CN217589366U - Insulating cover and battery pack - Google Patents
Insulating cover and battery pack Download PDFInfo
- Publication number
- CN217589366U CN217589366U CN202221437995.4U CN202221437995U CN217589366U CN 217589366 U CN217589366 U CN 217589366U CN 202221437995 U CN202221437995 U CN 202221437995U CN 217589366 U CN217589366 U CN 217589366U
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- CN
- China
- Prior art keywords
- battery
- sleeve
- insulating sleeve
- insulating
- top cover
- Prior art date
- 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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- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/107—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to the technical field of batteries, a insulating cover and battery pack is disclosed. The insulating sleeve is used for protecting a battery, a battery anode and a battery cathode are arranged at the top end of the battery, the insulating sleeve comprises a top cover and a sleeve, the top cover is connected with an opening at one end of the sleeve in a covering mode, the sleeve can be sleeved on the peripheral face of the battery, and the top cover covers the battery anode and the battery cathode. The insulating sleeve is sleeved on the single battery, and the battery anode and the battery cathode are covered, so that the battery anode and the battery cathode can be effectively prevented from being communicated by a conductive object to form a short circuit, and the battery is prevented from being damaged due to the short circuit; moreover, the insulating sleeve can protect the battery anode and the battery cathode and prevent the battery anode and the battery cathode from being impacted or scratched.
Description
Technical Field
The utility model relates to a battery technology field especially relates to an insulating cover and battery pack.
Background
The positive pole and the negative pole of the cylindrical battery are usually positioned at the same end of the battery, so that short circuit is easy to occur if the cylindrical battery is touched by a conductive object by mistake in the transportation or taking and placing processes. At present, insulation treatment is carried out on batteries basically by adopting a structural design on a battery packaging box in the industry, a single battery cannot be fully protected, and if the packaging box is damaged or a conductor is mixed in the packaging box, the risk of battery short circuit still exists.
Therefore, there is a need for an insulating sheath and a battery assembly that solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating cover can protect the battery, prevents that the battery from taking place the short circuit.
To achieve the purpose, the utility model adopts the following technical proposal:
an insulating sleeve comprising:
the battery, the top of the said battery has battery positive pole and battery negative pole; and
the insulating sleeve comprises a top cover and a sleeve, the top cover is covered and connected with an opening at one end of the sleeve, the sleeve can be sleeved on the peripheral surface of the battery, and the top cover covers the positive electrode of the battery and the negative electrode of the battery.
As an alternative scheme, the battery positive pole is that the top of battery forms the boss, the corresponding groove of dodging that is provided with on the protecgulum, the battery positive pole is located dodge the inslot.
Alternatively, an air exhaust channel is arranged on the insulating sleeve, and when the insulating sleeve is assembled, air in the insulating sleeve is exhausted from the air exhaust channel.
Alternatively, the exhaust passage is provided on an inner wall of the sleeve, the exhaust passage extending to an open end of the sleeve in an axial direction of the sleeve.
Alternatively, the exhaust passage is provided with a plurality of pieces.
Alternatively, a plurality of protrusions are arranged on the inner wall of the sleeve, one ends of the protrusions are connected with the top cover and extend along the axial direction of the sleeve, and the exhaust channel is formed between every two adjacent protrusions.
Alternatively, one side of the protrusion facing the battery is provided in an arc shape so as to be able to fit to the arc-shaped outer circumferential surface of the battery.
As an alternative, a plurality of salient points are arranged on the inner wall of the sleeve, gaps between the adjacent salient points form the exhaust channel, and the cross sections of the salient points are rectangular, semicircular, semi-elliptical or parabolic.
As an alternative, a through hole is formed in the top cover, the through hole is communicated with the inner space of the insulating sleeve, and the through hole forms the exhaust channel.
As an alternative, the through hole is provided on the groove floor of the avoidance groove.
Alternatively, the insulating sleeve is made of an insulating material.
