53 results about "Self heating" patented technology

The invention provides a self-heating anti-freezing drainage pipeline system for a plateau permafrost region and a control method of the self-heating anti-freezing drainage pipeline system, and belongs to the technical field of engineering drainage in cold regions. According to the self-heating anti-freezing drainage pipeline system for the plateau permafrost region and the control method of the self-heating anti-freezing drainage pipeline system, the self-heating anti-freezing drainage pipeline system comprises a self-heating pipeline module, an energy supply module and an intelligent control module, and the self-heating pipeline module comprises a pipeline body and an integrated electric heating layer. By arranging the pipeline system composed of the self-heating pipeline module, the energy supply module and the intelligent control module, the integrated effect of energy self-supply, intelligent sensing and active anti-freezing in the plateau frozen soil area without the power grid is achieved, the unfreezing rate is calculated through captured data through configuration of the intelligent control module, and the unfreezing efficiency is improved. The parameter dynamically reflects the efficiency of freezing and melting, so that the system can accurately put energy based on the efficiency, and the problems of energy dependence and anti-freezing reliability are fundamentally solved.

The utility model provides a heating assembly and an electronic atomization device, the heating assembly comprises a support and a heating body, and one side of the support is provided with an atomization groove penetrating to the two ends in the axial direction; the heating body comprises a heating part covering the atomizing groove and two supporting parts arranged at the two ends of the heating part in the extending direction of the atomizing groove, each supporting part is bent and extends along the periphery of the support from the heating part, and the supporting parts and the support are fixedly assembled. The heating body comprises a heating part which covers the atomization groove and is used for providing heat and further comprises two supporting parts which are arranged on the two sides of the heating part in the extending direction of the atomization groove, each supporting part is attached to the periphery of the support and extends in a bent mode, the supporting parts and the support are fixedly assembled, and therefore the whole heating body and the support can be fixedly assembled, and the heating effect is improved. The structural stability of the heating body can be ensured through the supporting part, and the heating part is prevented from deforming, warping and the like; the transverse size of the heating body is reduced, the compactness of the overall structure of the heating assembly is improved, and miniaturization design can be achieved conveniently.

This invention relates to the field of cable technology, and in particular to a self-heating phase change energy storage winding charging cable and its preparation method. From the inside out, the cable comprises a conductor core, an insulation layer, a spiral tensile thermally conductive skeleton, a phase change energy storage thermally conductive layer, a PTC self-regulating heating layer, a thermal insulation layer, and an outer sheath layer. The spiral tensile thermally conductive skeleton is integrally formed with radial thermally conductive fins. A high thermal conductivity carbon fiber mesh is embedded inside the phase change energy storage thermally conductive layer. A temperature sensing layer is provided between the PTC self-regulating heating layer and the phase change energy storage thermally conductive layer. The thermal insulation layer has a double-layer composite structure, and an anti-freeze and wear-resistant buffer layer is provided on the inner side of the outer sheath layer. All layers are coaxially integrated and tightly bonded, forming a closed-loop energy management system. This invention provides long-lasting power-off insulation, completely solving the problem of winding in extremely cold conditions; uniform heating without overheating, significantly improving safety performance; energy saving and consumption reduction, lowering usage and production costs; enhanced mechanical properties, suitable for extremely cold winding scenarios; and intelligent integrated control, requiring no manual intervention.

The invention discloses a heating system and a heating method for simulating a water loss accident, and belongs to the technical field of nuclear fuel circulation and irradiation effect research, the heating system comprises a fuel rod, the fuel rod comprises a fuel cladding and a fuel core body, the fuel rod is arranged in a quartz tube sample cavity, the whole fuel rod is arranged in a reaction furnace body, and an infrared temperature detector monitors the temperature in real time through a peep window; and data is fed back to the processing box to dynamically adjust power output. The fuel rod is used as a resistance material, low-voltage alternating current is applied, self-heating is achieved through the Joule effect, heat transfer lag of a traditional heating mode is eliminated, the infrared temperature detector monitors the temperature in a non-contact mode through the squint window and feeds back the temperature to the processing box in real time to dynamically adjust power output, and closed-loop control is formed. And the ultrafast temperature rise requirement under the water loss accident working condition is accurately simulated.

