Stackable soft package power battery bracket

Abstract

The utility model relates to the technical field of soft package power battery brackets, in particular to a stackable soft package power battery bracket, which improves the structural stability, improves the compression resistance effect, reduces the mass ratio of the bracket, can effectively solve the problems of insufficient strength and overlarge volume of the soft package power battery bracket, and improves the insulativity. Comprising a plurality of groups of battery cell brackets and a plurality of groups of battery cells, the plurality of groups of battery cells are respectively mounted on the inner side walls of the plurality of groups of battery cell brackets, and the plurality of groups of battery cell brackets are mutually stacked; the battery further comprises a positioning assembly, a plurality of fixing buckles, a tab welding copper bar fixing groove and a plurality of tab welding copper bars, the fixing buckles are installed on the outer side walls of the battery cell supports respectively, buckle grooves are formed in the outer side walls of the battery cell supports respectively, the tab welding copper bar fixing groove is formed in the top ends of the battery cell supports, and the tab welding copper bars are arranged in the buckle grooves. And the plurality of groups of tab welding copper bars are respectively arranged on the tab welding copper bar fixing grooves of the plurality of groups of battery cell brackets.

Description

Technical Field

[0001] The utility model relates to the technical field of soft-pack power battery brackets, in particular to a stackable soft-pack power battery bracket. Background Art

[0002] Soft-pack power batteries have a wide range of uses and can be vigorously promoted in the fields of electric transportation, energy storage, and medical care. As the core component, the safety and storage efficiency of power batteries are increasingly valued. However, how to improve the storage efficiency and space utilization of battery packs while ensuring battery safety has become a problem that needs to be solved.

[0003] As the basic unit of the energy storage system, the soft-pack power battery module is required to have good pressure resistance, good insulation protection, good heat dissipation, and be conducive to automatic PACK of the soft-pack power battery. Some modules in the prior art adopt direct bundling, resulting in extremely poor protection; some modules in the prior art do not use flame-retardant material battery cell brackets, resulting in poor fire resistance of the brackets, reducing safety of use; some modules in the prior art use battery cell brackets with poor structure, low strength, and poor heat dissipation performance.

[0004] Based on the above background, the stackable soft-pack power battery bracket of the present utility model is developed and designed. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a stackable soft-pack power battery bracket which improves structural stability, improves compressive resistance, and reduces the proportion of bracket mass. It can effectively solve the problems of insufficient strength and excessive volume of soft-pack power battery brackets and improve insulation.

[0006] The utility model discloses a stackable soft-pack power battery bracket, comprising a plurality of battery cell brackets and a plurality of battery cells, wherein the plurality of battery cells are respectively mounted on the inner side walls of the plurality of battery cell brackets, and the plurality of battery cell brackets are stacked on each other; the utility model also comprises a positioning assembly, a plurality of fixing buckles, a pole ear welding copper bar fixing groove, and a plurality of pole ear welding copper bars, wherein the plurality of fixing buckles are respectively mounted on the outer side walls of the plurality of battery cell brackets, and buckle grooves are respectively arranged on the outer side walls of the plurality of battery cell brackets, the pole ear welding copper bar fixing grooves are arranged on the top ends of the plurality of battery cell brackets, the plurality of pole ear welding copper bars are respectively mounted on the pole ear welding copper bar fixing grooves of the plurality of battery cell brackets, and the plurality of pole ear welding copper bars are respectively connected with the electrodes of the plurality of battery cells, the positioning assembly is arranged on the outer side walls of the battery cell brackets, The positioning component is used to position the stacked multiple groups of battery cell holders; the multiple groups of battery cells are respectively installed inside the multiple groups of battery cell holders, at this time, the electrodes of the multiple groups of battery cells are respectively connected with the multiple groups of pole ear welding copper bars, and then the multiple groups of battery cell holders are stacked. After the multiple groups of battery cell holders are stacked, the multiple groups of fixing buckles are respectively extended into the multiple groups of buckle grooves, so that the multiple groups of battery cell holders are fixed, and then the battery cell holders are fixed again by the positioning component, so as to improve the structural stability between the multiple groups of battery cell holders. By setting up multiple groups of battery cell holders, the compression resistance of the holders is improved, and the multiple groups of battery cells in the multiple groups of battery cell holders will not squeeze each other, thereby reducing the proportion of the holder mass, which can effectively solve the problems of insufficient strength and excessive volume of the soft-pack power battery holder.

[0007] Preferably, the positioning assembly includes multiple groups of strapping tape fixing grooves, which are respectively arranged on the upper and lower sides of the outer side walls of the multiple groups of battery cell holders; when the multiple groups of battery cell holders are stacked, the multiple groups of strapping tape fixing grooves form a groove shape, and then the strapping tape is put on the multiple groups of strapping tape fixing grooves, thereby improving the structural stability between the multiple groups of battery cell holders.

