CN220821744U - Protection mechanism of power battery pack - Google Patents

Abstract

The protection mechanism of the power battery pack is characterized by comprising an inner layer structure and an outer layer structure, wherein the inner layer structure is arranged in the outer layer structure; the outer layer structure comprises an outer box body, an outer box cover, a handle, a cooling fan, an outer interface A and a lock catch, wherein the handle is arranged on the outer side of the outer box body, the outer box cover is arranged above the outer box body, the outer interface A is arranged on the outer box cover, the cooling fan is arranged on the outer box cover, and the lock catch is arranged at the edge of the outer box cover; the shaking of the power battery pack is reduced by using the elastic supporting legs, the anti-collision corner protectors, the lock catches, the grooves of the outer case cover and the convex columns of the inner case cover; by using the sealing strip and the cooling fan, the cooling performance of the power battery pack is enhanced.

Description

Protection mechanism of power battery pack

Technical Field

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

Background

The power battery is a power supply for providing power source for tools, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts, wherein the power battery pack is a power supply device formed by combining a plurality of batteries, when the power battery pack is placed in a driving device, the power battery pack is usually required to be placed in a box body, a top cover is covered to protect the power battery pack,

The existing power battery pack is put and is mostly simple box body with protector, and the collision between power battery pack and the box body is reduced to a plurality of strip cushion blocks of cooperation, and its barrier propterty is relatively poor, and when power battery pack driving tool moved, the strip cushion block only can alleviate partial vibration, and the condition that power battery pack and box body rock in step appears easily, and can appear strip cushion block permanent deformation after long-time use, and then lead to the vibration range of power battery pack to increase for the barrier propterty reduces, for solving above-mentioned problem, proposes power battery pack's protection machanism.

Disclosure of utility model

According to the technical problems, the utility model provides a protection mechanism of a power battery pack, which is characterized by comprising an inner layer structure and an outer layer structure, wherein the inner layer structure is arranged inside the outer layer structure;

The outer layer structure comprises an outer box body, an outer box cover, a handle, a cooling fan, an outer interface A and a lock catch, wherein the handle is arranged at the outer side of the outer box body, the outer box cover is arranged above the outer box body, the outer interface A is arranged on the outer box cover, the cooling fan is arranged on the outer box cover, the lock catch is arranged at the edge of the outer box cover,

Further, the number of the radiating fans is four, and the radiating fans are symmetrically arranged;

Further, a groove is formed below the outer box cover;

The inner layer structure comprises an inner box body, an inner box cover, sealing strips, anti-collision corner protectors, elastic supporting legs and an outer interface B, wherein the inner box cover is arranged above the inner box body, the sealing strips are arranged at the bottom of the inner box cover, the outer interface B is arranged on the inner box cover, the anti-collision corner protectors are arranged in the inner box body, and the elastic supporting legs are arranged below the inner box body;

further, a convex column is arranged above the inner box cover;

Further, the number of the anti-collision protection angles is four, and the anti-collision protection angles are distributed at four corners in the inner box body;

Further, the elastic support leg is connected with the damper in parallel by adopting a spring;

The utility model has the beneficial effects that:

According to the utility model, by using the outer layer structure and the inner layer structure, the influence of external shaking on the power battery is reduced, and the heat dissipation of the power battery pack is ensured; the shaking of the power battery pack is reduced by using the elastic supporting legs, the anti-collision corner protectors, the lock catches, the grooves of the outer case cover and the convex columns of the inner case cover; by using the sealing strip and the cooling fan, the cooling performance of the power battery pack is enhanced.

Drawings

FIG. 1 is a schematic view of the whole structure of a protection mechanism of a power battery pack according to the present utility model;

FIG. 2 is a schematic diagram of an exploded view of a protection mechanism of the power battery pack of the present utility model;

FIG. 3 is a top view of the outer and inner covers of the guard mechanism of the power battery of the present utility model;

FIG. 4 is a bottom view of the outer and inner covers of the guard mechanism of the power battery pack of the present utility model;

FIG. 5 is a side view of the outer and inner housings of the guard mechanism of the power battery pack of the present utility model;

the following figures are shown: 1 outer layer structure, 11 outer box, 12 outer case lid, 13 handles, 14 radiator fan, 15 outer interface A, 16 hasp, 2 inner layer structure, 21 inner box, 22 inner case lid, 23 sealing strip, 24 anticollision angle bead, 25 elastic leg, 26 outer interface B.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The utility model provides a protection mechanism of a power battery pack, which is characterized by comprising an inner layer structure 2 and an outer layer structure 1, wherein the inner layer structure 2 is arranged inside the outer layer structure 1;

The outer layer structure 1 comprises an outer box body 11, an outer box cover 12, a handle 13, a cooling fan 14, an outer interface A15 and a lock catch 16, wherein the handle 13 is arranged at the outer side of the outer box body 11, the outer box cover 12 is arranged above the outer box body 11, the outer interface A15 is arranged on the outer box cover 12, the cooling fan 14 is arranged on the outer box cover 12, the lock catch 16 is arranged at the edge of the outer box cover 12,

Further, the number of the heat dissipation fans 14 is four, and the heat dissipation fans are symmetrically arranged;

further, a groove is arranged below the outer case cover 12;

The inner layer structure 2 comprises an inner box body 21, an inner box cover 22, sealing strips 23, anti-collision corner protectors 24, elastic supporting legs 25 and outer interfaces B26, wherein the inner box cover 22 is arranged above the inner box body 21, the sealing strips 23 are arranged at the bottom of the inner box cover 22, the outer interfaces B26 are arranged on the inner box cover 22, the anti-collision corner protectors 24 are arranged inside the inner box body 21, and the elastic supporting legs 25 are arranged below the inner box body 21;

further, a convex column is arranged above the inner box cover 22;

further, the number of the anti-collision protection angles 24 is four, and the four anti-collision protection angles are distributed at four corners inside the inner box body 21;

further, the elastic leg 25 is connected in parallel with the damper by a spring.

Example 2

When the power battery pack is used, the power battery pack is placed on four anti-collision protection corners 24 of the inner box body 21, the inner box cover 22 is covered, the inner box body 21 is placed in the outer box body 11 through the elastic supporting legs 25, oily liquid is injected into a gap between the inner box body 21 and the outer box body 11, the height of the injected liquid reaches the level of the upper end of the inner box body 21, the outer box cover 12 is covered, the grooves on the outer box cover 12 and the convex columns on the inner box cover 22 are correspondingly placed, the outer box cover 12 is pressed down by force, the elastic supporting legs 25 shrink, the inner box body 21 and the inner box cover 22 are pressed, the sealing effect is achieved through the sealing strips 23, and the outer box cover 12 is fixed on the outer box body 11 through the lock catches 16.

Example 3

The outer box 11, the outer box cover 12, the inner box 21 and the inner box cover 22 are all made of metal, when the power battery pack operates, the power battery pack is connected with an external lead through the upper and lower corresponding outer interfaces A15 and B26, heat is released when the power battery pack operates, the heat is released through the metal material and the thermal conductivity of oily liquid between the inner box 21 and the outer box 11, and the top of the power battery pack is released through the heat radiation fan 14 on the outer box cover 12.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Various components mentioned in the present utility model are common in the art, and it should be understood by those skilled in the art that the present utility model is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications can be made in the present utility model without departing from the spirit and scope of the utility model, which is defined in the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The protection mechanism of the power battery pack is characterized by comprising an inner layer structure and an outer layer structure, wherein the inner layer structure is arranged in the outer layer structure;

the outer layer structure includes outer box, outer case lid, handle, radiator fan, external connection A, hasp, outer box outside sets up the handle, outer box top sets up outer case lid, set up external connection A on the outer case lid, set up radiator fan on the outer case lid, outer case lid edge sets up the hasp.

2. The protection mechanism of a power battery pack according to claim 1, wherein the heat dissipation fans are symmetrically arranged in four.

3. The protective mechanism of claim 1, wherein the outer cover has a recess thereunder.

4. The protection mechanism of a power battery pack according to claim 1, wherein the inner layer structure comprises an inner box body, an inner box cover, sealing strips, anti-collision corner protectors, elastic supporting legs and an outer interface B, the inner box cover is arranged above the inner box body, the sealing strips are arranged at the bottom of the inner box cover, the outer interface B is arranged on the inner box cover, the anti-collision corner protectors are arranged inside the inner box body, and the elastic supporting legs are arranged below the inner box body.

5. The protection mechanism of the power battery pack according to claim 4, wherein a protruding column is arranged above the inner case cover.

6. The protection mechanism of the power battery pack according to claim 4, wherein the four anti-collision protection angles are distributed at four corners inside the inner box body.

7. The protection mechanism of a power battery pack according to claim 4, wherein the resilient legs are connected in parallel with the damper using springs.

8. The protection mechanism of the power battery pack according to claim 4, wherein the gap between the inner case and the outer case is filled with an oily liquid.