The utility model discloses a self-heating life jacket which comprises a life jacket body and a self-heating device, the life jacket body is provided with a containing cavity, the self-heating device comprises a chemical material heating assembly and a seawater battery heating assembly, and the chemical material heating assembly and the seawater battery heating assembly are arranged in the containing cavity. The outer walls of the chemical material heating assembly and the seawater battery heating assembly are respectively contacted with the life jacket main body so as to transfer heat to the life jacket main body. According to the self-heating life jacket provided by the utility model, the self-heating device of the life jacket can be quickly started in a dual-heating mode, and the technical problems that the existing self-heating life jacket is long in response time, so that the starting time is longer, and rescue is not facilitated are solved.

The invention relates to the technical field of lithium battery production, in particular to a heat preservation box for low-temperature testing of a lithium manganate single battery cell, a testing method and a device. The heat preservation box comprises a shell used for containing the lithium manganate single battery cell, and the shell at least covers a main body area, except for an external electric connection part, of the battery cell; the lining layer is arranged on the inner surface of the shell and is made of an aerogel material; the shell layer is arranged on the outer side of the lining layer and is made of plastic or a composite foaming material. According to the invention, the normal form of a traditional single-cell low-temperature test is fundamentally changed, a heat insulation environment similar to the interior of the Pack is constructed for the single cell by introducing the aerogel heat preservation box, and spontaneous heat generated when the cell works can be effectively accumulated. Therefore, the thermal behavior of the Pack is accurately simulated on the single cell level, and the temperature deviation between the traditional test and the practical application is thoroughly avoided.

The invention discloses a multi-sensor fusion intelligent metering box state monitoring method and device. A plurality of intelligent metering boxes are divided into a plurality of distance groups according to the distance relation between position information; dividing the distance group into a plurality of temporary energy consumption groups according to the size relationship between the energy consumption information within a preset time length; receiving temperature information sent by the communication modules in the plurality of intelligent metering boxes in the temporary energy consumption group within a preset time length, and judging whether temperature abnormity occurs or not according to the difference between the plurality of pieces of temperature information; according to the multi-sensor fusion intelligent metering box state monitoring method and device provided by the invention, the energy consumption of the intelligent metering boxes in the temporary energy consumption group is approximate, so that the self heating of the plurality of intelligent metering boxes in the temporary energy consumption group is approximate; at the moment, the temperature information difference of different intelligent metering boxes in the temporary energy consumption group reflects whether the temperature of a single intelligent metering box is normal or not.

The utility model provides a self-heating bag detection device. The utility model relates to a self-heating bag detection device which comprises an outer shell, an inner shell, a top cover, a clamping assembly and a thermometer. The inner shell is detachably arranged in the outer shell; the top cover detachably covers the top of the outer shell, and a space used for sealing the inner shell can be defined by the top cover and the outer shell. The clamping assembly is arranged on the face, facing the inner shell, of the top cover. The thermometer is arranged on the side wall of the outer shell in a penetrating mode, and the measuring end of the thermometer abuts against the inner shell. The self-heating bag detection device provided by the utility model can accurately detect the heating performance of the self-heating bag.

The utility model discloses a detachable self-heating baking tray, and relates to the technical field of household appliances. The baking tray comprises a base and a baking tray body, the base comprises two buttons, the outer surfaces of the buttons are in sliding connection with the interior of the base, a first buckle is fixedly connected to the side, close to the center of the base, of each button, a supporting frame is fixedly connected to the side, close to the first buckle, of the inner wall of the base, and the bottom of each first buckle is in sliding connection with the top of the supporting frame. The bottom of the baking tray is fixedly connected with a second buckle, and the outer surface of the second buckle makes contact with the outer surface of the first buckle. By arranging the button, specifically, when the baking tray needs to be cleaned, the button is pressed, the button slides in the base, meanwhile, the first buckle slides on the top of the supporting frame, the first buckle is separated from the second buckle, then the baking tray is lifted upwards to be taken down, and the baking tray is detachably arranged, so that the baking tray is more convenient to clean when needing to be cleaned; the frying and baking machine solves the problems that most existing frying and baking machines are of fixed structures, and baking trays are inconvenient to clean.

The invention discloses a self-heating material and a preparation method and application thereof, and relates to the field of self-heating products. The self-heating material comprises the following raw materials in parts by weight: 38-41 parts of iron powder, 9-11 parts of activated carbon, 12-15 parts of silane modified diatomite, 3-4 parts of super absorbent resin, 1.0-1.5 parts of sodium chloride and 30-35 parts of water. The super absorbent resin is prepared from the following raw materials: acrylic acid, acrylamide, a cross-linking agent, diatomite, white carbon black and an initiator. The self-heating material has the heating effects of quick start and long-term endurance, the material is prevented from being thick and heavy, and the wearing comfort of the product is improved.

