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26results about How to "Increase cooling power" patented technology

Cooling control method and cooling assembly of electric automobile and automobile

The invention discloses a cooling control method of an electric automobile, a cooling assembly and the automobile. The method comprises the steps that whether a power battery meets a cooling starting condition or not is judged according to the environment temperature and battery state information; if the power battery meets the cooling starting condition, controlling a cooling assembly to operate to enable the power battery to enter a cooling mode; dynamically adjusting the cooling strategy of the cooling assembly according to the change of the battery state information in the cooling mode; and if the power battery meets the cooling stop condition, controlling the cooling assembly to operate to enable the power battery to exit the cooling mode. Whether cooling needs to be started or not is comprehensively judged through the environment temperature and the battery state information, and the cooling strategy is dynamically adjusted through the battery state change after cooling is started, so that early starting and accurate regulation and control of power battery cooling are achieved, rapid temperature rise of the power battery is avoided, the charging efficiency is improved, and the service life of the battery is prolonged.
Owner:DONGFENG MOTOR CO LTD DONGFENG NISSAN PASSENGER VEHICLE CO

Efficient heat dissipation module for notebook computer

The invention relates to the technical field of radiators, in particular to an efficient heat dissipation module for a notebook computer, which comprises a base, a heat dissipation module and a heat dissipation module, the fan is arranged on one side, far away from the base, of the heat dissipation fins; the connecting piece is arranged on the base; the elastic locking structure is mounted on the base, and a first convex shaft arranged at the end part of the radiating fin is matched with the connecting piece and the elastic locking structure; the clamping assembly is connected with the heat dissipation fins and the fan, the clamping assembly comprises an abutting structure and a locking piece, and the abutting structure is matched with the locking piece so that the heat dissipation fins can be connected with the fan; the speed regulating switch is arranged on the base and is electrically connected with the fan; and the follow-up assembly is connected with the heat dissipation fins, the follow-up assembly can control the speed regulation switch to act in real time according to the temperature of the heat dissipation fins, and portable assembly and intelligent temperature control are achieved.
Owner:SUZHOU YONGTENG ELECTRONICS PROD

Radiator with heat pipes spliced on side surfaces for heat conduction

The utility model relates to the technical field of heat dissipation devices, in particular to a radiator with heat pipes spliced on the side faces for heat conduction. The radiator comprises a mounting frame and multiple heat pipe assemblies, the multiple heat pipe assemblies are sequentially arranged in the first direction, each heat pipe assembly comprises a first heat pipe and a second heat pipe, each first heat pipe comprises a first heat absorption part, a connecting part and a first heat conduction part, each first heat absorption part abuts against the mounting frame, and one end of each connecting part is connected with one end of the corresponding first heat absorption part; the connecting part and the first heat conduction part are sequentially connected in the direction away from the first heat absorption part, the first heat conduction part and the second heat pipe extend in the second direction, the second heat pipe and the first heat conduction part are arranged in a one-to-one correspondence mode, and the second heat pipe is partially spliced with the side face, perpendicular to the first direction, of the first heat conduction part, so that the contact area of the second heat pipe and the first heat conduction part is increased. The heat conduction effect from the first heat conduction part to the second heat pipe is improved, and the heat dissipation power of the radiator is improved.
Owner:TENON HEAT EXCHANGE TECH (ZHONGSHAN) CO LTD

Efficient regenerative all-solid-state magnetic refrigeration device operating in single magnetic field and application of efficient regenerative all-solid-state magnetic refrigeration device

The invention provides an efficient heat regeneration all-solid-state magnetic refrigeration device operating in a single magnetic field, which comprises at least one refrigeration unit, the refrigeration unit comprises a refrigeration layer and a heat regeneration layer which are arranged in parallel, and the refrigeration layer comprises a plurality of refrigeration sheets embedded in a first heat insulation material at intervals; the heat regeneration layer comprises a plurality of heat regeneration pieces embedded in a second heat insulation material, the refrigeration piece is equal to the heat regeneration piece plus 1, the refrigeration layer and the heat regeneration layer are made to do reciprocating translational motion during working through the arrangement of the refrigeration unit, and heat conduction exists between the refrigeration piece and the heat regeneration piece. The magnetic refrigeration device can operate in a single simple continuous magnetic field, the requirement for a magnet is reduced, the magnetic refrigeration device is more economical and environmentally friendly, the multiple heat regeneration pieces are used, heat conduction is conducted at the two moving terminals at the cold end and the hot end at the same time, the heat regeneration efficiency is greatly improved, and therefore the heat regeneration factor and the refrigeration power density are improved.
Owner:INSTITUTE OF PHYSICS CHINESE ACADEMY OF SCIENCES

Design method of multi-stage thermoelectric cooler adaptive to multi-component bismuth telluride temperature zone

PendingCN121997558AAchieve structural optimizationSolve the problem of difficulty in maintaining optimal performance in the full temperature rangeDesign optimisation/simulationBismuth tellurideRefrigeration temperature
The invention discloses a design method of a multi-stage thermoelectric cooler adaptive to a multi-component bismuth telluride temperature zone. The design method comprises the following steps: preparing bismuth telluride materials with various components and different thermoelectric properties; testing the change relation of the thermoelectric parameters of the multiple groups of bismuth telluride materials in a near room temperature range along with the temperature; based on a test result, screening the bismuth telluride material with the highest thermoelectric figure of merit in different temperature zones, drawing a curve of thermoelectric parameters of the bismuth telluride material changing along with the temperature, and fitting to obtain a high-order term expression taking the temperature as a variable; setting an initial value of the logarithm and an initial value of the grain size of each layer of element of the multistage thermoelectric refrigerating unit, and substituting the obtained fitting expression into a heat balance equation set of the multistage thermoelectric refrigerating unit according to a temperature zone for analysis; and solving a heat balance equation set by iterating the logarithm and the grain size of each layer of element to obtain an optimal design parameter and finish the design. By means of the method, structural optimization of the multistage thermoelectric cooler can be achieved, material temperature zone adaptation and structural parameter collaborative optimization are achieved, and the refrigeration temperature difference and the refrigeration power are remarkably improved.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST

Heat dissipation device

The utility model relates to the technical field of radiators, in particular to a radiating device. The heat dissipation device comprises a bottom plate, a first heat dissipation assembly and a plurality of heat pipe assemblies. The heat pipe assemblies are arranged at intervals in the first direction, each heat pipe assembly comprises a plurality of heat pipes, each heat pipe is of a U-like structure, and each heat pipe comprises a heat absorption part abutting against the end face, away from the heating piece, of the bottom plate; the first heat dissipation assembly comprises a plurality of first heat dissipation pieces arranged between every two adjacent heat pipe assemblies, the first heat dissipation pieces abut against the bottom plate and comprise at least one pressing block arranged on one side in the first direction, the pressing blocks can limit the heat absorption parts between the pressing blocks and the bottom plate, and the structural stability is improved; heat conduction between the bottom plate and the heat pipe and heat conduction between the heat pipe and the first heat dissipation piece are guaranteed, then the heat dissipation power of the heat dissipation device is improved, the pressing block is simple in structure, the pressing block belongs to the structure of the first heat dissipation piece, independent assembling and fixing are not needed, operation is convenient, and the assembling and disassembling efficiency of the heat dissipation device is improved.
Owner:TENON HEAT TRANSFER TECH ZHONGSHANCO LTD

Integrated circuit heat dissipation device

The present invention discloses an integrated circuit heat dissipation device, the heat dissipation device comprising: a heat dissipation plate with a single-sided inflation structure, the heat dissipation plate comprising a cavity for circulating a superconducting medium; the heat dissipation plate further comprising: a heat dissipation end, a heat absorption end and a transition section connecting the heat dissipation end and the heat absorption end; wherein the heat absorption end comprises a contact area that is bonded to a circuit board chip; on a horizontal plane, the position of the heat dissipation end is higher than the position of the heat absorption end; the heat absorption end is configured to deviate from the symmetry axis in the width direction of the heat dissipation end, and the contact area is located at the symmetry axis deviating from the width direction of the heat absorption end; a loop is formed between the transition section, the heat absorption end and the heat dissipation end so that the superconducting medium flows between the heat dissipation end and the heat absorption end in a fixed flow direction; and the heat dissipation device further comprises a fixing member for fixing the circuit board and the heat absorption end.
Owner:HENAN NEW KELONG ELECTRICAL APPLIANCES

A relay and an automatic protection method for circuits using the relay.

This invention relates to a relay and an automatic circuit protection method using the relay. The relay includes a housing, conductive steps disposed on the inner walls of the left and right sides of the housing, and a stepped conductive bridge that can dynamically fit with the conductive steps. External cables pass through the housing and are electrically connected to the conductive steps. A piston push rod device drives the conductive bridge to rise and fall, connecting or disconnecting it from the conductive steps. The piston push rod device is driven by vapor generated by the sublimation of an easily sublimable substance. This relay and the automatic high-voltage circuit protection method using the relay are not only reusable, but also have a simple and stable structure, low manufacturing and assembly costs, stable operation, long service life, and can reliably achieve power cut-off in a fire.
Owner:XIAMEN YOUGE AUTOMATION TECH CO LTD

Chiller structure for corrosive liquid

The utility model relates to the technical field of chiller structures, in particular to a corrosive liquid chiller structure which comprises a flow channel box body, a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are fixedly communicated with the two sides of one end of the flow channel box body, the liquid inlet pipe is located at the top of the liquid outlet pipe, and a cooling mechanism used for rapidly cooling corrosive liquid is arranged on the flow channel box body. The cooling mechanism comprises cold guide plates arranged on the two sides of the runner box body and water cooling plates arranged on one sides of the two cold guide plates correspondingly, and a plurality of screws distributed in an array mode are arranged on one sides of the water cooling plates. According to the chiller structure, the thermal contact area of corrosive liquid can be increased, the heat conduction effect is greatly enhanced, the cooling effect of the corrosive liquid is improved, the situation that the heat exchange effect of the corrosive liquid becomes poor due to unstable flowing of circulating water is avoided, the cooling power of the chiller structure is improved, the heat dissipation function of the battery is enhanced, and the service life of the battery is prolonged. And the practicability of the chiller structure is improved.
Owner:HFEW TECH CO LTD

A new variable-pitch serpentine plate type phase change cold accumulator structure

The utility model belongs to the technical field of heat energy storage and heat supply control, provide a new type of variable interval serpentine plate type phase change cold accumulator structure, including the cold accumulator shell, the serpentine series connection pipe subassembly including the connecting sleeve subassembly between the two opposite side walls of cold accumulator shell and a plurality of setting in the mouth type pipe plate of cold accumulator shell, a plurality of mouth type pipe plates are in parallel, and the connecting sleeve subassembly is used for connecting a plurality of mouth type pipe plates in proper order to make a plurality of mouth type pipe plates form series intercommunication, and the connecting sleeve subassembly is communicated with fluid inlet and fluid outlet, and along the flow direction of fluid, the interval between two adjacent mouth type pipe plates gradually reduces, and the interval between two adjacent mouth type pipe plates is filled with phase change material, and the phase change material is used for carrying out heat exchange with the fluid in the mouth type pipe plate. The utility model discloses variable interval serpentine plate type phase change cold accumulator structure little flow resistance, high heat transfer efficiency, compact structure is applicable to the high power density demand scene.
Owner:SOUTH CHINA UNIV OF TECH +1

Heat-conducting insulating coating, preparation method and lithium ion battery module

The invention relates to the technical field of paint, in particular to a heat-conducting insulating coating, a preparation method and a lithium ion battery module. The material of the heat-conducting insulating coating comprises insulating particles coated with one-dimensional heat-conducting nanofibers; the one-dimensional heat conduction nanofiber comprises a first polymer and a heat conduction agent dispersed in the first polymer; the material of the insulating particles includes a second polymer. According to the heat-conducting insulating coating disclosed by the invention, the problem of low heat conductivity caused by discontinuous heat transfer channels in a conventional insulating composite material coating is solved, the heat dissipation power of the battery is remarkably improved, and the temperature difference between different battery cells in a large-size energy storage lithium ion battery module is reduced, so that the temperature uniformity of the outer surface of the battery is enhanced, and the service life of the battery is prolonged. Therefore, the consistency of the battery in the operation process is ensured, the synchronous aging of the battery is realized, and the rapid attenuation caused by inconsistent operation is avoided; and meanwhile, the coating has good insulating property, so that the safety of the battery is ensured.
Owner:STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED +3

Movable phase change cold storage device for refrigerated container

ActiveCN222453237Ureduce shipping weightreduce weightTank wagonsCold chainCool storage
The utility model relates to the technical field of refrigerated containers, and discloses a movable phase change cold storage device for a refrigerated container, which comprises a fixed frame and a plurality of box bodies arranged on the fixed frame, the plurality of box bodies are at least divided into one group; the plurality of box bodies in each group are communicated through a connecting pipe and form at least one inlet and at least one outlet which are respectively used for filling and discharging the phase change medium into and out of the box bodies before the refrigerated container is transported; the box body is of a telescopic structure and is used for automatically stretching out and drawing back to conduct volume change matched with phase change of a phase change medium when the phase change medium is subjected to phase change under the cooling effect of a refrigeration system of the refrigerated container and / or goods in the refrigerated container. A conventional mode that goods need to be precooled outside the refrigerated container is changed, the phase change cold storage technology is reasonably fused into the refrigerated container through the device, the functions of goods precooling and cold chain transportation are directly carried out in the refrigerated container, goods transfer is not needed, and the total refrigeration cost is reduced.
Owner:CHONGQING CHANGZHENG HEAVY IND

A water-cooled mobile phone protective cover with RFID function and a manufacturing method thereof

The present invention discloses a water-cooled mobile phone protective cover with RFID function and a manufacturing method thereof, and relates to the technical field of mobile phone protective covers. The present invention includes a mobile phone case with an RFID sensor, a charging port is provided on the mobile phone case, a lens hole is provided on the mobile phone case, an anti-fall component is installed on the mobile phone case, and the mobile phone case is composed of a mobile phone frame, an inner sheet, a foam sheet and a water-cooling component. The advantages are: the mobile phone protective cover reduces the impact force of the mobile phone falling through the cooperation between the support rod and the telescopic rod, and improves the protection ability of the mobile phone protective cover. At the same time, the water cooling system in the mobile phone protective cover improves the heat dissipation efficiency of the mobile phone. In combination with the mutual cooperation of the flow control valve and the RFID sensor, different models of mobile phones can be quickly identified, and the flow of the coolant can be controlled according to different operating states of the mobile phone, which can further improve the heat dissipation efficiency of the mobile phone and improve the cooling flexibility.
Owner:DONGGUAN ENHAO ELECTRONICS CO LTD

Radiator capable of rapidly taking heat in middle

The utility model relates to the technical field of radiating devices, in particular to a radiator capable of rapidly taking heat in the middle. The radiator comprises a mounting frame and a heat pipe assembly. The heat pipe assembly is arranged on the installation frame and comprises a plurality of first heat pipes and a plurality of second heat pipes, each first heat pipe comprises a first heat absorption part, the first heat absorption parts of the first heat pipes are arranged on the installation frame in parallel in the first direction in a contact mode, and each second heat pipe comprises a second heat absorption part. The multiple second heat absorption parts of the multiple second heat pipes are parallel in the second direction and make contact with each other, the second heat absorption parts abut against the end faces, away from the mounting frame, of the first heat absorption parts, and the first direction is perpendicular to the second direction. According to the heat pipe assembly, the second heat absorption part is used for rapidly absorbing heat and conducting heat for the middle corresponding heating piece heat concentration area of the first heat absorption part, the heat conduction effect and heat conduction efficiency of the heat pipe assembly are improved, and then the heat dissipation power of a radiator is improved.
Owner:TENON HEAT EXCHANGE TECH (ZHONGSHAN) CO LTD

Special-shaped backflow channel vapor chamber and radiator

The utility model discloses a special-shaped backflow channel temperature equalizing plate and a radiator, the temperature equalizing plate comprises an upper body, a lower body, a first capillary structure, a second capillary structure and a backflow channel body, the first capillary structure is located on the inner surface of the upper body, the second capillary structure is located on the inner surface of the lower body, and the backflow channel body is located on the lower body. The upper body and the lower body form a closed cavity, and the backflow channel body is provided with a plurality of micro-channels used for backflow of working media. According to the special-shaped backflow channel temperature uniformizing plate and the radiator, the backflow channel body is additionally arranged, and the plurality of micro-channels used for backflow of the working media are arranged on the backflow channel body; the liquid working medium is helped to flow back to the lower body, the multiple micro-channels are additionally arranged, the backflow liquid working medium collected by the micro-channels is more, the backflow speed is higher, and the heat dissipation power and the temperature uniformizing performance of the temperature uniformizing plate can be remarkably improved.
Owner:HUIZHOU CHUYUE THERMAL TECH CO LTD

Heat dissipation device with oppositely wrapped heat pipes

The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device with heat pipes wrapped oppositely. The heat dissipation device comprises a mounting plate, a plurality of heat dissipation assemblies and two heat pipe assemblies. The multiple heat dissipation assemblies are arranged at intervals in the first direction to form a containing gap, the two heat pipe assemblies are of a U-like structure and oppositely wrap the heat dissipation assemblies in the second direction, each heat pipe assembly comprises a plurality of heat pipes, each heat pipe comprises a heat conduction part, and the heat conduction parts are arranged on the heat dissipation assemblies. The heat conduction parts extend in the second direction and penetrate through the containing gaps of the two adjacent heat dissipation assemblies, the heat pipes are divided into multiple sets, the heat conduction parts of each set of heat pipes are located in the different containing gaps respectively, and the two side walls of the heat conduction parts make contact with the two adjacent heat dissipation assemblies respectively. According to the heat dissipation device, the heat pipes relatively wrapping the heat dissipation assembly are utilized, the number of the heat pipes making contact with the heat dissipation assembly is increased, meanwhile, the contact area of the heat pipes and the heat dissipation assembly is increased, and the heat dissipation power of the heat dissipation device can be improved.
Owner:TENON HEAT EXCHANGE TECH (ZHONGSHAN) CO LTD

Thermal adaptability radiation cooling material with phase change function and preparation method of thermal adaptability radiation cooling material

ActiveCN119613605AImprove solar reflectivityHigh infrared emissivityHeat-exchange elementsMolecular networkIn situ polymerization
The invention relates to a thermal adaptability radiation cooling material with a phase change function and a preparation method of the thermal adaptability radiation cooling material. The thermal adaptability radiation cooling material is composed of an organic network framework and inorganic nanometer self-assembly cavities distributed in the organic network framework. The preparation method comprises the following steps: mixing an oil-soluble monomer, a cross-linking agent, a photoinitiator and a surfactant to prepare an organic pre-polymerization solution A; mixing an inorganic nano element, a water-soluble monomer and a photoinitiator to prepare an inorganic nano dispersion liquid B; mixing A and B according to the volume ratio of 2: (1-6) to form a precursor emulsion system C, and performing ultraviolet in-situ polymerization to obtain two-phase heterogeneous gel D; the thermal adaptability radiation cooling material with a heterogeneous pore structure is formed after drying, and the material realizes high infrared emissivity through strong infrared vibration of surface molecular groups; the high refractive index difference of the internal heterogeneous pore structure effectively scatters sunlight; the phase-change polymer network can absorb heat and relieve high-temperature heat accumulation. Meanwhile, due to the self-repairing, self-cleaning and tolerance of the material, the environmental adaptability is improved, and the application range is expanded.
Owner:UNIV OF CHINESE ACAD OF SCI

Electrocaloric refrigeration system and household appliance

The utility model relates to the technical field of electrocaloric refrigeration, and discloses an electrocaloric refrigeration system which comprises a positive electrocaloric refrigeration device, a negative electrocaloric refrigeration device, a first working medium circulation flow path, a second working medium circulation flow path, a first communicating pipeline and a second communicating pipeline. The two ends of the first working medium circulation flow path communicate with the positive electrocaloric refrigeration device correspondingly, and the first working medium circulation flow path is provided with a hot end radiator. The two ends of the second working medium circulation flow path communicate with the negative electric card refrigeration device correspondingly, and the second working medium circulation flow path is provided with a cold end radiator. The first communicating pipeline is communicated with the positive electrocaloric refrigeration device and is communicated with the cold end radiator; and the second communicating pipeline is communicated with the negative electric card refrigerating device and is communicated with the hot end radiator. According to the electrocaloric refrigeration system, refrigeration can be continuously carried out under the condition that the positive electrocaloric refrigeration device and the negative electrocaloric refrigeration device are subjected to electric field adding or electric field removing at the same time. The utility model further provides the household appliance.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD

A smart wind turbine generator set with a liquid cooling system

PendingCN122082952AOptimize cycle energy consumptionReduce the temperatureMachines/enginesWind motor monitoringNacelleCoolant flow
This invention provides an intelligent wind turbine generator set with a liquid cooling system, including a tower, a nacelle mounted on top of the tower, and a generator body and converter housed within the nacelle. It also includes a liquid cooling circulation system and a control unit. The liquid cooling circulation system comprises coolant, a pump station, a radiator, and cooling channels arranged on the surfaces of the generator body and converter. This application effectively reduces hot spot temperatures and improves heat dissipation efficiency by tightly adhering the cooling channels to the generator and converter surfaces, combined with real-time adjustment of the coolant flow rate by the control unit. For example, the cooling channels are made of thermally conductive material and adhered to the stator windings and power modules, ensuring rapid heat conduction. The coordinated operation of the pump station and flow control valve optimizes coolant circulation energy consumption, while the combined design of the radiator and fan enhances heat dissipation. The overall system reduces energy consumption while extending the service life of key components.
Owner:JILIN TONGYU WINDPOWER BRANCH OF HUANENG INT POWER DEV CORP

Thermally conductive heat sink

ActiveCN224385965UIncrease heat conduction distanceIncrease cooling powerCooling/ventilation/heating modifications
This utility model relates to the field of radiator technology, and more particularly to a heat dissipation device with graded heat conduction. The heat dissipation device includes a primary heat conduction component, multiple sets of secondary heat conduction components, multiple sets of tertiary heat conduction components, and multiple sets of heat dissipation components. The secondary heat conduction components abut against the primary heat conduction components, and the tertiary heat conduction components are arranged one-to-one with the secondary heat conduction components. The corresponding tertiary heat conduction components and secondary heat conduction components abut against each other on opposite sides along a first direction. The tertiary heat conduction components and secondary heat conduction components are arranged sequentially along a second direction. Each heat dissipation component has a first receiving groove arranged along the second direction, in which the secondary and tertiary heat conduction components are located. Each set of secondary heat conduction components contacts two adjacent sets of heat dissipation components on two sides along the first direction, and each set of tertiary heat conduction components contacts two adjacent sets of heat dissipation components on two sides along the first direction. This heat dissipation device improves heat dissipation power and expands its application range.
Owner:TENON HEAT TRANSFER TECH ZHONGSHANCO LTD

Operation auxiliary frame for gastrointestinal surgery

The invention relates to an operation assisting frame for gastrointestinal surgery, and belongs to the technical field of medical instruments, the operation assisting frame comprises a foot stool and a supporting plate, the supporting plate comprises a plurality of rectangular hinge plates, one of the rectangular hinge plates is connected with the foot stool, the long sides of the rectangular hinge plates are hinged to the long sides of the adjacent rectangular hinge plates through hinge shafts, and the hinge shafts are connected with the foot stool. Springs are arranged in the hinge shafts, the springs are used for enabling the rectangular hinge plates to rotate towards the side away from the foot stool, a back cushion is arranged on the side, away from the foot stool, of any rectangular hinge plate, and a heat conduction strip is arranged on the side face, close to the adjacent back cushion, of any back cushion. The supporting structure has the advantages of being good in supporting effect and comfortable.
Owner:皖南医学院第二附属医院

Graphene phase change material polymerization packaged integrated heat dissipation device and preparation method thereof

The invention provides a graphene phase change material polymerization packaged integrated heat dissipation device and a preparation method thereof, and the preparation method comprises the following steps: mixing a graphene material with a phase change material to prepare a graphene phase change matrix; processing in the graphene phase change matrix to form a micro-channel structure; the method comprises the following steps: depositing a polyamide acid precursor on the surface of a graphene phase change substrate to obtain a polyamide acid precursor film, then carrying out thermal imidization treatment to obtain a continuous polyimide polymer packaging film, then injecting a cooling liquid into a micro-channel of the heat dissipation device, and carrying out packaging to obtain the integrated heat dissipation device. The graphene phase change matrix improves the heat conductivity coefficient and realizes light weight, so that the requirements of high efficiency and low-weight heat dissipation are met; the micro-channel structure and the phase change material function cooperate to realize integration of energy storage, heat conduction and heat dissipation, and the heat dissipation power is improved; an ultrathin polyimide packaging film is formed through polymerization packaging, and zero-wrapping-edge insulation packaging of a complex structure is achieved.
Owner:广东一纳科技有限公司

Dilution refrigerator

This invention provides a dilution refrigeration machine, relating to the technical field of dilution refrigeration machines, comprising a mixing chamber, an evaporation section, a first pump set, and a second pump set. The mixing chamber contains... 3 He- 4 The mixture is subjected to phase separation into a concentrated phase and a diluted phase at a first temperature. The evaporation section is connected to the mixing chamber and contains the diluted phase, providing a portion of the diluted phase for further processing. 3 He evaporates into the gas phase. 3 He. The first pump unit will pump the gas phase... 3 He continuously extracts, causing the mixture in the mixing chamber to... 3 He is added to the evaporation section along the concentration gradient for continuous evaporation, with the concentrated phase corresponding to the dilution phase. 3 The concentration of He decreases, compensating for the decrease in the dilution phase. 3 He simultaneously absorbs heat from the surroundings, and the first pump unit extracts the gas phase. 3 After the he condenses into a concentrated phase, it is replenished to the mixing chamber for cyclic refrigeration. The second pump unit continuously draws out a portion of the evaporator section. 4 He was sent back to the mixing chamber to be incorporated into the dilution phase, further reducing its concentration. 3 He concentration increases in the concentrated phase 3 The amount of He that migrates into the diluted phase.
Owner:UNIV OF SCI & TECH OF CHINA +1

Variable-pitch plate-fin energy-saving heat exchanger

ActiveCN120926788BPrevent safety hazards such as leakage and explosionIncrease cooling powerHeat exchanger casingsStationary plate conduit assembliesInjection pressureGraphite
The application belongs to the technical field of plate-fin heat exchanger, and discloses a variable-spacing plate-fin energy-saving heat exchanger, which comprises a plurality of heat exchange boxes arranged between two pressing plates, a pipeline one and a pipeline two for supplying cooled medium and cooling medium respectively, the heat exchange box comprises a plurality of plate fins arranged at equal intervals in the interior, and further comprises an outer shell spliced by a cover plate, a channel steel edge and a bottom plate, both ends of the plate fin are provided with end sealing plates, and the end sealing plates of two adjacent plate fins are staggered and connected to form a closed rectangular water channel. The plate fin can slide horizontally in the heat exchange box, both ends of the graphite sealing strip are provided with end sealing plates which are staggered and connected to form a closed water channel when sliding horizontally. When the cooling power of the heat exchanger in the cooling system is improved, the injection pressure of the pipeline one is increased, and the rectangular water channel is expanded to the two sides due to the medium pressure to widen the water channel.
Owner:HUBEI ZHONGSHENG WATER SAVING CO LTD

Cooling equipment

The present invention relates to a cooling device (1) for cooling a component (101), the cooling device comprising: a base plate (2) which can be connected to the component (101) to be cooled in a heat-conducting manner; a deflection region (3); an intermediate region (4) between the base plate (2) and the deflection region (3); and a cooling element (5) which is designed in a zigzag shape and has a plurality of intermediate segments (51) and a plurality of deflection segments (52), wherein the intermediate segments (51) extend from the base plate (2) to the deflection region (3), respectively, wherein the deflection segments (52) form a reversing portion inside the base plate (2) and inside the deflection region (3) and respectively connect the two intermediate segments (51) to each other, wherein the cooling element (5) is filled with a working medium which is present in the cooling element (5) in both gaseous and liquid forms, and wherein the intermediate segment (51) has a plurality of channels (53).
Owner:ROBERT BOSCH GMBH

Hybrid refrigeration base structure based on semiconductor and use method

The invention discloses a hybrid refrigeration base structure based on a semiconductor and a using method, and belongs to the technical field of heat dissipation. The hybrid refrigeration base structure comprises a semiconductor refrigeration flat plate and a refrigeration part, and the semiconductor refrigeration flat plate is installed on the outer side of the refrigeration part; the refrigeration part comprises a clamping plate, a cooling pipe and a cooling fin; the clamping plate is detachably installed on the inner side of the cooling fin and comprises a first plane structure, a second plane structure and a cambered surface structure, the cambered surface structure is arranged between the first plane structure and the second plane structure, and the first plane structure, the second plane structure and the cambered surface structure are integrated. The first plane structure and the second plane structure are respectively fixed on two adjacent radiating fins; cooling grooves are formed in the clamping plate at equal intervals; the refrigeration parts are connected in series and then fixed to the heat exchange pipeline curved surface of the converter valve, the converter transformer and other equipment, and the problem that an existing semiconductor refrigeration device can only be fixed to a plane and cannot be fixed to the curved surface is solved.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD MAINTENANCE BRANCH