200 results about "Self heating" patented technology

The present application relates to a kind of internal heating type continuous rotary heating process and device, device includes self-heating graphite tube rotary drum, electrode bar, the inner cylinder of the self-heating graphite tube rotary drum is graphite tube, both ends of the graphite tube are connected electric slip ring, and are heated by electrode bar power supply.The present application provides a kind of internal heating type continuous rotary heating device compared with prior art, the inner cylinder of the self-heating rotary kiln of the present application adopts graphite material, graphite cylinder both ends adopt slip ring power supply, graphite tube relies on its resistance heating, and heating electric power is adjusted according to set furnace temperature.The furnace temperature of the present application can be high, can be low, from several hundred degrees to thousands of degrees (2000 ℃ above) can be continuously adjusted, heated material can be powder or granular material, protective gas is inhaled in furnace, presents slightly positive pressure or slightly negative pressure, since it can be isolated air, especially suitable for the coating of carbon material, low-temperature carbonization, high-temperature carbonization can also realize the heating treatment of other materials.

The invention discloses a hydrogel-based low-temperature high-steam self-heating eyeshade and a preparation method thereof, and belongs to the technical field of personal care supplies, and the self-heating eyeshade sequentially comprises a breathable outer layer, a self-heating body and a composite dressing from outside to inside. The composite dressing is formed by tightly attaching a hydrogel functional layer and a supporting layer. According to the self-heating eyeshade, through the collaborative design of all the functional layers, the composite dressing is arranged between the self-heating body and the skin, so that heat preferentially drives hydrogel moisture to evaporate; meanwhile, the hydrogel three-dimensional network structure provides a huge specific surface area, the low-temperature evaporation efficiency is effectively improved, and steam explosion is avoided and stable and continuous output is achieved by regulating release kinetics through bound moisture. The working temperature of the self-heating eyeshade is stably maintained within the range of 37-45 DEG C, the steam quantity can be 2-2.4 times that of a traditional product under the low-temperature condition, and the self-heating eyeshade has remarkable advantages in key performance such as safety, comfort, steam durability and steam quantity.

The temperature-adjustable self-heating portable moxibustion device comprises a sealing shell and a moxibustion box arranged in the sealing shell, the moxibustion box comprises a box body, self-heating materials are filled in the box body, the top and the bottom of the box body are sealed, the top and / or the bottom of the box body are arranged in a split mode, the side wall of the box body is provided with an air vent, and the air vent is communicated with the box body. A ventilation interlayer used for shielding the ventilation opening is fixed to the box body, and an adjusting piece is connected to the outer side face of the box body in a sliding mode and can move along the outer side face of the box body so as to adjust the ventilation area of the ventilation opening. And a medicine patch layer and an adhesive layer are arranged on the bottom surface of the box body in a partitioned manner. The self-heating portable moxibustion device is small, portable, convenient to process, free of open fire, safe and smokeless, a user can use the moxibustion device anytime and anywhere, the moxibustion box is pasted on the surface of skin, the self-heating material releases heat and rises temperature after making contact with air, effective ingredients of the medicine patch layer are promoted to permeate into the skin, the ventilation area of the ventilation opening is changed by rotating the adjusting piece, and the self-heating effect is achieved. Therefore, the maximum temperature and the heating duration are regulated and controlled, and operation is easy and convenient.

The invention provides a food material cooking method, a cooking utensil and a storage medium, and relates to the technical field of food material cooking. According to the method, a first voltage signal which has a first pulse width and a first frequency and enables food materials and water between a first electrode and a second electrode to be in a first electric field intensity is applied to the first electrode and the second electrode, and energy generated by electric field pulses between the first electrode and the second electrode can destroy cell membranes of the food materials. The electrolyte inside and outside the cell membrane of the food material is unbalanced, so that the water channel of the food material from outside to inside can be opened, the water absorption of the inner core of the food material is accelerated, and the water absorption time is shortened; and applying a second voltage signal which has a second pulse width and a second frequency and enables the food material and water between the first electrode and the second electrode to be in a second electric field intensity to control the cooking utensil to be in a cooking stage, so that the food material can be quickly gelatinized in a spontaneous heating manner, the cooking time is further shortened, and the cooking efficiency is improved. Rapid cooking is achieved, and the cooking taste of food materials is improved.

The utility model discloses a self-heating food packaging box, which belongs to the technical field of self-heating packaging boxes and comprises a bowl body, a bowl cover is movably arranged at the top of the bowl body, a staple food box positioned under the bowl cover is arranged in the bowl body, and a heating mechanism positioned under the staple food box is arranged at the bottom in the bowl body. Four groups of independent spaces for storing auxiliary materials, staple food, a heating agent and a water source bag are arranged on the self-heating food box, four groups of tearing films are adopted to seal the four groups of spaces, four groups of drawing ropes are fixedly connected to the outer wall of the easy-to-tear film, the free ends of the drawing ropes are converged and connected to a drawing block, the drawing block is arranged on the outer wall of the food box, and the self-heating food box is convenient to use. A user can drive the four groups of easy-to-tear films to be opened and drawn out of the meal box at a time through the drawing block, auxiliary materials and staple food are combined together, a water source makes contact with a heat generating agent to generate heat, heating of self-heating food can be completed through one action, and the dining experience and the dining efficiency are improved.

The utility model discloses a self-heating sneaker, which relates to the technical field of sneakers and comprises a sneaker body and an inner cavity, a sole is connected below the sneaker body, a toe cap is arranged at one end of the sole, and a heel is arranged at the other end of the sole. According to the self-heating sports shoes, the first heating plush made of far infrared radiation acrylic fibers can keep the feet warm, the far infrared radiation acrylic fibers are made of materials obtained by adding far infrared radiation ceramic particles into acrylic fibers, heat of the human body and heat of the surrounding environment can be absorbed to keep the feet warm, the temperature is moderate, and the health care effect is good. Meanwhile, the heat of the first heating plush can be transferred into the second heating plush through the interlayer, double-layer heat preservation is provided, then the contact face between the first heating plush and the surrounding environment and the contact face between the second heating plush and the surrounding environment are improved through the breathable layer, the breathability is improved, stuffy sweat is not prone to occurring, and the comfort and the heat preservation performance of the sports shoes are improved.

The utility model discloses a highly durable and slightly waterproof winter carpet which comprises a carpet body, the carpet body is composed of a surface layer, a filling layer, a base layer, a liner layer and a backing layer, the bottom of the surface layer is provided with the filling layer, and the bottom of the filling layer is provided with the base layer. The carpet body is composed of the surface layer, the filling layer, the base layer, the liner layer and the backing layer, the surface layer made of wool remarkably improves water absorption, breathability and heat preservation effect of the carpet, and the filling layer made of chitosan has the characteristic of self-heating after water absorption and provides a certain antibacterial effect. The base layer and the back lining layer which are made of polypropylene materials ensure that the carpet is not prone to deformation, the waterproof performance of the carpet is guaranteed, meanwhile, the liner layer made of polyurethane foam materials can effectively absorb external pressure, and the comfort and the buffering effect are improved. Therefore, the durability, the use effect, the heating property and the antibacterial property of the winter carpet are remarkably improved.

The utility model relates to an instant heating type soup cup which comprises a main body, a cup cover and a cup cover. The bottom of the main body is covered with the base, a heating cavity is formed in the middle of the base, a liquid storage cavity is formed in the periphery of the heating cavity, a self-heating bag is arranged on the heating cavity, a water injection hole used for being communicated with the heating cavity is formed in the liquid storage cavity, and an easily-punctured water sealing film used for sealing the water injection hole is arranged on the water injection hole; the puncturing needle faces the easy-to-puncture water sealing film, and the main body and / or the base are / is provided with an easy-to-pull supporting strip used for keeping a gap between the main body and the base so that the puncturing needle and the easy-to-puncture water sealing film can be separated from each other. When the self-heating bag is used, the easy-to-pull supporting strip is torn off, the main body and the base are mutually and tightly covered, the puncturing needle can downwards puncture the easy-to-puncture water sealing film, liquid in the liquid storage cavity automatically flows to the heating cavity under the action of gravity and is in contact with the self-heating bag, and manual water adding operation is not needed in the whole process; and the occurrence of scald accidents is effectively avoided.

An infrared thermal imaging target is composed of a target body and a target plate, the target body is made of a good thermal conductor material, the target plate is made of a poor thermal conductor material, and the target body is installed on the target plate. Holes are cut in the 10-ring target center area of the target, a window hole used for containing the spontaneous heating material bag is cut in the target plate, when the infrared thermal imaging sighting telescope is used for shooting training, the spontaneous heating material bag is placed on the back face of the target through the window hole, and the spontaneous heating material bag releases heat through oxidation reaction and transmits the heat to the whole target. Due to the fact that the 10-ring target center area is cut into the holes, heat cannot be transmitted to the hole area, the thermal infrared characteristic that the temperature is lower than the temperature of the target is shown in the infrared thermal imaging sighting telescope, and the thermal infrared characteristic is shown in the infrared thermal imaging sighting telescope. Therefore, the target is a shooting training target for indicating a thermal infrared target for a shooter who carries out shooting training by using the infrared thermal imaging sighting telescope.

The invention provides a self-heating film material and a preparation method and application thereof. The self-heating film material comprises positive electrode powder and metal negative electrode powder which are mixed with each other; the positive electrode powder comprises a carbon-based material. The self-heating film material with the sheet structure is prepared by mixing the positive electrode powder and the negative electrode powder, the self-heating film material is in contact with the alkaline electrolyte during use, and the alkaline electrolyte can be in contact with the positive electrode material and the negative electrode material at the same time, so that the short-circuit reaction of the metal-air battery is triggered, and further heating is realized. The self-heating film material has the advantages of being rapid in heating, controllable in temperature, long in heating time and the like; air isolation is not needed during storage, and storage is more convenient; exogenous water and high-temperature triggering conditions are not needed during reaction, no dangerous product is generated, and the safety coefficient is high.

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 invention relates to the field of vacuum pumps, in particular to a vacuum pump with a self-heating heat exchange function device and a heat exchange control method thereof.The vacuum pump comprises a machine cabinet, a first pump body and a second pump body, a controller is arranged on the side face of the machine cabinet, and a central heat exchanger is arranged in the machine cabinet; the first pump body and the second pump body communicate with the central heat exchanger through a first connecting pipe and a second connecting pipe correspondingly, a gas heat exchange assembly is arranged in the central heat exchanger, a heat exchange cooling area is formed in the central heat exchanger, a cooling circulation pipe is arranged on the side face of the central heat exchanger, and the cooling circulation pipe is connected with a first-stage heat exchanger. A heat exchange silencer is connected to the second pump body, a gas silencing heat exchange assembly is formed in the heat exchange silencer, a heat exchange circulating pipe is arranged on the side face of the heat exchange silencer, and the heat exchange circulating pipe is connected with a second-stage heat exchanger. And the energy utilization efficiency of the system is improved.

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.

The invention provides a resistance self-heating type solid hydrogen storage reactor, which belongs to the technical field of hydrogen energy storage and comprises a solid hydrogen storage component, a heat management component and an electric heating component. The porous solid hydrogen storage material is a magnesium-based composite material doped with coal ash and slag, has a porous structure and intrinsic conductivity, and realizes rapid and uniform spontaneous heating through a Joule effect; the heat exchange plates and the hydrogen storage materials are alternately distributed, a circulating pump drives a heat exchange medium and a phase change material storage tank to form closed-loop heat management, and heat recovery in the hydrogen storage stage and heat supply in the hydrogen desorption stage are achieved; the electric heating unit supplements Joule heat through an external power supply, and the operation state is controlled in real time in combination with the temperature regulation and control module. The problems of thermal response lag, uneven temperature and high energy consumption of traditional solid hydrogen storage are solved, the hydrogen storage / desorption rate, the cycle stability and the energy utilization efficiency are remarkably improved, and the method is suitable for large-scale long-period hydrogen storage of renewable energy sources.

The invention relates to a self-heating discharge gap which comprises a pair of electrodes, and a preset gap distance, namely a gap, is kept between the two electrodes; the cavity is a component made of an insulating material and arranged on the periphery of the gap, and the cavity abuts against the pair of electrodes respectively; and the heating structure is arranged on the outer surface or the inner surface of the discharge gap or in the discharge gap. According to the self-heating discharge gap, when pulse current exists, voltage drop generated when part of current flows through the coating is higher than breakdown voltage in the gap so that the gap can be broken down, and at the moment, most of the current flows through the gap. When the surge protection device is influenced by power frequency overvoltage exceeding pressure-sensitive voltage, no matter whether the voltage can cause MOV thermal breakdown or not, current can flow through the discharge gap coating, because the voltage is lower than starting voltage after MOV series connection with a gap, the coating can be heated to the temperature for fusing a tin soldering point in a short time only by milliampere-level current, so that the temperature of the metal oxide semiconductor can be reduced, and the service life of the metal oxide semiconductor can be prolonged. Therefore, the surge protection device is separated from the power line.

The utility model discloses an energy storage battery container applicable to an energy storage system, which comprises a frame and a radiating tube, the frame is provided with a plurality of mounting areas for mounting battery modules, two ends and the front side of the frame are open, the radiating tube is arranged on the rear side of the frame, an air inlet is arranged at the upper end of the radiating tube and is used for being connected with refrigeration equipment, and the radiating tube is connected with the refrigeration equipment. A plurality of air outlets are formed in the side walls, facing the installation areas, of the heat dissipation pipes, and each installation area is correspondingly provided with at least one air outlet. The cooling airflow is used for dissipating heat in the mounting area, the temperature of the whole frame and the temperature of the battery module located in the mounting area are effectively reduced, spontaneous combustion caused by spontaneous heating of the battery module is avoided, and the ignition risk is reduced.

The utility model relates to the technical field of human body protective gear, and discloses an anti-slip hot compress waist belt, comprising a belt body, a self-heating tourmaline cloth 1 is fixedly connected to the surface of the belt body, a plurality of waist supports are fixedly connected to the side wall of the belt body, a self-heating tourmaline cloth 2 is fixedly connected to the surface of each waist support, a cross elastic belt is fixedly connected between the belt body and the waist support, a plurality of steel bars are fixedly connected to the other side surface of the belt body, a plurality of waistline elastic straight belts are fixedly connected to the other side surface of the belt body, a Velcro is fixedly connected to the other side surface of each waist support, a hanging ring is fixedly connected to the left side surface of the Velcro, and a connecting component is arranged on the right side surface of the Velcro. In the utility model, through the coordination of structures such as the cross elastic belt, the waistline elastic straight belt and the waist support, the patient has a higher fit and elasticity when using the belt, which improves the use experience of the belt.

The application discloses a charging pile safety control method and system based on multi-source data fusion, and belongs to the technical field of data analysis. The method first collects temperature of temperature measuring points, environmental temperature and insulation resistance in the charging process and carries out pretreatment. Secondly, the heat propagation delay between the temperature measuring points is calculated by using the cross-correlation function, and a heat propagation topology graph is constructed to identify the root heat source and the subordinate heat source. Then, the temperature data is decomposed into the self-heating component and the propagation heat component based on the topological sorting, and the heat contribution weight and the charging safety index of each temperature measuring point are calculated. Finally, the charging current adjustment amount is calculated according to the deviation of the charging safety index and the safety threshold, and the output current of the charging pile is dynamically adjusted. The application realizes the closed-loop safety control of the charging process, and can improve the safety and reliability of the charging pile operation.

The utility model relates to the technical field of medical instruments, in particular to a self-heating physiotherapy electrode plate capable of hot compress, which comprises an electrode plate and a heating component, the electrode plate comprises a base material layer, an adhesive layer, an electrode plate body, a clamping ring, water-based gel and an anti-sticking layer, the adhesive layer is arranged on the base material layer, and the clamping ring is arranged on the electrode plate body. The lower portion of the electrode plate body penetrates through the adhesive layer and the base material layer and is connected with the clamping ring, water-based gel is further arranged on the electrode plate body, an anti-sticking layer is further arranged on the water-based gel, the heating assembly comprises a bearing ring and a heating bag, the bearing ring is arranged on the peripheral side of the electrode plate, the heating bag is further arranged on the bearing ring, and the electrode plate body is connected with the clamping ring. Heat dissipation holes are further formed in the base material layer, heat dissipation grooves are formed in the bearing ring, heat dissipation uniformity is guaranteed, the heating bag is adopted for heating, the disposable electrode slice is low in manufacturing cost and safe to use, the electrode slice is used for a long time when the heating bag is poor in heating effect or does not heat, and an attaching person can be conveniently reminded of the equipment use time.

A reusable self-heating infrared thermal imaging precision target is composed of a target body, a self-heating material bag and a target plate. An aiming point is arranged on the target, the target is pasted on the target plate, and the self-heating material bag is pasted on the target; or the target paper is pasted on the target, the self-heating material bag is pasted on the target paper, the position where the self-heating material bag is pasted on the target paper is provided with the area identification, and the area identification is arranged in an isosceles triangle shape according to the right upper portion, the left lower portion and the right lower portion; silicone oil or other materials with smooth surfaces are coated on the surface of the whole target paper or in the area of the area mark, so that the non-setting adhesive is prevented from being adhered to the target paper, the non-setting adhesive is ensured to be easily separated, and the self-heating material bag is replaced. The device has the remarkable characteristics and advantages of mature technology, stability, reliability, no need of an external power supply, no need of technical guarantee, no need of maintenance, convenience and rapidness in use, low cost and the like, effectively solves the problem that the infrared thermal imaging sighting telescope does not have a shooting training target, and fills the military police training blank.

The utility model relates to a vacuum pump with a self-heating heat exchange function device in the field of vacuum pumps, which comprises a cabinet, a first pump body and a second pump body, a controller is arranged on the side face of the cabinet, and a central heat exchanger is arranged in the cabinet. The first pump body and the second pump body communicate with the central heat exchanger through a first connecting pipe and a second connecting pipe correspondingly, a gas heat exchange assembly is arranged in the central heat exchanger, a heat exchange cooling area is formed in the central heat exchanger, a cooling circulation pipe is arranged on the side face of the central heat exchanger, and the cooling circulation pipe is connected with a first-stage heat exchanger. The first pump body is connected with a central heat exchanger, the second pump body is connected with a heat exchange silencer, a gas silencing heat exchange assembly is formed in the heat exchange silencer, a heat exchange circulating pipe is arranged on the side face of the heat exchange silencer, and the heat exchange circulating pipe is connected with a second-stage heat exchanger. And the energy utilization efficiency of the system is improved.

The invention discloses a magnetic drive pump with a self-heating heat preservation circulation structure, and particularly relates to the technical field of magnetic drive pumps, which comprises a base, a pump body, a pump cover, a connecting frame, a motor, an impeller, a pump shaft and an isolation sleeve. According to the magnetic drive pump with the spontaneous heating heat preservation circulation structure, the coil is arranged on the protective cover, magnetic induction lines generated by the coil generate heat on the blades made of the magnetic conductive materials, hot air is conveyed to the heat exchange coil pipe in the rotating process of the fan, a heat preservation medium in the heat exchange coil pipe is preliminarily preheated, and the heat preservation efficiency is improved. The preheated heat preservation medium is conveyed into the first heating pipe or the second heating pipe in the isolation sleeve, when the magnetic drive pump works, the isolation sleeve and the first heating pipe or the second heating pipe installed in the isolation sleeve conduct cutting heating on magnetic induction lines, the first heating pipe or the second heating pipe heats the heat preservation medium in the isolation sleeve, and the heat preservation medium in the magnetic drive pump is heated twice. The temperature rising speed of the heat preservation medium is increased, and heat preservation is better conducted on fluid conveyed by the magnetic drive pump.

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 blasting bead bubble cap, a preparation method thereof and application of the blasting bead bubble cap in a self-heating patch, and relates to the technical field of blasting bead bubble caps, and the blasting bead bubble cap structurally comprises an upper layer fabric, a middle layer core material and a bottom layer fabric; the upper-layer fabric comprises any one of printed leather, printed spunlace, white spunlace, white leather and non-woven fabric; the middle-layer core material is composed of hole digging sponge and blasting beads embedded in holes of the hole digging sponge; the bottom layer fabric is composed of a spraying film and an adhesive layer prepared on the surface of the spraying film through an adhesive dispensing technology. The self-heating patch can be applied to any one of a steam hot-compress eye patch, a hot-compress warm protection patch, a hot-compress neck warming patch, a hot-compress knee warming patch, a hot-compress waist and abdomen patch, a hot-compress ankle patch and a hot-compress wrist patch.

An air bag pressure-regulating self-heating restraining tray relates to the technical field of battery production and processing equipment, and comprises an external frame, a plurality of groups of guide columns, a plurality of laminate assemblies and a centering assembly, the two ends of the guide columns are fixedly arranged on the two end sides of the interior of the external frame respectively, and the plurality of laminate assemblies are slidably arranged on the plurality of guide columns. The centering assemblies are evenly arranged on the guide columns and located between the laminate assemblies. The centering assembly comprises spring baffles and springs, the spring baffles are fixedly arranged on the guide columns and evenly distributed between the layer plate assemblies, and the springs are arranged on the outer sides of the guide columns and evenly distributed between the spring baffles and the layer plate assemblies. According to the utility model, the constant restraint pressure and effective temperature control on the battery can be realized while the position of the battery is kept stable, the pressure can be automatically adjusted according to the expansion of the battery, the constant restraint force on the battery can be kept, and meanwhile, the self-heating function is realized, and the necessary environment temperature is provided for the battery.

The utility model relates to the technical field of artificial leather, and discloses highly cold-resistant PVC artificial leather with a multilayer structure, which comprises a PVC surface layer, a windproof layer adhered to the bottom of the PVC surface layer, a PVC foaming layer adhered to the bottom of the windproof layer, a PVC compact layer adhered to the bottom of the PVC foaming layer, an antibacterial layer adhered to the bottom of the PVC compact layer, and a self-heating fiber layer adhered to the bottom of the antibacterial layer. The bottom of the self-heating fiber layer is bonded with a heat preservation layer, and the bottom of the heat preservation layer is bonded with a base cloth layer. By adding the windproof layer and the heat preservation layer in the artificial leather, the artificial leather has stronger windproof and heat preservation effects, the cold resistance of the artificial leather is improved through the stronger windproof and heat preservation effects, and meanwhile, after the spontaneous heating fiber layer in the artificial leather absorbs sweat, heat in sweat can be stored in the artificial leather, so that the heat preservation effect of the artificial leather is improved. And the artificial leather has moisture absorption and heat release properties, so that the cold resistance of the artificial leather is improved.

The utility model provides a self-heating neck beauty pasting film which comprises a heating layer, a nutrition layer and a bonding layer connecting the heating layer and the nutrition layer, the heating layer comprises a flexible waterproof film, a flexible oxygen permeation film and a heating piece, and the flexible waterproof film and the nutrition layer are bonded through the bonding layer; a plurality of cavities distributed in an array mode are formed between the flexible waterproof film and the flexible oxygen permeation film, and the heating pieces are arranged in the cavities. When the self-heating neck beautifying pasting film is applied, the nutrition layer is close to one side of the neck, and the magic tape is arranged at the end part of the heating layer, so that fixation during use is facilitated. According to the self-heating neck beautifying pasting film, by means of a self-heating mode of the heating layer, the hot compress effect is achieved, absorption of skin care active matter of the nutrition layer is promoted, and the comfort level of a user in winter is improved; and the neck beautifying paste is high in compounding degree of each layer, simple in structure, convenient to use and high in heat transfer efficiency, and has a good market prospect.

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 invention discloses a cold region battery thermal management system and method based on a heating film and a phase change material. The system comprises a preheating device, a cooling device, a power battery and a standby battery, the power battery is arranged in the preheating device, and the cooling device is arranged between the power battery and the preheating device; the standby battery is independently arranged and serves as a power supply of the preheating device and the cooling device. Energy for temperature control of the power battery comes from the standby battery, the energy of the power battery is not consumed, and the endurance mileage of the electric vehicle is prevented from being reduced; after the power battery is heated and the temperature is controlled, the phase-change material is used for continuously preserving heat of the power battery; when the power battery is overheated due to spontaneous heating, the overheated power battery is timely cooled through the tubular cooling device, so that the temperature of the power battery is always maintained in a set range; the battery pack is of a multi-bin combined structure, if part of single batteries in the battery pack are damaged, only the corresponding battery bin needs to be replaced, the battery pack does not need to be integrally replaced, and therefore the maintenance cost of the battery pack is reduced.

The present invention discloses a tissue section specimen making device, which relates to the field of specimen making technology and includes: a lower box body, which is in the shape of a rectangular parallelepiped and has no top plate; an upper box body, which is in the shape of a rectangular parallelepiped and has no top plate and bottom plate, and the upper box body can be placed above the lower box body; a sheet spreading plate, which is arranged in the upper box body, and an upper retaining edge is arranged on the first edge of the sheet spreading plate, and a lower retaining edge is arranged on the second edge of the sheet spreading plate; the sheet spreading plate is fixedly connected to a rotating shaft, and the rotating shaft rotates with the upper box body; the upper retaining edge and the lower retaining edge are both parallel to the rotating shaft; an adjustment knob is fixedly provided at one end of the rotating shaft, and a gear is fixedly provided at the other end; a locking mechanism, which includes a locking plate, a first fixing bolt, a second fixing bolt and a torsion spring; a self-heating patch, and the self-heating patch is bonded to the bottom surface of the sheet spreading plate. The tissue section specimen making device of the present invention does not require the use of a power supply, is easy to use, easy to make, and has low cost.