CN101640256B - Insulated isolation body for battery, insulated isolation structure and battery using same - Google Patents
Insulated isolation body for battery, insulated isolation structure and battery using same Download PDFInfo
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- CN101640256B CN101640256B CN200910009615.XA CN200910009615A CN101640256B CN 101640256 B CN101640256 B CN 101640256B CN 200910009615 A CN200910009615 A CN 200910009615A CN 101640256 B CN101640256 B CN 101640256B
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- battery
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- insulating spacer
- boss
- electrode terminal
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- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention relates to an insulated isolation body (A) for a battery, which is characterized in that the insulated isolation body (A) comprises a substrate (1) and a convex plate (2) arranged on the upper surface of the substrate (1), wherein the center of the substrate (1) is provided with an open pore; the center of the convex plate (2) is provided with a communicating pore (C) which is coaxial with the open pore. The invention also relates to an insulated isolation structure for the battery and the battery; the insulated isolation structure for the battery comprises a battery shell body and an electrode terminal, which is characterized in that the electrode terminal is provided with the insulated isolation body for the battery, wherein the convex plate of the insulated isolation bodyfaces to the interior of the battery; the inner lateral face of the convex plate is contacted with the outer lateral wall of the electrode terminal; and the substrate of the insulated isolation body is contacted with the shoulder part of the battery shell body. The insulated isolation structure for the battery not only can prevent short circuit of the electrode terminal and the battery shell body, but also can isolate corrosion caused by external moisture, gas and the like entering the battery.
Description
Technical field
The present invention relate generally to battery with insulating spacer, battery with the insulation isolation structure and adopted this insulating spacer and the battery of insulation isolation structure.
Background technology
In recent years, miniaturization and and wirelessization of PC, mobile phone, personal digital assistant's information electronic devices such as (PDA) and audiovisual electronic equipment are developing by leaps and bounds, to constantly improving as the driving of these electronic equipments requirement with the battery of power supply.Therefore, the fail safe of battery and durability etc. are being carried out various researchs always, the insulation isolation structure to battery also requires to improve thus.
About the exterior insulation isolation structure of battery, in existing technology, great majority adopt annular hollow portion product to be arranged on the battery, prevent battery terminal position and the position short circuit of battery shoulder thus, as shown in Figure 1.And material adopts synthetic resin such as polypropylene more, and shape suits poor, and sealing is poor, easily causes outside liquid to invade inside battery and forms corrosion.A kind of sealed type secondary cell structure is disclosed among the patent documentation CN100364165C, wherein between battery cap and housing, fill isolation and sealing by sealing ring, namely the structure to sealing ring changes, and it covers the shoulder of entire cell housing, thereby guarantees insulating properties.To the change of insulating spacer shape, disclose a kind of packing pad that has perforate or open slot among the patent documentation CN201112429Y, it can improve exhaust performance in insulation.
At present the technology that adopts can prevent the short circuit of battery cap and shoulder effectively, but sealing is relatively poor, can enter the cavity of battery cap from the moisture of outside etc., remains in wherein and may cause corrosion.
Summary of the invention
The objective of the invention is to solve above-mentioned problem, provide battery with insulating spacer and adopted the battery of this insulating spacer, this battery can be when realizing preventing that battery electrode and housing are short-circuited with insulating spacer and battery, and it is inner and cause corrosion to realize that isolated outside moisture etc. enters battery electrode terminal.
In order to achieve the above object, designer of the present invention has obtained following technical scheme through meticulous research.
At first, relate to a kind of battery insulating spacer, it is characterized in that, the boss that it comprises substrate and arranges at the upper surface of this substrate, the center of described substrate is provided with open pore, and the center of described boss is provided with through hole, and this through hole is coaxial with described open pore.
With in the insulating spacer, the side face of the through hole of described boss can align with the side face of the open pore of described substrate at battery, and preferred described open pore and described through hole are cylindrical, and the aperture is identical.The aperture of described through hole also can be set to begin to become gradually big from upper surface one side of described substrate.And described substrate and described boss are made by the rubber-like elastic material that is selected among natural rubber, synthetic rubber and the polyurethane.
