CN212587610U

CN212587610U - Battery module

Info

Publication number: CN212587610U
Application number: CN202021208216.4U
Authority: CN
Inventors: 王金明; 王志; 彭先明
Original assignee: Jiangsu Yonggui New Energy Technology Co ltd
Current assignee: Jiangsu Yonggui New Energy Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-23
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a battery module, which comprises a stainless steel cell pressing plate, a cell plastic shell and a cell, wherein the cell plastic shell and the cell are alternately arranged between the two stainless steel cell pressing plates; the battery cell plastic shell comprises a bottom plate, wherein a vertical plate is arranged at the edge of the bottom plate and used for wrapping battery cells arranged on two sides of the bottom plate; a positive electrode and a negative electrode are arranged on two sides of the front end of each battery cell; a positive aluminum busbar and a negative aluminum busbar are fixed at the front end of each cell, and a positive electrode and a negative electrode of each cell are respectively connected to the positive aluminum busbar and the negative aluminum busbar; the stainless steel cell pressing plates on the two sides are respectively provided with a busbar fixing seat, the busbar fixing seats on the two sides are respectively used for fixing the two ends of a positive aluminum busbar and a negative aluminum busbar, and a busbar cover is arranged on each busbar fixing seat; has the advantages of stable and safe operation, convenient assembly and reasonable temperature control.

Description

Battery module

Technical Field

The utility model belongs to the technical field of the battery module, concretely relates to battery module.

Background

The power battery is a core component of the electric automobile, provides a power source for tools, and provides power for the electric automobile, the electric train, the electric bicycle and the like, the battery module is formed by assembling an upper support frame, a side support frame, a lower support frame and a plurality of batteries, and the battery module can effectively transmit current, so that the use requirements of customers are met.

However, the current battery module is cumbersome to fix, cannot adapt to different sizes of battery modules for fixing, and reduces the working efficiency of the battery module.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery module to solve the problem that present battery module exists on fixed mounting and temperature regulation.

The utility model provides a following technical scheme:

a battery module comprises stainless steel cell pressing plates, cell plastic shells and cells, wherein the cell plastic shells and the cells are alternately arranged between the two stainless steel cell pressing plates; the battery cell plastic shell comprises a bottom plate, wherein a vertical plate is arranged at the edge of the bottom plate and used for wrapping battery cells arranged on two sides of the bottom plate; a positive electrode and a negative electrode are arranged on two sides of the front end of each battery cell; a positive aluminum busbar and a negative aluminum busbar are fixed at the front end of each cell, and a positive electrode and a negative electrode of each cell are respectively connected to the positive aluminum busbar and the negative aluminum busbar; both sides be provided with female fixing base of arranging on the stainless steel electricity core clamp plate respectively, both sides female fixing base of arranging is used for the female both ends of arranging of fixed anodal aluminium respectively and negative pole aluminium, be provided with female lid of arranging on the female fixing base of arranging.

Preferably, the vertical plate comprises supporting vertical plates arranged on the left side and the right side of the bottom plate and connecting vertical plates arranged on the front side and the rear side of the bottom plate.

Preferably, the upper surface and the lower surface of the supporting vertical plate are correspondingly provided with a positioning pin and a positioning column, and the connecting vertical plate is used for fixing the positive aluminum busbar and the negative aluminum busbar.

Preferably, the positive aluminum busbar and the negative aluminum busbar are respectively provided with connecting holes at intervals for connecting a positive electrode and a negative electrode of a battery cell, and an aluminum sheet is sleeved outside each connecting hole.

Preferably, the outside of the aluminum sheet is provided with a bus clip, and the bus clip is connected to the cell plastic shell through a buckle.

Preferably, the battery module further comprises a temperature controller, and the temperature controller comprises a processor, and a driving module and an acquisition module which are electrically connected with the processor.

Preferably, the bottom plate of the battery cell plastic shell is provided with through holes, heating plates and refrigerating plates at intervals, the heating plates and the refrigerating plates are alternately arranged in the through holes, and the heating plates and the refrigerating plates are respectively connected to the driving module through wires.