Alternatively, the cap and the sleeve are of a one-piece construction, either blister or injection molded.
Another object of the utility model is to provide a battery pack, solved current battery and lacked the protection, the problem of the short circuit takes place because of battery positive pole and battery negative pole intercommunication easily.
To achieve the purpose, the utility model adopts the following technical proposal:
a battery assembly comprising a battery and an insulating sleeve as described above.
The utility model has the advantages that:
the utility model provides an insulating sleeve, can cover battery positive pole and battery negative pole and set up, prevent effectively that battery positive pole and battery negative pole from being formed the short circuit by the electrically conductive object intercommunication to prevent that the battery from because of the short circuit is impaired; moreover, the insulating sleeve can protect the battery anode and the battery cathode and prevent the battery anode and the battery cathode from being impacted or scratched.
The battery component provided by the utility model protects the battery anode and the battery cathode by arranging the insulating sleeve on the battery, and effectively prevents the battery anode and the battery cathode from being communicated by a conductive object to form a short circuit, thereby preventing the battery from being damaged due to the short circuit; and the battery can be prevented from being hit or scratched.
Drawings
Fig. 1 is a schematic structural diagram of a battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a battery assembly according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a battery assembly according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an insulation sleeve according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a battery assembly according to a second embodiment of the present invention;
fig. 6 is a schematic structural view of an insulating sleeve according to a second embodiment of the present invention.
In the figure:
1. a battery; 11. a battery positive electrode; 12. a battery negative electrode;
2. an insulating sleeve; 21. a top cover; 211. an avoidance groove; 212. a trough floor; 2121. a through hole; 22. a sleeve; 221. a protrusion; 23. an exhaust passage.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
The first embodiment is as follows:
as shown in fig. 1, a cylindrical battery 1 is provided, since the battery 1 has a positive electrode 11 and a negative electrode 12 at the same end of the battery 1, if the battery is touched by a conductive object by mistake during transportation or taking and placing, short circuit is likely to occur, which may cause serious damage to the battery 1 and even cause combustion and explosion.
To solve the above problems, as shown in fig. 1 and 2, the present embodiment provides an insulating sheath 2 and a battery assembly including a battery 1 and an insulating sheath 2. The top of battery 1 is provided with battery positive pole 11 and battery negative pole 12, and insulating cover 2 includes top cap 21 and sleeve 22, and the one end opening of connecting in sleeve 22 is closed to top cap 21, and the outer peripheral face of battery 1 can be located to the sleeve 22 to make top cap 21 cover and establish battery positive pole 11 and battery negative pole 12. The insulating sleeve 2 is sleeved on the single battery 1, and the battery anode 11 and the battery cathode 12 are covered, so that the battery anode 11 and the battery cathode 12 can be effectively prevented from being communicated by a conductive object to form a short circuit, and the battery 1 is prevented from being damaged due to the short circuit; moreover, the insulating sheath 2 can protect the battery positive electrode 11 and the battery negative electrode 12 from impact or scratching.
Further, as shown in fig. 3 and 4, the battery anode 11 forms a boss at the top end of the battery 1, the top cover 21 is correspondingly provided with an avoiding groove 211, and the battery anode 11 is located in the avoiding groove 211, so that the top cover 21 can be attached to the battery cathode 12, thereby effectively protecting the battery anode 11 and the battery cathode 12.
Further, as shown in fig. 4, the insulating sleeve 2 is provided with an exhaust channel 23, when the insulating sleeve 2 is assembled, air in the insulating sleeve 2 is exhausted from the exhaust channel 23, so as to prevent the assembly from being laborious due to the excessive gas pressure between the insulating sleeve 2 and the battery 1.
