CN210429944U

CN210429944U - Soft package battery's modular structure

Info

Publication number: CN210429944U
Application number: CN201921320251.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuhan Ruikemei New Energy Co ltd
Current assignee: Wuhan Ruikemei New Energy Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-28
Anticipated expiration: 2029-08-14

Abstract

The utility model relates to a module structure of soft package battery, which comprises battery units, heat conducting sectional materials and busbars, wherein a plurality of battery units are arranged side by side, all the battery units are connected into a whole through a plurality of busbars, and the heat conducting sectional materials are arranged between two adjacent battery units; the battery unit includes the support, anodal pad, negative pole pad and laminate polymer battery, two laminate polymer battery homopolar symmetries are laid in the both sides of support, it is relative that one side that has laminate polymer battery between arbitrary two adjacent battery units, anodal pad and negative pole pad set up on the support, the busbar is connected with battery unit's support through the screw, each battery unit just, the negative pole passes through the busbar and locks respectively on anodal pad and negative pole pad, each battery unit just, the negative pole is established ties through the busbar. The utility model has the advantages that: the equipment is convenient, and the battery is retrieved and is disassembled easily, can dispel the heat fast by the heat conduction section bar at the discharge process, has promoted the security in the use.

Description

Soft package battery's modular structure

Technical Field

The utility model relates to a battery production field, concretely relates to laminate polymer battery's modular structure.

Background

At present, the soft package battery pack is assembled in a mode of soldering an adapter plate in series, the cost is high, the battery is difficult to recover and disassemble, the soldering connection capacity generates heat during large-current charging and discharging, and great potential safety hazards exist in the mechanical property and the strength of the battery pack.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a laminate polymer battery's modular structure is provided to overcome not enough among the above-mentioned prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a module structure of a soft package battery comprises battery units, heat conduction profiles and busbars, wherein the battery units are arranged side by side, all the battery units are connected into a whole through the busbars, and the heat conduction profiles are arranged between every two adjacent battery units; the battery unit includes the support, anodal pad, negative pole pad and laminate polymer battery, two laminate polymer battery homopolar symmetries are laid in the both sides of support, it is relative that one side that has laminate polymer battery between arbitrary two adjacent battery units, anodal pad and negative pole pad set up on the support, the busbar is connected with battery unit's support through the screw, each battery unit just, the negative pole passes through the busbar and locks respectively on anodal pad and negative pole pad, each battery unit just, the negative pole is established ties through the busbar.

The utility model has the advantages that: the equipment is convenient, and the battery is retrieved and is disassembled easily, can dispel the heat fast by the heat conduction section bar at the discharge process, has promoted the security in the use.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the battery unit still includes that fire-retardant bubble is cotton, all is equipped with fire-retardant bubble cotton in the outside of every battery unit's utmost point ear on the support.

The adoption of the further beneficial effects is as follows: the safety of the module structure of the soft package battery in the using process is improved.

Furthermore, two sides of the bracket, which are not provided with the soft package battery, are wrapped at two ends of the heat-conducting section bar.

The adoption of the further beneficial effects is as follows: effectively improve heat dispersion.

Furthermore, the heat-conducting section bar comprises heat-conducting silica gel, and the two ends of the heat-conducting section bar are covered with the heat-conducting silica gel.

The adoption of the further beneficial effects is as follows: further improving heat dissipation performance.

Further, the upper end middle part of support is sunken, forms the recess, and positive pole pad and negative pole pad all set up on the tank bottom of recess.

The adoption of the further beneficial effects is as follows: the collection wire harness is convenient to arrange in the later stage.

Further, the heat-conducting section is made of aluminum.

The adoption of the further beneficial effects is as follows: good thermal conductivity and light weight.

And the battery pack further comprises end plates and bolts, wherein all the battery units are clamped by the two end plates, and the two end plates and all the battery units are connected through a plurality of bolts.

The adoption of the further beneficial effects is as follows: the assembled battery units can be effectively ensured not to be easily scattered.

The battery pack further comprises terminal blocks, wherein one terminal block is arranged on each of the two end plates, and the positive pole and the negative pole of the whole formed by connecting the plurality of battery units in series through the bus bar are respectively connected with the two terminal blocks.

Furthermore, the battery pack also comprises an insulating separator plate, and the insulating separator plate is arranged between the battery unit at the end part and the end plate.

Further, still include the screw rod, all be equipped with the screw rod on the end plate.

