221 results about "Cold plate" patented technology

The application discloses a quick-release type server liquid cooling circulation module and a locking structure thereof, relates to the technical field of servers, and comprises a server body, a liquid cooling circulation module and a mainboard. The liquid cooling circulation module is fixedly connected to the top of the server body. The liquid cooling circulation module is arranged. The thermal stress in the liquid cooling circulation module is subjected to layered elastic compensation. The dynamic adhesion stability and the heat conduction uniformity between the cold plate in the floating module and the CPU / GPU are improved. Meanwhile, the risk of interface loosening or leakage caused by temperature fluctuation and mechanical vibration is effectively inhibited. The long-term reliability and the thermal management efficiency of the system are enhanced while the quick-release convenience is ensured. The side branch mechanism is arranged. The circulation of liquid is realized through a multi-way valve and a side branch pipe. Even if the delivery channel of the liquid outlet pipe is cut off, there is still a minimum amount of coolant flowing through the cold plate in the floating module. The CPU / GPU is given valuable time for safe shutdown or switching to a backup path, and thermal runaway is fundamentally avoided.

This application discloses a cooling distribution unit replenishment device and a cold plate liquid cooling system, belonging to the technical field of liquid cooling devices. The disclosed cold plate liquid cooling system includes a cooling distribution unit replenishment device. The cooling distribution unit includes a replenishment container and a secondary side pipeline connected in series. The replenishment device includes: a storage container for storing heat exchange liquid; a replenisher including a pumping mechanism, the inlet end of which is connected to the storage container; a delivery pipeline connected to the outlet end of the pumping mechanism; and a pipeline assembly including a first delivery branch and a second delivery branch. One end of the first delivery branch is connected to the delivery pipeline, and the other end is connected to the replenishment container. One end of the second delivery branch is connected to the delivery pipeline, and the other end is connected to the secondary side pipeline. Using this replenishment device, replenishment of the secondary side pipeline can be achieved with minimal manual intervention, thus significantly saving manpower.

This utility model relates to a water-cooling testing device, disclosing a passive water-cooled plate and a water-cooling testing device for passive thermal cycling testing of IGBT devices. It includes a passive water-cooled plate body, which comprises a water-cooled plate flow channel layer and a water-cooled plate heating layer. The flow channel layer of the water-cooled plate has a first guide cavity and a second guide cavity. An S-shaped first guide plate unit is placed in the first guide cavity, and an S-shaped second guide plate unit is placed in the second guide cavity. This utility model forms two independent but interconnected circulation loops by setting the S-shaped guide plate units. This design increases the water channel length, prolongs the contact time between the coolant and the hot and cold plates, and improves heat exchange efficiency. At the same time, the S-shaped structure makes the coolant distribution more uniform inside the hot and cold plates, effectively avoiding the problem of localized overheating.

The application provides a composite heat dissipation controller power module, which comprises a shell, a power module, a cold plate, a cover and a control board group, a capacitor core is packaged in the shell; the power module is sealingly connected with the shell and forms a first cooling cavity; the cold plate has a first packaging surface and a second packaging surface on opposite sides, a second cooling cavity is formed in the cold plate and an opening is formed on the first packaging surface and the second packaging surface respectively, the power module is sealingly connected with the second packaging surface to close the opening of the second packaging surface; the cover is sealingly connected with the first packaging surface and forms a third cooling cavity which is connected with the second cooling cavity; the control board group is connected with the first packaging surface in the third cooling cavity and corresponds to the opening of the first packaging surface; the application adopts a water cooling and oil cooling combined cooling mode, which can improve the cooling effect of the power module and the control board group, reduce the risk of local high temperature of the power module, and ensure the stability and reliability of the power module operation.

The application discloses a control method, device and equipment of a cold plate liquid cooling system, to improve the energy efficiency of the cold plate liquid cooling system. The cold plate liquid cooling system at least includes a heat exchanger, a liquid storage tank, a pump and a cold plate arranged inside at least one server. The method includes: acquiring the chip temperature inside the at least one server; and in a case where it is determined that the chip temperature inside the server is greater than the maximum value of a preset temperature range, the frequency of the pump is controlled to be increased.

The application discloses an intelligent string type network type energy storage device. The device comprises a protective shell and an internal storage battery. The protective shell is fixed with a cold plate that is attached to the storage battery. The cold plate is connected to a liquid inlet pipe and a cooling liquid delivery pipeline. The cooling liquid delivery pipeline is provided with a second delivery pipe, the end of which is provided with a bellows type elastic expansion section. The pipe end is connected to a locking assembly, which is slidingly installed on a sliding guide rail. The flow of the cooling liquid generates hydraulic pressure, which drives the bellows type elastic expansion section to axially extend, and drives the locking assembly to be clamped into a storage battery lock groove to complete surface contact locking. A first limiting elastic member is arranged between the locking assembly and the protective shell. When the hydraulic pressure disappears, the elastic member is reset by elastic force, which drives the locking assembly to slide reversely to complete unlocking. The device uses the hydraulic pressure of the cooling liquid to achieve battery linkage locking. The structure is designed ingeniously, and the locking and unlocking actions are automatically completed. The device is suitable for the actual use conditions of the energy storage equipment, and has better overall operation stability and practicality.

This application relates to a disassembly fixture for a cold plate module, including a connecting bracket. The connecting bracket includes a main body and a connecting part, which is connected to the main body and is used to connect multiple cold plates into a whole cold plate module. The main body and the connecting part cooperate to form a clearance space. In use, the connecting bracket is placed on the cold plate module, and the connecting part connects to the cold plate module, thereby forming a whole frame for the originally loose cold plate module. In this way, during the disassembly of the cold plate module, the cold plate module can be lifted or placed as a whole, which facilitates the precise alignment between the cold plate module and the heat-generating device; during packaging or transportation, the disassembly fixture can effectively fix the cold plate module and prevent the multiple cold plates in the cold plate module from colliding with each other or being damaged. By providing clearance space in the connecting bracket, the disassembly fixture can effectively avoid the connector of the cold plate module when installed on the cold plate module, and the fixture can be fixed without removing or modifying the existing structure of the cold plate module.

The utility model provides a cold plate of the base structure of the even temperature plate for high -power consumption chip heat dissipation, including cold plate lower cover, cold plate spade tooth bottom board and cold plate upper cover, wherein, cold plate lower cover is opposite with high -power consumption chip, cold plate lower cover is away from high -power consumption chip one end with cold plate spade tooth bottom board fixed connection, cold plate spade tooth bottom board is away from cold plate lower cover one end with cold plate upper cover fixed connection, and cold plate spade tooth bottom board is equipped with cold plate spade tooth fin, the utility model discloses a cold plate of the base structure of the even temperature plate for high -power consumption chip heat dissipation, utilizes the base structure of even temperature plate to replace pure copper base plate and is more applicable to high -power consumption high heat flux density's chip to high -power consumption chip surface even temperature nature is better, in addition directly takes cold plate spade tooth bottom board as even temperature plate upper cover, has saved traditional even temperature plate upper cover and the thermal resistance of soldering tin cream, has reduced the thermal resistance of whole heat transfer path, has improved heat transfer efficiency.

The utility model relates to electronic equipment thermal management technical field, concretely relates to a kind of liquid cooling server cabinet multidirectional uniform temperature shunt mechanism. Its U-shaped pipe is set up in ascending section and descending section, ascending section is connected with first outlet end, descending section is connected with second inlet end, branch short pipe is set up in the vertex of U-shaped pipe, through the setting of ascending section and descending section of U-shaped pipe, again through the use of branch short pipe cooperation, cooling liquid can be based on gravity and fluid pressure multidirectional shunt, this design utilizes fluid natural flow characteristics, reduces the dependence on pump, simultaneously through the first outlet end of high heat flow cold plate and ascending section intercommunication, the second outlet end of low heat flow cold plate is connected with first inlet end by water pipe, and the water pipe between high heat flow cold plate and low heat flow cold plate forms dynamic circulation path, make the supply of local area flow sufficient, and then reduce the problem that mechanism temperature difference expands, to guarantee the normal use of server.

This invention discloses a two-phase liquid cooling system combining a drawer-type integrated structure with a flexible cold plate, relating to the fields of thermal management and two-phase liquid cooling technology. It includes a microchannel plate module, in which an internal microchannel network is etched into the flexible cold plate, followed by microchannel processing and surface treatment to generate a microchannel flexible cold plate; a liquid path connection module, which connects the assembled cold plate assembly to the inlet and outlet pipes of the two-phase coolant and includes a liquid path monitor to obtain a liquid path cold plate assembly; and a flow rate balancing module, which, based on the liquid path monitoring data, adjusts the flow rate and local pressure of the two-phase coolant in each microchannel in real time to obtain a balanced cold plate assembly. By embedding the microchannel flexible cold plate into the drawer-type support structure and pressing it tightly together, the system achieves both efficient heat conduction and close contact while maintaining the flexibility of being removable and replaceable, significantly improving assembly reliability and heat exchange efficiency.

The application discloses a cold plate device and a battery pack, comprising a cold plate body, the cold plate body is provided with a flow channel area, a sealing area and a pressure relief area, the sealing area is used for sealing the flow channel area, the flow channel area is used for containing a heat exchange medium, and the pressure relief area is used for being correspondingly arranged with an explosion-proof valve of a cylindrical battery; the pressure relief area comprises a pressure relief hole and a thinning area located outside the pressure relief hole, and a projection of an outer edge of the thinning area on a bottom surface of the cylindrical battery can surround the explosion-proof valve. The pressure relief area is composed of the pressure relief hole and the thinning area, so that the area of the pressure relief hole can be reduced, and the sealing connection strength of the edge of the flow channel area can be prevented from being affected due to the excessively large area of the pressure relief hole. The thinning area is weak in strength, when the explosion-proof valve of the cylindrical battery is opened for pressure relief, the explosion-proof valve and high-pressure gas sprayed out can easily damage the thinning area, so that the thinning area is collapsed, and it is ensured that the high-pressure gas in the cylindrical battery can be relieved through the cold plate device.

An intelligent sensing and control method and apparatus for a converter cooling system. The method comprises: acquiring a real-time inlet-outlet coolant temperature difference of a modular cold plate, and a total flow rate; acquiring a water pump heat generation rate according to an operating curve of a water pump; acquiring total heat generated by a primary cooling unit according to the inlet-outlet coolant temperature difference, the total flow rate, and the water pump heat generation rate; acquiring an inlet–outlet temperature difference of an air cooling medium of a heat exchanger; acquiring an operating coefficient of a fan according to an operating state of the fan; acquiring a heat transfer coefficient of a secondary cooling unit according to the total heat generated, the inlet–outlet temperature difference of the air cooling medium, and the operating coefficient; and adjusting the fan according to the heat transfer coefficient. The method accurately monitors converter cooling systems in terms of real-time heat transfer capability and heat transfer coefficient changes, effectively guiding routine inspection, maintenance and operational use such as filter cleaning and fan control strategies, and significantly decreasing the likelihood of over-temperature fault events. The system has the same beneficial effect.

The application relates to a new energy automobile "three-electricity" thermal control system based on a loop heat pipe in the technical field of new energy automobile thermal management, which comprises three-electricity components and a loop heat pipe; the three-electricity components comprise an electric drive, an electric control and a battery pack; the loop heat pipe comprises an evaporator assembly, a main condenser, a secondary condenser, a cold plate assembly, a pipeline system and a stop valve; the cold plate assembly comprises an electric control cold plate group and a battery pack cold plate group. The loop heat pipe in the application forms a self-adapting passive phase change heat transfer two-phase fluid loop in the three-electricity components, does not need to provide additional power consumption by a pump, has better energy-saving effect, only needs to control the temperature of a liquid accumulator, and has simple control logic; the system thermal resistance is small, and the temperature uniformity can be guaranteed to be within 1 DEG C.

Embodiments herein provide for fluidic cooling assemblies embedded within a device package and related manufacturing methods. In one embodiment, the integrated cooling assembly includes a semiconductor device and a cold plate attached to the semiconductor device. The cold plate has a perimeter sidewall, a top portion and pairs of opposing cavity sidewalls. The perimeter sidewall extends downwardly from the top portion to a backside of the semiconductor device to define a perimeter of the cold plate. Each pair of opposing cavity sidewalls extends downwardly from the top portion towards the backside of the semiconductor device to define a coolant chamber volume therebetween. A distance between each pair of opposing cavity sidewalls in a direction parallel with the backside of the semiconductor device defines a width of a corresponding coolant chamber volume and a spacing between adjacent coolant chamber volumes, wherein the ratio of width to spacing is about 1:1.

The utility model relates to a phase change type chip radiator, which belongs to the technical field of heat radiation, and comprises a cover plate, the cover plate is provided with a heat exchange cavity groove and a pair of cover plate through holes communicated with the heat exchange cavity groove, and the periphery of the heat exchange cavity groove is provided with a cold plate positioning groove; the heat dissipation cold plate abuts against the cold plate positioning groove, a heat exchange cavity is formed by the space between the heat dissipation cold plate and the heat exchange cavity groove, and a heat dissipation enhancing structure is arranged on the side wall, located in the heat exchange cavity, of the heat dissipation cold plate; and the pair of joints is respectively connected with the pair of cover plate through holes and is used for connecting the heat exchange cavity with an external circulating pipeline. According to the utility model, the heat radiator cover plate can be connected with the heat radiation cold plate and the chip substrate at the same time, so that the plane fitting degree of the bottom surface of the heat radiation cold plate and the chip integrated heat radiation top cover can be improved; the heat dissipation enhancing structure can effectively enhance the heat exchange process and improve the heat transfer coefficient of the heat dissipation device.

A heat dissipation assembly is configured to be thermally coupled to a first heat source and a second heat source which has a thermal design power greater than a thermal design power of the first heat source. The heat dissipation assembly includes a heat exchanger and a cold plate. The heat exchanger is configured to be thermally coupled to the first heat source and receive a coolant, such that the coolant absorbs heat generated by the first heat source so as to have temperature increase. The cold plate is configured to be thermally coupled to the second heat source, and the cold plate is in fluid communication with the heat exchanger for receiving the coolant from the heat exchanger, such that the coolant absorbs heat generated by the second heat source so as to vaporize.

Embodiments of the present disclosure provide a cooling device. The cooling device comprises a first cold plate, second cold plates, and a connecting pipe. The second cold plates are spaced apart from the first cold plate, so that an accommodating space is formed therebetween, and the first cold plate and the second cold plates are in fluid communication by means of the connecting pipe. The cooling device in the embodiments of the present disclosure has a strong cooling capacity.

The present invention provides a server unit and server rack that can improve cooling efficiency. [Solution] The server unit comprises a casing in which a heating element is housed and a first refrigerant is stored so as to immerse the heating element; a cold plate positioned within the casing in contact with the heating element; a supply line for supplying a second refrigerant into the cold plate from outside the casing; and a discharge line for discharging the second refrigerant from the cold plate to the outside of the casing.

This utility model discloses a lifting synchronization assembly for a quick-freezing machine and the quick-freezing machine itself, relating to the technical field of refrigeration equipment. The lifting synchronization assembly includes a rack assembly and a guide assembly. The rack assembly includes a first guide rack and a second guide rack, both arranged along the lifting direction of the cold plate of the quick-freezing machine. The guide assembly includes a drive shaft, a first connecting assembly, and a second connecting assembly. A first gear meshing with the first guide rack is rotatably connected to the first connecting assembly, and a second gear meshing with the second guide rack is rotatably connected to the second connecting assembly. The first connecting assembly is used to connect to a first end of the cold plate, and the second connecting assembly is used to connect to a second end of the cold plate. The drive shaft is connected to the first and second gears, causing the first and second connecting assemblies to move synchronously relative to the rack assembly, thereby causing the first and second ends of the cold plate to move synchronously, reducing the risk of jamming or tilting of the cold plate during lifting.

This application provides a computing device and a cold plate. The computing device includes a circuit board, a processor, a support portion, and a cold plate. The support portion is fixed to the circuit board and surrounds the processor. The thickness of the support portion is greater than the thickness of the processor. The cold plate includes a main body and a protrusion. The main body includes a first bottom wall and a first peripheral wall, which enclose a first receiving cavity. The protrusion is connected to the surface of the first bottom wall facing away from the first receiving cavity. The protrusion encloses a second receiving cavity, which communicates with the first receiving cavity. The first and second receiving cavities are used to receive coolant. The surface of the protrusion facing away from the main body contacts the heat dissipation surface of the processor, exchanging heat with the processor. The heat dissipation surface is the surface of the processor facing away from the circuit board. This application's embodiment can shorten the heat transfer path, facilitating processor heat dissipation.

The application relates to a low-cost deep-hole cold plate design method based on spiral reinforced heat dissipation, and the cold plate comprises a cold plate main body, a spiral disturbance device, a first plug cover, a second plug cover, an interconnection plug cover and an internal baffle; the cold plate main body is internally provided with a deep-hole flow channel; one end of the cold plate is provided with the first plug cover and the second plug cover, and the other end is provided with the second plug cover and the interconnection plug cover, so that the two flow channels are interconnected; the inner side of the interconnection plug cover is provided with the internal baffle; the plug cover and the baffle realize the serpentine interconnection of fluid in the cold plate; and the spiral disturbance device is arranged in the flow channel. According to the application, the spiral disturbance device is assembled in the flow channel, three-dimensional fluid organization in the cold plate flow channel space and the improvement of the heat dissipation area are realized, and the heat dissipation efficiency is greatly improved. The conventional processing and manufacturing means can be used to design a series of heat dissipation cold plates according to different heat dissipation requirements, so that the heat dissipation efficiency is improved, and the design and manufacturing costs are reduced.

A cryogenic tensile tester, according to one embodiment of the present invention, for performing a tensile test of a specimen in a cryogenic environment may comprise: a first chamber having a viewport formed at one side thereof; a fixing part which is disposed inside the first chamber, and which fixes the specimen; a cryogenic freezer having a displacer connected by passing through the first chamber, and cooling the specimen by means of a cold head; a cold plate in contact with the cold head so as to receive the heat of the cryogenic freezer; a flexible cable part which is formed of a metal lead wire, and which has one end connected to the cold plate and the other end connected to the fixing part so as to transfer the heat of the cryogenic freezer to the specimen; and a tensile tester for performing the specimen tensile test by using the fixing part.

This document discloses a hybrid cooling device, comprising a first coolant, a radiator, a cold plate including a hollow body to receive the first coolant, a closed-loop piping connecting the radiator and the cold plate to circulate the first coolant therebetween, and a main heat sink. The main heat sink is thermally coupled to the outer surface of the cold plate to absorb heat from the cold plate and dissipate it into the ambient air. The hybrid cooling device also includes an auxiliary heat sink, a plurality of heat pipes extending from the cold plate to the auxiliary heat sink, and a second coolant. The second coolant is sealed within each of the plurality of heat pipes to transfer heat from a first end section to a second end section of the heat pipe via phase change heat transfer.

This invention relates to the field of cold plate technology, and more particularly to a multi-layer honeycomb structure jet cold plate, comprising a cover plate, a jet plate, and a base plate. The bottom end of the cover plate is fixedly connected to an upper cold plate, and the bottom end of the upper cold plate is fixedly connected to the jet plate. Multiple jet tubes are inserted in the jet plate, and a lower cold plate is fixedly connected to the bottom end of the jet plate. The bottom end of the lower cold plate is fixedly connected to the base plate. Multiple honeycomb holes are formed in the upper cold plate, and guide holes are formed on the sidewalls of the honeycomb holes. The upper end of the jet tubes is connected to the honeycomb holes in the upper cold plate, and the lower end of the jet tubes penetrates the jet plate and extends into the interior of the lower cold plate. In this invention, the device adopts a multi-layer honeycomb structure design, which, while taking into account lightweight design, constructs a multi-layer distributed channel to achieve uniform distribution of the cooling working fluid. By combining transverse flow guidance with longitudinal jet impact composite heat exchange, the problem of temperature distribution imbalance caused by uneven flow in traditional flow channels is solved.

This utility model provides a testing fixture for a direct-cooling and direct-heating battery pack cold plate, belonging to the field of new energy batteries. The fixture includes a cooling and heating device and a cold plate under test. The cooling and heating device is mounted on the cold plate. Multiple temperature sensors and multiple flow channels are arranged at the bottom of the cold plate, with the temperature sensors positioned between the flow channels. The cooling and heating device includes a semiconductor group, a first metal conductor, and a second metal conductor. The semiconductor group includes N-type semiconductors and P-type semiconductors. The first metal conductor is located on top of the semiconductor group and connects the N-type and P-type semiconductors. The second metal conductor is located at the bottom of the N-type and P-type semiconductors and connects either the N-type or P-type semiconductor to an external power source. Using the direct-cooling and direct-heating battery pack cold plate testing fixture provided by this utility model can solve the problems of complex operation and low testing efficiency in existing technologies.

1. Name of the product in this design: Cold plate type switch. 2. Purpose of this design: For forwarding and transmitting data. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This invention discloses a direct cooling system and its refrigerant dryness control method, device, and storage medium. The direct cooling system includes a regenerator, a main valve, a regenerative heat control valve, and an indoor unit module. The number of cold plate branches in the indoor unit module corresponds to the number of battery cell modules. Each cold plate branch includes a branch cold plate and a branch control valve. The method includes: obtaining the gaseous specific enthalpy and liquid specific enthalpy of the refrigerant at saturated evaporation pressure, and obtaining the refrigerant specific enthalpy at the evaporation side outlet of each cold plate branch; further, obtaining the actual refrigerant dryness of each cold plate branch; and, when the current operating condition is refrigeration, the refrigerant at the regenerator inlet side is subcooled. Based on the actual refrigerant dryness of each cold plate branch, the branch control valve of each cold plate branch is controlled separately to adjust the refrigerant flow rate of each cold plate branch. This simplifies the refrigerant dryness control parameters, achieves refrigerant dryness control of the direct cooling system, and thus achieves temperature uniformity control of the battery cell modules.

The present application relates to a kind of control wide thin gauge 304 stainless steel rolling bias method, belong to reversible cold rolling technical field, solve the problem of roll system bias in the reversible cold rolling process of wide thin gauge 304 stainless steel, the present application proposes the control method of wide thin gauge 304 stainless steel rolling bias problem, this method involves pass and deformation rate control, rolling tension parameter control, and three aspects of shape control, strong system and practicality.After using the control method provided by the present application, the bias incidence rate is reduced from previous 10% to 0.5% or less, significantly improve the stability of stainless steel wide thin gauge cold plate rolling.

The application relates to a jet micro-channel cold plate, which comprises a cover plate, a jet plate, a fin assembly and a base plate connected in sequence, the fin assembly comprises a plurality of heat dissipation fins arranged along a first direction; the cover plate is provided with a first liquid inlet hole and a first liquid outlet hole, a liquid collecting groove is arranged on the side of the cover plate close to the jet plate, and the liquid collecting groove is communicated with the first liquid inlet hole; the jet plate is provided with a jet slit communicated with the liquid collecting groove and a plurality of jet holes communicated with the liquid collecting groove, the length direction of the jet slit is parallel to the first direction, the jet plate is further provided with a second liquid outlet hole communicated with the first liquid outlet hole, and the cooling liquid discharged through the fin assembly can be discharged from the second liquid outlet hole. The jet slit and the jet hole cooperate with each other to expand the action range of the jet plate, the local high strength and the global uniformity are considered at the same time, and the heat dissipation efficiency is improved. Moreover, the length direction of the jet slit is parallel to the first direction, thereby ensuring that the cooling liquid flows through the whole area of the heat dissipation fin, and the heat dissipation area of the jet micro-channel cold plate is enhanced.