A lightweight battery protective shell

Abstract

The utility model discloses a lightweight battery protective shell, comprising a lower shell and an upper shell, a battery pack is fixedly installed between the lower shell and the upper shell, the upper shell is installed on the top of the lower shell, a mounting hoop is fixedly installed on the side of the upper shell close to the lower shell and located on the outside of the lower shell, and the mounting hoop and the lower shell are fixed by bolts. The lightweight battery protective shell disclosed by the utility model is arranged to place the battery pack inside the upper shell, and fix the upper shell to the outside of the top of the lower shell by the mounting hoop and bolts, which is conducive to the later disassembly of the lower shell and the upper shell, and the later maintenance and replacement of the upper shell; and the provision of a first heat dissipation slot, a second heat dissipation slot and a third heat dissipation slot is conducive to strengthening the heat dissipation of the battery pack, and is conducive to reducing the overall weight of the lower shell and the upper shell.

Description

Technical Field

[0001] The utility model relates to the technical field of battery shells, and in particular to a lightweight battery protective shell. Background Art

[0002] With the popularization of electric vehicles, drones and other electric devices, lightweight and efficient batteries are widely used.

[0003] The patent document with application number CN217035845U discloses a lightweight soft-pack lithium battery module, including a lower shell, an upper cover and multiple battery cell groups. The lower shell includes a bottom plate and four side plates connected to the bottom plate. The four side plates form a rectangular frame structure. The inner corners of two adjacent side plates are welded and fixed with C-shaped angle steel. The bottom plate and side plates of the upper cover and the lower shell are all provided with hollow holes. Multiple battery cell groups are arranged in the lower shell, and the upper cover is welded to the top of the lower shell. The lightweight soft-pack lithium battery module not only adopts a lightweight design, but also has stable strength and rigidity of the overall structure.

[0004] In the above-mentioned related technologies, the upper cover and the lower shell are connected by welding, which is not conducive to the later maintenance and replacement of the internal battery pack. To address the above problem, we have launched a lightweight battery protective shell. Utility Model Content

[0005] The utility model discloses a lightweight battery protection shell, aiming to solve the technical problem that welding connection between an upper cover and a lower shell is adopted in the related art, which is not conducive to the later maintenance and replacement of an internal battery cell group.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A lightweight battery protective shell comprises a lower shell and an upper shell, a battery pack is fixedly installed between the lower shell and the upper shell, the upper shell is installed on the top of the lower shell, a mounting hoop is fixedly installed on a side of the upper shell close to the lower shell and located outside the lower shell, the mounting hoop and the lower shell are fixed by bolts, the four side panels of the lower shell and the upper shell are staggered and equidistantly provided with No. 1 heat dissipation grooves, the bottom plate of the lower shell and the top plate of the upper shell are provided with No. 2 heat dissipation grooves, and the four side panels of the lower shell are provided with No. 3 heat dissipation grooves at equal distances.

[0008] By placing the battery pack inside the upper shell and fixing the upper shell to the outer side of the top of the lower shell by means of mounting hoops and bolts, it is convenient for the later disassembly of the lower shell and the upper shell, and for the later repair and replacement of the upper shell; and the heat dissipation slots No. 1, No. 2 and No. 3 are arranged to enhance the heat dissipation of the battery pack and to reduce the overall weight of the lower shell and the upper shell.

[0009] In a preferred embodiment, fixing frames are fixedly installed around the bottom wall inside the lower shell and around the top wall inside the upper shell, the bottom of the battery pack and the fixing frame inside the lower shell are in conflict with each other, and the fixing frame inside the upper shell is in conflict with the battery pack on one side close to the battery pack.

[0010] By setting up a fixing frame, the four corners of the top and bottom sides of the battery pack are fixed, and at the same time a hollow layer is formed between the lower shell, the upper shell and the battery pack, which makes it safer to use and is beneficial to the heat dissipation of the battery pack.

[0011] In a preferred solution, a card slot is provided on a side of the lower shell body close to the upper shell body, and a card frame is fixedly installed on a side of the upper shell body close to the card slot, and the card frame extends into the card slot.

