696 results about "Surface heat" patented technology

The invention discloses a wind power blade defect data automatic acquisition and analysis method based on an unmanned aerial vehicle, and particularly relates to the technical field of data acquisition and analysis. The method comprises the following steps: collecting blade surface heat distribution data, locally applying a heat source to a blade, collecting a temperature attenuation curve, calculating a heat diffusivity gradient difference value and a temperature attenuation time index, integrating a multi-parameter space, and classifying a heat distribution abnormal region into a normal region and a real defect region in combination with a deep learning model; cross validation is carried out through optical images and ultrasonic data, so that the detection accuracy is improved; dynamically adjusting a sensitivity threshold value and model parameters of the thermal imager according to a classification result, and generating a detection report; through data feedback iterative optimization model and task planning, the problems of misjudgment and missed judgment of the thermal infrared imager in complex material distribution are effectively solved, the accuracy, reliability and automation level of wind power blade defect detection are improved, and important support is provided for efficient wind power operation and maintenance.

The invention relates to the technical field of semiconductor packaging detection, and provides a self-adaptive semiconductor packaging detection method which comprises the following steps: synchronously acquiring packaging surface heat distribution data, three-dimensional deformation data and pin electric signal data through a multi-source sensor; performing dynamic weighted fusion on the multi-modal data based on the packaging process parameters to generate a defect feature matrix; performing dynamic threshold calibration on the defect feature matrix by adopting an adaptive threshold generation algorithm according to clustering center distribution in the historical defect pattern library; performing matching judgment on the dynamic threshold value and the real-time defect feature matrix through a multi-level logic decision model, and outputting a defect type, a position coordinate and a confidence score; and based on the defect type and the confidence score, triggering adaptive compensation control of the packaging process parameters, generating a feedback control instruction, and adjusting a packaging equipment execution mechanism in real time. The packaging quality and reliability can be improved, and the production cost and the defective rate can be reduced.

The invention relates to the field of bathroom mirror LED lamp control, in particular to an LED lamp self-adaptive control method and device of an LED backlight bathroom mirror. The method comprises the following steps: acquiring a monitoring log of a bathroom mirror LED lamp, performing use time frequency distribution statistics and use behavior prediction, and generating a use behavior prediction time point; performing real-time brightness demand prediction according to the use behavior prediction time point, and performing light intensity output parameter calculation to obtain an initial light intensity output parameter; performing instant bathroom mirror illumination control according to the initial light intensity output parameter, performing mirror surface fuzzy situation analysis according to the environment humidity monitoring parameter, and constructing a mirror surface fuzzy situation evolution graph; and performing mirror surface heat effect demisting analysis and dynamic heating temperature self-adaptive adjustment according to the mirror surface fuzzy situation evolution graph to generate a self-adaptive water mist fuzzy adjustment strategy. By dynamically adjusting the illumination parameters, the clear visualization effect of the bathroom mirror under the fuzzy water mist condition is improved, and the visual effect of a user is enhanced.

The invention relates to the technical field of tunnel engineering safety, in particular to a tunnel fire multi-stage damage collaborative prediction method and system, and the method comprises the steps: constructing a data simulation fusion model, and carrying out the processing of fire and tunnel structure parameter data, and obtaining a multi-working-condition parameter database; constructing a heat conduction equation, a fire plume and wall surface heat exchange relational expression, a boundary layer correction model and a comprehensive damage evaluation model, and analyzing the equation, the relational expression and the model by utilizing a multi-physical field coupling unified boundary condition to obtain a multi-physical boundary constraint condition; obtaining a multi-physical constraint loss function based on a network architecture and a multi-physical boundary constraint condition, and further obtaining a comprehensive constraint loss function of a temperature field-stress field-damage index; constructing a PINN-LSTM network architecture and a damage evolution analysis model based on the fire ending initial state coding vector, the fire course feature vector and the cooling process feature vector; and performing linkage analysis on the function, the frame and the model to predict and monitor the transient damage and the long-term creep damage of the tunnel.

