CN212182444U

CN212182444U - Energy storage battery busbar rubber sealing structure

Info

Publication number: CN212182444U
Application number: CN202021114643.6U
Authority: CN
Inventors: 李军; 岳宝; 胡国柱
Original assignee: Zhejiang Tianneng Battery Jiangsu Co Ltd; Tianneng Group Jiangsu Technology Co Ltd; Tianneng Group Jiangsu Special Power Supply Co Ltd; Zhejiang Tianneng Battery Jiangsu New Energy Co Ltd
Current assignee: Zhejiang Tianneng Battery Jiangsu Co Ltd; Tianneng Group Jiangsu Technology Co Ltd; Tianneng Group Jiangsu Special Power Supply Co Ltd; Zhejiang Tianneng Battery Jiangsu New Energy Co Ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-12-18
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses an energy storage battery busbar glued formula structure, including the top through glue solid seal have well lid battery jar, busbar, the battery jar separates a plurality of simple lattices through the hard baffle, all is equipped with utmost point crowd in every simple lattice, presses close to the left and right sides of hard baffle all is equipped with the limit negatives, limit negatives top is equipped with limit utmost point ear, limit utmost point ear is formed by connecting vertical A, the portion of bending, vertical B integral type, and vertical A bottom is connected in the negative plate, and the top is connected in the portion of bending, and the top of bending is connected in vertical B, and vertical B top fusion in busbar, the portion of bending is towards keeping away from the slope of hard baffle direction. By the utility model discloses the structure can know through the limit utmost point ear of bending for hard baffle is kept away from to limit utmost point ear, avoids taking place because of the problem that produces capillary phenomenon apart from the undersize between limit utmost point ear and the hard baffle, and glue is difficult for climbing to the polar plate on, and then is difficult for polluting the polar plate, improves battery quality and performance greatly.

Description

Energy storage battery busbar rubber sealing structure

Technical Field

The utility model belongs to the technical field of the battery and specifically relates to an energy storage battery busbar glues and seals formula structure.

Background

The cast-weld structure of the electric vehicle battery at the present stage basically adopts a bus bar gap-bridge-free connection structure, but has the problems of gap-bridge breakage and high lead consumption. At present, a gap bridge-free structure of a battery is improved and designed into a bus bar direct connection structure, and a bus bar is sealed by glue, so that the lead consumption of cast welding is greatly reduced, and the problem of grid breakage of the battery is basically solved.

However, new designs introduce new problems: the utmost point ear department of the negative plate in limit of busbar is pressed close to the battery jar hard separator inner wall, easily produces capillary phenomenon between utmost point ear and the hard separator, leads to glue to climb to on the polar plate to pollute the polar plate, reduce battery quality and performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy storage battery busbar glues and seals formula structure overcomes prior art's defect, and the utmost point ear department of the limit negatives of solving the busbar presses close to the battery jar hard baffle inner wall, easily produces capillary phenomenon between utmost point ear and the hard baffle, leads to glue to climb to on the polar plate to pollute the polar plate, reduce the problem of battery quality and performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an energy storage battery busbar glues and seals formula structure, includes that the top seals battery jar, the busbar that has well lid admittedly through glue, and the battery jar separates a plurality of simple lattices through hard baffle, all is equipped with utmost point crowd in every simple lattice, presses close to the left and right sides of hard baffle all is equipped with the limit negative plate, limit negative plate top is equipped with limit utmost point ear, limit utmost point ear is formed by connecting vertical portion A, the portion of bending, vertical portion B integral type, and vertical portion A bottom is connected in the negative plate, and the top is connected in the portion of bending, and the top of bending is connected in vertical portion B, and vertical portion B top fusion connects in the busbar, the portion of bending is towards keeping away from the slope of hard baffle direction.

The utility model discloses a further improvement is, utmost point crowd comprises positive plate, negative plate, soft baffle, the positive plate top is equipped with anodal ear, and the negative plate top is equipped with the negative pole ear, anodal ear, negative pole ear all weld in the busbar, the negative plate is promptly on the limit, the portion of bending is the incline of direction in the slant, and incline angle on the upper right side is 15 ~ 45 on it.

The utility model discloses a further improvement scheme is, inclined to the right angle of inclination is 30 on the portion of bending.

The utility model discloses a further improvement is, positive plate and negative plate are separated through the soft partition board between direction cross arrangement and positive plate and the negative plate about along, cross arrangement around anodal ear and the negative pole ear.