[0008] Preferably, it also includes a battery cell hollow structure, which is arranged on the battery cell bracket; by setting the battery cell hollow structure, it is beneficial to reduce the mass of the battery cell bracket, improve the lightweight effect of the bracket, and improve the material saving effect of the battery cell bracket, and reduce the weight proportion of the bracket.

[0009] Preferably, it also includes a battery cell heat exchange channel, which is arranged on the outer side wall of the battery cell bracket; by setting the battery cell heat exchange channel, the operating temperature stability of multiple groups of battery cells is improved, the service life of the battery is extended, the battery attenuation is reduced, and the overall performance of the battery system is improved.

[0010] Preferably, it also includes multiple groups of bracket installation positioning pins, which are respectively installed on the upper and lower parts of the outer side wall of the battery cell bracket; by providing multiple groups of bracket installation positioning pins, the installation and positioning convenience of the multiple groups of battery cell brackets is improved.

[0011] Preferably, the multiple groups of battery cell brackets are made of ABS material; by making the battery cell brackets of ABS material, the impact resistance, heat resistance and low temperature resistance of the brackets are improved, and the insulation effect of the brackets is improved.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: multiple groups of battery cells are respectively installed inside multiple groups of battery cell holders, at this time, the electrodes of the multiple groups of battery cells are respectively connected with the multiple groups of pole ear welding copper bars, and then the multiple groups of battery cell holders are stacked. After the multiple groups of battery cell holders are stacked, the multiple groups of fixing buckles are respectively extended into the multiple groups of buckle grooves, so that the multiple groups of battery cell holders are fixed, and then the battery cell holders are fixed again by the positioning assembly, thereby improving the structural stability between the multiple groups of battery cell holders, and by arranging multiple groups of battery cell holders, the compression resistance of the holders is improved, and the multiple groups of battery cells in the multiple groups of battery cell holders will not squeeze each other, thereby reducing the proportion of the holder mass, which can effectively solve the problems of insufficient strength and excessive volume of the soft-pack power battery holder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a side view structural diagram of the connection between the battery support and the battery hollow structure;

[0015] Figure 3 It is a side view structural diagram of the connection between the battery cell support and the battery cell heat exchange channel;

[0016] Figure 4 It is a side view structural diagram of the connection between the bracket installation positioning pin and the battery cell bracket.

[0017] Markings in the attached figure: 1. battery cell bracket; 2. battery cell; 3. fixing buckle; 4. fixing groove for electrode ear welding copper bar; 5. electrode ear welding copper bar; 6. fixing groove for packing tape; 7. battery cell hollow structure; 8. battery cell heat exchange channel; 9. bracket installation positioning pin. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figures 1 to 4As shown, a stackable soft-pack power battery bracket of the utility model comprises a plurality of battery cell brackets 1 and a plurality of battery cells 2, wherein the plurality of battery cells 2 are respectively mounted on the inner side walls of the plurality of battery cell brackets 1, and the plurality of battery cell brackets 1 are stacked on each other; the utility model also comprises a positioning assembly, a plurality of fixing buckles 3, a pole ear welding copper bar fixing groove 4 and a plurality of pole ear welding copper bars 5, wherein the plurality of fixing buckles 3 are respectively mounted on the outer side walls of the plurality of battery cell brackets 1, and the outer side walls of the plurality of battery cell brackets 1 are respectively provided with buckle grooves, the pole ear welding copper bar fixing groove 4 is arranged at the top of the plurality of battery cell brackets 1, the plurality of pole ear welding copper bars 5 are respectively mounted on the pole ear welding copper bar fixing groove 4 of the plurality of battery cell brackets 1, and the plurality of pole ear welding copper bars 5 are respectively connected with the electrodes of the plurality of battery cells 2, and the positioning assembly is arranged on the outer side wall of the battery cell bracket 1, and the positioning assembly is used to position the stacked plurality of battery cell brackets 1;

[0021] like Figure 2 As shown, the positioning assembly includes multiple groups of strapping tape fixing grooves 6, and the multiple groups of strapping tape fixing grooves 6 are respectively arranged on the upper and lower sides of the outer side walls of the multiple groups of battery cell brackets 1;

[0022] In this embodiment, multiple groups of battery cells 2 are respectively installed inside multiple groups of battery cell holders 1. At this time, the electrodes of the multiple groups of battery cells 2 are respectively connected to the multiple groups of pole ear welding copper bars 5, and then the multiple groups of battery cell holders 1 are stacked. After the multiple groups of battery cell holders 1 are stacked, the multiple groups of fixing buckles 3 are respectively extended into the multiple groups of buckle grooves, so that the multiple groups of battery cell holders 1 are fixed. Then, the battery cell holders 1 are fixed again by the positioning assembly, so as to improve the structural stability between the multiple groups of battery cell holders 1. By setting up multiple groups of battery cell holders 1, the compression resistance of the holder is improved, and the multiple groups of battery cells 2 in the multiple groups of battery cell holders 1 will not squeeze each other, thereby reducing the proportion of the holder mass, which can effectively solve the problems of insufficient strength and excessive volume of the soft-pack power battery holder.

