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CN-224205639-U - Cooling plate with fin group

CN224205639UCN 224205639 UCN224205639 UCN 224205639UCN-224205639-U

Abstract

The utility model provides a cooling plate with a fin group, which comprises a base plate, wherein a groove for supplying cooling liquid to flow is formed in the upper surface of the base plate, a liquid inlet hole and a liquid outlet hole which are communicated with the groove are formed in the upper surface of the base plate, the fin group comprises a plurality of fins which are sequentially arranged along the flowing direction of the cooling liquid, adjacent fins in the fin group are connected with each other, the fins extend along the direction perpendicular to the cooling flowing direction, holes for supplying the cooling liquid to flow are formed in the fins, a first brazing filler metal plate is arranged between the groove and the fin group, the fin group is connected with the base plate through the first brazing filler metal plate in a brazing mode, the lower surface of the cover plate covers the upper surface of the base plate, a plurality of mounting areas for connecting chips are formed in the upper surface of the cover plate, and the positions of the mounting areas correspond to the positions of the fin group. The cooling plate with the fin group is simple and convenient to manufacture and low in cost.

Inventors

  • PENG BIAO
  • Hu Shuanhu
  • SHI GUOYUE

Assignees

  • 毫厘机电(苏州)有限公司

Dates

Publication Date
20260505
Application Date
20250528

Claims (10)

  1. 1. A cooling plate having a fin group, the cooling plate comprising: the liquid cooling device comprises a substrate, wherein a groove for supplying cooling liquid to flow is formed on the upper surface of the substrate, and a liquid inlet hole and a liquid outlet hole which are communicated with the groove are formed; The fin group comprises a plurality of fins which are sequentially arranged along the flowing direction of the cooling liquid, wherein adjacent fins in the fin group are connected with each other, the fins extend along the direction perpendicular to the flowing direction of the cooling liquid, and holes for supplying the cooling liquid to flow are formed in the fins; The first brazing filler metal plate is arranged between the groove and the fin group, and the fin group is in brazing connection with the substrate through the first brazing filler metal plate; The lower surface of the cover plate covers the upper surface of the base plate, a plurality of mounting areas for connecting chips are formed on the upper surface of the cover plate, and the positions of the mounting areas correspond to the positions of the fin groups.
  2. 2. The cooling plate with fin group according to claim 1, wherein the fins are formed in a wave shape.
  3. 3. The cooling plate with fin set according to claim 2, wherein the fins include a plurality of fin sections connected in sequence in a longitudinal direction, a coolant liquid passing transversely through each of the fins, the fin sections including: a first sheet disposed longitudinally with an upper surface thereof flush with an upper surface of the substrate; The second plate is vertically arranged, and the top end of the second plate is connected with one longitudinal end of the first plate; The first longitudinal end of the third plate is connected with the bottom end of the second plate, and the bottom of the third plate is connected with the bottom of the groove; And the bottom end of the fourth plate is connected with the second longitudinal end of the third plate, and the top end of the fourth plate is connected with one longitudinal end of the first plate of the next fin section.
  4. 4. A cooling plate having a fin group according to claim 3, wherein the fins include first fins and second fins which are alternately arranged in turn, and the second plates of the first fins are connected to the middle portion in the longitudinal direction of the first plates of the second fins.
  5. 5. The cooling plate with fin groups according to claim 1, wherein said installation area includes a plurality of said fin groups, and said fin groups are also included in a plurality of said fin groups in one-to-one correspondence with a plurality of said installation areas, and the cooling liquid flows into each of said fin groups in turn.
  6. 6. The cooling plate with fin groups according to claim 5, wherein the number of fin groups is four.
  7. 7. The cooling plate with fin set according to claim 1, further comprising: The lower surface of the second brazing filler metal plate is connected with the upper surface of the fin group and the upper surface of the base plate, the upper surface of the second brazing filler metal plate is connected with the lower surface of the cover plate, and the base plate is in braze welding connection with the cover plate through the second brazing filler metal plate.
  8. 8. The cooling plate with fin set according to claim 1, wherein the fins are copper pieces.
  9. 9. The cooling plate with fin set according to claim 8, wherein the cover plate is a copper member.
  10. 10. The cooling plate with fin set according to claim 1, wherein the liquid inlet hole and the liquid outlet hole are provided at a side surface of the base plate.

Description

Cooling plate with fin group Technical Field The utility model relates to the field of chip heat dissipation, in particular to a cooling plate with a fin group. Background The chip can generate heat in the operation process, and the cooling plate can radiate the heat of the chip to maintain the stable operation of the chip. To increase the heat dissipation area, existing cooling plates are typically machined with fins or forged with pin fins. However, the cooling plate has complicated manufacturing process, and damage to one fin or pin fin in the manufacturing process can cause scrapping of the cooling plate, so that the cost is high. Disclosure of utility model In view of the foregoing problems of the prior art, an object of the present utility model is to provide a cooling plate having a fin group, which is easy to manufacture and low in cost. In order to solve the above-described problems, the present utility model provides a cooling plate having a fin group, the cooling plate having a fin group comprising: the liquid cooling device comprises a substrate, wherein a groove for supplying cooling liquid to flow is formed on the upper surface of the substrate, and a liquid inlet hole and a liquid outlet hole which are communicated with the groove are formed; The fin group comprises a plurality of fins which are sequentially arranged along the flowing direction of the cooling liquid, wherein adjacent fins in the fin group are connected with each other, the fins extend along the direction perpendicular to the cooling liquid, and holes for supplying the cooling liquid to flow are formed in the fins; The first brazing filler metal plate is arranged between the groove and the fin group, and the fin group is in brazing connection with the substrate through the first brazing filler metal plate; The lower surface of the cover plate covers the upper surface of the base plate, a plurality of mounting areas for connecting chips are formed on the upper surface of the cover plate, and the positions of the mounting areas correspond to the positions of the fin groups. Further, the fins are formed in a wave shape. Further, the fin includes a plurality of fin segments connected in sequence along a longitudinal direction, a coolant laterally passes through each of the fins, the fin segments including: a first sheet disposed longitudinally with an upper surface thereof flush with an upper surface of the substrate; The second plate is vertically arranged, and the top end of the second plate is connected with one longitudinal end of the first plate; The first longitudinal end of the third plate is connected with the bottom end of the second plate, and the bottom of the third plate is connected with the bottom of the groove; And the bottom end of the fourth plate is connected with the second longitudinal end of the third plate, and the top end of the fourth plate is connected with one longitudinal end of the first plate of the next fin section. Further, the fins comprise first fins and second fins, the first fins and the second fins are sequentially and alternately arranged, and the second plates of the first fins are connected with the middle parts of the longitudinal directions of the first plates of the second fins. Further, the installation area comprises a plurality of fin groups, the fin groups are in one-to-one correspondence with the installation areas, and the cooling liquid sequentially flows into each fin group. Further, the number of the fin groups is four. Further, the cooling plate further includes: The lower surface of the second brazing filler metal plate is connected with the upper surface of the fin group and the upper surface of the base plate, the upper surface of the second brazing filler metal plate is connected with the lower surface of the cover plate, and the base plate is in braze welding connection with the cover plate through the second brazing filler metal plate. Further, the fins are copper parts. Further, the cover plate is a copper product. Further, the liquid inlet hole and the liquid outlet hole are arranged on the side face of the substrate. Due to the technical scheme, the utility model has the following beneficial effects: According to the cooling plate with the fin group, the base plate is provided with the grooves, the liquid inlet holes and the liquid outlet holes for cooling liquid to flow. The fin group is arranged in the groove, and the fin group and the base plate are respectively formed independently, compared with the process of processing fins or pin fins on the base plate, the difficulty in manufacturing the cooling plate is reduced. Moreover, even if the fin processing process is abnormal, only one fin is scrapped, and the substrate is not affected, so that the scrappage is reduced, and the cost is reduced. In addition, the base plate and the fin group can be manufactured synchronously, so that the operation efficiency is improved, and the productivity can be improved. Drawings In