219results about How to "Fire fast" patented technology

The invention discloses a closed transformer substation based on fire-fighting large-scale power grid safety guarantee, and relates to the technical field of closed transformer substations, the closed transformer substation comprises a power transformation room, power transformation boxes and a cold water tower, the front and rear sides of the power transformation boxes are provided with heat dissipation mechanisms, the side end faces of the power transformation boxes are provided with fire-fighting mechanisms, and the power transformation boxes are uniformly installed in the power transformation room. A cold water flow channel is formed between the power transformation box and the power transformation room, the cold water tower comprises a tower body, a water outlet pipe, a return pipe and a refrigerator, the tower body is in through connection with the cold water flow channel through the water outlet pipe and the return pipe, and a circulating pump is arranged on the water outlet pipe; the movable radiator is in sliding connection with the fixed radiator through the temperature sensing telescopic rod. The system has the advantages of good heat dissipation effect and intelligent fire fighting, and solves the problems of low heat dissipation efficiency and slow fire fighting response speed of a closed power transformation box in the prior art.

The utility model relates to the technical field of charging piles, and discloses a charging pile based on the Internet of Things, which comprises a charging pile body, a cleaning mechanism is arranged on the left side of the charging pile body, and a fire fighting mechanism is arranged in the charging pile body; the cleaning mechanism comprises a charging element, the bottom face of the charging element is fixedly connected with the inner bottom wall of the charging pile body, a heat dissipation filter screen is clamped to the left side face of the charging pile body, an auxiliary block is fixedly connected to the left side face of the charging pile body, a servo motor is fixedly connected to the front face of the auxiliary block, and the power output end of the servo motor is fixedly connected with a threaded rod. According to the charging pile based on the Internet of Things, the capacity of regularly cleaning the filter screen is achieved, the situation that the heat dissipation effect is affected due to the fact that dust is attached to the filter screen after the filter screen is placed for a long time is prevented, the high-temperature alarming and fire fighting capacity is achieved, and alarming and fire extinguishing can be rapidly conducted when internal elements are high in temperature or short-circuit fire breaks out; the effect of improving the safety of the charging pile based on the Internet of Things is achieved.

The invention discloses a prevention and control method for early intervention of thermal runaway of a lithium battery, and aims to solve the problems that in the prior art, an alarm can be given only when smoke and temperature are obviously increased, the reaction time is long, and early intervention cannot be realized. The prevention and control method is divided into a first-level keep-alive operation mechanism and a third-level early warning operation mechanism, and comprises the following steps: in a 0-level state, a PACK-level sensor and a master control maintain online heartbeat; the first-level state is that the PACK-level sensor detects data exception in the early stage; in the second-stage state, the PACK-stage sensor preliminarily considers that the battery is possibly in the early stage of thermal runaway, and the PACK detector sends a second-stage fire alarm state to the controller; and in the third-level state, the PACK level sensor determines that the battery PACK is in the thermal runaway state, and the PACK detector sends a third-level fire alarm state to the controller. According to the method, the temperature of the battery PACK is rapidly reduced through early intervention and low-quantity disposal strategies, the battery PACK is prevented from entering a thermal runaway state, and therefore fire disasters are avoided, economic losses are reduced, and the safety of the system is improved.

The invention discloses a power distribution cabinet with fire early warning and fighting functions, which comprises a power distribution cabinet main body, a storage ceiling is arranged at the top of the power distribution cabinet main body, a carbon dioxide fire extinguisher and a loading seat are arranged in the storage ceiling, and the loading seat is arranged at the top of the power distribution cabinet main body. The carbon dioxide fire extinguisher is erected at the top of the loading seat. The intelligent power distribution cabinet integrates efficient fire early warning and automatic fire extinguishing functions, environment changes in the power distribution cabinet are monitored in real time through the fire detector, once a fire sign is detected, an audible and visual alarm is triggered immediately, attention is attracted rapidly, emergency response is started, and meanwhile an automatic fire extinguishing mechanism is triggered; the power distribution cabinet can rapidly and effectively extinguish a fire in the cabinet body, and the design integrating early warning and extinguishment not only significantly shortens the fire response time, improves the fire extinguishing efficiency, but also reduces the risk of manual operation, and provides comprehensive and reliable guarantee for the safety of the power distribution cabinet and the surrounding environment of the power distribution cabinet.