In the present embodiment, the exhaust passage 23 is provided on the inner wall of the sleeve 22, and the exhaust passage 23 extends to the open end of the sleeve 22 in the axial direction of the sleeve 22. During the assembly of the insulating sleeve 2 with the battery 1, the gas between the insulating sleeve 2 and the battery 1 is gradually discharged along the exhaust passage 23 on the inner wall of the sleeve 22.
Preferably, as shown in fig. 4, the exhaust passage 23 is provided in plural numbers to enable the gas to be exhausted relatively quickly. Specifically, a plurality of protrusions 221 are provided on the inner wall of the sleeve 22, one end of each protrusion 221 is connected to the top cover 21 and extends in the axial direction of the sleeve 22, and the exhaust passage 23 is formed between adjacent protrusions 221. Preferably, the side of the protrusion 221 facing the battery 1 is provided in an arc shape to be able to fit to the arc-shaped outer circumferential surface of the battery 1, so that the protrusion 221 can be tightly fitted to the battery 1 to prevent the insulating cover 2 from falling off from the battery 1. The inner diameter of the exhaust channel 23 is larger than the outer diameter of the battery 1, a gap exists between the exhaust channel and the battery 1 during assembly, and the gap forms the exhaust channel 23 for exhausting air in the insulating sleeve 2, so that the assembly is labor-saving.
Alternatively, a plurality of convex points are arranged on the inner wall of the sleeve 22, gaps between adjacent convex points form the exhaust channel 23, and the cross section of the convex points can be rectangular, semicircular, semi-elliptical or parabolic. The arrangement of the bumps on the inner wall of the sleeve 22 is not limited as long as a gap is left between the bumps to allow air between the insulating sheath 2 and the battery 1 to be discharged.
Preferably, the insulating sleeve 2 is made of insulating materials, the top cover 21 and the sleeve 22 are of a plastic-uptake or injection-molding integrated structure, processing is convenient, and cost is low.
Example two:
the insulating sleeve provided by the embodiment is basically the same as the first embodiment, except that:
in this embodiment, as shown in fig. 5 and 6, the inner wall of the sleeve 22 is not provided with the protrusion 221, the sleeve 22 is directly contacted with the battery 1 for press-fitting, so that the insulating sleeve 2 is tightly sleeved on the battery 1, the top cover 21 is provided with the through hole 2121, the through hole 2121 is communicated with the inner space of the insulating sleeve 2, the through hole 2121 forms the air exhaust channel 23, and the air in the insulating sleeve 2 is exhausted from the through hole 2121 of the top cover 21.
Preferably, the through hole 2121 is disposed on the groove bottom plate 212 avoiding the groove 211, and particularly, may be disposed at the center of the groove bottom plate 212, so as to facilitate smooth discharge of air in the insulating sleeve 2.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (13)
1. An insulating sleeve is used for protecting a battery (1), and a battery anode (11) and a battery cathode (12) are arranged at the top end of the battery (1), and is characterized in that the insulating sleeve (2) comprises a top cover (21) and a sleeve (22), the top cover (21) is connected to an opening at one end of the sleeve (22) in a covering mode, the sleeve (22) can be sleeved on the peripheral surface of the battery (1), and the top cover (21) covers the battery anode (11) and the battery cathode (12).
2. The insulating sleeve according to claim 1, wherein the battery anode (11) forms a boss at the top end of the battery (1), an avoiding groove (211) is correspondingly arranged on the top cover (21), and the battery anode (11) is positioned in the avoiding groove (211).
3. The insulating sleeve according to claim 2, characterized in that an air exhaust channel (23) is provided on the insulating sleeve (2), and when the insulating sleeve (2) is assembled, air in the insulating sleeve (2) is exhausted from the air exhaust channel (23).
4. The insulating sleeve according to claim 3, characterized in that the venting channel (23) is provided on the inner wall of the sleeve (22), the venting channel (23) extending in the axial direction of the sleeve (22) to the open end of the sleeve (22).
5. The insulating sleeve according to claim 4, characterized in that the venting channel (23) is provided with a plurality of strips.
