CN107910485B - Lithium battery module utmost point ear coupling mechanism - Google Patents
Lithium battery module utmost point ear coupling mechanism Download PDFInfo
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- CN107910485B CN107910485B CN201710956719.6A CN201710956719A CN107910485B CN 107910485 B CN107910485 B CN 107910485B CN 201710956719 A CN201710956719 A CN 201710956719A CN 107910485 B CN107910485 B CN 107910485B
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- battery module
- tab
- circuit board
- conductive circuit
- lithium battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a lithium battery module tab connecting mechanism, which comprises: the lithium battery comprises a battery module, a connecting circuit board and a lug connecting bottom plate, wherein the lugs of the lithium battery penetrate through the slotted holes of the lug connecting bottom plate and are mutually overlapped, the lugs, the connecting bottom plate and the connecting circuit board are fixed together, each lug on the connecting circuit board is provided with a lead, and the leads are arranged orderly and welded with a voltage measuring wiring seat for measuring voltage. Through the mode, the lithium battery module lug connecting mechanism disclosed by the invention forms the battery pack with the orderly arranged appearance and lugs by superposing the plurality of flexible package lithium ion power battery units by the partition plates with the positioning function, and has the advantages of high reliability, accuracy in positioning, compact structure, convenience in connection, tidiness, attractiveness and the like.
Description
Technical Field
The invention relates to the field of batteries, in particular to a lithium battery module tab connecting mechanism.
Background
The lithium cell group is passed through the series connection or the parallel connection of utmost point ear by the polylith battery and is in the same place, and the reliability and the convenience of connecting are very important, because the group battery includes a plurality of battery cells, when a large amount is when great, the connection work load between the utmost point ear is great to every utmost point ear all must be linked out a wire and be used for voltage measurement, current utmost point ear all has a lead-out wire, causes a large amount of voltage lines to distribute in the group battery, neat and artistic inadequately on the one hand, on the other hand causes the connection mistake very easily.
Disclosure of Invention
The invention mainly solves the technical problem of providing a pole lug connecting mechanism of a lithium battery module, wherein a plurality of flexibly-packaged lithium ion power battery units are overlapped by using a partition plate with a positioning function to form a battery pack with orderly arranged appearance and pole lugs.
In order to solve the technical problems, the invention adopts a technical scheme that:
the utility model provides a lithium electricity module utmost point ear coupling mechanism includes: the battery module comprises a plurality of single batteries arranged in parallel, the lug connection bottom plate is arranged on the same side face of the lug of each single battery, the connection circuit board is parallel to the lug connection bottom plate, a plurality of first slotted holes arranged in parallel are formed in the lug connection bottom plate, the lug of each single battery penetrates through the first slotted hole, every two lugs are mutually overlapped and pressed together and connected, the connection circuit board comprises a conductive circuit, a voltage measurement wiring seat, a positive electrode lead-out end, a negative electrode lead-out end and a temperature sensor lead-out end, each lug is connected with the corresponding conductive circuit, the voltage measurement wiring seat is introduced into one end of the conductive circuit, the positive electrode lead-out end and the negative electrode lead-out end are electrically connected with the conductive circuit, and the temperature sensor lead-out end is electrically connected with the conductive circuit.
In a preferred embodiment of the present invention, after the tabs pass through the first slots, the tabs pass through second slots corresponding to the tabs on the connecting circuit board, every two tabs are overlapped and connected by ultrasonic wave or laser welding, and each tab and the corresponding conductive circuit are connected by ultrasonic wave or laser welding.
In a preferred embodiment of the present invention, the tab connecting base plate is provided with a threaded hole, the tab and the conductive circuit corresponding to the tab are respectively provided with fixing holes corresponding to the threaded hole, and a screw sequentially passes through the fixing hole of the conductive circuit, the threaded hole of the tab connecting base plate and the fixing hole of the tab corresponding to the conductive circuit to connect.
In a preferred embodiment of the invention, the number of the threaded holes is 1-2.
In a preferred embodiment of the present invention, screw connection holes for leading out the positive and negative electrodes of the battery module are disposed on the conductive circuits at the two ends of the circuit board.
In a preferred embodiment of the present invention, one end of the conductive circuit is connected to the voltage measuring cable seat by soldering.
The invention has the beneficial effects that: a plurality of flexibly packaged lithium ion power battery units are stacked by using the partition plates with the positioning function to form a battery pack with orderly arranged appearance and lugs, and the battery pack has the advantages of high reliability, accurate positioning, compact structure, convenience in connection, tidiness, attractiveness and the like.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural diagram of a tab connection mechanism of a lithium battery module according to a preferred embodiment of the present invention;
fig. 2 is an exploded view of a preferred embodiment of the tab connection mechanism of the lithium battery module according to the present invention;
fig. 3 is a detailed structural diagram of a welding connection manner of a preferred embodiment of the tab connection mechanism of the lithium battery module according to the invention;
fig. 4 is a schematic structural view of a connection circuit board in a welding connection manner according to a preferred embodiment of the tab connection mechanism of the lithium battery module of the present invention;
fig. 5 is a schematic structural view of a tab connection base plate in a welding connection manner according to a preferred embodiment of the tab connection mechanism of the lithium battery module of the present invention;
fig. 6 is a detailed structural diagram of a screw connection manner of a preferred embodiment of the tab connection mechanism of the lithium battery module according to the invention;
fig. 7 is a schematic structural view of a connection circuit board according to a screw connection manner in a preferred embodiment of the tab connection mechanism of the lithium battery module of the present invention;
fig. 8 is a schematic structural view of a tab connection base plate in a screw connection manner according to a preferred embodiment of the tab connection mechanism of the lithium battery module of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, an embodiment of the present invention includes:
the utility model provides a lithium electricity module utmost point ear coupling mechanism, includes: a battery module, a connecting circuit board 2 and a pole ear connecting bottom plate 3, wherein the battery module comprises a plurality of single batteries 1 which are arranged in parallel, the tab connection base plate 3 is arranged on the same side face of the tab 4 of the single battery 1, the connection circuit board 2 and the tab connection base plate 3 are parallel to each other, the pole ear connection bottom plate 3 is provided with a plurality of first slotted holes 5 which are arranged in parallel, the pole ears 4 of the single batteries 1 pass through the first slotted holes 5, every two pole ears 4 are mutually overlapped and connected, the connecting circuit board 2 comprises a conductive circuit 6, a voltage measurement wiring seat 7, positive and negative leading-out ends 8 and a temperature sensor leading-out end 9, each pole ear 4 is connected with the corresponding conductive circuit 6, one end of the conductive circuit 6 is led into the voltage measurement wiring seat 7, the positive and negative leading-out ends 8 are electrically connected with the conductive circuit 6, and the temperature sensor leading-out end 9 is electrically connected with the conductive circuit 6.
Preferably, a connecting circuit board 2 is arranged below the laminated tabs 4, a plurality of conductive circuits 6 are arranged on the connecting circuit board 2 corresponding to the tabs 4, the conductive circuits 6 are finally gathered on a group of two voltage measurement wiring seats 7 for measuring the voltage of each single battery 1, the tabs 4 of the single batteries 1 pass through a first slotted hole 5 of a tab connecting base plate 3 and a second slotted hole of the connecting circuit board 2, are overlapped and welded together in pairs, firstly, the tabs 4 are welded with the conductive circuits 6 corresponding to the tabs on the connecting circuit board 2, then the tabs 4 are welded with each other, therefore, welding seams 10 are respectively arranged between the tabs 4 and the conductive circuits 6 corresponding to the tabs on the connecting circuit board 2 and between the tabs 4, the conductive circuits 6 on the connecting circuit board 2 can lead the voltage of each single battery 1 out to the voltage measurement wiring seats 7, the connection circuit board 2 is also provided with two positive and negative leading-out ends 8 so as to be connected with other battery modules in series and parallel, and meanwhile, the corresponding positions of the positive and negative stages of the battery pack led out from the connection circuit board 2 are provided with a conductive circuit 6 and screw connecting holes for connecting the positive and negative electrodes, and the connection circuit board 2 is also provided with two temperature sensor leading-out ends 9 for measuring temperature.
Preferably, a connecting circuit board 2 is arranged and placed under the laminated pole lugs 4, a plurality of conductive circuits 6 are arranged on the connecting circuit board 2 corresponding to the pole lugs 4, the conductive circuits 6 are finally converged on a group of two voltage measuring wiring seats 7, for measuring the voltage of each single battery 1, the pole ear 4 of the single battery 1 passes through the first slotted hole 5 of the pole ear connecting base plate 3 to be mutually overlapped, the screw 11 sequentially passes through the fixing hole of the connecting circuit board 2 and the fixing hole on the pole ear 4 to be connected with the threaded hole on the pole ear connecting base plate 3, two positive and negative leading-out terminals 8 are arranged on the connecting circuit board 2 so as to be connected with other battery modules in series and parallel, meanwhile, a conductive circuit 6 and a screw connecting hole are arranged at the corresponding position of the positive and negative levels of the battery pack led out on the connecting circuit board 2, the connecting circuit board 2 is used for connecting the positive electrode and the negative electrode, and two temperature sensor leading-out terminals 9 are also arranged on the connecting circuit board 2 and used for measuring temperature.
The lithium battery module tab connecting mechanism has the beneficial effects that:
(1) the whole lug connecting mechanism is not provided with an open wire, all circuits are integrated on the circuit board, and the lug connecting mechanism is compact in structure, convenient to connect, neat and attractive;
(2) the circuit board is provided with a plurality of laminated lugs, and the laminated lugs are connected with the circuit board through bolts;
(3) the gasket type temperature measuring sensor can be directly connected to the screw hole on the lug or the screw hole on the circuit board connected with the lug for conveniently measuring the temperature;
(4) the positive and negative leading-out stages of the battery pack can be conveniently led out through screw holes at two ends of the circuit board.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. The utility model provides a lithium electricity module utmost point ear coupling mechanism which characterized in that includes: the battery module comprises a plurality of single batteries arranged in parallel, the tab connection bottom plate is arranged on the same side face of tabs of the single batteries, the connection circuit board is parallel to the tab connection bottom plate, a plurality of first slotted holes arranged in parallel are formed in the tab connection bottom plate, the tabs of the single batteries penetrate through the first slotted holes, every two tabs are mutually overlapped and connected, the connection circuit board comprises a conductive circuit, a voltage measurement wiring seat, a positive electrode lead-out end, a negative electrode lead-out end and a temperature sensor lead-out end, each tab is connected with the corresponding conductive circuit, the voltage measurement wiring seat is led into one end of the conductive circuit, the positive electrode lead-out end and the negative electrode lead-out end are electrically connected with the conductive circuit, and the temperature sensor lead-out end is electrically connected with the conductive circuit; and the lugs penetrate through the first slotted holes and then penetrate through second slotted holes corresponding to the lugs on the connecting circuit board, every two lugs are mutually overlapped and pressed together and are connected through ultrasonic wave or laser welding, and each lug is connected with the corresponding conductive circuit through the ultrasonic wave or the laser welding.
2. The lithium battery module tab connection mechanism of claim 1, wherein the tab connection base plate is provided with a threaded hole, the tab and the corresponding conductive circuit are respectively provided with a fixing hole corresponding to the threaded hole, and a screw sequentially penetrates through the fixing hole of the conductive circuit, the threaded hole of the tab connection base plate and the fixing hole of the tab corresponding to the conductive circuit to connect.
3. The lithium battery module tab connecting mechanism as claimed in claim 2, wherein the number of the threaded holes is 1-2.
4. The lithium battery module tab connection mechanism according to claim 1, wherein screw connection holes for leading out positive and negative electrodes of the battery module are formed in the conductive circuits at two ends of the circuit board.
5. The lithium battery module tab connection mechanism of claim 1, wherein one end of the conductive circuit is connected with the voltage measurement cable seat by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956719.6A CN107910485B (en) | 2017-10-16 | 2017-10-16 | Lithium battery module utmost point ear coupling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956719.6A CN107910485B (en) | 2017-10-16 | 2017-10-16 | Lithium battery module utmost point ear coupling mechanism |
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| CN107910485A CN107910485A (en) | 2018-04-13 |
| CN107910485B true CN107910485B (en) | 2021-06-18 |
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| CN201710956719.6A Active CN107910485B (en) | 2017-10-16 | 2017-10-16 | Lithium battery module utmost point ear coupling mechanism |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735938B (en) * | 2018-05-03 | 2020-11-03 | 沙洲职业工学院 | Nonporous battery module with welding-free lugs |
| US10680226B2 (en) * | 2018-05-15 | 2020-06-09 | GM Global Technology Operations LLC | Battery assembly having PCBA with cell monitoring and welding assembly features |
| EP3736874B1 (en) * | 2019-05-10 | 2024-09-18 | Andreas Stihl AG & Co. KG | Battery pack, processing system and method for producing a battery pack |
| EP3736873A1 (en) * | 2019-05-10 | 2020-11-11 | Andreas Stihl AG & Co. KG | Battery pack, processing system and method for producing a battery pack |
| CN117219971A (en) * | 2019-06-17 | 2023-12-12 | 东莞新能安科技有限公司 | Battery pack and electrochemical device |
| CN210129547U (en) * | 2019-06-17 | 2020-03-06 | 东莞新能源科技有限公司 | Battery pack and electrochemical device |
| CN110323402A (en) * | 2019-06-17 | 2019-10-11 | 东莞新能源科技有限公司 | Battery component and electrochemical appliance |
| CN110718666A (en) * | 2019-10-28 | 2020-01-21 | 安徽超稳动力节能科技有限公司 | Modular battery pack |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204011548U (en) * | 2014-08-05 | 2014-12-10 | 浙江超威创元实业有限公司 | Lithium ion battery group |
| CN205810935U (en) * | 2016-05-30 | 2016-12-14 | 江苏中兴派能电池有限公司 | Flexible packaging power battery series-parallel connection compound connection structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04301360A (en) * | 1991-03-28 | 1992-10-23 | Sanyo Electric Co Ltd | Manufacture for battery connecting collecting plate to pole plate |
| CN202616301U (en) * | 2012-04-27 | 2012-12-19 | 中航锂电（洛阳）有限公司 | Battery module |
| CN104377336A (en) * | 2014-10-24 | 2015-02-25 | 深圳市格瑞普电池有限公司 | Lithium ion battery pack |
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2017
- 2017-10-16 CN CN201710956719.6A patent/CN107910485B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204011548U (en) * | 2014-08-05 | 2014-12-10 | 浙江超威创元实业有限公司 | Lithium ion battery group |
| CN205810935U (en) * | 2016-05-30 | 2016-12-14 | 江苏中兴派能电池有限公司 | Flexible packaging power battery series-parallel connection compound connection structure |
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| CN107910485A (en) | 2018-04-13 |
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Effective date of registration: 20210527 Address after: No.1 Fuxin Road, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: SHAZHOU PROFESSIONAL INSTITUTE OF TECHNOLOGY Address before: 215600 No. 431, Jiyang Middle Road, yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant before: SUZHOU LIYUANXIN INTELLIGENT TECHNOLOGY Co.,Ltd. |
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