A self-heating steam generator with an emergency discharge function includes a self-heating unit. The self-heating unit includes a self-heating container for storing fluidic active materials and reaction fluids, serving as a reaction chamber. The self-heating container is characterized by a discharge port for discharging the reaction fluid, and a discharge device located at the discharge port for opening and closing the port. The discharge device includes a discharge button and a discharge valve. The discharge valve is located at the discharge port. The discharge button is exposed or embedded in the self-heating container and is connected to the discharge valve via a connector, used to control the opening and closing of the discharge valve by pressing the discharge button. This self-heating steam generator with an emergency discharge function stops the exothermic reaction in an emergency.

This invention discloses a method for optimizing airflow organization to prevent condensation in a converter cabinet, comprising: arranging miniature infrared thermal imaging and high-frequency humidity sensors inside the cabinet to periodically collect data and generate a thermo-humidity coupled cloud map; identifying local airflow stagnation areas in real time based on the cloud map; adjusting the morphology of the biomimetic adaptive airflow guiding structure to directionally guide airflow to the stagnation area; employing ultrasonic atomization-electrostatic adsorption synergistic dehumidification to treat humid air, and utilizing the self-heating of surrounding components and a phase change heat storage layer to maintain the area temperature above the dew point; constructing a digital twin model to predict potential stagnation areas and generating a pre-control scheme to adjust the airflow guiding structure, phase change layer, and dehumidification parameters in advance; detecting the condensation amount on the surface of easily condensing components, and blowing away droplets through local airflow nozzles when a threshold is reached. This invention can accurately identify and eliminate airflow stagnation, effectively suppress condensation formation, avoid insulation degradation and circuit short circuits, and improve the operational stability and component life of the converter cabinet in high humidity environments.

The utility model belongs to the production technology field of self -heating packing bag, propose a kind of production equipment of self -heating packing bag, including base and heat sealing machine, one side of base top is equipped with a pair of unwinding roller by support, the other side of base top is equipped with winding roller, heat sealing machine is installed at the position of base top close to winding roller, the position of base top is equipped with tensioning mechanism between heat sealing machine and a pair of unwinding roller, the position of base top is equipped with cutting mechanism between heat sealing machine and tensioning mechanism, cutting mechanism includes second mount pad, second mount pad is installed at the position of base top close to heat sealing machine, the top of second mount pad is equipped with second sliding slot, second sliding slot is equipped with the second sliding block of sliding installation, the top of second sliding block is equipped with several open hole cone. The production equipment of self -heating packing bag, simple and reasonable structure, novel design, easy operation, with higher practicality, it is convenient to widely use.

The invention discloses a super-hydrophobic composite coating and a preparation method thereof. The super-hydrophobic composite coating comprises a bonding layer and a super-hydrophobic layer located on the surface of the bonding layer. The super-hydrophobic layer comprises hydrophobic micron particles and hydrophobic nano particles; the mass of the hydrophobic micron particles accounts for 30%-40% of the mass of the super-hydrophobic layer; the mass of the hydrophobic nanoparticles accounts for 60-70% of the mass of the super-hydrophobic layer; the hydrophobic micron particles and / or the hydrophobic nano particles comprise self-heating particles; the self-heating particles release heat when encountering water. The super-hydrophobic composite coating has the super-hydrophobic performance and the self-heating characteristic, so that the effects of delaying icing and melting ice are achieved, the problem that a power transmission line is prone to icing / icing in extremely cold or wet cold areas is solved, and the operation safety and stability of the power transmission line are guaranteed.

The invention belongs to the technical field of self-heating products, and particularly relates to a self-heating membrane core which is stable in heating and long in duration and a preparation process of the self-heating membrane core. Comprising the following steps: filling modified polytetrafluoroethylene with magnetic particles; preparing a shell-core fiber water guide agent; preparing a self-heating sheet core; preparing a heat-stabilizing electrolyte, guiding current, and pressing the self-heating sheet. According to the method, magnetic particle filling modified polytetrafluoroethylene is prepared and serves as a binder of the spontaneous heating sheet, and high shearing force is applied to the magnetic particle filling modified polytetrafluoroethylene for fibration by controlling the rotating stirring speed and the magnetic field size of a high-speed airflow shearing machine; according to the preparation method, polytetrafluoroethylene can fully construct a strong and continuous three-dimensional fiber network, all active substances, conductive agent particles and the like are firmly wrapped in the three-dimensional fiber network, and the prepared self-heating sheet core is high in composite strength and has good heating stability and heating durability.

