61results about How to "Reduce fire" patented technology

The invention relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet with a self-adaptive environment adjusting mechanism, and the power distribution cabinet comprises a cabinet body which is used for fixing and supporting internal electrical elements; the automatic dehumidification assembly is mounted on the outer side of the cabinet body and is used for dehumidifying the cabinet body when detecting that the moisture content in the cabinet body is too high; the cleaning assembly is installed on one side of the cabinet body and used for conducting anti-blocking treatment on a filter screen arranged outside the cabinet body, and the driving assembly is installed outside the cleaning assembly and used for driving the cleaning assembly. By adding the automatic dehumidification assembly, the humidity in the power distribution cabinet can be effectively reduced, and the risk of electrical short circuit caused by a humid environment is reduced. By discharging moisture, safe operation of electrical equipment is guaranteed, and fire and electric shock accidents caused by moisture are avoided. And meanwhile, corrosion and aging processes can be slowed down, the service lives of the power distribution cabinet and internal components are remarkably prolonged, and the maintenance and replacement cost is reduced.

The invention discloses an anti-direct-current component nanocrystalline current transformer and a using method thereof. The anti-direct-current component nanocrystalline current transformer comprises a current transformer body, and a magnetic core hole penetrating front and back is formed in the middle of the front side of the current transformer body. The device is provided with a secondary side open circuit detection and protection mechanism, so that imbalance of a magnetic field in the mutual inductor caused by disconnection of a secondary loop is effectively prevented, iron core magnetic flux saturation and potential high electromotive force generation are avoided, the safety of the mutual inductor and peripheral equipment is protected, the risk of power system faults such as fire disasters or short circuits is reduced, and meanwhile, the safety of the mutual inductor is improved. A live wire centering fixing mechanism is arranged, so that the stable centering position of a wire in a magnetic core hole of the mutual inductor is ensured, magnetic field distribution is optimized, the magnetic leakage phenomenon is reduced, the accuracy and stability of current measurement are remarkably improved, meanwhile, measurement fluctuation caused by wire shaking is reduced, and the measurement precision is improved. And more accurate data support is provided for harmonic analysis, fault detection and electric energy quality monitoring of a power system.

The invention relates to an anti-yellowing automobile composite film and a preparation method thereof, and belongs to the technical field of high polymer materials. The yellow-resistant automobile composite film is prepared from the following components in parts by weight: 60 to 70 parts of PVC (Polyvinyl Chloride) master batch, 10 to 20 parts of TPU (Thermoplastic Polyurethane) master batch, 1 to 2 parts of plasticizer, 0.5 to 0.8 part of flatting agent, 0.1 to 2 parts of yellowing-resistant modifier and 0.1 to 2 parts of modified flame retardant, sym-triazine cyanuric chloride and a benzotriazole intermediate in the anti-yellowing modifier absorb ultraviolet rays and reduce yellowing of the ultraviolet rays on the composite material, and maleimide groups, maleic anhydride and isocyanurate rings for increasing the crosslinking density cooperate with one another, so that the heat resistance of the material is improved, and the yellowing is reduced; phosphorus and nitrogen main chains of phosphonitrilic chloride trimer in the modified flame retardant have a conjugation effect, so that a protective film is formed, oxygen is isolated, and the phosphonitrilic chloride trimer and nitrogen are synergistically flame-retardant; the anti-yellowing automobile composite film prepared by the invention not only has excellent ultraviolet absorption performance, heat resistance and anti-yellowing effects, but also has a good flame retardant effect.

