CN202217719U - Connection structure of power battery pack - Google Patents
Connection structure of power battery pack Download PDFInfo
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- CN202217719U CN202217719U CN2011202770953U CN201120277095U CN202217719U CN 202217719 U CN202217719 U CN 202217719U CN 2011202770953 U CN2011202770953 U CN 2011202770953U CN 201120277095 U CN201120277095 U CN 201120277095U CN 202217719 U CN202217719 U CN 202217719U
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- Prior art keywords
- battery pack
- power battery
- batteries
- cell
- parallel connection
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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 connection structure of a power battery pack. The connection structure comprises single batteries, connection conductors for parallel connection, connection conductors for serial connection and electrode terminal cables. Electrode terminals with the same polarity of m single batteries are connected with one another by the connection conductor for the parallel connection to form a parallel-connected battery pack unit; m cathode terminals of the m single batteries of the previous parallel-connected battery pack unit respectively correspond to m anode terminals of the m single batteries of the next parallel-connected battery pack unit one by one, and the n parallel-connected battery pack units are serially connected by the m connection conductors for the serial connection; and one cable is leaded out from each anode terminal of the m single batteries in the first parallel-connected battery pack unit as a main anode of the power battery pack, and one cable is leaded out from each cathode terminal of the m single batteries in the last parallel-connected battery pack unit as a main cathode of the power battery pack. With the adoption of the connection structure, the current which flows through each single battery can be equalized, thereby slowing down the aging speed of each single battery.
Description
Technical field
The utility model relates to power battery pack, particularly a kind of power battery pack syndeton.
Background technology
In short supply along with oil, and people are to the raising of environmental requirement, electric automobile and hybrid vehicle more and more show its superiority.As the core drive energy---the power battery pack of electric automobile, it is particularly outstanding that its importance seems.At present, safety, volume are little because it has, the energy density advantages of higher forms the first-selected power source into people for lithium ion battery, can form power battery pack through a plurality of cells of serial or parallel connection.
Cell is when forming power battery pack; Common connected mode is as shown in Figure 1; Passing through the like electricity gate terminal 2 of m cell 1 also, coupling bonding conductor 4 links to each other; Form a batteries in parallel connection group unit, connect the negative electrode terminal of previous batteries in parallel connection group unit and the positive electrode terminal of a back batteries in parallel connection group unit with a string coupling bonding conductor 5 then, n batteries in parallel connection group unit is in series; Draw the total positive pole of a cable 6 from a positive electrode terminal of first batteries in parallel connection group unit, draw the total negative pole of a cable 6 as this power battery pack from a negative electrode terminal of last batteries in parallel connection group unit as this power battery pack.
The common connected mode of above-mentioned power battery pack; Because also coupling bonding conductor 4 is continuous to have only one between each batteries in parallel connection group unit; Because there is certain resistance in the also coupling bonding conductor 4 of the like electricity gate terminal 2 of cell 1 in the same batteries in parallel connection group unit; Can make the unbalanced of electric current through each cell 1, can cause in the long-time running process that the performance of internal resistance, capacity etc. of cell 1 is unbalance, quicken the aging of each cell 1.
The utility model content
The technical problem that the utility model will solve provides a kind of power battery pack syndeton, can make the equalization of the electric current that flows through each cell, slows down the aging of each cell.
For solving the problems of the technologies described above; The utility model provides a kind of power battery pack syndeton; Comprise that cell and coupling bonding conductor, series connection are with bonding conductor, electrode terminal cable; The like electricity gate terminal of every m cell is formed a batteries in parallel connection group unit through also the coupling bonding conductor is continuous;
M positive electrode terminal of m cell of a m negative electrode terminal of m cell of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit is corresponding one by one respectively; Link to each other with bonding conductor with m series connection, n batteries in parallel connection group unit is in series;
Draw the total positive pole of a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit, draw the total negative pole of a cable as power battery pack from each negative electrode terminal of m cell of last batteries in parallel connection group unit as power battery pack;
M, n are the positive integer more than or equal to 2.
