rechargeable battery, the intelligent fire extinguishing device comprises a transverse frame and an assembly plate fixedly mounted on the transverse frame, and further comprises a folding and unfolding mechanism arranged on the transverse frame and connected with the folding and unfolding mechanism mounted on the assembly plate, and the folding and unfolding mechanism is located above a charging area. When the folding and unfolding mechanism moves, the folding and unfolding mechanism can be promoted to be switched from a folding state to an unfolding state; the grounding ring is fixed on the ground, the charging area is enveloped in the grounding ring, the grounding ring is matched with the folding and unfolding mechanism, multiple sets of locking mechanisms are arranged on the grounding ring, and after the folding and unfolding mechanism is switched to the unfolding state, the locking mechanisms are triggered; and the grounding ring is arranged, after the folding and unfolding mechanism is switched to the unfolding state, the locking mechanism can be automatically triggered, and the unfolding state of the folding and unfolding mechanism is locked, so that the problems that a fire source escapes and the surrounding environment is threatened due to the fact that internal air pressure is increased can be effectively prevented, and the fire extinguishing reliability is guaranteed.

The utility model relates to an unmanned aerial vehicle for fire fighting, which belongs to the technical field of unmanned aerial vehicles and comprises an unmanned aerial vehicle body, a fire extinguishing agent placing box is clamped on the upper surface of the unmanned aerial vehicle body, a fixing component for fixing the fire extinguishing agent placing box is arranged on the unmanned aerial vehicle body, a pump body is arranged on one side of the unmanned aerial vehicle body, and a fixing frame is arranged on the lower surface of the unmanned aerial vehicle body. A reciprocating rotation type fire extinguishing agent spraying assembly is arranged on the fixing frame, a motor used for driving the reciprocating rotation type fire extinguishing agent spraying assembly is connected to the fixing frame, the output end of the pump body is connected with the reciprocating rotation type fire extinguishing agent spraying assembly, and the spray gun rotates in a reciprocating mode through the reciprocating rotation type fire extinguishing agent spraying assembly and the motor. And the fire extinguishing agent containing box can be conveniently taken down and replaced through the fixing assembly and the positioning groove, various requirements of different fire scenes for the fire extinguishing agent can be met, it can be guaranteed that the fire extinguishing agent containing box is stable, and the situation that flight safety and fire extinguishing operation are affected due to shaking and displacement is avoided.

This utility model relates to the field of fire prevention and control device technology, and in particular to a fire prevention and control isolation compartment for electric vehicles, comprising: a plurality of compartments that are sequentially nested and slide; a driving component is installed between every two compartments, the driving component being used to drive the relative movement between the two compartments; wherein, a water circuit assembly and a fire extinguisher are fixedly installed inside the compartments, and a roller shutter assembly is also installed at the ends of the outermost and innermost two compartments. In this utility model, by using a driving component to drive the movement between the two compartments, the isolation compartment can automatically unfold relative to the two compartments during the entire use process, thereby improving fire extinguishing efficiency. Secondly, a smoke exhaust water gun is designed on each compartment, which can quickly exhaust the smoke inside the compartment during fire extinguishing, thereby improving the fire extinguishing stability of the electric vehicle. A locking component is used to lock and fix the multiple compartments together when they are stored.

This invention discloses a drone device for building fire extinguishing and smoke dispersal, relating to the field of aviation equipment technology. It includes a drone body and a fire extinguisher canister for smoke dispersal and fire extinguishing. A gas delivery assembly is installed on the top of the drone body, including a sealed storage compartment. In this building fire extinguishing and smoke dispersal drone device, to reduce the load on the drone body during fire extinguishing, the fire extinguisher canister is first secured to an airbag with external straps. A mixture of nitrogen and helium, which has fire extinguishing and levitation effects, is then filled into the airbag. Multiple arc-shaped pushers extend the airbag into a boat shape, reducing wind resistance during levitation. The drone body can then be activated, carrying the fire extinguisher canister with the airbag, to extinguish fires and disperse smoke, utilizing the airbag's own buoyancy.

The invention provides an efficient turbofan cannon fire extinguishing device and a control method thereof. A device body can be connected with external spraying medium supply equipment; the device body comprises a turbofan cannon driving part and an adjusting control part; the turbofan cannon driving part comprises a driving containing shell, and a turbofan cannon assembly is arranged in the driving containing shell. The adjusting control part comprises an adjusting control shell which is movably connected with and drives the accommodating shell; a monitoring unit, a control unit and an adjusting unit are arranged in the adjusting control shell; the control unit can control parameters of the turbofan cannon assembly by adjusting the angle of the drive containing shell through the adjusting unit according to monitoring data of the monitoring unit. The direction of the turbofan cannon can be adjusted, the turbofan cannon can be applied to the offshore booster station, cable fire can be rapidly and effectively extinguished under the windless or windy condition, the fire extinguishing time is remarkably shortened, the emergency response speed and fire extinguishing efficiency of the cable fire of the offshore booster station are improved, and the safety coefficient is increased.