The preparation method comprises the following steps: preparing PET non-woven fabric raw paper, preparing a nano-zinc oxide particle dispersion liquid, dipping the PET non-woven fabric raw paper in a solution, carrying out heat treatment to form a functional PET non-woven fabric, preparing a functional alkenyl ionic liquid, carrying out heat treatment to form a PET non-woven fabric, and carrying out heat treatment to form the PET reinforced bi-crosslinked polyionic liquid composite solid electrolyte. Adding a cross-linking agent, a lithium salt, a plasticizer and a photoinitiator to prepare an electrolyte precursor solution; the functional PET non-woven fabric is placed in the electrolyte precursor solution, standing and dipping are carried out under the vacuum condition, then thermal polymerization and photopolymerization are carried out, and the solid electrolyte is prepared and applied to the solid polymer lithium ion battery; the zinc oxide particles are compounded into the PET non-woven fabric to form the non-woven fabric which is thin in thickness, high in tensile strength and appropriate in porosity, and the non-woven fabric is cross-linked with the functionalized alkenyl ionic liquid and the electrolyte precursor solution step by step, so that the ionic conductivity, the electrochemical window and the thermal stability of the solid electrolyte and the safety performance of the battery in use are improved.

The invention relates to the technical field of laying and erecting line assemblies, in particular to a combined color steel corrugated cable bridge which comprises a cable installation bottom frame, the top of the cable installation bottom frame is movably sleeved with an assembly top plate, a transverse moving frame is arranged at the bottom of the assembly top plate, and L-shaped bent plates are arranged on the two sides of the assembly top plate. A circular clamping strip is arranged at the bottom of the L-shaped bending plate, corresponding cables can be quickly and accurately found during equipment maintenance, troubleshooting or line reconstruction, the working efficiency is improved, different cables can be distinguished through marks or colors, after being fixed in a cable bridge, the cables are more convenient to identify and manage, and the cable bridge is more convenient to use. The method is particularly important for a large-scale project or a complex electrical system, misoperation and potential safety hazards can be reduced, and meanwhile, the cable can be effectively prevented from being influenced by external environments such as dust, moisture and corrosion. The cable bridge is usually made of corrosion-resistant, waterproof and dustproof materials, and reliable protection can be provided for the cable.

The invention discloses a preparation method of a flame-retardant viscose fiber with an antibacterial function, which comprises the following steps: (1) under sufficient stirring, sequentially adding a phosphorus flame retardant, a dispersant and graphene oxide into deionized water with an alkaline pH value, and stirring and ball-milling to obtain a flame retardant dispersion liquid; (2) preparing a spinning stock solution by taking cellulose pulp as a raw material, and adding the flame retardant dispersion liquid into the spinning stock solution by adopting a pre-spinning injection method to prepare a blended spinning stock solution; (3) spinning the blended spinning stock solution in a coagulating bath, and reducing the blended spinning stock solution in an oxidation-reduction bath to obtain a formed tow; and after drafting, carrying out a post-treatment process to obtain the flame-retardant viscose fiber with the antibacterial function. The production process is optimized from multiple aspects such as selection of raw materials for preparing the flame retardant, oxidation reduction and the like, and the prepared flame-retardant viscose fiber has excellent flame retardance, good physical and mechanical properties and antibacterial properties and good wearability.

The present invention relates to a halogen-free flame-retardant TPU composite material and a preparation method thereof, and belongs to the technical field of polymer materials. The halogen-free flame-retardant TPU composite material comprises, by weight, 3-10 parts of a modified flame retardant, 2-10 parts of phenoxy cyclophosphazene, 80-100 parts of TPU particles, 90 parts of N,N-dimethylformamide, 0.8-1.2 parts of an ultraviolet absorber, and 2.5-3.5 parts of a lubricant; in the modified flame retardant, ammonium polyphosphate is heated to polyphosphoric acid, which is heat-insulating and flame-retardant, improves the comprehensive performance of the material, and the quaternary ammonium salt structure and the carbamate bond synergistically enhance the flame retardant and heat-resistant performance of the material; in the ultraviolet absorber, cyanuric chloride and benzotriazole intermediates absorb ultraviolet rays, reduce the damage of ultraviolet rays to the material, and enhance aging resistance and toughness; the halogen-free flame-retardant TPU composite material prepared by the present invention not only has good flame retardant and heat-resistant effects, but also has excellent anti-ultraviolet performance.

