CN217589330U

CN217589330U - High-capacity battery pack with conductive component

Info

Publication number: CN217589330U
Application number: CN202220493907.6U
Authority: CN
Inventors: 张三学; 雷政军; 韩晓宇; 翟腾飞
Original assignee: Shaanxi Olympus Power Energy Co Ltd
Current assignee: Shaanxi Olympus Power Energy Co Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-10-14
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to a battery technology field specifically discloses a large capacity group battery with conductive component, including conductive component and two at least batteries, the battery includes upper and lower apron, upper and lower apron is just, the negative pole post of battery, conductive component sets up between the utmost point post that is connected two batteries, conductive component with utmost point post electricity is connected. Set up conductive component just, between the negative plate, the stability that multiplicable large capacity battery plate electrode is connected to can make just, between the large capacity battery negative plate fully contact, improve the electrically conductive overcurrent performance of utmost point post, and conductive device simple structure, the suitability is strong.

Description

High-capacity battery pack with conductive component

Technical Field

The utility model belongs to the technical field of the battery, concretely relates to large capacity group battery with electric installation.

Background

The high-capacity lithium battery is one of the development directions of the lithium battery, and can be applied to the fields of energy storage and power batteries. The polar plate of large capacity battery is the important component of battery, when two large capacity group battery group equipment, positive and negative polar plate mainly plays the effect of electric conduction, positive polar plate and negative polar plate are connected relatively, carry out the electric conduction through connecting the face, however, upper and lower apron is the large capacity battery of positive and negative utmost point post, positive polar plate and negative polar plate area are great, if only rely on at the battery casing outside connected mode, the reliability is lower, the problem that the utmost point post contact surface can not fully contact appears easily, consequently, the stability of utmost point post connection can not be guaranteed, and positive and negative polar plate also can not guarantee can the complete contact, thereby lead to the overcurrent performance between the utmost point post relatively poor.

In view of this, it is necessary to further improve the positive and negative electrode plates of the large-capacity battery, so as to improve the conductive overcurrent performance between the contact surfaces of the poles.

Disclosure of Invention

The utility model aims to solve the problems that the contact surface of the positive and negative poles of the large-capacity battery of the positive and negative poles is large, the pole contact surface is not conductive enough after the large-capacity battery is assembled, and the conductive component is arranged between the connecting surfaces of the poles so as to improve the stability of the connecting surfaces of the poles and simultaneously improve the overcurrent performance between the two.

The technical scheme of the utility model as follows:

the utility model provides a large capacity group battery with conductive component, includes conductive component and two at least batteries, the battery includes upper and lower apron, upper and lower apron does the positive and negative pole post of battery, conductive component sets up between the utmost point post that is connected two batteries, conductive component with utmost point post electrical contact.

Furthermore, a fastening device is arranged on the shell, so that the conductive assembly is in close contact with the pole.

Furthermore, a groove is formed in the pole to fix the conductive component.

Further, the conductive component is a metal tube.

Furthermore, the metal pipe is a hollow pipe.

Further, the section of the metal pipe is circular.

Further, the width of the groove is not less than the diameter of the metal pipe, the height of the groove is less than the radius of the metal pipe, and the sectional area of the groove is more than half of the sectional area of the metal pipe.

Further, the cross section of the groove is semi-elliptical.

Further, the metal pipe is an aluminum pipe.

Further, the wall thickness of the hollow tube does not exceed 2mm.

The utility model has the advantages that:

the utility model discloses set up conductive assembly between the positive and negative polar plate of large capacity group battery, the stability of multiplicable large capacity plate electrode connection to can make positive and negative polar plate between the large capacity battery fully contact, improved the electrically conductive overcurrent performance of utmost point post, and electrically conductive device simple structure, the suitability is strong.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

In the drawings:

fig. 1 is a schematic structural view of a large-capacity battery pack having a conductive component according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a large-capacity battery pack with positive and negative plates and a conductive assembly provided with grooves.

FIG. 3 is a schematic cross-sectional view of the heat conducting pipe with the oval grooves and the circular cross-section on the positive and negative poles

FIG. 4 is a partial enlarged view of the cross-section of FIG. 3

Wherein: 1-conductive component 2-battery cathode pole 3-battery anode pole 4-groove 5-conductive tube section 6-large capacity battery 7-groove section

The specific implementation mode is as follows:

the above embodiments are further described below with reference to specific examples, which should be construed as being illustrative and not limiting of the scope of the invention. As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. The description and claims do not intend to distinguish between components that differ in name but not function.