The invention relates to an inert gas-perfluorohexanone oil-in-water microemulsion fire extinguishing agent which can effectively solve the problems that a lithium battery fire extinguishing agent is complex in equipment, high in overall cost and inconvenient to popularize and use. The inert gas-perfluorohexanone oil-in-water microemulsion fire extinguishing agent is composed of inert gas with the pressure being 0.2-0.3 Mpa and the flow being 36-40 L / min and perfluorohexanone oil-in-water microemulsion with the flow being 6-8 L / h, and the perfluorohexanone oil-in-water microemulsion is composed of, by mass, 20-50 parts of perfluorohexanone, 50-180 parts of deionized water and 5-35 parts of fluorocarbon surfactant. The fire extinguishing agent disclosed by the invention can be used for quickly extinguishing and cooling a lithium battery fire disaster, reducing the smoke toxicity of the lithium battery fire disaster, reducing the reburning probability of the battery and inhibiting the spreading of thermal runaway of the lithium ion battery, has the advantages of cleanness, high efficiency, economy and convenience in storage and use, and is an innovation of a lithium battery fire extinguishing agent.

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 utility model discloses a non-stored-pressure perfluorohexanone fire extinguishing device which comprises a driver, a shell is arranged below the driver, a fire extinguishing agent cylinder is fixedly installed on the inner side face of the shell, installation holes are formed in the upper side and the lower side of the rear end of the shell, a lower end socket is connected to the bottom end of the fire extinguishing agent cylinder in a sealed mode, and a lower end socket is connected to the lower end socket in a sealed mode. And the top end of the fire extinguishing agent barrel is connected with an upper sealing head in a sealed mode, the fire extinguishing agent barrel is filled with a perfluorohexanone fire extinguishing agent, and a driver is installed on the right side of the top end of the upper sealing head in an embedded mode. The miniature sealing piston is installed at the starting end to replace a traditional rupture disk, the device is started through displacement of the sealing piston, and the situation that the sealing rupture disk in a traditional device is prone to being affected by environmental factors such as temperature and pressure is avoided; and hidden dangers such as leakage possibly caused by rapid rising of the saturated vapor pressure of the perfluorohexanone fire extinguishing agent along with the temperature are avoided, and the safety of the device is improved.

The invention provides a natural fire-fighting water source information processing method and a forest fire-fighting system. The method comprises the following steps: receiving a movement track of a carrier and labeling information of a natural fire-fighting water source through a Beidou box; determining the water supply capacity of the natural fire-fighting water source according to the labeling information of the natural fire-fighting water source; determining at least one first reference route according to the positioning information of at least one final position where the fire-fighting vehicle is driven to enter the target forest region, the positioning information of the natural fire-fighting water source and the topographic data; correcting the moving track to obtain a second reference route; and after detecting that a forest fire event occurs in the target forest region, determining a target route for reaching the natural fire-fighting water source from the reference route according to the fire information of the ignition point and the above information, and determining the water supply amount of the mobile water source. Therefore, in the application, the efficiency and success rate of the fire extinguishing action can be improved by acquiring the fire-fighting water source information in advance and performing path planning and the required preparation amount of the moving water source.

