CN216120630U - Battery pack - Google Patents

Abstract

The utility model relates to the technical field of batteries, and provides a battery pack, which comprises: a body; the output end protection support is installed on the body and provided with a first clamping portion, a first orthographic projection of the first clamping portion on the body is located in a second orthographic projection of the output end protection support on the body, or a recess is formed in the circumferential outer surface of the output end protection support, the first clamping portion is located in the recess, and one side, facing the circumferential outer surface of the output end protection support, of the first clamping portion and the surface where the recess is located and is close to the opening of the circumferential outer surface of the output end protection support are arranged at intervals; the reinforcing piece, the reinforcing piece is located one side that the body was kept away from to output protection support, and the reinforcing piece is provided with second joint portion, and first joint portion and the joint of second joint portion not only can guarantee the reliable joint of second joint portion on first joint portion and the reinforcing piece, and can avoid the too big problem of reinforcing piece size.

Description

Battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery pack.

Background

In the related art, the output end protection support of the wire harness board assembly is used for protecting the output end of the wire harness board assembly. The cooperation has the reinforcing plate in order to realize the protection to the connector on the output protection support, however, because the connected mode restriction, the connection stability of output protection support and reinforcing plate is relatively poor.

Disclosure of Invention

The utility model provides a battery pack to improve the performance of the battery pack.

The present invention provides a battery pack including:

a body;

the output end protection support is installed on the body and provided with a first clamping portion, a first orthographic projection of the first clamping portion on the body is located in a second orthographic projection of the output end protection support on the body, or a recess is formed in the circumferential outer surface of the output end protection support, the first clamping portion is located in the recess, and one side, facing the circumferential outer surface of the output end protection support, of the first clamping portion and the surface where the recess is located and is close to the opening of the circumferential outer surface of the output end protection support are arranged at intervals;

the reinforcing piece is located one side that the body was kept away from to output protection support, and the reinforcing piece is provided with second joint portion, first joint portion and second joint portion joint.

The battery pack comprises a body, an output end protection support and a reinforcing piece, wherein the output end protection support is arranged on the body, and the reinforcing piece is clamped on the output end protection support. The first clamping portion of the output end protection support does not protrude out of the circumferential outer surface of the output end protection support, so that the first clamping portion and the second clamping portion on the reinforcing piece can be reliably clamped, the problem that the size of the reinforcing piece is too large can be avoided, and the performance of the battery pack is improved.

Drawings

For a better understanding of the present disclosure, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art. Further, in the drawings, like reference characters designate the same or similar parts throughout the several views. Wherein:

fig. 1 is a partial structural schematic view of a battery pack according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating a partial structure of a battery pack according to an exemplary embodiment;

fig. 3 is a schematic diagram illustrating a first perspective of an output protective bracket of a battery pack according to an exemplary embodiment;

fig. 4 is a schematic diagram illustrating a second perspective of an output protective bracket of a battery pack according to an exemplary embodiment;

fig. 5 is a schematic diagram illustrating a third perspective of an output protective bracket of a battery pack according to an exemplary embodiment;

fig. 6 is a schematic diagram illustrating a fourth perspective of an output protective bracket of a battery pack according to an exemplary embodiment.

The reference numerals are explained below:

10. a body; 20. an output end protection support; 21. a first clamping part; 22. a bottom wall; 221. a second via section; 23. a side wall; 231. a first via section; 24. reinforcing ribs; 25. an interference portion; 30. a reinforcement member; 31. a second clamping part; 40. a connector; 41. a wiring port; 50. and (7) a cover plate.

Detailed Description

The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.

In the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, reference to "the" object or "an" object is also intended to mean one of many such objects possible.

The terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, an electrical connection, or a signal connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood by those skilled in the art as the case may be.

Further, in the description of the present disclosure, it is to be understood that the directional words "upper", "lower", "inner", "outer", etc., which are described in the exemplary embodiments of the present disclosure, are described at the angles shown in the drawings, and should not be construed as limiting the exemplary embodiments of the present disclosure. It will also be understood that, in this context, when an element or feature is referred to as being "on", "under", or "inner", "outer" with respect to another element(s), it can be directly on "," under ", or" inner "," outer "with respect to the other element(s), or indirectly on", "under", or "inner", "outer" with respect to the other element(s) via intervening elements.

