CN201425951Y - Battery terminal sheet and battery pack having same - Google Patents

Battery terminal sheet and battery pack having same Download PDF

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Publication number
CN201425951Y
CN201425951Y CN2009200033461U CN200920003346U CN201425951Y CN 201425951 Y CN201425951 Y CN 201425951Y CN 2009200033461 U CN2009200033461 U CN 2009200033461U CN 200920003346 U CN200920003346 U CN 200920003346U CN 201425951 Y CN201425951 Y CN 201425951Y
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CN
China
Prior art keywords
burst
battery
terminal
terminal plate
connecting portion
Prior art date
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Expired - Fee Related
Application number
CN2009200033461U
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Chinese (zh)
Inventor
魏彦杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Energy Wuxi Co Ltd
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Panasonic Energy Wuxi Co Ltd
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Priority to CN2009200033461U priority Critical patent/CN201425951Y/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 provides a battery terminal sheet and a battery pack having same. The battery terminal sheet is provided with a first segmental sheet for welding a conductor bundle and a second segmental sheet for welding a battery terminal, and is characterized in that the first segmental sheet is connected with the second segmental sheet through a connection part, and the first and the secondsegmental sheets are arranged to be folded by bending the connection part. The battery terminal sheet solves the problem that the terminal sheet is overlong after being installed, and the length alongthe arrangement direction of the battery is short after being installed, a heat shrinkage bush of the adjacent battery is free from being torn, and the short circuit of the battery assembly can be prevented.

