CN223156142U - Soft package lithium battery - Google Patents

Abstract

The utility model relates to the technical field of lithium batteries, and in particular to a soft-pack lithium battery, comprising a lithium battery body for providing electric energy and a protective film for preventing scratches, wherein the outer side of the lithium battery body is fixedly connected with the protective film, a buffer component is arranged on the outer side of the protective film, and the buffer component comprises a rubber shell, a groove, a sponge block and an elastic block, a rubber shell is arranged on the outer side of the protective film, a plurality of grooves are provided in the rubber shell, a sponge block is arranged in the groove provided in the rubber shell, and an elastic block for increasing elasticity is arranged in the sponge block, a heat dissipation component is arranged on one side of the rubber shell, the heat dissipation component comprises a heat sink, a fixed block and a heat-conducting copper tube, and through holes are arranged on the left and right sides of the rubber shell. In the utility model, by arranging the buffer component on the outer side of the lithium battery body, the lithium battery body has a buffering and anti-collision effect when subjected to external force or impact, and by arranging the heat dissipation component, the lithium battery body has a heat dissipation effect.

Description

Soft package lithium battery

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a soft-package lithium battery.

Background

The soft package lithium battery is generally a lithium battery with an aluminum-plastic composite film packaged shell, and the soft package lithium battery can only be blown to crack at most under the condition of potential safety hazard, and has the advantages of light weight, low mold opening cost, high safety and the like, so that the market share of the soft package lithium battery is gradually expanding.

The outermost side of the soft package lithium battery is usually provided with a protective film made of PET (polyethylene terephthalate) material, and due to the lack of a protective structure, the battery capacity can be reduced, even serious consequences such as short circuit, leakage or ignition can be caused when the soft package lithium battery is extruded or impacted by external force, if the protective shell is directly added on the outer side, the heat dissipation effect can be poor, so that the heat of the lithium battery is not easy to dissipate, and therefore, the soft package lithium battery is provided for the problems.

Disclosure of utility model

The utility model aims to provide a soft-package lithium battery so as to solve the problems of lack of a protective structure and inconvenience in heat dissipation due to the addition of a protective shell.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a soft packet of lithium cell, is including the lithium cell main part that is used for providing the electric energy and the protection film that is used for the scratch prevention, lithium cell main part outside fixedly connected with protection film, the protection film outside is equipped with buffer assembly, buffer assembly includes rubber shell, recess, sponge piece and elastic block, the protection film outside is equipped with the rubber shell, a plurality of recess has been seted up in the rubber shell, be equipped with the sponge piece in the recess of seting up in the rubber shell, be equipped with in the sponge piece and be used for increasing elastic block, rubber shell one side is equipped with the radiator unit, the radiator unit includes fin, fixed block and heat conduction copper pipe, the through-hole has been seted up to rubber shell left and right sides, be equipped with the heat conduction copper pipe in the through-hole of seting up in the rubber shell.

Preferably, the inside fixedly connected with fin of rubber shell, the one end of heat conduction copper pipe runs through the fin until laminating with the lithium cell main part.

Preferably, the protection film outside fixedly connected with fixed block, fixed block and heat conduction copper pipe fixed connection, the fin is run through to the one end of fixed block.

Preferably, a dustproof component is arranged on one side of the heat conduction copper pipe, and the dustproof component comprises a rubber sleeve, an extension block and a dustproof net.

Preferably, the outside of the heat conduction copper pipe is tightly attached with a rubber sleeve, a dustproof net is fixedly connected inside one side of the rubber sleeve, an extension block which is flexibly arranged is fixedly connected outside the rubber sleeve, and the extension block is tightly attached with the rubber shell.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the buffer effect is achieved through the arranged lithium battery main body, the protective film, the buffer component, the rubber shell, the groove, the sponge block and the elastic block, the groove is formed, the sponge block is additionally arranged in the groove, the overall elasticity of the rubber shell is further improved, the buffer effect is further improved, the anti-collision purpose is achieved, the elastic block is arranged in the sponge block, the elasticity of the sponge block is increased, the heat dissipation component, the radiating fin, the fixing block, the heat conduction copper pipe and the through hole are arranged, one end of the heat conduction copper pipe is attached to the lithium battery main body, heat generated by the lithium battery main body can be dissipated through one end of the heat conduction copper pipe and circulated with external air, the heat dissipation is further achieved, the radiating fin can effectively dissipate heat of the protective film, dust in the external air is not easy to enter the lithium battery main body through the arranged dustproof component, the rubber sleeve, the extension block and the dustproof net are in a detachable state, the dust in the external air is convenient to clean after the dustproof net is detached, and the rubber sleeve can be assisted to a user to take down the dustproof net through the flexibly arranged extension block.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a rubber shell according to the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic diagram of the structure of fig. 2B according to the present utility model.

The lithium battery comprises a lithium battery body, a protective film, a buffer component, a rubber shell, a groove, a sponge block, a flexible block, a heat dissipation component, a heat dissipation sheet, a fixing block, a heat conduction copper pipe, a through hole, a dustproof component, a rubber sleeve, a lengthening block, a dustproof net and a connecting rod, wherein the lithium battery body, the protective film, the buffer component, the rubber shell, the groove, the sponge block, the elastic block, the sponge block, the heat dissipation component, the heat dissipation sheet, the fixing block, the heat dissipation sheet, the fixing block, the heat conduction copper pipe, the heat dissipation device and the dustproof net are respectively arranged in the specification.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

Referring to fig. 1-4, the present utility model provides a technical solution:

The utility model provides a soft packet of lithium cell, including being used for providing the lithium cell main part 1 of electric energy and be used for the protection film 2 of scratch prevention, the protection film 2 outside fixedly connected with protection film 2, the protection film 2 outside is equipped with buffer assembly 3, buffer assembly 3 includes rubber shell 31, recess 32, sponge piece 33 and elastic block 34, the protection film 2 outside is equipped with rubber shell 31, a plurality of recess 32 has been seted up in the rubber shell 31, be equipped with sponge piece 33 in the recess 32 of seting up in the rubber shell 31, be equipped with in the sponge piece 33 and be used for increasing elastic block 34, rubber shell 31 one side is equipped with radiator unit 4, radiator unit 4 includes fin 41, fixed block 42 and heat conduction copper pipe 43, through-hole 5 has been seted up to rubber shell 31 left and right sides, be equipped with heat conduction copper pipe 43 in the through-hole 5 of seting up in the rubber shell 31, through the buffer assembly 3 to the setting up in the lithium cell main part 1 outside, have buffering crashproof effect when making it receive external force or striking, make lithium cell main part 1 have the radiating effect through radiator unit 4 that sets up, one end through the dustproof subassembly 6 that sets up, make heat conduction copper pipe 43 be difficult for getting into dust.

The inner side of the rubber shell 31 is fixedly connected with a radiating fin 41, one end of a heat conducting copper pipe 43 penetrates through the radiating fin 41 until being attached to the lithium battery main body 1, so that heat dissipation of the lithium battery main body 1 is facilitated, the outer side of the protective film 2 is fixedly connected with a fixing block 42, the fixing block 42 is fixedly connected with the heat conducting copper pipe 43, one end of the fixing block 42 penetrates through the radiating fin 41, so that the heat conducting copper pipe 43 is convenient to fix, one side of the heat conducting copper pipe 43 is provided with a dustproof assembly 6, the dustproof assembly 6 comprises a rubber sleeve 61, an extension block 62 and a dustproof net 63, so that dust is conveniently prevented from being carried out on one end of the heat conducting copper pipe 43, the outer side of the heat conducting copper pipe 43 is tightly attached to the rubber sleeve 61, one side of the rubber sleeve 61 is fixedly connected with a dustproof net 63, the outer side of the rubber sleeve 61 is fixedly connected with an extension block 62 which is flexibly arranged, and the extension block 62 is tightly attached to the rubber shell 31, so that the dustproof assembly 6 is convenient to detach.

The working flow is as follows: when the soft-packed lithium battery is used, firstly, the lithium battery main body 1 is placed at a proper position, then the soft-packed lithium battery is electrified, the lithium battery main body 1 generates current, so that heat is generated, as the rubber shell 31 is arranged at the outer side of the lithium battery main body 1, the radiating fin 41 is arranged between the lithium battery main body 1 and the rubber shell 31, the lithium battery main body 1 carries out preliminary heat radiation, as the lithium battery main body 1 is attached to the heat conducting copper pipe 43, the generated heat passes through the inside of the heat conducting copper pipe 43 to effectively radiate, and then is transmitted to the outer side through the dustproof net 63 to circulate with external air, the radiating effect is improved, when the dustproof net 63 is fully used for affecting air exchange by dust for a long time, a user holds the extending block 62 which is flexibly arranged, pulls the extending block 62 outwards, and as the extending block 62 is fixedly connected with the rubber sleeve 61, the rubber sleeve 61 is driven to move in the same direction until the rubber sleeve is extracted from the through hole 5, the disassembly of the dustproof assembly 6 is completed once, the dustproof net 63 can be cleaned at this time, then the cleaned dustproof net 63 is placed in situ, namely, a user plugs one end of the rubber sleeve 61 into the through hole 5 and the outer side of the heat conduction copper pipe 43, at this time, the extension block 62 is tightly attached to the lithium battery main body 1, the dustproof effect can be continuously realized, when the lithium battery main body 1 is extruded or impacted by external force, the elastic force of the rubber shell 31 is utilized to ensure that the lithium battery main body is primarily buffered when the lithium battery main body is extruded or impacted by external force, the elastic force of the rubber shell 31 is utilized to ensure that the rubber shell 31 is primarily buffered when the lithium battery main body is extruded or impacted by external force, the elastic force of the rubber shell 31 is further increased through the plurality of grooves 32 formed in the rubber shell 31 and the sponge block 33 arranged in the grooves 32, the elastic force of the sponge block 33 is utilized to ensure that the rubber shell 31 is cooperatively utilized with the buffer assembly 3 to be extruded or impacted by external force, namely, the anti-collision device has a good anti-collision effect, the buffer assembly 3 arranged on the outer side of the lithium battery main body 1 has the buffer anti-collision effect when being subjected to external force or impact, the heat dissipation assembly 4 arranged on the buffer assembly enables the lithium battery main body 1 to have the heat dissipation effect, and the dustproof assembly 6 arranged on the buffer assembly enables one end of the heat conduction copper pipe 43 not to easily enter dust.

What is not described in detail in this specification is prior art known to those skilled in the art. Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a soft packet of lithium cell, includes lithium cell main part (1) and protection film (2) that are used for providing the electric energy, its characterized in that lithium cell main part (1) outside fixedly connected with protection film (2), protection film (2) outside is equipped with buffer assembly (3), buffer assembly (3) include rubber shell (31), recess (32), sponge piece (33) and elastic block (34), protection film (2) outside is equipped with rubber shell (31), a plurality of recess (32) have been seted up in rubber shell (31), be equipped with sponge piece (33) in recess (32) of seting up in rubber shell (31), be equipped with in sponge piece (33) and be used for increasing elastic block (34), rubber shell (31) one side is equipped with radiator unit (4), radiator unit (4) are including fin (41), fixed block (42) and copper pipe (43), through-hole (5) have been seted up on the left and right sides in rubber shell (31), be equipped with in copper pipe (43) of seting up in rubber shell (31).

2. The soft package lithium battery of claim 1, wherein the inner side of the rubber shell (31) is fixedly connected with a radiating fin (41), and one end of the heat conduction copper pipe (43) penetrates through the radiating fin (41) until being attached to the lithium battery main body (1).

3. The soft package lithium battery of claim 1, wherein a fixing block (42) is fixedly connected to the outer side of the protective film (2), the fixing block (42) is fixedly connected with a heat conduction copper pipe (43), and one end of the fixing block (42) penetrates through the radiating fin (41).

4. A soft package lithium battery according to claim 1, wherein a dustproof component (6) is arranged on one side of the heat conduction copper pipe (43), and the dustproof component (6) comprises a rubber sleeve (61), an extension block (62) and a dustproof net (63).

5. The soft package lithium battery of claim 1, wherein the outer side of the heat conduction copper pipe (43) is tightly attached with a rubber sleeve (61), a dustproof net (63) is fixedly connected inside one side of the rubber sleeve (61), an extension block (62) which is flexibly arranged is fixedly connected outside the rubber sleeve (61), and the extension block (62) is tightly attached with the rubber shell (31).