1202 results about "Cold plate" patented technology

The invention discloses a dynamic flow control method for a two-phase cold plate liquid cooling system based on multi-modal sensing, and relates to the technical field of equipment cooling. Comprising the following steps: S1, collecting liquid cooling monitoring data in real time, and performing data preprocessing; s2, judging the state risk of the cold plate, carrying out signal cross validation, and taking an abnormal regulation and control measure; s3, cooling liquid flow regulation and control are carried out, and the matching degree of flow regulation and control and chip thermal load is evaluated, so that flow regulation and control correction is carried out; and S4, constructing a big data modeling and simulation feedback platform, evaluating a flow regulation and control self-healing effect, optimizing each parameter and strategy, and carrying out self-learning evolution. The problems that an existing two-phase cold plate liquid cooling system generally only depends on a single temperature signal, lacks a multi-source redundancy check mechanism, has the problems of response lag, weak local reflection capacity, high risk during failure and the like, consequently, the cooling capacity distribution and adjustment precision is insufficient, and the actual requirement of a high-heat-density data center for heat dissipation is difficult to meet are solved.

The invention discloses a two-phase cold plate heat dissipation control method and system based on vibration and flow coordinated regulation and control, and relates to the technical field of liquid cooling heat dissipation. The two-phase cold plate heat dissipation control method and system based on vibration and flow collaborative regulation and control comprises the steps that S1, cold plate collaborative heat dissipation data is collected in real time, and the cold plate collaborative heat dissipation data is preprocessed; s2, the heat dissipation degradation degree of the two-phase cold plate is evaluated, heat dissipation state classification judgment is executed, and a regulation and control instruction is issued; s3, executing the control instruction, evaluating the regulation and control response state of the cooling path, judging the regulation and control effect, and triggering a time-sharing coordinated regulation and control strategy; and S4, whether heat dissipation of the cooling path fails or not is judged, the thermal degradation trend of the two-phase cold plate is evaluated, and a liquid path switching strategy is executed. The problems that in an existing cold plate liquid cooling heat dissipation technology, oil films are generated by cooling liquid due to temperature changes, the oil films are prone to being attached to the inner walls of micro-pore channels, flowing is blocked, the heat exchange efficiency is reduced, and local overheating and unstable equipment performance are further caused are solved.

The invention discloses a two-phase cold plate liquid cooling ORC waste heat recovery and photovoltaic cooperative energy supply system and method, and relates to the technical field of energy management and waste heat utilization. The two-phase cold plate liquid cooling ORC waste heat recovery and photovoltaic cooperative energy supply system and method comprises the following steps that S1, thermal parameters and electric power states related to cooperative energy supply are collected, and a thermoelectric cooperative input data set is constructed and preprocessed; s2, the supply and demand difference of the high-temperature steam in the main condensation branch and the ORC branch is recognized; s3, coordinating a photovoltaic power supply structure and a cooperative energy supply sequence, and judging the matching degree of cooperative energy supply to a load; and S4, evaluating a cooling, heating and power cooperation and double-source coupling state in combination with a load matching condition and an output behavior. The problems that in an existing two-phase cold plate liquid cooling structure, high-temperature steam is not recycled, photovoltaic power generation does not participate in linkage energy supply, the power source is single, waste heat waste is serious, and energy collaboration is insufficient are solved.

The present disclosure proposes a liquid cooling system with leak protection and method for cooling liquid leak protection. The liquid cooling system is adapted to a server system including a rack and a server. The liquid cooling system includes: a cooling distribution unit (CDU), a liquid detector, a local leak management device and a central leak management device. The CDU distributes coolant to a cold plate disposed inside the server through a manifold and a water valve. The liquid detector is disposed inside the sever and configured to generate a server leakage event. The local leak management device is disposed inside the rack and configured to control the sever to shutdown after data archiving, close the water valve and output a server leak notification after receiving the event. The central leak management device controls the CDU to reduce a flow rate distributed to the cold plate based on the notification.