The invention discloses a movable transformer with an anti-explosion protection mechanism, and belongs to the technical field of transformers, and the movable transformer with the anti-explosion protection mechanism comprises a transformer, a heat dissipation net groove, two fixing frames, two sponge pieces, a heat dissipation mechanism, a water storage mechanism, two groups of liquid spraying mechanisms and a linkage mechanism. By arranging the heat dissipation net groove, the two sponge pieces, the heat dissipation mechanism, the water storage mechanism, the two liquid spraying mechanisms and the linkage mechanism, through operation of the heat dissipation mechanism, the flowing speed of air in the transformer and air outside the transformer can be increased, and the temperature in the transformer is effectively reduced; and water in the water storage mechanism is sprayed to the surface of the sponge sheet through the liquid spraying mechanism, the heat dissipation effect is further enhanced by utilizing the principle that heat is taken away through water evaporation, stable operation of the transformer is guaranteed, and the service life of the transformer is prolonged. And the sponge sheet is in contact with the surface of the transformer, so that a certain heat insulation effect is achieved, and the direct heating area of the transformer is reduced.

The utility model discloses an explosion-proof electromagnetic valve box, which relates to the technical field of electromagnetic valve boxes and comprises a box body, a cavity is arranged in the box body, a sensor is arranged at the top of a fixing frame, and a first sensing block and a second sensing block which are matched with the sensor for use are arranged in the fixing frame. The top of the box body is provided with a material storage box used in cooperation with the material guide pipe and the spray head. The inner part of the box body can be cooled through the heat dissipation opening, the heat dissipation opening is blocked through the first blocking block and the second blocking block when the temperature in the box body rises in an abnormal state, and when the first induction block is in contact with the second induction block, the sensor starts to work, so that the temperature in the box body is reduced; according to the explosion-proof type electromagnetic valve box, professional personnel can rapidly know that the electromagnetic valve box is in an abnormal state, when a sensor starts to work, a material storage box is driven to be matched with a material guide pipe and a spray head, a cavity can be filled with fire extinguishing dry powder in the material storage box, the rapid fire extinguishing effect can be achieved, and the safety of the explosion-proof type electromagnetic valve box is improved.

The utility model discloses an energy storage cabinet and an energy storage system. The energy storage cabinet comprises a frame, and the frame comprises a plurality of edge beams and reinforcing beams. The reinforcing beam is provided with a second internal channel and a plurality of second through holes communicated with the second internal channel, the length direction of the reinforcing beam is inclined to the length direction of at least one edge beam, and the first end of the reinforcing beam is connected with the edge beam so that the second internal channel can be communicated with the first internal channel; at least one of the edge beam and the reinforcing beam is provided with a connecting hole used for being communicated with an external pipeline. Therefore, the reinforcing beam is provided with the second internal channel and the plurality of second through holes, and the edge beam is provided with the first internal channel and the plurality of first through holes, so that the fire extinguishing medium can be simultaneously sprayed through the edge beam and the reinforcing beam, and the fire can be quickly extinguished.

The utility model belongs to the technical field of fire extinguishing of mining mechanical equipment, in particular relates to an automatic fire extinguishing system with a pipe network, and aims to solve the problems of low manual fire extinguishing efficiency, sometimes difficulty in implementation, high false alarm rate, inconvenience in maintenance, poor use effect and the like of part of automatic fire extinguishing systems when fire behavior is generated by mining equipment in the prior art. According to the scheme, the device comprises a water inlet pipe, a water flow valve is fixedly installed at one end of the water inlet pipe and used for being connected with an external water source pipeline, and the other end of the water inlet pipe is divided into two parts through a three-way pipe and fixedly connected with a first liquid conveying pipe and a second liquid conveying pipe respectively. According to the automatic fire extinguishing system, the corresponding pipe network is arranged for connection, the part, where a fire occurs easily, in the mining mechanical equipment can be monitored in an emphasized mode, the fire can be automatically detected through the detection assembly, fire extinguishing measures can be started, manual intervention is not needed, and the fire extinguishing efficiency and safety are greatly improved.