Preferably, a temperature sensor is arranged on the inner wall of the vertical plate of the battery cell plastic shell, and the temperature sensor is connected to the acquisition module through a wire.

Preferably, the front side and the rear side of the stainless steel cell pressing plate are provided with fixing lug pieces, and battery baffles are fixed on the fixing lug pieces.

Preferably, fixing seats are arranged on the left side and the right side of the stainless steel cell pressing plate, and stainless steel supports are fixed on the fixing seats.

The utility model has the advantages that:

the utility model relates to a battery module, which has a reliable structure, can ensure that each battery cell can stably operate in the battery module, and has better safety; the whole assembly is convenient, the automatic production is suitable, and the sampling requirement of the industry can be met; meanwhile, the temperature detection and adjustment by taking the battery cell as a unit enable the working temperature to be more reasonably controlled.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

labeled as:

1. the battery comprises a stainless steel battery cell pressing plate, 11 fixing lug buckles, 12 fixing seats, 13 battery baffle plates, 2 battery cell plastic shells, 21 bottom plates, 22 vertical plates, 23 through holes, 3 battery cells, 31 positive electrodes, 32 negative electrodes, 4 positive aluminum busbars, 41 negative aluminum busbars, 42 connecting holes, 43 aluminum sheets, 44 bus clips, 5 bus fixing seats and 51 bus covers.

Detailed Description

As shown in fig. 1-2, a battery module includes a stainless steel cell pressing plate 1, a cell plastic shell 2, and a cell 3, wherein the cell plastic shell 2 and the cell 3 are alternately disposed between the two stainless steel cell pressing plates 1; fixing lug buckles 11 are arranged on the front side and the rear side of the stainless steel cell pressing plate 1, a battery baffle 13 is fixed on the fixing lug buckles 11, fixing seats 12 are arranged on the left side and the right side of the stainless steel cell pressing plate 1, and stainless steel supports are fixed on the fixing seats 12; the battery baffle 13 is used for protecting the space when the battery module is assembled on other equipment, and the stainless steel bracket is used for reinforcing the whole battery module;

the battery cell plastic shell 2 comprises a bottom plate 21, vertical plates 22 are arranged at the edges of the bottom plate 21, and the vertical plates 22 are used for wrapping the battery cells 3 arranged on the two sides of the bottom plate 21; the vertical plate 22 comprises a supporting vertical plate arranged on the left side and the right side of the bottom plate 21 and connecting vertical plates arranged on the front side and the rear side of the bottom plate, the upper surface and the lower surface of the supporting vertical plate are correspondingly provided with positioning pins and positioning columns, the stability between the adjacent cell plastic shells 2 is conveniently ensured through the positioning pins and the positioning columns, and the connecting vertical plates are used for fixing the anode aluminum busbar 4 and the cathode aluminum busbar 41.

A positive electrode 31 and a negative electrode 32 are arranged on two sides of the front end of each battery cell 3; a positive aluminum busbar 4 and a negative aluminum busbar 41 are fixed at the front end of each cell 3, and a positive electrode 31 and a negative electrode 32 of each cell 3 are respectively connected to the positive aluminum busbar 4 and the negative aluminum busbar 41; connecting holes 42 for connecting the positive electrode 31 and the negative electrode 32 of the battery cell 3 are respectively arranged on the positive aluminum busbar 4 and the negative aluminum busbar 41 at intervals, an aluminum sheet 43 is sleeved outside each connecting hole 42, a bus clip 44 is arranged outside each aluminum sheet 43, and each bus clip 44 is connected to the battery cell plastic shell 2 through a buckle; the aluminum sheets 43 are arranged at the connecting holes in a cushioning manner, so that the positive electrode 31 and the negative electrode 32 of the battery cell 3 can be tightly connected with the positive aluminum busbar 4 and the negative aluminum busbar 41 respectively, and the conductive capability of the battery cell is prevented from being affected by looseness; the stainless steel cell pressing plates 1 on the two sides are respectively provided with a busbar fixing seat 5, the busbar fixing seats 5 on the two sides are respectively used for fixing two ends of a positive aluminum busbar 4 and a negative aluminum busbar 41, and a busbar cover 51 is arranged on the busbar fixing seat 5; the busbar cover 51 and the busbar clamp 44 are both protection pieces, and the safety of the conduction of the inner side is protected.

