Multifunctional liquid cooling plate for energy storage liquid cooling

Abstract

The utility model discloses a multifunctional liquid cooling plate used for energy storage liquid cooling, comprising a flow channel plate, an upper cover plate and a connector, the flow channel plate is detachably connected with the upper cover plate, one end face of the flow channel plate facing the upper cover plate is provided with a first liquid cooling flow channel, and the first liquid cooling flow channel is provided with a second liquid cooling flow channel. A second liquid cooling flow channel corresponding to the first liquid cooling flow channel is arranged on one end face, facing the flow channel plate, of the upper cover plate, and the first liquid cooling flow channel and the second liquid cooling flow channel form a sealed liquid cooling flow cavity; and the connector is a double-joint connector and is used for connecting the liquid cooling flow cavity with an external electronic element. According to the liquid cooling plate, the second liquid cooling flow channel is arranged on the upper cover plate, so that the liquid cooling flow cavity is enlarged, the liquid cooling flow is increased, and meanwhile, the double-joint connector is arranged, so that a fluid medium in the liquid cooling plate can be conveniently detected.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid cooling plates, and particularly relates to a multifunctional liquid cooling plate for energy storage liquid cooling. Background Art

[0002] A liquid cooling plate is a component for heat dissipation, and is usually used in applications with high heat loads such as electronic devices, servers, and automotive batteries. The liquid cooling plate absorbs and transfers heat through the flow of liquid, thereby achieving efficient thermal management.

[0003] Existing liquid cooling plates are usually integrally formed by welding and are not detachable. After being assembled into one body, it is impossible to detect whether impurities are attached to the internal structure due to corrosion, resulting in the inability to remove them in time. Over time, the inside of the liquid cooling plate becomes blocked, which is not conducive to maintenance and disassembly. In addition, there is a large error between the design and production of the liquid cooling plate, and the design of the connecting pipe is relatively single, which cannot meet the required flow rate and thermal resistance of the flow channel. Summary of the Utility Model

[0004] In view of this, the purpose of the utility model is to overcome the problems existing in the prior art, and provide a multifunctional liquid cooling plate for energy storage liquid cooling. The liquid cooling plate increases the channel of the liquid cooling flow cavity by setting a first liquid cooling flow channel and a second liquid cooling flow channel, and reduces the flow resistance of the liquid cooling medium. By setting a double-joint connector, the liquid cooling plate can achieve synchronous refrigeration and detection.

[0005] To achieve the above technical purpose and reach the above technical effect, the utility model is realized through the following technical solutions:

[0006] A multifunctional liquid cooling plate for energy storage liquid cooling includes a flow channel plate, an upper cover plate, and a connector. The flow channel plate is detachably connected to the upper cover plate. One end face of the flow channel plate facing the upper cover plate is provided with a first liquid cooling flow channel, and one end face of the upper cover plate facing the flow channel plate is provided with a second liquid cooling flow channel corresponding to the first liquid cooling flow channel. The first liquid cooling flow channel and the second liquid cooling flow channel form a sealed liquid cooling flow cavity. The connector is a double-joint connector, and the connector is used to connect the liquid cooling flow cavity to an external electronic component.

[0007] Further, the upper cover plate further includes a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are respectively arranged at both ends of the second liquid cooling flow channel. The number of the connectors is two, and the two connectors are respectively connected to the liquid inlet and the liquid outlet.

[0008] Further, the connector includes a first connection head, a second connection head, and a plug-in part. The first connection head and the plug-in part are respectively arranged at both ends of the connector, and the first connection head and the plug-in part are connected by the second connection head. The first connection head and the second connection head are both used to connect to an external electronic component, and the plug-in part is used to connect to the liquid inlet or the liquid outlet.

[0009] Further, one end face of the flow channel plate facing the upper cover plate is provided with a first fluid chamber. The first fluid chamber includes a first fluid chamber wall facing the upper cover plate. A plurality of spaced apart partition bars are provided in the first fluid chamber, and a first liquid cooling channel is formed in the first fluid chamber; one end face of the upper cover plate facing the flow channel plate is provided with a second fluid chamber. The second fluid chamber includes a second fluid chamber wall facing the flow channel plate, and a second liquid cooling channel is formed in the second fluid chamber.

[0010] Further, the first liquid cooling channel includes a plurality of first branch channels arranged in parallel. The first branch channels communicate end to end with each other, and partition bars are provided between adjacent first branch channels; the second liquid cooling channel includes a plurality of second branch channels arranged in parallel, and the second branch channels communicate end to end with each other.

[0011] Further, the flow channel plate and the upper cover plate are both provided with a plurality of threaded holes, and bolts sequentially pass through the corresponding threaded holes of the flow channel plate and the upper cover plate so that the flow channel plate and the upper cover plate are detachably connected.

[0012] Further, the liquid cooling plate further includes a sealing ring, and the sealing ring is arranged between the flow channel plate and the upper cover plate.

[0013] Further, the first connector is a CQC interface, and the second connector is a threaded interface.

[0014] Further, both the flow channel plate and the upper cover plate are made of aluminum alloy, and the sealing ring is made of EPDM.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] By providing the first liquid cooling channel and the second liquid cooling channel, the present utility model increases the channels of the liquid cooling flow cavity, increases the flow rate of the liquid cooling medium, and improves the heat transfer efficiency of the liquid cooling plate; by providing a connector with double connectors, synchronous refrigeration and detection of the liquid cooling plate are achieved, which can not only ensure the sealing performance of the liquid cooling plate but also realize the convenience of quick installation and disassembly. Description of the Drawings

[0017] Figure 1 is the overall structural schematic diagram of the liquid cooling plate in the present utility model;

[0018] Figure 2 is the exploded view of the liquid cooling plate in the present utility model;

[0019] Figure 3 is the cross-sectional view of the liquid cooling plate in the present utility model;

[0020] Figure 4 is the structural schematic diagram of the flow channel plate in the present utility model;

[0021] Figure 5 is Figure 4 an enlarged view of A in

[0022] Figure 6 a schematic structural view of the upper cover plate in the present utility model;

[0023] Figure 7 is Figure 6 an enlarged view of B in

[0024] Figure 8 a schematic structural view of the connector in the present utility model;

[0025] Figure 9 a schematic structural view of the sealing ring in the present utility model.

[0026] Reference numerals are: 1 - flow channel plate, 11 - first liquid cooling channel, 12 - first fluid cavity wall, 13 - partition strip, 14 - first branch channel, 2 - upper cover plate, 21 - second liquid cooling channel, 22 - liquid inlet, 23 - liquid outlet, 24 - second branch channel, 3 - connector, 31 - first connector, 32 - second connector, 33 - insertion part, 4 - liquid cooling cavity, 5 - threaded hole, 6 - bolt and 7 - sealing ring. Specific Embodiment

[0027] For the convenience of understanding by those skilled in the art, the present utility model will be further described below in conjunction with embodiments and the accompanying drawings. The content mentioned in the embodiments does not limit the present utility model.

[0028] Embodiment

[0029] As Figures 1-9 shown, this embodiment discloses a multifunctional liquid cooling plate for energy storage liquid cooling, including a flow channel plate 1, an upper cover plate 2 and a connector 3. The flow channel plate 1 is detachably connected to the upper cover plate 2. One end face of the flow channel plate 1 facing the upper cover plate 2 is provided with a first liquid cooling channel 11, and one end face of the upper cover plate 2 facing the flow channel plate 1 is provided with a second liquid cooling channel 21 corresponding to the first liquid cooling channel 11. The first liquid cooling channel 11 and the second liquid cooling channel 21 form a sealed liquid cooling cavity 4. The connector 3 is a double-joint connector, and the connector 3 is used to connect the liquid cooling cavity 4 with external electronic components. By providing the first liquid cooling channel 11 and the second liquid cooling channel 21, the cavity of the liquid cooling cavity 4 is increased, the flow rate of the liquid cooling medium is increased, and the heat transfer efficiency of the liquid cooling plate is improved. By providing a double-joint connector 3, when the liquid cooling plate is refrigerated, the detection element can be connected to the liquid cooling cavity 4 through the double joints of the connector 3, and the liquid cooling medium inside the liquid cooling cavity 4 can be detected while the liquid cooling plate is refrigerated, realizing synchronous refrigeration and detection of the liquid cooling plate.

[0030] Further, the upper cover plate 2 further includes a liquid inlet 22 and a liquid outlet 23, the liquid inlet 22 and the liquid outlet 23 are respectively arranged at two ends of the second liquid cooling channel 21, the number of the connectors 3 is two, and the two connectors 3 are respectively connected to the liquid inlet 22 and the liquid outlet 23.

[0031] Further, the connector 3 includes a first connector head 31, a second connector head 32 and a plug-in portion 33, the first connector head 31 and the plug-in portion 33 are respectively arranged at two ends of the connector 3, and the first connector head 31 and the plug-in portion 33 are connected by the second connector head 32; both the first connector head 31 and the second connector head 32 are used for connecting with external electronic components, and the plug-in portion 33 is used for connecting with the liquid inlet 22 or the liquid outlet 23. Through the above arrangement, when the plug-in portions 33 of the two connectors 3 are respectively connected to the liquid inlet 22 and the liquid outlet 23, the external electronic components can be connected through the first connector head 31 or the second connector head 32, so as to realize synchronous refrigeration and detection of the liquid cooling plate.

[0032] Further, one end surface of the flow channel plate 1 facing the upper cover plate 2 is provided with a first fluid chamber, the first fluid chamber includes a first fluid chamber wall 12 facing the upper cover plate 2, and a plurality of spaced partition strips 13 are arranged in the first fluid chamber, and a first liquid cooling channel 11 is formed in the first fluid chamber; one end surface of the upper cover plate 2 facing the flow channel plate 1 is provided with a second fluid chamber, and the second fluid chamber includes a second fluid chamber wall facing the flow channel plate, and a second liquid cooling channel 21 is formed in the second fluid chamber. Through the above arrangement, the channel of the liquid cooling flow cavity 4 is increased, the flow resistance of the liquid cooling medium is reduced, the liquid cooling plate can be applied to various occasions, and the practicability of the liquid cooling plate is improved.

[0033] Further, the first liquid cooling channel 11 includes a plurality of first branch channels 14 arranged in parallel, the plurality of first branch channels 14 communicate with each other end to end, and partition strips are arranged between adjacent first branch channels 13; the second liquid cooling channel 21 includes a plurality of second branch channels 24 arranged in parallel, and the plurality of second branch channels 24 communicate with each other end to end. The widths of the plurality of first branch channels 14 and the second branch channels 24 are the same, so as to ensure the flow uniformity of the liquid cooling medium.

[0034] Further, the flow channel plate 1 and the upper cover plate 2 are both provided with a plurality of threaded holes 5, and bolts 6 sequentially pass through the corresponding threaded holes 5 of the flow channel plate 1 and the upper cover plate 2, so that the flow channel plate 1 and the upper cover plate 2 are detachably connected. By providing the threaded holes 5 and the bolts 6, the flow channel plate 1 and the upper cover plate 2 are detachable, which is convenient for disassembling and installing the liquid cooling plate, convenient for timely detecting the corrosion condition inside the liquid cooling flow cavity 4, can effectively prevent the situation that the liquid cooling flow cavity 4 is blocked by internal corrosion impurities, improves the later maintenance of the liquid cooling plate, and prolongs the service life of the liquid cooling plate.

[0035] Furthermore, the first connector 31 is a CQC interface, and the second connector 32 is a threaded interface. The first connector 31 is a CQC quick-connect and quick-disconnect interface, and the second connector 32 is a national standard G1 / 2 threaded interface, so as to realize the interchange of different interfaces and enable the liquid cooling plate to perform refrigeration and detection synchronously.

[0036] Furthermore, the liquid cooling plate further includes a sealing ring 7, and the sealing ring 7 is arranged between the flow channel plate 1 and the upper cover plate 2. The groove 25 is correspondingly arranged with the liquid cooling flow cavity 4. By clamping the sealing ring 7 in the groove 25, the liquid cooling flow cavity 4 can be completely sealed to prevent the liquid cooling medium from leaking from the liquid cooling flow cavity 4.

[0037] Furthermore, both the flow channel plate 1 and the upper cover plate 2 are made of aluminum alloy, such as 3003 aluminum alloy, and the sealing ring 7 is made of EPDM. Aluminum alloy has good thermal conductivity. Using aluminum alloy for the flow channel plate 1 and the upper cover plate 2 can ensure good heat transfer efficiency and avoid the corrosion of the liquid cooling plate caused by chemical reactions of the liquid cooling medium; EPDM has good aging resistance and corrosion resistance. Using EPDM for the sealing ring 7 can ensure good sealing performance.

[0038] The installation process of the liquid cooling plate in this embodiment is as follows: First, pass the bolts 6 through the threaded holes 5 of the flow channel plate 1 and the upper cover plate 2 and lock them one by one, and then fix the two connectors 3 to the liquid inlet 22 and the liquid outlet 23 respectively by welding to complete the installation.

[0039] Perform airtightness test, high-temperature resistance test, low-temperature resistance test, thermal cycling test and salt spray test on the installed liquid cooling plate respectively. The test results are as follows:

[0040] Airtightness test: Dry inspection leakage rate < 2.37 mL / min.

[0041] High-temperature resistance test: After the test, the sample has no damage and appearance deformation, and the antifreeze is drained within 10 minutes. Compressed air with a gauge pressure of 2.5 bar is introduced into the liquid cooling plate, and the pressure holding time is 60 s. Check the gas leakage rate. The leakage rate is 2.01 mL / min; (meeting the requirement 2.37 < mL / min)

[0042] Low-temperature resistance test: After the test, the sample has no damage and appearance deformation, and the antifreeze is drained within 10 minutes. Compressed air with a gauge pressure of 2.5 bar is introduced into the liquid cooling plate, and the pressure holding time is 60 s. Check the gas leakage rate. The leakage rate is 1.59 mL / min. (meeting the requirement 2.37 < mL / min)

[0043] Thermal cycling test: After the test, the sample has no damage and appearance deformation, and the antifreeze is emptied within 10 minutes. Compressed air with a gauge pressure of 2.5 bar is introduced into the liquid cooling plate, and the pressure holding time is 60 s. Check the gas leakage rate. The leakage rate is 1.81 mL / min. (Meeting the requirement 2.37 < mL / min)

[0044] Salt spray test: After the test, the surface of the liquid cooling plate has no blisters, no wrinkles, slight color change and loss of gloss are allowed, and insulation is satisfied; there are no obvious rust spots or corrosion on the surface of the liquid cooling plate, the liquid cooling plate can work normally, and there is no loss in electrical performance. There is no damage and appearance deformation. Compressed air with a gauge pressure of 2.5 bar is introduced into the liquid cooling plate, and the pressure holding time is 60 s. Check the gas leakage rate. The leakage rate is 1.72 mL / min. (Meeting the requirement 2.37 < mL / min)

[0045] The above has introduced the technical solutions provided by the embodiments of the present invention in detail. Specific examples are used in this article to elaborate on the principles and implementation manners of the embodiments of the present invention. The descriptions of the above embodiments are only applicable to helping understand the principles of the embodiments of the present invention; at the same time, for those of ordinary skill in the art, according to the embodiments of the present invention, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A multifunctional liquid cooling plate for energy storage liquid cooling, characterized in that: It includes a flow channel plate, an upper cover plate and a connector. The flow channel plate and the upper cover plate are detachably connected. The flow channel plate is provided with a first liquid cooling flow channel on one end surface facing the upper cover plate. The upper cover plate is provided with a second liquid cooling flow channel corresponding to the first liquid cooling flow channel on one end surface facing the flow channel plate. The first liquid cooling flow channel and the second liquid cooling flow channel form a sealed liquid cooling flow cavity. The connector is a double-joint connector, which is used to connect the liquid cooling flow cavity with external electronic components.

2. A multifunctional liquid cooling plate for energy storage liquid cooling according to claim 1, characterized in that: The upper cover plate also includes a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are respectively arranged at two ends of the second liquid cooling channel; the number of the connectors is two, and the two connectors are respectively connected to the liquid inlet and the liquid outlet.

3. A multifunctional liquid cooling plate for energy storage liquid cooling according to claim 2, characterized in that: The connector includes a first connector, a second connector and a plug-in portion, wherein the first connector and the plug-in portion are respectively arranged at two ends of the connector, and the first connector and the plug-in portion are connected via the second connector; the first connector and the second connector are both used to connect to external electronic components, and the plug-in portion is used to connect to a liquid inlet or a liquid outlet.

4. The multifunctional liquid cooling plate for energy storage liquid cooling according to claim 1, characterized in that: A first fluid chamber is provided on one end surface of the flow channel plate facing the upper cover plate, the first fluid chamber includes a first fluid chamber wall facing the upper cover plate, a plurality of spaced-apart partitions are provided in the first fluid chamber, and a first liquid-cooling flow channel is formed in the first fluid chamber; a second fluid chamber is provided on one end surface of the upper cover plate facing the flow channel plate, the second fluid chamber includes a second fluid chamber wall facing the flow channel plate, and a second liquid-cooling flow channel is formed in the second fluid chamber.

5. The multifunctional liquid cooling plate for energy storage liquid cooling according to claim 4, characterized in that: The first liquid-cooling flow channel includes a plurality of first branch flow channels arranged in parallel, the plurality of first branch flow channels are connected end to end, and partitions are provided between adjacent first branch flow channels; the second liquid-cooling flow channel includes a plurality of second branch flow channels arranged in parallel, the plurality of second branch flow channels are connected end to end.

6. The multifunctional liquid cooling plate for energy storage liquid cooling according to claim 1, characterized in that: The flow channel plate and the upper cover plate are both provided with a plurality of threaded holes, and bolts are sequentially passed through the corresponding threaded holes of the flow channel plate and the upper cover plate so that the flow channel plate and the upper cover plate are detachably connected.

7. The multifunctional liquid cooling plate for energy storage liquid cooling according to claim 1, characterized in that: The liquid cooling plate further comprises a sealing ring, and the sealing ring is arranged between the flow channel plate and the upper cover plate.

8. The multifunctional liquid cooling plate for energy storage liquid cooling according to claim 3, characterized in that: The first connector is a CQC interface, and the second connector is a threaded interface.

9. The multifunctional liquid cooling plate for energy storage liquid cooling according to claim 7, characterized in that: The flow channel plate and the upper cover plate are both made of aluminum alloy, and the sealing ring is made of EPDM.

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