CN203746959U - Lithium ion battery parallel structure with short-circuit protection - Google Patents
Lithium ion battery parallel structure with short-circuit protection Download PDFInfo
- Publication number
- CN203746959U CN203746959U CN201420024450.XU CN201420024450U CN203746959U CN 203746959 U CN203746959 U CN 203746959U CN 201420024450 U CN201420024450 U CN 201420024450U CN 203746959 U CN203746959 U CN 203746959U
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- CN
- China
- Prior art keywords
- connecting plate
- short
- lithium ion
- ion battery
- negative pole
- 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.)
- Expired - Fee Related
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 abstract 4
- 210000004027 cell Anatomy 0.000 description 17
- 238000010586 diagram Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical group [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010930 yellow gold Substances 0.000 description 1
- 229910001097 yellow gold Inorganic materials 0.000 description 1
Classifications
-
- 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
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a lithium ion battery parallel structure with short-circuit protection. The lithium ion battery parallel structure with short-circuit protection comprises a plurality of monomer batteries, a positive electrode connection plate and a negative electrode connection plate, wherein male terminals are arranged on positive electrodes of the monomer batteries; female terminals are arranged on the positive electrode connection plate; male terminals are arranged on negative electrodes of the monomer batteries; female terminals are arranged on the negative electrode connection plate. Compared with the prior art, the lithium ion battery parallel structure with short-circuit protection is fixed by fastening and riveting of the terminals instead of conventional parallel connection manners of screw locking and spot welding, and thus the working efficiency is improved; meanwhile, flow guide protection areas are arranged on the positive electrode connection plate and the negative electrode connection plate, when one monomer battery is subjected to short-circuit internally, instant high current flows through the battery through the flow guide protection areas, and when the short-circuit current is higher than a safety value, the flow guide protection areas are fused due to high temperature, and the circuit is broken, so that the battery is isolated from an overall battery pack, and the overall parallel battery pack protected from being influenced.
Description
[technical field]
The utility model relates to lithium ion battery field, relates in particular to a kind of lithium ion battery parallel-connection structure with short-circuit protection.
[background technology]
Lithium ion battery is as a kind of novel energy-storing power supply, there is the advantages such as energy is high, operating voltage is high, operating temperature range is wide, volume is little, the life-span is long, environmental protection, become rapidly the new Pang in power supply market, and be widely applied in all trades and professions such as hybrid electric vehicle, pure electric vehicle, honourable energy storage device, modern military equipment, communication.Research finds, in battery pack production process, not only its technology has very important impact to its quality, and good safe design, the mode of production is most important especially efficiently.
The common packaging technology of ferric phosphate lithium cell group is: first make some cells, again according to the needs to voltage and capacity of load, calculate and need how many cells to connect, parallel combination, adopt again lock screw, the mode of spot welding also relies on copper coin that a plurality of cells are carried out to parallel connection, the last magnitude of voltage of requirement that again battery pack of a plurality of parallel connections is connected in series to, the weak point of this battery pack is: by lock screw, the mode of spot welding is connected in parallel, process is numerous and diverse, operating efficiency is low, if and single battery super-charge super-discharge in batteries in parallel connection group, equal unprotect function during internal short-circuit, once this thing happens, certainly exist leakage, on fire, the danger of blast.
In view of above drawback, be necessary to provide a kind of lithium ion battery parallel-connection structure with short-circuit protection to overcome above-mentioned defect in fact.
[utility model content]
The purpose of this utility model is to provide a kind of lithium ion battery parallel-connection structure with short-circuit protection, and it not only improves installment work efficiency, can also ensure the short circuit safeguard protection between batteries in parallel connection simultaneously.
To achieve these goals; the utility model adopts following technical scheme: a kind of lithium ion battery parallel-connection structure with short-circuit protection; it comprises some cells, anodal connecting plate, negative pole connecting plate; the positive pole of described cell is provided with male terminal; anodal connecting plate is provided with female terminal; female terminal on the anodal male terminal of cell and anodal connecting plate is fastened and connected, then arrives together with rivet.The negative pole of described cell is provided with male terminal, and is one-body molded with battery cathode box hat, and described negative pole connecting plate is provided with female terminal, and the female terminal on cell negative pole male terminal and negative pole connecting plate is fastened and connected, then arrives together with rivet.
As a kind of a kind of improvement with the lithium ion battery parallel-connection structure of short-circuit protection of the utility model; female terminal on the anodal male terminal of described cell and anodal connecting plate is all regular hexahedron shape; and being equipped with fastening accepting groove, the female terminal on described cell negative terminal and negative pole connecting plate is all cylindrical shape.
As a kind of a kind of improvement of lithium ion battery parallel-connection structure with short-circuit protection of the utility model, on described anodal connecting plate, negative pole connecting plate, be equipped with water conservancy diversion protection zone.