The application relates to a multi-source data fusion battery pack thermal runaway fire control method and system, and relates to the technical field of battery packs, which comprises the following steps: acquiring a battery number and a battery temperature corresponding to the battery number; when the battery temperature is greater than a preset thermal runaway temperature, defining the battery number corresponding to the battery temperature as a thermal runaway number; acquiring a real-time temperature corresponding to the thermal runaway number; when the real-time temperature is greater than a preset ignition temperature, accumulating an ignition time; and when the ignition time is greater than a preset time threshold, controlling an atomizing nozzle to spray the battery corresponding to the thermal runaway number according to a preset spraying mode. The application has the effect of improving the fire control efficiency of the battery pack in a thermal runaway scene.

The utility model provides a kind of fire extinguishing robot waterway docking mechanism, including guide rail, still including the water line above the guide rail, the recess of the guide rail is provided with rack rail, the below of the water line is provided with multiple groups of water outlet assembly, the guide rail lower movable joint has robot body, water tank is provided on the robot body, drive assembly, docking assembly and conducting component are further provided on the robot body, the utility model is realized the efficient water taking function of robot body by the water outlet assembly intermittently arranged on water line and automatic water taking pipeline docking mechanism, further greatly improve fire efficiency, avoid the personnel casualties and property loss situation caused by inconvenient water taking when fire condition is serious.

The invention relates to the field of offshore platform fire fighting, in particular to a fire extinguishing control system and method for a turbofan cannon. Comprising a controller used for analyzing field data and displaying images; the detection module is used for sensing the temperature, the image and the distance of a field fire, and the detection module is connected with the controller; the processing module is used for receiving the data from the detection module, analyzing and processing the data and then generating a driving instruction for the turbofan gun to aim at the fire, and the processing module is connected with the controller; when an offshore platform has a fire, the system can analyze flame characteristics of a fire area at the first time, filter interference of factors such as environment and wind power, position and aim at the fire center area, command a turbofan cannon to jet, adjust a fire extinguishing system in real time according to flow parameters of the turbofan cannon and flame motion characteristics, and improve the fire extinguishing efficiency of the offshore platform. Accurate fire recognition, accurate aiming, effective spraying and fire suppression can be achieved, the fire extinguishing precision is improved, and the fire extinguishing efficiency can be further improved.

This utility model discloses a fire sprinkler system, including a vehicle shed and sprinkler components. The vehicle shed includes a main frame, supporting horizontal pipes, and a canopy. The canopy is located on top of the main frame, and the supporting horizontal pipes are fixed to the main frame and abut against the bottom of the canopy. The sprinkler components include a sprinkler riser connected to a fire hydrant network and at least one sprinkler branch pipe connected to the sprinkler riser. The sprinkler riser is fixed to the main frame, and the sprinkler branch pipes are located inside the supporting horizontal pipes. Each supporting horizontal pipe has at most one sprinkler branch pipe, and each sprinkler branch pipe has at least one fire sprinkler head passing through the supporting horizontal pipe. This utility model can provide shelter and protection for vehicles while meeting the requirements for efficient fire suppression.

The utility model discloses a high-pressure water mist fire extinguisher convenient to move, which comprises a bottom box, a space adjusting mechanism, a mounting clamping mechanism and a fixing auxiliary mechanism, the space adjusting mechanism comprises a space frame, a rotating shaft, an atomizing pipe, a rotating frame, a support frame, an eccentric disc and a hydraulic cylinder; the installation clamping mechanism comprises a clamping pipe, a clamping rod, a rotating ring, a push-pull rod, an embedded plate, an annular groove and a supporting ring, the space adjusting mechanism can achieve space adjustment of the high-pressure water mist fire extinguisher through cooperation of a hydraulic cylinder and an eccentric disc, the direction and the position of an atomization pipe can be flexibly adjusted, and through the design of the clamping rod, the rotating ring and the push-pull rod, the space adjusting mechanism is convenient to use. The quick and firm connection between the components can be realized, and the stability of each part of the device in the use process can be ensured through the matching of the clamping pipe and the clamping rod.