The utility model relates to the technical field of fireproof doors, and discloses a fireproof door with a fire extinguishing function, which comprises a door frame and two door leaves, the door frame and the door leaves are made of steel materials, the two door leaves rotate on the inner side of the door frame through hinges, one side of one door leaf is fixedly provided with a fireproof lock, and the other side of the other door leaf is fixedly provided with a fire extinguishing door. Fireproof glass is fixedly arranged on the two door leaves, seam covering plates are fixedly arranged on the inner sides of the two door leaves, first expansion fireproof sealing rubber strips are fixedly arranged on the inner sides of the two door leaves and located on one sides of the seam covering plates, and second expansion fireproof sealing rubber strips are fixedly arranged on the inner sides of the door frames. According to the fireproof door, the fire condition can be observed conveniently, meanwhile, the fireproof door has certain heat resistance and fire resistance, the function of slowing down fire spreading is achieved, evacuation time is prolonged for refugees, and therefore the practicability and multifunctionality of the fireproof door are improved.

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 utility model relates to the technical field of energy storage, and provides a battery cell module and an energy storage cabinet, and the battery cell module comprises a module shell, a battery cell module, an aerosol generation device, a first fire extinguishing agent supply part and a liquid cooling plate. A discharge port of the first fire extinguishing agent supply part, the battery cell module and the aerosol generation device are all located in the module shell; the aerosol generating device is used for generating aerosol when a fire occurs; the first fire extinguishing agent supply part is used for providing a fire extinguishing agent from the discharging opening when a fire occurs. And the liquid cooling plate is positioned in the module shell and is clamped between the battery cell module and the module shell. In this way, the fire-fighting performance of the battery cell module is improved, the purpose of timely extinguishing fire in the module shell can be achieved, and fire spreading is effectively prevented. And in addition, the liquid cooling plate effectively avoids accumulation of heat generated during operation of the battery cell module, so that the probability of fire disasters can be reduced from the source.

The municipal garbage can high in use safety comprises a frame body and a can body, a cigarette end containing groove is formed in the frame body, a containing groove is formed in the cigarette end containing groove, a containing cavity and a through hole are formed in the frame body, a housing is rotationally connected to the frame body, and a cigarette inlet is formed in the housing. When a cigarette end needs to be thrown, the cover shell is rotated to enable the cigarette inlet to be communicated with the through hole, the cigarette end can fall into the containing groove when the cigarette end is thrown into the cigarette inlet, then the cover shell is rotated to enable the cover shell to cover the through hole, the cigarette end containing groove can be surrounded, the situation that the cigarette end is blown up by wind is reduced, and the environment can be kept clean and tidy; and fire disasters caused by cigarette ends are reduced, and the use safety of the municipal garbage can is improved.

The utility model belongs to the technical field of vehicles, and particularly relates to a battery cell, a battery pack and a vehicle. Wherein the battery cell comprises a shell, a cell body, an anti-explosion valve and a temperature-sensitive material, the anti-explosion valve is arranged on the shell, the cell body and the temperature-sensitive material are both arranged in the shell, and the temperature-sensitive material can release gas when a preset temperature is reached. When the battery cell fails, the temperature of the battery cell begins to rise, when the temperature in the battery cell reaches the preset temperature, the temperature-sensitive material begins to release gas, the pressure in the battery cell is increased, and when the pressure in the battery cell is accumulated to the valve opening pressure, the anti-explosion valve is opened, the temperature of the battery cell does not reach the initial temperature of thermal runaway of the battery cell at the moment; and the temperature of the battery cell is reduced while the anti-explosion valve is opened, so that the possibility of thermal runaway of the battery cell is effectively reduced. Therefore, the temperature-sensitive material is arranged in the shell, so that the time for the battery cell to reach the valve opening pressure is shortened, the battery cell is enabled to open the valve at a safe temperature, the probability of firing and explosion of the battery pack is reduced, and the possibility of thermal runaway of the battery cell is reduced.

