CN213816351U

CN213816351U - Energy storage battery module structure

Info

Publication number: CN213816351U
Application number: CN202120081089.4U
Authority: CN
Inventors: 熊亚昆; 李振轩; 高汉宁; 闫静; 白科; 陈富源
Original assignee: Jiangxi ANC New Energy Technology Co Ltd
Current assignee: Jiangxi ANC New Energy Technology Co Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-07-27
Anticipated expiration: 2031-01-13

Abstract

The utility model provides an energy storage battery module structure, the structure subassembly include metal end plate, electric core, pencil integrated board, collection aluminium busbar, apron, collection pencil and packing area. The battery pack comprises a plurality of square battery cells, a metal end plate, an insulating paste and a binding belt, wherein the square battery cells are stacked along one direction, two rectangular pole columns with opposite polarities are arranged on each battery cell, the metal end plates are placed at two grouped ends of the stacked battery cells, the back parts of the metal end plates are pasted with the insulating paste, the insulativity between the battery cells and the metal end plates is ensured, the metal end plates are provided with module fixing holes and binding belt buckles, the module fixing holes and the binding belt fixing holes are respectively used for fixing the module and a box body, and the binding belt fixing module integrally leans on a plastic packing belt to be fastened, and the elastic characteristics of the plastic packing belt ensure the influence of the bulge of the battery cells on the module in the charging and discharging process; the upper cover plate is a thin plastic sheet, the upper cover plate and the wiring harness integrated board are connected through the plastic rivets, the upper cover plate is low in cost and light in weight, and the overall cost of the module is reduced on the basis of ensuring the insulativity of the module.

Description

Energy storage battery module structure

Technical Field

The utility model relates to a new forms of energy lithium cell technical field, in particular to energy storage battery module structure.

Background

There are three main areas of energy storage application: the emergency power supply of the communication base station, the household energy storage and the large-scale wind and light energy storage are large in proportion, the household energy storage has a large development capacity expansion space by means of the wave of 'energy families', and the large-scale wind and light energy storage is small in short term, so that the emergency power supply of the communication base station and the household energy storage are the main trend of energy storage lithium battery development at present, and the market demand is large.

With the development of energy storage lithium batteries, the fundamental concern of users is cost and safety, and the fundamental concern of enterprises is whether the productivity can be improved, the cost can be reduced and the safety can be improved. The module is as an energy storage system's a basic unit of constituteing, and it is its development trend to make its simple structure easily assemble through the optimization of structure, and raw and other materials cost reduces and then increases economic benefits.

With the development of energy storage lithium batteries, the demand of the energy storage lithium batteries on the market is larger and larger, and the energy storage lithium batteries have large investment and development space. The existing energy storage battery grouping mode mainly comprises a battery module and a CTP mode, wherein the two modes respectively have advantages and disadvantages and respectively occupy certain market space. The development trend of the battery module is cost optimization, rapid assembly and simple structure.

In view of this, this patent provides an energy storage battery module structure, and the energy storage battery module that adopts this method to prepare, its simple structure easily assembles, and required accessory is cheap and easily purchase, and structural strength passes through packing area and the good Busbar fastening of welding, has reduced manufacturing cost effectively on the basis of guaranteeing module intensity, improves economic benefits.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy storage battery module structure, it is big to aim at solving battery expansibility after current energy storage battery module is in groups, the rubber coated mode absorption battery expansibility in battery clearance position is adopted to traditional method, this kind of mode operation is complicated, require highly to equipment performance, if the rubber coating is not enough or uneven, can lead to battery expansibility to decompose the effect poor and traditional battery module mainly by the metal end plate, the metal side board, electric core, the structure is glued, the pencil integrated board, the aluminium bar that converges, the apron, the collection line, the steel band etc. is constituteed, material cost is high, be unfavorable for module cost control's problem.