The utility model discloses a further improvement is, the busbar package is formed by connecting positive busbar and negative busbar integral type, anodal ear butt fusion in positive busbar, negative pole ear and limit utmost point ear all weld in negative busbar.

The utility model discloses a further improvement is, positive plate and anodal ear, negative plate and negative pole ear, limit negative plate all through integral type mould casting shaping with limit utmost point ear.

The utility model discloses a further improvement is, be equipped with the glue groove of two front and back symmetries along the left and right sides direction on the inside wall of well lid top, during the glue sealing, put well lid on the platform upside down, pour into glue into in the glue groove again, cover the battery jar back-off in the end for during the busbar just imbeds the glue groove, treat that glue forms the glue layer after, can be with the battery whole just coming.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a pair of formula structure is sealed to energy storage battery busbar glue, the portion of bending towards keeping away from the slope of hard baffle direction, and right inclination is 30 on the portion of bending, has both prevented like this that the portion of bending from pressing close to hard baffle, can prevent again that vertical portion B and negative pole ear are close to too closely, reaches the problem emergence that effectively prevents to produce capillary phenomenon because of apart from the undersize between utmost point ear and the hard baffle.

Two, the utility model provides a pair of energy storage battery busbar glued seal formula structure is through the limit utmost point ear of bending for hard baffle is kept away from to limit utmost point ear, to same busbar, and the distance between its positive busbar lateral surface and the negative busbar lateral surface reduces, and the whole length of busbar shortens, practices thrift the cost, avoids limit utmost point ear to press close to hard baffle simultaneously, and the problem that appears the rosin joint when leading to limit utmost point ear fusion welding takes place.

Three, the utility model provides a pair of energy storage battery busbar glued membrane seals formula structure is through the limit utmost point ear of bending for hard baffle is kept away from to limit utmost point ear, avoids taking place because of the problem that produces capillary phenomenon apart from the undersize between utmost point ear and the hard baffle, and glue is difficult for climbing to the polar plate, and then is difficult for polluting the polar plate, improves battery quality and performance greatly.

Drawings

Fig. 1 is a front view cross-sectional view of the prior art of the present invention.

Fig. 2 is a front view cross-sectional view of the present invention.

Fig. 3 is a partial enlarged view of a front sectional view of the present invention.

Fig. 4 is a bottom view of the structure of the middle cover of the present invention, and fig. 8 is a hard partition groove matched with the hard partition.

Detailed Description

The present invention will be further clarified by the following detailed description, which is to be understood as being given by way of illustration only, and not by way of limitation, of the scope of the invention, which, after reading the present invention, is intended to fall within the scope of the appended claims, as modified by those skilled in the art in various equivalent forms.

Example 1: as shown in fig. 1-4, an energy storage battery busbar glue-sealed structure includes a battery jar 2 and a busbar 3, the top of which is sealed with a middle cover 1 through glue, the battery jar 2 is separated into a plurality of cells 5 through a hard separator 21, a polar group 4 is arranged in each cell 5, and the left and right sides of the hard separator 21 are both provided with side negative plates, the top of each side negative plate is provided with a side tab 431, the side tabs 431 are formed by integrally connecting a vertical portion a432, a bending portion 433 and a vertical portion B434, the bottom end of the vertical portion a432 is connected to a negative plate 42, the top end of the vertical portion a is connected to the bending portion 433, the top of the bending portion B434 is connected to the vertical portion B434, the top of the vertical portion B434 is welded to the busbar 3, and the bending portion 433 inclines towards the direction away from the hard separator.