The utility model provides a bacteriostatic non-woven fabric, and relates to the technical field of non-woven fabrics. The medical non-woven fabric is used for solving the technical problems that the medical non-woven fabric provided by the existing patent is easy to become a fire guide source, so that a user is burnt, and secondary injury is caused to a patient. The antibacterial non-woven fabric comprises a non-woven fabric base layer, an antibacterial fiber layer is laid on the non-woven fabric base layer, an activated carbon fiber layer is laid on the antibacterial fiber layer, a breathable layer is laid on the activated carbon fiber layer, a plurality of breathable holes are formed in the breathable layer, and the face, away from the antibacterial fiber layer, of the non-woven fabric base layer is coated with a flame-retardant coating. The flame-retardant coating can effectively slow down the fire behavior and avoid the combustion of the non-woven fabric, prevent the fire behavior from spreading and hurting patients, and achieve the flame-retardant effect of the non-woven fabric.

The utility model relates to the technical field of heat dissipation, in particular to a heat dissipation structure of an energy storage battery cabinet, which is characterized in that a magnetic lock head is fixedly connected above a cabinet door assembly, a second rectangular slotted hole is formed in the inner surface of the cabinet door assembly, and a temperature sensing assembly is fixedly connected in the second rectangular slotted hole; the cabinet door assemblies are fixedly connected to the upper portions of the cabinet door assemblies, the magnetic lock bodies are fixedly connected to the top of the box body, the two cabinet door assemblies are installed on the two sides of the machine body respectively, and the two sets of magnetic locks are installed on the upper portions of the two cabinet door assemblies respectively. During use, the temperature sensing assembly is mounted in the cabinet door assembly, the magnetic lock head and the spring door assembly are mounted at the top of the cabinet door assembly, the magnetic lock body is mounted at the top of the box body, and when the temperature in the box body rises to the critical value of the temperature sensing assembly, the magnetic lock body and the magnetic lock head are disconnected, and the cabinet door is opened by the spring door assembly. Therefore, the effect of reducing fire caused by continuous rising of the temperature in the device is achieved.

The invention discloses a flame-retardant energy storage cable and a preparation method thereof, and relates to the technical field of energy storage cables. The flame-retardant energy storage cable sequentially comprises a copper wire bundle stranded conductor, an insulating layer, a shielding layer and an outer protective layer from inside to outside, and an outer protective layer material for forming the outer protective layer at least comprises the following raw materials in parts by mass: 45-65 parts of an olefin copolymer, 15-20 parts of a filler, 15-25 parts of a composite flame retardant, 0.1-0.5 part of an antioxidant and 0.4-0.8 part of a lubricant, the composite flame retardant is a magnesium-aluminum layered double hydroxide-arginine-ammonium polyphosphate composite flame retardant. The flame-retardant energy storage cable prepared by the invention has relatively high tensile strength and elongation at break as well as excellent flame-retardant property.

The utility model discloses a moisture-proof halogen-free low-smoke flame-retardant wire and cable, which comprises a plurality of conductors, a second filling layer is fixedly connected outside each conductor, a cold-proof layer is fixedly connected outside each second filling layer, an anti-corrosion layer is fixedly connected outside each cold-proof layer, and an anti-corrosion layer is fixedly connected outside each anti-corrosion layer. The outer side of the anti-corrosion layer is fixedly connected with a second insulating layer, the outer side of the second insulating layer is fixedly connected with a first filling layer, the outer side of the first filling layer is fixedly connected with a first insulating layer, the outer side of the first insulating layer is fixedly connected with a flame-retardant layer, and the outer side of the flame-retardant layer is fixedly connected with a damp-proof layer. The outer side of the moisture-proof layer is fixedly connected with a wrapping layer, the outer side of the wrapping layer is fixedly connected with a metal layer, and the outer side of the metal layer is fixedly connected with a low-smoke halogen-free protection layer. Through the above structure, the cable has better heat resistance and moisture resistance, can resist corrosion of some chemical agents, and does not generate toxic substances to harm body health when catching fire.