Can m positive electrode terminal of m cell of a m negative electrode terminal of m cell of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit is corresponding one by one respectively; Link to each other with bonding conductor with m series connection; F batteries in parallel connection group unit is in series, forms a power battery pack unit;
Each power battery pack unit is drawn a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit, draws a cable from each negative electrode terminal of m cell of last batteries in parallel connection group unit;
Cable with each negative electrode terminal of m cell of last batteries in parallel connection group unit of previous power battery pack unit; Corresponding one by one respectively linking to each other of cable with each positive electrode terminal of m cell of last batteries in parallel connection group unit of a back power battery pack unit, p power battery pack unit is in series;
Draw the total positive pole of a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit of first power battery pack unit, draw the total negative pole of a cable as power battery pack from each negative electrode terminal of m cell of last batteries in parallel connection group unit of last power battery pack unit as power battery pack;
F, p are the positive integer more than or equal to 2, n=f * p.
One embodiment, m=3, f=4, p=2, n=8.
The material of said cable, specification can be identical.
Said and coupling bonding conductor and said series connection can the coated insulation layers with the outside of bonding conductor.
Said cell can be lithium ion battery.
Said and coupling bonding conductor and said series connection can be copper braid over braid or copper bar with bonding conductor.
The power battery pack syndeton of the utility model; Adopt series, parallel to mix syndeton; M cell formed a batteries in parallel connection group unit; Distinguishing m positive electrode terminal of m cell of a m negative electrode terminal of m cell of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit one by one with m series connection with bonding conductor then, correspondence links to each other; N batteries in parallel connection group unit is in series; Because each cell in the batteries in parallel connection group unit, front and back all links to each other respectively, the resistance like electricity gate terminal of cell and that the coupling bonding conductor exists can not influence the electric current through each cell in the same batteries in parallel connection group unit, thereby this structure can make the equalization of the electric current that flows through each cell; Thereby avoid causing in the long-time running process performance of internal resistance, capacity etc. of cell unbalance, slow down the aging of each cell.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
Fig. 1 is the common connected mode of power battery pack;
Fig. 2 is the power battery pack syndeton one execution mode sketch map of the utility model.
Embodiment
Power battery pack syndeton one execution mode of the utility model; Comprise that cell and coupling bonding conductor, series connection are with bonding conductor, electrode terminal cable; The like electricity gate terminal of every m cell is formed a batteries in parallel connection group unit through also the coupling bonding conductor is continuous;
M positive electrode terminal of m cell of a m negative electrode terminal of m cell of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit is corresponding one by one respectively; Link to each other with bonding conductor with m series connection, n batteries in parallel connection group unit is in series;
Draw the total positive pole of a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit, draw the total negative pole of a cable as power battery pack from each negative electrode terminal of m cell of last batteries in parallel connection group unit as power battery pack;
M, n are the positive integer more than or equal to 2.
As preferred embodiment; Can m positive electrode terminal of m cell of a m negative electrode terminal of m cell of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit is corresponding one by one respectively; Link to each other with bonding conductor with m series connection; F batteries in parallel connection group unit is in series, forms a power battery pack unit;
Each power battery pack unit is drawn a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit, draws a cable from each negative electrode terminal of m cell of last batteries in parallel connection group unit;
Cable with each negative electrode terminal of m cell of last batteries in parallel connection group unit of previous power battery pack unit; Corresponding one by one respectively linking to each other of cable with each positive electrode terminal of m cell of last batteries in parallel connection group unit of a back power battery pack unit, p power battery pack unit is in series;
Draw the total positive pole of a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit of first power battery pack unit, draw the total negative pole of a cable as power battery pack from each negative electrode terminal of m cell of last batteries in parallel connection group unit of last power battery pack unit as power battery pack;
F, p are the positive integer more than or equal to 2, n=f * p.
One preferred embodiment is as shown in Figure 2:
The like electricity gate terminal 2 of per three lithium ion single batteries 1 is formed a batteries in parallel connection group unit through also the coupling bonding conductor is continuous;
Three positive electrode terminal of three cells of three negative electrode terminals of three cells of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit are corresponding one by one respectively; Link to each other with bonding conductor with three series connection; Four batteries in parallel connection group unit are in series, form a power battery pack unit;
Each power battery pack unit is drawn a cable 6 respectively from each positive electrode terminal of three cells of first batteries in parallel connection group unit, draws a cable 6 from each negative electrode terminal of three cells of last batteries in parallel connection group unit;
Draw the total positive pole of a cable 6 respectively from each positive electrode terminal of three cells of first batteries in parallel connection group unit of first power battery pack unit as power battery pack; Draw the total negative pole of a cable 6 from each negative electrode terminal of three cells of last batteries in parallel connection group unit of last power battery pack unit as power battery pack
Material, the specification of said cable are identical, cross the electric current of cell of batteries in parallel connection group unit at the two ends of each power battery pack unit with balanced flow better.
