CN202749443U - Insulating part for battery pack and battery pack - Google Patents

Insulating part for battery pack and battery pack Download PDF

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Publication number
CN202749443U
CN202749443U CN2012203548315U CN201220354831U CN202749443U CN 202749443 U CN202749443 U CN 202749443U CN 2012203548315 U CN2012203548315 U CN 2012203548315U CN 201220354831 U CN201220354831 U CN 201220354831U CN 202749443 U CN202749443 U CN 202749443U
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China
Prior art keywords
insulation spacer
insulation
insulating element
zone
forms
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Expired - Lifetime
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CN2012203548315U
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Chinese (zh)
Inventor
张健
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Panasonic Energy Wuxi Co Ltd
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Panasonic Energy Wuxi Co Ltd
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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

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Abstract

The utility model provides an insulating part for a battery pack and the battery pack. The insulating part comprises two insulation gaskets (1) and an insulation spacer (2), wherein one respective one edges (1a) of the two insulation gaskets (1) are connected with one edge (2a) of the insulation spacer (2), and a required angle (alpha) is formed between the two insulation gaskets (1) and the insulation spacer (2); and the two insulation gaskets (1) respectively extend along the edges (1a) towards a same direction to form an insulation gasket extending part (3). The insulating part and the battery pack which are disclosed by the utility model can effectively prevent the contact of the terminals of safety parts, ensure the effectiveness of the safety parts, greatly increase the installation efficiency of the safety parts because a heat-shrinkable sleeve is unnecessary to use, and improve the operationality and the production efficiency of the battery pack.

