2379 results about "Cold plate" patented technology

The invention discloses an accurate flow control method and system for a two-phase cold plate cooling data center, and relates to the technical field of two-phase cold plate cooling, and the method comprises the following steps: S1, collecting multi-mode operation monitoring data in real time, and carrying out the data preprocessing; s2, constructing a multivariable short-time-sequence prediction model, predicting the cooling demand, and performing optimization regulation and control on a cooling demand prediction result; s3, the target regulation and control flow of the cooling liquid is predicted, and flow and cooling execution measures are taken according to the target regulation and control flow prediction result; the opening degree of the valve is accurately adjusted and evaluated in real time, and accurate flow control is achieved; s4, integrating multi-mode operation monitoring data, a cooling demand prediction result, a target regulation and control flow prediction result and a valve opening accurate regulation evaluation result, and constructing a parameter optimization and safety fault-tolerant mechanism; the problems of chip safety and energy consumption risks caused by cold plate temperature overshoot and cooling capacity regulation lag under high-load fluctuation of the server are solved.

A liquid cooling plate assembly is configured to be in thermal contact with a first heat source and a second heat source. The liquid cooling plate assembly includes a cold plate and a plurality of heat pipes. The cold plate includes a plate body and a plurality of fins. The plate body is configured to be in thermal contact with the first heat source and the second heat source, the plate body has a fluid chamber and an inner bottom surface, the inner bottom surface is located at a bottom of the fluid chamber, and the fins protrude from the inner bottom surface. The heat pipes are located in the fluid chamber and thermally coupled to the fins, and the heat pipes are arranged side by side and are in thermal contact with one another.

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 cold plate-immersion liquid cooling cooperative heat dissipation method based on steam zone coupling modeling, and relates to the technical field of cooperative heat dissipation. Comprising the following steps of S1, collecting collaborative heat dissipation monitoring data of each key position in real time, and performing data preprocessing; s2, the comprehensive risk of the steam area is judged, and a risk cooling adjustment instruction is issued according to the comprehensive risk judgment result; s3, receiving a risk cooling adjustment instruction, carrying out collaborative heat dissipation, evaluating the collaborative heat dissipation capability, adjusting the rotating speed of a circulating pump and the opening degree of a valve, and requesting condensation backflow adjustment; s4, judging the adjusting quantity of condensation reflux, executing reflux adjustment and performing safety monitoring; and S5, continuously monitoring the data of each link, and carrying out anomaly detection on the state of each link to realize anomaly regulation and control. The problems that in an existing single-phase cold plate or two-phase immersion liquid cooling mode, steam accumulation is prone to occurring in a high-heat-flow scene, so that the pressure intensity is increased, the boiling point is increased, and the heat exchange efficiency is reduced, and then the operation reliability of equipment is affected are solved.

An apparatus and system for cooling a plurality of electronic devices (25, 26) disposed on a circuit board (1) are provided. The apparatus comprises a plurality of cold plates (7, 8), each cold plate (7, 8) having a thermal interface surface for cooling an electronic device (25, 26) thermally coupled thereto. The apparatus comprises a support frame to which each of the plurality of cold plates (7, 8) is attached, the support frame configured for attachment to the circuit board so as to hold the thermal interface surfaces of the plurality of cold plates (7, 8) in thermal contact with the plurality of electronic devices (25, 26). The support frame is arranged to hold the thermal interface surface of each of the plurality of cold plates (7, 8) at a different position relative to the support frame.

The invention discloses a waste heat recovery scheduling method and system for a two-phase cold plate of a data center, and relates to the technical field of refrigeration and heat management. The waste heat recovery scheduling method and system for the two-phase cold plate of the data center comprises the following steps that S1, key thermal parameters and tail end state variables are collected through multiple types of thermal monitoring devices, and thermal state monitoring data are obtained and preprocessed; s2, on the basis of the thermal state monitoring data and in combination with an SLA configuration file, performing priority division on the heat utilization terminals, and constructing a scheduling deviation judgment mechanism to identify thermal state changes; s3, under driving of the regulation and control instruction, accessing multi-source waste heat and distributing the multi-source waste heat to each terminal scene, and evaluating a matching condition of the waste heat and a terminal demand; and S4, based on the change of the heat distribution state and the thermal state monitoring data, identifying an overload risk in combination with a multi-parameter linkage mechanism. The problems that waste heat recovery is insufficient and the energy utilization rate is limited under the light-load and multi-heat-source cooperative working condition are solved.

The invention discloses a cooling system and a server cabinet, and relates to the technical field of server cabinets, and the cooling system comprises a cooling module and at least two cooling branches. The cooling branch is provided with a control valve, a detection assembly and a cold plate module used for cooling working devices in the server. The cooling module is connected with each cooling branch, the cooling module is used for providing a cooling medium for each cooling branch, the cooling module comprises a control module, and the control module is used for being in communication connection with a server, a control valve and a detection assembly in each cooling branch; the control module is further used for receiving the working performance parameters of the working devices in the servers in the cooling branches and the cooling medium performance parameters detected by the detection assembly so as to control the opening degree of the control valves in the corresponding cooling branches. The cooling system solves the problem that the server node flow in the server cabinet cannot be adjusted in real time.

An information technology equipment enclosure comprises a plurality of IT components, cold plates disposed over at least two of the IT components, and a cooling fluid manifold disposed within the IT equipment enclosure. The coolant liquid manifold has multiple input connectors and multiple output connectors. Each of the cold plates are coupled to the cooling fluid manifold using a coolant line attached to one of the input connectors and a coolant line attached to one of the output connectors. An input cooling liquid line couples the coolant liquid manifold to an output of an external liquid cooling system, and an output liquid line couples the coolant liquid manifold to an input of the external liquid cooling system. The coolant liquid manifold is configured to receive cooling fluid from the external liquid cooling system and to distribute the cooling fluid to all of the cold plates via the input connectors.

A two-phase cold plate that includes a manifold body having a fluid inlet and a fluid outlet each fluidly coupled to a fluid pathway housed within the manifold body and a vaporization structure housed within the manifold body such that the fluid pathway is disposed over the vaporization structure. The vaporization structure includes a cavity cover, a porous surface, a vapor cavity disposed between the cavity cover and the porous surface, and one or more porous feeding posts extending between the cavity cover and the porous surface. The one or more porous feeding posts fluidly coupled the fluid pathway with the porous surface of the vaporization structure and the porous surface includes a plurality of nucleation sites configured to induce vaporization of a cooling fluid and facilitate vapor flow into the vapor cavity of the vaporization structure.

The invention provides a two-phase cold plate liquid cooling cabinet, a control method and a data center, the two-phase cold plate liquid cooling cabinet comprises a plurality of two-phase cold plates, an electro-hydraulic integrated distribution module, a liquid cooling heat exchange module, a system detection module and a system control module, the plurality of two-phase cold plates are used for heat transfer connection with a to-be-cooled part; the electro-hydraulic integrated distribution module is arranged on the rear side of the liquid cooling cabinet and connected with the two-phase cold plate and the to-be-cooled part. The data acquisition module is used for acquiring power consumption information corresponding to to-be-cooled equipment of each node and / or cooling capacity information of a two-phase cold plate of each node; the flow of fluid in the two-phase cold plate is controlled according to the power consumption information and / or the cooling capacity information; the liquid cooling heat exchange module comprises an accommodating cavity arranged at the bottom of the liquid cooling cabinet and is connected with the electro-hydraulic integrated distribution module, and at least three stages of heat exchange units are arranged in the accommodating cavity; and the system detection module is used for acquiring parameters of a cabinet circulation system in operation of each module and each pipeline in the liquid cooling cabinet.

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.

A hybrid cooling system is configured to receive heat-generating components of an information technology (IT) device. The system includes a chassis having a peripheral wall that extends between a chassis base and an open top surface, the peripheral wall forming an enclosure between an upstream side and a downstream side. An immersion conduit delivers an immersion coolant and fills the enclosure to fully immerse the heat-generating components. An outlet duct drain overflow of the immersion coolant accumulated in the enclosure. A cold plate within the enclosure is configured for direct contact with at least one heat-generating component. A supply conduit delivers a direct coolant in cooled form within the cold plate, and is in flow communication with a cold plate inlet connector. A return conduit removes the direct coolant in heated form from the cold plate, and is in flow communication with a cold plate outlet connector.

The invention discloses a cold plate mounting and dismounting tool structure and a using method thereof. The cold plate mounting and dismounting tool structure comprises a base and a main body, the main body is placed on the base, the main body is provided with a positioning block, a grabbing assembly and a spring pressing buckle, the main body is provided with a containing cavity used for containing an SDI card cold plate and a mounting cavity of a liquid cooling connector, the spring pressing buckle is used for fixing the SD card cold plate and the liquid cooling connector, and the grabbing assembly is used for fixing a CPU cold plate. The main body is fixed on the liquid cooling server case, the grabbing assembly grabs the CPU cold plate, the spring pressing buckle fixes the SDI card cold plate and the liquid cooling connector, after the whole set of cold plate is fixed on the main body, the main body is taken up, the whole set of cold plate is detached from the case, the main body is turned over and placed on the base so as to be coated with radiator silicone grease, and after a product is repaired, the main body is fixed on the base. And then the main body is fixed on the case, and the cold plates are loaded into the case one by one, so that the whole set of cold plates can be assembled and disassembled by one person, and the operation and maintenance efficiency of the server is improved.

An information processing device comprises bays to removably receive pluggable modules, a liquid cooling system comprising cold plates in the bays, and a module locking mechanism. The cold plates are movable between an engaged state with the pluggable modules and a disengaged state. The module locking mechanism prevents insertion and removal of the pluggable modules into or out of the bays if the cold plates are in the engaged state, and allows insertion / removal of the pluggable modules if the cold plates are in the disengaged state. The device may also comprise a cold plate engagement mechanism actuatable to move the cold plates between the engaged and disengaged states, and the module locking mechanism may be mechanically coupled to the cold plate engagement mechanism such that actuation of the cold plate engagement mechanism drives the module locking mechanism to switch between preventing and allowing insertion / removal.

The invention discloses a trapezoidal manifold-microchannel cold plate with a micro-pin-fin porous structure, and belongs to the technical field of heat dissipation of electronic equipment. The device comprises an upper cover plate, a manifold layer, a micro-channel layer and a lower cover plate, the manifold layer comprises an inlet, an outlet, an inlet flow equalizing cavity, an outlet flow equalizing cavity, a manifold inlet channel and a manifold outlet channel, and the micro-channel layer comprises an acceleration section, a buffer section and a micro-pin-fin porous structure. Fluid is distributed to the manifold inlet channel through the flow equalizing cavity under the action of pump work, then enters the micro-channel layer through the manifold inlet channel and takes away heat transferred by the lower cover plate in the micro-channel, and the fluid absorbing heat enters the outlet flow equalizing cavity through the manifold outlet channel. And the manifold structure shortens the flow path, so that the flow is in a development stage, and heat exchange is enhanced while the flow resistance is reduced. The acceleration section of the micro-channel layer inhibits phase change backflow, and the acceleration section and the buffer section are formed by the micro-pin-fin porous structure, so that the formation of a vaporization core is accelerated, and the stability of two-phase boiling is improved.

A modular heat exchange assembly includes a cold plate defining a finned surface and a corresponding plurality of microchannels. Selected ones of the plurality of microchannel extend from a first end to an opposed second end. A fluid receiver unit defines an inlet port and a first fluid connector fluidically coupled with the inlet port. A fluid transfer unit defines an outlet port and a second fluid connector matingly engageable with and disengageable from the first fluid connector to fluidly couple the fluid receiver unit and the fluid transfer unit together. The fluid transfer unit defines a distribution manifold configured to distribute coolant among the selected microchannels at a position between the first ends and the second ends of the selected microchannels. The fluid transfer unit further defines a collection manifold configured to receive coolant from the selected microchannels. The collection manifold and the outlet port are fluidically coupled together.

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 invention relates to the technical field of fusion devices, and discloses a cooling double-flow-channel structure of a nuclear fusion cold shield device, the cold shield device and a nuclear fusion device.The cooling double-flow-channel structure comprises a cold plate, a first flow channel and a second flow channel are arranged in the cold plate and are arranged in a bent mode, and the first flow channel and the second flow channel are communicated with each other; the cold plate is provided with a first inlet, a first outlet, a second inlet and a second outlet, the first inlet and the first outlet communicate with the first runner, and the second inlet and the second outlet communicate with the second runner; the first cooling pipe assembly comprises a first pipe section and a second pipe section, the first pipe section is communicated with the first inlet, and the second pipe section is communicated with the first outlet; the second cooling pipe assembly comprises a third pipe section and a fourth pipe section, the third pipe section is communicated with the second inlet, and the fourth pipe section is communicated with the second outlet. The device can be arranged in a narrow area of the cold shield device, and the overall heat shielding reliability and heat shielding performance of the cold shield device are improved.

Cooling module includes a mounting element, a force application member, a lever, and a cold plate movably coupled to the mounting element. The mounting element having engagement members, is coupled to a receptacle of an electronic device that is configured to receive a removable electronic device at the receptacle. The force application member having spring fingers, is disposed between the mounting element and the cold plate, and movable relative to the mounting element. The lever is connected to the mounting element and the force application member and shiftable between actuated and unactuated states. In the actuated state, the lever pushes the force application member along a first direction causing the engagement members to move the force application member along a second direction perpendicular to the first direction and urge the cold plate to compress the spring fingers and establish thermal contact between the cold plate and the removable electronic module.

The invention discloses a heat dissipation system, electronic equipment, a control method of the heat dissipation system and a program product, and relates to the technical field of computer heat dissipation, the heat dissipation system comprises a cold plate, a negative pressure assembly, a condenser, a data acquisition module and a control module, the inlet end of the negative pressure assembly communicates with the outlet end of the cold plate, and the negative pressure assembly is used for forming a negative pressure environment; the condenser is used for exchanging heat with the outside, the outlet end of the condenser communicates with the inlet end of the cold plate, the air inlet end of the condenser communicates with the air outlet end of the negative pressure assembly, and the liquid inlet end of the condenser communicates with the liquid outlet end of the negative pressure assembly; the control module is at least used for outputting a control signal for adjusting the negative pressure assembly according to the heating element data information collected by the data collection module. The technical problem of poor heat dissipation effect at present is solved, the boiling point of the phase change working medium and the pressure of the whole heat dissipation system are reduced, the temperature of the heating element is dynamically adjusted, and the heat dissipation efficiency and reliability are improved.

The invention discloses a computing node and a server, and relates to the technical field of servers, the computing node comprises a cold plate tray, a mainboard and a functional device, the mainboard is carried on the cold plate tray so as to dissipate heat through the cold plate tray, the functional device is fixed on the cold plate tray and is electrically connected with the mainboard, the cold plate tray is provided with a groove, and the groove is formed in the cold plate tray. The groove is located in the side, away from the main board, of the cold plate tray and used for being matched with a partition plate of the server. The cold plate tray integrates the functions of a tray and a cold plate, so that the thickness space of the computational node is saved. And the functional device is fixed on the cold plate tray and is electrically connected with the mainboard, so that the layout of the components is simplified, too tight arrangement among the components is avoided, and the blocking problem of a heat dissipation channel is reduced. The cold plate tray is provided with a groove, so that the influence of the thickness of a partition plate between the computing nodes on the height direction of the server is counteracted. Therefore, according to the computing node, the computing expansion capability and the heat dissipation efficiency are improved.

The invention discloses a cold plate type liquid cooling heat dissipation device with a cooling liquid inlet and a cooling liquid outlet on the same side. The cold plate type liquid cooling heat dissipation device comprises a cold plate cavity and a liquid cooling heat dissipation flow guide structure arranged in the cavity. The cooling liquid inlet and the cooling liquid outlet are located on the same side of the cold plate cavity, compact layout of flow channels is achieved through the design of opposite arrangement, and a stable circulating flow path is formed. According to the multi-area liquid cooling heat dissipation flow guide structure, a plurality of irregular-shaped flow guide rib columns are arranged in a staggered mode, two main heat dissipation paths similar to a C shape and a mirror image C shape and a plurality of branch flow paths are formed, and sufficient fluid disturbance and heat exchange are provided. The transition flow guide rib columns arranged at the corners enable cooling liquid to steer smoothly in the flowing process, and turbulent flow and rapid flow velocity change are avoided. According to the structural design, the cooling liquid is uniformly distributed, the heat dissipation efficiency is improved, the local overheating risk is reduced, the efficient heat dissipation performance of the device is ensured, the device is particularly suitable for heat management requirements of various high-power-density electronic equipment, and the device has the advantages of being compact in structure, high in heat dissipation efficiency, stable in flowing and the like.

The embodiment of the invention provides a server and a liquid cooling hard disk frame. The server comprises at least two cold plates which are oppositely arranged at intervals, an inlet water segregator and an outlet water segregator, cooling cavities are integrally formed in the cold plates, and cooling liquid flows in the cooling cavities; an accommodating cavity is formed between the at least two cold plates and is used for inserting a hard disk module, so that the heat of the hard disk module is transferred to the cooling liquid in the cooling cavity; the inlet end of the cooling cavity is communicated to the flow channel of the inlet water segregator, so that cooling liquid flows into the cooling cavity from the inlet water segregator; the outlet end of the cooling cavity is communicated to a flow channel of the outlet water segregator, so that cooling liquid flowing through the cooling cavity is collected through the outlet water segregator; wherein the at least two cold plates are connected between the inlet water segregator and the outlet water segregator. According to the server and the liquid-cooled hard disk frame provided by the invention, the thickness of the cold plate can be reduced, and the deployment density of the hard disk is improved while the heat dissipation efficiency is ensured.

A hybrid cooler has a first condenser block and a second condenser block. A liquid-cooled cold plate has opposed first and second external major surfaces and an internal passageway to direct a flow of coolant through the liquid-cooled cold plate to cool the opposed first and second external major surfaces. The internal passageway is fluidically coupled with the first condenser block and the second condenser block. The hybrid cooler has a first passive cold plate and a second passive cold plate, each extending from the first condenser block to the second condenser block. Each of the first passive cold plate and the second passive cold plate has a respective major surface positioned opposite the opposed first and second external major surfaces of the liquid-cooled cold plate. The liquid-cooled cold plate is positioned between the first passive cold plate and the second passive cold plate.

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 utility model provides an optical module cold plate type liquid cooling assembly and network switching equipment, and relates to the technical field of network equipment heat dissipation. The optical module cold plate type liquid cooling assembly comprises a cold plate main body which extends along a first direction and comprises a first side and a second side which are opposite to each other; the floating heat conduction blocks are connected to the first side of the cold plate body and can float in the second direction perpendicular to the first direction; the floating heat conduction blocks are arranged at intervals in the first direction and are used for making contact with the optical modules sequentially arranged in the first direction. The heat conduction pad is arranged between the cold plate main body and the floating heat conduction block and is in contact with the cold plate main body and the floating heat conduction block; and the at least one liquid cooling pipe is arranged on the second side of the cold plate main body. The optical module cold plate type liquid cooling assembly is in close contact with the optical module inserted into the connector of the network switching equipment, heat generated during operation of the optical module can be smoothly and timely led out, the heat dissipation efficiency is high, and the heat dissipation effect is good.

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.

A battery pack assembly includes a frame, a composite cold plate and at least one battery cell. The frame includes a tray and exhaust channels communicated with the outside and arranged on two opposite sides of the tray. The composite cold plate is arranged on the tray. The composite cold plate includes a flow passage plate, and a concave rib-convex rib structure is formed on the surface of the flow passage plate. A concave rib is arranged between every two adjacent convex ribs. Cold plate flow passages are defined by concave ribs and the tray, and are communicated with the exhaust channels. The battery cell is arranged on the composite cold plate. Poles of the battery cell face the composite cold plate. A first explosion-proof valve is provided on the side of the battery cell facing the composite cold plate, and is communicated with the cold plate flow passages.

The invention provides a novel open type micro-channel radiator structure and method, and belongs to the field of electronic device heat dissipation, the novel open type micro-channel radiator structure comprises a cover plate and a micro-channel cold plate, the cover plate is provided with a cover plate liquid inlet and a cover plate liquid outlet, a groove is arranged below the cover plate, a cover plate inlet liquid collection area is arranged in the groove close to the cover plate liquid inlet, and a cover plate outlet liquid collection area is arranged in the groove close to the cover plate liquid outlet. A cover plate outlet liquid collecting area is arranged in the groove close to the cover plate liquid outlet, and a cover plate reducing manifold is arranged between the cover plate inlet liquid collecting area and the cover plate outlet liquid collecting area; a concave structure corresponding to the cover plate groove is arranged above the micro-channel cold plate, the micro-channel cold plate comprises a cold plate inlet liquid collecting area and a cold plate outlet liquid collecting area, and micro-channel ribs are arranged between the cold plate inlet liquid collecting area and the cold plate outlet liquid collecting area. The invention provides a novel open type micro-channel radiator structure and a preparation method thereof, and aims at solving the problems that an existing micro-channel radiator is insufficient in heat exchange capacity and poor in flow stability, so that the heat dissipation performance of the novel open type micro-channel radiator structure is remarkably improved. And an innovative solution is provided for design and manufacturing of the micro-channel radiator.

The invention innovatively provides a spider web flow channel cold plate based on lithium battery heat dissipation, belongs to the field of battery heat management, and realizes remarkable improvement of three-dimensional heat management efficiency through topological optimization of a radial main channel and a net-shaped straight branch. Compared with a traditional straight flow channel and snake-shaped flow channel scheme, the structure effectively eliminates heat dissipation blind areas at the tail end and the edge area of the battery module through a multi-stage branch collaborative heat dissipation mechanism, and reduces energy consumption; compared with a vein flow channel, the structure adopts the net-shaped straight branch, the phenomenon that the pressure drop of the fractal tip of the vein flow channel is suddenly increased due to section shrinkage under the high-speed flow state is effectively eliminated, and the system pressure drop is reduced by 9% under the working condition of the high flow speed of 0.3 m / s; the problem that the temperature difference is increased due to the fact that laminar flow dominates and weakens the convective heat transfer coefficient when the vein flow channel is at a low speed is effectively solved, and the temperature gradient under the working condition of the low flow speed of 0.01 m / s is reduced by 22%.