Example 1

As shown in fig. 1, a high capacity battery pack with a conductive assembly comprises a large capacity battery 1, a conductive assembly 2, a battery cathode terminal 3, a battery anode terminal 6, and upper and lower cover plates as terminals.

Conductive component 1 sets up between positive utmost point post 2 and negative electrode post 3 of large capacity battery, conductive component 1 is the current conducting plate, in practical application, because on, the apron is great for the area of the large capacity battery post of utmost point post down, when a plurality of large capacity batteries connect, only rely on the outside fixed mode of battery, just, the part that can not fully contact can appear in the connection face of negative electrode post, consequently, can lead to the relatively poor problem of utmost point post overcurrent property, large capacity battery's conductive component 1 is last, below with positive

utmost point post

2 and 3 electrical contacts of negative electrode post, thereby make positive

utmost point post

3 and 2 electric conductions of negative electrode post, make positive and negative utmost point post can fully contact, thereby battery post's overcurrent property has been improved.

Example 2

As shown in FIG. 2, a large-capacity battery pack with a conductive device comprises a conductive assembly 1, a conductive assembly 2, a battery cathode terminal 3, a battery anode terminal 6, a large-capacity battery 4, and a groove

The conductive assembly 1 is arranged between the positive pole post 2 and the negative pole post 3 of the large-capacity battery, the conductive assembly 1 is a metal tube, the positive pole post 3 and the negative pole post 2 are provided with the grooves 4, the metal tube 1 is fixed in the grooves 4, in practical application, when the positive pole post 3 and the negative pole post 2 are in contact, the metal tube 1 arranged between the positive pole and the negative pole of the battery is in electric contact with the positive pole and the negative pole, and the structural design of the metal tube 1 can increase the contact surface of the positive pole and the negative pole by means of the metal tube, so that the flow capacity is improved.

As shown in fig. 3, in this embodiment, the conductive metal tube 1 is disposed between the positive electrode post 3 and the negative electrode post 2, the cross section 5 of the conductive metal tube is circular, the width D of the cross section 7 of the groove is greater than the diameter D 'of the cross section 5 of the conductive metal tube, the cross section S of the groove is smaller than the cross section S' of the conductive metal tube, the cross section 5 of the groove is semi-elliptical, the conductive metal tube 1 is fixed in the groove 8, and the positive electrode post 3 and the negative electrode post 2 of the battery are disposed between the hollow aluminum tube and the conductive metal tube.

When the conductive metal tube 1 is a hollow tube, a heat transfer medium can be arranged in the hollow tube, and the conductive assembly can also play a role in transferring heat between the electrode plates.

It should be noted that the shape of the grooves on the plate may be a straight line shape, a spiral shape, a wave shape, an S shape, a circular shape, etc. which can accommodate or fix the heat transfer pipe, and is not limited to the shapes listed above.

While the preferred embodiments of the invention have been illustrated and described, it is to be understood that the invention is not limited to the details of construction and to the arrangements of the components set forth, but is not intended to be limited to the precise arrangements and instrumentalities disclosed, and can be modified in various other combinations, modifications, and environments within the scope of the invention as expressed in the appended claims. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a large capacity group battery with conductive component, its characterized in that includes conductive component and two at least batteries, the battery includes upper and lower apron and casing, upper and lower apron does the positive and negative pole post of battery, conductive component sets up between the utmost point post that is connected two batteries, conductive component with utmost point post electrical contact.

2. A large capacity battery pack having a conductive member as set forth in claim 1, wherein a fastening means is provided on said case to bring said conductive member into close contact with said pole.

3. A large capacity battery pack having a conductive member as set forth in claim 1, wherein said terminal post is provided with a groove for fixing the conductive member.

4. A large capacity battery pack having a conductive member as set forth in claim 1, wherein said conductive member is a metal tube.

5. A large capacity battery pack having a conductive module as set forth in claim 4, wherein said metal tube is a hollow tube.

6. A large capacity battery pack having a conductive member as set forth in claim 4, wherein said metal tube is circular in cross section.

7. A large capacity battery pack having a conductive member as set forth in claim 3, wherein said groove width is not smaller than the diameter of the metal tube, the groove height is smaller than the radius of the metal tube, and the sectional area of said groove is larger than half of the sectional area of the metal tube.

8. A large capacity battery pack having a conductive member as set forth in claim 7, wherein said groove has a semi-elliptical cross section.

9. A large capacity battery pack having a conductive member as set forth in claim 4, wherein said metal tube is an aluminum tube.

10. A large capacity battery having a conductive component as set forth in claim 5, wherein said hollow tube has a wall thickness of not more than 2mm.