230results about How to "Reduce fire" patented technology

The invention relates to a high-temperature-resistant nylon engineering plastic and a preparation method thereof, and belongs to the technical field of high polymer materials. The high-temperature-resistant nylon engineering plastic comprises the following components in parts by weight: 80-120 parts of nylon resin, 4-6 parts of inorganic filler, 4-6 parts of glass fiber, 2-10 parts of a heat-resistant modifier, 1-2 parts of a coupling agent, 1-3 parts of polyethylene wax, 0.5-1.5 parts of an antioxidant and 1-2 parts of a flame retardant, carbonyl and maleimide groups of the heat-resistant modifier strengthen intermolecular interaction and improve the glass transition temperature and the melting point, intermediate products 1 and 2 strengthen high temperature resistance, in addition, sulfonyl attracts electrons to strengthen thermal stability, tetrahydrofuran ring and acrylate are resistant to decomposition, and stability and water resistance are improved; boron and nitrogen of the flame retardant cooperate, a B-O-C carbon layer is formed at high temperature, flame-retardant gas is released, the flame-retardant property is remarkably improved, and the high-temperature-resistant nylon engineering plastic prepared by the preparation method has good high-temperature-resistant and water-resistant effects and also has excellent flame-retardant property.

The invention relates to an anti-static PP composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. The antistatic PP composite material is prepared from the following components in parts by weight: 60 to 80 parts of PP resin, 10 to 20 parts of glass fiber, 0.1 to 0.5 part of a lubricant, 0.3 to 2 parts of a modified antistatic agent, 0.5 to 1.5 parts of a modified flame retardant and 0.2 to 0.8 part of an antioxidant, in the modified antistatic agent, an alkanolamide bond intermediate forms a conductive film, so that the resistivity is reduced, static dissipation is promoted, the material is endowed with lubricity, and the generation of static electricity is reduced; in addition, maleic anhydride forms a conductive layer and cooperates with quaternary ammonium salt to enhance hydrophilicity and accelerate charge transfer; a piperazine pyrophosphate derivative in the modified flame retardant and a phosphorus-nitrogen flame retardant cooperate to construct an expanded carbon layer to isolate a fire source and oxygen, so that the service life is prolonged; the anti-static PP composite material prepared by the invention not only has a good anti-static effect, but also has excellent flame-retardant and tensile properties.

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 belongs to the technical field of energy storage cables, and particularly relates to a new energy energy storage cable with an automatic temperature adjusting function. Comprising an insulating layer, and a plurality of conductors are arranged in the insulating layer; the outer part of the insulating layer is wrapped with the protective sleeve; the new energy storage cable with the automatic temperature adjusting function further comprises a temperature adjusting unit. According to the energy storage cable, the temperature adjusting unit is arranged in the insulating layer in the energy storage cable, and the temperature adjusting unit can adjust the temperature in the insulating layer in a cooling liquid heat exchange mode, so that the temperature in the energy storage cable is prevented from being too high or too low, heat increase is reduced, energy loss is reduced, aging of the insulating material is slowed down, and the service life of the energy storage cable is prolonged. Fire disasters are reduced; and meanwhile, the cable flexibility reduction caused by low temperature is prevented, and the durability of the energy storage cable is improved.

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 invention relates to a halogen-free flame-retardant TPU composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. The halogen-free flame-retardant TPU composite material is prepared from the following components in parts by weight: 3 to 10 parts of a modified flame retardant, 2 to 10 parts of phenoxy cyclophosphazene, 80 to 100 parts of TPU particles, 90 parts of N, N-dimethylformamide, 0.8 to 1.2 parts of an ultraviolet light absorber and 2.5 to 3.5 parts of a lubricating agent, in the modified flame retardant, ammonium polyphosphate is heated into polyphosphoric acid, heat insulation and flame retardance are achieved, the comprehensive performance of the material is improved, and a quaternized structure and a carbamate bond synergistically enhance the flame retardance and heat resistance of the material; in the ultraviolet light absorber, cyanuric chloride and benzotriazole intermediates absorb ultraviolet rays, so that the damage of the ultraviolet rays to the material is reduced, and the ageing resistance and the toughness are enhanced; the halogen-free flame-retardant TPU composite material prepared by the invention not only has good flame-retardant and heat-resistant effects, but also has excellent ultraviolet resistance.

The invention discloses a fireproof prefabricated cabin with a transformer substation quick separation function and a prefabricated cabin transformer substation. The invention discloses a fireproof prefabricated cabin with a transformer substation quick separation function. The cabin body is arranged at the top of the base, two moving devices are fixedly connected to one side of the cabin body, door bodies are fixedly connected to the outer walls of the two moving devices, door columns are fixedly connected to one sides of the door bodies, and fixing buckles are fixedly connected to the outer walls of the door columns; the roof is mounted at the top of the cabin body; the conversion mechanism is arranged on the cabin body and is configured to drive the cabin body to move up and down relative to the base; and the driving mechanism is arranged on the conversion mechanism, and the driving mechanism is configured to drive the conversion mechanism to move. The use safety is improved.