According to described battery insulating spacer, not only can prevent short circuit, the area at the position that insulating spacer contacts with the electrode terminal of battery is increased, can suit sealing with the bottom effectively, and further increased sealing because adopt rubber-like elastic material, the material that has reduced moisture enters, and anticorrosion effect is good.
Secondly, also relate to a kind of battery insulation isolation structure, described battery comprises battery container and electrode terminal, it is characterized in that, described electrode terminal is provided with described battery insulating spacer, the boss face of wherein said insulating spacer is to inside battery, and the medial surface of described boss contacts with the lateral wall of described electrode terminal, and the substrate of described insulating spacer contacts with the shoulder of described battery container.Described electrode terminal can be positive terminal or negative terminal.
Moreover, also relate to a kind of battery, it is characterized in that, its have described battery with insulating spacer or described battery with the insulation isolation structure.
With insulation isolation structure and described battery, can prevent not only that electrode terminal and battery container are short-circuited according to described battery, can also completely cut off outside moisture, gas etc. and enter inside battery and cause corrosion.
Description of drawings
Fig. 1 is the structural representation that the battery of prior art is used insulating spacer, and Fig. 1 (a) is stereogram, and Fig. 1 (b) is front view, and Fig. 1 (c) is vertical view.
Fig. 2 is the structural representation that the battery of one embodiment of the present invention is used insulating spacer, and Fig. 2 (a) is stereogram, and Fig. 2 (b) is front view, and Fig. 2 (c) is vertical view.
Fig. 3 is the battery of Fig. 2 is installed in an execution mode on the battery with insulating spacer schematic diagram.
Fig. 4 is the cutaway view along the A-A line of Fig. 3, and Fig. 4 (a) is stereogram, and Fig. 4 (b) is front view.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.In the accompanying drawings, for the purpose of simplifying the description, represent with same reference symbol having in fact the constitutive requirements of identical functions.In addition, the present invention is not limited to following execution mode.
Fig. 2 is the structural representation that the battery of one embodiment of the present invention is used insulating spacer, and Fig. 2 (a) is stereogram, and Fig. 2 (b) is front view, and Fig. 2 (c) is vertical view.
Shown in Fig. 2 (a) and (b), (c), the boss 2 that battery comprises substrate 1 and arranges at the upper surface of this substrate 1 with insulating spacer A, the center of described substrate is provided with open pore B, and the center of boss 2 is provided with through hole C, and through hole C is coaxial with open pore B.Suitable selection can be carried out according to concrete needs in the aperture of the aperture of through hole C and open pore B, but they both preferably identical, and this moment, the inner peripheral surface (being the side face of through hole C) of boss 2 alignd with side face at the open pore B of described substrate.More preferably open pore B and through hole C are cylindrical, and the aperture is identical.But also can make the aperture of through hole C greater than the aperture of open pore B, thereby boss 2 can be formed on side face from open pore B to the position the neighboring of substrate 1 around the open pore B of substrate 1.In addition, the aperture of through hole C can be set to begin to become gradually big from upper surface one side of described substrate, the aperture of open pore B can be set to become gradually greatly from upper surface one side of the described substrate of lower surface one side direction of described substrate, but this moment, through hole C still can be identical in the aperture at the described upper surface place of substrate 2 with described open pore in the aperture at the described upper surface place of substrate 2.In order to keep sealing and air-tightness better, the upper end of through hole C can arrange chamfering or rounding.
Insulating spacer A can be made of one piece by substrate 1 and boss 2, be that substrate 1 and boss 2 can be integrated, for example undertaken integrated by molded or extrusion molding, also can make the substrate 1 that has open pore B earlier respectively and have the boss 2 of through hole C, then that they are bonding or weld together.In order to keep sealing, isolated moisture, gas etc. effectively, substrate 1 and boss 2 are made by the rubber-like elastic material that is selected among natural rubber, synthetic rubber and the polyurethane, described synthetic rubber can be ethylene-propylene rubber, butadiene-styrene rubber, butadiene rubber or neoprene, is preferably ethylene propylene monomer (EPM material) or ethylene propylene diene rubber (EPDM material).In addition, the thickness of substrate 1 and size can be carried out suitable selection according to concrete needs, and there is no particular limitation, but from keeping intensity, tightness and considering that with the coupling of other parts the thickness of substrate 1 is preferably 0.05mm～6mm.
The height of boss and width can carry out suitable selection according to concrete needs, there is no particular limitation, but keep tightness, insulated enclosure, isolated moisture, gas etc. when being installed to insulating spacer A on the battery effectively, the height of boss 2 is preferably 0.1mm～10mm, and the width of boss 2 is preferably 0.5mm～10mm.
In addition, in Fig. 2, be circle though show battery with insulating spacer, boss, open pore and through hole, be not limited to this, can be set to square according to concrete needs or other shape.
Fig. 3 is the battery of Fig. 2 is installed in an execution mode on the battery with insulating spacer schematic diagram.Fig. 4 is the cutaway view along the A-A line of Fig. 3, and Fig. 4 (a) is stereogram, and Fig. 4 (b) is front view.
As shown in Figure 3, insulating spacer A is arranged on the upper electrode terminal (being positive terminal) 4 of battery 3, thereby shoulder 5 insulation of electrode terminal 4 and battery container is isolated and is sealed.The concrete configuration mode of insulating spacer A on battery 3 as shown in Figure 4.Battery 3 comprises battery container 10 and positive terminal 4, described positive terminal 4 is provided with the insulating spacer A of the present invention that the front is described with reference to Fig. 2, wherein the boss 2 of insulating spacer A is towards the inside of battery 3, the medial surface 6 of boss 2 contacts with the lateral wall of positive terminal 4, and substrate 1 contacts with the shoulder 5 of described battery container.The medial surface 6 of boss 2 has realized that the contact area of the sidewall of substrate 1 and positive terminal 4 increases, thereby increased sealing, the cavity of positive terminal 4 inside can effectively be sealed, and isolated moisture, gas etc. are gone into positive terminal 4 inside, thereby have prevented corrosion.In addition, substrate 1 contacts with the shoulder 5 of described battery container insulating spacer A is fixed on the shoulder 5 of electrode terminal, battery container, can more effectively have the function of the short circuit of preventing like this, guarantees the fail safe of battery.The lateral surface of boss 2 can contact with the shoulder 5 of described battery container, also can not contact.
In Fig. 3 and Fig. 4, be cylindrical battery though show battery, also can be the battery of rectangular cell or other shape.Substrate 1, boss 2, through hole B and open pore C also can be square or other shape except being the circle.
In the present invention, described battery can be any battery with end construction, can be primary cell or secondary cell, is preferably various secondary cells such as lithium rechargeable battery, Ni-MH battery.
In addition, the invention still further relates to different with Fig. 4 with above-mentioned Fig. 3 distortion execution modes, be about on the bottom electrode terminals (being negative terminal) that described insulating spacer is arranged on battery.So also can increase by the area that makes the position that insulating spacer contacts with the bottom electrode terminals of battery, can suit sealing with the bottom effectively, thereby increase sealing, the material that reduces moisture enters, and anticorrosion effect is good.
Other advantage of the present invention and improvement will be that those skilled in the art expect easily, thereby scope of the present invention is not limited by above-mentioned typical example and concrete details.Therefore, in the spirit or scope that do not deviate from the defined total inventive concept by appending claims and its equivalent, the present invention can carry out various improvement.
Claims (10)
1. a secondary cell insulating spacer is characterized in that, the boss that it comprises substrate and arranges at the upper surface of this substrate, and the center of described substrate is provided with open pore, and the center of described boss is provided with through hole, and this through hole is coaxial with described open pore,
The aperture of described through hole begins to become gradually big from upper surface one side of described substrate, the aperture of described open pore becomes big gradually for upper surface one side from the described substrate of lower surface one side direction of described substrate, described through hole is identical in the aperture at the described upper surface place of substrate with described open pore in the aperture at the described upper surface place of substrate, the upper end of described through hole is provided with chamfering or rounding, described substrate and described boss are integrated, described substrate and described boss are made by the rubber-like elastic material that is selected among natural rubber and the synthetic rubber, the thickness of described substrate is 0.05mm～6mm, the height of described boss is 0.1mm～10mm, and the width of described boss is 0.5mm～10mm;
When described insulating spacer is used for comprising the battery of battery container and electrode terminal, described insulating spacer is arranged on the described electrode terminal, the described boss face of wherein said insulating spacer is to the inside of described battery, the medial surface of described boss contacts with the lateral wall of described electrode terminal, described substrate contacts with the shoulder of described battery container, and described electrode terminal is positive terminal.
2. battery insulating spacer according to claim 1 is characterized in that, described substrate and described boss are made by polyurethane.
3. battery insulating spacer according to claim 1 is characterized in that, described synthetic rubber is ethylene-propylene rubber, butadiene-styrene rubber, butadiene rubber or neoprene.
4. battery insulating spacer according to claim 3 is characterized in that, described ethylene-propylene rubber is ethylene propylene monomer or ethylene propylene diene rubber.
5. battery insulating spacer according to claim 1 is characterized in that, described substrate is circular or square, and described boss is circular or square.
6. a secondary cell is with the insulation isolation structure, described battery comprises battery container and electrode terminal, it is characterized in that, described electrode terminal is provided with the battery insulating spacer of claim 1～5 described in each, the boss face of wherein said insulating spacer is to inside battery, the medial surface of described boss contacts with the lateral wall of described electrode terminal, and the substrate of described insulating spacer contacts with the shoulder of described battery container, and described electrode terminal is positive terminal.
7. a secondary cell is characterized in that, it has the secondary cell insulating spacer of claim 1～5 described in each.
8. secondary cell according to claim 7 is characterized in that, described secondary cell is cylindrical battery or rectangular cell.
9. a secondary cell is characterized in that, it has the described secondary cell of claim 6 insulation isolation structure.
10. secondary cell according to claim 9 is characterized in that, described secondary cell is cylindrical battery or rectangular cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910009615.XA CN101640256B (en) | 2009-01-23 | 2009-01-23 | Insulated isolation body for battery, insulated isolation structure and battery using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910009615.XA CN101640256B (en) | 2009-01-23 | 2009-01-23 | Insulated isolation body for battery, insulated isolation structure and battery using same |
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| Publication Number | Publication Date |
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| CN101640256A CN101640256A (en) | 2010-02-03 |
| CN101640256B true CN101640256B (en) | 2013-09-04 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654082A (en) * | 2015-10-30 | 2017-05-10 | 松下能源(无锡)有限公司 | Battery equipped with large-pore-diameter insulating ring |
| JP7349355B2 (en) * | 2016-09-07 | 2023-09-22 | アンブリ・インコーポレイテッド | Seals for high temperature reactive material equipment |
| US10847775B2 (en) | 2016-10-14 | 2020-11-24 | Tiveni Mergeco, Inc. | Multi-layer contact plate configured to establish electrical bonds to battery cells in a battery module |
| CN110534676B (en) * | 2019-08-30 | 2022-06-14 | 深圳先进储能材料国家工程研究中心有限公司 | Rechargeable battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192588A (en) * | 1997-01-21 | 1998-09-09 | 佳能株式会社 | Solar cell module |
| CN1885590A (en) * | 2005-06-24 | 2006-12-27 | 日立麦克赛尔株式会社 | Alkaline battery |
| CN201315328Y (en) * | 2008-11-07 | 2009-09-23 | 深圳市比克电池有限公司 | Lithium battery |
| CN201352571Y (en) * | 2009-01-23 | 2009-11-25 | 松下能源(无锡)有限公司 | Insulating isolated body for battery, insulating isolated structure and battery employing same |
-
2009
- 2009-01-23 CN CN200910009615.XA patent/CN101640256B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192588A (en) * | 1997-01-21 | 1998-09-09 | 佳能株式会社 | Solar cell module |
| CN1885590A (en) * | 2005-06-24 | 2006-12-27 | 日立麦克赛尔株式会社 | Alkaline battery |
| CN201315328Y (en) * | 2008-11-07 | 2009-09-23 | 深圳市比克电池有限公司 | Lithium battery |
| CN201352571Y (en) * | 2009-01-23 | 2009-11-25 | 松下能源(无锡)有限公司 | Insulating isolated body for battery, insulating isolated structure and battery employing same |
Non-Patent Citations (1)
| Title |
|---|
| JP昭59-132558A 1984.07.30 |
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