CN217740719U

CN217740719U - Fixing device for square-shell battery cell

Info

Publication number: CN217740719U
Application number: CN202123319290.0U
Authority: CN
Inventors: 申江龙; 伍春生; 吴翰杰; 韩润生; 程军; 董波
Original assignee: Hefei Guoxuan High Tech Power Energy Co Ltd
Current assignee: Hefei Gotion High Tech Power Energy Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-11-04
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to a fixing device technical field discloses a fixing device for square shell electricity core, including the battery box, be equipped with a plurality of battery fixing grooves in the battery box, be fixed with battery main part in a plurality of battery fixing grooves respectively, a plurality of battery main part's both sides threaded connection has the module fixed plate, be equipped with the partition fixed plate on the battery box, the partition fixed plate is located battery main part's the side that connects, the utility model relates to a fixing device for square shell electricity core not only carries out diversified spacing and fixed to the battery, improves the installation accuracy of battery, has reduced rocking of battery, has strengthened the stability fixed to the battery, insulates each battery simultaneously, has prevented casing voltage to and can make things convenient for the connection of outside wiring.

Description

Fixing device for square-shell battery cell

Technical Field

The utility model relates to a fixing device technical field especially relates to a fixing device for square-shell electricity core.

Background

The energy storage trade has been faced better development region at home and abroad now, and the market is more and more to the demand of energy storage battery case, and then becomes higher and higher to security, economic type and the commonality requirement of energy storage battery case, and in the security of energy storage battery case, the fixed crucial thing of battery is fixed, and battery is fixed with some modes that use top cap extrusion and long screw in the current battery case and is fixed. For the top cover compression mode, according to experimental observation, the top cannot be completely contacted with the module due to the problems of structural strength, assembly precision and the like, so that the battery cannot be effectively fixed; for the long screw fixing mode, the problem that the fixing structure is simple, the stability and the reliability are not high due to the long screw is generated.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem who exists among the background art, the utility model provides a fixing device for square-shell electricity core.

The utility model provides a fixing device for square-shell electricity core, includes the battery box, be equipped with a plurality of battery fixing grooves in the battery box, be fixed with battery main part in a plurality of battery fixing grooves respectively, the both sides threaded connection of a plurality of battery main parts has the module fixed plate, be equipped with on the battery box and separate the fixed plate, it is located the side of receiving the electricity of battery main part to separate the fixed plate.

Preferably, a plurality of insulating partition plates are arranged in the battery box, and the insulating partition plates are respectively positioned between two adjacent battery bodies.

Preferably, the battery box is internally provided with an insulating end plate which is positioned between the module fixing plate and the battery main bodies, and the battery box is internally provided with a folding insulating plate which is sleeved outside the plurality of battery main bodies.

Preferably, two PET plastic-steel belts are arranged in the battery box and are positioned on the upper side and the lower side of the plurality of battery main bodies.

Preferably, the battery box is provided with a welding copper bar, and the welding copper bar is connected with the power connection side of the battery main body.

Preferably, the separation fixing plate is provided with a plurality of power receiving ports, and the plurality of power receiving ports correspond to the plurality of battery bodies one to one respectively.

The utility model provides a fixing device for square-shell battery cell, a plurality of battery fixing grooves in the battery box are used for preliminarily limiting a plurality of battery main bodies, so that the installation precision is improved, and the surfaces of the battery fixing grooves can be coated with heat-conducting fixing glue to improve the fixing effect on the battery main bodies; the two sides of the battery bodies are fixed and limited through the module fixing plate, the power connection sides of the batteries are fixed and limited through the separating fixing plate, and poor contact caused by shaking of the power connection sides of the battery bodies is prevented; the two battery main bodies, the battery main bodies and the battery box are insulated through the plurality of insulating partition plates, the insulating end plates and the folding insulating plates, so that the voltage short circuit of the shell is prevented; the power connection sides of the plurality of battery bodies are communicated through the welding copper bar, and the external connection wire is communicated with the welding copper bar, namely can be communicated with all the battery bodies; this device not only carries out diversified spacing and fixed to the battery, improves the installation accuracy of battery, has reduced rocking of battery, has strengthened the stability fixed to the battery, insulates each battery simultaneously, has prevented casing voltage to and can make things convenient for the connection of outside wiring.