Said and coupling bonding conductor and said series connection are with the external packets insulating layer coating 7 of bonding conductor.
Said and coupling bonding conductor and said series connection can be all conducting metals such as copper braid over braid, copper bar with bonding conductor.
The power battery pack syndeton of the utility model; Adopt series, parallel to mix syndeton; M cell formed a batteries in parallel connection group unit; Distinguishing m positive electrode terminal of m cell of a m negative electrode terminal of m cell of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit one by one with m series connection with bonding conductor then, correspondence links to each other; N batteries in parallel connection group unit is in series; Because each cell in the batteries in parallel connection group unit, front and back all links to each other respectively, the resistance like electricity gate terminal of cell and that the coupling bonding conductor exists can not influence the electric current through each cell in the same batteries in parallel connection group unit, thereby this structure can make the equalization of the electric current that flows through each cell; Thereby avoid causing in the long-time running process performance of internal resistance, capacity etc. of cell unbalance, slow down the aging of each cell.
More than through specific embodiment the utility model has been carried out detailed explanation, but these are not the restriction of formation to the utility model.Under the situation that does not break away from the utility model principle, those skilled in the art also can make many distortion and improvement, and these also should be regarded as the protection range of the utility model.
Claims (7)
1. a power battery pack syndeton comprises cell and coupling bonding conductor, series connection with bonding conductor, electrode terminal cable, and the like electricity gate terminal of every m cell is formed a batteries in parallel connection group unit through also the coupling bonding conductor is continuous; It is characterized in that,
M positive electrode terminal of m cell of a m negative electrode terminal of m cell of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit is corresponding one by one respectively; Link to each other with bonding conductor with m series connection, n batteries in parallel connection group unit is in series;
Draw the total positive pole of a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit, draw the total negative pole of a cable as power battery pack from each negative electrode terminal of m cell of last batteries in parallel connection group unit as power battery pack;
M, n are the positive integer more than or equal to 2.
2. power battery pack syndeton according to claim 1 is characterized in that,
M positive electrode terminal of m cell of a m negative electrode terminal of m cell of previous batteries in parallel connection group unit and a back batteries in parallel connection group unit is corresponding one by one respectively; Link to each other with bonding conductor with m series connection; F batteries in parallel connection group unit is in series, forms a power battery pack unit;
Each power battery pack unit is drawn a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit, draws a cable from each negative electrode terminal of m cell of last batteries in parallel connection group unit;
Cable with each negative electrode terminal of m cell of last batteries in parallel connection group unit of previous power battery pack unit; Corresponding one by one respectively linking to each other of cable with each positive electrode terminal of m cell of last batteries in parallel connection group unit of a back power battery pack unit, p power battery pack unit is in series;
Draw the total positive pole of a cable respectively from each positive electrode terminal of m cell of first batteries in parallel connection group unit of first power battery pack unit, draw the total negative pole of a cable as power battery pack from each negative electrode terminal of m cell of last batteries in parallel connection group unit of last power battery pack unit as power battery pack;
F, p are the positive integer more than or equal to 2, n=f * p.
3. power battery pack syndeton according to claim 2 is characterized in that, m=3, f=4, p=2, n=8.
4. according to claim 1,2 or 3 each described power battery pack syndetons, it is characterized in that,
Material, the specification of said cable are identical.
5. according to claim 1,2 or 3 each described power battery pack syndetons, it is characterized in that,
Said and coupling bonding conductor and said series connection are with the external packets insulating layer coating of bonding conductor.
6. according to claim 1,2 or 3 each described power battery pack syndetons, it is characterized in that,
Said cell is a lithium ion battery.
7. according to claim 1,2 or 3 each described power battery pack syndetons, it is characterized in that,
Said and coupling bonding conductor and said series connection are copper braid over braid or copper bar with bonding conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202770953U CN202217719U (en) | 2011-08-02 | 2011-08-02 | Connection structure of power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202770953U CN202217719U (en) | 2011-08-02 | 2011-08-02 | Connection structure of power battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN202217719U true CN202217719U (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202770953U Expired - Lifetime CN202217719U (en) | 2011-08-02 | 2011-08-02 | Connection structure of power battery pack |
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| CN (1) | CN202217719U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842698A (en) * | 2012-06-22 | 2012-12-26 | 深圳巴斯巴科技发展有限公司 | Power battery pack connecting structure |
| JP2014022098A (en) * | 2012-07-13 | 2014-02-03 | Mitsubishi Motors Corp | Battery pack |
| CN103855353A (en) * | 2012-12-05 | 2014-06-11 | 原瑞电池科技股份有限公司 | Current converging structure |
| CN105552286A (en) * | 2015-12-14 | 2016-05-04 | 上海动力储能电池系统工程技术有限公司 | Current sharing structure for high-capacity lithium-ion battery system |
| TWI575842B (en) * | 2015-12-28 | 2017-03-21 | 電能有限公司 | Special connecting cable for a composite battery |
| CN106935779A (en) * | 2015-12-31 | 2017-07-07 | 伍必翔 | The special connection cable of composite battery |
| CN109585927A (en) * | 2017-09-28 | 2019-04-05 | 江苏津谊新能源科技有限公司 | A kind of Li-ion batteries piles |
| CN116632463A (en) * | 2023-07-24 | 2023-08-22 | 中国科学院空天信息创新研究院 | Combined lithium battery power supply system |
-
2011
- 2011-08-02 CN CN2011202770953U patent/CN202217719U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842698A (en) * | 2012-06-22 | 2012-12-26 | 深圳巴斯巴科技发展有限公司 | Power battery pack connecting structure |
| CN102842698B (en) * | 2012-06-22 | 2015-11-25 | 深圳巴斯巴科技发展有限公司 | A kind of connection structure of power battery pack |
| JP2014022098A (en) * | 2012-07-13 | 2014-02-03 | Mitsubishi Motors Corp | Battery pack |
| US9419263B2 (en) | 2012-07-13 | 2016-08-16 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Battery pack |
| CN103855353A (en) * | 2012-12-05 | 2014-06-11 | 原瑞电池科技股份有限公司 | Current converging structure |
| CN105552286A (en) * | 2015-12-14 | 2016-05-04 | 上海动力储能电池系统工程技术有限公司 | Current sharing structure for high-capacity lithium-ion battery system |
| CN105552286B (en) * | 2015-12-14 | 2018-11-23 | 上海动力储能电池系统工程技术有限公司 | A kind of current equalizing structure of high capacity lithium ion battery system |
| TWI575842B (en) * | 2015-12-28 | 2017-03-21 | 電能有限公司 | Special connecting cable for a composite battery |
| CN106935779A (en) * | 2015-12-31 | 2017-07-07 | 伍必翔 | The special connection cable of composite battery |
| CN109585927A (en) * | 2017-09-28 | 2019-04-05 | 江苏津谊新能源科技有限公司 | A kind of Li-ion batteries piles |
| CN116632463A (en) * | 2023-07-24 | 2023-08-22 | 中国科学院空天信息创新研究院 | Combined lithium battery power supply system |
| CN116632463B (en) * | 2023-07-24 | 2023-12-01 | 中国科学院空天信息创新研究院 | Combined lithium battery power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Zhong Xingpaineng Battery Co., Ltd Assignor: Shanghai Pylon Technologies Co., Ltd. Contract record no.: 2013320000249 Denomination of utility model: Power battery pack connecting structure Granted publication date: 20120509 License type: Exclusive License Record date: 20130326 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 201203 Shanghai City, Pudong New Area China Zuchongzhi Road (Shanghai) Free Trade Zone No. 73 Lane 887 Patentee after: Shanghai ZTE energy Polytron Technologies Inc Address before: 201203 Shanghai city Pudong New Area Zuchongzhi Road No. 73 Lane 887 Patentee before: Zhongxing (Shanghai) Pylon Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201203 Pudong New Area, Shanghai, China (Shanghai) free trade trial area, 887 Lane 73, Chong Chong Road. Patentee after: Shanghai PON energy Polytron Technologies Inc Address before: 201203 Pudong New Area, Shanghai, China (Shanghai) free trade trial area, 887 Lane 73, Chong Chong Road. Patentee before: Shanghai ZTE energy Polytron Technologies Inc |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |