CN217214944U

CN217214944U - Integrated parallel cylindrical battery cell module support

Info

Publication number: CN217214944U
Application number: CN202123203838.5U
Authority: CN
Inventors: 强磊; 张华�
Original assignee: Changzhou You Mi New Energy Technology Ltd corp
Current assignee: Hangzhou Batrui New Energy Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-08-16
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a parallelly connected cylinder electricity core module support of integral type, including electric core upper bracket, electric core lower carriage, be provided with the cylindrical through-hole that is array form and arranges on the electric core upper bracket, on the electric core lower carriage with cylindrical through-hole one-to-one is array form and is provided with a plurality of electric core spacing groove, cylinder electricity core by cylindrical through-hole and electric core spacing groove are fixed in the electric core support of constituteing by electric core upper bracket and electric core lower carriage, the both ends fixed mounting of electric core support has the current-carrying piece, the current-carrying piece is parallelly connected the battery module is constituteed to the cylinder electricity core. The utility model discloses a parallelly connected cylinder electricity core module support of integral type, its module and module structure are succinct compact, convenient assembling to structural strength is high after in groups, and the technology is ripe, and production efficiency is high, can be used to various service environment.

Description

Integrated parallel cylindrical battery cell module support

Technical Field

The utility model belongs to the technical field of the lithium cell module, concretely relates to electric core module support of integral type, in particular to integral type electric core module support suitable for cylinder electricity core.

Background

With the development of science and technology and the progress of society, new energy automobiles become the key point of the research and development of the automobile industry in the future due to the increasing exhaustion of petroleum resources and the pressure of environmental protection; the most key part of the new energy electric vehicle is recognized by the industry at present to be a power battery system assembly, the most common power battery of the pure electric vehicle at present is a secondary lithium battery, and a plurality of single lithium batteries are combined in different series or parallel or series-parallel combination modes to provide the voltage and the electric quantity required by the electric vehicle.

In the prior art, the technology is the most stable, and the cost is the first choice that 18650 cylinder electricity core becomes to solve in the aspect of in groups problem, but 18650 cylinder electricity core support simple structure on the market, its structure intensity in groups is low, and the application has the safety risk in vehicle and removal energy storage station.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model aims at providing a parallelly connected cylinder electricity core module support of integral type.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a parallelly connected cylinder electricity core module support of integral type, includes electric core upper bracket, electric core lower carriage, be provided with the cylindrical through-hole that is array form and arranges on the electric core upper bracket, on the electric core lower carriage with cylindrical through-hole one-to-one ground is array form and is provided with a plurality of electric core spacing groove, cylinder electricity core by cylindrical through-hole and electric core spacing groove are fixed in by electric core upper bracket and the electric core support of electric core lower carriage constitution in, the both ends fixed mounting of electric core support has the current-carrying piece, the current-carrying piece is parallelly connected the battery module is constituteed to the cylinder electricity core.

Further, a mica sheet is arranged on the outer side of the current-carrying sheet.

Furthermore, be provided with two at least projections on the electric core lower carriage, on the electric core upper bracket with the projection corresponds and is provided with spacing hole, electric core upper bracket and electric core lower carriage pass through the projection and with spacing hole location installation as an organic whole.

Further, the side of electricity core upper bracket is provided with the wiring mouth, the module support is provided with a plurality ofly, and the wiring mouth of different module supports establishes ties through the series connection busbar.

Further, the current-carrying piece includes the current-carrying piece body and sets up a plurality of on the current-carrying piece body and be the through-hole that the array was arranged, and every through-hole department all is provided with by the contact of current-carrying piece body to the through-hole internal extension.

Further, the contact piece and the current-carrying piece body are not on the same plane.

Furthermore, the current-carrying sheets are welded at two ends of the cylindrical battery cell, and the mica sheets are fixed at two sides of the battery module through screws.

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

the utility model discloses a parallelly connected cylinder electricity core module support of integral type, its module and module structure are succinct compact, convenient assembling to structural strength is high after in groups, and the technology is ripe, and production efficiency is high, can be used to various service environment.

Drawings

Fig. 1 is an exploded view of an integrated parallel cylindrical cell module support;

fig. 2 is an external view of an integrated parallel cylindrical cell module support;

FIG. 3 is a schematic structural view of a mica sheet;

fig. 4 is a schematic diagram of a structure of a current-carrying sheet;

fig. 5 is a schematic structural diagram of a cell support;

fig. 6 is a schematic diagram of the structure of the serial bus.

The labels in the figure are: 1. mica sheets; 2. a current-carrying sheet; 2-1, a contact sheet; 3. a battery cell upper bracket; 3-1, cylindrical through holes; 4. a cylindrical cell; 5. a first bolt; 6. a second bolt; 7. a serial bus; 8. a nut; 9. a battery cell lower support; 9-1, a battery cell limiting groove; 9-2, convex columns; 10. and a wiring port.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

This embodiment provides a parallelly connected cylinder electricity core module support of integral type, and this parallelly connected cylinder electricity core module support of integral type is used for making electric core in groups, and specially adapted constitutes integral type electricity core module with cylinder electricity core. In this embodiment, 18650 cylindrical cells are taken as an example, 18650 cylindrical cells are a standard lithium ion battery model number, where 18 denotes a diameter of 18mm, 65 denotes a length of 65mm, and 0 denotes a cylindrical battery.

The structure of the parallel cylindrical battery cell module support of this embodiment is as shown in fig. 1-2, and the module support in this embodiment is used for encapsulating a plurality of battery cells with the same shell frame together, and when contacting with the outside through unified boundary, this constitutes a module. This module support includes electric core upper bracket 3, electric core lower carriage 9 to and be used for realizing first bolt 5, second bolt 6, nut 8 connected. Specifically, a plurality of cylindrical through holes 3-1 are arranged on the battery cell upper support 3, and the cylindrical through holes 3-1 are arranged in an array, as shown in fig. 1. The battery cell lower support 9 is provided with a plurality of battery cell limiting grooves 9-1, the number of the battery cell limiting grooves is the same as that of the cylindrical through holes 3-1, the battery cell limiting grooves 9-1 are also arranged in an array shape, and the positions of the battery cell limiting grooves correspond to the cylindrical through holes 3-1 on the battery cell upper support 3 one by one, as shown in fig. 1 and 5. 18650 the bottom of the cylindrical battery is placed in the battery limiting groove 9-1 of the battery lower support 9, the upper part of the cylindrical battery passes through the corresponding cylindrical through hole 3-1 of the battery upper support 3, and the cylindrical through hole 3-1 and the battery limiting groove 9-1 are fixed in the battery support composed of the battery upper support 3 and the battery lower support 9.

As shown in fig. 1, in this embodiment, current-carrying sheets 2 are fixedly mounted at two ends of the cell support, and a plurality of 18650 cylindrical cells are connected in parallel through the current-carrying sheets 2, so as to form a battery module. Further preferably, a mica sheet 1 may be further disposed outside the carrier sheet.

In order to better implement accurate alignment installation of the upper battery cell support and the lower battery cell support, at least two protruding columns 9-2 are further disposed on the lower battery cell support 9 in this embodiment, as shown in fig. 1 and 5, 2 protruding columns 9-2 are specifically disposed in this embodiment. Correspondingly, a limiting hole (not shown in the figure) is arranged on the battery cell upper bracket 3, and the position of the limiting hole corresponds to the position of the convex column 9-2 one by one. The battery cell upper bracket 3 and the battery cell lower bracket 9 are positioned and installed into a whole through the mutual matching between the convex column 9-2 on the battery cell lower bracket 9 and the limiting hole on the battery cell upper bracket 3.

