Search

CN-224232723-U - Liquid cooling assembly and CTP battery pack

CN224232723UCN 224232723 UCN224232723 UCN 224232723UCN-224232723-U

Abstract

The application provides a liquid cooling assembly and a CTP battery pack. The liquid cooling assembly comprises a liquid cooling plate upper plate and a liquid cooling plate bottom plate, wherein the liquid cooling plate bottom plate is detachably connected with the liquid cooling plate upper plate, and the liquid cooling plate bottom plate is provided with a liquid cooling flow channel for cooling liquid to flow. The application can replace damaged parts in time, and the service life of the whole liquid cooling assembly is prolonged.

Inventors

  • WEI ZHURONG
  • LV XIXIANG
  • SUN BIN
  • XUE HONGTAO

Assignees

  • 合肥国轩高科动力能源有限公司

Dates

Publication Date
20260512
Application Date
20250527

Claims (10)

  1. 1. A liquid cooling assembly (100), comprising: A liquid cooling plate upper plate (110); The liquid cooling plate bottom plate (120), liquid cooling plate bottom plate (120) with liquid cooling plate upper plate (110) can dismantle the connection, wherein, liquid cooling plate bottom plate (120) has the liquid cooling runner that supplies the coolant to flow.
  2. 2. The liquid cooling assembly (100) of claim 1, wherein the liquid cooling assembly (100) further comprises a magnetic attraction assembly (130), the magnetic attraction assembly (130) being disposed between the liquid cooling plate upper plate (110) and the liquid cooling plate bottom plate (120) such that the liquid cooling plate bottom plate (120) is detachable from the liquid cooling plate upper plate (110).
  3. 3. The liquid cooling assembly (100) of claim 2, wherein the magnetic attraction assembly (130) comprises a first magnetic attraction member (131) and a second magnetic attraction member (132); The first magnetic attraction piece (131) is arranged on the liquid cooling plate upper plate (110), the second magnetic attraction piece (132) is arranged on the liquid cooling plate bottom plate (120), and the first magnetic attraction piece (131) and the second magnetic attraction piece (132) are attracted to each other so that the liquid cooling plate upper plate (110) is connected with the liquid cooling plate bottom plate (120).
  4. 4. The liquid cooling assembly (100) of claim 3, wherein at least one of the first magnetic attraction member (131) and the second magnetic attraction member (132) is a magnetic attraction sheet.
  5. 5. The liquid cooled assembly (100) of claim 3 or 4, wherein the liquid cooled assembly (100) further comprises a first connector (140) and a second connector (150); The first connecting piece (140) is positioned between the liquid cooling plate upper plate (110) and the first magnetic attraction piece (131) so as to connect the liquid cooling plate upper plate (110) and the first magnetic attraction piece (131); the second connecting piece (150) is located between the liquid cooling plate bottom plate (120) and the second magnetic attraction piece (132), so that the liquid cooling plate bottom plate (120) is connected with the second magnetic attraction piece (132).
  6. 6. The liquid cooling assembly (100) of claim 5, wherein the first connector (140) and the first magnetic attractor (131) are configured to mate with each other; The second connecting piece (150) and the second magnetic attraction piece (132) are matched in structure.
  7. 7. The liquid cooled assembly (100) of claim 5, wherein at least one of the first connector (140) and the second connector (150) is a sheet-like adhesive.
  8. 8. The liquid cooled assembly (100) of any of claims 1-4, wherein the liquid cooled assembly (100) further comprises at least two stop members (160); At least two limiting pieces (160) are respectively positioned at the edge of the liquid cooling plate upper plate (110), and the at least two limiting pieces (160) form a limiting space so that the liquid cooling plate bottom plate (120) is positioned in the limiting space.
  9. 9. The liquid cooling assembly (100) of claim 8, wherein the stop (160) includes a first stop edge (161) and a second stop edge (162) connected; The first limiting edge (161) is abutted against a first side edge of the liquid cooling plate bottom plate (120), and the second limiting edge (162) is abutted against a second side edge of the liquid cooling plate bottom plate (120); the first side edge of the liquid cooling plate bottom plate (120) and the second side edge of the liquid cooling plate bottom plate (120) are two adjacent edges.
  10. 10. CTP battery pack characterized by comprising a case, a heat conductive gel, an electrical core, and a liquid cooled assembly (100) according to any one of claims 1 to 9; The box body is provided with a containing cavity, and the containing cavity is used for containing the battery cell and the liquid cooling assembly (100); The battery cell is arranged on the liquid cooling assembly (100) through heat conduction glue, and the liquid cooling assembly (100) is used for exchanging heat with the battery cell.

