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CN-224217617-U - Battery pack and electricity utilization device

CN224217617UCN 224217617 UCN224217617 UCN 224217617UCN-224217617-U

Abstract

The embodiment of the application relates to the technical field of batteries, and particularly discloses a battery pack and an electric device, wherein the battery pack comprises a box body, a box cover, a first battery pack and an insulating piece, wherein the box body is provided with a containing cavity, the box cover is connected to one side of the box body in a second direction, the first battery pack comprises a plurality of first single batteries and a first output row, the second battery pack comprises a plurality of second single batteries and a second output row, the insulating piece is arranged in the containing cavity and extends along the first direction, the insulating piece is arranged on one side of the second battery pack in the first direction, and the first electric connecting piece is respectively and electrically connected with the first output row and the second output row, and the first electric connecting piece and the second output row are fixedly connected with the insulating piece. According to the application, the insulating piece is used for fixedly supporting the connection part of the first electric connecting piece and the second output row, so that the connection stability between the first electric connecting piece and the second output row is ensured, and the overall structural stability of the battery pack is further ensured.

Inventors

  • WANG BINBIN
  • ZHANG BO
  • Jin Guixian
  • ZHOU GUANYU

Assignees

  • 欣旺达动力科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (10)

  1. 1. A battery pack having first and second perpendicular directions, comprising: The box body is provided with a containing cavity; the box cover is connected to one side of the box body in the second direction; The first battery pack comprises a plurality of first single batteries and a first output row, wherein the plurality of first single batteries and the first output row are arranged in the accommodating cavity, and the first output row is electrically connected with the plurality of first single batteries; The second battery pack is arranged close to the case cover relative to the first battery pack, and comprises a plurality of second single batteries and a second output row, wherein the second single batteries and the second output row are arranged in the accommodating cavity, and the second output row is electrically connected with the second single batteries; an insulating member disposed in the accommodating chamber and extending along the second direction, the insulating member being disposed at one side of the second battery pack in the first direction, and The first electric connecting piece is electrically connected with the first output row and the second output row respectively, and the first electric connecting piece and the second output row are fixedly connected with the insulating piece.
  2. 2. The battery pack of claim 1, wherein the first electrical connector comprises a connecting body and a first electrical connector, the first electrical connector being connected to a side of the connecting body adjacent to the insulator in the first direction, a portion of the connecting body extending in the second direction; The first electric connection part and the second output row are electrically connected at the insulating part, and the first electric connection part and the second output row are fixedly connected with the insulating part.
  3. 3. The battery pack of claim 2, wherein the battery pack further has a third direction, the first direction, the second direction, and the third direction being perpendicular to each other; The connecting body comprises a first sub-connecting part and a second sub-connecting part, wherein the first sub-connecting part extends along the third direction, the second sub-connecting part extends along the second direction, the first sub-connecting part is arranged on one side, close to the first electric connecting part, of the second sub-connecting part in the second direction, and the second sub-connecting part is connected with the first electric connecting part through the first sub-connecting part.
  4. 4. The battery pack of claim 2, wherein the second output row is provided with a first fixing hole, and the first electric connection part is provided with a second fixing hole; the battery pack further comprises a first locking piece, wherein the first locking piece penetrates through the first fixing hole and the second fixing hole and is fixedly connected with the insulating piece so as to fix the second output row and the first electric connecting part in a positioning mode.
  5. 5. The battery pack of claim 2, further comprising a first guard member and a second guard member, wherein the first guard member covers an outer surface of the first electrical connection portion and the second guard member covers an outer surface of the connection body.
  6. 6. The battery pack of claim 3, further comprising a second electrical connector disposed on a side of the first battery pack adjacent to the first electrical connector in the first direction, the second electrical connector being electrically connected to the first output row; The first electric connecting piece further comprises a second electric connecting part which is arranged on one side of the second sub-connecting part, which is close to the second electric connecting piece, and the second electric connecting part is electrically connected with the second electric connecting piece.
  7. 7. The battery pack of claim 6, wherein a third fixing hole is formed in one end of the second electrical connector, which is close to the second electrical connector, and a fourth fixing hole is formed in the second electrical connector; The battery pack further comprises a second locking piece, wherein the second locking piece penetrates through the third fixing hole and the fourth fixing hole to fixedly connect the second electric connecting part with the second electric connecting piece and electrically connect the second electric connecting part with the second electric connecting piece.
  8. 8. The battery pack according to claim 6, wherein the case includes a bottom plate, a side rail and a first supporting portion, the side rail is disposed around an edge of the bottom plate, the bottom plate and the side rail are coupled to define the accommodating chamber, and the first supporting portion is disposed to protrude and connected to a side of the side rail adjacent to the accommodating chamber; The battery pack further comprises a third protection piece fixedly connected to the first supporting part, the second electric connection part and the second electric connection piece are fixedly connected with the third protection piece, and the second electric connection part, the second electric connection piece, part of the third protection piece and the first supporting part are arranged in a stacked mode in the second direction so as to insulate the first supporting part, the second electric connection part and the second electric connection piece.
  9. 9. The battery pack of claim 8, wherein the second battery pack further comprises a first supporting member, a plurality of second unit cells and the insulating member are disposed on a side of the first supporting member away from the bottom plate, and the first supporting member is connected to the first supporting portion; The first supporting piece is close to one end of the insulating piece in the first direction and is provided with an avoidance groove, and the second electric connecting piece is arranged in the avoidance groove in a penetrating mode.
  10. 10. An electric device comprising the battery pack according to any one of claims 1 to 9 as an electric power supply of the electric device.