Description

The insulating element and the battery pack that are used for battery pack
Technical field
The utility model relates to a kind of insulating element and battery pack, relates in particular to a kind of insulating element and battery pack for battery pack (battery pack).
Background technology
In recent years, be accompanied by the variation of electronic equipment, seeking to have high power capacity, high voltage and high-output power and the good battery pack of fail safe always.Good fail safe in order to ensure battery pack, for example, the safety components such as fuse are set in battery pack usually, when unusual generations the such as short circuit, safety component can in time cut off electric current or send abnormal signal, thereby can prevent from causing security incident because of abnormal operation or fault etc. in the use procedure of battery pack.
In the prior art, as the method to set up of safety component, as shown in Figure 7 and Figure 8, safety component 6 is arranged between two adjacent batteries 5.This safety component 6 respectively has a lead-in wire at two ends, this lead-in wire respectively with terminal 61 welding, then, two terminals 61 are electrically connected with the negative or positive electrode of adjacent two batteries 5 by welding respectively.In order to prevent that terminal from contacting with battery case and be short-circuited, and arranges insulating trip 8 usually between terminal and battery case.In addition, can effectively to insulate in order making between two terminals 61, usually at each terminal heat-shrinkable T bush 9 to be set.This heat-shrinkable T bush by in advance with casing pipe sleeve on terminal, then heat and make it to shrink and form.
But there is the shortcoming that technique is loaded down with trivial details, production efficiency is low, cost is high in the above-mentioned method of two terminal Contacts that prevents by heat-shrinkable T bush is set.The more important thing is, can there be punching burr with being difficult on the terminal avoid, and the anti-property exposed of heat-shrinkable T bush self is relatively poor, therefore, such burr is easy to expose heat-shrinkable T bush, thereby causes being short-circuited between two-terminal, when the battery pack abnormal, safety component can not cut off circuit, thereby causes security incident.In addition, exist at terminal in the situation of heat-shrinkable T bush, relatively poor in workability when terminal soldering is to the battery, production efficiency is low.
The utility model content
The purpose of this utility model is to provide and unfavorable condition and simple structure, the insulating element that is used for battery pack of installing easily and the battery pack of having used this insulating element such as comes in contact between a kind of terminal that can effectively prevent safety component etc.
Insulating element and the technical scheme of battery pack for battery pack of the present utility model is specific as follows described.
(1) a kind of insulating element for battery pack is characterized in that, it comprises two insulation spacers 1 and an insulation spacer 2,
Described two insulation spacers 1 one side 1a separately is connected with one side 2a of described insulation spacer 2, and is formed with the angle [alpha] of regulation between described insulation spacer 1 and described insulation spacer 2,
Described two insulation spacers 1 are formed with insulation spacer extension 3 along described one side 1a to same direction prolongation separately.
(2) according to above-mentioned (1) described insulating element, it is characterized in that, described insulation spacer 2 is formed along the symmetry axis D of this insulating properties sheet material 21 is folding by axisymmetric insulating properties sheet material 21, described insulating properties sheet material 21 has the both sides 2a ' with respect to described symmetry axis D symmetry, after described folding finishing, described both sides 2a ' overlaps mutually and consists of described one side 2a of described insulation spacer 2.
According to above-mentioned (1) described insulating element, it is characterized in that (3) described insulating element is made of by folding following insulation board 4,
Described insulation board 4 forms regional E, insulation spacer by two insulation spacers and forms regional F and two insulation spacer extensions and form regional G and consist of,
Described insulation spacer forms regional F axisymmetricly, has the both sides F1 that forms the symmetry axis D symmetry of regional F with respect to this insulation spacer, and described both sides F1 is connected with one side E1 separately that described two insulation spacers form regional E respectively,
Described two insulation spacers form regional E and prolong along described one side E1 to same direction separately and be formed with described insulation spacer extension and form regional G,
Described insulation spacer forms regional E and forms between the regional F with described insulation spacer and be connected by the first easily-folding line, and described insulation spacer forms regional E and forms between the regional G with described insulation spacer extension and be connected by the second easily-folding line,
And, be formed with the 3rd easily-folding line at described symmetry axis D place,
After described folding finishing, it is folding and form described insulation spacer 2 along described the 3rd easily-folding line that described two insulation spacers form regional F, and described both sides F1 overlaps mutually and consists of described one side 2a of described insulation spacer 2, described insulation spacer forms regional E and forms regional F along described the first easily-folding line bending predetermined angular and form described insulation spacer 1 with respect to described insulation spacer, and described insulation spacer extension forms regional G and forms regional E along described the second easily-folding line bending predetermined angular and form described insulation spacer extension 3 with respect to described insulation spacer.
According to each described insulating element in above-mentioned (1)~(3), it is characterized in that (4) described insulation spacer 1, insulation spacer 2 and insulation spacer extension 3 are square.
According to above-mentioned (4) described insulating element, it is characterized in that (5) described the first easily-folding line, described the second easily-folding line and described the 3rd easily-folding line are the interruption cutting line, described interruption cutting line is by cutting portion and connecting portion alternative arrangement and consist of.
