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CN-224217550-U - High-efficient radiating assembly of bionical liquid cooling board

CN224217550UCN 224217550 UCN224217550 UCN 224217550UCN-224217550-U

Abstract

The utility model relates to the technical field of heat management, in particular to a bionic liquid cooling plate high-efficiency heat dissipation assembly which comprises a battery pack and a liquid cooling plate, wherein the battery pack is formed by arranging a plurality of battery units, the liquid cooling plate is attached to the bottom of the battery pack, the liquid cooling plate consists of a back plate attached to the battery pack and a substrate fixedly connected with the back plate, a cooling liquid flow channel is formed in the substrate, a water inlet pipe and a water outlet pipe communicated with the cooling liquid flow channel are arranged on the surface of the end part of the back plate, two positioning strips are arranged and fixedly connected to the liquid cooling plate, and the two positioning strips are respectively arranged on two sides of the battery pack.

Inventors

  • QI NING
  • CHEN TONG
  • LIU CHEN

Assignees

  • 液联智冷(江苏)系统有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (7)

  1. 1. The utility model provides a high-efficient heat dissipation subassembly of bionical liquid cooling board which characterized in that includes: A battery pack (1), the battery pack (1) being composed of a plurality of battery cells arranged; The liquid cooling plate (4), the liquid cooling plate (4) is attached to the bottom of the battery pack (1), the liquid cooling plate (4) is composed of a back plate (41) attached to the battery pack (1) and a substrate (42) fixedly connected with the back plate (41), a cooling liquid flow channel is formed in the substrate (42), and a water inlet pipe (411) and a water outlet pipe (412) which are communicated with the cooling liquid flow channel are arranged on the surface of the end part of the back plate (41); the two positioning strips (3) are arranged, and are fixedly connected to the liquid cooling plate (4), and the two positioning strips (3) are respectively arranged at two sides of the battery pack (1) and used for limiting the positions of the battery units; the side plates (2) are arranged on two sides of the battery pack (1) in a fitting mode and fixedly connected to the positioning strips (3).
  2. 2. The efficient heat dissipation assembly of the bionic liquid cooling plate of claim 1, wherein the cooling liquid flow channel consists of an upper flow channel (421), a communicating flow channel (423) and a lower flow channel (422), the upper flow channel (421) and the lower flow channel (422) are mutually communicated through the communicating flow channel (423), and the upper flow channel (421) and the lower flow channel (422) are in symmetrical distribution structures.
  3. 3. The efficient heat dissipation assembly of a bionic liquid cooling plate as set forth in claim 2, wherein the upper flow passage (421) comprises an inlet flow passage (4211) communicated with the water inlet pipe (411), one side of the inlet flow passage (4211) is communicated with an inner flow passage I (4212) and two outer flow passages I (4213), a branch flow passage I (4214) is arranged in the inner flow passage I (4212), and the inner flow passage I (4212) and the outer flow passage I (4213) are both communicated with the communicating flow passage (423).
  4. 4. The efficient heat dissipation assembly of the bionic liquid cooling plate as set forth in claim 2, wherein the lower flow channel (422) comprises two inner flow channels (4221) and two outer flow channels (4222) which are communicated with the communicating flow channel (423), a branch flow channel (4223) is arranged in the inner flow channel (4221), one side of the branch flow channel (4223) is communicated with a direct flow channel (4224), the direct flow channel (4224) and the outer flow channel (4222) are both communicated with the outlet flow channel (4225), and the outlet flow channel (4225) is communicated with the water outlet pipe (412).
  5. 5. The efficient heat dissipation assembly of a bionic liquid cooling plate as set forth in claim 2, wherein the flow passage cross-sectional areas of the upper flow passage (421) and the lower flow passage (422) are gradually reduced along the flow direction of the cooling liquid.
  6. 6. The bionic liquid cooling plate efficient heat dissipation assembly according to claim 1, wherein the side surface of the side plate (2) far away from the battery pack (1) is in a honeycomb structure.
  7. 7. The bionic liquid cooling plate efficient heat dissipation assembly of claim 1, wherein the liquid cooling plate (4) is made of one of aluminum alloy and copper alloy.