The electrode group 4 consists of a positive plate 41, a negative plate 42 and a soft partition plate 43, wherein the top of the positive plate 41 is provided with a positive tab 411, the top of the negative plate 42 is provided with a negative tab 421, the positive tab 411 and the negative tab 421 are both welded on the busbar 3, the side negative plate 43 is the negative plate 42, the bent part 433 inclines in an oblique upward direction, the inclined angle of the bent part is 15-45 degrees relative to the right, the side negative plate is the negative plate 42, the bent part 433 inclines in an oblique upward direction, and the inclined angle of the bent part is 15-45 degrees relative to the right; the upper inclined angle of the bending part 433 is 30 degrees; the positive electrode plates 41 and the negative electrode plates 42 are arranged crosswise along the left-right direction, the positive electrode plates 41 and the negative electrode plates 42 are separated by soft separators 43, and the positive electrode lugs 411 and the negative electrode lugs 421 are arranged crosswise front and back; the bus bar 3 bag is formed by integrally connecting a positive bus bar 31 and a negative bus bar 32, the positive electrode tab 411 is welded to the positive bus bar 31, and the negative electrode tab 421 and the side electrode tab 431 are welded to the negative bus bar 32; the positive plate 41 and the positive tab 411, the negative plate 42 and the negative tab 421, and the edge negative plate and the edge tab 431 are cast and molded through an integrated mold; be equipped with the glue groove 6 of two longitudinal symmetries on the left and right sides direction on the inside wall of well lid 1 top, during the glue sealing, put well lid 1 upside down on the platform, pour into glue again in glue groove 6, at last with battery jar 2 back-off on well lid 1 for busbar 3 just imbeds in glue groove 6, treat that glue forms glue layer 7 after, can just cross the battery is whole.

The utility model discloses an operation mode as follows:

when the glue is sealed, the middle cover 1 is firstly placed on the platform in an inverted mode, glue is injected into the glue groove 5, and finally the battery jar 2 is buckled on the middle cover 1 in an inverted mode, so that the busbar 3 is just embedded into the glue groove 5, and the storage battery can be integrally passed after the glue forms the glue layer 6. The utility model discloses in the limit utmost point ear 431 that relates to bend and handle, bend through mechanical die, need not the manual work and bend, avoid the manual work to bend the accuracy low, easily excessively bend and cause the emergence of quality problems such as powder under the ear like this.

Claims

1. The utility model provides an energy storage battery busbar glued formula structure, includes that the top has battery jar (2), busbar (3) of well lid (1) through glue solid seal, battery jar (2) are separated out a plurality of check (5) through hard partition board (21), all are equipped with utmost point crowd (4), its characterized in that in every check (5): press close to the left and right sides of hard baffle (21) all is equipped with the limit negative plate, limit negative plate top is equipped with limit utmost point ear (431), limit utmost point ear (431) are formed by connecting vertical portion A (432), portion of bending (433), vertical portion B (434) integral type, and vertical portion A (432) bottom is connected in negative plate (42), and the top is connected in portion of bending (433), and portion of bending (433) top is connected in vertical portion B (434), and vertical portion B (434) top butt fusion is in busbar (3), portion of bending (433) towards keeping away from hard baffle (21) direction slope.

2. The energy storage battery busbar glue sealing structure of claim 1, wherein: the pole group (4) comprises positive plate (41), negative plate (42), soft baffle (43), positive ear (411) is equipped with at positive plate (41) top, and negative plate (42) top is equipped with negative pole ear (421), positive ear (411), negative pole ear (421) all weld in busbar (3), negative plate (42) is just to limit, bending portion (433) are the slope of direction in the slant, and the inclined angle of inclining to the right is 15 ~ 45 on it.

3. An energy storage battery busbar glue sealing structure as claimed in claim 1 or 2, wherein: the angle of inclination of the bent part (433) is 30 degrees.

4. The energy storage battery busbar glue sealing structure of claim 2, wherein: the positive electrode plates (41) and the negative electrode plates (42) are arranged in a crosswise mode along the left-right direction, the positive electrode plates (41) are separated from the negative electrode plates (42) through soft separators (43), and the positive electrode lugs (411) and the negative electrode lugs (421) are arranged in a front-back crossing mode.

5. The energy storage battery busbar glue sealing structure of claim 2, wherein: busbar (3) package is formed by positive busbar (31) and negative busbar (32) integral type connection, positive pole ear (411) butt fusion is in positive busbar (31), and negative pole ear (421) and limit utmost point ear (431) all butt fusion are in negative busbar (32).

6. The energy storage battery busbar glue sealing structure of claim 2, wherein: and the positive plate (41) and the positive lug (411), the negative plate (42) and the negative lug (421), and the edge negative plate and the edge lug (431) are cast and molded through an integrated mold.

7. The energy storage battery busbar glue sealing structure of claim 1, wherein: be equipped with glue groove (6) of two longitudinal symmetries on well lid (1) top inside wall along the left and right sides direction, during the gluing, put well lid (1) upside down on the platform, pour into glue again in glue groove (6), at last with battery jar (2) back-off on well lid (1) for busbar (3) just imbeds in glue groove (6), treat that glue forms glue layer (7) after, can be with the battery whole just coming.