The utility model provides an energy storage battery module structure, including the metal end plate, square electric core, total integrated plate, the plastics rivet, the apron, the packing area, energy storage battery module structure both ends set up the metal end plate, a plurality of square electric cores are along the flat back of piling up of a direction, place in the centre of both ends metal end plate, the top of square electric core is fixed with total integrated plate, total integrated plate is provided with plastics rivet locating hole, square electric core passes through plastics fix with rivet with total integrated plate, total integrated plate top sets up the apron, the apron sets up the round hole, accessible plastics fix with rivet, the metal end plate is fixed through the packing area with square electric core.

Further, the metal end plate is "L" type, including ribbon fixed orifices, insulating subsides, module fixed orifices, packing banding groove, the metal end plate top sets up the ribbon fixed orifices, and the interior facade of metal end plate is pasted and is had insulating subsides, and insulating subsides are connected with square electric core, and the outer facade of metal end plate sets up the module fixed orifices, and the below sets up packing banding groove, and packing area accessible packing banding groove fixes metal end plate and square electric core.

Furthermore, the total integrated board comprises a wiring harness integrated board, plastic rivet positioning holes, wiring grooves, collecting wiring harnesses, confluence aluminum bars and pole columns, wherein the wiring harness integrated board is positioned on two sides of the total integrated board, 6-8 plastic rivet positioning holes are formed in the wiring harness integrated board, the wiring harness integrated board is fixed through plastic rivets, the wiring harness integrated board is provided with grooves, the confluence aluminum bars are respectively fixed in the diagonal directions of two ends of the module, the pole columns are arranged at the central positions of the confluence aluminum bars, the wiring grooves are formed in the middle of the total integrated board, wires connected with square electric cores are fixed in the wiring grooves, the wiring grooves are connected with the collecting wiring harnesses, and the collecting wiring harnesses are connected with the outside of the module.

Furthermore, the cover plate is made of insulating plastic, round holes are distributed in the cover plate, and the cover plate and the total integrated plate are riveted and fixed through plastic rivets.

Further, the number of the round holes can be 4-10, and the fixed number of the plastic rivets can be correspondingly adjusted, preferably 6-8.

Furthermore, the packing belt is made of elastic materials.

The beneficial effects of the utility model reside in that a complete structure of energy storage battery module is provided, the structure subassembly includes metal end plate, electric core, pencil integrated board, aluminium bar that converges, apron, collection pencil and packing area. The cover plate is a plastic insulating sheet and can be formed by simple machining, so that the cost is saved; the module end plate is simple to process, does not need to be opened, is integrated with a ribbon positioning hole, and has rich functions; the module is wholly bound fixedly through plastics packing area, has certain elasticity when guaranteeing intensity, has avoided the electric core negative effects that the bulging brought.

Drawings

Fig. 1 is a schematic structural diagram of an energy storage battery module structure according to the present invention;

FIG. 2 is a schematic structural view of a total integrated board;

FIG. 3 is a schematic view of the assembly of the wiring harness integration plate and the cover plate;

fig. 4 is a schematic structural view of a metal end plate.

In the figure: 1-a metal end plate; 11-a band fixing hole; 12-an insulating patch; 13-module fixing holes; 14-strap slot for packing;

2-square electric core;

3-total integrated plate; 31-a wiring harness integration plate; 311-plastic rivet locating holes; 312-a wiring trough; 32-collecting the wiring harness; 33-busbar aluminum; 331-pole;

4-plastic rivets;

5-cover plate;

6-baling belt

7-round hole

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to the above schematic structure, the present invention provides an energy storage battery module structure, wherein a square battery cell 2 is arranged along one direction, the electric cores are arranged at equal intervals according to the set serial-parallel connection, a total integrated plate 3 is arranged above the square electric core array, the total integrated plate 3 comprises a wire harness integrated plate 31, a collection wire harness 32 and a confluence aluminum bar 33, wherein the aluminum busbar 33 is placed in the groove of the wiring harness integration plate 31 and fixed by a buckle, the pole 331 connects the module with an external high-voltage line, the collection wiring harness 32 is arranged in the wiring groove 312, and emerges from the wiring harness integration plate 31 to be finally connected with the terminal, the total integration plate 3 and the cover plate 5 are connected and fixed through the plastic rivet 4, the total integrated plate 3 and the cover plate 5 are both provided with round holes, the plastic rivets are firmly combined with the plastic rivet positioning holes 311 through interference fit, and the number of the rivets is controlled according to a use scene;

