CN204391164U - Cylindricality casing of lithium ion battery - Google Patents
Cylindricality casing of lithium ion battery Download PDFInfo
- Publication number
- CN204391164U CN204391164U CN201520085848.9U CN201520085848U CN204391164U CN 204391164 U CN204391164 U CN 204391164U CN 201520085848 U CN201520085848 U CN 201520085848U CN 204391164 U CN204391164 U CN 204391164U
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- CN
- China
- Prior art keywords
- housing
- lithium ion
- ion battery
- inner bottom
- cushion cap
- 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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- 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
Abstract
The utility model discloses a kind of cylindricality casing of lithium ion battery, it comprises the housing be made up of metallic material of aluminum, described housing is that one end is closed, the cylinder of other end opening, it is characterized in that the openend of housing is provided with cover plate waistband, housing inner bottom part is provided with cooling mechanism, described cooling mechanism is the cushion cap being arranged on housing inner bottom part, the utility model structure is simple, easy to process, better tightness, is arranged on the cushion cap of housing inner bottom part, effectively increase the heat-dissipating space of battery core body, improve radiating effect; Cover plate is arranged on cover plate waistband, becomes sealing by swaging in shell nozzle edge, and the locating bundling waistband of housing central section and upper strata clamp, lower floor's clamp are used for the location of battery core body, are beneficial to the battery production with overlength battery core body.
Description
Technical field
The utility model relates to a kind of cylindricality lithium ion battery, specifically a kind of cylindricality casing of lithium ion battery, particularly relates to a kind of cylindricality casing of lithium ion battery for Large Copacity (capacity >=10Ah), large scale (diameter >=35 ㎜).
Background technology
The shell of lithium ion battery is generally box hat, aluminum hull and flexible package, but in the middle of column type lithium-ion battery, generally adopts box hat, aluminum hull.But, to capacity reach 10Ah and size reach diameter 35 more than ㎜ time, the battery core body location of column type lithium-ion battery, heat radiation then will be restricted, and there is certain potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide a kind of cylindricality casing of lithium ion battery for Large Copacity (capacity >=10Ah), large scale (diameter >=35 ㎜).
The utility model adopts following technical scheme to realize its goal of the invention, a kind of cylindricality casing of lithium ion battery, it comprises the housing be made up of metallic material of aluminum, described housing is that one end is closed, the cylinder of other end opening, the openend of housing is provided with cover plate waistband, and housing inner bottom part is provided with cooling mechanism.
Cooling mechanism described in the utility model is the cushion cap being arranged on housing inner bottom part, and described cushion cap is at least 2, into strips, is distributed on housing inner bottom part.
The height of cushion cap described in the utility model is 0.8 ㎜ ~ 4.0 ㎜, and width is 2 ㎜ ~ 8 ㎜.
For locating the battery core body in slender type battery, the middle part of the utility model housing is provided with locating bundling waistband.
Damaged to leak in generation for effectively preventing lithium ion battery, overcharging, produce gas under high-temperature condition and discharge the blast caused not in time, the utility model housing outer bottom is provided with explosion-proof embossing, and the position of described explosion-proof embossing and cushion cap is interlaced arrangement.
Explosion-proof embossing described in the utility model is "+" shape or " Y " shape, is distributed on housing outer bottom.
Owing to adopting technique scheme, the utility model achieves goal of the invention preferably, and its structure is simple, and easy to process, better tightness, is arranged on the cushion cap of housing inner bottom part, effectively increases the heat-dissipating space of battery core body, improves radiating effect; Cover plate is arranged on cover plate waistband, becomes sealing by swaging in shell nozzle edge, and the locating bundling waistband of housing central section is used for the location of battery core body, being beneficial to the battery production with overlength battery core body.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to vertical view;
Schematic diagram when Fig. 4 is the utility model application.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1:
From Fig. 1, Fig. 2, Fig. 3, a kind of cylindricality casing of lithium ion battery, it comprises the housing 15 be made up of metallic material of aluminum, described housing 15 is for closing one end, the cylinder of other end opening, the openend of housing 15 is provided with cover plate waistband 18, and housing 15 inner bottom part is provided with cooling mechanism.
Cooling mechanism described in the utility model is the cushion cap 16 being arranged on housing 15 inner bottom part, and described cushion cap 16 is at least 2, into strips, is distributed on housing 15 inner bottom part.
The height of cushion cap 16 described in the utility model is 0.8 ㎜ ~ 4.0 ㎜, and width is 2 ㎜ ~ 8 ㎜.
The height of the present embodiment case body 15 is 210 ㎜, and diameter is 90 ㎜, and cushion cap 16 is 6, and it is highly 3.5 ㎜, and width is 4 ㎜.
For locating the battery core body 10 in slender type battery, the middle part of the utility model housing 15 is provided with locating bundling waistband.
Damaged to leak in generation for effectively preventing lithium ion battery, overcharging, produce gas under high-temperature condition and discharge the blast caused not in time, the utility model housing 15 outer bottom is provided with explosion-proof embossing 19, and the position of described explosion-proof embossing 19 and cushion cap 16 is interlaced arrangement.