Description

High-efficient radiating assembly of bionical liquid cooling board Technical Field The utility model relates to the technical field of thermal management, in particular to a bionic liquid cooling plate efficient heat dissipation assembly. Background The liquid cooling plate is used as a core component of a liquid cooling system and is widely applied to heat dissipation of high-heat-density components such as semiconductors, microprocessors, batteries of electric vehicles and the like. Although the traditional liquid cooling plate meets the heat dissipation requirement to a certain extent, the heat dissipation efficiency and the heat resistance are still to be improved. In the prior art, the flow channel design of the liquid cooling plate is mostly in a regular shape, such as a snake-shaped flow channel, a parallel flow channel and the like, a flow stagnation area is easily formed at the acute angle bending position of the snake-shaped flow channel, so that the local heat exchange coefficient is reduced, the actually measured thermal resistance is increased, the inlet static pressure difference of the parallel flow channel enables the deviation of each branch flow to be larger, and the standard deviation of the heat source surface temperature distribution is larger, so that the designs have certain limitations on the heat dissipation effect. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a bionic liquid cooling plate high-efficiency heat dissipation assembly, which solves the technical problems of flow dead zone and uneven flow distribution caused by the regular shape of the internal flow channel of the existing liquid cooling plate. In order to solve the technical problems, the utility model provides the following technical scheme that the bionic liquid cooling plate efficient heat dissipation assembly comprises: a battery pack composed of a plurality of battery cells arranged; The liquid cooling plate is attached to the bottom of the battery pack, the liquid cooling plate consists of a backboard attached to the battery pack and a substrate fixedly connected with the backboard, a cooling liquid flow channel is formed in the substrate, and a water inlet pipe and a water outlet pipe which are communicated with the cooling liquid flow channel are arranged on the surface of the end part of the backboard; The two positioning strips are respectively arranged at two sides of the battery pack and used for limiting the positions of the battery units; the side plates are arranged on two sides of the battery pack in a fitting mode and fixedly connected to the positioning strips. Preferably, the cooling liquid flow channel is composed of an upper flow channel, a communicating flow channel and a lower flow channel, the upper flow channel and the lower flow channel are mutually communicated through the communicating flow channel, and the upper flow channel and the lower flow channel are in symmetrical distribution structures. Preferably, the upper runner comprises an inlet runner communicated with the water inlet pipe, one side of the inlet runner is communicated with an inner runner I and two outer runners I, a branch runner I is arranged in the inner runner I, and the inner runner I and the outer runner I are both communicated with the communicating runner. Preferably, the lower runner comprises two inner runners and two outer runners, wherein the two inner runners are communicated with the communicating runners, the two inner runners are provided with branch runners, one sides of the branch runners are communicated with straight runners, the straight runners and the outer runners are communicated with outlet runners, and the outlet runners are communicated with the water outlet pipe. Preferably, the flow passage cross-sectional areas of the upper flow passage and the lower flow passage gradually decrease in the direction of the flow of the cooling liquid. Preferably, the side of the side plate away from the battery pack is in a honeycomb structure. Preferably, the material of the liquid cooling plate is one of aluminum alloy and copper alloy. By means of the technical scheme, the utility model provides the bionic liquid cooling plate efficient heat dissipation assembly, which has the following beneficial effects: 1. According to the bionic liquid cooling plate efficient heat dissipation assembly, through the flow channel design of the natural efficient heat dissipation structure such as the simulated veins and the vascular network, the flow uniformity of cooling liquid in the flow channel is improved, the problems of common flow dead zones and uneven flow distribution in the traditional regular flow channel are effectively reduced, and the problem of local hot spots of the power battery in a high-heat-density scene is effectively solved. 2. The bionic liquid cooling plate efficient heat dissipation assembly has the advantages that the shape and the size of the flow chann