furthermore, the number of the round holes and the number of the plastic rivets are preferably 6-8;

the two ends of the module are provided with metal end plates 1, the back of each metal end plate is pasted with an insulating patch 12 for insulating the metal end plate and the battery core, a binding belt fixing hole 11 is formed above each metal end plate and used for integrally fixing a binding belt and a wire harness, a module fixing hole 13 is formed below each metal end plate, a hole type is a waist hole, the shape and size are determined according to the size of the module and the type of a fixing screw, and a packaging belt clamping groove 14 is used for positioning a packaging belt 6;

the module is wholly fixed through packing area 6, and packing area quantity is 2, is located module bottom and top respectively.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An energy storage battery module structure comprises a metal end plate (1), square battery cells (2), a total integration plate (3), plastic rivets (4), a cover plate (5) and a packing belt (6), and is characterized in that the metal end plate (1) is arranged at two ends of the energy storage battery module structure, a plurality of square battery cells (2) are placed in the middle of the metal end plates (1) at two ends after being stacked in a horizontal mode along one direction, the total integration plate (3) is fixed at the top end of each square battery cell (2), the total integration plate (3) is provided with a plastic rivet positioning hole (311), the square battery cells (2) and the total integration plate (3) are fixed through the plastic rivets (4), the cover plate (5) is arranged above the total integration plate (3), the cover plate (5) is provided with a round hole (7) and can be fixed through the plastic rivets (4), the metal end plate (1) and the square battery cell (2) are fixed through the packing belt (6).

2. The energy storage battery module structure of claim 1, wherein the metal end plate (1) is in an "L" shape and comprises a ribbon fixing hole (11), an insulating sticker (12), a module fixing hole (13) and a packaging ribbon binding groove (14), the ribbon fixing hole (11) is formed in the top end of the metal end plate (1), the insulating sticker (12) is pasted on the inner vertical face of the metal end plate (1), the insulating sticker (12) is connected with the square battery cell (2), the module fixing hole (13) is formed in the outer vertical face of the metal end plate (1), the packaging ribbon binding groove (14) is formed in the lower portion of the metal end plate (1), and the packaging ribbon binding groove is used for fixing the metal end plate (1) and the square battery cell (2) through the packaging ribbon binding groove.

3. The energy storage battery module structure according to claim 1, wherein the total integrated board (3) comprises a wiring harness integrated board (31), plastic rivet positioning holes (311), wiring channels (312), collecting wiring harnesses (32), bus aluminum bars (33) and pole posts (331), the wiring harness integrated board (31) is positioned at two sides of the total integrated board (3), the wiring harness integrated board (31) is provided with 6-8 plastic rivet positioning holes (311), the wiring harness integrated board (31) is fixed through the plastic rivets (4), the wiring harness integrated board (31) is provided with a groove, the bus aluminum bars (33) are respectively fixed at two ends of the module in diagonal directions, the pole posts (331) are arranged at the central position of the bus aluminum bars (33), the wiring channels (312) are arranged in the middle of the total integrated board (3), and wires connected with the square battery cores (2) are fixed at the wiring channels (312), the wiring groove (312) is connected with the collection wiring harness (32), and the collection wiring harness (32) is connected with the outside of the module.

4. The energy storage battery module structure of claim 1, characterized in that the cover plate (5) is made of insulating plastic, round holes (7) are distributed on the cover plate, and the cover plate (5) and the total integrated plate (3) are riveted and fixed through plastic rivets (4).

5. The energy storage battery module structure according to claim 4, characterized in that the number of the round holes (7) is 4-10, and the fixed number of the plastic rivets (4) can be adjusted accordingly.

6. The energy storage battery module structure of claim 1, characterized in that the strapping band (6) is made of an elastic material.