The invention relates to the technical field of intelligent data analysis, in particular to an intelligent community fire-fighting big data analysis system and method based on artificial intelligence, and the system comprises a data collection module, an artificial intelligence module, a screening module, a first determination module, a calculation module, a second determination module, a judgment module, an alarm module and an adjustment module. By monitoring combustible heaps, fire hydrant water levels and water tank water pressures of all grids in a community in real time, the system can quickly identify potential fire risks and give an alarm in time, the probability of fire occurrence is reduced, the dynamic adjustment function of the system flexibly optimizes grid spacing according to the number of abnormal grids and a preset standard, and the safety of the system is improved. The configuration efficiency of fire-fighting resources is improved, so that a community can accumulate and analyze fire-fighting data, and the problems of low accuracy and slow response of a fire-fighting safety analysis result caused by single monitoring means and insufficient real-time processing capability are effectively solved.

The invention provides a fireproof and flame-retardant wood-stone material and a preparation method thereof, and relates to the technical field of wood-stone materials. The wood-stone material comprises: 100-120 parts of stone powder, 50-80 parts of wood powder, 30-50 parts of polyvinyl chloride, 15-25 parts of flame retardant, 10-20 parts of calcium powder, 2-2.5 parts of foaming agent, 10-15 parts of foaming regulator, 5-7 parts of stabilizer, 2-5 parts of anti-impact agent, 0.6-1.5 parts of stearic acid and 0.4-0.6 parts of oxidized polyethylene wax; the flame retardant comprises a shell layer and a core layer, the main components of the shell layer are organic flame retardant and degradable resin, and the main component of the core layer is an aerosol fire extinguishing agent; the preparation method comprises: S1. raw material preparation; S2. mixing and batching; S3. extrusion; S4. molding and cooling; S5. cutting and trimming; S6. detection. The flame retardant shell layer and core layer of the flame retardant of the present invention respectively select different flame retardant / fire extinguishing components, which can not only play an excellent fire retardant role in daily use, but also play different degrees of flame retardant and fire extinguishing role in different stages of fire. The flame retardant is applied to wood and stone materials to effectively improve the fire retardant properties of wood and stone materials.

The utility model relates to the technical field of cables, and discloses a knock-resistant, water-spray-resistant and flame-retardant cable, which comprises a wire core, an insulating layer fixedly connected to the outer side of the wire core, a filling layer fixedly connected to the outer side of the insulating layer, a winding layer fixedly connected to the outer side of a braid layer, a reinforcing layer arranged on the outer side of the winding layer, and a flame-retardant layer arranged on the outer side of the reinforcing layer. A sheath is arranged on the outer side of the reinforcing layer, a protective layer is fixedly connected to the outer side of the sheath, and a supporting mechanism is arranged in the protective layer; the supporting mechanism comprises a supporting ring, a first clamping ring and a second clamping ring, and the first clamping ring and the second clamping ring are fixedly connected to the two sides of the supporting ring respectively. According to the utility model, through the cooperation of the protective layer, the first clamping ring, the second clamping ring and the supporting ring, when the cable is impacted, the first clamping ring, the supporting ring and the second clamping ring are extruded and deformed, and the first clamping ring, the supporting ring and the second clamping ring are extruded mutually, so that the impact force can be buffered, and the impact force resistance of the cable is improved.

This invention relates to a flame-retardant sprayable polyurea waterproof coating for rigid foam roofing insulation. The coating comprises component A and component B. Component A includes a modified isocyanate prepolymer. Component B includes the following components: polyether, amino chain extender, amino POSS crosslinking agent, expanded graphite flame retardant, and additives. The modified isocyanate prepolymer is obtained by reacting amino POSS, polyether polyol, and MDI. Through the compounding of component A and component B, this invention reveals that the modified isocyanate prepolymer containing a POSS cage structure, the amino POSS crosslinking agent, and the expanded graphite flame retardant synergistically and significantly improves the flame-retardant and heat-resistant properties of the coating, while also enhancing the material's hardness and adhesion, among other physical and chemical properties.