The long-sleeve T-shirt with the self-heating structure comprises a plurality of clothes cloth pieces which are connected in a sewing mode and form a main body frame of the clothes, and each cloth piece of the clothes internally comprises an inner surface layer, a heating fiber layer, a heat storage fiber layer, a carbon felt grinding layer and an outer surface layer. The multiple layers of materials form a cloth structure in a composite mode, heat preservation and temperature control are carried out in a heat transfer mode, and in the actual application process, the inner surface layer, the heating fiber layer, the heat storage fiber layer, the carbon felt grinding layer and the outer surface layer which are sequentially arranged jointly form a temperature control system with the internal heat transfer function, the moderate heat heating and heat preservation function and the external heat insulation function. Compared with the prior art, the long-sleeve T-shirt with the self-heating structure has the advantages that the long-sleeve T-shirt fits the human body, the warm keeping effect is better, the structure of the long-sleeve T-shirt with the self-heating structure can be effectively optimized, and human health is guaranteed.

The embodiment of the utility model provides a heating door and window which comprises an inner layer structure, a heating layer, an electrode and an outer layer structure, and the heating layer is a conducting film which is formed on the surface of the inner layer structure by semiconductor metal oxide through vacuum coating. The heating layer is used for performing electric-heat conversion when being electrified; the electrodes are arranged on two sides of the heating layer, are connected with a power supply and are used for electrifying the heating layer; the outer-layer structure and the inner-layer structure are arranged at an interval, the outer-layer structure and the inner-layer structure are fixedly connected to form the integrated structure heating door and window, and a gap between the outer-layer structure and the inner-layer structure is sealed to form a vacuum space. According to the heating door and window, the heating layer can be used for self-heating to provide heat, the vacuum space between the outer layer structure and the inner layer structure can effectively block heat transfer, and heat preservation is conducted.

1. Name of the design product: shoe pad (self-heating auxiliary medicine permeable). 2. Use of the design product: shoe pad for placing inside shoes, which is self-heating and auxiliary medicine permeable. 3. Design points of the design product: combination of shape and pattern. 4. Picture or photo best indicating the design points: assembly 2 perspective view. 5. Assembly description of other circumstances requiring explanation: the design product is a thin product, and the left and right elevation views of assembly 1 and assembly 2 are omitted.

The invention belongs to the technical field of concrete, and discloses low-temperature self-heating concrete and a preparation method thereof. The low-temperature self-heating concrete is prepared from the following raw materials in parts by mass: 380 to 450 parts of cement, 15 to 25 parts of composite metal oxide, 8 to 12 parts of fused salt-hydrated salt composite phase change material, 50 to 70 parts of steel slag micro powder, 5 to 10 parts of nano SiO2, 680 to 850 parts of sand, 1000 to 1100 parts of stone, 5 to 8 parts of water reducing agent and 150 to 170 parts of water. The low-temperature self-heating concrete disclosed by the invention can realize precise stepped heat release for more than 65 hours, and effectively promotes the development of the concrete strength under the low-temperature condition, so that the concrete is prevented from freezing injury, and the concrete has good durability.

The invention discloses a fault early warning method, device and equipment for a power distribution system and a storage medium, is applied to an integrated monitoring device, and relates to the technical field of electric power, and the method comprises the steps: determining a target real environment temperature based on the chip working current and load parameters of the integrated monitoring device through employing a target thermal metabolism model; performing multi-dimensional feature extraction on circuit information of a power distribution loop in the power distribution system to obtain a load behavior fingerprint, obtaining a preset load feature template issued by the cloud platform, and determining a target load feature based on a matching result of the load behavior fingerprint and the preset load feature template; determining micro-power flow characteristics by using a preset impedance harmonic model based on the output variation and the power flow direction of the distributed power supply accessed to the power distribution system; and determining a fault early warning result based on the target real environment temperature, the target load characteristics and the micro-power flow characteristics by using a preset fault evaluation model. Deviation of fault prediction of the power distribution system caused by self heating of the monitoring device is avoided.

The application discloses a kind of high-efficiency heat dissipation's wood home self-heating plate structure and preparation method thereof, comprising: carbon nanotube / aluminum nitride / boron nitride modifier preparation;Wood substrate pretreatment: wood veneer is completely immersed in sodium chlorite solution, hydrothermal treatment, washing, freeze, vacuum drying, and wood substrate template is obtained;Wood substrate template is immersed in carbon nanotube / aluminum nitride / boron nitride modifier, and it is taken out after impregnation treatment, and high thermal conductivity substrate is obtained after solidification;Self-heating plate assembly: milling two grooves as lower substrate on the surface of high thermal conductivity substrate, milling two convex strips as upper substrate on the surface of high thermal conductivity substrate, spraying or spraying adhesive, and lower substrate, electrothermal film, copper foil electrode, upper substrate are sequentially stacked from bottom to top.The application has the advantages of high-efficiency heat dissipation performance, high structural stability, electrode does not shift in the process of assembly hot-pressing and process feasibility.

The present application relates to the field of chemical heat generating material, in particular to a built-in self-heating food heating agent and a preparation method thereof.The built-in self-heating food heating agent provided by the present application comprises a solid phase reaction agent, the solid phase reaction agent comprises 65-85 parts of magnesium powder, 10-30 parts of iron powder and 2-10 parts of modified auxiliary agent by mass fraction; a liquid phase reaction agent, the liquid phase reaction agent comprises 200-300 parts of a salt aqueous solution with a concentration of 5%-20% w / w by mass fraction.By separating the hygroscopic electrolyte salt which is easy to cause reaction from the solid phase reaction agent completely, the solution is separately packaged.The solid phase reaction agent is only a mixture of magnesium powder, iron powder and modified auxiliary agent, and is not sensitive to air humidity without contacting the salt solution, which fundamentally eliminates the internal micro-battery reaction caused by salt moisture absorption, completely eliminates the safety hazards such as spontaneous heating, bag swelling and explosion during storage and transportation, and significantly prolongs the shelf life of the product.

This invention provides a heat-insulating, scalding-proof, and heat-preserving plastic-free coffee cup and its preparation method. The cup includes a hollow cup body with a long, strip-shaped thermochromic stripe attached along its height to indicate the temperature of the liquid inside. A trigger-activated self-heating cup sleeve is detachably fitted onto the outside of the cup body. The trigger-activated self-heating cup sleeve includes a sleeve body with a receiving cavity. Within the receiving cavity of the sleeve body, there is an upper water storage layer and a lower heating material layer. A sealing membrane is provided between the upper water storage layer and the lower heating material layer. When a piercing structure punctures the upper water storage layer and the sealing membrane, water in the upper water storage layer enters the lower heating material layer, thereby igniting the heating material in the lower heating material layer. This invention uses a cup body with a hollow cavity and an thermochromic stripe attached to the cup body to indicate the temperature of the liquid inside, achieving a heat-insulating and scalding effect. Simultaneously, the trigger-activated self-heating cup sleeve on the outside of the cup provides heat preservation.

The present application relates to coal gangue sintering technical field, especially to a kind of coal gangue self-heating segmented temperature control sintering device and sintering method thereof, including kiln main body, kiln main body is sequentially set as preheating section, transition section, main sintering section and cooling section along coal gangue conveying direction, further include air distribution mechanism, it is set in main sintering section, including the side part air inlet piece distributed in the both sides of kiln main body, the top air inlet piece being set in the top of kiln main body and the bottom air inlet piece being set in the bottom of kiln main body, side part air inlet piece, top air inlet piece and bottom air inlet piece jointly constitute the three-dimensional air distribution structure around the main sintering section in kiln main body, the present application is by setting the three-dimensional air distribution structure by side part, top, bottom air inlet piece in main sintering section, and combining temperature monitoring unit and central controller arranged at multiple points, realize the independent, accurate control of the air supply amount of different areas in kiln, solve the problem of uneven section temperature, edge overburning and central clinkering caused by traditional single-side air supply.

