CN204289586U - A kind of plug-in lithium battery electric core - Google Patents
A kind of plug-in lithium battery electric core Download PDFInfo
- Publication number
- CN204289586U CN204289586U CN201420650976.9U CN201420650976U CN204289586U CN 204289586 U CN204289586 U CN 204289586U CN 201420650976 U CN201420650976 U CN 201420650976U CN 204289586 U CN204289586 U CN 204289586U
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- China
- Prior art keywords
- battery core
- lug
- plug
- main body
- nose
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- 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
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of plug-in lithium battery electric core, and described battery core comprises battery core main body and two lugs, and wherein battery core main body is hollow circle tube, and one end of battery core main body is provided with positive pole ear, and the other end is provided with negative lug; Described lug is plug-in, and one of them lug is nose, and another lug is recessed end, and the recessed end of two battery cores and nose can plug coupling mutually.Battery core of the present utility model connects without the need to welding or bolt in connection in series-parallel process, directly achieves plug and connects; Reduce the complexity of module design, improve connective stability and consistency; Without the need to additional external support component, modular structure is simple, and packaging efficiency is high, and combination changeability is high.
Description
Technical field
The utility model belongs to technical field of lithium batteries, particularly a kind of plug-in lithium battery electric core.
Background technology
Existing lithium ion power system is combined by connection in series-parallel primarily of lithium ion power battery core, and increases corresponding management system composition.And current lithium ion power battery core main Types has column type, square aluminum hull or box hat, flexible package etc.Such lithium-ion electric core is when connection in series-parallel is combined, assembling mode all needs carrying out going here and there assembling also in modes such as battery core collector weld or is bolted, module design there is very complicated design requirement for heat radiation, insulation, control circuit etc., and there is following number of drawbacks:
1, during connection in series-parallel combination, there is very large unsteadiness in tab welding, easily occurs solder skip, rosin joint, and complex structural designs.
2, the mode be bolted exists, and easily loosens in use procedure, and this kind of connected mode easily causes differing greatly of contact internal resistance, and what affect between each module of total system is consistent.
3, due to the sampled signal line of power-supply management system, be connected by soldering substantially, in the processes such as the vibrations friction easily used, go offline, lose the problems such as signal, even cause the security incidents such as short circuit.
Utility model content
The utility model is for above shortcoming, provide a kind of new cylindrical shape lithium ion power battery core to realize connecting without the need to welding or bolt in connection in series-parallel process, directly realize plug-in to connect, to reach the complexity reducing module design, improve connective stability and conforming object.
For achieving the above object, the utility model is taked following technical proposals to realize:
A kind of plug-in lithium battery electric core, described battery core comprises battery core main body and two lugs, and wherein battery core main body is hollow circle tube, and one end of battery core main body is provided with positive pole ear, and the other end is provided with negative lug; Described lug is plug-in, and one of them lug is nose, and another lug is recessed end, and the recessed end of two battery cores and nose can plug coupling mutually.
Further, negative lug is recessed end, and positive pole ear is nose, this kind of battery core called after A type battery core.
Further, positive pole ear is recessed end, and negative lug is nose, this kind of battery core called after Type B battery core.
When combining, the superposition of AA, BB plug-in is tandem compound, and the combination of AB plug-in is parallel combination.
Further, the columnar inwall of described battery core main body is provided with wire casing or line card button.
Further, positive and negative lug junction is provided with the plug-and-pull port of holding wire, and described plug-and-pull port mates with signal subspace end.
Further, the columnar hollow space of described battery core main body is provided with air channel or heat pipe.
Further, described recessed end lug comprises the identical concentric circles annular lug wall of the twice height that is arranged on cylinder one end, is a groove between twice wall; Described nose lug is one annular protrusion arranging the cylinder other end.
Preferably, the plug-and-pull port of holding wire is arranged on lug wall.
Further, described groove is identical with protruding height, is 10-30mm.
Further, described groove is identical with protruding width, is 0.5-3mm.
In a word, the beneficial effects of the utility model are:
Battery core of the present utility model adopts the design of two concavo-convex couplings of lug, thus connects without the need to welding or bolt in connection in series-parallel process, directly realizes plug-in and connects, reduce the complexity of module design, improve connective stability and consistency between battery core; And without the need to additional external support component during connection in series-parallel, modular structure is simple, and packaging efficiency is high, combination changeability is high.
Further, by designing the drum type brake hollow mode of battery core, the air channel that can arrange heat management at hollow space or the space of installing as heat pipe, namely think about the problem such as heat radiation, insulation of module, fundamentally head it off in monomer stage.
Further, the draw-in groove of signalization line cabling or buckle on the inwall of battery core monomer cylinder, and holding wire all adopts plug sub warhead mode, prevents the problems such as soldering salient point, improves stability.
Further, lug is provided with reasonably height and thickness, has both met the needs of stable connection, cost-saved again, Loss reducing.
Accompanying drawing explanation
Fig. 1 is the structural representation of plug-in battery core in embodiment 1.
Fig. 2 is the structural representation of plug-in battery core in embodiment 2.
Fig. 3 is the schematic diagram in embodiment 3 after battery core series connection.
Fig. 4 is the schematic diagram in embodiment 4 after battery core parallel connection.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in detail.
Embodiment 1
Fig. 1 is the structural representation of plug-in battery core in embodiment 1.As shown in Figure 1, the plug-in lithium battery electric core in the present embodiment comprises battery core main body 1, positive pole ear 2 and negative lug 3.
Described battery core main body 1 is hollow circle tube.Battery core main body one end be positive pole ear 2, the other end is negative lug 3.The columnar inwall of battery core main body 1 is provided with wire casing 4, for installing signal wire harness.Columnar hollow space can be provided with air channel or heat pipe, for heat radiation or insulation.
Lug is plug-in, and positive pole ear 2 is nose, and negative lug 3 is recessed end, and the recessed end of two lugs and nose can plug coupling mutually.
Positive pole ear 2 is nose lug, is one annular protrusion, is arranged on the one end in battery core main body 1.
Negative lug 3 comprises the groove between twice lug wall and lug wall.Described twice lug wall is donut, and both height are identical.
The projection of positive pole ear 2 and the groove match of negative lug 3, namely described groove is identical all identical with width with protruding height.
Described in the utility model, height that is protruding and groove is preferably 10-30mm, and in the present embodiment, it is highly 15mm.
Described groove and protruding width are preferably 0.5-3mm, and in the present embodiment, its width is 1mm.
The battery core called after A type battery core of the present embodiment, design capacity is 10Ah.
Embodiment 2
Fig. 2 is the structural representation of plug-in battery core in embodiment 2.As shown in Figure 2, the plug-in lithium battery electric core in the present embodiment comprises battery core main body 1 ', positive pole ear 2 ' and negative lug 3 '.
Described battery core main body 1 ' is hollow circle tube.Battery core main body one end be positive pole ear 2 ', the other end is negative lug 3 '.The columnar inwall of battery core main body 1 ' is provided with wire casing 4 ', for installing signal wire harness.Columnar hollow space can be provided with air channel or heat pipe, for heat radiation or insulation.
Lug is plug-in, and negative lug 3 ' is nose, and positive pole ear 2 ' is recessed end, and the recessed end of two lugs and nose can plug coupling mutually.
Positive pole ear 2 ' comprises the groove 22 ' between twice lug wall 21 ' and lug wall 21 '.Described twice lug wall 21 ' is donut, and both height are identical.Described lug wall 21 ' is still provided with the plug-and-pull port 23 ' of signal line, described plug-and-pull port 23 ' mates with signal subspace end.
Negative lug 3 ' is i.e. nose lug, is one annular protrusion, is arranged on the other end of battery core main body 3 '.
The projection of negative lug 3 ' and the groove 22 ' of positive pole ear 2 ' match, and namely described groove is identical all identical with width with protruding height.
Described in the utility model, height that is protruding and groove is preferably 10-30mm, and in the present embodiment, it is highly 20mm.
Described groove and protruding width are preferably 0.5-3mm, and in the present embodiment, its width is 1.5mm.
The battery core called after Type B battery core of the present embodiment, design capacity is 10Ah.
Embodiment 3
12V10Ah module
Fig. 3 is the schematic diagram in embodiment 3 after battery core series connection.As shown in Figure 3, by the grafting superposition mutually each other of the A type battery core in four embodiments 1, series connection can be realized, make required 12V10Ah module.
Or also by the grafting superposition mutually each other of the Type B battery core in four embodiments 2, also can realize series connection, make required 12V10Ah module.