The invention provides a battery swap station with a fire-fighting cabin and a control method thereof.The battery swap station with the fire-fighting cabin comprises a battery swap station body, the fire-fighting cabin, a transfer device and an isolation door assembly, the battery swap station body is provided with a cavity and an avoiding opening communicating with the cavity, a battery box is contained in the cavity, the fire-fighting cabin is located outside the cavity, and the fire-fighting cabin is located in the cavity; the fire-fighting bin is provided with a bin shell, a water inlet pipeline and a water drainage pipeline, the bin shell is provided with a fire-fighting cavity and a bin opening communicated with the fire-fighting cavity, the water inlet pipeline and the water drainage pipeline are connected with the bin shell and communicated with the fire-fighting cavity, and the transfer device is at least partially arranged in the cavity and used for driving the thermal runaway battery box to stretch out of the cavity through the receding opening. And the isolation door assembly is arranged on the battery replacing station main body or the fire-fighting cabin, and the isolation door assembly is used for separating or communicating the avoiding opening and the cabin opening. The battery swap station main body and the fire-fighting cabin are isolated to form an independent fire-fighting space form, and other battery boxes in the battery swap station main body are not affected.

The present invention discloses a lead-carbon battery processing welding equipment and a welding method. The lead-carbon battery processing welding equipment includes a welding equipment shell, a welding assembly, a preheating device, a fire extinguishing system, a cooling device, an explosion-proof device and a heat absorption device. The welding equipment shell includes a workbench, an entrance and an exit. The welding assembly is located on the upper end surface of the welding equipment shell, and the welding assembly includes a welding head assembly and a welding head. A transmission mechanism is arranged on the welding equipment shell, and the transmission mechanism includes a plurality of movable bases. The preheating device is located between the entrance of the welding equipment shell and the welding assembly. The present invention realizes the use of a preheating device to recover the heat generated during the welding process, and transports the heat to the entrance, and uses the heat to preheat the lead-carbon battery welding point before entering the equipment, thereby reducing the heating temperature and time during welding, and having high working efficiency and energy saving and environmental protection.

The invention relates to the technical field of fire fighting, and discloses a fire extinguishing control method and system for an elevating fire fighting truck and the elevating fire fighting truck. The fire extinguishing control method comprises the steps that the range of a fire area is determined, and the fire area is divided into a plurality of fire subareas; obtaining an infrared thermogram of the fire area; determining an ignition point partition with the highest temperature in the plurality of fire partitions according to the infrared thermogram; the fire extinguishing distance between a water cannon of the elevating fire truck and the ignition point partition is obtained; and determining water spraying pressure and water spraying angle of the water cannon according to the fire extinguishing distance. According to the fire extinguishing control method for the elevating fire truck, the fire extinguishing system and the elevating fire truck, accurate fire extinguishing can be conducted on the ignition point in the closed space, the fire extinguishing efficiency is improved, and fire losses are reduced.

The invention provides a safety type fireproof power distribution cabinet for electrical construction, and belongs to the technical field of power distribution cabinets, the safety type fireproof power distribution cabinet comprises a cabinet body, a piston assembly, an air bag and a detection assembly, a cabinet door is arranged on one side of the cabinet body, a partition plate is fixedly arranged on the top of the inner side of the cabinet body, and the piston assembly is arranged on the upper portion of the partition plate; an expansion medium is arranged on one side of the piston assembly, the multiple sets of air bags are vertically distributed below the partition plate and are sequentially communicated, the uppermost set of air bags are communicated with the area above the partition plate, and the detection assembly is installed on the side wall in the cabinet body. The temperature sensor is used for detecting the temperature in the cabinet body. Compared with the prior art, when a certain electrical element in the power distribution cabinet is on fire, automatic fire extinguishing treatment of the electrical element can be achieved, other electrical elements which are not on fire cannot be damaged in the fire extinguishing process, loss is reduced, and the fire extinguishing effect is improved.