According to above-mentioned (5) described insulating element, it is characterized in that (6) width of described cutting portion is more than 1 and below 5 with the ratio of the width of described connecting portion.
According to above-mentioned (5) described insulating element, it is characterized in that (7) two ends of described interruption cutting line are connecting portion, and the length of this connecting portion is more than the 1mm.
(8) according to each described insulating element in above-mentioned (1)~(3), it is characterized in that the end 2c of close insulation spacer extension 3 sides of the another side 2b relative with described one side 2a of described insulation spacer 2 forms hypotenuse or circular-arc.
(9) according to each described insulating element in above-mentioned (1)~(3), it is characterized in that described insulation spacer 1 and described insulation spacer extension 3 are formed with adhesive phase on the surface with the opposition side of a side that is provided with described insulation spacer 2.
(10) a kind of battery pack, it is characterized in that, it comprises a plurality of batteries 5 and safety component 6, the two ends of described safety component 6 are connected with respectively terminal 61, described safety component 6 is connected with adjacent two batteries 5 by described terminal 61, and described terminal 61 is by insulating element and battery case isolation, described insulating element is each described insulating element in above-mentioned (1)~(9), and the insulation spacer 2 by this insulating element separates the described terminal 61 at the two ends of described safety component 6.
According to the insulating element for battery pack of the present utility model and battery pack, can effectively prevent contact between the terminal of safety component by simple structure, guarantee the validity of safety component, and owing to do not need to use heat-shrinkable T bush, therefore, can increase substantially the installation effectiveness of safety component, improve workability and the production efficiency of battery pack.
Description of drawings
Fig. 1 is the stereogram that schematically represents the insulating element of an execution mode of the present utility model.
Fig. 2 is the expansion plane graph that schematically represents insulation spacer of the present utility model.
Fig. 3 is the stereogram that schematically represents the insulating element of another execution mode of the present utility model.
Fig. 4 is the expansion plane graph that schematically represents the insulating element of another execution mode of the present utility model.
Fig. 5 is the stereogram that schematically represents battery pack of the present utility model.
Fig. 6 is the local enlarged diagram of expression battery pack of the present utility model.
Fig. 7 is the stereogram that schematically represents battery pack of the prior art.
Fig. 8 is the local enlarged diagram of expression battery pack of the prior art.
Description of reference numerals
1 insulation spacer
2 insulation spacers
21 insulating properties sheet materials
The 2c end
The D symmetry axis
The E insulation spacer forms the zone
The F insulation spacer forms the zone
G insulation spacer extension forms the zone
3 insulation spacer extensions
4 insulation boards
5 batteries
6 safety components
61 terminals
7 insulating elements
Embodiment
Below in conjunction with accompanying drawing execution mode of the present utility model is specifically described.
Fig. 1 is the stereogram that schematically represents the insulating element of an execution mode of the present utility model.As shown in Figure 1, this insulating element comprises two insulation spacers 1 and an insulation spacer 2, described two insulation spacers 1 one side 1a separately is connected with one side 2a of described insulation spacer 2, and between described insulation spacer 1 and described insulation spacer 2, being formed with the angle [alpha] of regulation, described two insulation spacers 1 prolong along described one side 1a to same direction separately and are formed with insulation spacer extension 3.
The utility model is by arranging an insulation spacer 2 between two insulation spacers 1, with insulation spacer 2 two insulation spacers 1 are separated, even do not use thus heat-shrinkable T bush of the prior art, also can effectively prevent from coming in contact between two terminals of safety component.
Connected mode between described insulation spacer 1 and the described insulation spacer 2 is not particularly limited, as long as they can be connected.Concrete example as can be bonding, sew up connection, both integrally formed connections etc.Consider that from aspects such as workability and production efficiencys preferably both are integrally formed.
Angle [alpha] for the regulation that forms between described insulation spacer 1 and described insulation spacer 2 is not particularly limited, the size of this angle [alpha] can at random be adjusted as required, as long as can prevent contacting between contact between the terminal and terminal and the battery case.
Under the preferable case, as shown in Figure 2, described insulation spacer 2 is formed along the symmetry axis D of this insulating properties sheet material 21 is folding by axisymmetric insulating properties sheet material 21, described insulating properties sheet material 21 has the both sides 2a ' with respect to described symmetry axis D symmetry, after described folding finishing, described both sides 2a ' overlaps mutually and consists of described one side 2a of described insulation spacer 2.Preferably be formed with easily-folding line at above-mentioned symmetry axis D place, thereby be convenient to fold.About easily-folding line specifically as described later.
Folding by above-mentioned insulating properties sheet material 21 at insulation spacer 2 and in the situation about consisting of, two insulation spacer 1 one side 1a separately are connected with one side 2a ' of described insulating properties sheet material 21 respectively.Connected mode between described insulating properties sheet material 21 and the insulation spacer 1 also is not particularly limited, and can be to be selected from the connected mode of above-mentioned insulation spacer 1 and insulation spacer 2 any one, and preferred insulation spacer 1 is integrally formed with insulating properties sheet material 21.
In addition, the connected mode between insulation spacer 1 and the insulation spacer extension 3 also is not particularly limited, and can be to be selected from the connected mode of above-mentioned insulation spacer 1 and insulation spacer 2 any one, and preferred insulation spacer 1 is integrally formed with insulation spacer extension 3.