The battery module further comprises a temperature controller, the temperature controller comprises a processor, a driving module and an acquisition module, the driving module is electrically connected with the processor, through holes 23 are formed in a bottom plate of the battery cell plastic shell 2 at intervals, heating pieces and refrigerating pieces are alternately arranged in the through holes 23, the heating pieces and the refrigerating pieces are respectively connected to the driving module through wires, a temperature sensor is arranged on the inner wall of a vertical plate 22 of the battery cell plastic shell 2, and the temperature sensor is connected to the acquisition module through wires; use every electric core 3 as the unit, carry out temperature detection and regulation, compare and use whole battery module to carry out temperature detection and regulation as the unit, the effect is fine, and temperature regulation is more even.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery module is characterized by comprising stainless steel cell pressing plates, cell plastic shells and cells, wherein the cell plastic shells and the cells are alternately arranged between the two stainless steel cell pressing plates; the battery cell plastic shell comprises a bottom plate, wherein a vertical plate is arranged at the edge of the bottom plate and used for wrapping battery cells arranged on two sides of the bottom plate; a positive electrode and a negative electrode are arranged on two sides of the front end of each battery cell; a positive aluminum busbar and a negative aluminum busbar are fixed at the front end of each cell, and a positive electrode and a negative electrode of each cell are respectively connected to the positive aluminum busbar and the negative aluminum busbar; both sides be provided with female fixing base of arranging on the stainless steel electricity core clamp plate respectively, both sides female fixing base of arranging is used for the female both ends of arranging of fixed anodal aluminium respectively and negative pole aluminium, be provided with female lid of arranging on the female fixing base of arranging.

2. The battery module as claimed in claim 1, wherein the vertical plate comprises supporting vertical plates disposed on the left and right sides of the bottom plate and connecting vertical plates disposed on the front and rear sides of the bottom plate.

3. The battery module according to claim 2, wherein the upper surface and the lower surface of the supporting vertical plate are correspondingly provided with a positioning pin and a positioning post, and the connecting vertical plate is used for fixing the positive aluminum busbar and the negative aluminum busbar.

4. The battery module according to claim 1, wherein the positive aluminum busbar and the negative aluminum busbar are respectively provided with connecting holes at intervals for connecting a positive electrode and a negative electrode of a battery cell, and an aluminum sheet is sleeved outside each connecting hole.

5. The battery module according to claim 4, wherein a bus bar clip is arranged on the outer side of the aluminum sheet, and the bus bar clip is connected to the cell plastic shell through a buckle.

6. The battery module as claimed in claim 1, further comprising a temperature controller, wherein the temperature controller comprises a processor, and a driving module and a collecting module electrically connected to the processor.

7. The battery module according to claim 6, wherein the bottom plate of the cell plastic casing is provided with through holes, heating plates and cooling plates at intervals, the heating plates and the cooling plates are alternately arranged in the through holes, and the heating plates and the cooling plates are respectively connected to the driving module through wires.

8. The battery module according to claim 7, wherein a temperature sensor is arranged on an inner wall of a vertical plate of the cell plastic shell, and the temperature sensor is connected to the acquisition module through a wire.

9. The battery module of claim 1, wherein the front side and the rear side of the stainless steel cell pressing plate are provided with fixing lugs, and a battery baffle is fixed on the fixing lugs.

10. The battery module according to claim 9, wherein fixing seats are arranged on the left and right sides of the stainless steel cell pressing plate, and stainless steel brackets are fixed on the fixing seats.