The invention discloses a heat dissipation control method and device for a single-phase immersed liquid cooling charging pile and a medium, and relates to the technical field of battery thermal management, and the method comprises the steps: carrying out the high-precision scanning and dynamic feature extraction of a built-in fiber grating array of a cold plate according to a partition flow control signal, and obtaining a temperature field matrix and a dynamic thermal feature set; performing multi-dimensional fusion analysis and electrochemical coupling analysis on the temperature field matrix and the dynamic thermal feature set to generate a thermal coupling parameter set; performing real-time risk quantitative evaluation and risk topological mapping on the thermal coupling parameter set, and outputting a risk topological data set; and performing cooling intensity dynamic modulation according to the risk topology data set, and obtaining a partition flow redistribution instruction. According to the invention, fine monitoring of the cold plate-battery interface contact thermal resistance is realized through a high-precision pressure field reconstruction technology, the accuracy and reliability of pressure distribution detection are significantly improved, and the local overheating risk caused by an assembly gap is effectively eliminated.

The invention relates to the technical field of heat dissipation performance testing, and discloses a heat dissipation performance testing system of a water-cooling radiator and a testing method of the heat dissipation performance testing system. The method comprises the steps that real-time temperature distribution data of a CPU, a DIMM and a GPU in a supercomputing server under a preset load are collected, and meanwhile the inlet temperature, the outlet temperature and flow parameters of cooling liquid of the integrated liquid cooling radiator are recorded. A three-dimensional heat conduction field model is constructed based on the data, and a local heat exchange coefficient matrix between the surface of each chip and the cooling liquid is obtained through calculation. And inputting the matrix into a fluid dynamic simulation network, and generating a turbulence intensity distribution diagram of the flowing state of the cooling liquid in the cold plate by combining a viscosity change curve of the cooling liquid and micro-channel structure parameters of the cold plate. Dividing a heat dissipation performance evaluation area according to the distribution diagram, and extracting cooling liquid flow velocity fluctuation characteristics for an area with turbulence intensity higher than a first threshold value; and marking the defect coordinates of the micro-channel structure for the region with the turbulence intensity lower than a second threshold value.

The utility model belongs to the field of server heat dissipation, particularly relates to a high-efficiency heat exchange type server liquid cooling heat dissipation system, and aims to solve the problems that existing air cooling heat dissipation is limited by low air heat conduction efficiency, heat generated in a server cannot be taken away quickly, the stability and the service life of the server are affected, and the service life of the server is influenced. In order to solve the problem that the position of a heat dissipation device cannot be adjusted according to different types of servers, the utility model provides the following scheme that the heat dissipation device comprises a server main body and a circulating box, a cold plate and a cooling pipe are arranged in the server main body, the upper surface of the circulating box is fixedly connected with a circulating pump, and the liquid inlet end of the circulating pump is fixedly communicated with a liquid pumping pipe; according to the liquid cooling heat dissipation device, the liquid cooling heat dissipation technology is adopted, the high heat conductivity of cooling liquid is achieved, heat of key components in the server can be rapidly and efficiently absorbed and taken away, the working temperature of the server is remarkably reduced, the service life of the server is prolonged, the service life of the server is prolonged, the service life of the server is prolonged, and the service life of the server is prolonged. And the system stability and service life are improved.

The invention provides a 3He internal circulation device for a dilution refrigerator and the dilution refrigerator, and relates to the technical field of dilution refrigerators. The dilution refrigerator is provided with a mixing chamber and an evaporation chamber, the 3He internal circulation device comprises at least one pair of circulation main bodies and a driving mechanism, the at least one pair of circulation main bodies are arranged between a first-stage cold disc and a second-stage cold disc which are distributed at intervals in the vertical direction, the temperature of the first-stage cold disc is located in a first temperature zone, and the temperature of the second-stage cold disc is located in a second temperature zone; each circulating main body has a first state in which the circulating main body moves downwards to be in contact with the second-stage cold disc, is cooled to a second temperature zone and adsorbs 3He steam from the evaporation chamber, and a second state in which the circulating main body moves upwards to be in contact with the first-stage cold disc, is heated to the first temperature zone and releases the 3He steam to the mixing chamber. The driving mechanism is suitable for driving the two circulating main bodies in each pair to move in the vertical direction so as to be switched between a first state and a second state, and the two circulating main bodies are kept in different states so as to form a 3He steam inner circulating passage.

The invention relates to a semi-immersed semi-cold plate type mixed liquid cooling power supply module, which comprises a device cavity, a cooling liquid flowing cavity, a first heating assembly and a second heating assembly, the device cavity is filled with a gas medium, and the cooling liquid flowing cavity is filled with cooling liquid; the cooling liquid flowing cavity is arranged in the device cavity, the first heating assembly is contained in the cooling liquid flowing cavity and is immersed in the cooling liquid, and the second heating assembly is contained in the device cavity and is contained outside the cooling liquid flowing cavity. The second heating assembly is arranged on the outer wall of the cooling liquid flowing cavity. Through the cavity-in-cavity structure, the heat dissipation requirement of the first heating assembly contained in the cooling liquid flowing cavity and immersed in the cooling liquid is met, and the heat dissipation requirement of the second heating assembly arranged on the side wall, making contact with the gas medium, of the cooling liquid flowing cavity is also met; and the advantages of cold plate type liquid cooling and immersed liquid cooling can be combined respectively.

The present application relates to the technical field of computers, and discloses a cold plate, a server, and a server system. The cold plate of the present application comprises: a cold plate body, a cooling liquid cavity being formed in the cold plate body, and a heat exchange plate configured to be connected to a heat source being formed on one side of the cold plate body; a jet structure arranged in the cooling liquid cavity and partitioning the interior of the cooling liquid cavity into a first cavity and a second cavity, the second cavity being formed between the jet structure and the heat exchange plate, and jet holes for spraying cooling liquid toward the heat exchange plate being formed in the jet structure; a cooling liquid inlet communicated with the first cavity; and cooling liquid outlets communicated with the second cavity, the cooling liquid outlets being arranged in pairs and respectively formed in two sides of the cold plate body. In the cold plate of embodiments of the present application, after being sprayed onto the heat exchange plate, the cooling liquid can diffuse to the two sides of the cold plate, and flow out through the cooling liquid outlets in the two sides of the cold plate, such that the heat distribution on the two sides of the cold plate is more uniform, thereby providing a more uniform temperature distribution on the surface of the heat source.

The embodiment of the invention provides a liquid cooling heat dissipation device and electronic equipment, and relates to the technical field of liquid cooling heat dissipation. The liquid cooling heat dissipation device comprises a cold plate, at least two heat conduction pieces and at least two elastic assemblies. The cold plate is provided with at least two sliding grooves. The heat conduction pieces are inserted into the sliding grooves in a one-to-one correspondence mode, can slide in the sliding grooves in the vertical direction and are used for being in contact with the surface of an optical module of at least one electronic device for heat transfer. The elastic assemblies are fixedly connected with the heat conduction pieces in a one-to-one correspondence mode, the elastic assemblies are fixedly connected with the cold plate, and the elastic assemblies are configured to apply elastic force and act on the heat conduction pieces when the optical modules are installed so that the heat conduction pieces can be tightly pressed on the surfaces of the corresponding optical modules. According to the liquid cooling heat dissipation device provided by the embodiment of the invention, the number of the cold plates can be reduced, so that the number of connection points between the cold plates and the liquid separator can be reduced, the number of positions where leakage possibly occurs on the electronic equipment can be reduced, and the probability of cooling medium leakage can be reduced.

The invention relates to the technical field of charging pile heat dissipation, and discloses an intelligent charging pile heat dissipation system based on a two-phase cold plate and a spraying mode. The system comprises a heat dissipation area division unit, a data acquisition unit, a heat dissipation mode analysis unit, an environment heat dissipation area determination unit, a heat dissipation weight construction unit, a heat dissipation sequence generation unit and a driving execution unit. The heat dissipation area dividing unit divides the interior of the charging pile into a plurality of heat dissipation adjusting areas. The data acquisition unit acquires temperature distribution data of a shell surface contact area in real time; the heat dissipation mode analysis unit recognizes a target heat dissipation area and divides a coverage area of the target heat dissipation area into a main heat dissipation area and an auxiliary heat dissipation area; the environment heat dissipation area determination unit determines an environment heat dissipation area in the uncovered area, and the three parts form a heat dissipation processing set. A heat dissipation weight construction unit calculates the heat dissipation adjustment difference degree of adjacent intervals and constructs a weight map, and a heat dissipation sequence generation unit generates a heat dissipation adjustment sequence according to the heat dissipation adjustment difference degree; the driving execution unit drives the two-phase cold plate and the spraying module to dissipate heat in sequence, and targeted heat dissipation is achieved.

The invention discloses a comprehensive energy intelligent dual-mode dynamic heat dissipation energy storage cabinet, and relates to the field of energy storage cabinets, the comprehensive energy intelligent dual-mode dynamic heat dissipation energy storage cabinet comprises a cabinet body, the cabinet body is divided into at least two independent heat dissipation areas in the vertical direction, a flow guide partition plate is arranged between layers, and a continuous airflow channel is formed; the dual-mode heat dissipation system comprises an air cooling system and a liquid cooling system. The battery pack group comprises a plurality of battery packs arranged in the heat dissipation area, and the battery packs are arranged in each layer in a staggered manner; the cold plate is arranged at the bottom of the battery pack, a runner is arranged in the cold plate, the cold plate is connected with the liquid cooling system, and a plurality of ventilation holes are formed in a non-runner area of the cold plate; the phase change layer is arranged in the shell of the battery pack; and the control unit is used for controlling the operation of the dual-mode heat dissipation system according to the temperature data. The wavy flow guide partition plates and the battery packs are arranged in a staggered manner, so that an optimized airflow path is formed, the heat dissipation effect is enhanced, and the space is saved.

The invention discloses a liquid cooling server heat dissipation system and a liquid cooling server, and relates to the technical field of server heat dissipation. The cooling liquid inlet main pipeline is connected with the cold plate assembly; the cooling liquid return main pipeline is connected with the cold plate assembly; the cooling liquid return first branch and the cooling liquid return second branch are connected with the cooling liquid return main pipeline through flow distribution pieces; the first heat exchange device is connected with the cooling liquid return first branch and used for cooling the cooling liquid in the cooling liquid return first branch; the second heat exchange device is connected with the first heat exchange device and the second cooling liquid return branch and used for mixing the cooling liquid cooled by the first heat exchange device with the cooling liquid of the second cooling liquid return branch so as to obtain the mixed and cooled cooling liquid, and the second heat exchange device is connected with an inlet of the cooling liquid inlet main pipeline so as to obtain the mixed and cooled cooling liquid. And cooling liquid is supplied to the cooling liquid inlet main pipeline. The problem of high power consumption of the cooling system of the liquid cooling server is solved, and the energy consumption is reduced.

The invention discloses a two-phase cold plate liquid cooling dryness real-time measurement method and system based on data fusion, and relates to the technical field of liquid cooling data processing, and the method comprises the following steps: S1, collecting multi-mode liquid cooling working condition data in real time, carrying out the data preprocessing, carrying out the fusion of original dryness according to three types of dryness signals, and evaluating the health degree of signal fusion; s2, dynamically distributing adaptive signal weights for each type of dryness signals to obtain high-precision fusion dryness, and performing anomaly diagnosis; s3, the high-precision fusion dryness is optimized, flow adjustment is carried out, meanwhile, dead zone compensation of flow adjustment is carried out, and flow compensation correction is carried out; and S4, monitoring a flow regulation process and abnormal information in real time, and performing high-precision visual feedback and operation and maintenance optimization of the fusion dryness. The problems that an existing two-phase cold plate liquid cooling system generally adopts a single dryness detection mode and is prone to being interfered by the environment and lagging in response, so that the dryness measurement precision is insufficient, and the reliability and the heat dissipation efficiency of cooling capacity adjustment are affected are solved.

The invention discloses an immersed liquid cooling charging system and a control method thereof, the immersed liquid cooling charging system comprises a cabinet, a plurality of power modules, a radiator, a circulation pipeline, a circulation pump, a valve and a cooling fan, and the cabinet is provided with a top plate and a bottom plate which are oppositely arranged in the height direction of the cabinet; the plurality of power modules are arranged in the cabinet; the radiator is arranged in the cabinet and is located between the power module and the top plate; the circulation pipeline is communicated with the radiator and each power module; the circulating pump is arranged on the circulating pipeline; and the cooling fan is arranged on the top plate. According to the immersed liquid cooling charging system provided by the invention, the power module is directly communicated with the radiator through the circulating pipeline, a scheme that a cold plate is in contact with an internal device of the power module is not needed, a cold plate flow channel does not need to be designed and arranged, and the use is more convenient; meanwhile, all heating devices and circuits in the power module are soaked in insulation, so that heat dissipation is more direct and effective; and oxygen is isolated from being in contact with a heating device and a circuit, so that the safety is higher.

The utility model relates to the technical field of server heat dissipation, in particular to a cold plate type heat dissipation device and a server. A cold plate type heat dissipation device is used for heat dissipation of a server, the cold plate type heat dissipation device comprises a heat dissipation assembly and a pipeline assembly, the heat dissipation assembly comprises a plurality of cold plates, the cold plates are independently arranged, each cold plate inwards forms a liquid cooling flow channel, and each liquid cooling flow channel is provided with an inlet and an outlet; the pipeline assembly comprises a liquid inlet pipe and a return pipe, the liquid inlet pipe is communicated with the multiple inlets in parallel, and the return pipe is communicated with the multiple outlets in parallel; wherein the cold plate is provided with a heat dissipation part, and the heat dissipation part is used for being attached to a chip of the server so as to dissipate heat of the chip; the projection of the heat dissipation part towards the inlet in the thickness direction of the cold plate can cover the inlet. The cold plates are arranged in parallel, so that the temperature of the cooling liquid entering each cold plate is closer, and each cold plate can effectively absorb and dissipate heat.

An all-in-one liquid cooler includes a liquid-cooling radiator and a cold plate. The liquid-cooling radiator has a first liquid box, a second liquid box, and a heat dissipation pipe assembly connected between the first and second liquid boxes. The cold plate is combined with the second liquid box to be attached to a processor. The first liquid box of the liquid-cooling radiator forms a cold liquid chamber and a hot liquid chamber. There is a flow dividing baffle in the cold liquid chamber with multiple through holes. After the liquid enters the cold liquid chamber, it is first dispersed through the through holes and then flows to the cold plate, so that the liquid is evenly distributed in the heat dissipation pipe assembly to fully dissipate heat.

The invention discloses a compressor refrigeration and fluorine pump refrigeration dual-circulation system, and relates to the technical field of refrigeration equipment, the compressor refrigeration and fluorine pump refrigeration dual-circulation system comprises a compressor refrigeration system and a fluorine pump refrigeration system, and the compressor refrigeration system and the fluorine pump refrigeration system are coupled to form the dual-circulation system for cooling electronic components; the compressor refrigerating system comprises a compressor, a condenser, a liquid storage device, a thermostatic expansion valve, a plate heat exchanger and a gas-liquid separator. The compressor, the condenser, the liquid storage device, the thermostatic expansion valve, the plate heat exchanger and the gas-liquid separator are sequentially connected to form a closed loop. The operation of the double-circulation system is controlled through the fluorine supply temperature collected by the temperature sensor installed at the inlet of the cold plate assembly, the fluorine pump refrigeration system conveys a certain flow of refrigerant to the cold plate assembly for heat exchange, and the refrigerant flowing out of the cold plate assembly exchanges heat with the compression refrigeration system through the plate heat exchanger. And the opening balance system is adjusted to output cold energy to the cold plate assembly.

A cooling assembly for liquid cooling of a heat-generating component such as a dual in-line memory module (DIMM) in a computer device is disclosed. The cooling assembly includes a bracket holding a micro-pipe assembly. The micro-pipe assembly has a cold manifold, a hot manifold and a series of micro-pipes. The micro-pipes are fluidly coupled between the cold manifold and hot manifold to allow coolant flow between the cold manifold and the hot manifold. The bracket positions the micro-pipe assembly such that micro-pipes are positioned proximate to opposite sides of the heat-generating component. A coolant inlet supplies coolant to the cold manifold and a coolant outlet collecting coolant from the hot manifold.

The utility model belongs to the technical field of optical module heat dissipation, and discloses a liquid cooling plate and an optical module liquid cooling structure, and the liquid cooling plate comprises a diverter and a plurality of cold plate bodies. The multiple cold plate bodies are arranged at intervals in the extending direction of the confluence channel, each cold plate body comprises a movable section, a bent section and a fixed section, and the two ends of each bent section are connected with the corresponding movable section and the corresponding fixed section correspondingly; wherein the bent section comprises a first bent part capable of being bent towards the upper portion of the fixed section and a second bent part capable of being bent towards the lower portion of the fixed section, and the first bent part and the second bent part are in smooth transition. Through the arrangement of the bending section, rigid bending deformation of the liquid cooling plate is avoided, an elastic component between the liquid cooling plate and the optical module is omitted, the optical module is attached for heat dissipation and adapts to insertion and extraction of the optical module, and the heat dissipation efficiency is effectively improved.

A dual cooling source direct expansion liquid cooling system for battery energy storage and a control method. The system includes an air conditioning and refrigeration system, a battery management system and a control system; the battery management system includes a plurality of battery packs and a cold plate provided in correspondence with the battery packs; the battery pack is in direct contact with the cold plate for heat exchange; the cold plate is provided with a heat exchanger tube running through the cold plate and a phase change thermostatic material; the phase change thermostatic material is used to absorb heat from the battery pack and change the liquid refrigerant phase into gaseous refrigerant entering the heat exchanger tube; the heat exchanger tube output end of the cold plate is connected to the air conditioning and refrigeration system via an intermediate system.

The invention relates to the technical field of data center thermal management, in particular to a pump-driven two-phase multi-connected liquid cooling control method and system, and the system comprises a liquid cooling module, a plurality of groups of cold plates, a sensor group and a central controller. The liquid cooling module comprises a plate heat exchanger, a liquid storage tank, a parallel refrigerant pump, a control valve group and a tail end flow regulating valve which form a closed circulation loop; the cold plates are arranged in parallel at heat source positions; the sensor group collects parameters such as temperature, pressure and flow; and the central controller executes a self-adaptive fuzzy PID algorithm to dynamically adjust the pump speed, corrects a flow set value through a two-phase flow stability optimization algorithm, starts and stops the pump according to periodic polling, and controls the on-off and the opening degree of a valve. The water-free fluorinated liquid is adopted as a refrigerant, and multi-pump redundancy, double-algorithm cooperation and independent flow regulation design are combined, so that the heat dissipation efficiency and the system stability are improved, the service life of equipment is prolonged, the multi-heat-source differentiation requirements are met, the operation safety is enhanced, and the energy consumption and the maintenance cost are reduced.

The utility model belongs to the technical field of packaging, and particularly discloses uniform sub-packaging equipment for packaging white sesame seeds. The problem of low packaging efficiency caused by the fact that cooling cannot be completed synchronously in the white sesame packaging process is solved. On one hand, a primary cooling effect is formed through the spiral discharging structure under the assistance of a spiral air blowing effect, then a secondary cooling effect is achieved through the arrangement of the spiral cooling plate attached to the spiral discharging structure, the double cooling effects are combined to achieve rapid cooling of white sesame particles before subpackaging and packaging, and the packaging efficiency is improved; on the other hand, by means of the structural arrangement that the cooled white sesame particles are gathered and then discharged at a constant speed, the cooled white sesame particles can be continuously and evenly subpackaged, and continuous packaging of the white sesame particles is achieved while cooling is effectively completed through the comprehensive arrangement of the white sesame particles and the white sesame particles.

Disclosed is a coolant fluid manifold for coupling to a cold plate. The manifold includes an input channel including an inlet and an outlet. The inlet is configured to receive input coolant fluid. The input channel includes a guide element that projects from a wall of the input channel. The guide element is configured to guide fluid flow from the outlet.

The invention discloses a double-layer collaborative energy management and control method and system for a cold plate type liquid cooling data center, and belongs to the technical field of data center energy management. The method comprises the steps that upper-layer day-ahead economic dispatching is based on time-of-use electricity price and outdoor environment temperature prediction, and a server load scheme and a cooling system reference flow track are generated with the minimum total operation cost as the target; in lower-layer intraday dynamic regulation and control, model prediction control is adopted to track the trajectory, the load rate of a server and the rotating speed of a secondary pump are adjusted in real time, and it is ensured that the temperature of a chip is within the safety range of 45-70 DEG C; and the lower layer feeds back the actual chip temperature and energy consumption to the upper layer for online correction of dynamic thermodynamic model parameters to form closed-loop optimization. The system comprises a data acquisition module, a dynamic thermodynamic modeling module, an upper and lower layer optimization control module and an information interaction and feedback module. According to the invention, the overall operation cost and the PUE value of the data center are reduced on the premise of ensuring the temperature safety of the chip.

The invention is suitable for the technical field of new energy hybrid electric vehicles, and provides a new energy hybrid electric vehicle thermal management system and method based on a double-medium cold plate, the system comprises a heat pump air conditioner loop, an engine / range extender cooling loop, an electric drive system cooling loop, a passenger compartment heating loop and a battery cooling / heating loop; a double-medium cold plate in the heat pump air conditioner loop is provided with a refrigerant flow channel and a cooling liquid flow channel which are independent of each other and can conduct heat exchange. A refrigerant flow channel of the double-medium cold plate is connected into the heat pump air conditioner loop, a cooling liquid flow channel of the double-medium cold plate is connected into the battery cooling / heating loop, and the double-medium cold plate is used for thermal coupling of the heat pump air conditioner loop and the battery cooling / heating loop. The double-medium cold plate is used for replacing a traditional heat exchange component, the system integration degree and the energy utilization efficiency are improved, and the temperature range adaptability is high.

The invention discloses a double-medium cascade liquid cooling heat dissipation system, and relates to the technical field of computer hardware heat dissipation. Comprising a cold plate assembly, a circulating pipeline and a driving unit, the cold plate assembly comprises a lower-layer cold plate and an upper-layer cold plate, the lower-layer cold plate comprises a first liquid alloy cold plate and a second liquid alloy cold plate which are located in the area, where the GPU module is located, of the mainboard chip, and the upper-layer cold plate comprises a large liquid alloy cold plate located in the area, where the CPU module and the HBM module are located, of the mainboard chip. A first water-based cold plate and a second water-based cold plate are attached to the top of the first liquid alloy cold plate and the top of the second liquid alloy cold plate respectively, and a large water-based cold plate is attached to the bottom of the large liquid alloy cold plate. According to the invention, heat balance transfer between the high heat flux area of the GPU module and the low power consumption area of the CPU module and the HBM module can be realized, heat at the GPU module is partially transferred to a large-area cold plate of the CPU module and HBM module area, the heat dissipation pressure of the GPU module area is obviously reduced, and the overall heat dissipation efficiency is improved.

The invention provides a heavy truck liquid cooling overcharging topology dynamic optimization method and system, and relates to the technical field of heavy truck liquid cooling overcharging, and the method comprises the steps: generating time-space thermal load distribution through a transient thermal load equation, and recognizing a thermal aggregation region coordinate set; generating a runner diameter grading mapping table; an objective function and constraint conditions of topological optimization are defined, a topological optimization algorithm is selected, parameters are set, and an optimal topological structure of the cold plate channel is obtained; an optimal topological structure is adopted, a fatigue life map is calculated through a modal superposition method, and meanwhile a thermal runaway risk matrix is quantified; and according to the fatigue life map, the thermal runaway risk matrix and the sensitivity field, establishing a dynamic adjustment health degree model of the cold plate channel, and outputting an optimized flow channel topology and a parameter set. The method has the beneficial effects that the service life of the battery pack is effectively prolonged, the maintenance cost is reduced, and the overall performance and the economic benefit of the liquid cooling overcharging system of the heavy truck are improved.

The invention relates to a variable-thickness two-phase cold plate, belongs to the technical field of chip heat dissipation, and solves the technical problems of overhigh local temperature, overlarge overall resistance and the like caused by an existing cold plate structure. The micro-channel two-phase cold plate comprises a bottom plate, a liquid inlet, a liquid outlet, a liquid separation cavity, a liquid collection cavity, a cover body and a fin group, the liquid inlet and the liquid outlet are formed in the bottom plate and / or the cover body; the fin group is arranged in an internal space formed by the bottom plate and the cover body; an internal space defined by the cover body and the bottom plate forms a liquid working medium flowing space of a phase change refrigerant; and fins of the fin group are arranged in a variable-height manner. The height of the flow channel is increased in the flowing direction, the overall heat exchange area of the flow channel is increased, a phase change refrigerant can effectively absorb heat from the bottom plate and the fin set, and the heat exchange capacity of the cold plate is improved; bubble blockage and backflow are reduced, the problems of local evaporation drying, too high temperature and the like of the micro-channel close to the liquid collection cavity are avoided, and friction loss and the overall pressure drop of the two-phase cold plate are reduced.