Fig. 3 is the stereogram that schematically represents the insulating element of another execution mode of the present utility model.Fig. 4 is the expansion plane graph that schematically represents the insulating element of another execution mode of the present utility model.
As shown in Figures 3 and 4, insulating element of the present utility model preferably is made of by folding following insulation board 4.
Described insulation board 4 forms regional E, insulation spacer by two insulation spacers and forms regional F and two insulation spacer extensions and form regional G and consist of.Described insulation spacer forms regional F axisymmetricly, has the both sides F1 that forms the symmetry axis D symmetry of regional F with respect to this insulation spacer, and described both sides F1 is connected with one side E1 separately that described two insulation spacers form regional E respectively.Described two insulation spacers form regional E and prolong along described one side E1 to same direction separately and be formed with described insulation spacer extension and form regional G.
Described insulation spacer forms regional E and forms between the regional F with described insulation spacer and be connected by the first easily-folding line, described insulation spacer forms regional E and forms between the regional G with described insulation spacer extension and be connected by the second easily-folding line, and, be formed with the 3rd easily-folding line at described symmetry axis D place.
After described folding finishing, as shown in Figure 3, it is folding and form described insulation spacer 2 along described the 3rd easily-folding line that described two insulation spacers form regional F, and described both sides F1 overlaps mutually and consists of described one side 2a of described insulation spacer 2, described insulation spacer forms regional E and forms regional F along described the first easily-folding line bending predetermined angular and form described insulation spacer 1 with respect to described insulation spacer, and described insulation spacer extension forms regional G and forms regional E along described the second easily-folding line bending predetermined angular and form described insulation spacer extension 3 with respect to described insulation spacer.
In addition, so-called easily-folding line refers to the line being convenient to fold in the utility model.As such easily-folding line, for example can be by vestige folding or that the compacting iso-stress forms, also can be to be interrupted cutting line etc.Consider from the aspect of being convenient to fold, be preferably the interruption cutting line.
Described interruption cutting line is preferably by cutting portion and connecting portion alternative arrangement and consist of.Wherein, the length of described cutting portion and described connecting portion is not particularly limited, under the preferable case, the width of described cutting portion is more than 1 and below 5 with the ratio of the width of described connecting portion.
In addition, be in the situation of cutting portion at the two ends of being interrupted cutting line, cause easily being interrupted the whole fracture of cutting line.Therefore, the two ends of preferred described interruption cutting line are connecting portion, and more preferably the length of the connecting portion at these two ends is more than the 1mm.
In addition, as preferred mode, as shown in figures 1 and 3, the end 2c of close insulation spacer extension 3 sides of the another side 2b relative with described one side 2a of described insulation spacer 2 forms hypotenuse or circular-arc.Can effectively prevent from thus too sharply causing battery pack external packing projection or the bad order such as damaged because of the end 2c of insulation spacer 2.Need to prove that Fig. 1 and Fig. 3 are preferred example, be also contained in the scope of the present utility model even end 2c is the mode of horn shape.
In addition, consider from the aspect that insulating element is attached on the battery easily that preferred insulation spacer 1 and insulation spacer extension 3 are formed with adhesive phase (not shown) on the surface with the opposition side of a side that is provided with insulation spacer 2.Insulating element is easily adhered on the battery, be convenient to the location of insulating element.Be not particularly limited for adhesive, only otherwise can cause harmful effect to battery pack, various adhesives commonly used all can use.
In addition, size and the shape of insulation spacer 1, insulation spacer 2 and insulation spacer extension 3 are not particularly limited, can suitably determine according to the size of safety component and battery, can be set on the battery safely and reliably as long as can guarantee the terminal of safety component.Under the preferable case, described insulation spacer 1, insulation spacer 2 and insulation spacer extension 3 are square.
In addition, the material of described insulation spacer 1, insulation spacer 2 and insulation spacer extension 3 is not particularly limited, so long as the insulating properties material gets final product, and their employed materials can be identical or different.As the example of insulating properties material, such as being insulating paper or ambroin sheet material etc.As insulating paper, for example can enumerate the NOMEX 410 that E.I.Du Pont Company produces, as the ambroin sheet material, such as enumerating FORMEX GK10 that American I TW company produces etc.
Fig. 5 is the stereogram that schematically represents battery pack of the present utility model.Fig. 6 is the local enlarged diagram of expression battery pack of the present utility model.
As shown in Figure 5 and Figure 6, battery pack of the present utility model comprises a plurality of batteries 5 and safety component 6, the two ends of described safety component 6 are connected with respectively terminal 61, described safety component 6 is connected with adjacent two batteries 5 by described terminal 61, and described terminal 61 is by insulating element and battery case isolation, described insulating element is the insulating element described in the utility model, and the insulation spacer 2 by this insulating element separates the described terminal 61 at the two ends of described safety component 6.
In addition, safety component described in the utility model can be the various safety components that use in battery pack, such as being fuse etc.
In addition, need to prove that insulating element of the present utility model not only can be used for the insulation between the safety component terminal, also be applicable to the insulation between various adjacent two terminals, be not limited in this respect.Safety component described in the utility model is an example.