As a kind of a kind of improvement of lithium ion battery parallel-connection structure with short-circuit protection of the utility model, the material of described anodal connecting plate, negative pole connecting plate has good electric conductivity, and has lower fusing point, and what adopt in the present embodiment is yellow gold.
As a kind of a kind of improvement of lithium ion battery parallel-connection structure with short-circuit protection of the utility model; the material of the terminal on described anodal connecting plate, negative pole connecting plate and cell positive and negative electrode is to have good electric conductivity; and have the metal that good elasticity and recovery capacity are strong, what use in the present embodiment is beryllium copper.
The beneficial effects of the utility model are: due at cell just, negative pole two ends are provided with terminal, at anodal connecting plate, negative pole connecting plate is provided with female terminal, by the fastening between terminal, riveted joint is fixing, replace traditional lock screw, the mode that is connected in parallel of spot welding, greatly improved operating efficiency, simultaneously, at anodal connecting plate, on negative pole connecting plate, establish water conservancy diversion protection zone, when certain cell internal short-circuit, this battery can become a conductor and to the short circuit of whole batteries in parallel connection group, now have instantaneous large-current by water conservancy diversion protection zone this battery of flowing through, when this short circuit current surpasses safety value, water conservancy diversion protection zone can fuse by Yin Gaowen, disconnect positive and negative electrode circuit, by this battery isolated opening from integral battery door group, thereby protection can not be affected to whole batteries in parallel connection group, and because the size of guiding region is only several millimeters, after fusing, battery herein can not produce on a large scale and rock.
[accompanying drawing explanation]
Fig. 1 is a kind of battery schematic diagram with the lithium ion battery parallel-connection structure of short-circuit protection of the utility model;
Fig. 2 is a kind of assembling exploded view with the lithium ion battery parallel-connection structure of short-circuit protection of the utility model;
Fig. 3 is a kind of anodal connecting plate diagram with the lithium ion battery parallel-connection structure of short-circuit protection of the utility model;
Fig. 4 is a kind of negative pole connecting plate diagram with the lithium ion battery parallel-connection structure of short-circuit protection of the utility model;
Fig. 5 is a kind of whole diagram with the lithium ion battery parallel-connection structure of short-circuit protection of the utility model.
[embodiment]
Please refer to shown in Fig. 1 to Fig. 5, below in conjunction with case study on implementation, the utility model is described in further detail.
A kind of execution mode with the lithium ion battery parallel-connection structure of short-circuit protection of the utility model is such: at the anodal male terminal 1 of installing of cell, cell negative pole install male terminal 2 and with cell body one-shot forming; When anodal connecting plate 10 is installed, by the female terminal 11 on anodal connecting plate 10 and the male terminal 1 on anode, fasten, and use rivet 5 riveted joints; When negative pole connecting plate 20 is installed, by the female terminal 22 on negative pole connecting plate 20 and the terminal 2 in battery cathode, fasten, and use rivet 5 riveted joints.
Its operation principle is: when certain cell internal short-circuit; this battery can become a conductor and to the short circuit of whole batteries in parallel connection group; and have instantaneous large-current by the water conservancy diversion protection zone 15 on anodal connecting plate 10 and the water conservancy diversion protection zone 25 on negative pole connecting plate 20; when this short circuit current surpasses safety value; water conservancy diversion protection zone 15,25 on positive and negative electrode connecting plate is understood Yin Gaowen and is fused; thereby open circuit; by this battery isolated opening from integral battery door group, thereby protection can not be affected to whole batteries in parallel connection group.
A kind of lithium ion battery parallel-connection structure with short-circuit protection of the utility model; be not restricted to described in specification and execution mode; therefore for the personnel of familiar field, can easily realize additional advantage and modification; therefore in the situation that do not deviate from the spirit and scope of the universal that claim and equivalency range limit, the utility model is not limited to specific details, representational equipment and illustrates here and the examples shown of describing.
Claims (5)
1. a lithium ion battery parallel-connection structure with short-circuit protection, it comprises some cells, anodal connecting plate, negative pole connecting plate, it is characterized in that: the positive pole of described cell is provided with male terminal, anodal connecting plate is provided with female terminal, female terminal on the anodal male terminal of cell and anodal connecting plate is fastened and connected, with rivet, arrive together again, the negative pole of described cell is provided with male terminal, and be one-body molded with battery cathode box hat, described negative pole connecting plate is provided with female terminal, female terminal on cell negative pole male terminal and negative pole connecting plate is fastened and connected, with rivet, arrive together again.
2. a kind of lithium ion battery parallel-connection structure with short-circuit protection according to claim 1; it is characterized in that: the female terminal on the anodal male terminal of described cell and anodal connecting plate is all regular hexahedron shape; and being equipped with fastening accepting groove, the female terminal on described cell negative terminal and negative pole connecting plate is all cylindrical shape.