Description

Battery terminal sheet and have the battery pack of this terminal plate
Technical field
The utility model relates to a kind of battery terminal sheet and has the battery pack of this terminal plate.
Background technology
All the time, when battery pack need be drawn bundle conductor, often adopt a kind of terminal plate, an end points of this terminal plate is welded on the battery, the other end bundle conductor of then burn-oning.This terminal plate generally adopts the nickel plate of strip, at first bundle conductor is welded in a sidepiece of terminal plate on technology, then is welded on the battery terminal by instrument or manual the other side that will be welded with the terminal plate of bundle conductor.
For example shown in Fig. 1 (a), Fig. 1 (b), the left side point of the terminal plate 1 ' of strip is welded on the positive terminal 6 ' of battery, right side B welding positive wire bundle 4 ', but because the positive terminal diameter of AA/AAA battery is less usually, therefore at a postwelding, the outer rim of the above-mentioned right side of terminal plate 1 ' causes the battery pack short circuit with regard to the hidden danger that the heat-shrinkable T bush of adjacent cells 8 ' negative terminal side is poked is arranged.
In addition, the structure that replaces terminal plate and adopt alternate manner to carry out the battery terminal connection is arranged, as the described various structures of patent documentation 1-3, but this each structure is all complicated, and for the battery pack technical field that requires miniaturization day by day, it has the obstacle that can't go beyond.
Patent documentation 1:CN200610005169.1
Patent documentation 2:CN200710145806.X
Patent documentation 3:CN200510084328.7
The utility model content
The purpose of this utility model is to provide a kind of battery terminal sheet and has the battery pack of this terminal plate, this terminal plate has solved terminal plate the long problem in back has been installed, the length along the battery-arrangements direction after installation is shorter, can not poke the heat-shrinkable T bush of adjacent cells terminals side, prevent the short circuit of battery pack.
In order to solve the problems of the technologies described above, battery terminal sheet of the present utility model has first burst that is used for the welding lead bundle and is used to weld second burst of battery terminal, it is characterized in that, described first burst is connected by connecting portion with described second burst, and described first burst and described second burst are configured to via described connecting portion crooked and folding opposed.
According to battery terminal sheet of the present utility model, the length along the battery-arrangements direction after its installation is shorter than the terminal plate of prior art, thereby can not poke the heat-shrinkable T bush of adjacent cells terminals side, prevents the short circuit of battery pack.
Battery terminal sheet of the present utility model is preferably, described connecting portion is formed on the length direction central authorities of described terminal plate, length when described terminal plate flattens is 4/3 to 2 times of battery positive terminal diameter, width is smaller or equal to the battery positive terminal diameter, the bending strength of described connecting portion is less than the bending strength of described first burst and described second burst, and this connecting portion and described first burst and described second burst are one-body molded.
Battery terminal sheet of the present utility model is preferably, described first burst and described second burst be in smaller or equal to 180 the degree arbitrarily angled, preferably these two bursts are vertical mutually.And then the length of described connecting portion on described terminal plate Width is shorter than the width of described terminal plate, and forms the eel-like figure shape.
Battery terminal of the present utility model is preferably, and described connecting portion comprises one or more groove that extends along described terminal plate Width.
Battery terminal of the present utility model is preferably, and the length of described connecting portion on described terminal plate Width is shorter than the width of described terminal plate, and forms the eel-like figure shape.
Battery terminal of the present utility model is preferably, and described connecting portion and described first burst and described second burst are one-body molded, and the thickness of this connecting portion is than described first burst and described second burst thin thickness separately.
Battery terminal of the present utility model is preferably, and the microscler certain-length that become smaller or equal to terminal plate width of described connecting portion on the Width of described terminal plate do not misplace to postpone folding mutually to guarantee described first burst and described second burst.
The utility model also provides a kind of battery, and this battery uses as the described battery terminal sheet of above-mentioned each scheme on battery positive terminal at least.
Description of drawings
Fig. 1 (a) is the terminal plate mounting structure of prior art.
Fig. 1 (b) looks enlarged drawing for the master of the part that surrounded by circle among Fig. 1 (a).
Fig. 2 (a) and Fig. 2 (b) represent terminal plate of the present utility model.
Fig. 3 is the mounting structure of terminal plate of the present utility model.
Fig. 4 represents the terminal plate of another embodiment of the present utility model.
Fig. 5 represents the terminal plate of another embodiment of the present utility model.
Fig. 6 (a) and Fig. 6 (b) represent the vertical view and the front view of the terminal plate of other embodiment of the present utility model respectively.
Symbol description
1,11,12,13 terminal plates
2,21,22,23,2 ' first burst
3,31,32,33,3 ' second burst
4,4 ' positive wire bundle
5,5 ' cathode conductor bundle
6,6 ' battery positive terminal
7,71,72,73 connecting portions
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
The terminal plate 1 of Fig. 2 (a) and Fig. 2 (b) expression embodiment of the present utility model.This terminal plate 1 is by orthogonal first burst 2 and second burst 3 constitute via connecting portion 7, and first burst 2 in these two bursts is used to weld bundle conductor 4, the second bursts 3 of drawing and is used for being welded in battery terminal 6 by spot welding.Below terminal plate 1 of the present utility model is applicable to the situation of a certain positive terminal 6 in the battery pack that is made of two batteries is that example is specifically described.
Above-mentioned terminal plate 1 is by cutting the nickel sheet material and punch process and directly form the right angle terminals sheet, wherein, first burst 2 and second burst, 3 shapes and size are roughly the same, be rectangle, and via intervenient aftermentioned connecting portion 7 connections, this first burst 2, second burst 3 and connecting portion 7 are one-body molded.
When mounting terminal sheet 1, at first the positive wire bundle 4 and first burst 2 are welded as follows, promptly so that positive wire bundle 4 weld from the mode that the side of the contiguous connecting portion 7 of first burst 2 vertically extends, and this welding is implemented on first burst 2 and the faces 3 rectangular outsides of second burst.Make second burst 3 its illustrated bottom surface is welded in battery positive terminal 6 then, afterwards, first burst 2 is pressed to second burst 3, make two bursts 2,3 crooked and folding opposed via connecting portion 7 by instrument or craft by spot welding.
As shown in Figure 3, this is folding roughly to be the shape of second burst when terminal plate 1 of postpone is overlooked, and the length of terminal plate on the battery-arrangements direction after promptly folding is the width of the terminal plate before installing itself.Here, claim that the orientation of two bursts was the length direction of terminal plate when terminal plate flattened, vertically this length direction be Width, therefore, the length of terminal plate and width refer to the length on above-mentioned length direction and the Width respectively.
And, in the present embodiment, the connecting portion 7 of terminal plate 1 on terminal plate 1 Width the two ends indentation and be shorter than the width of described terminal plate 1, and the length of connecting portion 7 on the terminal plate length direction does not have particular provisions, can be easy to bending when mounted and make first burst and second burst opposed, and guarantee that the soldering tin of welding lead bundle and battery terminal enough gets final product greatly.In the present embodiment, connecting portion 7 growing up on the terminal plate length direction is about 1/9 of terminal plate length.
Preferred terminal plate 1 is a strip when flattening, and length is approximately 4/3 to 2 times of battery positive terminal 6 diameters, and width is smaller or equal to the diameter of battery positive terminal 6, and then the thickness of preferred terminal plate 1 is about 0.1 to 1mm.
That is to say, above-mentioned terminal plate 1 after folding perpendicular to the length on the battery-arrangements direction be terminal plate 1 self length 1/2nd, promptly more than or equal to battery positive terminal 6 diameters 2/3rds and smaller or equal to the diameter of this battery positive terminal 6, and the length of this terminal plate 1 on the battery-arrangements direction be terminal plate 1 self width, be the diameter of battery positive terminal 6.Like this, the heat-shrinkable T bush of poking adjacent cells negative terminal side owing to terminal plate installation back is long, the hidden danger that causes the battery pack short circuit have been eliminated.
Further, the shape and the size of first burst 2 and second burst 3 also can be set arbitrarily, make first burst and second burst opposed as long as can be easy to bending when mounted, and guarantee that the soldering tin of welding lead bundle and battery terminal enough gets final product greatly.
Above-mentioned effect can illustrate by Fig. 3, has welded strip terminal plate 1 ' of the prior art on the negative terminal of right side battery, and first burst 2 ' of second burst 3 ' of its welding negative terminal and welding cathode conductor bundle 5 ' is left and right sides ordered state.Therefore, by contrast as can be seen, welded above-mentioned folding terminal plate 1 on the positive terminal 6 of left side battery to postpone, the corresponding length of the existing terminal plate 1 ' that it welds on less than the negative terminal that is positioned at its right side in the length on the battery-arrangements direction, the left and right sides lateral margin of terminal plate 1 is away from the heat-shrinkable T bush of adjacent cells negative side, therefore also with regard to the outer rim of having eliminated terminal plate 1 poke contiguous battery cathode terminals side heat-shrinkable T bush, cause the hidden danger of battery pack short circuit.
In addition, adopting the perpendicular type terminal plate in the present embodiment is because be convenient to carry out the folding opposed operation of terminal plate, certainly terminal plate 1 also can form other terminal plates at any angle smaller or equal to 180 degree outside the right angle terminals sheet by preprocessings such as punching presses, as long as can be crooked and be folded into two mutual opposed forms of burst via connecting portion after installation.
Fig. 4 to Fig. 6 has enumerated other embodiment of terminal plate, since as mentioned above two bursts of terminal plate can form smaller or equal to 180 the degree arbitrarily angled, therefore, below only when launching, two bursts form 180 terminal plates of spending and describe, in actual the use, can provide needs and is processed as arbitrarily angled smaller or equal to 180 degree.
First burst 21 and second burst 31 of the terminal plate 11 that Fig. 4 represents are in same plane, these two bursts connect via connecting portion 7, as the means of the bending strength that makes connecting portion 71 less than first burst 21 and second burst 31, length direction central authorities at terminal plate 11 form the connecting portion 71 that comprises one or more groove, when mounting terminal sheet 11, terminal plate 11 is crooked and fold via this connecting portion 71, thereby makes first burst 21 and second burst 31 opposed.
The terminal plate 12 of Fig. 5 is on the basis of the terminal plate of Fig. 4, further, the length direction central authorities of terminal plate form the eel-like figure shape, and be formed with one or more groove that extends along the terminal plate Width in the part of eel-like figure shape, constitute the connecting portion 72 of terminal plate 12 by this part with this one or more groove, the connecting portion 72 that forms like this, its bending strength is less than the bending strength of first burst 22 and second burst 32, and therefore this first burst 22 of easier realization and second burst 32 fold via connecting portion 72 bendings.
The vertical view and the front view of Fig. 6 (a) and Fig. 6 (b) expression terminal plate 13, this terminal plate 13 also is the flattening form that two bursts become 180 degree, and, only adopt the mode of the thickness of the connecting portion 73 that is formed at terminal plate 13 central authorities than the thin thickness of first burst 23 and second burst 33 as the another preferred embodiment of connecting portion.
Length when all preferred terminal plate of the respective embodiments described above flattens is approximately 4/3 to 2 times of battery positive terminal diameter, and width is smaller or equal to the battery positive terminal diameter.
Terminal plate of the present utility model is not limited to above-mentioned execution mode, as long as first burst of terminal plate and second burst can be crooked and folding opposed via connecting portion therebetween, so that can shorten the length of terminal plate on the battery-arrangements direction, thereby can not poke the heat-shrinkable T bush of adjacent cells terminals side, prevent the short circuit of battery pack.And the length when further preferred terminal plate 1 flattens is approximately 4/3 to 2 times of the battery positive terminal diameter, width is smaller or equal to the battery positive terminal diameter, can guarantee that like this length on the battery-arrangements direction of terminal plate after folding is smaller or equal to the battery positive terminal diameter.
In addition, preferred connecting portion is formed on the length direction central authorities of terminal plate, and the bending strength of this connecting portion is less than the bending strength of first burst and second burst, and this connecting portion and first burst and second burst are one-body molded.In addition, the also preferred length of connecting portion on the Width of terminal plate form a fixed length smaller or equal to the terminal plate width, for example form more than or equal to the terminal plate width 1/2 and less than the terminal plate width, do not misplace mutually after folding the pressing with first burst that guarantees the welding lead bundle and these two bursts of second burst that weld battery terminal, thereby the outer rim of first burst can not scratched the heat-shrinkable T bush of contiguous battery terminal side.
In the battery pack assembling of reality, can adopt the battery terminal sheet of the respective embodiments described above, this terminal plate can only be applied in battery positive terminal, also can be applied on all battery positive terminal and the battery cathode terminal, as long as guarantee that the length after terminal plate is installed is shorter, can not poke the heat-shrinkable T bush of adjacent cells, prevent that the short circuit of battery pack from getting final product.

Claims (10)

1, a kind of battery terminal sheet, have first burst that is used for the welding lead bundle and second burst that is used to weld battery terminal, it is characterized in that, described first burst is connected by connecting portion with described second burst, and described first burst and described second burst are configured to via described connecting portion crooked and folding opposed.
2, battery terminal sheet as claimed in claim 1, it is characterized in that, described connecting portion is formed on the length direction central authorities of described terminal plate, and the length when described terminal plate flattens is 4/3 to 2 times of battery positive terminal diameter, and width is smaller or equal to the battery positive terminal diameter.
3, battery terminal sheet as claimed in claim 2 is characterized in that, the bending strength of described connecting portion is less than the bending strength of described first burst and described second burst, and this connecting portion and described first burst and described second burst are one-body molded.
4, battery terminal sheet as claimed in claim 3 is characterized in that, described first burst and described second burst be in smaller or equal to 180 the degree arbitrarily angled.
5, battery terminal sheet as claimed in claim 3 is characterized in that, described first burst is vertical mutually with described second burst.
6, battery terminal sheet as claimed in claim 4 is characterized in that, the length of described connecting portion on described terminal plate Width is shorter than the width of described terminal plate, and forms the eel-like figure shape.
7, battery terminal sheet as claimed in claim 6 is characterized in that, described connecting portion comprises one or more groove that extends along described terminal plate Width.
8, battery terminal sheet as claimed in claim 3 is characterized in that, the thickness of described connecting portion is than described first burst and described second burst thin thickness separately.
9, battery terminal sheet as claimed in claim 3, it is characterized in that, the length of described connecting portion on the Width of described terminal plate is the certain-length smaller or equal to the terminal plate width, postpone is not misplaced mutually folding to guarantee described first burst and described second burst.
10, a kind of battery pack with terminal plate is characterized in that, uses as each described battery terminal sheet in the claim 1 to 9 on battery positive terminal at least.
CN2009200033461U 2009-01-23 2009-01-23 Battery terminal sheet and battery pack having same Expired - Fee Related CN201425951Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200033461U CN201425951Y (en) 2009-01-23 2009-01-23 Battery terminal sheet and battery pack having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200033461U CN201425951Y (en) 2009-01-23 2009-01-23 Battery terminal sheet and battery pack having same

Publications (1)

Publication Number Publication Date
CN201425951Y true CN201425951Y (en) 2010-03-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101640260A (en) * 2009-01-23 2010-02-03 松下能源(无锡)有限公司 Battery terminal piece and battery pack with same
CN102290646A (en) * 2010-06-21 2011-12-21 三星Sdi株式会社 Connecting tab coupling structure between the connecting tab and wire, and coupling method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101640260A (en) * 2009-01-23 2010-02-03 松下能源(无锡)有限公司 Battery terminal piece and battery pack with same
CN101640260B (en) * 2009-01-23 2013-09-04 松下能源(无锡)有限公司 Battery terminal piece and battery pack with same
CN102290646A (en) * 2010-06-21 2011-12-21 三星Sdi株式会社 Connecting tab coupling structure between the connecting tab and wire, and coupling method thereof
CN102290646B (en) * 2010-06-21 2014-01-01 三星Sdi株式会社 Connector, coupling structure between the connector and wire, and coupling method thereof
US8785781B2 (en) 2010-06-21 2014-07-22 Samsung Sdi Co., Ltd. Connecting tab of battery pack, coupling structure between the connecting tab and wire, and coupling method thereof
EP2398090B1 (en) * 2010-06-21 2018-09-05 Samsung SDI Co., Ltd. A connector for a battery pack, a battery pack including the connector and a method of making a battery pack

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100317

Termination date: 20150123

EXPY Termination of patent right or utility model