CN217903345U - Lithium battery pack - Google Patents

Abstract

The utility model provides a lithium battery pack, include: the battery pack and the adapter plate are arranged at one end of the battery pack; the buffer member is arranged on the periphery of the battery pack. The utility model discloses a buffer layer covers the keysets, and when the group battery received the impact of external force, external force was strikeed and is being cushioned at the in-process through the buffer layer, has reduced the impact force to the injury that causes of butt joint board, and the buffer layer also has the effect fixed to butt joint board simultaneously, prevents that the group battery from taking place to rock at the removal in-process, and then strengthens the security of group battery.

Description

Lithium battery pack

Technical Field

The utility model relates to a lithium battery technology field, concretely relates to lithium battery pack.

Background

Lithium ion batteries have become the most widely used power energy at present due to their environmental protection and energy saving properties, and lithium ion battery packs composed of a plurality of single batteries connected in series or in parallel or in series and parallel have become more and more widely used as power supply energy sources to be applied to various fields due to their high capacity and high rate discharge properties.

At present, most of battery packs are connected through the adapter plate and widely applied to various production works, the battery packs can frequently discharge heavy current during work, excessive vibration can cause certain damage to the adapter plate during discharge, the battery packs can shake due to jolting during moving, and the battery packs shake to cause damage to the adapter plate.

In view of the above, it is necessary to provide a technical solution to the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a lithium cell group, thereby solve above-mentioned lithium cell group structure and remove the in-process or receive too big vibrations, easily cause the injury to the fishplate bar thereby the problem of not being convenient for to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lithium battery pack comprising:

the battery pack and the adapter plate are arranged at one end of the battery pack;

the buffer member is arranged on the periphery of the battery pack.

As an improvement of lithium cell group still includes the spacer, the spacer is located the keysets with between the group battery, the spacer is the insulating piece, is used for preventing the group battery short circuit.

As an improvement of lithium cell group, the buffer layer forms has the open-ended chamber that holds, the keysets is located hold in the chamber.

As an improvement of the lithium battery pack, the adapter plate includes a straight portion and a connecting portion, the connecting portion are located straight portion top, the connecting portion are located in the opening, connecting portion one end along the opening is outside protruding.

As an improvement of lithium cell group, the buffer layer is formed with a plurality of appearance chambeies, the positive negative pole ear of group battery is equallyd divide and is do not lie in corresponding with it hold the intracavity, and with the buffer layer laminating.

As an improvement of the lithium battery pack, the accommodating cavity comprises a first accommodating cavity and a second accommodating cavity, and the first accommodating cavity and the second accommodating cavity are arranged at intervals.

As an improvement of lithium cell group, the spacer includes base member and convex body, the base member is separated the positive negative pole ear of group battery, the convex body has a plurality ofly, just the group battery comprises a plurality of battery cells, and is a plurality of the convex body all inserts between the battery cell.

As an improvement of the lithium battery pack of the present invention, the first chamber is communicated with the accommodating chamber.

As an improvement of the lithium battery pack, the buffer layer is made of silica gel.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1) The utility model discloses a buffer layer covers the keysets, when the group battery received the impact of external force, external force impacted the in-process through the buffer layer and cushioned, has reduced the impact force to the injury that causes of butt joint board, and the buffer layer also has the effect fixed to the butt joint board simultaneously, prevents that the group battery from taking place to rock at the removal in-process, and then strengthens the security of group battery.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a lithium battery pack provided by the present invention.

Fig. 2 is an explosion diagram of a lithium battery pack provided by the present invention.

Fig. 3 is a schematic view of a three-dimensional structure of a spacer of a lithium battery pack provided by the present invention.

Fig. 4 is a schematic view of a three-dimensional structure of a buffer layer of a lithium battery pack provided by the present invention.

Fig. 5 is a schematic view of a three-dimensional structure of an adapter plate of a lithium battery pack provided by the present invention.

In the figure: 1-battery pack, 101-battery pack, 102-adapter plate, 1021-straight part, 1022-connecting part, 2-buffer layer, 3-spacer, 301-base, 302-convex body, 4-first cavity and 5-second cavity.

Detailed Description

In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantageous effects will be described in further detail below with reference to the accompanying drawings of the detailed description and the specification, but the present invention is not limited thereto.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

As shown in fig. 1 to 5, a lithium battery pack 101 includes a battery pack 101 assembly 1 and a buffer layer 2, the buffer layer 2 is disposed on the battery pack 101 assembly 1, the battery pack 101 assembly 1 includes a battery pack 101 and an interposer 102, the battery pack 101 is composed of a plurality of single batteries, the interposer 102 is disposed on the battery pack 101, and the interposer 102 is wrapped by the buffer layer 2; the utility model discloses a buffer layer 2 covers keysets 102, and the impact of external force can cushion through buffer layer 2, reduces the injury to keysets 102, and then strengthens group battery 101's security.

More preferably, the battery pack further comprises a spacer 3, the spacer 3 is located between the adapter plate 102 and the battery pack 101, and the spacer 3 is a PC insulating sheet for preventing the battery pack 101 from short circuit.

More preferably, the buffer layer 2 forms a receiving cavity with an opening, and the interposer 102 is located in the receiving cavity.

More preferably, the interposer 102 includes a straight portion 1021 and a connecting portion 1022, the connecting portion 1022 is located on the top of the straight portion 1021, the connecting portion 1022 is located in the opening, and one end of the connecting portion 1022 protrudes outwards along the opening to facilitate connection of the wiring harness of the connecting portion 1022.

More preferably, the buffer layer 2 is formed with a plurality of cavities, and the positive and negative lugs of the battery pack 101 are respectively located in the cavities corresponding thereto and attached to the buffer layer 2; the positive and negative ears of the single battery are wrapped by the buffer layer 2, so that the short circuit is further prevented.

More preferably, the cavities include a first cavity 4 and a second cavity 5, the first cavity 4 and the second cavity 5 are linearly arranged and uniformly spaced, and tabs of the battery pack 101 are respectively located in the first cavity 4 and the second cavity 5.

More preferably, the separator 3 includes a base 301 and a plurality of protrusions 302, the base 301 separates positive and negative ears of the battery pack 101, the plurality of protrusions 302 are provided, the battery pack 101 is composed of a plurality of single batteries, and the plurality of protrusions 302 are inserted between the single batteries; the unit cells are separated, short circuits caused by collision among the unit cells are prevented, and the safety of the battery pack 101 is improved.

More preferably, the first housing 4 communicates with the receiving chamber.

More preferably, buffer layer 2 is made for silica gel, after group battery 101 goes into the shell, fill liquid silica gel toward group battery 101 head, make liquid silica gel cover keysets 102, form buffer layer 2 after the liquid silica gel solidification, and liquid silica gel's insulating nature is strong, consequently wrap up keysets 102 through buffer layer 2, can effectively prevent to take place the short circuit, liquid silica gel still has stronger mechanical strength simultaneously, can effectual protection electronic components, so buffer layer 2 can reduce the impact that keysets 102 received, reach absorbing effect.

The following description is made with reference to specific examples: the utility model discloses a buffer layer 2 covers keysets 102, and the impact of external force can cushion through buffer layer 2, reduces the injury to keysets 102, and then strengthens the security of group battery 101; the connecting part 1022 for connecting the battery signal is positioned outside the buffer layer 2 through the opening, so that the connecting part 1022 can be connected with the wiring harness conveniently; the buffer layer 2 is formed by solidifying liquid silica gel, so that the buffer layer has high insulativity, and the adapter plate 102 is wrapped by the buffer layer 2, so that the short circuit of the adapter plate 102 can be effectively prevented while the adapter plate 102 is protected from being damaged by external force impact; meanwhile, the liquid silica gel has high mechanical strength and can effectively protect electronic components, so that the buffer layer 2 can reduce the impact received by the adapter plate 102 and achieve the shock absorption effect.

Variations and modifications to the above-described embodiments may become apparent to those skilled in the art based upon the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (9)

1. A lithium battery pack, comprising:

the battery pack and the adapter plate are arranged at one end of the battery pack;

a buffer layer disposed at a periphery of the battery assembly.

2. The lithium battery pack of claim 1, further comprising a spacer, wherein the spacer is located between the interposer and the battery pack, and the spacer is an insulating sheet for preventing short circuit of the battery pack.

3. The lithium battery pack according to claim 1, wherein the buffer layer forms a containing cavity with an opening, and the adapter plate is positioned in the containing cavity.

4. A lithium battery pack according to claim 3, characterized in that the adapter plate comprises a flat portion and a connecting portion, the connecting portion being located at the top of the flat portion, the connecting portion being located in the opening, one end of the connecting portion protruding outwards along the opening.

5. The lithium battery pack according to claim 3, wherein the buffer layer is formed with a plurality of cavities, and positive and negative electrode tabs of the battery pack are respectively located in the corresponding cavities and attached to the buffer layer.

6. The lithium battery pack according to claim 5, wherein the cavities comprise a first cavity and a second cavity, and the first cavity and the second cavity are arranged at intervals.

7. A lithium battery according to claim 2, characterized in that the separator comprises a substrate and a plurality of protrusions, the substrate separates positive and negative ears of the battery, and the battery comprises a plurality of single batteries, and the plurality of protrusions are inserted between the single batteries.

8. The lithium battery pack of claim 6, wherein the first cavity is in communication with the receiving cavity.

9. The lithium battery pack of claim 1, wherein the buffer layer is formed of a silicone gel.

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