The application relates to the technical field of cable branch boxes, in particular to a fire extinguishing structure which further comprises a limiting frame fixed on the front surface of a hollow blade, a No.1 magnet is slidably connected in the limiting frame, a No.1 spring is fixed in the limiting frame, one end of the No.1 spring is fixedly connected with the No.1 magnet, a hollow groove is arranged at the bottom of the No.1 magnet, a micro electric push rod is arranged in the hollow groove, and a conical blade is fixed to the output end of the electric push rod; a mouse driving structure is arranged in the branch box; dry powder in the hollow box enters the inside of the hollow blade, is discharged from a powder outlet under the rotating action of the hollow blade and is thrown into the inside of the branch box, the dry powder is uniformly diffused by the centrifugal force of the rotation of the hollow blade, the high-speed thrown dry powder is fully mixed with air, a dust cloud is formed, the contact reaction with the flame is enhanced, the fire extinguishing is accelerated, and the dry powder cannot be thrown out when the normal heat dissipation state is absorbed.

The invention discloses waste new energy automobile power battery emergency disposal equipment, and relates to the technical field of waste automobile battery disposal, the waste new energy automobile power battery emergency disposal equipment comprises a disposal frame, a fire extinguishing assembly and a separation assembly, a position adjusting assembly is arranged on the outer side of the top of the disposal frame, and a first hydraulic rod is arranged in the disposal frame; a pushing seat is arranged at the output end of the first hydraulic rod, second hydraulic rods are arranged on the two sides of the interior of the treatment frame, clamping seats are arranged at the output ends of the second hydraulic rods, and a fire extinguishing assembly is arranged at the outer end of the treatment frame. Through dual treatment of air extraction and carbon dioxide injection, the equipment can quickly realize emergency fire extinguishing of the power battery of the waste new energy automobile, and the fire extinguishing operation is automatically realized after the treatment frame is transversely arranged in the battery moving process, so that the excellent fire extinguishing effect is achieved while the emergency treatment process is simplified.

The present invention belongs to the technical field of electrical control cabinets, and discloses an explosion-proof and flame-retardant electrical control cabinet that can be efficiently bundled, including a cabinet body, a fixed sleeve is provided inside the cabinet body, a through hole is provided on the end face of the fixed sleeve, and an air hole is provided on the side of the fixed sleeve. The present invention realizes the change of the air supply direction by switching the connection between the No. 3 hole and the No. 1 hole and the No. 2 hole, and realizes the up and down extension of the wire clamp mechanism when connected with the No. 2 hole, and expands the length when the bundle is completed, and the elastic airbag in the wire clamp mechanism is expanded by the introduced air to realize the limited clamping of the wire, and when the No. 3 hole is connected with the No. 1 hole, the introduced air is used to push the middle push rod to move, thereby pushing the wire from the middle of the wire to the outside for tensioning, expanding the length of the whole bundle of the wire, and making the wires with excess wire length at both ends converge toward the middle, improving the whole bundle effect, avoiding the dragging of local wires, and greatly improving the actual use effect of the whole wire.

The utility model relates to a battery charging and swapping cabin communicated type automatic fire extinguishing battery charging and swapping cabinet, which comprises a battery charging and swapping cabinet body, a fire extinguishing device, a controller and a detector capable of detecting fire behavior, the interior of the battery charging and swapping cabinet body is divided into a top independent space and a bottom independent space by a partition plate, and the battery charging and swapping cabinet body is divided into an equipment cabin and a plurality of battery charging and swapping cabins by partition plates; the plurality of charging and swapping cabins are longitudinally arranged, a clearance space is reserved between every two longitudinally arranged charging and swapping cabins, a fire extinguishing agent spraying opening of the fire extinguishing device faces the interior of the clearance space, the clearance space is communicated with the interiors of the adjacent charging and swapping cabins, and the detectors are installed in the charging and swapping cabins and / or the clearance spaces. The controller is in signal connection with the fire extinguishing device and the detector to form a control feedback circuit; through a space structure formed through separation of the pore plates in the charging and battery replacing cabinet, the cabinet body can be rapidly submerged by a gas fire extinguishing agent, and the fire extinguishing efficiency can be guaranteed while the equipment cost is reduced under the condition that the number of spray heads and line pipes is reduced.

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.