Claims (10)

1. an insulating element that is used for battery pack is characterized in that it comprises two insulation spacers (1) and an insulation spacer (2),
Described two insulation spacers (1) one side (1a) separately is connected with one side (2a) of described insulation spacer (2), and between described insulation spacer (1) and described insulation spacer (2), be formed with the angle (α) of regulation
Described two insulation spacers (1) are formed with insulation spacer extension (3) along described one side (1a) to same direction prolongation separately.
2. insulating element according to claim 1, it is characterized in that, described insulation spacer (2) is formed along the symmetry axis (D) of this insulating properties sheet material (21) is folding by axisymmetric insulating properties sheet material (21), described insulating properties sheet material (21) has the both sides symmetrical with respect to described symmetry axis (D) (2a '), after described folding finishing, described both sides (2a ') overlaps mutually and consists of described one side (2a) of described insulation spacer (2).
3. insulating element according to claim 1 is characterized in that, described insulating element is made of by folding following insulation board (4),
Described insulation board (4) forms zone (E), insulation spacer by two insulation spacers and forms zone (F) and two insulation spacer extensions and form zone (G) and consist of,
Described insulation spacer forms zone (F) axisymmetricly, have the symmetrical both sides (F1) of symmetry axis (D) that form zone (F) with respect to this insulation spacer, described both sides (F1) are connected with one side separately (E1) that described two insulation spacers form zone (E) respectively
Described two insulation spacers form zone (E) and prolong along described one side (E1) to same direction separately and be formed with described insulation spacer extension and form zone (G),
Described insulation spacer forms zone (E) and forms between the zone (F) with described insulation spacer and be connected by the first easily-folding line, described insulation spacer forms zone (E) and forms between the zone (G) with described insulation spacer extension and be connected by the second easily-folding line
And (D) locates to be formed with the 3rd easily-folding line at described symmetry axis,
After described folding finishing, it is folding and form described insulation spacer (2) along described the 3rd easily-folding line that described two insulation spacers form zone (F), and described both sides (F1) overlaps mutually and consists of described one side (2a) of described insulation spacer (2), described insulation spacer forms zone (E) and forms zone (F) along described the first easily-folding line bending predetermined angular and form described insulation spacer (1) with respect to described insulation spacer, and described insulation spacer extension forms zone (G) and forms zone (E) along described the second easily-folding line bending predetermined angular and form described insulation spacer extension (3) with respect to described insulation spacer.
4. each described insulating element is characterized in that according to claim 1~3, and described insulation spacer (1), insulation spacer (2) and insulation spacer extension (3) are square.
5. insulating element according to claim 4 is characterized in that, described the first easily-folding line, described the second easily-folding line and described the 3rd easily-folding line are the interruption cutting line, and described interruption cutting line is by cutting portion and connecting portion alternative arrangement and consist of.
6. insulating element according to claim 5 is characterized in that, the width of described cutting portion is more than 1 and below 5 with the ratio of the width of described connecting portion.
7. insulating element according to claim 5 is characterized in that, the two ends of described interruption cutting line are connecting portion, and the length of this connecting portion is more than the 1mm.
8. each described insulating element according to claim 1~3, it is characterized in that the end (2c) of close insulation spacer extension (3) side of the another side (2b) relative with described one side (2a) of described insulation spacer (2) forms hypotenuse or circular-arc.
9. each described insulating element according to claim 1~3, it is characterized in that described insulation spacer (1) and described insulation spacer extension (3) are formed with adhesive phase on the surface with the opposition side of a side that is provided with described insulation spacer (2).
10. battery pack, it is characterized in that, it comprises a plurality of batteries (5) and safety component (6), the two ends of described safety component (6) are connected with respectively terminal (61), described safety component (6) is connected with adjacent two batteries (5) by described terminal (61), and described terminal (61) is by insulating element and battery case isolation, described insulating element is each described insulating element in the claim 1~9, and the insulation spacer (2) by this insulating element separates the described terminal (61) at the two ends of described safety component (6).
CN2012203548315U 2012-07-16 2012-07-16 Insulating part for battery pack and battery pack Expired - Lifetime CN202749443U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012203548315U CN202749443U (en) 2012-07-16 2012-07-16 Insulating part for battery pack and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012203548315U CN202749443U (en) 2012-07-16 2012-07-16 Insulating part for battery pack and battery pack

Publications (1)

Publication Number Publication Date
CN202749443U true CN202749443U (en) 2013-02-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106972120A (en) * 2017-05-12 2017-07-21 苏州炬鸿通讯电脑科技有限公司 Lithium battery cover plate insulation spacer
CN113258215A (en) * 2015-06-30 2021-08-13 三洋电机株式会社 Secondary battery

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113258215A (en) * 2015-06-30 2021-08-13 三洋电机株式会社 Secondary battery
CN113258215B (en) * 2015-06-30 2023-06-27 三洋电机株式会社 Secondary battery
CN106972120A (en) * 2017-05-12 2017-07-21 苏州炬鸿通讯电脑科技有限公司 Lithium battery cover plate insulation spacer
CN106972120B (en) * 2017-05-12 2022-12-13 苏州炬鸿通讯电脑科技有限公司 Insulating gasket for lithium battery cover plate

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Granted publication date: 20130220