CN103166263A - 10-string series connection rechargeable battery pack equalization circuit - Google Patents
10-string series connection rechargeable battery pack equalization circuit Download PDFInfo
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- CN103166263A CN103166263A CN2011104182170A CN201110418217A CN103166263A CN 103166263 A CN103166263 A CN 103166263A CN 2011104182170 A CN2011104182170 A CN 2011104182170A CN 201110418217 A CN201110418217 A CN 201110418217A CN 103166263 A CN103166263 A CN 103166263A
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Abstract
The invention discloses a circuit which equalizes each monomer battery surplus electric quantity in a 10-string series connection rechargeable battery pack. The energy of the circuit is supplied by an entire battery pack formed by connecting 10 rechargeable batteries in series. A certain monomer charging battery in the 10-string series connection rechargeable battery pack is selectively charged through one isolation type switching power source and one switching network, so that the remaining energy in each monomer battery is adjusted.
Description
Affiliated technical field
The present invention relates to a kind of in 10 joint serial connection charge battery pack the circuit of each cell dump energy of active equalization.This circuit is got energy from the whole Battery pack that 10 joint rechargeable batteries are composed in series, by an isolation type switch power and switching network, a certain joint monomer rechargeable batteries in 10 joint serial connection charge battery pack are selectively charged, thereby regulate dump energy in each cell.
Background technology
Rechargeable battery, as lithium battery etc., when series connection is used in groups, owing to being subjected to production technology, the impact of environmental factor, 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, and the charging interval lengthens, and cycle life reduces.At present, in order to overcome this inconsistency, generally adopt the passive equalizing circuit of conductive discharge formula.Sort circuit is a switch in parallel and resistance on each cell, and the mode of by resistance, charging current being shunted when charging improves consistency.There is energy dissipation in this passive equalizing circuit, the shortcoming such as the low and caloric value of balanced efficient is large.
Summary of the invention
The energy dissipation that exists in order to overcome the passive equalizing circuit of existing battery pack, the shortcomings such as the low and caloric value of balanced efficient is large, the invention provides a kind of active equalization circuit, adopt isolation type switch power and switching network, the mode that shifts by energy is come balanced 10 dump energies that save each cell in the serial connection charge battery pack.
The technical solution adopted for the present invention to solve the technical problems: the negative pole connecting valve S1 of battery Cell1 in series battery, the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10 is connecting valve S7, S2, S8, S3, S9, S4, S10, S5, S11, S6 respectively.The other end of switch S 1, S2, S3, S4, S5, S6 is connected, and connecting valve S12 and S15.The other end of switch S 7, S8, S9, S10, S11 is connected, and connecting valve S13 and S14.Switch S 12 is connected the other end and is connected the cathode output end OUT-of isolation type switch power PS with S13, the other end connecting valve S16 of switch S 14 and S15, and the other end of switch S 16 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 Cell10, and negative input IN-connects the negative pole of battery Cell1.
The invention has the beneficial effects as follows in the charging and discharging process, the mode that shifts by energy is carried out electric weight to any joint cell and is replenished.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is schematic diagram of the present invention.
In Fig. 1, Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10 are 10 batteries of series connection.S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16 are switches.PS is 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 pack, from output OUT+ and OUT-output equalizing charge electric current.
Embodiment
In Fig. 1, the negative pole connecting valve S1 of battery Cell1 in series battery, the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10 is connecting valve S7, S2, S8, S3, S9, S4, S10, S5, S11, S6 respectively.The other end of switch S 1, S2, S3, S4, S5, S6 is connected, and connecting valve S12 and S15.The other end of switch S 7, S8, S9, S10, S11 is connected, and connecting valve S13 and S14.Switch S 12 is connected the other end and is connected the cathode output end OUT-of isolation type switch power PS with S13, the other end connecting valve S16 of switch S 14 and S15, and the other end of switch S 16 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 Cell10, and negative input IN-connects the negative pole of battery Cell1.PS is 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 pack, from output OUT+ and OUT-output equalizing charge electric current.
When battery Cell1 is carried out equalizing charge, at first turn on-switch S7, S1, S14 and S12, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell1.
When battery Cell2 is carried out equalizing charge, at first turn on-switch S2, S7, S15 and S13, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell2.
When battery Cell3 is carried out equalizing charge, at first turn on-switch S8, S2, S14 and S12, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell3.
When battery Cell4 is carried out equalizing charge, at first turn on-switch S3, S8, S15 and S13, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell4.
When battery Cell5 is carried out equalizing charge, at first turn on-switch S9, S3, S14 and S12, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell5.
When battery Cell6 is carried out equalizing charge, at first turn on-switch S4, S9, S15 and S13, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell6.
When battery Cell7 is carried out equalizing charge, at first turn on-switch S10, S4, S14 and S12, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell7.
When battery Cell8 is carried out equalizing charge, at first turn on-switch S5, S10, S15 and S13, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell8.
