CN210092198U

CN210092198U - Lithium battery pack capable of avoiding water inflow

Info

Publication number: CN210092198U
Application number: CN201921537501.8U
Authority: CN
Inventors: 王�华
Original assignee: Suzhou Sunhai Wang Lithium Electric Co Ltd
Current assignee: Suzhou Sunhai Wang Lithium Electric Co Ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-02-18
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a lithium cell group of avoiding intaking, load the protection box including the lithium cell, the upper end fixed mounting that the lithium cell loaded the protection box has the lid, the inside of lithium cell loading protection box has been seted up and has been held the chamber, the wash port has been seted up to the corner position that the lithium cell loaded protection bottom of the box portion, the air vent has been seted up to the avris position of lid up end, the intermediate position fixed mounting who holds intracavity portion has the battery package, the inside fixed mounting of battery package has the group battery, it is fixed with insulating division board to alternate between the group battery. This avoid lithium cell group of intaking through on whole integral type hollow structure's basis, has seted up the wash port of avoiding inside group battery to intake in the bottom symmetry, has effectually increased holistic safety in utilization by a wide margin on the basis of whole inside overall structure stability, has reduced holistic use risk, and then has effectively promoted holistic result of use and working property, has enlarged holistic application scope.

Description

Lithium battery pack capable of avoiding water inflow

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell group of avoiding intaking.

Background

The lithium battery is a battery using a non-aqueous electrolyte solution and using lithium metal or lithium alloy as a negative electrode material, and the lithium battery pack is a combined type battery composed of a plurality of lithium batteries and capable of supporting higher use requirements, and is widely used in various fields due to its excellent performance.

However, most of existing lithium battery packs in the existing market have simple overall structures, and conflict with each other inside the protective housing used for protection from the outside, the overall availability efficiency of the internal space is reduced, and further the possibility of causing the battery pack to break down is improved, and the overall internal space is relatively closed, if the water inlet condition occurs in the practical application and use process of the whole battery pack, the internal water body is difficult to discharge through the self structure, the internal short circuit of the battery pack is easily caused, so that the overall use safety is relatively general, meanwhile, the positive and negative poles of the battery pack are not separated from each other, and the fault conditions such as liquid leakage are easily caused by long-term use, so that the overall use functionality is greatly limited, the overall use effect and the working performance are correspondingly reduced, and the defect of narrow overall application range is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery pack which avoids water from entering so as to solve the problems of the prior art that the overall structure is simple, conflict with the inside of the protective shell which is used for protecting the outside, the whole available efficiency of the inner space is reduced, thereby increasing the possibility of causing the failure of the battery pack, and the internal space of the whole battery pack is closed, if the water enters the whole battery pack in the practical application and use process, the internal water body is difficult to be discharged through the self-structure, the internal short circuit of the battery pack is easy to be caused, so that the integral use safety is relatively common, meanwhile, the positive electrode and the negative electrode in the battery pack are not separated, so that the fault conditions such as liquid leakage and the like are easily caused after long-term use, the integral use functionality is greatly limited, the integral use effect and the working performance are correspondingly reduced, and the integral application range is narrow.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a avoid lithium cell group of intaking, loads the protection box including the lithium cell, the upper end fixed mounting that the lithium cell loaded the protection box has the lid, the inside of lithium cell loading protection box has been seted up and has been held the chamber, the corner position that the lithium cell loaded protection bottom of the box portion has seted up the wash port, the air vent has been seted up to the avris position of lid up end, the intermediate position fixed mounting who holds the intracavity portion has the battery package, the intermediate position fixed mounting of battery package up end has the dustproof shock attenuation gib block of one-level, the avris fixed mounting of battery package has the dustproof shock attenuation gib block of second grade, the avris position fixed mounting in the battery package outside has the dustproof shock attenuation gib block of third grade, the inside fixed mounting of battery package has the group.

Preferably, the whole formula cuboid hollow structure as an organic whole of lithium cell loading protection box, and seamless connection between lithium cell loading protection box and the lid, the air vent has seted up two that the specification is the same at the avris position symmetry of lid up end.

Preferably, the drain hole is symmetrically provided with four same specifications at four corners of the bottom of the lithium battery loading protection box, the middle position of the battery pack in the accommodating cavity is in a suspended state, and two same specifications are symmetrically fixed at the middle positions of the upper end and the lower end of the battery pack by the primary dustproof damping strip.