The utility model discloses a far-infrared self-heating warm-storage comfortable elastic fabric, which relates to the field of fabrics and comprises a waterproof layer, a heat preservation layer, a moisture absorption layer, a reflecting layer and a far-infrared heating layer. A heat preservation layer is arranged below the waterproof layer, a moisture absorption layer is arranged below the heat preservation layer, a reflection layer is arranged below the moisture absorption layer, and a far infrared heating layer is arranged below the reflection layer. According to the far-infrared self-heating warm-storage comfortable elastic fabric, the far-infrared heating layer is arranged on the lowermost layer closest to the skin, so that far-infrared rays can be radiated, and self-heating is realized; heat and moisture generated by the far-infrared heating layer and human body movement can pass through the reflecting layer when moving upwards, and a nano-silver coating of the reflecting layer can reflect part of heat energy to achieve a warm-keeping effect; moisture and other heat can make contact with the moisture absorption layer through gaps of the reflecting layer, graphene fibers of the moisture absorption layer can absorb the moisture, and due to the fact that graphene has good air permeability, redundant heat can be continuously discharged upwards.

1. The name of the design product: self-heating solution bag (Zhongyutengchao). 2. The use of the design product: the two ends of the design product can be linked to each other to form different patterns, and the metal sheet can be broken. After the solution in the bag is solidified and heated, the warming and insulation function is realized. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This application discloses a low-temperature insulation sleeve for drone batteries, relating to the field of battery insulation technology. Its key technical features include: a flexible protective sleeve made of double-layered fabric; the outer fabric is the outer protective layer, and the inner fabric is the inner insulation layer; the inner insulation layer contains an independent pocket for installing a self-heating module; the upper end of the flexible protective sleeve has a battery placement opening communicating with its internal space, and an adjustment component is provided on the battery placement opening at the upper end of the flexible protective sleeve to adjust the tightness of the opening. This low-temperature insulation sleeve for drone batteries is not only convenient to carry but also provides excellent encapsulation and protection for the drone battery, enabling uniform heating and insulation within the battery.

This system enables efficient use of heat generated from the drive unit while efficiently controlling the self-heating of the energy storage unit. [Solution] The thermal management system 1 comprises a battery 173 (energy storage device) provided in the flow path 170b (first flow path), a PCU 133 (drive device) provided in the flow path 130b (second flow path), a low-temperature radiator 122 (radiator) provided in the flow path 130a (third flow path), a chiller 160 (chiller device) provided in the flow path 170a (fourth flow path), and five-way valves 180 and 190 (switching devices). In the thermal management system 1, when the temperature of the battery 173 rises, the five-way valves 180 and 190 are controlled to form a heating circuit having a single path of heat transfer medium circulating through flow paths 170b, 170a, 130b, and 130a.

The utility model provides an inflatable cushion with a self-heating function, which comprises an outer cover, and the outer cover is provided with a filling space capable of being opened and closed. The housing also has a front surface and a back surface opposite to the front surface. An inflatable air bag is arranged in the filling space and connected with the outer cover. An inflation valve of the inflation air bag is fixedly connected with the outer cover. A heating pad is further arranged in the filling space and located on the side, facing the front face of the outer cover, of the inflatable air bag, alloy fibers serve as heating elements of the heating pad, and the heating pad is provided with an electric connecting end connected with the outer cover. According to the inflatable cushion with the self-heating function, the heating cushion is arranged to be in a built-in type, it is guaranteed that the heating cushion is matched with the outer cover and the inflatable air bag, and meanwhile convenience can be improved through the structure. The outer cover, the inflatable air bag and the heating cushion with alloy fibers as heating elements are combined, so that the inflatable seat cushion can be ensured to have a function of simultaneously heating at intervals, and the practicability is high.

The application discloses an anti-overheating intelligent power grid low-carbon electric power energy storage cabinet, and relates to the technical field of energy storage cabinet heat dissipation appliances, which comprises a box body; the application introduces multiple-dimensional influence factors such as an air medium vertical temperature drop coefficient, a device self-heating increment, an adjacent device thermal interference increment and a local airflow cooling capacity through a cooling determination unit, constructs an actual temperature calculation model corresponding to a layer placement point, breaks through the limitation of traditional direct measurement relying on a single-point sensor only, realizes high-precision dynamic inversion of the real working temperature of an energy storage device on an arbitrary layer placement board, constructs a comprehensive fault index, normalizes and fuses multiple heterogeneous parameters into a single quantitative index, realizes continuous quantitative evaluation of the health state of a cooling system, triggers an early warning signal at a fault precursor stage, avoids the defects that a single threshold determination is prone to missing reports and delayed reports, significantly improves the sensitivity and accuracy of fault prediction, effectively reduces the risk of unplanned shutdown, and prolongs the service life of the device.