CN205944217U - A busbar that is used for that cylinder type lithium cell group is electrically conductive to be connected - Google Patents

A busbar that is used for that cylinder type lithium cell group is electrically conductive to be connected Download PDF

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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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China
Prior art keywords
bus
bar
hole
busbar
lithium battery
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Active
Application number
CN201620872389.3U
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Chinese (zh)
Inventor
章春元
周志武
金旭平
雷国康
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Dongguan Lilong Battery Technology Co Ltd
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Dongguan Lilong Battery Technology Co Ltd
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Priority to CN201620872389.3U priority Critical patent/CN205944217U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model belongs to the technical field of the battery, in particular to a busbar that is used for that cylinder type lithium cell group is electrically conductive to be connected, including the busbar body and set up in the through -hole of busbar body, the busbar body is provided with the recess of placing the electric aluminum silk, the recess with the through -hole intercommunication. Setting through above -mentioned structure for busbar and battery realization aluminium silk ultrasonic bonding, owing to can play the effect of fuse at group battery short circuit in -process by the aluminium silk, thus improved the security performance of group battery.

Description

A kind of bus-bar being conductively connected for cylindrical lithium battery group
Technical field
The utility model belongs to cell art, particularly to a kind of remittance being conductively connected for cylindrical lithium battery group Stream row.
Background technology
At present, all there is bus-bar in lithium battery group because bus-bar to be electrokinetic cell groups of main in connection in series-parallel Conductive connecting device, is the attachment means connecting main road and branch in battery pack.But tradition bus-bar and battery core pass through laser It is welded to connect, pass through screw connection with battery bracket.There is a problem of that security is not high using above-mentioned connected mode.
Utility model content
The purpose of this utility model is:For the deficiencies in the prior art, and one kind is provided to be used for cylindrical lithium battery group The bus-bar being conductively connected, this bus-bar is provided with the groove placing conductive aluminium wire so that aluminium wire realized by bus-bar and battery surpasses Sound wave welds, and aluminium wire can play the effect of fuse in battery pack short-circuit process, thus improve the security of battery pack Energy.
For achieving the above object, the utility model adopts the following technical scheme that:
A kind of bus-bar being conductively connected for cylindrical lithium battery group, confluxes including bus-bar body and described in being arranged at The through hole of row's body, described bus-bar body is provided with the groove placing conductive aluminium wire, and described groove is connected with described through hole.
As a kind of improvement of the present utility model, the side of described bus-bar body is vertically connected with the first bending piece, institute State the first bending piece and be connected with the second bending piece, described second bending piece is provided with the first fixing hole.
As a kind of improvement of the present utility model, described second bending piece and described bus-bar body are formed with a dead slot.
As a kind of improvement of the present utility model, described bus-bar body is provided with emptiness avoiding hole and location hole.
As a kind of improvement of the present utility model, described bus-bar body is connected with voltage acquisition piece, described voltage acquisition Piece is provided with the second fixing hole.
The beneficial effects of the utility model are:The utility model includes bus-bar body and is arranged at described bus-bar originally The through hole of body, described bus-bar body is provided with the groove placing conductive aluminium wire, and described groove is connected with described through hole.By upper State the setting of structure so that aluminium wire ultrasonic bonding realized by bus-bar and battery, due to can be with aluminium wire in battery pack short-circuit process In play the effect of fuse, thus improve the security performance of battery pack.
Brief description
Fig. 1 is structural representation of the present utility model.
Specific embodiment
With reference to specific embodiment and Figure of description, the utility model is described in further detail, but this The embodiment not limited to this of utility model.
As shown in figure 1, a kind of bus-bar being conductively connected for cylindrical lithium battery group, including bus-bar body 1 and set It is placed in the through hole 2 of bus-bar body 1, bus-bar body 1 is that sheet aluminum material processes, it is logical that bus-bar body 1 is arranged Hole 2 is imperfect circular hole, and the quantity of through hole 2 is multiple, and is uniformly distributed on bus-bar body 1, is mainly used in battery and remittance The conductive solder of stream row, bus-bar body 1 is provided with the groove 3 placing conductive aluminium wire, and groove 3 is connected with through hole 2, groove 3 Quantity is suitable with the quantity of through hole 2, and each groove 3 corresponds to a through hole 2, is so conducive to battery and bus-bar to pass through aluminium wire and surpasses Sound wave welds, and because the setting of groove 3 is it is ensured that the highest point of aluminium wire is less than the plane of bus-bar, plays protection to conductive aluminium wire Effect.
Preferably, the side of bus-bar body 1 is vertically connected with the first bending piece 11, and the first bending piece 11 is connected with second Bending piece 12, the second bending piece 12 is provided with one layer of nickel sheet, and nickel sheet is connected by molecule Diffusion Welding with substrate, so solves Incident galvanic corrosion problems when aluminum bus-bar body 1 and copper bar electrical connection, the second bending piece 12 is provided with the One fixing hole 121, the first fixing hole 121 is conductively connected fixation for external.Second bending piece 12 and bus-bar body 1 are formed There is a dead slot 13, dead slot 13 is used for reducing each battery charging and discharging voltage difference.
Preferably, bus-bar body 1 is provided with emptiness avoiding hole 14 and location hole 15, and emptiness avoiding hole 14 and location hole 15 are used for this reality It is assemblied in battery modules with new.
Preferably, bus-bar body 1 is connected with voltage acquisition piece 16, and voltage acquisition piece 16 is provided with the second fixing hole 161, Second fixing hole 161 is used for being locked of voltage acquisition line.
With respect to prior art, the utility model at least has the advantage that:
1)Bus-bar of the present utility model is novel with the connected mode of battery, battery bracket, and bus-bar passes through aluminium with battery Silk ultrasonic bonding, aluminium wire plays the effect of fuse in battery pack short-circuit process, improves connection safety energy;
2)The utility model solves aluminium wire and is welded to connect the possibility easily destroyed by external force;
3)The utility model uniform current density in multiple batteries in parallel connection conducting process;
4)The utility model avoids incident galvanic corrosion problems when aluminum bus-bar is electrically connected with copper bar.
The announcement of book and teaching according to the above description, the utility model those skilled in the art can also be to above-mentioned reality The mode of applying is changed and is changed.Therefore, the utility model is not limited to above-mentioned specific embodiment, every this area skill The done any conspicuously improved, replacement on the basis of the utility model of art personnel or modification belong to this practicality newly The protection domain of type.Although additionally, employing some specific terms in this specification, these terms are intended merely to conveniently say Bright, any restriction is not constituted to the utility model.

Claims (5)

1. a kind of bus-bar being conductively connected for cylindrical lithium battery group it is characterised in that:Including bus-bar body and setting In the through hole of described bus-bar body, described bus-bar body is provided with the groove placing conductive aluminium wire, described groove with described Through hole connects.
2. the bus-bar being conductively connected for cylindrical lithium battery group according to claim 1 it is characterised in that:Described remittance The side of stream row's body is vertically connected with the first bending piece, and described first bending piece is connected with the second bending piece, described second folding Bending is provided with the first fixing hole.
3. the bus-bar being conductively connected for cylindrical lithium battery group according to claim 2 it is characterised in that:Described Eighty percent discount bending and described bus-bar body are formed with a dead slot.
4. the bus-bar being conductively connected for cylindrical lithium battery group according to claim 1 it is characterised in that:Described remittance Stream row's body is provided with emptiness avoiding hole and location hole.
5. the bus-bar being conductively connected for cylindrical lithium battery group according to claim 1 it is characterised in that:Described remittance Stream row's body is connected with voltage acquisition piece, and described voltage acquisition piece is provided with the second fixing hole.
CN201620872389.3U 2016-08-12 2016-08-12 A busbar that is used for that cylinder type lithium cell group is electrically conductive to be connected Active CN205944217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620872389.3U CN205944217U (en) 2016-08-12 2016-08-12 A busbar that is used for that cylinder type lithium cell group is electrically conductive to be connected

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620872389.3U CN205944217U (en) 2016-08-12 2016-08-12 A busbar that is used for that cylinder type lithium cell group is electrically conductive to be connected

Publications (1)

Publication Number Publication Date
CN205944217U true CN205944217U (en) 2017-02-08

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Cited By (8)

* Cited by examiner, † Cited by third party
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
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

Cited By (10)

* Cited by examiner, † Cited by third party
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
CN111416094A (en) * 2019-09-20 2020-07-14 杭州乾代科技有限公司 Lithium ion 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
CN110890578B (en) * 2019-09-20 2021-10-29 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

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