The adoption of the further beneficial effects is as follows: the module structure of whole laminate polymer battery is conveniently fixed in the battery box.

Drawings

Fig. 1 is a schematic structural diagram of a module structure of a soft package battery according to the present invention;

figure 2 is the utility model discloses laminate polymer battery's modular structure's partial structure picture.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the battery pack comprises a battery unit, 110, a support, 111, a groove, 120, a positive electrode bonding pad, 130, a negative electrode bonding pad, 140, a soft package battery, 150, flame-retardant foam, 2, a heat conduction section bar, 3, a bus bar, 4, heat conduction silica gel, 5, a bolt, 6, a terminal table, 7, an insulating partition plate, 8, a screw, 9, an end plate, 10, a voltage acquisition wiring harness, 11 and a protective cover.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 and fig. 2, a module structure of a pouch battery includes battery units 1, a heat conducting profile 2 and busbars 3, wherein a plurality of battery units 1 are arranged side by side, all battery units 1 are connected into a whole through the busbars 3, and the heat conducting profile 2 is arranged between two adjacent battery units 1; the battery unit 1 comprises a support 110, an anode pad 120, a cathode pad 130 and a soft package battery 140, the two soft package batteries 140 are symmetrically arranged on two sides of the support 110 in the same polarity, one side of the soft package battery 140 between any two adjacent battery units 1 is opposite, the anode pad 120 and the cathode pad 130 are arranged on the support 110, a bus bar 3 is connected with the support 110 of the battery unit 1 through screws, the anode and the cathode of each battery unit 1 are respectively locked on the anode pad 120 and the cathode pad 130 through the bus bar 3, and the anode and the cathode of each battery unit 1 are connected in series through the bus bar 3.

Example 2

The battery unit 1 further comprises flame-retardant foam 150, and the bracket 110 is provided with the flame-retardant foam 150 on the outer side of the tab of each battery unit 1.

Example 3

The two ends of the heat conducting section bar 2 cover the two sides of the bracket 110 where the soft package battery 140 is not arranged.

The modular structure of laminate polymer battery still includes heat conduction silica gel 4, and the both ends of heat conduction section bar 2 all cover and have heat conduction silica gel 4.

Example 4

The connection relationship among the plurality of battery units 1 is described in detail by the scheme shown in fig. 1, which is as follows:

the number of the battery units 1 is 9, 9 battery units 1 are arranged side by side, wherein the positive electrode pad 120 of the 1 st battery unit 1 is electrically connected with the negative electrode pad 130 of the 2 nd battery unit 1 through the 1 st bus bar 3, at the same time, the positive electrode of the 1 st battery unit 1 is locked on the positive electrode pad 120 of the 1 st battery unit 1 through the 1 st bus bar 3, the negative electrode of the 2 nd battery unit 1 is locked on the negative electrode pad 130 of the 2 nd battery unit 1 through the 1 st bus bar 3, the positive electrode pad 120 of the 2 nd battery unit 1 is electrically connected with the negative electrode pad 130 of the 3 rd battery unit 1 through the 2 nd bus bar 3, at the same time, the positive electrode of the 2 nd battery unit 1 is locked on the positive electrode pad 120 of the 2 nd battery unit 1 through the 2 nd bus bar 3, the negative electrode of the 3 rd battery unit 1 is locked on the negative electrode pad 130 of the 3 rd battery unit 1 through the 2 nd bus bar 3, and the rest is done in sequence, and all the steps are connected in series.

The middle part of the upper end of the bracket 110 is sunken to form a groove 111, the positive electrode pad 120 and the negative electrode pad 130 are both arranged on the bottom of the groove 111, and the bracket 110 is made of plastic. The heat conducting section bar 2 is made of aluminum; the module structure of laminate polymer battery still includes end plate 9 and bolt 5, and all battery unit 1 are pressed from both sides to two end plates 9, and two end plates 9 link to each other through a plurality of bolts 5 with all battery unit 1, and end plate 9 adopts aluminium to make.

The module structure of the soft package battery further comprises a terminal block 6, the two end plates 9 are respectively provided with one terminal block 6, and the positive pole and the negative pole of the whole formed by connecting the plurality of battery units 1 in series through the bus bar 3 are respectively connected with the two terminal blocks 6.

The module structure of the soft package battery further comprises an insulating partition plate 7, and the insulating partition plate 7 is arranged between the battery unit 1 located at the end part and the end plate 9.

The module structure of the soft package battery further comprises a screw 8, and the end plates 9 are all provided with the screw 8.

The module structure of laminate polymer battery still includes voltage acquisition pencil 10, and voltage acquisition pencil 10 arranges in recess 111, and busbar 3 is connected with voltage acquisition pencil 10 electricity.

The module structure of laminate polymer battery still includes visor 11, and visor 11 is detained on recess 111, and visor 11 is fixed mutually with support 110, and visor 11 protection voltage acquisition pencil 10 and busbar 3 can not be put up by external metal and lead to the short circuit.

First, the battery unit 1 is assembled: the method comprises the following steps of (1) homopolar and symmetrical placing 2 soft package batteries 140 in a plastic support 110 for fixation, installing flame-retardant foam 150, a positive electrode pad 120 and a negative electrode pad 130, firmly welding the joint of battery tabs by laser fusion by using a clamping jig to form a battery unit 1, and fastening a heat conduction section bar 2; the positive and negative poles of each battery unit 1 are connected in series and locked on the positive electrode pad 120 and the negative electrode pad 130 through the bus bar 3, meanwhile, the voltage collecting wire harness 10 of the battery unit 1 is connected, and is intensively arranged through the groove 111 in the middle of the bracket 110, the protective cover 11 is buckled, and then the bus bar 3 is used for leading out the total positive and total negative poles to be fixed on the terminal block 6; and then sequentially installing an insulating partition plate 7 and an end plate 9, fixing and locking the battery unit 1, the insulating partition plate 7 and the end plate 9 by using a bolt 5, adhering heat-conducting silica gel 4 to the exposed surface of the heat-conducting section bar 2, fixing the whole structure in a battery box by using a screw 8, and finally connecting a plurality of assembly structures in series by adopting metal flexible connection.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The module structure of the soft package battery is characterized by comprising battery units (1), heat-conducting profiles (2) and busbars (3), wherein the battery units (1) are arranged side by side, all the battery units (1) are connected into a whole through the busbars (3), and the heat-conducting profiles (2) are arranged between every two adjacent battery units (1); battery unit (1) includes support (110), anodal pad (120), negative pole pad (130) and laminate polymer battery (140), two laminate polymer battery (140) homopolar symmetry lays the both sides of support (110), arbitrary adjacent two one side that has laminate polymer battery (140) between battery unit (1) is relative, anodal pad (120) with negative pole pad (130) set up on support (110), busbar (3) through the screw with the support (110) of battery unit (1) are connected, and each battery unit (1) is just, the negative pole is locked respectively through busbar (3) anodal pad (120) with on negative pole pad (130), each battery unit (1) just, the negative pole is established ties through busbar (3).

2. The module structure of the soft package battery according to claim 1, wherein the battery units (1) further comprise flame-retardant foam (150), and the bracket (110) is provided with the flame-retardant foam (150) at the outer side of the tab of each battery unit (1).

3. The modular structure of the pouch battery according to claim 1, wherein two ends of the heat conducting profile (2) cover two sides of the bracket (110) where the pouch battery (140) is not arranged.

4. The module structure of the soft package battery according to claim 3, further comprising a heat conductive silica gel (4), wherein both ends of the heat conductive section bar (2) are covered with the heat conductive silica gel (4).

5. The module structure of the soft package battery according to claim 1, wherein the middle part of the upper end of the bracket (110) is recessed to form a groove (111), and the positive electrode pad (120) and the negative electrode pad (130) are both disposed on the bottom of the groove (111).

6. The module structure of the soft package battery according to any one of claims 1 to 5, wherein the heat conducting section bar (2) is made of aluminum.

7. The module structure of the soft package battery according to claim 6, further comprising end plates (9) and bolts (5), wherein the two end plates (9) sandwich all the battery units (1), and the two end plates (9) and all the battery units (1) are connected through a plurality of bolts (5).

8. The module structure of the soft package battery according to claim 7, further comprising a terminal block (6), wherein one terminal block (6) is arranged on each of the two end plates (9), and the positive electrode and the negative electrode of the whole formed by connecting the plurality of battery units (1) in series through the bus bar (3) are respectively connected with the two terminal blocks (6).

9. The pouch battery module structure according to claim 7, further comprising an insulating separator (7), wherein the insulating separator (7) is provided between the battery cell (1) at the end and the end plate (9).

10. The modular structure of the soft package battery according to claim 7, further comprising a screw (8), wherein the screw (8) is arranged on each end plate (9).