Embodiment 4
3.2V30Ah module
Fig. 4 is the schematic diagram in embodiment 4 after battery core parallel connection.As shown in Figure 4, Type B battery core in the A type battery core in embodiment 1 and embodiment 2 is carried out upper and lower grafting superposition by ABA form in parallel, and connect wire on demand in battery core junction, required 3.2V30Ah module can be obtained.
Or it is in parallel that Type B battery core in the A type battery core in embodiment 1 and embodiment 2 is carried out upper and lower grafting superposition by BAB form, can obtain required 3.2V30Ah module.
Although the utility model discloses as above with preferred embodiment, the utility model is not defined in this.Any those skilled in the art, not departing from spirit and scope of the present utility model, all can make various changes or modifications, and therefore protection range of the present utility model should be as the criterion with claim limited range.
Claims (10)
1. a plug-in lithium battery electric core, is characterized in that, described battery core comprises battery core main body and two lugs, and wherein battery core main body is hollow circle tube, and one end of battery core main body is provided with positive pole ear, and the other end is provided with negative lug; Described lug is plug-in, and one of them lug is nose, and another lug is recessed end, and the recessed end of two battery cores and nose can plug coupling mutually.
2. battery core according to claim 1, is characterized in that, positive pole ear is recessed end, and negative lug is nose.
3. battery core according to claim 1, is characterized in that, negative lug is recessed end, and positive pole ear is nose.
4. battery core according to claim 1, is characterized in that, the columnar inwall of described battery core main body is provided with wire casing or line card button.
5. battery core according to claim 1, is characterized in that, positive and negative lug junction is provided with the plug-and-pull port of holding wire, and described plug-and-pull port mates with signal subspace end.
6. battery core according to claim 1, is characterized in that, the columnar hollow space of described battery core main body is provided with air channel or heat pipe.
7. battery core according to claim 1, is characterized in that, described recessed end lug comprises the identical concentric circles annular lug wall of the twice height that is arranged on cylinder one end, is a groove between twice wall; Described nose lug is one annular protrusion arranging the cylinder other end.
8. battery core according to claim 5, is characterized in that, the plug-and-pull port of described holding wire is arranged on lug wall.
9. battery core according to claim 7, is characterized in that, described groove is identical with protruding height, is 10-30mm.
10. battery core according to claim 7, is characterized in that, described groove is identical with protruding width, is 0.5-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650976.9U CN204289586U (en) | 2014-11-04 | 2014-11-04 | A kind of plug-in lithium battery electric core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650976.9U CN204289586U (en) | 2014-11-04 | 2014-11-04 | A kind of plug-in lithium battery electric core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204289586U true CN204289586U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420650976.9U Expired - Fee Related CN204289586U (en) | 2014-11-04 | 2014-11-04 | A kind of plug-in lithium battery electric core |
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| CN (1) | CN204289586U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332581A (en) * | 2014-11-04 | 2015-02-04 | 浙江西凯新能源开发有限公司 | Detachable lithium battery cell |
| CN113258186A (en) * | 2021-05-14 | 2021-08-13 | 中为联合创新(平潭)工程研究有限公司 | Power supply system of bipolar welding-free battery cell |
| CN114824668A (en) * | 2022-03-31 | 2022-07-29 | 东风汽车集团股份有限公司 | Series-parallel switching device, battery pack and vehicle |
-
2014
- 2014-11-04 CN CN201420650976.9U patent/CN204289586U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332581A (en) * | 2014-11-04 | 2015-02-04 | 浙江西凯新能源开发有限公司 | Detachable lithium battery cell |
| CN104332581B (en) * | 2014-11-04 | 2017-10-27 | 浙江西凯新能源开发有限公司 | A kind of plug-in lithium battery electric core |
| CN113258186A (en) * | 2021-05-14 | 2021-08-13 | 中为联合创新(平潭)工程研究有限公司 | Power supply system of bipolar welding-free battery cell |
| CN114824668A (en) * | 2022-03-31 | 2022-07-29 | 东风汽车集团股份有限公司 | Series-parallel switching device, battery pack and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 323400 Qingyun Road, Xiping street, Songyang County, Lishui City, Zhejiang Province, No. 208 Patentee after: China steam battery (Zhejiang) Co., Ltd. Address before: 323400 Qingyun Road, Xiping street, Songyang County, Lishui City, Zhejiang Province, No. 208 Patentee before: ZHEJIANG SINOTOPNE NEW ENERGY DEVELOPMENT CO., LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20181104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |