60results about How to "Efficient heat exchange" patented technology

The invention belongs to the technical field of battery thermal management, and discloses a battery pack and a phase change material coupling liquid cooling composite thermal management system.The battery pack comprises a plurality of battery structures, each battery structure comprises a lithium battery, a fin structure, a phase change material filling area and a liquid cooling plate, and the fin structure is arranged on the periphery of the lithium battery; the liquid cooling plate is arranged on the periphery of the fin structure, a phase-change material filling area is formed between the liquid cooling plate and the fin structure, and the phase-change material filling area is filled with a phase-change material for absorbing redundant heat and generating phase change, so that the temperature fluctuation of the battery is reduced. The lithium bromide heat pump and the direct-current power supply are combined, and accurate adjustment of the temperature of the battery pack is achieved through efficient heat exchange and intelligent control. The system can be rapidly switched between a cooling mode and a heating mode, and it is ensured that the battery is always kept within the optimal temperature range in different working environments.

The invention discloses a plant extraction, separation and purification device, and relates to the technical field of separation and purification, the plant extraction, separation and purification device comprises a distillation retort, the distillation retort comprises a retort body and a retort cover arranged at the top of the retort body, a feeding pipe is fixed at the upper part of the side wall of the retort body, and an exhaust pipe is arranged on the retort cover; the two heating mechanisms are respectively fixed on the inner walls of the left side and the right side of the tank body; the condensation mechanism comprises an air inlet cover and a liquid collecting cover, and a plurality of condensation assemblies are arranged between the air inlet cover and the liquid collecting cover. Vaporized liquid mist of a plant extracting solution moves from top to bottom in the condensation cavity of the condensation assembly, meanwhile, cold water moves from bottom to top in the inner water cavity and the outer water cavity of the condensation assembly, and the condensation cavity is located between the inner water cavity and the outer water cavity, so that the cold water can effectively exchange heat with the vaporized liquid mist in the condensation cavity; therefore, vaporized liquid mist in the condensation cavity is condensed, and the condensation efficiency is effectively improved.

This application relates to a rice husk combustion and recycling drying device, comprising: a combustion furnace and a drying chamber. The combustion furnace includes a biomass buffer chamber and a combustion chamber that are interconnected. An ash chamber connected to the combustion chamber is located inside the combustion furnace. A grate is located above the ash chamber inside the combustion furnace. A heat exchange chamber connected to the combustion chamber is located above the combustion furnace. An igniter is installed on the combustion furnace to ignite the rice husks inside the combustion chamber. A heat exchanger is installed inside the heat exchange chamber. The heat exchanger has a heat exchange channel for heating air. This application, through the coordinated use of the biomass buffer chamber, combustion chamber, ash chamber, heat exchange chamber, and igniter, fully utilizes the rice husks generated during rice processing, burning them as fuel to provide heat energy for the drying process, thus avoiding resource waste caused by the indiscriminate disposal or inefficient use of rice husks.

The utility model relates to a heat dissipation type new energy automobile battery shell, relates to the technical field of battery shells, and aims to solve the problem of poor heat dissipation of a battery shell, the heat dissipation type new energy automobile battery shell comprises a main shell body, the two ends of the main shell body are open, heat dissipation end covers are arranged at the two ends of the main shell body, and any heat dissipation end cover comprises a base and a flow guide outer cover; the base is arranged on the side, close to the main shell, of the flow guide outer cover, the base and the flow guide outer cover are each of a hollow structure and communicate with the interior of the main shell, flow guide through holes are formed in the four side walls of the base in a penetrating mode, and a fan module is arranged in the main shell. And a fan notch for air flow to circulate is formed in the main shell. The battery pack has the effects of effectively absorbing heat generated by the battery and quickly dissipating the heat.

The utility model belongs to the technical field of micro-channel reaction equipment, and particularly discloses a micro-channel reactor which comprises a cooling water pipe, a feeding pipe, a plurality of U-shaped pipes and a discharging pipe, the cooling water pipe is communicated with a plurality of water feeding pipes, each water feeding pipe is communicated with two water feeding branch pipes, the plurality of U-shaped pipes are sequentially communicated in an S shape, and the discharging pipe is communicated with the U-shaped pipes. Each water feeding branch pipe is communicated with the connecting position of the corresponding U-shaped pipe, each U-shaped pipe is composed of a jacketed pipe and an inner pipe, the jacketed pipes are connected to the inner pipes in a sleeved mode, the feeding pipe, the discharging pipe and the U-shaped pipes are all communicated with water return pipes, each water return pipe is provided with a water return thermometer and a water return valve, and the connecting position of each U-shaped pipe is provided with a water feeding thermometer. The micro-channel reactor can effectively improve the reaction uniformity, stabilize the pressure and improve the production safety, the design of the jacketed pipe can effectively reduce heat loss and maintain the heat balance of a reaction system, cooling water enters the multiple branch pipes synchronously, and the stability of the temperature and the pressure of the inner pipe can be maintained.

The light-weight aluminum alloy profile machining cooling device comprises a water storage base, a cooling chamber is fixedly installed on one side of the top of the water storage base, an inlet and outlet is formed in one side of the cooling chamber, a material containing box is arranged on one side of the cooling chamber, and a baffle is fixedly connected to one side of the material containing box; a water outlet groove is formed in the bottom of the material containing box. According to the light-weight aluminum alloy profile machining cooling device, through the design of the cooling chamber, the storage box, the baffle, the motor, the screw, the nut plate, the driving wheel, the driven wheel and the belt, the motor drives the driving wheel to rotate, and the belt drives the driven wheel and the screw to rotate synchronously; the nut plate, the baffle connected with the nut plate and the material containing box are pushed to stably enter and exit from the cooling chamber according to the threaded connection principle, manual carrying is not needed, manpower is saved, operation convenience is guaranteed, the stability and safety of sectional materials in the cooling process are guaranteed, and sectional material damage or safety accidents caused by misoperation or equipment failures are avoided.

The utility model discloses a secondary cooling carrier roller device which comprises a supporting frame, a cold roller assembly and a cooling assembly. A hollow roller shaft is sleeved with a sleeve, the inner wall of the sleeve is connected with a V-shaped oil storage pipe through a fixing plate, and the middle of the oil storage pipe is communicated with a connecting ring pipe and an oil conveying pipe. Labyrinth plugging blocks and built-in spring rods are arranged at the two ends of the oil storage pipe, and the top ends of the spring rods are connected with guide slopes with plugging pieces. Bearings and labyrinth plates are arranged on the two sides of the sleeve, heat dissipation bent grooves are formed in the outer side of the hollow roller shaft, and the rotating pipe is connected with the water sump and the water pipe. The device realizes automatic supply of lubricating oil through rotating centrifugal force, and guides the inclined plane to accurately guide the lubricating oil to the bearing; heat exchange is enhanced by winding airflow and the heat dissipation bent grooves, and the cooling efficiency is improved by a water circulation system; and the labyrinth plate obstructs external impurities. The self-adaptive lubricating device has the advantages of self-adaptive lubrication, efficient heat dissipation, reliable sealing and the like, oil consumption can be reduced, the service life is prolonged, and the maintenance frequency is reduced.

The utility model provides a kind of integrated double independent air duct refrigeration system, including box, evaporator, condenser;The evaporator and condenser are respectively installed in the two sides of box, the box on the outside of evaporator is opened outdoor air inlet, outside air enters the air duct where evaporator by outdoor air inlet, air duct is equipped with air supply fan, air supply fan pushes air to flow through evaporator;Air is sent into refrigeration area after heat exchange with evaporator;Another side of box is equipped with corresponding outdoor air inlet close to condenser, indoor air outlet is equipped opposite outdoor air inlet, outdoor air enters the air duct where condenser by outdoor air inlet, air duct is configured and installs exhaust fan, exhaust fan will wind flow flow through condenser, condenser releases heat, exhaust fan will absorb heat after hot air discharge outdoor.This new double independent air duct design avoids hot and cold air mixing, evaporator and condenser can efficiently carry out heat exchange in relatively independent airflow environment.

The present application relates to helium purification device and method, specifically relates to a kind of metal hydride reactor dehydrogenation helium extraction device and method, purpose is to solve the problems of insufficient pressure fluctuation suppression ability, energy utilization efficiency, energy consumption is higher or the problem of insufficient safety that helium purification technology exists.The present application device includes heat exchanger, first reactor and second reactor are filled with metal hydride and are in parallel, and hydrogen storage tank and related monitoring and control components;First reactor, second reactor and heat exchanger are connected with external public heat exchange equipment.The present application method includes alternately using first reactor, second reactor carries out adsorption and desorption work, and according to actual situation, hydrogen storage tank releases hydrogen, and the system is self-pressurized.The present application improves energy utilization efficiency, reduces the energy consumption of device overall, and the pressure fluctuation of entire system is stable.

The utility model discloses a computer case cold row of side -placed refrigerant connecting mouth relates to water -cooled radiator field. This computer case cold row of side -placed refrigerant connecting mouth, including the cold row main part, is installed with first return flow channel and second return flow channel respectively at the both ends of cold row main part, and is installed with refrigerant circulation connecting mechanism between first return flow channel and second return flow channel, and the refrigerant circulation connecting mechanism includes two groups of refrigerant connectors fixedly arranged in the side portion of cold row main part, and the inside of first return flow channel is provided with the partition, and the partition divides cold row main part into first channel and second channel, and first channel and second channel one end are linked with second return flow channel, and the other end of first channel and second channel is linked with two groups of refrigerant connectors respectively, so that the flow path flow of refrigerant is reduced by half when flowing through cold row main part, and the whole flow through stroke is doubled, makes the refrigerant more efficient and heat exchange with the heat dissipation fin, thereby improves the heat dissipation effect.

This invention discloses a heating-not-burning cigarette cooling unit containing a phase change cooling material and a heating-not-burning cigarette. The unit comprises at least a carrier paper and a phase change cooling material coated on the carrier paper. The phase change cooling material is distributed in a non-fully-covering, regular pattern on the carrier paper. The carrier paper coated with the phase change cooling material forms multiple longitudinally extending channels through winding, folding, gathering, bending, and wrinkling, and has a porosity of 40%-90% along the longitudinal direction. The phase change cooling material comprises 55-96 parts by weight of polyethylene glycol, 1-5 parts by weight of in-situ reinforcing material, and 3-40 parts by weight of thermally conductive filler. The heating-not-burning cigarette cooling unit of this invention has the advantages of high latent heat of phase change, low thermal hysteresis effect, high heat absorption efficiency, apparent stability without collapse, and no leakage.

The utility model discloses a tail gas cooler which comprises a cylinder body, an upper tube plate and a lower tube plate are arranged in the cylinder body, the inner space of the cylinder body is divided into a first space, a second space and a third space by the upper tube plate and the lower tube plate, and a partition plate is arranged in the cylinder body and divides the third space into a first cavity and a second cavity which are independent from each other. Two groups of heat exchange tubes are arranged in the second space, one group of heat exchange tubes are communicated with the first chamber and the first space, and the other group of heat exchange tubes are communicated with the second chamber and the first space; a tail gas inlet is formed in the lower end of the second space; the bottom of the second space communicates with the first discharge outlet, and a plurality of flow blocking components are distributed in the second space. The two sets of heat conduction pipes are directly communicated with the water inlet pipe and the water outlet pipe of cooling liquid, the structure is simple, heat exchange can be efficiently carried out, rapid cooling of electrolytic waste gas is achieved, the electrolytic waste gas is separated in time, and potential safety hazards are avoided.