Explosion-proof embossing 19 described in the utility model is "+" shape or " Y " shape, is distributed on housing 15 outer bottom.
As shown in Figure 4, the two ends of the utility model battery core body 10 are respectively arranged with positive electrode seat 11, negative pole seat 12, positive electrode seat 11, negative pole seat 12 have pressed respectively positive pole ear 8, negative lug 9, and the other end of positive pole ear 8, negative lug 9 is welded to connect with the positive pole nipple 3 on positive terminal 2 on cover plate lid 1, the negative pole nipple 6 on negative terminal 5 respectively.Positive pole coupling 4 on positive terminal 2, the negative pole coupling 7 on negative terminal 5 are provided with screw, are connected with outward element by bolt.For convenience of processing and installation, upper strata described in the utility model clamp 13, lower floor's clamp 14 form by 2 semi-circular plates; First 2 of lower floor's clamp 14 semi-circular plate combinations are put on the cushion cap 16 of casing of lithium ion battery housing 15 inner bottom part, it is good that negative pole seat 12 on battery core body 10 lower end aims at lower bay card, positive electrode seat 11 on battery core body 10 upper end is stuck in the groove of upper strata by 2 semi-circular plates of upper strata clamp 13, and the negative lug 9 pressed on negative pole seat 12 is by the opening on upper strata clamp 13; Finally, the cover plate waistband 18 that cover plate lid 1 is placed in case body 15 is pressed in case body 15 edge of opening, the sealing ring 17 of cover plate and side edge thereof is pinned, thus make battery core body 10 three be arranged between upper strata clamp 13, lower floor's clamp 14 form a column consistent with case body 15 internal diameter to be placed in battery case and to seal, battery core body 10 is closely fixed, prevent battery core body 10 from rocking in case body 15 and routine drop test test damage, make inside lithium ion cell more stable, improve the security performance of lithium ion battery.Meanwhile, be arranged on the cushion cap 16 of housing 15 inner bottom part, effectively increase the heat-dissipating space of battery core body 10, improve radiating effect.
In use, the explosion-proof embossing 19 of housing 15 outer bottom effectively can prevent lithium ion battery from damagedly to leak in generation, overcharges, can produce gas under high-temperature condition discharges the blast caused to lithium ion battery not in time.
Embodiment 2:
The height of the present embodiment case body 15 is 80 ㎜, and diameter is 35 ㎜, and the height of cushion cap 16 is 2.0 ㎜, and width is 2.0 ㎜.Positive pole coupling 4 on positive terminal 2, negative pole coupling on negative terminal 57, in ox horn type, are connected with outward element by welding.
Remaining with embodiment 1.
Claims (6)
1. a cylindricality casing of lithium ion battery, it comprises the housing be made up of metallic material of aluminum, and described housing is that one end is closed, the cylinder of other end opening, and it is characterized in that the openend of housing is provided with cover plate waistband, housing inner bottom part is provided with cooling mechanism.
2. cylindricality casing of lithium ion battery according to claim 1, it is characterized in that described cooling mechanism is the cushion cap being arranged on housing inner bottom part, described cushion cap is at least 2, into strips, is distributed on housing inner bottom part.
3. cylindricality casing of lithium ion battery according to claim 2, it is characterized in that the height of described cushion cap is 0.8 ㎜ ~ 4.0 ㎜, width is 2 ㎜ ~ 8 ㎜.
4. cylindricality casing of lithium ion battery according to claim 1, is characterized in that the middle part of housing is provided with locating bundling waistband.
5. the cylindricality casing of lithium ion battery according to claim 1 or 2 or 3 or 4, is characterized in that housing outer bottom is provided with explosion-proof embossing, and the position of described explosion-proof embossing and cushion cap is interlaced arrangement.
6. cylindricality casing of lithium ion battery according to claim 5, is characterized in that described explosion-proof embossing is for "+" shape or " Y " shape, is distributed on housing outer bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085848.9U CN204391164U (en) | 2015-02-06 | 2015-02-06 | Cylindricality casing of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085848.9U CN204391164U (en) | 2015-02-06 | 2015-02-06 | Cylindricality casing of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204391164U true CN204391164U (en) | 2015-06-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520085848.9U Active CN204391164U (en) | 2015-02-06 | 2015-02-06 | Cylindricality casing of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204391164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832232A (en) * | 2018-08-24 | 2018-11-16 | 德朗能（张家港）动力电池有限公司 | Convenient for the cylinder type lithium battery of heat dissipation |
-
2015
- 2015-02-06 CN CN201520085848.9U patent/CN204391164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832232A (en) * | 2018-08-24 | 2018-11-16 | 德朗能（张家港）动力电池有限公司 | Convenient for the cylinder type lithium battery of heat dissipation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yiyang City, Hunan Province, Chaoyang Road 413000 Lane No. 7 dam mouth Tungoiltree Patentee after: HUNAN HUAHUI NEW ENERGY CO., LTD. Address before: Yiyang City, Hunan Province, Chaoyang Road 413000 Lane No. 7 dam mouth Tungoiltree Patentee before: Hunan Huahui New Energy Co., Ltd. |