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CN-121983754-A - Battery pack and vehicle with same

CN121983754ACN 121983754 ACN121983754 ACN 121983754ACN-121983754-A

Abstract

The embodiment of the application provides a battery pack and a vehicle with the battery pack. The battery pack comprises an electric core module, a high-voltage busbar assembly and a limiting assembly, wherein an electric connecting piece is arranged on one side of the electric core module and connected with the electric core module, the high-voltage busbar assembly at least comprises a busbar main body and a wiring port, the busbar main body is connected with the wiring port, the busbar main body is attached to the surface of the electric connecting piece, the busbar main body is connected with at least one of the electric connecting piece and an external wire harness through the wiring port, the limiting assembly is connected with at least one of the electric connecting piece and the high-voltage busbar assembly, and the electric connecting piece is connected with the high-voltage busbar assembly in a matched mode through the limiting assembly so that the electric connecting piece and the high-voltage busbar assembly keep relatively static. The technical problem of following the rotation in the high-voltage busbar installation process in the prior art is solved.

Inventors

  • Rong Canbin

Assignees

  • 奇瑞汽车股份有限公司

Dates

Publication Date
20260505
Application Date
20260122

Claims (10)

  1. 1. A battery pack, comprising: The battery cell module (10), one side of the battery cell module (10) is provided with an electric connecting piece (20), and the electric connecting piece (20) is connected with the battery cell module (10); The high-voltage busbar assembly (30), the high-voltage busbar assembly (30) at least comprises a busbar main body (31) and a wiring port (32), the busbar main body (31) is connected with the wiring port (32), the busbar main body (31) is attached to the surface of the electrical connecting piece (20), and the busbar main body (31) is connected with at least one of the electrical connecting piece (20) and an external wire harness through the wiring port (32); The limiting assembly (40), limiting assembly (40) with at least one of electrical connector (20) high-voltage busbar subassembly (30) is connected, electrical connector (20) pass through limiting assembly (40) with high-voltage busbar subassembly (30) cooperation is connected, so that electrical connector (20) with high-voltage busbar subassembly (30) keep relatively static.
  2. 2. The battery pack according to claim 1, wherein the limit assembly (40) comprises a limit structure (41) and a mating structure (42), the limit structure (41) is connected with any one of the electrical connector (20) and the high-voltage busbar assembly (30), the mating structure (42) is connected with the other one of the electrical connector (20) and the high-voltage busbar assembly (30), and the limit structure (41) is connected with the mating structure (42) in a mating manner so that the electrical connector (20) and the high-voltage busbar assembly (30) remain relatively stationary.
  3. 3. The battery pack according to claim 2, wherein the limit structure (41) is any one of a limit protrusion and a limit groove, the mating structure (42) is the other one of the limit protrusion and the limit groove, and at least part of the limit protrusion extends into the limit groove when the electrical connector (20) is mated with the high-voltage busbar assembly (30).
  4. 4. A battery pack according to any one of claims 1-3, wherein the busbar body (31) comprises: a main body section (311), wherein the main body section (311) is attached to the electrical connection piece (20); A bending section (312), wherein one end of the bending section (312) is connected with the main body section (311), and the other end of the bending section (312) is connected with the wiring port (32); Wherein the extension direction of the bending section (312) is arranged at an angle to the extension direction of the main body section (311).
  5. 5. The battery pack according to claim 4, wherein the outer surface of the busbar body (31) is provided with an insulating layer.
  6. 6. The battery pack according to any one of claims 1,2,3 or 5, wherein the electrical connector (20) comprises a mounting base (21), the mounting base (21) is connected with the battery cell module (10), and at least one connecting hole (210) is formed in the mounting base (21).
  7. 7. The battery pack according to claim 6, wherein the connection port (32) is provided with at least one fitting hole (320), the fitting hole (320) is disposed corresponding to the connection hole (210), and a bolt is passed through the fitting hole (320) and the connection hole (210) to connect the fitting hole (320) and the connection hole (210).
  8. 8. The battery pack according to claim 7, wherein the mounting base (21) is made of a plastic material.
  9. 9. The battery pack according to claim 7 or 8, wherein the electrical connector (20) further comprises a busbar connection base (22), one side of the busbar connection base (22) is connected with the mounting base (21), the other side of the busbar connection base (22) is connected with the busbar main body (31), and a through hole is formed in the busbar connection base (22), and the through hole is arranged corresponding to the connection hole (210) and the matching hole (320).
  10. 10. A vehicle, characterized in that the vehicle has a battery pack, the battery pack is the battery pack according to any one of the preceding claims 1 to 9.

Description

Battery pack and vehicle with same Technical Field The embodiment of the application relates to the technical field of battery systems, in particular to a battery pack and a vehicle with the battery pack. Background With the vigorous development of new energy automobiles in recent years, the energy density requirement of a battery pack is increasingly deepened, the space utilization requirement of the battery pack is gradually increased, and high-voltage wires inside the battery pack are gradually replaced by high-voltage busbar. In the prior art, the high-voltage busbar is usually in the form of a soft copper bar, an aluminum bar and a hard copper bar, so that the basic material is softer, the sectional area is not particularly large, the problem that the high-voltage busbar rotates along with a bolt frequently occurs in the installation process, the high-voltage busbar is deformed, other structural members matched with the high-voltage busbar are damaged, the service life of a battery pack is prolonged, and the failure rate of the battery pack is increased. Therefore, the problem of rotation of the copper bar following the bolt is solved, and the problem of improvement of the battery Bao Liang rate is urgently needed. There is currently no good solution to the above problems. Disclosure of Invention The embodiment of the application provides a battery pack and a vehicle with the battery pack, which at least solve the technical problem of follow-up rotation in the high-voltage busbar installation process in the prior art. According to one aspect of the embodiment of the application, a battery pack is provided, which comprises a battery core module, a high-voltage busbar assembly and a limiting assembly, wherein an electric connecting piece is arranged on one side of the battery core module and connected with the battery core module, the high-voltage busbar assembly at least comprises a busbar main body and a wiring port, the busbar main body is connected with the wiring port, the busbar main body is in fit arrangement with the surface of the electric connecting piece and is connected with at least one of the electric connecting piece and an external wire harness through the wiring port, the limiting assembly is connected with at least one of the electric connecting piece and the high-voltage busbar assembly, and the electric connecting piece is in fit connection with the high-voltage busbar assembly through the limiting assembly so that the electric connecting piece and the high-voltage busbar assembly keep relatively static. Further, the limiting assembly comprises a limiting structure and a matching structure, wherein the limiting structure is connected with any one of the electric connecting piece and the high-voltage busbar assembly, the matching structure is connected with the other one of the electric connecting piece and the high-voltage busbar assembly, and the limiting structure is connected with the matching structure in a matching way so that the electric connecting piece and the high-voltage busbar assembly are kept relatively static. Further, the limit structure is any one of the limit protrusion and the limit groove, the matching structure is the other one of the limit protrusion and the limit groove, and when the electric connecting piece is matched and connected with the high-voltage busbar assembly, at least part of the limit protrusion extends into the limit groove. The busbar main body further comprises a main body section, a bending section and a connecting port, wherein the main body section is attached to the electric connecting piece, one end of the bending section is connected with the main body section, the other end of the bending section is connected with the connecting port, and the extending direction of the bending section is arranged in an angle with the extending direction of the main body section. Further, an insulating layer is arranged on the outer surface of the busbar main body. Further, the electrical connector comprises a mounting base, the mounting base is connected with the cell module, and at least one connecting hole is formed in the mounting base. Further, at least one matching hole is formed in the wiring port, the matching hole and the connecting hole are correspondingly arranged, and the bolt penetrates through the matching hole and the connecting hole to connect the matching hole and the connecting hole. Further, the mounting base is made of plastic materials. Further, the electric connecting piece still includes female row connection base, and one side of female row connection base is connected with the installation base, and female row connection base's opposite side is connected with female row main part, has seted up the through-hole on the female row connection base, and the through-hole corresponds the setting with connecting hole, mating hole. According to another aspect of the embodiment of the present application, there is also provided a vehicle hav