[0012] The card frame is arranged to extend into the card slot, which is helpful to enhance the tightness of the connection between the lower shell and the upper shell.

[0013] In a preferred solution, the outermost layer of the battery pack is configured as an insulating layer.

[0014] By setting the outermost layer of the battery pack as an insulating layer, the safety of the battery pack is further enhanced.

[0015] In a preferred solution, the inner walls of the lower shell and the upper shell are both coated with an insulating coating.

[0016] The insulating coating applied on the inner walls of the lower shell and the upper shell is helpful to enhance the safety of use.

[0017] In a preferred solution, the No. 1 heat sink and the No. 2 heat sink are both configured as triangular structures, and the No. 3 heat sink is configured as a circular structure.

[0018] By setting the No. 1 heat sink and the No. 2 heat sink to a triangular structure and the No. 3 heat sink to a circular structure, it is beneficial to enhance the overall stability of the device.

[0019] The lightweight battery protection case provided by the utility model has the following advantages:

[0020] First, by placing the battery pack inside the upper shell, and fixing the upper shell to the outer side of the top of the lower shell by means of mounting hoops and bolts, it is convenient for the later disassembly of the lower shell and the upper shell, and convenient for the later repair and replacement of the upper shell; and the heat dissipation slots No. 1, No. 2 and No. 3 are arranged, which is convenient for strengthening the heat dissipation of the battery pack and for reducing the overall weight of the lower shell and the upper shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a three-dimensional schematic diagram of a lightweight battery protection shell.

[0022] Figure 2 The present invention is a schematic diagram of a disassembled three-dimensional light-weight battery protection case.

[0023] Figure 3 The utility model is a schematic diagram of a split three-dimensional cross-sectional view of a lightweight battery protection shell.

[0024] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0025] In the accompanying drawings: 1. lower shell; 11. card slot; 2. upper shell; 21. card frame; 3. battery pack; 4. heat sink No. 1; 5. heat sink No. 2; 6. fixing frame; 7. mounting hoop; 8. heat sink No. 3. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0027] The utility model discloses a lightweight battery protection shell which is mainly used for protecting lightweight batteries.

[0028] Reference Figure 1 , Figure 2 and Figure 3 A lightweight battery protective shell includes: a lower shell 1 and an upper shell 2, a battery pack 3 is fixedly installed between the lower shell 1 and the upper shell 2, the upper shell 2 is installed on the top of the lower shell 1, a mounting hoop 7 is fixedly installed on the side of the upper shell 2 close to the lower shell 1 and located outside the lower shell 1, the mounting hoop 7 and the lower shell 1 are fixed by bolts, the four side panels of the lower shell 1 and the upper shell 2 are staggered and equidistantly provided with No. 1 heat dissipation grooves 4, the bottom plate of the lower shell 1 and the top plate of the upper shell 2 are provided with No. 2 heat dissipation grooves 5, and the four side panels of the lower shell 1 are provided with No. 3 heat dissipation grooves 8

[0029] In this embodiment, the battery pack 3 is placed inside the upper shell 2, and the upper shell 2 is fixed to the outer side of the top of the lower shell 1 by means of the mounting hoop 7 and bolts, which is convenient for the later disassembly of the lower shell 1 and the upper shell 2, and convenient for the later repair and replacement of the upper shell 2; and the heat dissipation slots No. 1 4, No. 2 5 and No. 3 8 are convenient for enhancing the heat dissipation of the battery pack 3, and for reducing the overall weight of the lower shell 1 and the upper shell 2.

[0030] Among them, a card slot 11 is opened on one side of the lower shell 1 close to the upper shell 2, and a card frame 21 is fixedly installed on one side of the upper shell 2 close to the card slot 11, and the card frame 21 extends into the card slot 11; by setting the card frame 21 to extend into the card slot 11, it is beneficial to strengthen the tightness of the connection between the lower shell 1 and the upper shell 2.

[0031] The inner walls of the lower shell 1 and the upper shell 2 are both coated with an insulating coating; by providing the insulating coating on the inner walls of the lower shell 1 and the upper shell 2, it is beneficial to enhance the safety of use.