6. The insulating sleeve according to claim 5, characterized in that a plurality of protrusions (221) are arranged on the inner wall of the sleeve (22), one end of each protrusion (221) is connected with the top cover (21) and extends along the axial direction of the sleeve (22), and the exhaust channel (23) is formed between the adjacent protrusions (221).
7. The insulating sheath according to claim 6, characterized in that the side of the protrusion (221) facing the battery (1) is provided in an arc shape so as to be able to fit to the arc-shaped outer circumferential surface of the battery (1).
8. The insulating sleeve according to claim 3, characterized in that a plurality of protuberances are provided on the inner wall of the sleeve (22), the gaps between adjacent protuberances forming the venting channels (23), the protuberances having a rectangular, semicircular, semi-elliptical or parabolic cross section.
9. The insulating sleeve according to claim 3, characterized in that the top cover (21) is provided with a through hole (2121), the through hole (2121) communicating with the inner space of the insulating sleeve (2), the through hole (2121) forming the exhaust passage (23).
10. The insulating sleeve according to claim 9, characterized in that the through-hole (2121) is provided on a groove floor (212) of the escape groove (211).
11. Insulating sleeve according to any of claims 1-10, characterized in that the insulating sleeve (2) is made of an insulating material.
12. The insulating sleeve according to claim 11, characterized in that the cap (21) and the sleeve (22) are of a one-piece construction, either blister or injection moulded.
13. A battery assembly, characterized in that it comprises a battery (1) and an insulating sleeve according to any one of claims 1-12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221437995.4U CN217589366U (en) | 2022-06-09 | 2022-06-09 | Insulating cover and battery pack |
| PCT/CN2022/125239 WO2023236407A1 (en) | 2022-06-09 | 2022-10-14 | Insulating sleeve and battery assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221437995.4U CN217589366U (en) | 2022-06-09 | 2022-06-09 | Insulating cover and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217589366U true CN217589366U (en) | 2022-10-14 |
Family
ID=83529616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221437995.4U Active CN217589366U (en) | 2022-06-09 | 2022-06-09 | Insulating cover and battery pack |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN217589366U (en) |
| WO (1) | WO2023236407A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236407A1 (en) * | 2022-06-09 | 2023-12-14 | 湖北亿纬动力有限公司 | Insulating sleeve and battery assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201229976Y (en) * | 2008-07-08 | 2009-04-29 | 天津力神电池股份有限公司 | Insulation sleeve for preventing battery short circuit during lithium ionic battery forming |
| KR101142600B1 (en) * | 2009-09-15 | 2012-05-03 | 삼성에스디아이 주식회사 | Secondary battery |
| CN106887635A (en) * | 2017-04-01 | 2017-06-23 | 帅福得（珠海保税区）电池有限公司 | A kind of battery and its assembly technology of low cost |
| CN110289442B (en) * | 2019-07-10 | 2021-12-03 | 深圳先进储能材料国家工程研究中心有限公司 | Large capacity secondary battery |
| CN111129574A (en) * | 2019-12-12 | 2020-05-08 | 深圳市东方芯愿新能源有限公司 | Integrally formed rechargeable battery and production method thereof |
| CN212625705U (en) * | 2020-07-20 | 2021-02-26 | 东莞市昂跃电子有限公司 | Positive and negative homopolar positive pole rechargeable battery with protection device |
| CN217589366U (en) * | 2022-06-09 | 2022-10-14 | 湖北亿纬动力有限公司 | Insulating cover and battery pack |
-
2022
- 2022-06-09 CN CN202221437995.4U patent/CN217589366U/en active Active
- 2022-10-14 WO PCT/CN2022/125239 patent/WO2023236407A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236407A1 (en) * | 2022-06-09 | 2023-12-14 | 湖北亿纬动力有限公司 | Insulating sleeve and battery assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023236407A1 (en) | 2023-12-14 |
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