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CN-122028390-A - Liquid cooling assembly and electronic equipment

CN122028390ACN 122028390 ACN122028390 ACN 122028390ACN-122028390-A

Abstract

The embodiment of the application provides a liquid cooling assembly and electronic equipment, and relates to the technical field of electronic equipment heat dissipation. The liquid cooling assembly comprises a base, a cover body and a heat exchange piece. The cover body is arranged on one side of the base, and the cover body and the base enclose a synthetic liquid cooling runner. The heat exchange pieces are arranged in the liquid cooling flow channels, and the plurality of heat exchange pieces are arranged in an array mode so as to divide the liquid cooling flow channels into a main flow channel and at least two branch flow channels which are communicated with each other, at least one of the at least two branch flow channels is intersected with the extending direction of the main flow channel, and the extending directions of the at least two branch flow channels are intersected. The liquid cooling runners are divided into the main runners and at least two branch runners which are mutually communicated through the plurality of heat exchange pieces, so that the runners are uniformly distributed, the main runners are intersected with the extending direction of one branch runner, the extending directions of the at least two branch runners are intersected, local vortex is reduced, flow resistance is reduced, and heat dissipation efficiency is improved.

Inventors

  • WANG SHEN
  • TIAN SHU

Assignees

  • 上海远图未来信息技术有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (10)

  1. 1. A liquid cooling assembly, comprising: a base (100); The cover body (200) is arranged on one side of the base (100), and the cover body (200) and the base (100) enclose a synthetic liquid cooling runner (110); the heat exchange pieces (300) are arranged in the liquid cooling runners (110), a plurality of the heat exchange pieces (300) are arranged in an array mode, the liquid cooling runners (110) are divided into a main runner (111) and at least two branch runners which are communicated with each other, at least one of the at least two branch runners is intersected with the extending direction of the main runner (111), and the extending directions of the at least two branch runners are intersected.
  2. 2. The liquid cooling assembly according to claim 1, wherein at least two of the branch flow passages include a first branch flow passage (112) and a second branch flow passage (113); the plurality of first branch flow passages (112) are positioned on two opposite sides of the main flow passage (111), and the extending directions of the plurality of first branch flow passages (112) positioned on the same side of the main flow passage (111) are parallel; The plurality of second branch flow passages (113) are positioned between two adjacent first branch flow passages (112) and are distributed at intervals along the extending direction of the first branch flow passages (112), and the plurality of second branch flow passages (113) are communicated with the first branch flow passages (112); the main runner (111), the first branch runner (112) and the second branch runner (113) are communicated in sequence.
  3. 3. The liquid cooling assembly according to claim 2, wherein an angle α is formed between the extension direction of the main flow channel (111) and the extension direction of the first branch flow channel (112); the alpha is more than or equal to 35 degrees and less than or equal to 75 degrees.
  4. 4. The liquid cooling assembly according to claim 2, wherein the width of the main flow channel (111) is W1, the width of the first branch flow channel (112) is W2, and the width of the second branch flow channel (113) is W3; w1, W2 and W3 satisfy W1 3 =W2 3 +W3 3 .
  5. 5. The liquid cooling assembly according to any one of claims 2-4, wherein the second branch flow channel (113) is provided with a plurality of turbulence members (120) arranged in an array; And/or, the arrangement directions of the turbulence pieces (120) of two adjacent rows are intersected; And/or, the arrangement directions of the turbulence pieces (120) of two adjacent columns are intersected.
  6. 6. The liquid cooling assembly according to any one of claims 2-4, wherein the cover (200) has a liquid inlet (210) and a liquid outlet (220), the liquid inlet (210) and the liquid outlet (220) being located on opposite sides of the cover (200) from the main flow channel (111); The liquid inlet (210), the main runner (111) and the liquid outlet (220) are sequentially communicated.
  7. 7. The liquid cooling assembly according to claim 6, further comprising a liquid inlet connector (400) and a liquid outlet connector (500), wherein the liquid inlet connector (400) and the liquid outlet connector (500) are arranged on one side of the cover body (200) away from the base (100), the liquid inlet connector (400) is communicated with the liquid inlet (210), the liquid outlet connector (500) is communicated with the liquid outlet (220), and the liquid inlet connector (400), the main runner (111) and the liquid outlet connector (500) are sequentially communicated; and/or the liquid inlet joint (400) and the liquid outlet joint (500) adopt a pagoda head structure.
  8. 8. The liquid cooling assembly according to any one of claims 1-4, wherein a side of the cover (200) facing away from the base (100) has a leakage prevention groove (230), the leakage prevention groove (230) being disposed along a peripheral side of the cover (200); And/or, one side of the cover body (200) close to the base (100) is provided with a plurality of grooves (240) which are arranged at intervals, and the extending directions of the grooves (240) are consistent.
  9. 9. The liquid cooled assembly of any of claims 1-4, wherein the cover (200) and the base (100) are welded together in a sealed connection.
  10. 10. An electronic device, comprising: an electronic component; The liquid cooling assembly of any one of claims 1-9 for dissipating heat from the electronic component.

Description

Liquid cooling assembly and electronic equipment Technical Field The application relates to the technical field of electronic equipment heat dissipation, in particular to a liquid cooling assembly and electronic equipment. Background In the field of heat dissipation of high-power-density electronic equipment (such as chips, servers and new energy automobile electric drive systems) and precision mechanical equipment, a cold plate is used as a core heat dissipation element, and the performance of the cold plate directly influences the running stability and the service life of the equipment. The cold plate circulates through the cooling fluid of the internal flow channel to rapidly conduct out the heat generated by the equipment, so that the equipment is maintained to operate in a safe temperature range. In the related art, the flow channel of the cold plate is designed to adopt a straight channel, a curved channel or a simple branch structure, and heat transfer is realized through continuous flow of fluid. For example, a straight flow channel increases turbulence by increasing the length of the flow channel to extend the heat exchange path, and a U-shaped flow channel or serpentine flow channel changes the direction of the fluid by a curved path to extend the fluid flow distance. However, the cold plate has uneven distribution of flow channels, high flow channel resistance and low heat dissipation efficiency. Disclosure of Invention The embodiment of the application provides a liquid cooling assembly and electronic equipment, which are used for improving the distribution uniformity of a flow passage and reducing the resistance of the flow passage so as to improve the heat dissipation efficiency. In one aspect, the embodiment of the application provides a liquid cooling assembly, which comprises a base, a cover body and a heat exchange piece. The cover body is arranged on one side of the base, and the cover body and the base enclose a synthetic liquid cooling runner. The heat exchange pieces are arranged in the liquid cooling flow channels, and the plurality of heat exchange pieces are arranged in an array mode so as to divide the liquid cooling flow channels into a main flow channel and at least two branch flow channels which are communicated with each other, at least one of the at least two branch flow channels is intersected with the extending direction of the main flow channel, and the extending directions of the at least two branch flow channels are intersected. In the above liquid cooling assembly, it may be realized that the at least two branch flow passages include a first branch flow passage and a second branch flow passage. The plurality of first branch flow passages are positioned on two opposite sides of the main flow passage, the extending directions of the plurality of first branch flow passages positioned on the same side of the main flow passage are parallel, and the plurality of first branch flow passages are communicated with the main flow passage. The plurality of second branch flow passages are positioned between two adjacent first branch flow passages and are distributed at intervals along the extending direction of the first branch flow passages, and the plurality of second branch flow passages are communicated with the first branch flow passages. The main runner, the first branch runner and the second branch runner are communicated in sequence. In the liquid cooling assembly, an included angle alpha is formed between the extending direction of the main runner and the extending direction of the first branch runner, and the alpha is more than or equal to 35 degrees and less than or equal to 75 degrees. In the above liquid cooling assembly, it is possible to realize that the width of the main flow channel is W1, the width of the first branch flow channel is W2, and the width of the second branch flow channel is W3, wherein W1, W2 and W3 satisfy W1 3=W23+W33. In the above liquid cooling assembly, it may be realized that the second branch flow channel is provided with a plurality of turbulence members arranged in an array. In the above liquid cooling assembly, it may be realized that the arrangement directions of the turbulence members of two adjacent rows intersect. In the above liquid cooling assembly, it may be realized that the arrangement directions of the turbulence members in two adjacent rows intersect. In the above liquid cooling assembly, it may be realized that the cover body has a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are located at two opposite sides of the cover body to the main flow channel, and the liquid inlet, the main flow channel and the liquid outlet are sequentially communicated. In the above-mentioned liquid cooling subassembly, it is can be realized that still includes inlet connector and play liquid connector, inlet connector and play liquid connector set up in the lid one side that deviates from the base, inlet connector and inlet i