The invention relates to the technical field of industrial vision, in particular to a ceramic glazed tile internal defect detection method based on image recognition, which comprises the following steps: acquiring multi-modal data including an X-ray tomography sequence, a surface heat map, a visible light image and production process parameters; constructing a three-dimensional digital twin based on X-ray data, fusing surface image information, and utilizing a three-dimensional segmentation network to accurately identify three-dimensional geometric features of internal and underglaze defects; carrying out physical causal reasoning on the geometrical characteristics of the defects through the constructed defect-cause knowledge graph reasoning model, and intelligently matching and identifying the physical causes of the defects; targeted correlation analysis and traceability are performed in combination with physical causes and production process parameters, production links causing defects are accurately positioned, and a control instruction for optimizing production is generated. According to the method, closed-loop defect detection of'diagnosis-traceability-control 'is realized, the defect problem can be accurately positioned, and automatic decision support is provided for optimizing production and improving product quality.

The invention provides a surface thermometer calibration system. The surface thermometer calibration system comprises a surface heat source device, a control host, a temperature control thermometer, a reference surface thermometer and a standard thermometer, the surface heat source device comprises a glass cover, a constant-temperature disc heat source, an upper protection structure, an adjustable support and a cooling fan. The control host comprises a dual-channel high-precision thermodetector, a dual-channel program-controlled output voltage-stabilized power supply and a control module, and the control module is used for obtaining measurement results of the temperature control thermometer, the reference surface thermometer and the standard thermometer and dynamically adjusting the output voltage of the dual-channel program-controlled output voltage-stabilized power supply according to the measurement results. Temperature control of the constant-temperature disc heat source is achieved. According to the surface thermometer calibration system designed and developed by the invention, the reliability and the calibration efficiency of surface thermometer calibration can be remarkably improved, and the reliability of surface temperature value traceability is ensured.

The invention discloses an integrated laser processing path planning system and method with positioning and monitoring functions, and relates to the technical field of laser processing path planning, and the method comprises the following steps: collecting information of a current to-be-processed part, including a processing surface, a processing mode and a process requirement, and generating an initial laser processing path based on the part information; the method comprises the following steps: analyzing thermal relevance of different processing surfaces, carrying out data acquisition on surface heat of the processing surfaces in a processing process based on a thermal imaging sensor, monitoring laser processing surface heat and setting a critical value, judging the temperature of the processing surfaces in a processing state based on the critical value, and generating a dynamic adjustment planning path based on a judgment result; and receiving the dynamic adjustment planning path in the machining process. The thermal imaging sensor is used for collecting heat data of the machining surface in real time, the critical value is set in combination with material attributes and machining parameters, the temperature of the machining surface in the machining process is judged, and the machining path is dynamically planned and adjusted.

The invention provides a three-period minimal curved surface change heat exchanger for airborne intermittent high-heat-flux surface heat dissipation, and belongs to the technical field of phase change heat storage. According to the technical key points, the flow channels are divided into hot fluid flow channels allowing hot fluid to pass through and preventing cold fluid from flowing and cold fluid flow channels allowing cold fluid to pass through and preventing hot fluid from flowing, and the hot fluid flow channels and the cold fluid flow channels intersect in direction and are alternately arranged to form effective heat exchange channels. A phase change material is packaged in a hot fluid flow channel by adopting a three-period extremely-small curved surface structure, and the structure is used as a primary heat exchange surface, so that rapid heat exchange between the phase change material and hot fluid is promoted, and the heat storage rate is increased; cooperative disturbance structures matched with the three-period extremely-small curved surfaces are arranged in the cold fluid flow channels, heat exchange between the phase-change materials and the cold fluid is further promoted, and the heat dissipation rate is increased. The device has the advantages of being compact in structure and high in heat storage / release rate, and the requirements of high-power equipment in the instantaneous heat storage and dissipation process are effectively met.

The invention discloses a manufacturing method of an encapsulation type driver transformer with high heat dissipation efficiency, and belongs to the technical field of power electronic equipment manufacturing. The invention aims to solve the technical problems of low heat dissipation efficiency and insufficient long-term reliability caused by limited heat-conducting property of a potting material, simple surface heat dissipation structure and difficulty in coordination of internal thermal stress of the existing driver transformer. The method comprises the following steps: constructing a three-dimensional digital model of a reinforced heat dissipation structure with a boss array and a groove array, and preparing a corresponding forming mold; a magnetic core and a winding are used as inserts to be positioned in a mold cavity, insulating colloids with different mechanical and heat conduction characteristics are poured in a vacuum environment in batches, internal gaps are fully filled with flexible colloids and stress is buffered through a segmented curing process, meanwhile, high-heat-conduction rigid colloids form an external main body and a heat dissipation structure, and an integrated potting body is formed. The method is used for manufacturing the driver transformer suitable for scenes with high power density and high heat dissipation requirements, and the heat dissipation capability and the operation reliability of the driver transformer can be remarkably improved.

The invention provides an indoor temperature field prediction method and system considering dynamic change of solar radiation, and belongs to the field of indoor temperature field prediction.The method comprises the steps that an equivalent surface heat source intensity model of direct solar radiation and an equivalent surface heat source intensity model of scattered solar radiation are constructed respectively; respectively constructing a sub-temperature field prediction model of direct solar radiation and a sub-temperature field prediction model of scattered solar radiation; and performing linear superposition on the sub-temperature field prediction model of the direct solar radiation and the sub-temperature field prediction model of the scattered solar radiation according to moments to obtain an indoor temperature field space-time distribution prediction result under the influence of dynamic solar radiation. The method fully considers the influence of the dynamic change of the solar radiation, can predict the influence rule of the solar radiation on the indoor temperature distribution in the time and space dimensions, and further obtains an accurate prediction result.

The invention relates to the technical field of metal surface heat treatment, and discloses a fixed inductor for high-speed rail axle surface induction quenching, which comprises a busbar, a fixed plate, a cooling water sprayer and an effective geometry heating ring, the busbar is used for fixing the effective geometry heating ring and forms an electrifying passage and a water passing passage with the effective geometry heating ring with the hollow structure; the effective geometric body heating ring comprises three sections of straight section induction pipe bodies with different lengths and two sections of arc induction annular bodies, the straight section induction pipe bodies are arranged according to the lengths D1, D2 and D3, the straight pipe section D1 and the straight pipe section D2 are in arc transition through an R1, the straight pipe section D2 and the straight pipe section D3 are in arc transition through an R2, and the three straight pipe sections are parallel to one another and progressive inwards layer by layer; and the radians of the two sections of arc induction annular bodies are 90 degrees. According to the invention, one-time and global synchronous induction heating can be carried out on multiple sections of shaft necks and transition R-angle areas with complex geometrical shapes and obvious stress concentration at the two ends of the axle.

The invention relates to the technical field of energy-saving materials, and discloses a preparation method of a self-assembled multilayer radiation refrigeration film, the self-assembled multilayer radiation refrigeration film comprises: a surface coating composed of a super-hydrophobic coating and used for providing anti-fouling and self-cleaning functions; the top layer is composed of titanium dioxide nanoparticles and has high sunlight reflectivity; the middle layer is a polytetrafluoroethylene layer with a hierarchical porous structure and provides thermal insulation and efficient mid-infrared emission; the bottom layer is composed of graphene oxide, has high heat conduction performance and promotes heat transfer; and the substrate is a flexible polyester film PET and is used as a supporting structure. Through the titanium dioxide nano-particle design of the top layer and the graded porous structure of the middle layer, the film achieves the reflectivity exceeding 90% in the sunlight band (400-2500nm), meanwhile, the film has the radiance exceeding 85% in the middle infrared band (8-13mu m), and due to the optical performance, surface heat absorption can be remarkably reduced under the intense sunlight condition.

The invention discloses a coating process for a thermal insulation coating of a container type mobile power supply box for a ship, which sequentially comprises the following steps of: treating a base surface before spraying, spraying epoxy zinc-rich refrigeration primer, spraying radiation refrigeration finish paint and spraying self-cleaning colored epoxy finish paint, the heat insulation coating sequentially comprises a refrigeration primer layer, a radiation refrigeration paint layer and a color epoxy finish paint layer from bottom to top; through the coating of the invention, the heat dissipation capability of the surface is improved due to the high reflection performance of the material, the heat insulation effect of the surface of the container type mobile power supply for the ship is realized, and internal equipment is ensured to work within a safe temperature range. Heat on the surface of the box-type power supply container is efficiently transmitted to the outer space low-temperature background in an infrared radiation mode through the atmospheric transmission window, the passive heat insulation effect of the container-type mobile power supply box body is achieved, the box body heat insulation coating technology does not need extra energy consumption, and the zero-energy-consumption characteristic is achieved.

The invention discloses a cooling mechanism for a high-toughness light-weight zinc-aluminum alloy casting mold, and relates to the field of casting mold cooling displacement. A high-toughness light-weight zinc-aluminum alloy casting mold cooling mechanism comprises a forming box, a forming cavity is formed in the top of the forming box, a cooling cavity wrapping the forming cavity is formed in the forming box, and a composite cooling layer covering the outer side of the wall body of the forming cavity is installed on the inner wall of the cooling cavity. The composite cooling layer comprises an inner frame, a middle frame and an outer frame from inside to outside, through holes I are respectively formed in wall bodies of the inner frame, the middle frame and the outer frame, and the porosity of the through holes I is gradually reduced from the inner frame to the outer frame, so that a gradually-shrinking micro-channel network is formed; a cooling medium is guided in from the inner layer at a high speed through a gradually-reduced micro-channel of the composite cooling layer, and heat on the surface of the forming cavity is preferentially absorbed; by means of the porosity decreasing characteristic of the inner frame, the middle frame and the outer frame, a miniature channel is formed, the speed of flowing-out liquid is decreased from low to high, the contact time of the inner side is prolonged, and heat exchange of a high-heat-capacity area is enhanced.

The invention relates to the technical field of heat exchangers, in particular to a baffling type three-period tiny curved surface heat exchanger which comprises a shell, a three-period tiny curved surface structure is installed in the shell, a top cover is installed above the shell, a hot fluid inlet pipe is arranged at the center of the front end of the shell, and a hot fluid outlet pipe is arranged at the center of the rear end of the shell. A cold fluid inlet pipe vertically penetrating into the shell is arranged on the left side of the upper end of the top cover, and a cold fluid outlet pipe vertically penetrating into the shell is arranged on the right side of the upper end of the top cover; the inlet of the hot fluid inlet pipe and the outlet of the hot fluid outlet pipe are both sleeved with first dustproof pipes. According to the heat exchanger, dust can be prevented from entering the heat exchanger, normal operation of the heat exchanger is guaranteed, the heat exchanger is easy to disassemble, and internal assemblies are convenient to repair.

The invention discloses a bidirectional reverse flow type structure micro-channel radiator, which comprises a first substrate, a second substrate and a cover plate which are sequentially stacked from bottom to top, two first micro-channels are arranged on the first substrate, a plurality of concave cavities and a plurality of convex ribs are arranged on two side surfaces of each first micro-channel, and cooling liquid outlets are formed in two ends of each first micro-channel; a first cooling liquid inlet and a second cooling liquid inlet are formed in the two sides of the second substrate, two sets of second micro-channels are arranged in the middle of the second substrate, one set of second micro-channels are communicated with the first cooling liquid inlet, the other set of second micro-channels are communicated with the second cooling liquid inlet, drainage pipes are arranged at the tail ends of the second micro-channels, and the positions of the drainage pipes correspond to those of the first micro-channels. And the flowing directions of cooling liquid in the two groups of second micro-channels are opposite. According to the invention, through the arrangement of the bidirectional countercurrent micro-channel, a heat exchange dead zone caused by too small temperature difference at the tail end of a traditional downstream micro-channel is avoided, the surface heat dissipation uniformity of the whole radiator is improved, the surface temperature gradient of a to-be-cooled device is reduced, and the heat dissipation efficiency is effectively improved.

The invention provides an air-cooled array surface structure adopting a vapor chamber frame, which comprises a vapor chamber array surface frame, an antenna cover, a receiving and transmitting assembly, an antenna, a shell, a connector, a temperature monitoring unit, an array surface distribution plate, a high-power-consumption functional module, a low-power-consumption functional module, a temperature control module, a large-air-volume axial flow fan, an internal turbulent flow fan and a semiconductor refrigerator, a semiconductor refrigerator cold end, a semiconductor refrigerator hot end, a loop heat pipe, a loop heat pipe cold end, a loop heat pipe hot end, an air duct cover plate, a rear cover plate, a rear cover plate external groove, a rear cover plate internal groove, a sealing rope, a fan protective cover, captive screws and trunnions are included. According to the design of the invention, the array surface heat dissipation mode is changed from liquid cooling to air cooling, the design requirements of light weight and low cost of the array surface structure are realized, and the effect of the heat dissipation system and the redundancy design is verified step by step in the high-temperature environment test process to meet the requirements.

The invention belongs to the technical field of electric heating deicing, and particularly relates to a surface heating electric heating film and a preparation method thereof. Comprising an outer surface insulating layer, a heating layer, a power supply electrode and an inner surface insulating layer, the heating layer is prepared from a carbon-based conductor composite polymeric material in a printing or coating mode, and the carbon-based conductor composite polymeric material is formed by mixing polyimide resin and carbon fibers (or one or more of graphene, carbon nanotubes and the like). The surface heating electric heating film provided by the invention has the characteristics of simple and reliable structure, light weight and surface heating performance, can be applied to ice prevention and removal operation of parts such as aircraft wings, empennages, propellers and the like, and has relatively high practical application value.

The invention belongs to the technical field of wireless charging magnetic attraction rings, and particularly discloses an insulating magnetic attraction ring based on a modified surface heat dissipation layer and a preparation method of the insulating magnetic attraction ring. The insulating magnetic ring comprises a composite insulating material substrate, a magnet and a modified surface heat dissipation layer, the composite insulating material substrate is composed of a high polymer material and reinforced fibers, and the magnets are located in the grooves of the composite insulating material substrate; the modified surface heat dissipation layer covers the surface of the magnet and the surface of the composite insulating material substrate and comprises inorganic micro-nano heat conduction and heat dissipation powder. The magnetic ring prepared by the invention can avoid hysteresis effect, reduce heat generation and improve charging efficiency and safety; the modified surface heat dissipation layer and the composite insulating material substrate also have excellent heat dissipation performance, heat generated by charging equipment or a magnet can be quickly dissipated into air, the charging safety is improved, and the charging power is ensured; the heat-dissipation insulating magnetic ring prepared by the invention has supporting performance and can be used as a mobile phone support, so that the practicability and convenience of the product are improved.

The invention relates to a to-be-cut solar cell and a photovoltaic module, and the cell comprises a cell body, and the surface of the cell body is provided with a laser heating enhancement region; the laser heating enhancement area is provided with a light trapping part and a heat absorption part, and a to-be-cut line of the battery piece body is located in the laser heating enhancement area; the light trapping part is arranged on the surface of the laser heating enhancement area; the heat absorption part and the light trapping part are at least partially overlapped, and the heat absorption part is arranged on the to-be-cut line. The light trapping part can improve the light incidence effect and increase the utilization rate of laser energy, the heat absorption part can absorb laser and heat around the light trapping part so as to improve the temperature of laser cutting at the position of the to-be-cut line, and therefore under the condition that low laser output power is adopted, the laser cutting efficiency is improved. The heat on the solar cell is not reduced, the effect of cutting the solar cell can still be realized, the damage to the surface of the solar cell is reduced, the power loss of the solar cell is reduced, and the power generation efficiency and long-term reliability of the photovoltaic module are improved.

The present invention relates to the technical field of laser welding. Disclosed are a method for establishing a point-ring laser welding heat source model, a system and a medium. A point-ring laser is composed of point light of a central laser body heat source and ring light of an annular laser surface heat source, the point light is used for achieving a weld seam having a high depth-to-width ratio for a welded material, and the ring light is used for achieving auxiliary heating and slow cooling for the welded material. According to the method for establishing a point-ring laser welding heat source model provided in the present invention, the laser power ratio of the point light to the ring light in the model can be regulated and controlled according to any proportion, the defocusing amounts of the point light and the ring light can be separately controlled, and spot parameters such as point light spot diameter and ring light spot diameter can be used for effectively expressing heat flux density distribution. The method for establishing a heat source model provides a powerful reference basis for accurately simulating a temperature field, a stress field and a deformation field of point-ring laser welding. On the basis of regulation and control of a welding path, the present invention can be widely applied to the field of finite element simulation of point-ring laser linear welding and weaving welding.

The utility model discloses an indirect heating type fuel rod simulation piece which comprises a cladding tube and an electric heating element, and the cladding tube is a corrosion product deposition test surface; the electric heating element is arranged in the cladding tube and is used for simulating heat generated by a nuclear fission reaction of the fuel pellet; high-purity helium is filled between the cladding tube and the electric heating element, and sealing of the fuel rod simulation piece is achieved through end plug welding at one end of the cladding tube and circumferential welding between the cladding tube and the electric heating element. According to the utility model, the actual structural characteristics and surface material properties of the fuel element are retained to the greatest extent while the surface thermal load state of the pressurized water reactor fuel element is simulated, so that the authenticity of corrosion product deposition test simulation and the reliability of obtaining test data are improved; and the method can also be used for experimental research on scale-caused accelerated corrosion after deposition of surface corrosion products.

The invention is applicable to the technical field of rubber product drying devices, and provides uniformly heated drying equipment for rubber and plastic products, which comprises a drying box, both sides of the drying box are provided with open slots, the inner side of the drying box is provided with a mounting frame, and the top of the mounting frame is fixedly connected with the top wall of the drying box. The two sides of the mounting frame are each fixedly connected with a set of guide rails, the number of the guide rails in each set is two, and a plurality of movable plates are arranged between the guide rails in each set. According to the glove mold heating device, the first heating mechanism is matched with the circulating communication mechanism, and a plurality of moving and rotating glove molds in the conveying mechanism can be heated from the interior, so that the temperature of the glove molds can be quickly increased; and therefore, the situation that the temperature of the rubber gloves tightly attached to the glove mold is slowly increased due to the fact that surface heat is conducted into the glove mold can be avoided, the heating efficiency of the external rubber gloves can be improved by directly heating the glove mold, and the drying efficiency of the rubber gloves is improved.

The utility model discloses an anti-immersion American transformer station comprising a box station, the two ends of the front side of the box station are rotatably connected with station doors, the outer side of the box station is fixedly provided with a waterproof plate, the upper part of one side of the box station is fixedly provided with a motor protection cover, the front side of the box station is fixedly provided with a rubber frame, and the surface of the rubber frame is provided with a clamping groove. Magnet pieces are evenly arranged on the surface of a clamping groove in the surface of the rubber frame in an adhesive mode, a rubber clamping ring is fixed to the surface of the station door, and a metal piece is arranged in the rubber clamping ring. According to the anti-immersion American transformer substation, the anti-seepage effect of the American transformer substation can be improved through clamping and sealing of the L-shaped waterproof plates at the heat dissipation holes in the surface of the box station, the rubber frame in the box station and the rubber clamping ring on the surface of the station door.

The invention discloses a lithium battery module structure with an internal thermal management channel, and belongs to the technical field of battery management.The lithium battery module structure with the internal thermal management channel comprises an outer shell and a lithium battery pack, and a top cover is installed at the top of the outer shell; two sets of wire inlet and outlet holes are symmetrically formed in the middle positions of the two ends of the outer shell, a protection mechanism is arranged in the outer shell, and a first channel mechanism used for allowing cooling liquid to flow is arranged in the inner wall of the protection mechanism. The heat dissipation grooves are formed in the two sides of the protection bin, a plurality of channels are divided through the n-shaped heat conduction strips, one end of each internal heat conduction rod extends to the liquid outlet channel, waste heat of cooling liquid and heat conducted to the bin wall by a battery can be guided out, heat dissipation of the surfaces of the heat conduction rods is accelerated through the fans in the heat dissipation grooves, and the design constructs a liquid cooling and air cooling synergistic heat dissipation mode; the overall heat dissipation effect is further enhanced, and the heat management capacity of the module under different working conditions is guaranteed.

The present invention relates to a biaxial stretching process for a pre-coated film for a base film coating applied in the field of film stretching. During the biaxial stretching process, a pre-coating unit and a detection unit are used in conjunction to perform a marking coating on the base film before stretching. By analyzing the change of the mark each time the film is stretched, it is possible to effectively determine whether the stretching is uniform, and to promptly detect the occurrence of uneven stretching, thereby effectively ensuring the quality of the film stretching, and effectively avoiding the occurrence of batches of unqualified films, thereby reducing the waste of materials. At the same time, under the setting of a special preheating roller, the uniformity of the heat distribution on the surface of the preheating roller can be monitored, and the uneven temperature distribution can be detected in time, thereby effectively avoiding the occurrence of uneven stretching, and facilitating the staff to take timely countermeasures to the situation, thereby further improving the quality of the film after stretching.

The invention relates to the technical field of electronic component heat dissipation, and discloses a micro-fluidic regulation liquid drop overheating surface heat dissipation device based on intelligent monitoring, which comprises an electrode plate body, an electrowetting surface is arranged above the electrode plate body, a plurality of liquid drops are arranged on the electrowetting surface, and the electrode plate body is connected with an external control circuit module. The liquid drops and the electrode plate body form a conductive path; the control system comprises a control module and a temperature acquisition module, the temperature acquisition module is used for acquiring the environmental space temperature, the control module is connected with the external control circuit module, and when the acquired temperature exceeds a set temperature threshold value, the control module controls the electrode plate body to form an electric field gradient through the external control circuit module, so that the liquid drops move towards an overheated point, and the liquid drops are heated. And the liquid drops absorb heat through evaporation. The liquid drop migration speed is remarkably increased, the system adopts a phase change heat transfer mechanism, evaporation or boiling replaces sensible heat transfer, and the unit area heat dissipation efficiency is remarkably improved compared with a traditional scheme.

The invention discloses a heat dissipation optimization device and a heat dissipation method for a high-density three-dimensional stacked chip, and relates to the field of heat dissipation devices. According to the scheme, a heat conduction base is tightly attached to a plurality of first heat pipes and main fins, efficient conduction and rapid dissipation of heat on the surface of the chip are achieved, and therefore the heat on the surface and the heat in the chip are taken away at the same time; and an internal and external cooperative temperature control mechanism is formed. Meanwhile, in the cooling process, the rotatable flow direction assembly slowly presses and holds the cooling liquid to flow back and forth in the micro-flow hole through the sealing sliding plate, secondary heat dissipation cooperation based on heat dissipation of the first heat pipe is formed in the heat conduction cover through the second heat pipe and the auxiliary fins, and secondary heat dissipation of the fluid temperature is achieved. And through reciprocating circulation, the cooling liquid not only absorbs high heat of a stacking area in the middle of the chip to avoid hot stacking, but also uniformly disperses heat energy along two ends in reciprocating motion to avoid continuous overheating of the tail end caused by traditional one-way flow.

The invention discloses a humanoid robot bionic skin heating temperature control method, and belongs to the technical field of robot automatic control, and the method comprises the following steps: obtaining real-time temperature distribution data of a bionic skin surface, carrying out time domain differential processing to generate temperature change rate data, and combining the obtained real-time pressure distribution data to construct a contact surface heat conduction characteristic; and generating a basic heat energy supply strategy based on the steady-state components in the heat conduction characteristics of the contact surface, performing dynamic weighted fusion on the basic heat energy supply strategy and an instantaneous heat flow disturbance compensation amount calculated based on the instantaneous dynamic components in the heat conduction characteristics of the contact surface, generating a control heating instruction, and driving a heating unit in the bionic skin to execute a heating action. The real-time pressure and the temperature change rate are integrated to construct the heat conduction characteristic of the contact surface, and the characteristic is decomposed into a steady-state component and an instantaneous dynamic component for feed-forward compensation control, so that predictive compensation can be performed on external thermal disturbance, and rapid and stable control on the temperature of the bionic skin is realized.

The invention relates to the technical field of space satellite thermal control, in particular to a space satellite thermal control system based on self-adaptive thermal transport, which comprises a thermochromic intelligent thermal control coating coated on the whole outer surface of a space satellite, the variable-direction active heat compensation pump loop is arranged in the space satellite; the variable-direction active heat compensation pump loop is arranged between the satellite main illuminated face and the satellite main nightside and used for conducting heat transfer between the satellite main illuminated face and the satellite main nightside. The structure is simple, a basic frame of a heat control system is built, through cooperation of coating covering and a heat pump loop, regulation and transfer of satellite surface heat are preliminarily achieved, the temperature difference of the satellite outer surface is effectively reduced, the temperature uniformity of the outer surface is improved, effective guarantee is provided for a space satellite to avoid detection of an infrared detector, and the application range is wide. And the space satellite is safer and more hidden.