[0023] Example 2

[0024] On the basis of Example 1, the utility model provides a stackable soft-pack power battery bracket, such as Figure 2 As shown, it also includes a battery core hollow structure 7, and the battery core hollow structure 7 is arranged on the battery core bracket 1;

[0025] like Figure 3 As shown, it also includes a battery cell heat exchange channel 8, and the battery cell heat exchange channel 8 is arranged on the outer side wall of the battery cell bracket 1;

[0026] like Figure 4 As shown, it also includes multiple sets of bracket mounting positioning pins 9, and the multiple sets of bracket mounting positioning pins 9 are respectively installed on the upper and lower parts of the outer side wall of the battery holder 1;

[0027] like Figure 1 As shown, the multiple battery cell brackets 1 are made of ABS material;

[0028] In this embodiment, when multiple groups of battery cell brackets 1 are stacked, multiple groups of strapping tape fixing grooves 6 form a groove shape, and then the strapping tape is put on the multiple groups of strapping tape fixing grooves 6, thereby improving the structural stability between the multiple groups of battery cell brackets 1. By setting the battery cell hollow structure 7, it is beneficial to reduce the weight of the battery cell bracket 1, improve the lightweight effect of the bracket, and improve the material saving effect of the battery cell bracket 1, thereby reducing the weight proportion of the bracket.

[0029] The utility model discloses a stackable soft-pack power battery holder, which, when working, respectively installs multiple groups of battery cells 2 inside multiple groups of battery cell holders 1, at which time the electrodes of the multiple groups of battery cells 2 are respectively connected with multiple groups of electrode ear welding copper bars 5, and then the multiple groups of battery cell holders 1 are stacked, and after the multiple groups of battery cell holders 1 are stacked, the multiple groups of fixing buckles 3 are respectively extended into the multiple groups of buckle grooves, so that the multiple groups of battery cell holders 1 are fixed to each other, and then the battery cell holders 1 are fixed again by the positioning assembly.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A stackable soft-pack power battery holder, comprising a plurality of battery holders (1) and a plurality of battery cells (2), wherein the plurality of battery cells (2) are respectively mounted on the inner side walls of the plurality of battery holders (1), and the plurality of battery holders (1) are stacked on each other; characterized in that: The invention also comprises a positioning assembly, a plurality of fixing buckles (3), a tab welding copper bar fixing groove (4) and a plurality of tab welding copper bars (5); the plurality of fixing buckles (3) are respectively mounted on the outer side walls of the plurality of battery cell holders (1), and the outer side walls of the plurality of battery cell holders (1) are respectively provided with buckle grooves; the tab welding copper bar fixing groove (4) is arranged at the top of the plurality of battery cell holders (1); the plurality of tab welding copper bars (5) are respectively mounted on the tab welding copper bar fixing groove (4) of the plurality of battery cell holders (1), and the plurality of tab welding copper bars (5) are respectively connected to the electrodes of the plurality of battery cells (2); the positioning assembly is arranged on the outer side walls of the battery cell holders (1), and the positioning assembly is used to position the plurality of battery cell holders (1) after being stacked.

2. A stackable soft-pack power battery holder as claimed in claim 1, characterized in that: The positioning assembly comprises a plurality of groups of strapping tape fixing grooves (6), and the plurality of groups of strapping tape fixing grooves (6) are respectively arranged on the upper and lower sides of the outer side walls of the plurality of groups of battery cell brackets (1).

3. A stackable soft-pack power battery holder as claimed in claim 1, characterized in that: It also includes a battery cell hollow structure (7), and the battery cell hollow structure (7) is arranged on the battery cell support (1).

4. A stackable soft-pack power battery holder as claimed in claim 1, characterized in that: It also includes a battery cell heat exchange channel (8), which is arranged on the outer side wall of the battery cell support (1).

5. The stackable soft-pack power battery holder according to claim 1, characterized in that: It also includes a plurality of groups of bracket mounting positioning pins (9), which are respectively mounted on the upper and lower parts of the outer side wall of the battery cell bracket (1).

6. A stackable soft-pack power battery holder as claimed in claim 1, characterized in that: The multiple groups of battery cell brackets (1) are made of ABS material.

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