CN202474926U - A balancing circuit for a charging battery pack with twelve batteries in series with one another - Google Patents
A balancing circuit for a charging battery pack with twelve batteries in series with one another Download PDFInfo
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- CN202474926U CN202474926U CN2012200461625U CN201220046162U CN202474926U CN 202474926 U CN202474926 U CN 202474926U CN 2012200461625 U CN2012200461625 U CN 2012200461625U CN 201220046162 U CN201220046162 U CN 201220046162U CN 202474926 U CN202474926 U CN 202474926U
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- isolation type
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Abstract
Provided is a circuit for balancing the remaining capacity of each individual in a charging battery pack with twelve batteries in series with one another. The circuit acquires energy from the charging battery pack with twelve batteries in series with one another and selectively charges one individual charging battery in the serial battery pack via an isolated switching power supply and a switching network so as to regulate the remaining capacity of each individual battery.
Description
Technical field
The utility model relate to a kind of in 12 joint serial connection charge battery pack the circuit of initiatively balanced each cell dump energy.This circuit is got energy from the whole Battery pack that 12 joint rechargeable batteries are composed in series; Through an isolation type switch power and a switching network a certain joint monomer rechargeable battery in the 12 joint serial connection charge battery pack is selectively charged, thereby regulate the dump energy in each cell.
Background technology
Rechargeable battery, like lithium battery etc., when series connection is used in groups, owing to receive production technology, and Effect of Environmental, the dump energy of each cell can not be in full accord.This inconsistency can cause rechargeable battery set shortening discharge time when long-term the use, the charging interval lengthening, and cycle life reduces.At present, in order to overcome this inconsistency, generally adopt the passive equalization methods of conductive discharge formula.This method is switch of parallel connection and a resistance on each cell, and the mode of when charging, through resistance charging current being shunted improves consistency.There is energy dissipation in this passive equalization methods, shortcoming such as the low and caloric value of balanced efficient is big.
Summary of the invention
In order to overcome the energy dissipation that the passive equalization methods of existing battery pack exists; Shortcomings such as the low and caloric value of balanced efficient is big; The utility model provides a kind of active equalizing circuit; Adopt isolation type switch power and switching network, come equilibrium 12 to save the dump energy of each cell in the serial connection charge battery pack through the mode that energy shifts.
The utility model solves the technical scheme that its technical problem adopted: the negative pole of battery Cell1 connects switch S 1 in the series battery, and the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10, Cell11, Cell12 connects switch S 8, S2, S9, S3, S10, S4, S11, S5, S12, S6, S13, S7 respectively.The other end of switch S 1, S2, S3, S4, S5, S6, S7 links to each other, and connects switch S 14 and S17.The other end of switch S 8, S9, S10, S11, S12, S13 links to each other, and connects switch S 15 and S16.The other end of switch S 14 and S15 is connected the cathode output end OUT-of isolation type switch power PS, and the other end of switch S 16 and S17 is connected switch S 18, and the other end of switch S 18 connects the cathode output end OUT+ of isolation type switch power PS.The electrode input end IN+ of isolation type switch power PS connects the positive pole of battery Cell12, and negative input IN-connects the negative pole of battery Cell1.
The beneficial effect of the utility model is in charging and discharge process, through the mode of energy transfer any joint cell is carried out electric weight and replenishes.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the schematic diagram of the utility model.
Among Fig. 1, Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10, Cell11, Cell12 are 12 joint rechargeable batteries of series connection.S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17, S18 are switches.PS is an isolation type switch power, and IN+ is the electrode input end of PS, and IN-is the negative input of PS, and OUT+ is the cathode output end of PS, and OUT-is the cathode output end of PS.Input IN+ and IN-and output OUT+ and OUT-isolate fully.PS absorbs energy from whole battery group, from output OUT+ and OUT-output equalizing charge electric current.