Description

Battery pack and electricity utilization device Technical Field The application relates to the technical field of batteries, in particular to a battery pack and an electric device. Background The new energy automobile replaces the traditional fuel oil automobile, has important significance for improving the problems of energy and pollution and the like faced by the global transportation industry, and is also a trend. With the rapid development of new energy industry, battery packs with high capacity, long cycle life and high safety performance are widely applied and developed, and meanwhile, the demand for battery packs with larger capacity, durability and safety is urgent. Structural stability is one of the core properties of the battery pack, and therefore, how to improve the structural stability of the battery pack is a problem to be solved. Disclosure of utility model The embodiment of the application provides a battery pack and an electric device so as to ensure the overall structural stability of the battery pack. In order to solve the technical problems, the embodiment of the application discloses the following technical scheme: In one aspect, a battery pack is provided having perpendicular first and second directions, comprising: The box body is provided with a containing cavity; The box cover is connected to one side of the box body in the second direction; The first battery pack comprises a plurality of first single batteries and a first output row, wherein the plurality of first single batteries and the first output row are arranged in the accommodating cavity, and the first output row is electrically connected with the plurality of first single batteries; The second battery pack is arranged close to the case cover relative to the first battery pack and comprises a plurality of second single batteries and a second output row, wherein the plurality of second single batteries and the second output row are arranged in the accommodating cavity and are electrically connected with the plurality of second single batteries; An insulating member disposed in the accommodating chamber and extending along the second direction, the insulating member disposed at one side of the second battery pack in the first direction, and The first electric connecting piece is electrically connected with the first output row and the second output row respectively, and the first electric connecting piece and the second output row are fixedly connected with the insulating piece. In addition to or in lieu of one or more of the features disclosed above, the first electrical connector includes a connector body and a first electrical connection portion, the first electrical connection portion being connected to a side of the connector body proximate the insulator in a first direction, a portion of the connector body extending in a second direction; The first electric connection part and the second output row are electrically connected at the insulating part, and the first electric connection part and the second output row are fixedly connected with the insulating part. In addition to or in lieu of one or more of the features disclosed above, the battery pack also has a third orientation, the first orientation, the second orientation, and the third orientation being perpendicular to each other; The connecting body comprises a first sub-connecting part and a second sub-connecting part, wherein the first sub-connecting part extends along a third direction, the second sub-connecting part extends along a second direction, the first sub-connecting part is arranged on one side, close to the first electric connecting part, of the second sub-connecting part in the second direction, and the second sub-connecting part is connected with the first electric connecting part through the first sub-connecting part. In addition to or in lieu of one or more of the features disclosed above, the second output row is provided with a first fixing hole, and the first electrical connection portion is provided with a second fixing hole; the battery pack also comprises a first locking piece, wherein the first locking piece penetrates through the first fixing hole and the second fixing hole and is fixedly connected with the insulating piece so as to fix the second output row and the first electric connecting part. In addition to or in lieu of one or more of the features disclosed above, the battery pack also includes a first guard member overlying the outer surface of the first electrical connection and a second guard member overlying the outer surface of the connection body. In addition to or in lieu of one or more of the features disclosed above, the battery pack further includes a second electrical connector disposed on a side of the first battery pack in the first direction proximate the first electrical connector, the second electrical connector being electrically connected to the first output row; The first electric connecting piece further comprises a