A battery module according to one embodiment of the present invention includes: a plurality of battery cells; a module housing accommodating a cell stack including the plurality of battery cells; a sprayer penetrating the module housing from one side in a stacking direction of the cell stack; and a thermal expansion block disposed in a hollow space in the module housing to thermally expand according to a temperature increase inside the module housing.

The utility model discloses an electric meter box for electric power engineering, and relates to the technical field of electric meter boxes. The electric meter box for the electric power engineering comprises an electric meter box body, a mounting wall plate, a fire extinguishing device and a mounting device, the fire extinguishing device is arranged on the mounting wall plate, the mounting device is arranged on the mounting wall plate and comprises two mounting plates, the two mounting plates are fixedly welded to the left side of the mounting wall plate, and T-shaped sliding grooves are formed in the left sides of the two mounting plates; the upper sides and the lower sides of the opposite faces of the two installation plates are provided with round holes, the four round holes are communicated with the interiors of the T-shaped sliding grooves, the diameters of the two round holes located in the upper side are smaller than the diameters of the two round holes located in the lower side, and the two T-shaped sliding grooves and the T-shaped sliding blocks are arranged to achieve the positioning and assisting effect on installation of the electric meter box. The electric meter box is fixed in a clamping manner, and fixing bolts are not needed, so that the convenience of mounting and dismounting the electric meter box is improved.

The invention relates to the technical field of fire fighting and extinguishing, and particularly discloses an automobile fire fighting and extinguishing cover which comprises a fire extinguishing cover main body and further comprises a plurality of fan-shaped covers which are rotationally stored on the two sides of the interior of the fire extinguishing cover main body; the rotating blocks are connected to the two sides of the fire extinguishing cover body through first rotating shafts, and telescopic sleeves are fixedly connected to the rotating blocks; according to the fire extinguishing cover disclosed by the invention, the fire extinguishing cover main body and the fan-shaped cover are matched, so that an automobile at a fire position can be positioned in the fire extinguishing cover main body, and the fire position is isolated and extinguished, so that fire objects are isolated from the surrounding environment, fire behavior and smoke diffusion are controlled, and correspondingly, when the automobile is spontaneously ignited and ignited, fire extinguishing is realized. Compared with the prior art, the automobile fire-proof device has the advantages that a fire-catching automobile can be quickly subjected to isolated combustion, the situation of fire spreading and the phenomenon of catching fire to the surrounding environment are avoided, continuous fire proceeding is avoided, and then the loss phenomenon caused by the fire is reduced.

The utility model provides a water mist generating device for fire rescue. The water mist generating device comprises a water storage body, an external connecting piece and a rotating assembly, specifically, a water storage cavity is formed in the water storage body, a water inlet is formed in one end of the water storage body, the water storage cavity communicates with the output end of the external connecting piece through the water inlet, and the input end of the external connecting piece is used for communicating with an external water conveying device; one or more water outlet holes are formed in the water storage body, and the water storage cavity is communicated with the outside through the water outlet holes; the rotating assembly is in driving connection with the water storage body and is used for driving the water storage body to rotate by taking the external connecting piece as a rotating center shaft. According to the device, water mist covering type fire extinguishing can be achieved, handheld operation of firefighters is not needed, the fire extinguishing range is large, the device is thrown into a fire scene during use, the firefighters do not need to enter the fire scene, and the safety of fire fighting operation is improved.

The invention relates to the technical field of new energy automobile charging equipment, and discloses a new energy automobile mobile charging robot which comprises a mobile chassis, a box shell is fixedly mounted at the top of the mobile chassis, a damping base is fixedly mounted at the inner bottom of the box shell, and a plurality of battery grooves are uniformly formed in the surface of the damping base; storage battery packs are fixedly mounted on the surfaces of the battery grooves correspondingly, a heat conduction plate is fixedly mounted at the bottom of the damping base, polished rods are movably mounted on the front side and the rear side of the inner bottom of the movable chassis correspondingly, and a plurality of flame-retardant outer plates are movably mounted on the outer diameters of the polished rods correspondingly; and flame-retardant inner plates are movably mounted in the flame-retardant outer plates through push-out springs. Mobile flexible charging is achieved, dual safety protection of waste heat self-driven efficient heat dissipation, nitrogen fire extinguishing and flame-retardant blocking is achieved, the advantages of being convenient and fast to operate, high in energy utilization rate, reliable in structure and the like are achieved, and the charging stability and safety are greatly improved.

The invention discloses an industrial super-soft servo cable, and relates to the technical field of cables, the cable comprises a sheath, the cable also comprises a composite shielding layer, the composite shielding layer is arranged on the inner wall of the sheath, and the composite shielding layer comprises an aluminum foil shielding layer and a braided shielding layer; and a plurality of conductive cable cores and one control cable core are arranged in the composite shielding layer in an annular array. According to the invention, by controlling the cooperation of devices such as the buffer piece and the limiting piece arranged in the cable, the problem that the bending part of the sheath is damaged due to the fact that the internal components apply extra acting force when the sheath is bent is effectively avoided, and meanwhile, the conductive cable core and the control cable core are both in flexible contact with the composite shielding layer through the buffer piece, so that the bending part of the sheath is prevented from being damaged. Therefore, the cable is easier to bend, the bending angle is far larger than that of a common cable, and the flexibility of the cable is further improved.

The invention relates to the technical field of electric appliances, in particular to a flame-retardant power distribution cabinet which comprises a power distribution cabinet body, a cabinet cavity is formed in the power distribution cabinet body, a mounting plate is arranged in the cabinet cavity, an electric appliance is further mounted on the mounting plate, the power distribution cabinet body further comprises a front doorway, and a cabinet door is mounted at the doorway. A fire extinguishing device is installed on the inner side of the cabinet door and comprises a containing box, the containing box is provided with a containing cavity, a connecting part is arranged on the back face of the containing box, flame-retardant cotton is installed in the containing cavity, the flame-retardant cotton is wrapped outside the containing cavity through a flammable material layer, and the periphery of the flammable material layer is fixed to the containing box. And under the condition that the flammable material layer wraps the flame-retardant cotton, the flame-retardant cotton is in a potential storage state. The power distribution cabinet has the advantages that fire extinguishing is quicker, and some fire extinguishing requirements can be met.

The invention belongs to the field of gas meter protection, and is an automatic fire extinguishing gas meter box. The automatic fire extinguishing gas meter box includes a shell, an exhaust port is fixedly provided on the upper side of the shell, a gas inlet is fixedly provided on the upper side of the shell, a gas outlet is fixedly provided on the lower side of the shell, a meter box cavity is provided in the shell, two rotating seats are fixedly provided on the front right side of the meter box cavity, and a box door is rotatably provided on the front side of the meter box cavity. When the gas meter catches fire due to gas leakage or other unexpected circumstances, the present invention automatically detects and uses dry powder to extinguish the fire on the gas meter. Dry powder is the most effective gas-related fire extinguishing method, has a good fire extinguishing effect, and will not damage the key components of the gas meter. At the same time, the device can cool the gas pipeline to avoid re-ignition due to excessive temperature. At the same time, the residual gas in the box can be extracted to avoid harm to the human body.

This invention relates to the field of battery safety testing and discloses a battery pack needle penetration testing device, including a testing platform, a needle assembly, a needle driving assembly, a clamping assembly, and a fire-fighting pipe. The needle assembly, needle driving assembly, clamping assembly, and fire-fighting pipe are all mounted on the testing platform. The testing platform has a working chamber for accommodating the battery pack, with an open top. The needle assembly includes needles, the needle driving assembly drives the needles to move towards or away from the battery pack, the clamping assembly clamps the battery pack, and the outlet end of the fire-fighting pipe faces the working chamber, while the inlet end is connected to a water supply pipe. This battery pack needle penetration testing device can achieve rapid fire extinguishing by immersing the battery in water after it catches fire, improving operational safety and shortening extinguishing time.