In some cases, a single battery module may not meet the power requirement of the pure electric vehicle, and a plurality of battery modules are connected in series. Therefore, the present embodiment further provides a wiring port 10 on the side surface of the cell upper bracket 3, and the wiring ports 10 of different module brackets are connected by the serial bus bar 7 as shown in fig. 6, so that a plurality of battery modules are connected in series.

The preferable structure of the mica sheet 1 in this embodiment is as shown in fig. 3, the four corners of the mica sheet 1 are respectively provided with a bolt hole, and the mica sheet 1 is fixedly mounted on two sides of the battery module by passing through the bolt holes through bolts.

A preferred structure of the current-carrying chip 2 in this embodiment is shown in fig. 4, and the current-carrying chip 4 is welded to both ends of the cylindrical battery cell. The current-carrying piece 4 comprises a current-carrying piece body and a plurality of through holes arranged on the current-carrying piece body in an array mode, the number of the through holes is the same as that of the battery cores, the positions of the through holes correspond to those of the battery cores one to one, a contact piece 2-1 extending from the current-carrying piece body to the inside of each through hole is arranged at each through hole, and further preferably, the contact piece 2-1 and the current-carrying piece body are not on the same plane. The contact piece 2-1 is in contact with the anode or the cathode of the 18650 cylindrical cell. Through carrying out configuration optimization design to current-carrying piece 2, can connect in parallel and constitute battery module with a plurality of 18650 cylinder electricity cores through current-carrying piece 2 more effectively.

When the battery is used, the battery core is placed into the battery core bracket, the upper bracket and the lower bracket are combined to fix the battery core, and the upper bracket and the lower bracket can be fastened by bolts. The battery cell quantity is according to the demand, at the both sides welding current-carrying piece of electric core support, and parallelly connected electric core constitutes the battery module on the current-carrying piece. Mica sheets can be fixed on two sides of the module by screws, and the welding sheets are made of copper-nickel materials commonly. The outside of the bracket is provided with a wiring port, so that a plurality of battery modules can be conveniently connected in series and combined for use.

In conclusion, the integral parallel cylindrical battery cell module bracket of the embodiment has the advantages of simple and compact structure, convenience in assembly, high structural strength after grouping, mature process and high production efficiency, and can be used in various use environments.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a parallelly connected cylinder electricity core module support of integral type, a serial communication port, including electric core upper bracket, electric core lower carriage, be provided with the cylindrical through-hole that is array form and arranges on the electric core upper bracket, on the electric core lower carriage with cylindrical through-hole one-to-one is array form and is provided with a plurality of electric core spacing groove, cylinder electricity core by cylindrical through-hole and electric core spacing groove are fixed in by electric core upper bracket and the electric core support of electric core lower carriage constitution in, the both ends fixed mounting of electric core support has the current-carrying piece, the current-carrying piece is parallelly connected the battery module is constituteed to the cylinder electricity core.

2. The integrated parallel cylindrical battery cell module support of claim 1, wherein mica sheets are further arranged outside the current-carrying sheets.

3. The integrated parallel cylindrical battery cell module support according to claim 1 or 2, wherein the battery cell lower support is provided with at least two protruding columns, the battery cell upper support is provided with limiting holes corresponding to the protruding columns, and the battery cell upper support and the battery cell lower support are positioned and installed into a whole through the protruding columns and the limiting holes.

4. The integrated parallel cylindrical battery cell module support of claim 1, wherein a plurality of wiring ports are formed in the side surface of the battery cell upper support, and the wiring ports of different module supports are connected in series through a series bus.

5. The integrated parallel cylindrical battery cell module support of claim 1, wherein the current-carrying sheet comprises a current-carrying sheet body and a plurality of through holes arranged in an array on the current-carrying sheet body, and each through hole is provided with a contact piece extending from the current-carrying sheet body into the through hole.

6. The bracket of claim 5, wherein the contact pieces and the current-carrying piece bodies are not on the same plane.

7. The bracket of claim 2, wherein the current-carrying sheets are welded to two ends of the cylindrical battery cell, and the mica sheets are fixed to two sides of the battery module by screws.