The application discloses a kind of passenger cabin intelligent spraying systems and the public transport vehicle with it, comprising: monitoring unit, controller, spraying fire extinguishing unit and alarm unit;Monitoring unit includes composite monitoring module, composite monitoring module, spraying fire extinguishing unit and alarm unit are respectively electrically connected with controller;Wherein, spraying fire extinguishing unit includes the spraying fire extinguishing host for being installed below passenger cabin seat, the spraying pipe for being installed on the inner wall of passenger cabin top along the length direction of the inner wall of passenger cabin top, multiple fixed spraying modules and multiple movable spraying modules for being installed on the inner wall of passenger cabin top and being communicated with spraying pipe and multiple drive mechanisms for driving multiple movable spraying modules to be correspondingly close to or away from multiple fixed spraying modules.The application can utilize limited stock of fire extinguishing agent and timely, targetedly extinguish fire at ignition point, effectively improve the speed and fire extinguishing efficiency, and effectively reduce the probability of reignition.

The automatic induction fire extinguishing equipment comprises a mounting plate, sliding rails are fixedly connected to the bottoms of the two ends of the mounting plate, driving lead screws are arranged on the sliding rails in a penetrating mode, the driving lead screws are rotationally connected with the sliding rails, the same driving mechanism is arranged on one sides of the two sliding rails, and the two driving lead screws are sleeved with lead screw nuts. The driving lead screw is matched with the lead screw nut, the outer wall of the lead screw nut is fixedly connected with a moving plate, the moving plate is slidably connected with the sliding rail, guide rods are arranged at the two ends of the moving plate in a penetrating mode, the guide rods are fixedly connected with the inner wall of the sliding rail, the moving plate is slidably connected with the guide rods, and the sides, close to each other, of the two moving plates are fixedly connected with the same first U-shaped plate. The device is simple to operate, the dry powder bottle is convenient to mount and dismount, the time and energy required for maintenance are reduced, the maintenance work is more efficient, the position of the dry powder bottle can be adjusted, the dry powder bottle can cover a fire source area more accurately, and the fire extinguishing efficiency and safety are improved.

The utility model discloses a battery pack with a thermal runaway protection structure, which comprises a battery box body, a battery cell module and a liquid cooling plate for dissipating heat of the battery cell module are arranged in the battery box body, a cooling liquid flow channel is arranged in the liquid cooling plate, a liquid inlet and a liquid outlet which extend out of the battery box body are connected onto the liquid cooling plate, a fire-fighting spray head is arranged in the battery box body, and the fire-fighting spray head is connected with the battery box body. The fire-fighting spray header is installed on the liquid cooling plate and communicated with the cooling liquid flow channel in the liquid cooling plate, and a thermal control opening mechanism is arranged on the fire-fighting spray header. The cost of the fire extinguishing system can be effectively reduced, the design is simplified, and meanwhile the fire extinguishing efficiency can be improved.

The present application relates to the field of battery thermal safety performance test, specifically to a kind of energy storage device thermal safety performance test test device, including test box, controller, temperature detector and voltmeter, the controller, temperature detector and voltmeter are sequentially installed from top to bottom in test box front left side, and controller is electrically connected with temperature detector, heater electrically connected with controller is installed in the left and right inner walls of test box, controller controls the start-stop of heater, let heater heat test box, temperature measuring mechanism is installed in the top of test box inner chamber, and fire extinguishing mechanism is installed around the top of test box inner chamber.Effectively solve the technical pain points that existing test device cannot detect battery bulging, test dimension is single, fill the blank of structure failure early warning in battery thermal safety test, provide more comprehensive, rigorous data support for battery thermal safety performance evaluation, and then provide accurate direction for structure optimization and performance improvement of battery.

The application discloses a transformer for low-voltage power transmission lines and relates to the technical field of transformers, which comprises a transformer body, an auxiliary bottom box fixedly connected to the lower portion of the transformer body, a gas storage tube fixedly connected to the inside of the auxiliary bottom box, an exhaust pipeline penetrating through the upper portion of the gas storage tube, and a plugging mechanism arranged in the inside of the gas storage tube and used for plugging the inert gas stored in the inside of the gas storage tube. When the transformer body is on fire, the temperature will rapidly increase, the plugging deformation tube in the inside of the gas storage tube is softened by heat, the plugging deformation tube cannot maintain the adhered state after deformation, no longer adheres to the inner wall of the gas storage tube, the plugging of the exhaust pipeline is released, the high-pressure inert gas stored in the inside of the gas storage tube can be automatically discharged into the inside of the transformer body through the exhaust pipeline, and the open fire can be rapidly extinguished.

The application relates to the technical field of SFC control cabinet fire prevention, and mainly discloses a pumped storage unit SFC starting control device, which comprises a control cabinet, an electrical control assembly is arranged in the control cabinet, a fire extinguishing assembly, an adjusting piece and a plurality of spray head pieces are arranged on the adjusting piece, the adjusting piece is movably arranged on a mounting frame, the mounting frame is fixed to a cabinet door of the control cabinet, and the spray head pieces are arranged towards the inside of the control cabinet; the device solves the problem that the fire extinguishing spray head of the existing pumped storage unit SFC starting control device cannot accurately cover the high-heat area in the SFC device.