The utility model belongs to the technical field of switch panels, and particularly relates to a switch power supply panel with a reinforcing rib structure, which comprises a shell assembly, a switch assembly, a reinforcing assembly and a protection assembly, the switch assembly is arranged in the shell assembly, the reinforcing assembly is arranged in the shell assembly, and the protection assembly is arranged in the shell assembly. The protection assembly is arranged on the outer side of the shell assembly, through arrangement of the reinforcing frame, the reinforcing frame is used for protecting the outer frame of the switch assembly, meanwhile, the stability of the switch assembly during use after installation is improved through the limiting plate, and the reinforcing plate enables the shell assembly to be used for a long time, the rib height is properly increased so as to enhance the bending resistance, and the service life of the switch assembly is prolonged. According to the utility model, the structure is simple, the appearance of the shell assembly is not easy to deform, the shell assembly is provided with the installation groove for installing the reinforcing assembly, the reinforcing frame is connected with the shell assembly through bolts, stress concentration points at connection gaps are reduced, the reliability and strength of connection are improved, and the problems of accidental touch of a user and low strength are solved.

This application provides a flight device, comprising: a fuselage; and an energy storage component disposed outside the fuselage, the energy storage component including a connecting mechanism and a battery, the connecting mechanism being mounted on the fuselage; the connecting mechanism having a locked state and an unlocked state, the connecting mechanism being configured to switch between the locked state and the unlocked state, in the locked state the connecting mechanism being connected to the battery, and in the unlocked state the connecting mechanism being disengaged from the battery, thereby detaching the battery from the fuselage. With this configuration, in emergency situations such as battery spontaneous combustion, the connecting mechanism can switch to the unlocked state. Since both the connecting mechanism and the battery are located outside the fuselage, the interior of the fuselage can be effectively isolated from fire sources, while the battery can be quickly jettisoned.

The utility model discloses a chemical pipeline explosion-proof structure, and particularly relates to the technical field of chemical pipeline connection explosion-proof, the chemical pipeline explosion-proof structure comprises a first chemical pipeline and a second chemical pipeline, the outer sides of the end parts of the first chemical pipeline and the second chemical pipeline, which are contacted with each other, are respectively and fixedly provided with a flange plate, and the outer side of the outer end of each flange plate is a cambered surface; limiting grooves are formed in the middles of the inner ends of the anti-explosion connecting frames, and the two side walls of the inner ends of the limiting grooves are arc faces. Multiple sealing protection is carried out on the joint of the first chemical pipeline and the second chemical pipeline, the situation that chemical raw materials leak at the joint of the first chemical pipeline and the second chemical pipeline is effectively avoided, then the probability of fire disasters or explosions of the chemical pipelines is reduced, the fireproof and explosion-proof performance is good, and the service life of the chemical pipelines is prolonged. And the two anti-explosion connecting frames and the multiple reinforcing rods can reinforce and protect the connecting position, and the anti-explosion performance of the pipeline is further improved.

The present invention belongs to the technical field of energy storage cables, and specifically is a new energy storage cable with an automatic temperature regulation function; comprising: an insulating layer, wherein a plurality of conductors are arranged inside the insulating layer; a protective cover, wherein the outer portion of the insulating layer is wrapped with the protective cover; the new energy storage cable with the automatic temperature regulation function also comprises: a temperature regulation unit; the present invention provides a temperature regulation unit in the insulating layer inside the energy storage cable, and the temperature regulation unit can regulate the temperature inside the insulating layer by heat exchange with a coolant, thereby preventing the internal temperature of the energy storage cable from being too high or too low, thereby reducing the aggravation of heat, reducing energy loss, slowing down the aging of insulating materials, and reducing the occurrence of fire; at the same time, it also prevents the reduction of cable flexibility due to low temperature, and increases the durability of the energy storage cable.

The invention, which relates to the technical field of remote monitoring, discloses an intelligent fire-fighting remote monitoring system comprising a park environment information acquisition module, a park fire source monitoring module, a fire hazard analysis module, a fire-fighting water spraying processing module and a local database. Whether high-temperature objects appear in all areas of the park or not and whether pedestrians exist around the areas when the high-temperature objects appear or not are judged through intelligent monitoring and image analysis, corresponding operation is carried out, and therefore the areas possibly causing fire disasters can be found in time, and besides the air temperature, the air humidity and the temperature of the high-temperature objects, the fire disasters can be found in time. Meanwhile, the fallen leaf surface area and fallen leaf thickness of each high-temperature area of the park are analyzed, so that the occurrence rate of fire disasters is reduced, the safety of the park is improved, the wind direction and the wind speed value of the park are considered, fire hazards in the peripheral areas of each high-temperature area of the park can be found in time, and the safety of the park is guaranteed.

The invention relates to an arc-proof low-voltage switch, and relates to the technical field of low-voltage switches, the arc-proof low-voltage switch comprises a switch body, the front surface of the switch body is provided with an arc extinguishing mechanism, and the back surface of the switch body is provided with a rapid installation mechanism; the arc extinguishing mechanism comprises an arc extinguishing cover which is fixedly embedded in the front surface of the switch body. The arc extinguishing mechanism is arranged on the front face of the switch body, an electric arc is pulled into the arc extinguishing cover under the action of electromagnetic force, the arc extinguishing grid pieces evenly distributed in the arc extinguishing cover at intervals can rapidly divide and extinguish the electric arc generated in the on-off process of the switch, the electric arc is divided into multiple sections of short arcs after entering, and the electric arc sensor and the heat dissipation mechanism are arranged in a matched mode. The arc condition can be monitored in real time, when it is detected that an arc is generated, a driving motor is started through a control module to drive an air guide impeller to rotate, filtered air is sucked in through an L-shaped ventilation pipe, and then the filtered air is accurately conveyed into heat dissipation shells on the two sides of an arc extinguishing cover through an air guide pipe and a U-shaped flow dividing pipe.

The utility model relates to the technical field of batteries, and particularly discloses a thermoelectric separation top liquid cooling module and an energy storage system.The liquid cooling module is used for being arranged on a battery pack in a battery pack, the battery pack comprises a plurality of closely-attached batteries located in the same straight line direction, and the liquid cooling module comprises a cold row plate and a heat dissipation plate, the cold row plate is arranged at the top of the battery and extends along the arrangement direction of the battery, and a first flow channel for circulating flow of cooling liquid is arranged in the cold row plate; the positive and negative electrode connecting piece is used for being connected with a battery tab; and a plurality of heat conduction assemblies are arranged along the arrangement direction of the batteries, one end of each heat conduction assembly is connected with the positive and negative electrode connecting piece, and the other end of each heat conduction assembly is connected with the cold row plate. The possibility that the temperature of the end face of the battery rises sharply can be reduced.

This patent introduces a power distribution switch control cabinet capable of preventing and protecting against fires, facilitating timely response to any fires that may occur. This structure is named a fireproof power distribution switch control cabinet. In this fireproof power distribution switch control cabinet, several cooling fans dissipate high internal temperatures through several cooling grids, preventing heat accumulation and the generation of a fire. When the smoke sensor and the fire detection device detect smoke and open flames, they activate several exhaust fans at the top and the high-pressure powder storage box at the bottom, extinguishing the open flames inside through the powder spraying pipe and several powder spraying holes. Simultaneously, the exhaust fans reverse to create negative pressure inside, discharging the smoke through the exhaust stack.

This utility model discloses an explosion-proof and flame-retardant liquid-cooled high-voltage automotive cable and its cable sheathing equipment. The cable includes a liquid-cooling pipe, a bare copper conductor, a wrapping layer, an explosion-proof tin-plated braided copper mesh, and a polyolefin insulation layer; the liquid-cooling pipe is located in the center of the cable. The cable sheathing equipment is a screw extruder, and the extrusion die is a double-layer die, including an inner die tube and an outer die tube. This utility model can effectively improve the cooling efficiency of the cable by setting up the liquid-cooling pipe, reducing the risk of fire caused by cable overload during the operation of electric vehicles, and improving the safety of electric vehicle operation. The cable sheathing equipment provided by this utility model, through the setting of the double-layer extrusion die, can effectively reduce the risk of compression deformation of the liquid-cooling pipe during the extrusion operation, ensuring the cooling efficiency of the cable.