[0032] Among them, the No. 1 heat sink 4 and the No. 2 heat sink 5 are both set to a triangular structure, and the No. 3 heat sink 8 is set to a circular structure; by setting the No. 1 heat sink 4 and the No. 2 heat sink 5 to a triangular structure, and the No. 3 heat sink 8 to a circular structure, it is beneficial to enhance the overall stability of the device.

[0033] In the above technical solution, considering the problem of strengthening the fixation of the battery pack 3, in order to solve such a problem, the specific operations are as follows:

[0034] Reference Figure 1 and Figure 2 In a preferred embodiment, a fixing frame 6 is fixedly installed around the bottom wall of the lower shell 1 and around the top wall of the upper shell 2, the bottom of the battery pack 3 is in conflict with the fixing frame 6 inside the lower shell 1, and the fixing frame 6 inside the upper shell 2 is in conflict with the battery pack 3 on one side close to the battery pack 3;

[0035] In this embodiment, a fixing frame 6 is provided to fix the four corners of the top and bottom sides of the battery pack 3, and a hollow layer is formed between the lower shell 1 and the upper shell 2 and the battery pack 3, which makes it safer to use and is beneficial to the heat dissipation of the battery pack 3.

[0036] Among them, the outermost layer of the battery pack 3 is set as an insulating layer; by setting the outermost layer of the battery pack 3 as an insulating layer, the safety of the battery pack 3 in use is further enhanced.

[0037] Working principle: When in use, the battery pack 3 is placed inside the upper shell 2, and the upper shell 2 is fixed to the outer side of the top of the lower shell 1 through the mounting hoop 7 and bolts, which is convenient for the later disassembly of the lower shell 1 and the upper shell 2, and convenient for the later repair and replacement of the upper shell 2; and the heat dissipation groove No. 1 4, the heat dissipation groove No. 2 5 and the heat dissipation groove No. 3 8 are convenient for strengthening the heat dissipation of the battery pack 3, and for reducing the overall weight of the lower shell 1 and the upper shell 2.

[0038] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. A lightweight battery protective shell, comprising a lower shell (1) and an upper shell (2), characterized in that: A battery pack (3) is fixedly installed between the lower shell (1) and the upper shell (2); the upper shell (2) is installed on the top of the lower shell (1); a mounting hoop (7) is fixedly installed on a side of the upper shell (2) close to the lower shell (1) and located outside the lower shell (1); the mounting hoop (7) and the lower shell (1) are fixed by bolts; the four side panels of the lower shell (1) and the upper shell (2) are staggered and equidistantly provided with No. 1 heat dissipation grooves (4); the bottom plate of the lower shell (1) and the top plate of the upper shell (2) are provided with No. 2 heat dissipation grooves (5); and the four side panels of the lower shell (1) are provided with No. 3 heat dissipation grooves (8) at equal distances.

2. A lightweight battery protective shell according to claim 1, characterized in that: A fixing frame (6) is fixedly mounted around the bottom wall of the lower shell (1) and around the top wall of the upper shell (2); the bottom of the battery pack (3) abuts against the fixing frame (6) inside the lower shell (1); and the fixing frame (6) inside the upper shell (2) abuts against the battery pack (3) on a side close to the battery pack (3).

3. A lightweight battery protective shell according to claim 1, characterized in that: A card slot (11) is provided on one side of the lower shell (1) close to the upper shell (2), and a card frame (21) is fixedly mounted on one side of the upper shell (2) close to the card slot (11), wherein the card frame (21) extends into the interior of the card slot (11).

4. A lightweight battery protective shell according to claim 1, characterized in that: The outermost layer of the battery pack (3) is arranged as an insulating layer.

5. The lightweight battery protective shell according to claim 1, characterized in that: The inner walls of the lower shell (1) and the upper shell (2) are both coated with an insulating coating.

6. A lightweight battery protective shell according to claim 1, characterized in that: The first heat dissipation slot (4) and the second heat dissipation slot (5) are both configured as triangular structures, and the third heat dissipation slot (8) is configured as a circular structure.

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