CN210224149U - Lithium ion battery module with flexible connection structure - Google Patents
Lithium ion battery module with flexible connection structure Download PDFInfo
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- CN210224149U CN210224149U CN201921453114.6U CN201921453114U CN210224149U CN 210224149 U CN210224149 U CN 210224149U CN 201921453114 U CN201921453114 U CN 201921453114U CN 210224149 U CN210224149 U CN 210224149U
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- lithium ion
- ion battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a lithium ion battery module of flexible connection structure, contains shell structure frame, sets up a plurality of lithium ion battery monomer in shell structure frame, sets up the flexible module coupling assembling on a plurality of lithium ion battery monomer. The flexible module connecting assembly consists of a plurality of plastic pieces which are connected in a string, two terminal leading-out electrode plastic pieces, a plurality of metal bridging pieces for connecting batteries in series and parallel and a plurality of plastic clamping pieces. The lithium ion battery and the shell structure frame are welded and combined by laser welding, then the flexible module connecting assembly is assembled on the series-parallel connection battery, the metal jumper is assembled on the flexible module connecting assembly according to the series-parallel connection requirement, and then the plastic clamping piece is installed. The utility model discloses can effectively realize the series-parallel combination of the multiple mode of battery module, improve the design and the equipment flexibility of lithium ion battery module, security and reliability are applicable to fields such as energy storage, communication and electric automobile.
Description
Technical Field
The utility model relates to a flexible connection structure's lithium ion battery module.
Background
Series connection or parallel connection between the traditional lithium ion battery module all adopt foraminiferous jumper directly to pass the battery cell utmost point post, adopt mechanical connection mode to compress tightly the jumper through nut utmost point post of screwing, it has good assembly nature, but lithium ion battery group torque control is loaded down with trivial details in the assembling process, need use in the assembling process in addition and play extra annex such as pad, flat pad or lock nut to the complexity of equipment has been increased. Later, the industry proposed an integrally formed wire harness isolation plate as a new connection mode carrier, but the connection carrier cannot be used when the series-parallel connection combination mode is relatively complex, and therefore, it is very important to develop a lithium ion battery module with a flexible connection structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flexible connection structure's lithium ion battery module, series connection between the lithium ion battery monomer or parallelly connected realize through flexible coupling assembling, can effectively improve the design and equipment flexibility, security and the reliability of lithium ion battery module to can improve the uniformity of lithium ion battery module connection internal resistance, increase cycle life is applicable to fields such as energy storage, communication and electric automobile.
In order to achieve the above object, the utility model provides a flexible connection structure's lithium ion battery module, this lithium ion battery module contain shell structure frame, set up a plurality of lithium ion battery monomer in shell structure frame, set up the flexible module coupling assembling on a plurality of lithium ion battery monomer.
The flexible module connecting assembly consists of a plurality of plastic pieces which are connected in a string, two terminal leading-out electrode plastic pieces, a plurality of metal bridging pieces for connecting batteries in a series-parallel mode and a plurality of plastic clamping pieces.
And mounting grooves are formed in the surfaces of the plastic piece and the terminal leading-out electrode plastic piece which are connected in a string in a lump, and the mounting grooves are used for placing metal bridging pieces.
The metal bridging sheet is fixedly connected with the plastic clamping piece, and then laser welding is carried out to ensure that the metal bridging sheet is fixedly connected with the anode and cathode poles of the single lithium ion battery.
The plastic part, the terminal leading-out pole plastic part and the plastic clamping part which are connected in a string are all integrally injection-molded plastic parts.
The bosses are arranged in the middle of the plastic piece and the terminal leading-out electrode plastic piece which are connected in series, and the positions of the safety valves of the lithium ion battery monomers are arranged below the bosses, so that effective safety protection can be realized.
The plastic clamping piece is provided with a buckle which is tightly locked with a series of plastic pieces and terminal leading-out pole plastic pieces.
The metal jumper is preferably made of aluminum alloy or copper nickel-plated composite metal.
The combination mode of the lithium ion battery module with the flexible connection structure is that the shell structure frame and the lithium ion battery monomer are welded and combined by laser welding, then the flexible module connecting assembly is assembled on the series-parallel connection batteries, the metal jumper is assembled on the flexible module connecting assembly according to the series-parallel connection requirements, then the plastic clamping piece is installed, and the metal jumper is connected with the plurality of series-parallel connection lithium ion battery monomers by laser welding.
The utility model discloses following beneficial effect has:
1. the flexible module connecting assembly is adopted to replace a conventional integrally formed wiring harness isolation plate in the prior art, series connection and parallel connection combination in any form can be realized, and design and operation flexibility is improved.
2. The battery module is simple in assembly mode, the battery pole column and the bridging sheet are connected and fastened, the connection internal resistance between the lithium ion battery monomers can be effectively reduced, the power density is improved, the internal resistance consistency of the lithium ion battery module is improved, and the cycle service life is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a lithium ion battery module according to the present invention;
fig. 2 is a schematic diagram illustrating the assembly of the flexible module connecting assembly according to the present invention;
fig. 3 is the structure diagram of the flexible module connecting assembly of the present invention.
Detailed Description
The preferred embodiment of the present invention will be described in detail below with reference to fig. 1 to 3.
As shown in fig. 1, the utility model provides a flexible connection structure's lithium ion battery module, this lithium ion battery module contain shell structure frame 1, set up a plurality of lithium ion battery monomer 2 in shell structure frame 1, set up flexible module coupling assembling 3 on a plurality of lithium ion battery monomer 2. Firstly, the shell structure frame 1 and the lithium ion battery monomer 2 are welded and combined by laser welding, and then the flexible module connecting assembly 3 is assembled on the module.
As shown in fig. 2, the flexible module connecting assembly 3 is composed of a plurality of plastic pieces 31 connected in series, two terminal extraction electrode plastic pieces 32, a plurality of metal jumper strips 33 connected in series and parallel, and a plurality of plastic clamping pieces 34.
The metal jumper 33 is fixedly connected with the plastic clamping piece 34, and then laser welding is carried out, so that the metal jumper 33 is fixedly connected with the positive and negative electrode posts of the lithium ion battery monomer 2.
The metal jumper 33 is preferably made of aluminum metal or copper-nickel-plated composite metal.
As shown in fig. 3, the plastic member 31, the terminal extraction electrode plastic member 32 and the plastic clip member 34 are all integrally injection molded plastic members.
The bosses 3b are arranged in the middle of the plastic part 31 and the terminal leading-out electrode plastic part 32 which are connected in series, and the safety valve position of the lithium ion battery monomer 2 is arranged below the bosses 3b, so that effective safety protection can be realized.
The plastic card member 34 has a latch 3c, and the latch 3c is locked with the plastic member 31 and the terminal extraction electrode plastic member 32.
When assembling the lithium ion battery module, according to the lithium ion battery monomer series connection or parallel connection requirement, firstly adopt laser welding combination with a plurality of lithium ion battery monomers 2 to the shell structure frame 1, then assemble the flexible module connecting assembly 3 on the series-parallel connection battery, assemble the metal jumper 33 on the flexible module connecting assembly 3 according to the series-parallel connection requirement, then install the plastic clamping piece 34, the metal jumper 33 adopts laser welding mode with a plurality of series-parallel connection lithium ion battery monomers 2 to connect, accomplish the assembly of the lithium ion battery module.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (6)
1. A lithium ion battery module with a flexible connection structure is characterized by comprising a shell structure frame (1), a plurality of lithium ion battery single bodies (2) arranged in the shell structure frame (1), and a flexible module connection assembly (3) arranged on the plurality of lithium ion battery single bodies (2);
the flexible module connecting assembly (3) consists of a plurality of plastic parts (31) which are connected in series, two terminal leading-out electrode plastic parts (32), a plurality of metal jumper plates (33) which are used for connecting batteries in series and in parallel, and a plurality of plastic clamping pieces (34);
mounting grooves (3a) are formed in the surfaces of the plastic parts (31) and the terminal leading-out electrode plastic parts (32) which are connected in a row, and the mounting grooves (3a) are used for placing metal bridging pieces (33);
the metal jumper (33) is fixedly connected with the plastic clamping piece (34), and then laser welding is carried out, so that the metal jumper (33) is fixedly connected with the positive and negative electrode posts of the lithium ion battery monomer (2).
2. The lithium ion battery module with flexible connection structure as claimed in claim 1, wherein the plastic member (31), the terminal extraction electrode plastic member (32) and the plastic clip member (34) are all integrally injection molded plastic members.
3. The lithium ion battery module with the flexible connection structure as claimed in claim 1, wherein the plastic part (31) and the terminal leading-out electrode plastic part (32) in a row have a boss (3b) in the middle, and the safety valve position of the lithium ion battery cell (2) is below the boss (3 b).
4. The lithium ion battery module with the flexible connection structure according to claim 1, wherein the metal jumper (33) is made of aluminum alloy or copper-nickel-plated composite metal.
5. The lithium ion battery module with flexible connection structure as claimed in claim 1, wherein the plastic latch (34) has a latch (3c), and the latch (3c) is locked with the plastic member (31) and the terminal extraction electrode plastic member (32) in series.
6. The lithium ion battery module with the flexible connection structure according to claim 1, wherein the housing structure frame (1) and the lithium ion battery cells (2) are combined by laser welding, the flexible module connecting assembly (3) is assembled on the series-parallel batteries, the metal jumper (33) is assembled on the flexible module connecting assembly according to the series-parallel requirements, then the plastic clamping piece (34) is installed, and the metal jumper (33) is connected with the plurality of series-parallel lithium ion battery cells (2) by laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453114.6U CN210224149U (en) | 2019-09-03 | 2019-09-03 | Lithium ion battery module with flexible connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453114.6U CN210224149U (en) | 2019-09-03 | 2019-09-03 | Lithium ion battery module with flexible connection structure |
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| Publication Number | Publication Date |
|---|---|
| CN210224149U true CN210224149U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921453114.6U Active CN210224149U (en) | 2019-09-03 | 2019-09-03 | Lithium ion battery module with flexible connection structure |
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| CN (1) | CN210224149U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115332715A (en) * | 2022-10-10 | 2022-11-11 | 深圳海润新能源科技有限公司 | Wire harness isolation plate assembly and battery module |
| CN115411461A (en) * | 2022-10-10 | 2022-11-29 | 厦门海辰储能科技股份有限公司 | Wiring harness isolation board and battery module |
-
2019
- 2019-09-03 CN CN201921453114.6U patent/CN210224149U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115332715A (en) * | 2022-10-10 | 2022-11-11 | 深圳海润新能源科技有限公司 | Wire harness isolation plate assembly and battery module |
| CN115411461A (en) * | 2022-10-10 | 2022-11-29 | 厦门海辰储能科技股份有限公司 | Wiring harness isolation board and battery module |
| CN115411461B (en) * | 2022-10-10 | 2023-09-08 | 厦门海辰储能科技股份有限公司 | Wire harness isolation plate and battery module |
| WO2024078425A1 (en) * | 2022-10-10 | 2024-04-18 | 厦门海辰储能科技股份有限公司 | Harness isolation boards and battery modules |
| WO2024078173A1 (en) * | 2022-10-10 | 2024-04-18 | 深圳海辰储能科技有限公司 | Wire harness isolation plate assembly and battery module |
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Address after: Room 923, building a, Castle Peak headquarters building, 2666 Longxiang Road, Longwan District, Wenzhou City, Zhejiang Province 325024 Patentee after: Ruipu Lanjun Energy Co.,Ltd. Patentee after: Shanghai ruipuqing innovative energy Co., Ltd Address before: Room 923, building a, Castle Peak headquarters building, 2666 Longxiang Road, Longwan District, Wenzhou City, Zhejiang Province 325024 Patentee before: RUIPU ENERGY Co.,Ltd. Patentee before: Shanghai ruipuqing innovative energy Co., Ltd |