3. a kind of lithium ion battery parallel-connection structure with short-circuit protection according to claim 1, is characterized in that: on described anodal connecting plate, negative pole connecting plate, be equipped with water conservancy diversion protection zone.
4. a kind of lithium ion battery parallel-connection structure with short-circuit protection according to claim 1, is characterized in that: the material of described anodal connecting plate, negative pole connecting plate has good electric conductivity, and has lower fusing point.
5. a kind of lithium ion battery parallel-connection structure with short-circuit protection according to claim 1, is characterized in that: the material of the terminal on described anodal connecting plate, negative pole connecting plate and cell positive and negative electrode is to have good electric conductivity and have good elasticity and the strong metal of recovery capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024450.XU CN203746959U (en) | 2014-01-14 | 2014-01-14 | Lithium ion battery parallel structure with short-circuit protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420024450.XU CN203746959U (en) | 2014-01-14 | 2014-01-14 | Lithium ion battery parallel structure with short-circuit protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746959U true CN203746959U (en) | 2014-07-30 |
Family
ID=51346721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420024450.XU Expired - Fee Related CN203746959U (en) | 2014-01-14 | 2014-01-14 | Lithium ion battery parallel structure with short-circuit protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746959U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207063A (en) * | 2016-08-26 | 2016-12-07 | 中银（宁波）电池有限公司 | Battery connects assembly and assembled battery |
| CN106784561A (en) * | 2016-11-30 | 2017-05-31 | 深圳市沃特玛电池有限公司 | Negative pole confluxes busbar and battery modules |
| CN107611327A (en) * | 2017-08-25 | 2018-01-19 | 大连中比动力电池有限公司 | A kind of lithium ion battery module and battery bag |
| CN107681218A (en) * | 2016-08-01 | 2018-02-09 | 福特全球技术公司 | Sensor fuse part for array |
| WO2018214260A1 (en) * | 2017-05-23 | 2018-11-29 | 东深金属燃料动力实验室有限责任公司 | Monomeric metal-air battery and electric pile and electric pile group consisting of same |
| US10186739B2 (en) | 2014-10-23 | 2019-01-22 | Ampd Energy Limited | Battery assembly |
| CN114583413A (en) * | 2022-02-28 | 2022-06-03 | 徐苗 | A device and method for preventing deflagration of lithium battery pack based on thermal fuse |
| CN115398732A (en) * | 2020-04-17 | 2022-11-25 | Tvs电机股份有限公司 | Energy module |
-
2014
- 2014-01-14 CN CN201420024450.XU patent/CN203746959U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10186739B2 (en) | 2014-10-23 | 2019-01-22 | Ampd Energy Limited | Battery assembly |
| CN107681218A (en) * | 2016-08-01 | 2018-02-09 | 福特全球技术公司 | Sensor fuse part for array |
| CN106207063A (en) * | 2016-08-26 | 2016-12-07 | 中银（宁波）电池有限公司 | Battery connects assembly and assembled battery |
| CN106207063B (en) * | 2016-08-26 | 2018-10-12 | 中银（宁波）电池有限公司 | Battery connection component and assembled battery |
| CN106784561A (en) * | 2016-11-30 | 2017-05-31 | 深圳市沃特玛电池有限公司 | Negative pole confluxes busbar and battery modules |
| WO2018214260A1 (en) * | 2017-05-23 | 2018-11-29 | 东深金属燃料动力实验室有限责任公司 | Monomeric metal-air battery and electric pile and electric pile group consisting of same |
| CN107611327A (en) * | 2017-08-25 | 2018-01-19 | 大连中比动力电池有限公司 | A kind of lithium ion battery module and battery bag |
| CN107611327B (en) * | 2017-08-25 | 2023-06-09 | 大连中比动力电池有限公司 | Lithium ion battery module and battery pack |
| CN115398732A (en) * | 2020-04-17 | 2022-11-25 | Tvs电机股份有限公司 | Energy module |
| CN114583413A (en) * | 2022-02-28 | 2022-06-03 | 徐苗 | A device and method for preventing deflagration of lithium battery pack based on thermal fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Lithium ion battery parallel structure with short-circuit protection Effective date of registration: 20141218 Granted publication date: 20140730 Pledgee: Export Import Bank of China Pledgor: Shenzhen Optimum Battery Co.,Ltd.|Zhao Bing Registration number: 2014990001097 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171025 Granted publication date: 20140730 Pledgee: Export Import Bank of China Pledgor: Shenzhen Optimum Battery Co.,Ltd.|Zhao Bing Registration number: 2014990001097 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180428 Granted publication date: 20140730 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20140730 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210428 Granted publication date: 20140730 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240114 Granted publication date: 20140730 |
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| PD01 | Discharge of preservation of patent | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Fei Document name: Notice of Termination of Procedure |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Fei Document name: Notice of Termination of Patent Rights |
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| DD01 | Delivery of document by public notice | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |