1046 results about "Active cooling" patented technology

The invention discloses a lithium battery thermal runaway control and safety response strategy system, which realizes the real-time monitoring and prediction of the internal temperature and voltage state of a battery through thermal-electric coupling modeling and multi-sensing data fusion, and realizes the real-time monitoring and prediction of the internal temperature and voltage state of the battery based on a model prediction control and threshold enhancement strategy. And triggering graded safety response in the early stage of thermal runaway. The system adopts a multi-stage response mechanism including measures of primary early warning, active cooling intervention, emergency power-off fire extinguishing and the like, a gas suppression path and cooling mode switching function is designed, and heat diffusion and spreading and toxic gas harm are effectively suppressed. Compared with a method depending on complex digital twinning or deep learning, the method is simple in structure, rapid in response and low in data dependence, has good system stability and engineering applicability, and can be widely applied to the field of lithium battery safety management of electric vehicle battery packs, energy storage power stations and the like.

The invention discloses an internal and external flow coupling numerical simulation method, device and equipment and a storage medium, and relates to the technical field of numerical calculation, a flow state at an initial moment is determined to obtain an external field wall surface temperature, an external field multi-component chemical unbalance N-S equation is solved according to external field fluid boundary conditions, and the internal and external flow coupling numerical simulation result is obtained. External fluid boundary heat flow at the next moment and external field pressure at the next moment are obtained as coupling interface boundary conditions for internal field solution, internal flow of the porous sweating structure is solved through an enthalpy method equation set of TPMM and LTNE to obtain parameters at the coupling boundary at the next moment, and finally high-enthalpy unbalanced external field parameters at the termination moment are obtained. An N-S equation under a multi-component chemical unbalance hypothesis is adopted to solve supersonic outflow, a chemical reaction between an active cooling working medium and supersonic incoming flow under a supersonic condition is simulated, and wall surface heat flow and structural thermal response of the porous sweating cooling system are obtained.

The invention belongs to the technical field of anti-explosion electric cabinets, and particularly discloses an anti-explosion electric cabinet for new energy supply, which comprises an anti-explosion electric cabinet and an active cooling and fire extinguishing system, and is characterized in that the active cooling and fire extinguishing system comprises a centralized cooling and fire extinguishing unit, a confluence controller, a control module, a plurality of pressure pipelines and a plurality of temperature feedback devices; a plurality of working parts in the explosion-proof electric cabinet are respectively provided with a monitoring unit; the explosion-proof electric cabinet has the advantages that the monitoring unit is arranged in the explosion-proof electric cabinet, real-time monitoring of the environment of the electric cabinet is achieved, and especially under the abnormal conditions of high temperature and the like, the active cooling and fire extinguishing system can rapidly respond, automatically increase the spraying amount of the fire extinguishing material and improve the fire extinguishing effect. The system integrates a passive pressure relief structure, an active explosion venting system, an inerting explosion suppression system and automatic water mist spraying, multi-level safety protection is provided, and safety and stability of electric power distribution facilities, especially an electric cabinet and a distribution box in a new energy grid-connected system in a complex environment are ensured.

The utility model discloses an active heat dissipation COB light source, and relates to the technical field of COB light sources. The COB light source comprises a shell, a COB light source body is arranged in the shell, a filter screen plate is arranged on the side face of the shell, a motor is arranged at the bottom in the shell, the motor is fixedly connected with a rotating shaft through an output shaft of the motor, and a cooling fan is fixedly connected to the top of the rotating shaft. An anti-blocking mechanism and an auxiliary knocking mechanism are arranged on the side face of the filter screen plate, and the anti-blocking mechanism comprises a rotating gear and a hydraulic bin. And when the rotating shaft rotates to drive the cooling fan to rotate for ventilation and heat dissipation, a cleaning brush is driven to repeatedly move up and down through cooperation of a rotating gear, a toothed bar, a hydraulic bin and other assemblies to clean the filter screen plate, and the filter screen plate is prevented from being blocked by dust and fluff to affect the ventilation and heat dissipation effect.

The utility model provides an active heat dissipation type injection mold, which belongs to the field of mold equipment and comprises an upper mold base, a lower mold base, a heat dissipation mechanism and a limiting mechanism, an upper die is fixedly installed at the bottom of the upper die base, and a lower die is fixedly installed at the top of the lower die base. During injection molding, injection molding materials flow into the upper mold and the lower mold through the injection molding holes to be formed, at the moment, the water pump works to convey cooling liquid in the water tank to the water inlet through the water inlet pipe, and the cooling liquid flows into the shape follow-up water paths in the upper mold and the lower mold through the water inlet; the shape-following water paths are uniformly distributed along the shape of an injection molding part product, so that cooling liquid takes away heat after flowing through the shape-following water paths, the cooling molding of the injection molding part is accelerated, the heat dissipation efficiency is improved, the molded and cooled injection molding part is ejected out through the ejector rod, and material taking and collecting are facilitated.

A cooling system is described. The cooling system includes a cooling element and a support structure. The cooling element is configured to undergo vibrational motion when actuated to drive a fluid toward a heat-generating structure. The cooling element includes a piezoelectric structure including a substrate having a first side and a second side opposite to the first side. A first piezoelectric layer is on the first side. A second piezoelectric layer is on the second side. The support structure is coupled to the cooling element and configured to support the cooling element.

The invention relates to the technical field of thermal management optimization, and discloses an active cooling and power optimization system of a plateau turbine generator, which comprises a multi-physics field modeling module, a reinforcement learning decision module, a strategy optimization training module and an edge execution control module, and is used for resolving a temperature field / flow field / stress field coupling state in real time, providing environment dynamic characterization, and optimizing the power of the plateau turbine generator. According to the method, multi-source sensing data is processed, a cooling liquid flow rate and cooling fin angle control instruction is generated, strategy iteration optimization is carried out in a digital twin environment, the physical rationality and energy efficiency optimality of a control algorithm are ensured, a lightweight strategy network is deployed, and sub-second-level real-time response and fault safety protection are achieved. Through intelligent control and multi-physical field cooperation, the temperature adjusting precision and the system response speed are improved, efficient power output of the turbine is kept under different altitudes and climate conditions through a self-adaptive strategy, and a reliable clean energy solution is provided for high-altitude areas in combination with multiple safety protection mechanisms.

Systems, methods, and apparatus for temperature control and active cooling of an inspection robot are disclosed. An example apparatus may include a temperature determination circuit to interpret an inspection temperature value, a temperature management circuit to determine a temperature management command in response to the inspection temperature value, and a temperature response circuit to provide the temperature management command to a temperature management device associated with an inspection robot.

The present disclosure describes a robotic arm assembly for use in a vacuum environment. Such robotic arm assemblies may have one or more rotary joints with ferromagnetic fluid seals or other vacuum compatible seals. A coolant flow path section may be provided that passes through one or more of the one or more rotary joints to allow coolant to be circulated through one or more cooling features within the robotic arm assembly such that components within the robotic arm assembly, such as motors, ferromagnetic fluid seals, sensors, etc., are actively cooled.

The invention belongs to the technical field of welding, and provides a laser welding tool and method for a thin-wall titanium alloy runner plate. A small-diameter welding wire is adopted, the laser power is adjusted, protective gas purging is started, and laser welding is conducted in the anticlockwise direction from the left lower portion; in the welding process, active cooling is carried out at the same time until welding is completed; after welding is completed, the fixing module is detached; the active cooling specifically comprises the steps that absolute ethyl alcohol is sprayed on the welded surface, after absolute ethyl alcohol on the surface of the cold plate (3) to be welded volatilizes completely and ventilation is kept for 2 min, protective gas is started again for purging for 10 s, and one-time active cooling is completed. The method is used for solving the problem that a laser welding method in the prior art easily causes heat accumulation deformation of the titanium alloy sheet, so that the welding precision of the sheet is ensured.

The invention discloses an efficient heat dissipation system of a new energy automobile circuit board, and the system comprises a composite heat dissipation substrate which is formed by compounding a ceramic substrate layer, a graphene heat conduction layer and a copper alloy supporting layer through vacuum hot pressing, and the surface of the graphene heat conduction layer is provided with a micron-sized groove array; the dynamic heat dissipation assembly comprises a thermoelectric refrigeration module and a temperature sensor which are embedded in the composite heat dissipation substrate, the thermoelectric refrigeration module is linked with the temperature sensor through a PID controller, and active refrigeration based on temperature rise of the circuit board is achieved; the multi-layer heat dissipation channel comprises a micro-channel and a bionic fin structure, the micro-channel vertically penetrates through the composite heat dissipation substrate, the bionic fin structure covers the surface of the substrate, and the micro-channel is filled with a phase change material and is communicated with an external liquid cooling circulation system; the airflow adjusting module comprises a rotatable flow guide plate and a piezoelectric fan array, the flow guide plate dynamically adjusts the heat dissipation airflow direction according to the vehicle speed, and the frequency response range of piezoelectric fans is larger than or equal to 100 Hz.

The application provides a new energy heavy truck battery pack, a thermal management unit and a method, belongs to the technical field of new energy batteries, and is used for solving the technical problem that the existing thermal management system can only perform thermal management on the whole battery and cannot perform balanced thermal management according to temperature differences of each module. Cooling outlet pipes of the module heat exchange plates are connected with battery cooling medium outlet pipes through active cooling medium distributors, the active cooling medium distributor comprises a shell, a communication mechanism and an active adjusting mechanism, each communication mechanism is arranged in parallel in the shell and communicates the battery cooling medium outlet pipe and the module cooling medium outlet pipes of each heat exchange plate; the active adjusting mechanism is movably arranged in the shell, the moving direction is consistent with the distribution direction of the communication mechanism, the active adjusting mechanism can be moved to the position of each communication mechanism and adjust the effective flow cross section of the corresponding communication mechanism. The technical effect of realizing temperature balanced regulation and control among modules, improving the charging and discharging performance of the battery pack and prolonging the overall service life is achieved.

The invention discloses a super charging pile with an automatic heat dissipation function, and relates to the technical field of charging piles, the super charging pile comprises a super charging pile body, a wire is arranged at the output end of the super charging pile body, a charging gun body is arranged at one end of the wire, and a temperature sensor is arranged on the outer surface of the charging gun body; an active cooling assembly is arranged between the wire and the outer surface of the charging gun body, the active cooling assembly comprises a connecting sleeve and two lifting plates, and a plurality of upper air outlet holes are formed in the top of the connecting sleeve; according to the super charging pile with the automatic heat dissipation function, in order to prevent the situation that in the charging process of a high-power super charging pile, the positions driven by a charging gun body and a wire are overheated, and heat cannot be effectively dissipated, heat dissipation is accelerated through the arrangement of a plurality of upper air outlet holes and a plurality of side air outlet holes, and when the temperature between the charging gun body and the wire is too high, heat dissipation is accelerated. And the circulating pump is started, and cooling liquid is conveyed into the cooling pipe, so that the internal temperature of the blocking frame is reduced.

The invention belongs to the field of scramjet engines, and particularly relates to an ammonia-hydrogen power wide-speed-range scramjet engine and a combustion method thereof. The ammonia-hydrogen power wide-speed-range scramjet engine comprises a combustion chamber, a liquid ammonia storage device and a hydrogen storage device; a concave cavity is formed in the combustion chamber, a fuel injection section upstream injection hole is formed in a fuel injection section of the concave cavity, the concave cavity is located at the downstream of the fuel injection section, a fuel injection section upstream micro-jet injection hole is formed in the upstream of the fuel injection section upstream injection hole, and a concave cavity inner micro-jet injection hole is formed in the concave cavity; the liquid ammonia storage device is connected with an upstream injection hole of the fuel injection section through a cooling structure; and the hydrogen storage device is connected with the upstream micro-jet injection hole of the fuel injection section and the micro-jet injection hole in the concave cavity. According to the invention, liquid ammonia and hydrogen are introduced as fuels to realize wide-range combustion organization, so that wide-range efficient combustion is realized, the fuel heat absorption requirement of high-Mach-number active cooling thermal protection is met, and zero carbon emission can be realized in the whole process.

The utility model relates to the technical field of medical instruments, and discloses an energy surgery active cooling device and an energy surgery active cooling system. The second clamping body is connected with the first clamping body, and the far end of the second clamping body is suitable for abutting against the far end of the first clamping body; the cooling structure is arranged on at least one of the first clamping body and the second clamping body; the interior of the cooling structure is hollow and forms a containing cavity, and the containing cavity is suitable for containing a cooling medium; the containing cavity communicates with an external cold source, and the containing cavity is suitable for circulating a cooling medium between the containing cavity and the external cold source so that heat on the first clamping body and / or the second clamping body can be conducted to the external cold source from the far-end tip end. According to the active cooling device for the energy surgery department, the heat risk of the heating surface is eliminated, the heat dissipation and cooling efficiency of the clamping body is improved, the heat dissipation structure of the clamping body is simplified, and the process difficulty of the device is reduced.

The invention relates to the technical field of crucible dust collection, in particular to a dust collection structure for a neodymium iron boron sheet crucible slag removal procedure, which comprises a dust collection pipe, the upper part of the dust collection pipe is tubular, the lower part of the dust collection pipe is conical, and two spraying units which are symmetrically arranged left and right are arranged on the conical structure of the dust collection pipe; the rotatable water pipe is adopted to drive the spray pipes distributed in the circumferential direction to rotate synchronously, cooling water mist is continuously sprayed into the dust suction pipe through the two atomization nozzles on the spray pipes, active cooling is achieved, and the service life of equipment is prolonged; the rotating cylinder is adopted to drive the vortex-line-shaped pushing plate to rotate, raised dust is pushed outwards in the radial direction of the dust suction pipe through the outwards-protruding arc-shaped face of the pushing plate, dust is forced to be close to a spraying area quickly, the mixing efficiency of the raised dust and water mist is remarkably improved, the cooling effect is improved, and the dust removal efficiency is improved.

The invention belongs to the technical field of hypersonic wind tunnel tests, and discloses a hypersonic wind tunnel test model support with an active cooling function and a test method thereof. A cooling water inlet and a cooling water outlet are formed in an inclined column of the bracket, so that the bracket has an active cooling function and can effectively support a test model to carry out a hypersonic wind tunnel test; the rear portion of the support is provided with a cavity defined by the cross beam, the skin and the like and a wire outlet hole of the tail cover, and the cavity and the wire outlet hole can be used for wiring of a test model measurement and control cable, the measurement and control cable is isolated from high-speed airflow, and thermal protection is achieved. The test method comprises the steps of mounting the batter post; installing a tail cover; the sealing plate is mounted on the inclined column; installing a left cross beam and a right cross beam; installing the skin; installing a test model; mounting a bracket; and performing a hypersonic wind tunnel test. The test method can meet the requirement of a hypersonic wind tunnel test, is compatible with an existing hypersonic wind tunnel test method, is stable and reliable, is high in efficiency, and has engineering practical value.

The invention relates to the technical field of lamp body cooling, in particular to a cooling structure for a lamp body, which comprises a front heat dissipation high light transmission assembly, a supply assembly and heat dissipation fins which are arranged on the lamp body in a covering manner, a containing cavity is formed in the front heat dissipation high-light-transmittance assembly and connected with the supply assembly through a pipeline, liquid or gas cooling media can flow through the containing cavity, and the front heat dissipation high-light-transmittance assembly is provided with a temperature sensor. And a cavity for mounting the lamp body is defined by the radiating fins and the side cover plates. The high-power portable lamp can effectively solve the problem of burn caused by skin contact or approaching due to too high temperature, can also avoid the problem that the service life of the lamp is shortened or damaged due to too high temperature rise, and realizes cooperative work of efficient active cooling and passive heat dissipation.

The invention relates to the technical field of boiler flue gas dust removal and denitration, in particular to a boiler flue gas dust removal and denitration system which comprises a vertical inertial dust removal mechanism for guiding discharged flue gas and intercepting dust. The high-temperature dust remover is used for carrying out fine dust removal on the flue gas discharged by the vertical inertial dust removal mechanism; and the denitration device is used for carrying out denitration treatment on the flue gas subjected to dust removal and purification. Through self-adaptive mechanical linkage of the spindle air plug and the shutter mechanism, synchronous optimization of smoke flow velocity compensation and collision angle under the full-load working condition is realized, and the low-load dust removal efficiency is ensured not to be reduced; and in cooperation with spiral self-rotating cleaning and active cooling protection, the operation stability and the service life of the device in a high-temperature and high-dust environment are improved.

The invention provides a double-tube vacuum vertical furnace body cooling system which comprises a main cooling water circulation unit, a water pipe network is arranged on the periphery of the outer wall of a furnace body, and the whole outer surface of the furnace body is covered with the water pipe network attached to the outer wall of the furnace body for cooling; the auxiliary cooling water circulation unit is connected with the cooling water output end of the active cooling water circulation unit, directional cooling is carried out on calibration components in the furnace body through the auxiliary cooling water circulation unit, a plurality of temperature sensors are arranged on the outer wall of the furnace body and in the furnace body, and the temperature sensors collect the environment temperature and send the environment temperature to the main cooling water circulation unit. The data are imported into the comprehensive processing unit; a pressure monitoring module, a water quality processing module and a control module are arranged in the comprehensive processing unit, and the pressure monitoring module collects pressure data of the main cooling water circulation unit and feeds back the collected data to the control module and the water quality processing module.

The invention discloses a high-power and frequency-adjustable gyrotron loading test system for nuclear fusion, which relates to the technical field of nuclear fusion and comprises a 2-megawatt coaxial gyrotron with adjustable frequency of 170 / 240GHz and a loading test platform. The loading test platform comprises a gyrotron part loading system, a strong magnet system, a vacuumizing system, a power supply system, a load system, a cooling system, a monitoring and diagnosing system and a control system. The component loading system is used for precise assembly; the strong magnet system provides an adjustable strong magnetic field; the vacuumizing system maintains ultrahigh vacuum; the power supply system comprises a cathode power supply and a body power supply, and the body power supply is used as a high-voltage amplifier to realize 10kHz rapid power modulation; the cooling system provides independent active cooling; the load system simulates a real load; comprehensive detection of the monitoring and diagnosis system; and the control system realizes coordinated control and rapid protection. According to the invention, a complete solution is provided for development, test, operation and maintenance of the 2-megawatt-level and frequency-adjustable gyrotron.

Liquid cooling apparatus and system for the immersion cooling of electronic devices including in particular servers and IT hardware nodes having an array of heat generating electronic components including for example microprocessors, GPUs, CPUs, RAM, motherboards etc. The present apparatus comprises at least one rotor adapted for creating a liquid flow stream localised to the electronic component(s) for the efficient and effective forced convection cooling according to an active cooling arrangement. The present arrangement is configured for both active and passive operation and is adapted specifically not to obstruct passive liquid flow adjacent an electronic component when the at least one rotor is not operational.

The invention provides an active cooling control system and an active cooling method. The system comprises L front cabin temperature sensors, M middle cabin temperature sensors, N rear cabin temperature sensors, a front cabin valve switch, a middle cabin valve switch, a rear cabin valve switch, a controller, a power supply, a monitoring system, a cold air compressor, an air inlet pipeline and an air outlet pipeline. The risk possibly occurring in the cooling control system in the flight process is avoided, and when a temperature sensor works normally, a closed-loop cooling control method strategy based on temperature feedback is adopted to regulate and control the cold air flow in the cabin; when the temperature sensor in a certain area breaks down, the cooling control system is automatically switched to an open-loop mode based on flow prediction, cold air flow regulation and control are achieved by receiving flight parameters, and finally active cooling of the aviation aircraft is achieved.

The arrangement comprises a projection system (22) for microlithography and a wall element (28) for thermally shielding the projection system (22) from an illumination system (10). The projection system (22) has an object field that can be illuminated by the illumination system (10) and optical elements (M1-M6) for imaging the object field onto an image plane (21). The wall element (28) also includes a passive shielding surface element (30) arranged in a transition region between a last beam section (41) of the illumination system (10) and a first beam section (42) of the projection system (22). According to the invention, the arrangement further comprises an active cooling element (31) positioned in the transition region, with a cooling surface (32) that extends at least partially along a surface area of ​​the passive shielding surface element (30).The active cooling element positioned in the transition area can significantly reduce the rate of change of the heat flow from the lighting system to the projection system.

The invention discloses an active city cooling method based on a three-dimensional city form and a circuit theory, and belongs to the technical field of city environment regulation and heat island effect governance, and the method comprises the steps: S1, recognizing long-term stable cold and heat source patches through obtaining multi-temporal surface temperature (LST) data and combining mathematical form spatial pattern analysis (MSPA) and a landscape connectivity index; s2, adopting a spatial principal component analysis (SPCA) method to construct a comprehensive resistance surface fused with the three-dimensional urban form factors; s3, connecting a cold and heat source to simulate an airflow conduction path based on a circuit theory, extracting a cooling gallery and identifying key nodes; and S4, finally, through a stable surface-connecting line-key point mode active cooling network, space optimization is carried out. According to the method, accurate identification and efficient communication of cold and heat sources can be realized, the heat island effect relieving efficiency is improved, the long-term adaptability of a cooling network is ensured, and a popularized urban thermal environment governance path is provided.

The invention provides a wind turbine generator cooling system based on a heat pipe and a phase change material. The wind turbine generator cooling system comprises a heat pipe-phase change material composite heat dissipation module, a dynamic air cooling cooperation module, a self-cleaning dustproof module, an optimization control module and an execution module. Through the cooperation of heat pipe-phase change material composite energy storage and negative pressure air cooling, the comprehensive heat dissipation efficiency is improved, the active cooling energy consumption is reduced, the traditional cooling technology is broken through the ceiling, the problem of performance degradation in a sand and dust / high humidity environment is thoroughly solved through the self-cleaning function, and the service life of the ceiling is prolonged. Thermal load prediction is combined with digital twinning to realize normal form transformation from passive response to active optimization, thermal runaway risks are reduced through prediction and dynamic regulation, and manufacturing and operation and maintenance costs are greatly reduced through lightweight and modular design.

A turbine assembly includes a bladed rotor mounted for rotation about an axis of the gas turbine engine, a case assembly, and an actively-cooled tip clearance system. The tip clearance system includes a tip clearance sensor located radially outward of an inner case of the case assembly. The actively-cooled tip clearance system includes a sensor is configured to monitor a tip clearance formed between the bladed rotor and the case assembly during operation of the gas turbine engine.

The invention belongs to the field of heat dissipation frames, and particularly relates to a fine coarsening heat dissipation frame structure which comprises a heat dissipation frame body. A fixing rod is also arranged at the top end, close to the corner, of the heat dissipation frame body, the top end of the heat dissipation frame body is fixedly connected with the bottom end of the fixing rod, the top end of the fixing rod is fixedly connected with the bottom end of the fixing plate, and a heat dissipation fixing mechanism is arranged between the heat dissipation frame body and the fixing plate; the heat dissipation fixing mechanism comprises a bottom plate, and the bottom plate is arranged at the bottom end of the heat dissipation frame body. Through the design of the heat dissipation fixing mechanism, the function of rapid cooling is achieved, and the problems that an existing device is not provided with an assembly for active cooling, the existing device can only achieve cooling through air circulation, the cooling effect of the cooling mode is not obvious, the high temperature condition of the device above is extremely likely to happen, and the cooling effect is poor are solved. And the problem that rapid cooling cannot be effectively carried out is solved, and the cooling effect is improved.

The invention relates to the technical field of humanoid robots, in particular to a humanoid robot temperature control heat consumption balancing device and system.The device comprises a humanoid robot, and digital temperature sensors are arranged on a CPU, a battery pack and driving motors at joint positions in the humanoid robot; a trunk and four limbs in the humanoid robot are each provided with a programmable cooling fan for active cooling and cooling fins for passive cooling, and the trunk and the four limbs in the humanoid robot are each provided with an efficient and low-noise air duct. The system comprises the device, an acquisition module, a monitoring module, a planning module and a control module. According to the method, the accuracy of temperature prediction of the humanoid robot parts is improved, and equipment damage caused by abnormal temperature is effectively prevented; temperature data with tendency and seasonal fluctuation can be processed, and the applicability of the model is improved; integration and application in an existing robot system are easy; temperature abnormity can be found in time, and stable operation of the humanoid robot is guaranteed.

The invention discloses a high-temperature stable gas heat conduction temperature control method and system, and relates to the technical field of temperature control. The system comprises a high-temperature inert gas loop, a gas circulation driving module, a gas heating module, a gas heat exchange module, a gas cooling module, a gas purification and supplement module and a precise temperature sensing and control module. The high-temperature inert gas loop is configured as a closed circulation path and is used for bearing high-purity inert gas as a heat carrier; and the gas circulation driving module is arranged in the high-temperature inert gas loop and is used for driving the high-purity inert gas to continuously and circularly flow in the closed circulation path. By adopting high-purity inert gas as a heat-conducting medium and combining precise circulation driving, multi-stage heating, efficient heat exchange, active cooling, online purification and intelligent control technologies, the problems that an existing liquid heat-conducting medium is unstable in phase change at a high temperature, a metal eutectic medium is poor in safety, and a composite system is high in complexity are solved.