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CN-224217633-U - Battery pack and electric equipment

CN224217633UCN 224217633 UCN224217633 UCN 224217633UCN-224217633-U

Abstract

The application discloses a battery pack and electric equipment, and belongs to the technical field of batteries. The box comprises a bottom plate and a first side wall, wherein the bottom plate and the first side wall are used for enclosing a containing cavity, the first side wall is provided with a first diversion cavity, a support is arranged in the containing cavity and comprises a support plate and a connecting plate which form a second diversion cavity, a first through hole communicated with the second diversion cavity is formed in the support plate, a battery unit is arranged in the containing cavity and is provided with a pressure relief part, the first through hole and the pressure relief part are correspondingly arranged, a first protruding part is arranged on one side, facing the battery unit, of the first side wall in a protruding mode along a first direction, a third diversion cavity is formed in the connecting plate, the connecting plate comprises a body part and a second protruding part, the second protruding part is arranged on one side, facing away from the bottom plate, of the first protruding part and is overlapped with the first protruding part, the body part comprises a limiting surface extending along the third direction, the second protruding part is connected to one side, facing away from the bottom plate, the limiting surface is matched with the first protruding part to limit, and the third diversion cavity is communicated with the first diversion cavity and the second diversion cavity.

Inventors

  • LI ZHU

Assignees

  • 欣旺达动力科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (10)

  1. 1. A battery pack having a first direction and a third direction perpendicular to each other, comprising: The box body comprises a bottom plate and a first side wall which are connected with each other, wherein the first side wall and the bottom plate are used for enclosing a containing cavity, and a first diversion cavity is arranged in the first side wall; The support is arranged in the accommodating cavity and comprises a supporting plate and a connecting plate which are connected with each other, the connecting plate is connected between the supporting plate and the bottom plate to form a second flow guiding cavity between the supporting plate and the bottom plate, and a first through hole communicated with the second flow guiding cavity is formed in the supporting plate; The battery unit is arranged in the accommodating cavity, a pressure relief part is arranged on one side of the battery unit, facing the supporting plate, of the battery unit, and the first through hole and the pressure relief part are correspondingly arranged; The battery pack comprises a battery cell, a first protruding portion protruding from one side of the first side wall towards the battery cell along a first direction, a third diversion cavity is formed in the first protruding portion, the connecting plate comprises a body portion and a second protruding portion protruding from one side of the body portion, the second protruding portion is connected to one side of the first protruding portion, which faces away from the bottom plate, along the third direction, the body portion comprises a limiting surface facing the first protruding portion, the limiting surface extends along the third direction, the second protruding portion is connected to one side of the limiting surface, which faces away from the bottom plate, the limiting surface is matched with the first protruding portion to limit, and the third diversion cavity is communicated with the first diversion cavity and the second diversion cavity.
  2. 2. The battery pack according to claim 1, wherein the second projection includes an end face adjacent to the first projection, the end face being connected to one side of the limit face in the third direction; The first protrusion part comprises a first surface, a second surface and a third surface which are mutually connected, wherein the first surface and the third surface are arranged at intervals and are opposite to each other along the third direction, and the second surface is connected between the first surface and the third surface; the first surface is provided with a second through hole, and the second flow guide cavity is communicated with the third flow guide cavity through the second through hole.
  3. 3. The battery pack of claim 2, wherein the first face is beveled, along the third direction, and directed from the base plate to the support plate, the first face being at an acute angle to the first side wall.
  4. 4. The battery pack according to claim 3, further comprising a second direction, wherein the first direction, the second direction and the third direction are perpendicular to each other, a first limit groove is formed in a side of the first surface facing the second protruding portion, the first limit groove is communicated with the second through hole, the first limit groove extends along the third direction, and the second protruding portion is accommodated in the first limit groove.
  5. 5. The battery pack of claim 4, wherein a second limiting groove is formed in the bottom wall of the first limiting groove, and the second limiting groove is arranged around the second through hole; The second bulge still includes spacing arch, spacing protruding connect in the terminal surface is close to one side of first face, spacing protruding edge the second direction extends, spacing protruding holding in the second spacing inslot, just spacing protruding with the cell wall joint in second spacing groove.
  6. 6. The battery pack of claim 3, wherein the first protrusion further comprises a fourth surface connected to a side of the first surface remote from the second surface, the fourth surface and the second surface being spaced apart and disposed opposite in the first direction, the fourth surface being connected to an end of the support plate.
  7. 7. The battery pack according to claim 3, wherein the number of the connecting plates is plural, the plurality of connecting plates are arranged in a second direction, and the first through holes and the connecting plates are arranged at intervals in the second direction; The first direction, the second direction and the third direction are perpendicular to each other.
  8. 8. The battery pack according to claim 4, wherein the first protrusion further comprises a stopper connected to the bottom wall of the first stopper groove, the stopper is disposed between two adjacent first stopper grooves along the second direction, the stopper is protruded from the bottom wall of the first stopper groove along the third direction, and the second protrusion is connected to the stopper.
  9. 9. The battery pack of claim 1, wherein the first through hole is a stepped hole, the battery pack further comprising a guard member, the guard member being connected to a wall of the stepped hole, the guard member being disposed between the pressure relief portion and the stepped hole.
  10. 10. A powered device comprising a battery pack according to any one of claims 1-9.

Description

Battery pack and electric equipment Technical Field The application belongs to the technical field of batteries, and particularly relates to a battery pack and electric equipment. Background With the rapid development of mobile phones, notebook computers, electric vehicles, electric tools, etc., battery packs having high capacity, long cycle life and high safety performance have been widely used and developed, and the demand for battery packs having larger capacity, more durability and safer has been urgent. In order to facilitate the exhaust of the battery pack, the exhaust support is usually arranged in the existing battery pack, but the existing exhaust support is usually arranged in a mounting mode of a box body (the box body is not provided with a bottom plate at the moment, and the upper side and the lower side of the box body are all provided with openings), so that the box body needs to be overturned once, the position of the box body, which is required to be provided with the bottom plate, is upward, the box body and the exhaust support are arranged after being mounted, the bottom plate is arranged again, and then the box body is overturned once, so that the position of the box body, which is provided with the bottom plate, can be used for carrying out operations such as battery monomer loading, and the like. Disclosure of utility model The embodiment of the application aims to provide a battery pack and electric equipment, which can solve at least part of the problems in the prior art. In order to solve the technical problems, the application is realized as follows: The embodiment of the application provides a battery pack, which comprises a box body, a bracket, a battery unit, a first protruding part, a third protruding part and a first protruding part, wherein the box body comprises a supporting plate and a connecting plate which are connected with each other, the connecting plate is connected between the supporting plate and the bottom plate to form a second diversion cavity between the supporting plate and the bottom plate, a first through hole communicated with the second diversion cavity is formed in the supporting plate, the battery unit is arranged in the containing cavity, a pressure relief part is arranged on one side of the battery unit facing the supporting plate, the first through hole and the pressure relief part are correspondingly arranged, the first protruding part is protruding towards one side of the battery unit along the first direction, the third diversion cavity is arranged in the first protruding part, the protruding part comprises a body protruding part and a connecting plate, the connecting plate is connected between the supporting plate and the bottom plate, a second diversion cavity is formed between the supporting plate and the bottom plate, a first through hole communicated with the second diversion cavity is formed in the supporting plate, the battery unit is arranged in the containing cavity, the battery unit is protruding towards one side of the supporting plate, the pressure relief part is correspondingly arranged, the first through hole is protruding towards one side of the battery unit, the first diversion cavity is protruding towards one side of the first side of the battery unit, the first diversion cavity is arranged in the first direction, the protruding part, the third diversion cavity is arranged in the first protruding part, the first protruding part along the first direction, the side of the supporting plate is connected with the first diversion unit, and the first side, the protruding part is formed between the first side, and the first side face and the first side. Optionally, in an embodiment of the present application, the second protruding portion includes an end surface near the first protruding portion, along the third direction, the end surface is connected to one side of the limiting surface, the first protruding portion includes a first surface, a second surface and a third surface that are connected to each other, along the third direction, the first surface and the third surface are spaced and oppositely arranged, the second surface is connected between the first surface and the third surface, along the third direction, at least part of the first surface and the end surface are overlapped, the second surface is attached to the limiting surface, the third surface is connected to the bottom plate, and a second through hole is formed in the first surface, and the second diversion cavity and the third diversion cavity are communicated through the second through hole. Optionally, in an embodiment of the present application, the first surface is an inclined surface, along the third direction, and points from the bottom plate to the support plate, and an included angle between the first surface and the first side wall is an acute angle. Optionally, in the embodiment of the application, the battery pack further has a second direction, the first direc