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 invention belongs to the technical field of electric power engineering, and particularly discloses an environment-friendly power supply cable heat dissipation device which comprises a bottom plate, two supports are fixedly connected to the upper side of the bottom plate, a protective shell is fixedly connected to the middles of the two supports, and a mounting shell is fixedly connected to the interior of the protective shell. A first partition plate is arranged between the protective shell and the mounting shell, the outer side of the mounting shell is sleeved with a cooling pipe, the left portion of the upper side of the bottom plate is fixedly connected with a water storage tank and a water pump, and the middle of the upper side of the bottom plate is fixedly connected with a mounting column. According to the invention, heat generated by the cable can be effectively and rapidly taken away, an overheating phenomenon is prevented, the cable is ensured to work in a safe range, the flow of cooling liquid is automatically adjusted according to real-time temperature change through an optimized cooling liquid circulation system, and the optimal heat dissipation effect can be ensured to be kept under different working conditions.

The invention provides a low-voltage transformer area electric leakage detection positioning method and device, a storage medium and equipment, and the method comprises the steps: outputting a characteristic current signal by a host according to a preset frequency, and inputting the characteristic current signal to a leakage transformer area line through a coupling clamp to form a characteristic current circulation; the first slave machine detects the characteristic current circulation of a high detection point of the leakage area, and determines a fault point according to the characteristic current circulation; the second slave machine detects the characteristic current circulation of the low detection point of the leakage area, and determines a fault point according to the characteristic current circulation; and the processor receives fault point information sent by the first slave and the second slave, and records specific fault point information of electric leakage of the low-voltage transformer area. Through cooperation of the low-voltage electric leakage detection and positioning system, electric leakage detection and fault point positioning of the low-voltage transformer area are rapidly realized under the condition of uninterruptible power supply, the electric leakage detection efficiency of the low-voltage transformer area is improved, and the influence of electric leakage detection on normal power utilization of a user is reduced.

The invention belongs to the technical field of seamless steel pipe head cutting, and particularly relates to a seamless steel pipe head cutting device. Comprising a workbench, and a groove is formed in the center of the workbench; a support is fixedly connected to the top of one end of the workbench, a first telescopic rod is installed on the support, and a saw cutting device is installed at the bottom of the first telescopic rod and can cut a seamless steel pipe. A plurality of clamping units are arranged on the workbench and located on the two sides of the groove, and the multiple clamping units are matched to clamp the seamless steel pipe. A cleaning unit; the cleaning unit is arranged on the workbench, and the cleaning unit can clean the cut part of the seamless steel pipe so as to remove flaws of the cut part of the seamless steel pipe; and cleaning is conducted before cutting, impurities and oil stains are removed, the influence of the impurities on the cutting quality is reduced, and fire disasters are also reduced.

The invention relates to the technical field of charging pile load detection, and discloses a charging pile abnormal load detection system comprising a data acquisition module which is responsible for acquiring voltage and current data in real time from an electricity meter integrated with a charging pile and calculating a power factor; and the data analysis and judgment module is used for analyzing and judging whether the current load is an abnormal load or not according to the collected voltage, current and power factor data. According to the method, the existing hardware design does not need to be changed, and the required functions can be realized only by software upgrading, so that the implementation and maintenance cost is greatly reduced, and the performance and the safety of the charging pile can be improved under the condition that an enterprise does not increase extra hardware investment.

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 present invention belongs to the technical field of polyether polyol preparation, and specifically relates to dicofol flame retardant polyether polyol and its preparation method and application. The dicofol flame retardant polyether polyol of the present invention is obtained by polymerizing dicofol and polyol as mixed initiators with alkylene oxide under the action of a composite catalyst; the polyol is one or more of sucrose, solid sorbitol, 1,4-butanediol, triethanolamine, diethylene glycol, glycerol, hexylene glycol and propylene glycol. The dicofol flame retardant polyether polyol of the present invention has good flame retardant properties and activity and high mechanical strength. The present invention also provides its preparation method and application in rigid polyurethane foam.

The utility model discloses an oil field pipeline conveying safety valve, which belongs to the technical field of safety valves and comprises a first outer shell and a third outer shell which form the oil field pipeline conveying safety valve, a second power device is mounted on the upper side of the third outer shell, and the output end of the second power device is fixedly connected with a third connecting block. The end, away from the second power device, of the third connecting block is fixedly connected with a second blocking valve in sliding connection with the third outer shell, the side edge of the second blocking valve is rotationally connected with a connecting plate, the side edge of the connecting plate is rotationally connected with a rotating shaft, and the end, away from the second blocking valve, of the connecting plate is rotationally connected with a fixing plate. According to the device, after a first blocking valve blocks an oil field conveying pipe body, a second power device drives a second connecting block to move, drives a second blocking valve to move, drives the angle of a connecting plate to change and drives a fixing plate and a clamping plug to move, and petroleum is conveniently conveyed into a collecting box.

The utility model belongs to the field of camera accessories, and particularly relates to a battery cover waterproof structure of a detachable battery of a camera, which comprises a rotary bracket assembly and a battery cover, wherein the rotary support assembly is hinged to an opening of the battery compartment, a waterproof ring is arranged on the bottom side of the rotary support assembly, and when the rotary support assembly rotates to cover the opening of the battery compartment, the waterproof ring is attached to the edge of the opening of the battery compartment; guide rails are arranged on the top side of the rotary support assembly. The periphery of the battery cover is provided with a boss buckled with the edge of the opening of the battery bin, the back face of the battery cover is provided with a guide groove matched with the guide rail, the battery cover is guided through the guide rail, the rotary support assembly provides pre-tightening force for pressing the waterproof ring through the guide groove, and after the waterproof performance of the battery cover capable of replacing the battery is improved, the safety of outdoor use can be improved.

A constant pressure and thickness self-adaptive adjusting device suitable for a transverse terminal comprises a cuboid peripheral rack, and rack assemblies arranged side by side are arranged in the rack. A water tank assembly is arranged at the bottom of the machine frame assembly, a feeding component and probe movement air cylinders opposite left and right are arranged on the top of the water tank assembly, the probe movement air cylinders are connected with a probe adaptation mechanism, a constant pressure tray assembly is arranged on the upper surface of the feeding component, and a battery is arranged in the constant pressure assembly which is connected with an electric cylinder capable of adjusting pressure. The battery expansion is realized in a restrained state, so that the probe moves along with the expansion of the battery, the probe can be suitable for supplied batteries with different thicknesses, the contact between the probe and a battery pole is good, and the influence on the charging and discharging of the battery caused by the displacement of the battery pole and the probe due to the expansion in the charging and discharging process of the battery is also avoided. And aiming at possible fire, the battery tray quickly falls into the water tank when the fire extinguishing alarm is triggered, so that the damage to equipment caused by a conventional fire extinguishing mode can be reduced. Therefore, fire disasters can be avoided, and potential safety hazards of the fire disasters are avoided.

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 discloses an aluminum shell power battery top cover plate, a battery and a battery pack thereof, the top cover plate comprises a top cover base plate, two sides of the top cover base plate are provided with a positive pole and a negative pole, the top cover base plate is provided with fire extinguishing holes close to the end part, the bottom of the top cover base plate is provided with an insulating part, the insulating part is provided with a sealing structure, and the sealing structure is connected with the top cover base plate. The sealing structure is located at the bottom of the fire extinguishing hole, an anti-explosion valve is arranged in the center of the bottom of the top cover base plate, and a fire extinguishing hole metal component is further arranged on the fire extinguishing hole. The top cover is provided with the fire extinguishing hole structure, compared with external liquid cooling for preventing heat propagation of the battery cell, the heat propagation inhibiting effect is higher, a fire extinguishing agent can be directly injected into the battery cell, the initial stage fire hazard of out-of-control of the battery is conveniently extinguished, and the fire extinguishing holes are formed in the two sides of the base plate of the top cover, so that the multi-loop fire extinguishing effect is achieved.

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 present invention relates to the field of cables, and discloses a safe and environmentally friendly power cable with rapid heat dissipation, which solves the problem of cable fire caused by excessive cable temperature. The cable cable comprises a plurality of cable cores and a shielding layer wrapped together on the outside of the plurality of cable cores, a heat dissipation layer group is arranged on the side of the shielding layer away from the cable core, and an insulating layer and a protective cover are sequentially stacked from the inside to the outside on the side of the heat dissipation layer group away from the shielding layer; the heat dissipation layer group comprises a first heat-conducting layer and a second heat-conducting layer arranged at intervals, the first heat-conducting layer is wrapped on the side of the shielding layer away from the cable core, a plurality of first heat sinks are arranged between the first heat-conducting layer and the second heat-conducting layer, the first heat sinks are distributed radially along the cable core, and the two ends of the first heat sinks are respectively fixedly connected to the first heat-conducting layer and the second heat-conducting layer. The present invention performs multiple heat conduction and heat dissipation on the heat of the cable core through the first heat dissipation layer group, so that the cable core dissipates heat in time, reduces the possibility of the cable catching fire due to excessive cable core temperature, and improves the safety performance of the cable.

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.