This invention relates to the field of sintering flue gas incinerator technology, specifically a cooling device for a sintering flue gas incinerator. The device includes an incineration assembly, with a flue gas conveying assembly installed at the upper end of the incineration assembly. A circular pipe is fixed inside the incineration assembly, and a diversion cooling mechanism is provided within the circular pipe. A conical filter screen is installed within the diversion cooling mechanism. A conveying pipe passes through the middle of the upper end of the circular pipe, and the upper end of the conveying pipe passes through the flue gas conveying assembly and is equipped with a dust extraction mechanism. A negative pressure pipe is installed on the dust extraction mechanism. This invention enables rapid flow of the liquid exchange medium to facilitate heat exchange with the incinerator, improving heat utilization efficiency. It also controls the flow direction of the flue gas, achieving cooling through heat exchange and spraying during the flow process. Furthermore, it concentrates and removes impurities from the flue gas, preventing blockages that could impede gas flow.

The invention relates to the technical field of crushers, and discloses energy-saving efficient jaw crushing equipment for building solid waste disposal, which comprises a crusher main body, a movable jaw plate and a fixed jaw plate are respectively mounted in the crusher main body, and a stress dispersion assembly is arranged in the crusher main body. The stress dispersion assembly comprises a plurality of waved plates mounted on the outer surfaces of the movable jaw plate and the fixed jaw plate and a plurality of crushing teeth mounted on the outer surfaces of the waved plates, and building solid waste enters from the upper part of the crusher, so that the large fluctuation of the waved plates can enable the movable jaw plate to generate large impact force on the building solid waste which just enters the crusher at the initial stage; when the lower waved plate at the upper part of the fixed jaw plate is matched with the movable jaw plate according to the fluctuating degree and height, a special crushing space can be formed, and building solid wastes can be guided to a proper crushing position when being pushed and extruded by the driven jaw plate; and the situation that the building solid waste cannot enter the crushing process smoothly due to the fact that the upper structure of the movable jaw plate is too complex is avoided.

The industrial dust removal device comprises a main body mechanism, a cooling structure is fixedly mounted in the main body mechanism and comprises a mounting shell, an air duct is formed in the mounting shell, a cooling mechanism is fixedly mounted in the air duct, and the cooling mechanism is fixedly mounted in the mounting shell. The cooling mechanism comprises a semiconductor chilling plate, a vapor chamber is fixedly installed on one side of the refrigerating face of the semiconductor chilling plate, a plurality of heat pipes are fixedly installed in the vapor chamber, the outer walls of the heat pipes are sleeved with a plurality of backing rings, and a plurality of vapor chamber corrugated plates are fixedly installed in the backing rings. Through cooperation of the soaking plates and the heat pipes, the semiconductor chilling plates can effectively reduce the temperature of the soaking corrugated plates, when flue gas passes through the interior of the air duct, the flue gas is cooled through the soaking corrugated plates, the flowing direction of the flue gas is changed through the soaking corrugated plates in the process, and the heat exchange efficiency of the flue gas is improved. And high-temperature flue gas and the soaking corrugated plate are subjected to efficient heat exchange.

The invention relates to the technical field of refining tanks, in particular to a heat exchange heating device for a rapeseed oil refining tank, which comprises a refining tank main body and a single-layer coil pipe arranged in the refining tank main body, and further comprises a rectangular plate arranged on one side of the refining tank main body, when a heat conduction oil circulating pipe assembly and a cooling water circulating pipe assembly are arranged on one side of the rectangular plate and are in butt joint with the single-layer coil pipe, efficient heat exchange is achieved through the design of the single-layer coil pipe, and in the heating stage, heat conduction oil circularly flows in the single-layer coil pipe to heat grease in the tank; when cooling is needed, the single-layer coil pipe and the cooling water circulation assembly are conducted through the switching conduction piece, cooling water replaces heat conduction oil to flow in the single-layer coil pipe so as to take away heat, the single-pipeline time division multiplexing mode guarantees the effective volume utilization rate of the tank body, and the problem of heat conduction interference possibly occurring in the double-layer and single-layer coil pipe is solved. And integrated control of heating and cooling functions is realized.

The utility model relates to the technical field of compressed air energy storage, in particular to a channel heat exchange device and a compressed air energy storage system. A gas transmission channel is formed in the device body; the two ends of the air conveying channel are connected with air conveying pipelines correspondingly and used for introducing compressed air. A spraying system is arranged at the top of the air conveying channel and used for spraying vaporific liquid drops, and heat exchange is conducted between the vaporific liquid drops and compressed air; a collecting device is arranged at the bottom of the gas conveying channel and used for collecting liquid obtained after heat exchange is completed. Therefore, the problems that the heat exchange efficiency cannot be effectively improved, the energy utilization rate and the overall performance of the compressed air energy storage system are reduced, the use experience of a user is affected and the like due to temperature difference limitation and low heat transfer efficiency between heat exchange media in related technologies are solved.

The utility model relates to evaporator technical field, and disclose a kind of low temperature composite evaporator, including connecting plate, fixed plate, conduction copper pipe, fixed plate both ends thread connecting plate, its front and rear are equipped with multiple conduction pipe, conduction pipe both ends connect connecting plate, on sleeve conduction fin, inner intercalation conduction copper pipe, connecting plate outside thread is equipped with protective shell, conduction copper pipe both ends connect refrigerant inlet, outlet and pass through protective shell, when working, low temperature low pressure liquid refrigerant is entered conduction copper pipe through inlet, absorbs conduction pipe and fin heat and evaporates into gaseous state after from outlet, the conduction fin on conduction pipe increases heat transfer area, strengthens heat exchange, cooled medium flows outside evaporator, realizes cooling by fin and conduction pipe surface, connecting plate and fixed plate thread and bolt connection ensure structure stability, protective shell protection assembly, optimize airflow, the connection of support plate and connecting plate, mounting plate and support plate, make equipment easy to install, disassemble and maintain, can stable high-efficiency refrigeration.

The utility model discloses a kind of injection mould of quick cooling forming, comprising: the base of ejection mechanism is installed in inside;Lower mould, lower mould is placed in the top of the base, the middle part of the lower mould is fixedly connected with mould core, the bottom of the mould core is equipped with multiple circulating water holes;Upper mould, upper mould is placed in the top of the lower mould, the bottom of the upper mould is provided with the cavity of cooperation with mould core;The beneficial effects of the utility model are: through the circulating water hole of mould core bottom and the water delivery hole on cold water plate, a spiral water cooling system of water diversion is formed;Water is introduced into the circulating water hole in the bottom of mould core by cold water pin, so that cooling water can be directly contacted with mould core, efficient heat exchange is realized, so that mould core temperature is quickly reduced, and injection molding efficiency is improved.

The utility model relates to closed cooling tower technical field, concretely relates to a closed cooling tower, including cooling tower body, heat exchange plate and filler, the heat exchange coil pipe is equipped with in the cooling tower body inner chamber, the top surface and the bottom surface of heat exchange coil pipe are spaced apart and are welded with a plurality of heat exchange plates, the filler sets up between each layer water pipe of heat exchange coil pipe, the utility model discloses spaced apart and are welded with a plurality of heat exchange plates on the top surface and the bottom surface of heat exchange coil pipe, utilize heat exchange plate to increase the formation area of water film, namely increased the effective area of evaporative heat dissipation, to the circulating water cooling effect of flowing in heat exchange coil pipe is thus promoted, simultaneously adds the filler between each layer water pipe of heat exchange coil pipe, utilizes the filler to scatter, spreads out, forms extremely thin water film or breaks into a large number of small water drop with big granule water drop or water flow, maximizes the contact area and contact time between water and air, thereby efficiently carries out heat exchange.

The utility model discloses a kind of lithium battery top cover piece injection molding processing mould, comprising: bottom die seat and top die seat, the inside of top die seat is equipped with clamping groove, the top of top die seat is equipped with lifting seat;Lifting assembly, including driving part and locating block, the locating block output end is connected with the locating block, locking plate is set between the locating block and the lifting seat;Forming base is set to the top of bottom die seat, the bottom of forming base is evenly equipped with ejector, the inside of forming base is equipped with forming groove and the inside of forming groove is evenly penetrated and is equipped with communicating hole channel;Forming top seat.The utility model can improve the yield of product and the degree of unification of multiple groups of product forming production, can press out different modeling or sign on the surface of battery top cover piece, no longer need additional processing procedure, also can carry out simple and fast height adjustment, convenient to discharge discharge, also convenient to adjust processing according to different product parameters.

A material constant temperature device comprises an outer sleeve, an inner pipe is arranged in the outer sleeve, the inner pipe is provided with a material inlet and a material outlet, and the outer sleeve is provided with a hot water inlet and a hot water outlet. The hot water inlet is connected with an outlet of a tubular heat exchanger through a pipeline and further connected with a water source through a pipeline and a water supplementing valve, the hot water outlet is connected with an outlet of the tubular heat exchanger through a pipeline, and a temperature sensor and a water pump are arranged on the pipeline between the hot water outlet and the outlet of the tubular heat exchanger. A steam inlet of the tubular heat exchanger is connected with a steam source through a pipeline, a steam adjusting valve, a steam automatic stop valve and a manual stop valve. According to the material constant temperature device, the tubular heat exchanger is used as a heat exchange part, efficient heat exchange of materials is achieved through circulating flowing of hot water and steam, and energy consumption is reduced. And through linkage of the steam regulating valve and the temperature sensor, the steam opening degree is accurately controlled, and therefore accurate regulation and control over the hot water temperature are achieved.

This utility model discloses an immersion-type liquid cooling pipeline for a battery pack. An inlet connector is fixedly installed on the battery pack. One end of the inlet connector is connected to one end of an inlet hose via a first adapter on the inner side of the battery pack, and the other end of the inlet hose is connected to the main inlet pipeline via a second adapter. The first, second, third, and fourth inlet pipes are arranged in parallel, and their inlets are connected one-to-one with multiple outlets on the main inlet pipeline. Multiple spray nozzles are evenly arranged on the first, second, third, and fourth inlet pipes. The outlet connector is fixedly installed on the battery pack. This system enables highly efficient heat dissipation. When the cell temperature rises, this pipeline can completely immerse the cell in the coolant, achieving highly efficient heat exchange, with a heat dissipation efficiency far exceeding that of traditional cold plate cooling systems.

The utility model is applied to the technical field of cooling towers, and discloses a filler-free cooling tower which comprises a tower body, an exhaust port is fixedly arranged at the upper end of the tower body, an air inlet pipe and a first communicating groove are arranged in the side surface of the lower end of the tower body, and an air inlet nozzle is fixedly arranged on the bottom surface in the tower body. A cooling mechanism is arranged in the tower body, the overall cooling efficiency is improved by atomizing and spraying cooling water, the cooling mechanism comprises a receiving tower, and an atomizing nozzle is fixedly arranged on the inner side surface of the upper end of the receiving tower. According to the packing-free cooling tower, the packing-free design is adopted, the tower body, the gas inlet spray head, the atomizing spray head, the gas-liquid separator and other structures are matched with one another, the problems of packing aging and blockage are fundamentally solved, shutdown for cleaning or packing replacement is not needed, the labor and material cost is reduced, the maintenance cost is greatly reduced, and the production continuity is ensured.

A heat dissipation device for a wind power tower relates to the technical field of wind power generation and comprises an air cooling heat exchange device, a heat exchanger, a rotary transition device and a fan. The air-cooled heat exchange device is located at the top of the wind turbine generator, conducts heat exchange through natural wind and comprises a mounting frame, a water outlet pipe, a water return pipe, an S-shaped heat exchange pipe, cooling fins and the like, a heat insulation plate is arranged at the top of the mounting frame, and a protective net is arranged around the mounting frame. The heat exchanger is arranged in the tower drum base and is communicated with the air-cooled heat exchange device through a pipeline, and a circulating pump is arranged on the pipeline; the rotary transition device enables the pipeline to rotate relatively and comprises a fixing base, a ring sleeve, a water outlet connector and other components. The fan carries out air-cooling heat dissipation on the electrical equipment in the base; the ventilation hole in the tower drum access door is matched with an exhaust fan to exhaust air; the structure is simple, natural wind resources at the top are utilized, no extra cooling fan is needed, and the running cost of a cooling system is reduced; and the problem of pipeline connection between the heat exchanger and the air-cooled heat exchange device when the wind turbine generator rotates is solved.

The invention discloses polishing equipment with a scrap cleaning function for a sealing device, and relates to the technical field of sealing device polishing. The polishing equipment for the sealing device comprises a supporting frame, a sealing door, a polishing machine, a cooling device, an intermittent rotating device, a clamp and a scrap recycling device; the clamp can clamp the sealing device, the polishing machine can ascend and descend back and forth to polish one face of the sealing device, the cooling device absorbs heat generated in the polishing process, the temperature of a polishing wheel is reduced, deformation caused by overheating in the polishing process is prevented, and the chipping recycling device recycles chippings generated in the polishing process. And after one surface of the sealing device is polished, the intermittent rotating device drives the clamp to rotate, the unpolished surface of the sealing device is turned to the polishing machine, and the polishing machine polishes the unpolished surface until all the surfaces of the sealing device are polished.

The utility model discloses a liquid cooling plate based on an ultralow-conductivity material, and relates to the technical field of liquid cooling plates. Comprising a plate body and further comprises a liquid cooling assembly, the outer wall of the liquid cooling assembly is fixedly connected with the inner wall of the plate body, and the inner wall of the plate body is fixedly connected with a heat dissipation assembly; the liquid cooling assembly comprises a spiral pipe, the liquid cooling plate forms a double protection system of physical insulation and material insulation through the arrangement of the plate body made of ultralow conductivity materials and the thermal insulation sleeve, a conductive path between cooling liquid and electronic equipment is blocked, the risk of short circuit caused by electric leakage is avoided, heat loss is reduced through the arrangement of the thermal insulation sleeve, and the service life of the electronic equipment is prolonged. According to the liquid cooling plate, performance reduction caused by temperature rise of surrounding parts is prevented, stable operation of equipment in severe environments such as high pressure and humidity is ensured, the contact area of cooling liquid and the plate body is increased through matrix type arrangement of the spiral pipes and the fluid self-driving design that the rotating ring drives the blades, and the purpose of the liquid cooling plate based on ultralow conductivity materials is achieved.

This invention relates to the design and fabrication method of a stretchable and shapeable thermoelectric device based on high-performance thin-film materials. First, a regular "paper-cut structure" array pattern is cut into a substrate thin-film material. Then, high-performance p-type and n-type thermoelectric materials are deposited sequentially on the substrate. Finally, electrode materials are deposited to connect the p-type and n-type thermoelectric materials in series. The thin-film thermoelectric device based on the paper-cut structure of this invention can transform from a two-dimensional planar structure to a three-dimensional structure under external force, changing the heat conduction within the device from a planar direction to a vertical direction, maximizing the utilization of the temperature difference between the heat source and the environment, and improving the device's power generation performance. Due to the three-dimensional network structure of the device itself, the cold end of the device can effectively exchange heat with the environment without the need for an additional heat dissipation module. The device structure of this invention is ingeniously designed, with strong compatibility in the fabrication process, and has significant application prospects in the field of wearable self-powered devices.

The utility model relates to the technical field of vacuum heat treatment equipment, and discloses a double-temperature-zone dynamic heat insulation device in a vacuum chamber, which comprises a vacuum chamber shell, the top of the vacuum chamber shell is fixedly connected with a fixed plate, the inner side of the fixed plate is fixedly connected with an upper chamber shell, the outer side of the vacuum chamber shell and the outer side of the upper chamber shell are provided with a circulating assembly, and the circulating assembly is connected with the vacuum chamber shell. A plurality of connecting plates are fixedly connected to the side face of the fixing plate, driving assemblies are arranged on the side faces of the connecting plates, two circular plate cooling assemblies are arranged in the vacuum cavity shell, and a plurality of rotating shafts are rotationally connected to the inner side of the fixing plate. The rotating power source drives the rotating shaft to rotate, so that dynamic stirring of the rectangular water cooling plate in the vacuum chamber is achieved, static heat distribution is broken, cooling liquid is driven to circulate through the water outlet flow channel and the water inlet flow channel in the rotating shaft, efficient heat exchange in the rotating state is achieved, and the turbulence effect is enhanced through centrifugal force.