Drawings

Fig. 1 is an exploded view of the inside of a battery box of a fixing device for a square-shell battery cell according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of a battery box of a fixing device for a square-shell battery cell provided by the present invention;

fig. 3 is a schematic diagram of a battery box installation state three-dimensional structure of a fixing device for a square-shell battery cell provided by the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the utility model provides a fixing device for square-shell electricity core, including battery box 1, be equipped with a plurality of battery fixing grooves in the battery box 1, be fixed with battery main part 2 in a plurality of battery fixing grooves respectively, the both sides threaded connection of a plurality of battery main parts 2 has module fixed plate 3, is equipped with on the battery box 1 and separates fixed plate 4, separates fixed plate 4 and is located the side of receiving electricity of battery main part 2.

In the embodiment, the plurality of battery main bodies 2 are preliminarily limited by the plurality of battery fixing grooves in the battery box 1, so that the mounting precision is improved, the surfaces of the battery fixing grooves can be coated with heat-conducting fixing glue to improve the fixing effect on the battery main bodies 2, and the two sides of the plurality of battery main bodies 2 are fixed and limited by the module fixing plate 3; then, the separation fixing plate 4 fixes and limits the power connection side of the battery, and the power connection side of the battery body 2 is prevented from shaking to cause poor contact.

As another embodiment of the present invention, a plurality of insulating spacers 5 are provided in the battery box 1, and the plurality of insulating spacers 5 are respectively located between two adjacent battery bodies 2. The insulation between the adjacent two battery main bodies 2 is performed by the plurality of insulating separators 5, and the case voltage short circuit between the two adjacent battery main bodies 2 is prevented.

As another embodiment of the utility model, be equipped with insulating end plate 6 in battery box 1, insulating end plate 6 is located between module fixed plate 3, battery main body 2, is equipped with folding insulation board 9 in battery box 1 and folding insulation board 9 covers in the outside of a plurality of battery main bodies 2. The case voltage on the battery body 2 on both sides is prevented from flowing to the die body fixing plate 3 or the entire device by the insulating end plate 6 and the folded insulating plate 9.

As another embodiment of the present invention, two PET plastic belts 7 are provided in the battery box 1, and the two PET plastic belts 7 are located on the upper and lower sides of the plurality of battery bodies 2. The upper and lower sides of the plurality of battery bodies 2 are fixed by PET steel-plastic tapes 7.

As another embodiment of the utility model, be equipped with welding copper bar 8 on the battery box 1, welding copper bar 8 is connected with connecing of battery main part 2 to incline. The partition fixing plate 4 is provided with a plurality of electric connection ports, and the plurality of electric connection ports respectively correspond to the plurality of battery bodies 2 one to one. The side that connects of battery body 2 passes a plurality of electricity mouths that connect, connects the electricity side intercommunication with a plurality of battery bodies 2 through welding copper bar 8, and external connection and welding copper bar 8 switch-on can be with all battery bodies 2 switch-ons.

The utility model relates to a fixing device for square shell electricity core not only carries out diversified spacing and fixed to the battery, improves the installation accuracy of battery, has reduced rocking of battery, has strengthened the stability fixed to the battery, insulates each battery simultaneously, has prevented casing voltage to and can make things convenient for the connection of outside wiring.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a fixing device for square-shell electricity core, its characterized in that, includes battery box (1), be equipped with a plurality of battery fixing grooves in battery box (1), be fixed with battery main part (2) respectively in a plurality of battery fixing grooves, the both sides threaded connection of a plurality of battery main parts (2) has module fixed plate (3), be equipped with on battery box (1) and separate fixed plate (4), it is located the electricity side that connects of battery main part (2) to separate fixed plate (4).

2. The fixing device for the square-shell battery core is characterized in that a plurality of insulating partition plates (5) are arranged in the battery box (1), and the plurality of insulating partition plates (5) are respectively positioned between two adjacent battery bodies (2).

3. The fixing device for the square-shell battery core is characterized in that an insulating end plate (6) is arranged in the battery box (1), the insulating end plate (6) is positioned between the module fixing plate (3) and the battery main bodies (2), a folding insulation plate (9) is arranged in the battery box (1), and the folding insulation plate (9) is sleeved outside the plurality of battery main bodies (2).

4. The fixing device for the square-shell battery core according to claim 1, wherein two PET plastic-steel belts (7) are arranged in the battery box (1), and the two PET plastic-steel belts (7) are located at the upper and lower sides of the plurality of battery bodies (2).

5. The fixing device for the square-shell battery cell according to any one of claims 1 to 4, wherein a welding copper bar (8) is arranged on the battery box (1), and the welding copper bar (8) is connected with the power connection side of the battery main body (2).

6. The fixing device for the square-shell battery core according to any one of claims 1 to 4, wherein a plurality of power receiving ports are arranged on the separation fixing plate (4), and the plurality of power receiving ports correspond to the plurality of battery bodies (2) one by one respectively.