CN205944217U - A bus bar for conductive connection of cylindrical lithium battery pack - Google Patents
A bus bar for conductive connection of cylindrical lithium battery pack Download PDFInfo
- Publication number
- CN205944217U CN205944217U CN201620872389.3U CN201620872389U CN205944217U CN 205944217 U CN205944217 U CN 205944217U CN 201620872389 U CN201620872389 U CN 201620872389U CN 205944217 U CN205944217 U CN 205944217U
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- Prior art keywords
- bus bar
- bus
- lithium battery
- bar
- cylindrical lithium
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- 239000004411 aluminium Substances 0.000 claims abstract 2
- 238000005452 bending Methods 0.000 claims description 16
- 238000003466 welding Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
技术领域technical field
本实用新型属于电池技术领域，特别涉及一种用于圆柱型锂电池组导电连接的汇流排。The utility model belongs to the technical field of batteries, in particular to a bus bar for conductive connection of cylindrical lithium battery packs.
背景技术Background technique
目前，在锂电池组中均存在汇流排，因为汇流排是动力电池在串并联成组的主要导电连接装置，是连接电池组中主路和分路的连接装置。然而传统汇流排与电芯通过激光焊接连接，与电池支架通过螺丝连接。采用上述连接方式存在安全性不高的问题。At present, there are bus bars in lithium battery packs, because the bus bar is the main conductive connection device for power batteries connected in series and parallel, and is the connection device for connecting the main circuit and the shunt circuit in the battery pack. However, the traditional busbar is connected to the battery cell by laser welding, and connected to the battery bracket by screws. There is a problem of low security in adopting the above-mentioned connection manner.
实用新型内容Utility model content
本实用新型的目的在于：针对现有技术的不足，而提供一种用于圆柱型锂电池组导电连接的汇流排，该汇流排设置有放置导电铝丝的凹槽，使得汇流排与电池实现铝丝超声波焊接，铝丝在电池组短路过程中可以起到保险丝的作用，从而提高了电池组的安全性能。The purpose of the utility model is to provide a bus bar for the conductive connection of cylindrical lithium battery packs in view of the deficiencies of the prior art, the bus bar is provided with a groove for placing conductive aluminum wires, so that the bus bar and the battery can realize The aluminum wire is ultrasonically welded, and the aluminum wire can act as a fuse during the short circuit of the battery pack, thereby improving the safety performance of the battery pack.
为实现上述目的，本实用新型采用如下技术方案：In order to achieve the above object, the utility model adopts the following technical solutions:
一种用于圆柱型锂电池组导电连接的汇流排，包括汇流排本体及设置于所述汇流排本体的通孔，所述汇流排本体设置有放置导电铝丝的凹槽，所述凹槽与所述通孔连通。A bus bar for conductive connection of a cylindrical lithium battery pack, comprising a bus bar body and a through hole arranged on the bus bar body, the bus bar body is provided with a groove for placing a conductive aluminum wire, and the groove communicate with the through hole.
作为本实用新型的一种改进，所述汇流排本体的一侧垂直连接有第一折弯片，所述第一折弯片连接有第二折弯片，所述第二折弯片设置有第一固定孔。As an improvement of the utility model, one side of the busbar body is vertically connected with a first bending piece, and the first bending piece is connected with a second bending piece, and the second bending piece is provided with first fixing hole.
作为本实用新型的一种改进，所述第二折弯片和所述汇流排本体形成有一空槽。As an improvement of the present invention, a hollow groove is formed between the second bending piece and the main body of the bus bar.
作为本实用新型的一种改进，所述汇流排本体设置有避空孔和定位孔。As an improvement of the utility model, the bus bar body is provided with avoidance holes and positioning holes.
作为本实用新型的一种改进，所述汇流排本体连接有电压采集片，所述电压采集片设置有第二固定孔。As an improvement of the utility model, the bus bar body is connected with a voltage collection piece, and the voltage collection piece is provided with a second fixing hole.
本实用新型的有益效果在于：本实用新型包括汇流排本体及设置于所述汇流排本体的通孔，所述汇流排本体设置有放置导电铝丝的凹槽，所述凹槽与所述通孔连通。通过上述结构的设置，使得汇流排与电池实现铝丝超声波焊接，由于可以铝丝在电池组短路过程中起到保险丝的作用，从而提高了电池组的安全性能。The beneficial effect of the utility model is that the utility model includes a bus bar body and a through hole arranged on the bus bar body, the bus bar body is provided with a groove for placing conductive aluminum wire, and the groove is connected to the through hole. The holes are connected. Through the setting of the above structure, the bus bar and the battery are ultrasonically welded with aluminum wire, and the safety performance of the battery pack is improved because the aluminum wire can act as a fuse during the short circuit of the battery pack.
附图说明Description of drawings
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
具体实施方式detailed description
下面结合具体实施方式和说明书附图，对本实用新型作进一步详细的描述，但本实用新型的实施方式不限于此。The utility model will be further described in detail below in conjunction with the specific implementation and the accompanying drawings, but the implementation of the utility model is not limited thereto.
如图1所示，一种用于圆柱型锂电池组导电连接的汇流排，包括汇流排本体1及设置于汇流排本体1的通孔2，汇流排本体1是片状铝制材料加工而成，汇流排本体1设置的通孔2为不完整圆孔，通孔2的数量为多个，且均匀分布于汇流排本体1上，主要用于电池与汇流排的导电焊接，汇流排本体1设置有放置导电铝丝的凹槽3，凹槽3与通孔2连通，凹槽3的数量与通孔2的数量相当，每个凹槽3对应一个通孔2，这样有利于电池与汇流排通过铝丝超声波焊接，由于凹槽3的设置，确保铝丝的最高处低于汇流排的平面，对导电铝丝起到保护作用。As shown in Figure 1, a bus bar for the conductive connection of a cylindrical lithium battery pack includes a bus bar body 1 and a through hole 2 disposed on the bus bar body 1, and the bus bar body 1 is processed from a sheet-shaped aluminum material. As a result, the through hole 2 provided by the bus bar body 1 is an incomplete round hole. The number of through holes 2 is multiple and evenly distributed on the bus bar body 1. It is mainly used for conductive welding between the battery and the bus bar. The bus bar body 1 is provided with grooves 3 for placing conductive aluminum wires, the grooves 3 communicate with the through holes 2, the number of the grooves 3 is equivalent to the number of the through holes 2, and each groove 3 corresponds to a through hole 2, which is beneficial to the connection between the battery and the through hole 2. The busbar is ultrasonically welded by the aluminum wire. Due to the setting of the groove 3, it is ensured that the highest point of the aluminum wire is lower than the plane of the busbar, which protects the conductive aluminum wire.
优选地，汇流排本体1的一侧垂直连接有第一折弯片11，第一折弯片11连接有第二折弯片12，第二折弯片12上设置有一层镍片，镍片与基板通过分子扩散焊接相连，这样解决了铝制汇流排本体1与铜排电气连接时易发生的电化学腐蚀问题，第二折弯片12设置有第一固定孔121，第一固定孔121用于对外的导电连接固定。第二折弯片12和汇流排本体1形成有一空槽13，空槽13用于减少每个电池充放电电压差。Preferably, one side of the bus bar body 1 is vertically connected with a first bending piece 11, and the first bending piece 11 is connected with a second bending piece 12, and a layer of nickel sheet is arranged on the second bending piece 12, and the nickel sheet It is connected to the substrate by molecular diffusion welding, which solves the problem of electrochemical corrosion that is prone to occur when the aluminum bus bar body 1 is electrically connected to the copper bar. The second bending piece 12 is provided with a first fixing hole 121, and the first fixing hole 121 Used for external conductive connection and fixation. The second bending piece 12 and the bus bar body 1 form a hollow slot 13, which is used to reduce the charging and discharging voltage difference of each battery.
优选地，汇流排本体1设置有避空孔14和定位孔15，避空孔14和定位孔15用于本实用新型装配于电池模组中。Preferably, the busbar body 1 is provided with an escape hole 14 and a positioning hole 15, which are used for assembling the utility model in a battery module.
优选地，汇流排本体1连接有电压采集片16，电压采集片16设置有第二固定孔161，第二固定孔161用于电压采集线的锁紧固定。Preferably, the bus bar body 1 is connected with a voltage collection piece 16, and the voltage collection piece 16 is provided with a second fixing hole 161, and the second fixing hole 161 is used for locking and fixing the voltage collection line.
相对于现有技术，本实用新型至少具有以下优势：Compared with the prior art, the utility model has at least the following advantages:
1）本实用新型的汇流排与电池、电池支架的连接方式新颖，汇流排与电池通过铝丝超声波焊接，铝丝在电池组短路过程中起到保险丝的作用，提高了连接安全性能； 1) The connection mode of the bus bar, the battery and the battery bracket of the utility model is novel. The bus bar and the battery are ultrasonically welded by aluminum wire, and the aluminum wire acts as a fuse during the short circuit of the battery pack, which improves the connection safety performance;
2）本实用新型解决了铝丝焊接连接容易被外力破坏的可能； 2) The utility model solves the possibility that the aluminum wire welding connection is easily damaged by external force;
3）本实用新型在多个并联电池导电过程中电流密度均匀； 3) The utility model has a uniform current density during the conduction process of multiple parallel batteries;
4）本实用新型避免了铝制汇流排与铜排电气连接时易发生的电化学腐蚀问题。 4) The utility model avoids the electrochemical corrosion problem that is easy to occur when the aluminum busbar is electrically connected with the copper bar.
根据上述说明书的揭示和教导，本实用新型所属领域的技术人员还能够对上述实施方式进行变更和修改。因此，本实用新型并不局限于上述的具体实施方式，凡是本领域技术人员在本实用新型的基础上所作出的任何显而易见的改进、替换或变型均属于本实用新型的保护范围。此外，尽管本说明书中使用了一些特定的术语，但这些术语只是为了方便说明，并不对本实用新型构成任何限制。According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the above specific implementation manners, and any obvious improvement, replacement or modification made by those skilled in the art on the basis of the utility model shall belong to the protection scope of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872389.3U CN205944217U (en) | 2016-08-12 | 2016-08-12 | A bus bar for conductive connection of cylindrical lithium battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872389.3U CN205944217U (en) | 2016-08-12 | 2016-08-12 | A bus bar for conductive connection of cylindrical lithium battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN205944217U true CN205944217U (en) | 2017-02-08 |
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| CN201620872389.3U Active CN205944217U (en) | 2016-08-12 | 2016-08-12 | A bus bar for conductive connection of cylindrical lithium battery pack |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204418A (en) * | 2017-07-17 | 2017-09-26 | 镇江科信动力系统设计研究有限公司 | A kind of aluminium wire welds bus-bar |
| CN110890578A (en) * | 2019-09-20 | 2020-03-17 | 杭州乾代科技有限公司 | Method for manufacturing battery module |
| CN110943256A (en) * | 2019-10-25 | 2020-03-31 | 杭州乾代科技有限公司 | Lithium battery module |
| CN110943191A (en) * | 2019-10-25 | 2020-03-31 | 杭州乾代科技有限公司 | Lithium battery module and manufacturing method thereof |
| CN111029658A (en) * | 2019-09-20 | 2020-04-17 | 杭州乾代科技有限公司 | Manufacturing method of lithium battery module |
| CN111261810A (en) * | 2019-09-20 | 2020-06-09 | 杭州乾代科技有限公司 | Battery module |
| CN111416144A (en) * | 2019-09-20 | 2020-07-14 | 杭州乾代科技有限公司 | Lithium ion battery module |
| CN111540944A (en) * | 2019-09-20 | 2020-08-14 | 杭州乾代科技有限公司 | Assembled lithium battery module |
| WO2025031223A1 (en) * | 2023-08-09 | 2025-02-13 | 惠州亿纬锂能股份有限公司 | Battery module |
-
2016
- 2016-08-12 CN CN201620872389.3U patent/CN205944217U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204418A (en) * | 2017-07-17 | 2017-09-26 | 镇江科信动力系统设计研究有限公司 | A kind of aluminium wire welds bus-bar |
| CN110890578A (en) * | 2019-09-20 | 2020-03-17 | 杭州乾代科技有限公司 | Method for manufacturing battery module |
| CN111029658A (en) * | 2019-09-20 | 2020-04-17 | 杭州乾代科技有限公司 | Manufacturing method of lithium battery module |
| CN111261810A (en) * | 2019-09-20 | 2020-06-09 | 杭州乾代科技有限公司 | Battery module |
| CN111416144A (en) * | 2019-09-20 | 2020-07-14 | 杭州乾代科技有限公司 | Lithium ion battery module |
| CN111416094A (en) * | 2019-09-20 | 2020-07-14 | 杭州乾代科技有限公司 | Lithium ion battery module |
| CN111540944A (en) * | 2019-09-20 | 2020-08-14 | 杭州乾代科技有限公司 | Assembled lithium battery module |
| CN110890578B (en) * | 2019-09-20 | 2021-10-29 | 杭州乾代科技有限公司 | Method for manufacturing battery module |
| CN111261810B (en) * | 2019-09-20 | 2023-02-28 | 杭州乾代科技有限公司 | Battery module |
| CN110943256A (en) * | 2019-10-25 | 2020-03-31 | 杭州乾代科技有限公司 | Lithium battery module |
| CN110943191A (en) * | 2019-10-25 | 2020-03-31 | 杭州乾代科技有限公司 | Lithium battery module and manufacturing method thereof |
| WO2025031223A1 (en) * | 2023-08-09 | 2025-02-13 | 惠州亿纬锂能股份有限公司 | Battery module |
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| C14 | Grant of patent or utility model | ||
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