550 results about "Heat Avoidance" patented technology

The invention belongs to the technical field of battery packs, and particularly relates to a battery pack with a fire extinguishing function. The battery pack comprises a battery unit, a cooling liquid tank filled with cooling liquid, a cooling loop communicated to the cooling liquid tank, a driving device for enabling the cooling liquid to flow, and a fire extinguishing pipeline communicated withthe cooling loop, the fire extinguishing pipeline comprises a spray pipe which spans over the battery unit and is easy to fuse; a control switch is arranged at the joint of the fire extinguishing pipeline and the cooling loop; and the control switch controls the cooling liquid tank to be alternatively communicated with the cooling loop and the fire extinguishing pipeline. By adopting the technical scheme of the invention, the spray pipe which is easy to fuse is additionally arranged on the original cooling loop of the battery pack, so that the battery pack can be accurately positioned to a thermal runaway battery unit for fixed-point fire extinguishing, the structure is compact, the fire extinguishing effect is better, and battery loss caused by false alarm of a thermal runaway alarm canbe avoided.

The invention discloses an independent type drying module and a drying underlying type clothes drying machine. The independent type drying module comprises a long cylinder-shaped casing; an air outletis formed in the upper surface of the casing; a fan and a heating module are arranged on the end part of the casing; the fan is positioned on the outer side of the heating module; air is sucked by the fan from two ends of the long cylinder-shaped casing and then is blown out of the air outlet in the upper surface of the casing after passing through the heating module; the fan is a main machine part of the drying module, and is independent of the clothes drying machine; and the heating module can avoid adverse influence on parts such as a controller in the main machine part. The fan is positioned on the outer side of the heating module, so that loss of heat caused by the fact that the heat is diffused to the outer side of the end part of the casing can be avoided. The structure is compact,the weight and the volume are small, and the occupied space and the bearing capacity of the clothes drying machine are reduced.

The invention discloses a central heating system on-demand precise regulation and control method based on models. The method comprises the following steps that S1, a heating station load predicting model is built according to the historical operation data of a heating station and weather data; S2, the next-day short-term heat load of the heating station is predicted under the given weather condition; S3, needed secondary side heat supply and flow are determined according to the needed heat load; S4, a plate exchange model of a heating station heat exchanger is built; S5, the needed primary side valve opening degree is calculated through the plate exchange model according to the needed heat load and secondary side heat supply temperature, and related control operation is executed accordingly; S6, a data driving model of the relation among the room temperature, return water temperature and weather parameters of all buildings is built; and S7, the set value of the return water temperatureof all building openings is calculated according to the models, so that adjusting valves of the building openings track the value. According to the method, the situation of excessive supply of the heating station can be effectively avoided, heat energy loss can be reduced, and the utilization efficiency of the heating station on energy is improved.

The invention relates to the field of control techniques of fluid heaters with heat generation devices and discloses a pre-sensing heating method of a water heating system. The pre-sensing heating method of the water heating system specifically comprises the steps of firstly calculating maximum heating load capable of being provided by heating equipment and demand heat load; then comparing the maximum heating load capable of being provided by the heating equipment with the demand heat load and immediately starting up the heating equipment for heating in advance when the demand heat load exceeds the maximum heating load capable of being provided by the heating equipment, wherein a water storage device is connected onto the heating equipment, and the maximum heating load capable of being provided by the heating equipment is solely determined by the configuration of the heating equipment. By adopting the pre-sensing heating method provided by the invention, on the premise that different water flow demands are met, the water heater is prevented from operating under high load for a long time, the consumed energy is saved, and the water heater is more environment-friendly. The invention additionally provides the water heating system which uses the pre-sensing heating method.

The invention provides a heat pipe. The heat pipe comprises a flat pipe, wherein the flat pipe comprises pipe walls which are parallel to each other; a fluid channel is formed between the adjacent pipe walls; external fins are arranged at the outer parts of the pipe walls; and the heights of the fins are gradually reduced from the middle of the transverse section to the two sides of the flat pipe. According to the heat pipe provided by the invention, the heat dissipation of the whole heat pipe is uniform, a local temperature of the heat pipe is prevented from overheating, the heat dissipation effect is improved and the service life of the heat pipe is prolonged.

The invention provides a heat pump drying system and a control method thereof. The heat pump drying system includes a heat pump system and a circulation channel for circulating the working medium in the space to be dried. A compressor, a condenser, a throttling element and an evaporator are arranged on the refrigerant flow path of the heat pump system, and the evaporator Located in the circulation channel, a moisture absorbing device is also included, the moisture absorbing device can be used to absorb moisture in the circulation channel, and the heat of the condenser can be used to regenerate the moisture absorbing device. In this way, when the condenser is not needed to heat the circulating working medium in the circulation channel, the heat emitted by the condenser can be used for auxiliary dehumidification, avoiding waste of heat, improving energy utilization, and improving the dehumidification efficiency of the heat pump drying system.

The invention provides a multi-stage heat storage device and a copious cooling liquefied air energy storage system using the multi-stage heat storage technology. The heat storage device comprises at least two heat storage devices; every two adjacent heat storage devices are connected in series by means of a heat transfer channel; at least one heat storage device is connected with the heat energy output end; in the heat storage process, heat energy overflowing in the heat storage process of the previous stage of heat storage device enters the later stage of heat storage device by means of the heat transfer channel to preheat the later stage of heat storage device; and tail gas released by the previous stage of heat storage device still contains certain heat energy, after the later stage of heat storage device is preheated, heat energy in the tail gas can be exchanged into heat storage media in the heat storage devices to a large extent, and therefore the heat energy storage rate can be increased to a large extent, and heat energy waste is avoided.

The invention discloses a micro-channel phase change heat transfer test stand. The test stand comprises a base, a channel, temperature measuring holes and a transparent cover plate, wherein a groove is formed in the base, the two ends of the groove are higher than a first boss and a second boss, and the first boss and the second boss are formed in the center of the groove; the channel is embedded into the center of the groove in the base, and a first rectangular groove ring is arranged around the portions, on the bottom face of the groove, the opposite side faces of the first and second bosses and the top faces of the first and second bosses, of the micro-channel; the temperature measuring holes are vertically formed in the side face of the base according to the temperature gradient and horizontally formed in the side face of the base at equal intervals; the shape of the side, facing the groove, of the transparent cover plate is closely matched with the groove in the base, a second rectangular groove ring corresponding to the first rectangular groove ring is arranged on the transparent cover plate, and gaskets are arranged in the rectangular groove rings respectively. According to the test stand, the channel is closely sealed, and fluid change is stable and visible in the phase change process of a refrigerant; the temperature measuring holes are vertically formed in the side face of the base according to the temperature gradient and horizontally formed in the side face of the base at equal intervals, so that the heat transfer path is avoided from being blocked, and the measuring result is more accurate.

The invention discloses a composite type heat preservation wall body mold block and a composite type heat preservation wall body constructed by the same. The composite type heat preservation wall bodymold block has a composite structure, and a connection member (3) is adopted to connect a template (1) and a template (2) to form a mold block with a middle hollow cavity structure. When the mold block is adopted to construct a wall body, foam concrete is poured into the hollow cavity structure of the composite type heat preservation wall body mold block to form a foam concrete infill. As the foam concrete has excellent heat insulation and preservation performances, the wall body constructed by the composite type heat preservation wall body mold block of the invention has excellent heat insulation and preservation performances, and the phenomenon that heat is conducted through the wall body can be avoided.

The invention provides raw material dehydration equipment with a deodorizing function for organic fertilizer production, comprising: a drying box in which a breathable plate is arranged between the two sides of the inner wall of the drying box; a heating box arranged on one side of the back face of the drying box, provided a heating pipe at the top of the heating box, and with the other end of the heating pipe communicating to the interior of the drying box; and a treatment box arranged on the other side of the back face of the drying box, and provided a filtering membrane between the two sides of the inner wall of the treatment box. The raw material dehydration equipment with the deodorizing function for organic fertilizer production, provided by the invention, has a cyclic heating function, not only improves the dehydration effect of organic fertilizer raw materials, but also has a good peculiar smell treatment function, and avoids peculiar smell emission, influence on the working environment and damage to the physical and psychological health of workers; and in the peculiar smell treatment process, heat in peculiar smell is effectively reserved, the heat waste is avoided, and the environmental protection function of the equipment is improved.

The invention discloses an energy accumulation heat supply system, an application mode thereof and a hot water supply device. The heat energy or the cold energy of a hot source or a cold source stored by a heat insulation liquid warehouse larger than fifty thousand cubic meters is used for supplying heat or supplying cold, so the usable heat energy or cold energy generated by the heat source or the cold source in four seasons in a year can be fully utilized. The heat supply hot water device of the invention can avoid the cold water accumulation and storage in a hot water pipe under the condition of not using a cyclic water pipe and a cyclic pump.

The invention discloses a heat sealing mechanism of a tongue depressor packaging machine. A cam box is arranged on a machine body; a heat sealing upright post is arranged on the cam box; a cylinder bottom plate is arranged on the heat sealing upright post; a heat sealing cylinder is arranged on the cylinder bottom plate; a heat sealing heating plate is arranged at the lower end of a cylinder piston; an upper heat sealing die is connected with the heat sealing heating plate; a heat sealing cam and a spline main shaft are arranged in the cam box; the heat sealing cam is connected with a lower die guide plate through a roller base; both sides of the lower die guide plate are connected with the heat sealing upright post; and a lower heat sealing die is arranged on a lower die guide plate. The heat sealing mechanism of the invention greatly increases packaging accuracy and speed and has high packaging efficiency and stable quality; for the realization of intensification, a cam structure can also be connected with a power system of the packaging machine, so that the cam structure is more convenient to operate and is uniform; and due to the arrangement of the cylinder, overlong heat sealing time is avoided and deformation of a packaging material caused by heat radiation is prevented effectively.

The invention discloses a spraying device for building material production, and relates to the technical field of building material production. The spraying device comprises a conveying base, a paintspraying box, a drying box, a telescopic cover and an ash cleaning assembly, wherein the paint spraying box is installed on one side of the upper end of the conveying base, the drying box is installedon the other side of the upper end of the conveying base, the telescopic cover is installed between the paint spraying box and the drying box, and the ash cleaning assembly is installed on the side edge, far away from the telescopic cover, of the paint spraying box; and the paint spraying box comprises a spray head and a mist collecting cover, wherein the spray head is arranged at the upper end inside the paint spraying box. A heating lamp in the drying box heats a heat collecting plate, so that the temperature in the box is increased, the paint on the surface of a building material is conveniently dried, the heat collecting plate collects heat, the temperature of the dried paint is uniform, local baking damage is avoided, a foam heat insulation layer is arranged in the shell of the drying box, heat loss is avoided, energy is saved, and consumption is reduced.

The invention relates to a battery module, a power battery pack and a vehicle. The battery module comprises a module end cover, a plurality of monomer batteries and a monomer protective cover, whereina plurality of gas exhaust holes are formed in the module end cover, the monomer exhaust holes and explosion-proof valves on the monomer batteries are oppositely arranged and are in one-to-one correspondence, a gas guide cylinder is formed on the monomer protective cover and comprises a cylinder body, a first port and a second port, the periphery of the first port surrounds the explosion-proof valve, the periphery of the second port surrounds the gas exhaust hole, and gas exhausted by the explosion-proof valve sequentially passes through the first port, the cylinder body and the second port and then reaches the gas exhaust hole. According to the invention, each monomer battery in the battery module is provided with an independent gas exhaust channel, so that heat diffusion can be avoided,thermal runaway cannot be transferred to other single batteries, and the gas exhaust path of the gas exhaust channel is shortened, so that gas cannot be retained in the battery module and can be quickly exhausted while other parts in the battery module cannot be damaged.

The invention provides a vacuum mesh belt medicine moistening machine. The traditional mesh belt medicine moistening machine and the vacuum medicine moistening machine are combined, a vacuum press is applied to pharmacy, the automated streamlined procedure is improved, the medicine moistening effect is optimized while the repeated manual feeding is avoided, the use efficiency of equipment is greatly improved, the labor cost is saved, and the medicine moistening machine has the characteristics of low moisture content of a medicine, good softening effect, high degree of automation, and avoidance of heat loss, etc. The vacuum mesh belt medicine moistening machine solves the problems in the prior art that: the medicine is not evenly moistened and softened and the speed is low, the moisture content of the moistened medicine is high and not controllable, and effective ingredients of the medicine are lost. Meanwhile, the vacuum mesh belt medicine moistening machine can also be used to dry a fresh agricultural byproduct to reach the moisture content of 30%.

The invention relates to a display panel and a display device. The display panel comprises a substrate; a light-emitting layer which comprises a plurality of light-emitting areas and non-light-emitting areas which are arranged at intervals; a packaging layer which is located on the side, away from the substrate, of the light-emitting layer, the packaging layer comprises a first inorganic layer andan organic layer, the first inorganic layer is located on the side, close to the substrate, of the packaging layer, and a first groove is formed in the side, away from the substrate, of the first inorganic layer; and a first heat dissipation layer, the heat conductivity coefficient of the first heat dissipation layer is larger than that of the organic layer, and the first heat dissipation layer is located in the first groove. According to the technical scheme, the heat dissipation function of the display panel is improved, damage to the light-emitting device due to accumulation of heat in thelight-emitting device is avoided, the display efficiency of the display panel is improved, meanwhile, the first heat dissipation layer is located in the first groove, it can be avoided that the thickness of the display panel is additionally increased, and the light and thin requirements are met.

The invention discloses a high-low voltage anti-seismic power distribution cabinet with an efficient heat dissipation mechanism, and belongs to the technical field of power distribution cabinets. Thecabinet comprises a box body, a damping mechanism is arranged at the bottom of the box body, a heat dissipation mechanism is arranged in an inner cavity of the box body, a wire arrangement mechanism is arranged on the rear side of the box body, and a clamping mechanism is arranged between the heat dissipation mechanisms on the two sides; and an electrical element is arranged in the clamping mechanism. According to the invention, when electrical elements in the box body work to generate heat, the water pump works to drive cooling liquid in the heat absorption box to circulate, the circulating water can drive heat in different heat absorption boxes to circulate, and the fans on the two sides synchronously rotate to drive air to generate airflow, so that the heat is brought out from the box body; the heat dissipation copper columns and the heat absorption fins are used for absorbing heat of internal cooling liquid and rapidly dissipating the heat through convection air, so heat generatedby working of electrical elements is effectively reduced, reduction of the working efficiency of the electrical elements caused by heat accumulation is avoided, the service life of the electrical elements is effectively prolonged, and the working state stability of the whole power distribution cabinet box is improved.

The invention discloses a power station thermal runaway early warning method and system based on a safety characteristic parameter representation system, and belongs to the technical field of power station thermal runaway early warning. An existing thermal runaway risk early warning method is mainly based on a temperature threshold value or a temperature change rate threshold value, however, when the temperature threshold value and the temperature change rate threshold value are out of limit, thermal runaway is basically inevitable, and loss is difficult to retrieve. According to the power station thermal runaway early warning method based on the safety characteristic parameter characterization system, a correlation coefficient model, an information entropy model and a dimensionless characteristic parameter model are constructed, the safety characteristic parameter characterization system is formed, and then safety characteristic parameter values can be calculated according to single voltage data in the actual operation working condition; and the calculated safety characteristic parameter values are utilized to judge the serial numbers of the outlier batteries through a union set taking method, so that early diagnosis and early warning of the thermal runaway risk of the energy storage battery system are realized, thermal runaway can be effectively avoided, the use safety of the batteries can be ensured, the user experience is good, and popularization and use are facilitated.

The invention belongs to the field of kitchen appliances, and particularly relates to an oven. The oven comprises: an oven shell, wherein a cooking cavity is formed in the oven shell, an air outlet isformed in the rear side of the cooking cavity, and an air inlet is formed in the side wall of the cooking cavity; a hot air assembly, wherein the hot air assembly is arranged behind the cooking cavity, the hot air assembly comprises a fan and an air guide part, an air cavity is defined by the air guide part and the rear wall of the cooking cavity, the air outlet is communicated with the air cavity, and the fan is located in the air cavity; and an air return channel, wherein the air return channel is communicated with the air cavity and the air inlet. According to the oven, when the fan of thehot air assembly operates, air in the cooking cavity enters the air cavity through the air outlet under the action of the fan and is heated into hot air in the air cavity, and the hot air moves forwards along the air return channel and returns to the cooking cavity through the air inlet, so that a hot air circulation process is formed. Therefore, the hot air in the cooking cavity flows in a largerange, the situation that heat is only concentrated locally is avoided, and then the heating uniformity is improved.

The invention belongs to the technical field of heat dissipation of integrated circuit chips, and relates to heat dissipation equipment for a computer chip. In the device, the bottom of a first radiator is bonded with a computer chip through heat-conducting silica gel, and a first cooling fan is fixed at the top of the first radiator through a screw; the second cooling fan is fixed to the top of the second radiator through screws. The two ends of the heat pipe are connected with the bottom of the first radiator and the bottom of the second radiator in an inlaid mode through heat conduction silica gel respectively, the heat pipe is a vacuum cavity with a wick attached to the inner wall, and the heat pipe is filled with a liquid working medium. According to the device, heat generated by the chip is absorbed by utilizing a heat conduction and gas-liquid phase change heat transfer mechanism, and a heat exchange process with extremely high heat exchange coefficient and heat flux density can be realized, so that the heat generated by the CPU chip cannot be accumulated at a heating source, the heat dissipation efficiency of the forced air cooling heat dissipation device is greatly improved, and a hot spot phenomenon is effectively avoided.

A heat dissipation structure of a pulse type high-power laser comprises a heat conduction apparatus fitted with a laser, the heat conduction apparatus is connected with at least one heat conduction tube, one end of the heat conduction tube is connected with the heat conduction apparatus, and the other end extends into a sealing phase change material. According to the pulse type high-power laser, the heat of the high-power laser in pulse type working is transferred to the phase change material for absorption through the heat conduction apparatus and the conduction tube, and the phase change material first stores the heat generated by the high-power laser in pulse type working and releases the heat slowly, the stable working time of the laser can be prolonged, and the heat exchange speed of the laser with the external environment of a system can be reduced, so that the quick heat dissipation affecting other apparatus and members and scalding to a user can be avoided.