Description

Liquid cooling assembly and CTP battery pack Technical Field The application relates to a liquid cooling assembly and a CTP battery pack, and belongs to the technical field of new energy batteries. Background With the rapid development of the fields of electric automobiles, energy storage systems and the like, the safety and reliability of the battery serving as a core component are important. In the process of conception and implementation of the application, the applicant finds that at least the following problems exist in the current CTP battery cell bottom surface cooling scheme that the battery cell is bonded with a liquid cooling plate upper plate through heat conduction structural adhesive, the liquid cooling plate upper plate is connected with a runner plate through brazing, and when the impact position of the bottom of a battery pack is just positioned on the runner, the compaction permanent deformation of the runner is easy to cause. The foregoing description is provided for general background information and does not necessarily constitute prior art. Disclosure of utility model The application provides a liquid cooling assembly and a CTP battery pack, which can replace damaged parts in time, and prolong the service life of the whole liquid cooling assembly. The application provides a liquid cooling assembly, comprising: a liquid cooling plate upper plate; The liquid cooling plate bottom plate is detachably connected with the liquid cooling plate upper plate, and is provided with a liquid cooling runner for cooling liquid to flow. The application has the beneficial effects that by adopting the detachable design of the liquid cooling plate bottom plate and the liquid cooling plate upper plate, when any one of the liquid cooling plate bottom plate and the liquid cooling plate upper plate is damaged, the liquid cooling plate bottom plate and the liquid cooling plate upper plate can be quickly removed for maintenance and replacement, the cost is reduced, damaged parts can be timely replaced, and the service life of the whole liquid cooling assembly is prolonged. In some alternative embodiments, the liquid cooling assembly further comprises a magnetic attraction assembly disposed between the liquid cooling plate upper plate and the liquid cooling plate bottom plate to make the liquid cooling plate bottom plate detachable from the liquid cooling plate upper plate. It should be noted that the magnetic component provides a quick and simple connection mode, so that the assembly and disassembly of the upper plate and the bottom plate of the liquid cooling plate become more convenient, and the operation can be performed without tools. This greatly simplifies the maintenance and replacement process. In some alternative embodiments, the magnetic assembly includes a first magnetic element and a second magnetic element; The first magnetic attraction piece is arranged on the liquid cooling plate upper plate, the second magnetic attraction piece is arranged on the liquid cooling plate bottom plate, and the first magnetic attraction piece and the second magnetic attraction piece attract each other so that the liquid cooling plate upper plate and the liquid cooling plate bottom plate are connected. It should be noted that the magnetic force between the first magnetic attraction piece and the second magnetic attraction piece provides stable connection, so that the upper plate of the liquid cooling plate and the bottom plate of the liquid cooling plate can be firmly combined, and the liquid cooling plate is not easy to loosen or separate under normal operation conditions. In some alternative embodiments, at least one of the first magnetic attraction member and the second magnetic attraction member is a magnetic attraction sheet. It should be noted that the use of the magnetic sheet can effectively reduce the material and manufacturing costs, thereby making the overall cost of the liquid cooling assembly more competitive. In some alternative embodiments, the liquid cooling assembly further comprises a first connector and a second connector; The first connecting piece is positioned between the liquid cooling plate upper plate and the first magnetic attraction piece so as to connect the liquid cooling plate upper plate and the first magnetic attraction piece; The second connecting piece is located between the liquid cooling plate bottom plate and the second magnetic attraction piece so that the liquid cooling plate bottom plate is connected with the second magnetic attraction piece. It should be noted that the first connecting piece provides additional mechanical fixation, ensures that the connection between the first magnetic attraction piece and the liquid cooling plate upper plate is more stable, and the second connecting piece provides additional mechanical fixation, ensures that the connection between the second magnetic attraction piece and the liquid cooling plate bottom plate is more stable, and reduces looseness