Embodiment
Among Fig. 1; The negative pole of battery Cell1 connects switch S 1 in the series battery, and the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10, Cell11, Cell12 connects switch S 8, S2, S9, S3, S10, S4, S11, S5, S12, S6, S13, S7 respectively.The other end of switch S 1, S2, S3, S4, S5, S6, S7 links to each other, and connects switch S 14 and S17.The other end of switch S 8, S9, S10, S11, S12, S13 links to each other, and connects switch S 15 and S16.The other end of switch S 14 and S15 is connected the cathode output end OUT-of isolation type switch power PS, and the other end of switch S 16 and S17 is connected switch S 18, and the other end of switch S 18 connects the cathode output end OUT+ of isolation type switch power PS.The electrode input end IN+ of isolation type switch power PS connects the positive pole of battery Cell12, and negative input IN-connects the negative pole of battery Cell1.PS is an isolation type switch power, and its input IN+ and IN-and output OUT+ and OUT-isolate fully.Isolation type switch power PS absorbs energy from whole battery group, from output OUT+ and OUT-output equalizing charge electric current.
When battery Cell1 is carried out equalizing charge, connect switch S8, S1, S16, S14 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell1.
When battery Cell2 is carried out equalizing charge, connect switch S2, S8, S17, S15 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell2.
When battery Cell3 is carried out equalizing charge, connect switch S9, S2, S16, S14 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell3.
When battery Cell4 is carried out equalizing charge, connect switch S3, S9, S17, S15 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell4.
When battery Cell5 is carried out equalizing charge, connect switch S10, S3, S16, S14 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell5.
When battery Cell6 is carried out equalizing charge, connect switch S4, S10, S17, S15 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell6.
When battery Cell7 is carried out equalizing charge, connect switch S11, S4, S16, S14 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell7.
When battery Cell8 is carried out equalizing charge, connect switch S5, S11, S17, S15 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell8.
When battery Cell9 is carried out equalizing charge, connect switch S12, S5, S16, S14 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell9.
When battery Cell10 is carried out equalizing charge, connect switch S6, S12, S17, S15 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell10.
When battery Cell11 is carried out equalizing charge, connect switch S13, S6, S16, S14 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell11.
When battery Cell12 is carried out equalizing charge, connect switch S7, S13, S17, S15 and S18, other switches keep off-state, and isolation type switch power PS carries out equalizing charge to battery Cell12.
Claims (5)
1. string rechargeable battery set equalizing circuit; It is characterized in that: the negative pole of battery Cell1 connects switch S 1 in the series battery, and the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10, Cell11, Cell12 connects switch S 8, S2, S9, S3, S10, S4, S11, S5, S12, S6, S13, S7 respectively.
2. 12 string rechargeable battery set equalizing circuits according to claim 1, it is characterized in that: the other end of switch S 1, S2, S3, S4, S5, S6, S7 links to each other, and connects switch S 14 and S17.
3. 12 string rechargeable battery set equalizing circuits according to claim 1, it is characterized in that: the other end of switch S 8, S9, S10, S11, S12, S13 links to each other, and connects switch S 15 and S16.
4. 12 string rechargeable battery set equalizing circuits according to claim 1; It is characterized in that: the other end of switch S 14 and S15 is connected the cathode output end OUT-of isolation type switch power PS; The other end of switch S 16 and S17 is connected switch S 18, and the other end of switch S 18 connects the cathode output end OUT+ of isolation type switch power PS.
5. 12 string rechargeable battery set equalizing circuits according to claim 1, it is characterized in that: the electrode input end IN+ of isolation type switch power PS connects the positive pole of battery Cell12, and negative input IN-connects the negative pole of battery Cell1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200461625U CN202474926U (en) | 2012-02-14 | 2012-02-14 | A balancing circuit for a charging battery pack with twelve batteries in series with one another |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200461625U CN202474926U (en) | 2012-02-14 | 2012-02-14 | A balancing circuit for a charging battery pack with twelve batteries in series with one another |
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| Publication Number | Publication Date |
|---|---|
| CN202474926U true CN202474926U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200461625U Expired - Fee Related CN202474926U (en) | 2012-02-14 | 2012-02-14 | A balancing circuit for a charging battery pack with twelve batteries in series with one another |
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| CN (1) | CN202474926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248079A (en) * | 2012-02-14 | 2013-08-14 | 赵恩海 | Equalization circuit of rechargeable battery pack comprising 12 batteries connected in series |
-
2012
- 2012-02-14 CN CN2012200461625U patent/CN202474926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248079A (en) * | 2012-02-14 | 2013-08-14 | 赵恩海 | Equalization circuit of rechargeable battery pack comprising 12 batteries connected in series |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhao Enhai Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhao Enhai Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20140214 |