Preferably, the two-stage dustproof damping strips are symmetrically fixed with four strips with the same specification at the left side and the right side of the outer part of the battery pack, and the three-stage dustproof damping strips are symmetrically fixed with four strips with the same specification at the inner side and the outer side of the outer part of the battery pack.

Preferably, the distance between the inner wall of the accommodating cavity and the battery pack is MM for the second-level dustproof damping strip and the distance between the third-level dustproof damping strip and the battery pack, the battery pack is composed of lithium batteries which are distributed at equal intervals and have the same specification in the battery pack, and the positive and negative electrodes of each two lithium batteries are separated by insulating isolation plates which are fixed at equal intervals.

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

1. according to the lithium battery pack capable of avoiding water inflow, the overall structure is greatly optimized and improved by combining the problems in the prior art, the drain holes for avoiding water inflow of the internal battery pack are symmetrically formed in the bottom of the lithium battery pack on the basis of the overall integrated hollow structure, so that the overall use safety is effectively and greatly improved on the basis of the stability of the overall internal structure, the overall use risk is reduced, and the overall use effect and working performance are effectively improved;

2. according to the lithium battery pack capable of avoiding water inflow, a plurality of groups of first-stage dustproof damping strips, second-stage dustproof damping strips and third-stage dustproof damping strips are symmetrically arranged outside the battery pack with waterproof glue according to the structural characteristics of the battery pack, so that the dustproof and damping performance of the whole battery pack is improved on the basis that the whole battery pack is placed in a suspension manner in the accommodating cavity, and the use functionality of the whole battery pack is effectively enriched;

3. this avoid lithium cell group of intaking separates each other through utilizing insulating barrier plate between the constitution lithium cell positive negative pole at the group battery, has effectively reduced the possibility that this lithium cell group broke down in the practical application use, has effectively promoted holistic comprehensive performance to holistic application scope has been enlarged.

Drawings

FIG. 1 is a schematic view of the external overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal split structure of the present invention;

FIG. 4 is a bottom schematic view of the present invention;

fig. 5 is a schematic view of the internal structure of the present invention.

In the figure: 1. a lithium battery loading protection box; 2. a box cover; 3. an accommodating chamber; 4. a drain hole; 5. a vent hole; 6. a battery pack; 7. a first-level dustproof damping adhesive tape; 8. a secondary dustproof damping adhesive tape; 9. a third-stage dustproof damping adhesive tape; 10. a battery pack; 11. an insulating spacer plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a lithium battery pack capable of avoiding water inflow comprises a lithium battery loading protection box 1, a box cover 2, a containing cavity 3, a drain hole 4, an air vent 5, a battery pack 6, a first-level dustproof damping strip 7, a second-level dustproof damping strip 8, a third-level dustproof damping strip 9, a battery pack 10 and an insulating isolation plate 11, wherein the box cover 2 is fixedly installed at the upper end of the lithium battery loading protection box 1, the containing cavity 3 is formed in the lithium battery loading protection box 1, the drain hole 4 is formed in the corner position of the bottom of the lithium battery loading protection box 1, the air vent 5 is formed in the side position of the upper end face of the box cover 2, the battery pack 6 is fixedly installed in the middle position of the inside of the containing cavity 3, the first-level dustproof damping strip 7 is fixedly installed in the middle position of the upper end face of the battery pack 6, the second-level dustproof damping strip 8 is fixedly installed at the side of, the battery pack 6 is internally and fixedly provided with battery packs 10, and insulating isolation plates 11 are inserted and fixed among the battery packs 10;

furthermore, the whole lithium battery loading protection box 1 is of an integrated cuboid hollow structure, the lithium battery loading protection box 1 is in seamless connection with the box cover 2, two vent holes 5 with the same specification are symmetrically formed in the side positions of the upper end face of the box cover 2, and the vent holes 5 can effectively ensure that the box cover 2 cannot be lifted due to instant thermal runaway of the lithium battery loading protection box 1 caused by accidents of conventional lithium batteries, so that the safety protection effect is achieved;

furthermore, four drain holes 4 are symmetrically provided with four same specifications at four corners of the bottom of the lithium battery loading protection box 1, the middle position of the battery pack 6 in the accommodating cavity 3 is in a suspended state, two same specifications are symmetrically fixed at the middle positions of the upper end and the lower end of the battery pack 6 by the primary dustproof damping strip 7, the battery pack 6 is not in contact with the inner wall of the accommodating cavity 3, and the possibility of failure in the practical application and use process is reduced;

furthermore, four of the same specification are symmetrically fixed on the left side and the right side of the outer part of the battery pack 6 by the second-stage dustproof damping strip 8, and four of the same specification are symmetrically fixed on the inner side and the outer side of the outer part of the battery pack 6 by the third-stage dustproof damping strip 9, so that the battery pack 6 can be comprehensively, stably and efficiently protected, a certain damping and dustproof effect is achieved, and the overall applicability functionality is effectively enriched;

further, the distance between the inner wall of the accommodating cavity 3 and the battery pack 6 is 10MM for the second-level dustproof damping strip 8 and the third-level dustproof damping strip 9, the battery pack 10 is composed of lithium batteries which are distributed at equal intervals and have the same specification in the battery pack 6, and the positive and negative electrodes of every two lithium batteries are separated by the insulating partition plates 11 which are fixed at equal intervals, so that the integral using effect and working performance are improved, and the integral application range is expanded.

The working principle is as follows: the accommodating cavity 3 formed in the lithium battery loading protection box 1 can perform a good protection effect on the lithium battery loading protection box on the basis of stably loading the battery pack 6, the battery pack 6 is suspended and assembled in the accommodating cavity 3 through a first-stage dustproof damping strip 7 with the upper end and the lower end symmetrically fixed and a second-stage dustproof damping strip 8 and a third-stage dustproof damping strip 9 with the periphery symmetrically fixed respectively, so that the mutual contact between the battery pack 6 and the accommodating cavity 3 is reduced, the overall damping and dustproof performance of the battery pack 6 in the accommodating cavity 3 can be effectively improved, the four drain holes 4 symmetrically formed in the bottom of the lithium battery loading protection box 1 can effectively improve the overall waterproof capacity, even if water enters the lithium battery loading protection box 1, the water can be stably discharged from the drain holes 4, and the possibility that the battery pack 10 in the battery pack 6 fails in the actual application and use process is reduced, meanwhile, the positive and negative electrodes of the lithium batteries forming the battery pack 10 are mutually separated through the insulating isolation plates 11, so that the overall use risk is reduced, the overall application range is effectively enriched on the basis of improving the overall use effect and working performance, and the overall application range is expanded.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a avoid lithium cell group of intaking, includes that the lithium cell loads protection box, its characterized in that: the utility model discloses a lithium battery protection box, including lithium battery loading protection box, lithium battery loading protection box's upper end fixed mounting has the lid, the inside of lithium battery loading protection box has been seted up and has been held the chamber, the wash port has been seted up to the corner position that the lithium battery loaded protection box bottom, the air vent has been seted up to the avris position of lid up end, the intermediate position fixed mounting who holds intracavity portion has the battery package, the intermediate position fixed mounting of battery package up end has the dustproof shock attenuation of one-level to paste the strip, the avris fixed mounting of battery package has the dustproof shock attenuation of second grade to paste the strip, the avris position fixed mounting in the battery package outside has the dustproof shock attenuation of tertiary to paste the strip, the.

2. A lithium battery according to claim 1, characterized in that: the whole formula cuboid hollow structure as an organic whole of lithium cell loading protection box, and seamless connection between lithium cell loading protection box and the lid, the air vent has seted up two that the specification is the same at the avris position symmetry of lid up end.

3. A lithium battery according to claim 1, characterized in that: the drain hole is symmetrically provided with four same specifications at four corners of the bottom of the lithium battery loading protection box, the middle position of the battery pack in the accommodating cavity is in a suspended state, and two same specifications are symmetrically fixed at the middle positions of the upper end and the lower end of the battery pack by the primary dustproof damping adhesive tape.

4. A lithium battery according to claim 1, characterized in that: the two-stage dustproof damping attachment strip is symmetrically fixed with four strips with the same specification at the left side and the right side of the outer portion of the battery pack, and the three-stage dustproof damping attachment strip is symmetrically fixed with four strips with the same specification at the inner side and the outer side of the outer portion of the battery pack.

5. A lithium battery according to claim 1, characterized in that: the distance between the inner wall of the accommodating cavity and the battery pack is 10MM for the second-level dustproof damping strip and the third-level dustproof damping strip, the battery pack is composed of lithium batteries which are distributed at equal intervals and have the same specification in the battery pack, and the positive and negative electrodes of each two lithium batteries are separated by insulating partition plates which are fixed at equal intervals.