An embodiment of the present invention provides a battery pack, referring to fig. 1 to 6, the battery pack including: a body 10; the output end protection support 20 is installed on the body 10, the output end protection support 20 is provided with a first clamping portion 21, a first orthographic projection of the first clamping portion 21 on the body 10 is located in a second orthographic projection of the output end protection support 20 on the body 10, or a recess is formed in the circumferential outer surface of the output end protection support 20, the first clamping portion 21 is located in the recess, and one side, facing the circumferential outer surface of the output end protection support 20, of the first clamping portion 21 and the surface where an opening of the recess, close to the circumferential outer surface of the output end protection support 20, is located at intervals; the reinforcing member 30, the reinforcing member 30 is located the one side that the body 10 was kept away from to output protection support 20, and the reinforcing member 30 is provided with second joint portion 31, first joint portion 21 and the joint of second joint portion 31.

The battery pack of one embodiment of the present invention includes a body 10, an output end protection support 20, and a reinforcement member 30, wherein the output end protection support 20 is mounted on the body 10, and the reinforcement member 30 is fastened to the output end protection support 20. The first clamping portion 21 of the output end protection support 20 is not protruded out of the circumferential outer surface of the output end protection support 20, so that the first clamping portion 21 and the second clamping portion 31 on the reinforcing part 30 can be reliably clamped, the problem that the reinforcing part 30 is too large in size can be avoided, and the performance of the battery pack is improved.

It should be noted that a first orthographic projection of the first clamping portion 21 on the body 10 is located in a second orthographic projection of the output end protection support 20 on the body 10, that is, there is no intersecting portion between a circumferential outer edge of the first orthographic projection and a circumferential outer edge of the second orthographic projection. The circumference surface of output protection support 20 is provided with the subsides, first joint portion 21 is towards one side of the circumference surface of output protection support 20 and the sunken opening place face interval setting that is close to the circumference surface of output protection support 20, be about to the sunken opening place face that is close to the circumference surface of output protection support 20 is connected with the circumference surface of output protection support 20 and forms the circumference surface of presetting of output protection support 20, the circumference outward flange of the first orthographic projection of first joint portion 21 on body 10 is located the orthographic projection of the circumference surface of presetting of output protection support 20 on body 10. The above-mentioned mode of setting is all in order to avoid the protruding output of first joint portion 21 of output protection support 20 to protect the circumference surface setting of support 20 to guarantee the reliable joint of first joint portion 21 and second joint portion 31, and can avoid reinforcement 30 in order to set up second joint portion 31 and the problem of increasing the size deliberately.

In one embodiment, the battery pack is a battery module or a battery pack.

The battery module includes a plurality of batteries, and the body 10 may include end plates and side plates for fixing the plurality of batteries, and the output terminal protective support 20 may be provided on the end plates. In some embodiments, the output end shield support 20 may be provided on a side plate.

The battery pack includes a plurality of batteries and a battery case for fixing the plurality of batteries, the body 10 may be a battery case, and the output terminal protection support 20 may be provided on the battery case. In some embodiments, the body 10 may also include an end plate on which the output end shield support 20 may be disposed.

It should be noted that, the battery pack includes a plurality of batteries, and a plurality of batteries are disposed in the box body. Wherein, a plurality of batteries can form and install in the box behind the battery module, and at this moment, the battery module can be including the end plate and the curb plate of fixed a plurality of batteries, and output protection support 20 sets up on the end plate. Or, a plurality of batteries can be directly arranged in the box body, that is, the plurality of batteries do not need to be grouped, at this time, the end plate and the side plate can be removed, that is, the output end protection support 20 is installed on the box body.

The battery includes a cell and an electrolyte, and a minimum unit capable of performing an electrochemical reaction such as charge/discharge. The battery cell refers to a unit formed by winding or laminating a stack including a first electrode, a separator, and a second electrode. When the first electrode is a positive electrode, the second electrode is a negative electrode. Wherein the polarities of the first electrode and the second electrode can be interchanged. The battery core is arranged in the battery shell.

The battery pack further comprises a wire harness board assembly, a conductive piece is arranged on the wire harness board assembly, the conductive piece is provided with an output end for transmitting electric energy or electric signals to the outside, and the output end protection support 20 is used for protecting the output end and the signal acquisition output end of the conductive piece, so that the reliability of the output end is guaranteed.

In one embodiment, the first clamping portion 21 and the second clamping portion 31 may be a protrusion and groove matching structure, or the first clamping portion 21 and the second clamping portion 31 may be a protrusion and through hole matching structure, or the first clamping portion 21 and the second clamping portion 31 may be a protrusion and protrusion matching structure, such as a snap and a snap matching structure.

In one embodiment, one of the first and second clamping portions 21 and 31 is a snap, and the other is a mounting space, and the snap is clamped in the mounting space, so as to securely connect the reinforcing member 30 to the output-end protection support 20. The mounting space can be a containing structure such as a groove or a through hole. In some embodiments, the first clamping portion 21 is a buckle, and the buckle can be disposed in the recess of the output end protection support 20, or the buckle can be disposed on the top end of the output end protection support 20, and the second clamping portion 31 is an installation space located inside the reinforcing member 30, so as to ensure the connection stability, and due to the arrangement position of the buckle, the problem that the size of the reinforcing member 30 is too large can be avoided.

In some embodiments, the first clamping portion 21 is an installation space, the installation space may be disposed in the recess of the output end protection support 20, such as a groove or a through hole is disposed on a plate body located in the recess, or the installation space may be disposed on a structure on the top end of the output end protection support 20, the second clamping portion 31 is a buckle, the buckle may be located inside the reinforcing member 30, or the buckle may also protrude out of the circumferential outer surface of the reinforcing member 30, and since the first clamping portion 21 is located inside, the size of the reinforcing member 30 may not be too large.

In one embodiment, the first engaging portion 21 is a buckle, the second engaging portion 31 is a through hole, and the buckle is engaged with the through hole, so as to ensure that the reinforcing member 30 is securely connected to the output end protection support 20.

In one embodiment, the first clamping portion 21 and the second clamping portion 31 can be at least two, and the first clamping portion 21 and the second clamping portion 31 are arranged in a one-to-one correspondence manner, so as to ensure that the reinforcing member 30 is reliably connected to the output end protection support 20.

In one embodiment, as shown in fig. 3 and 4, the output end protection holder 20 comprises a bottom wall 22 and a side wall 23, and the recess comprises a first through hole section 231 on the side wall 23, i.e. the first through hole section 231 is formed on the side wall 23 to ensure that the output end protection holder 20 does not protrude beyond the circumferential outer surface of the output end protection holder 20.

First joint portion 21 may be located partly in first through-hole section 231, or first joint portion 21 may not all be located in first through-hole section 231, and the distance between first joint portion 21 and the circumference surface of output terminal protection support 20 is bigger promptly.

In one embodiment, as shown in fig. 4, the recess comprises a second through-hole section 221 located on the bottom wall 22; wherein, a part of buckle is located second through-hole section 221, can make the distance between first joint portion 21 and the circumference surface of output end protection support 20 great to can suitably reduce the size of reinforcement 30, perhaps make the position that sets up of second joint portion 31 more lean on the inboard.

In one embodiment, the top end of the snap protruding sidewall 23 is provided so as to be easily inserted into the through hole of the reinforcement 30. In some embodiments, it is not excluded that the snap is arranged below the top end of the side wall 23, which is achieved when the specific connection requires a portion of the reinforcement 30 to be located inside the output-end protection seat 20.

In one embodiment, the bottom end of the output-end-protecting support 20 may be provided with an interference portion 25, and the interference portion 25 is inserted into the body 10. The number of the interference portions 25 may be at least two, and the structures of the at least two interference portions 25 may be identical structures or non-identical structures, as shown in fig. 5 and 6. The specific structure of the interference portion 25 is not limited herein.

It should be noted that the output end protection support 20 includes a bottom end, a top end and a circumferential outer surface, the bottom end of the output end protection support 20 can be attached to the body 10, the top end of the output end protection support 20 is the end far away from the body 10, and the circumferential outer surface of the output end protection support 20 is arranged around the bottom end and the top end, so that the bottom end, the top end and the circumferential outer surface form the outer surface of the output end protection support 20.

In one embodiment, as shown in fig. 3 to 6, a plurality of ribs 24 are provided on the inner side of the output-side protective support 20, so as to improve the strength of the output-side protective support 20 and prevent the output-side protective support 20 from being damaged.

The reinforcing rib 24 may be a plate or a rod, and is not limited herein as long as it is ensured to increase the strength of the output-end protection support 20. The plurality of ribs 24 may or may not have the same structure, and are not limited herein.

In some embodiments, the bottom wall 22 and the side wall 23 of the outlet protection support 20 may be provided with separate stiffening ribs 24.

In some embodiments, as shown in fig. 3, the ribs 24 connect the bottom wall 22 and the side wall 23, i.e. one rib 24 can connect both the bottom wall 22 and the side wall 23, thereby further enhancing the strength of the outlet-side protective holder 20.

In one embodiment, as shown in fig. 1 and 2, the battery pack further includes: the connector 40, the connector 40 is set up on the protective support 20 of the carry-out terminal, the reinforcement 30 is pressed on the connector 40; wherein the extending direction of the wire connection port 41 of the connector 40 is parallel to the stacking direction of the battery pack, and the connector 40 abuts against the at least one reinforcing rib 24, thereby preventing the connector 40 from moving inward when the connector 40 is connected to the wire connection port 41.

The connector 40 is provided with an FPC (flexible Printed circuit), the connector 40 may be soldered to the FPC, and the reinforcement member 30 may be bonded to the FPC. The reinforcing member 30 in this embodiment is indirectly pressed against the connector 40, that is, an FPC is provided between the connector 40 and the reinforcing member 30.

It should be noted that the direction in which the plurality of cells of the battery module are sequentially arranged is the stacking direction of the battery module. The extending direction of the wire connection port 41 of the connector 40 is parallel to the stacking direction of the battery packs, i.e., the wire connection port 41 of the connector 40 is arranged flat.

In some embodiments, the extending direction of the wire connection port 41 of the connector 40 may be perpendicular to the stacking direction of the battery packs, i.e., the wire connection port 41 of the connector 40 is disposed side-out.

It should be noted that the terminal opening 41 of the connector 40 is arranged to be flat, and the output-side protection holder 20 can be designed to be shorter than the terminal opening 41 of the connector 40 arranged to be laterally arranged, so that the occupied height of the end plate can be reduced.

In one embodiment, as shown in fig. 1, there are at least two first clamping parts 21, and there are at least two second clamping parts 31, and the battery pack further includes: the apron 50, apron 50 cover reinforcement 30, and apron 50 is located between two first joint portions 21, and first joint portion 21 can realize the reliable location to apron 50 promptly to make things convenient for apron 50's connection, with this packaging efficiency who improves apron 50. The cover plate 50 may be attached to the body 10 by means of an adhesive or staples, and a portion of the cover plate 50 is pressed against the reinforcement 30.

It should be noted that the output end protection support 20 may be a high voltage output end protection support, and the high voltage output end protection support 20 is used for protecting an output end of a conductive piece, and it is worth mentioning that the conductive piece is used for transmitting electric energy of the battery pack to the outside of the battery pack. The output end protection support 20 may also be a low voltage output end protection support, and the low voltage output end protection support is used for protecting an output end of the signal acquisition line, and it is worth explaining that the signal acquisition line is used for transmitting parameters such as the temperature of the battery pack to the outside of the battery pack in the form of electric signals, and in some embodiments, the output end of the signal acquisition line further includes a low voltage connector, and the low voltage connector is arranged on the output end protection support 20. A plurality of output end protection supports 20 may be provided on the body 10.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. A battery pack, comprising:

a body (10);

the output end protection support (20), the output end protection support (20) is installed on the body (10), the output end protection support (20) is provided with a first clamping portion (21), a first orthographic projection of the first clamping portion (21) on the body (10) is located in a second orthographic projection of the output end protection support (20) on the body (10), or a circumferential outer surface of the output end protection support (20) is provided with a recess, the first clamping portion (21) is located in the recess, and one side, facing the circumferential outer surface of the output end protection support (20), of the first clamping portion (21) and a surface, close to the opening of the circumferential outer surface of the output end protection support (20), of the recess are arranged at intervals;

reinforcing piece (30), reinforcing piece (30) are located output protection support (20) are kept away from one side of body (10), reinforcing piece (30) are provided with second joint portion (31), first joint portion (21) with second joint portion (31) joint.

2. The battery pack according to claim 1, wherein one of the first and second catching portions (21, 31) is a catch, and the other is an installation space.

3. The battery pack according to claim 2, wherein the first snap-fit portion (21) is a snap-fit, and the second snap-fit portion (31) is a through hole.

4. Battery pack according to claim 3, characterized in that the output end protection seat (20) comprises a bottom wall (22) and a side wall (23), the recess comprising a first through hole section (231) on the side wall (23).

5. The battery according to claim 4, wherein the recess comprises a second through-hole section (221) on the bottom wall (22);

wherein a portion of the catch is located within the second through-hole section (221).

6. Battery according to claim 5, characterised in that said snap is arranged protruding from the top end of said side wall (23).

7. Battery pack according to claim 4, characterised in that the inside of the output-side protective bearing (20) is provided with a plurality of stiffening ribs (24).

8. Battery according to claim 7, characterized in that said reinforcement ribs (24) connect said bottom wall (22) and said side walls (23).

9. The battery pack according to claim 7 or 8, characterized in that the battery pack further comprises:

a connector (40), the connector (40) being arranged on the output-side protective support (20), the reinforcement (30) being pressed onto the connector (40);

wherein the extension direction of the wire connection port (41) of the connector (40) is parallel to the stacking direction of the battery pack, and the connector (40) abuts against at least one of the reinforcing ribs (24).

10. The battery pack according to any one of claims 3 to 8, wherein the first catching portions (21) are at least two, and the second catching portions (31) are at least two, the battery pack further comprising:

the cover plate (50) covers the reinforcing piece (30), and the cover plate (50) is located between the two first clamping portions (21).

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