When battery Cell9 is carried out equalizing charge, at first turn on-switch S11, S5, S14 and S12, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell9.
When battery Cell10 is carried out equalizing charge, at first turn on-switch S6, S11, S15 and S13, other switches keep off states, turn on-switch S16 then, isolation type switch power PS carries out equalizing charge to battery Cell10.
Claims (5)
1. the circuit of balanced each cell dump energy in 10 joint serial connection charge battery pack, it is characterized in that: the negative pole connecting valve S1 of battery Cell1 in series battery, the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10 is connecting valve S7, S2, S8, S3, S9, S4, S10, S5, S11, S6 respectively.
According to claim 1 in 10 joint serial connection charge battery pack the circuit of balanced each cell dump energy, it is characterized in that: the other end of switch S 1, S2, S3, S4, S5, S6 is connected, and connecting valve S12 and S15.
According to claim 1 in 10 joint serial connection charge battery pack the circuit of balanced each cell dump energy, it is characterized in that: the other end of switch S 7, S8, S9, S10, S11 is connected, and connecting valve S13 and S14.
According to claim 1 in 10 joint serial connection charge battery pack the circuit of balanced each cell dump energy, it is characterized in that: switch S 12 is connected the other end and is connected the cathode output end OUT-of isolation type switch power PS with S13, the other end connecting valve S16 of switch S 14 and S15, the other end of switch S 16 connects the cathode output end OUT+ of isolation type switch power PS.
According to claim 1 in 10 joint serial connection charge battery pack the circuit of balanced each cell dump energy, it is characterized in that: the electrode input end IN+ of isolation type switch power PS connects the positive pole of battery Cell10, and negative input IN-connects the negative pole of battery Cell1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104182170A CN103166263A (en) | 2011-12-14 | 2011-12-14 | 10-string series connection rechargeable battery pack equalization circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104182170A CN103166263A (en) | 2011-12-14 | 2011-12-14 | 10-string series connection rechargeable battery pack equalization circuit |
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| CN103166263A true CN103166263A (en) | 2013-06-19 |
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| CN2011104182170A Pending CN103166263A (en) | 2011-12-14 | 2011-12-14 | 10-string series connection rechargeable battery pack equalization circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199570A (en) * | 2012-01-06 | 2013-07-10 | 赵恩海 | Equalizing circuit of 14-cell series-connection rechargeable battery pack |
| CN103248079A (en) * | 2012-02-14 | 2013-08-14 | 赵恩海 | Equalization circuit of rechargeable battery pack comprising 12 batteries connected in series |
| CN103248080A (en) * | 2012-02-14 | 2013-08-14 | 赵恩海 | Equalization circuit for rechargeable battery pack comprising 6 batteries connected in series |
| CN113448109A (en) * | 2021-06-29 | 2021-09-28 | 歌尔科技有限公司 | Glasses, glasses case and glasses suit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101017986A (en) * | 2006-12-29 | 2007-08-15 | 哈尔滨工业大学 | Monocase battery voltage balance method and balancer in the charging/discharging process of the dynamic battery group |
| CN101123359A (en) * | 2006-08-10 | 2008-02-13 | 东华能源科技股份有限公司 | A charging circuit without loss balance charging multiple serial batteries |
| CN101431248A (en) * | 2007-11-06 | 2009-05-13 | 比亚迪股份有限公司 | Equalizing charge apparatus and equalizing charge method |
| CN101917047A (en) * | 2010-08-20 | 2010-12-15 | 深圳市科列技术有限公司 | Method and circuit for dynamically equalizing battery management system |
-
2011
- 2011-12-14 CN CN2011104182170A patent/CN103166263A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101123359A (en) * | 2006-08-10 | 2008-02-13 | 东华能源科技股份有限公司 | A charging circuit without loss balance charging multiple serial batteries |
| CN101017986A (en) * | 2006-12-29 | 2007-08-15 | 哈尔滨工业大学 | Monocase battery voltage balance method and balancer in the charging/discharging process of the dynamic battery group |
| CN101431248A (en) * | 2007-11-06 | 2009-05-13 | 比亚迪股份有限公司 | Equalizing charge apparatus and equalizing charge method |
| CN101917047A (en) * | 2010-08-20 | 2010-12-15 | 深圳市科列技术有限公司 | Method and circuit for dynamically equalizing battery management system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199570A (en) * | 2012-01-06 | 2013-07-10 | 赵恩海 | Equalizing circuit of 14-cell series-connection rechargeable battery pack |
| CN103248079A (en) * | 2012-02-14 | 2013-08-14 | 赵恩海 | Equalization circuit of rechargeable battery pack comprising 12 batteries connected in series |
| CN103248080A (en) * | 2012-02-14 | 2013-08-14 | 赵恩海 | Equalization circuit for rechargeable battery pack comprising 6 batteries connected in series |
| CN113448109A (en) * | 2021-06-29 | 2021-09-28 | 歌尔科技有限公司 | Glasses, glasses case and glasses suit |
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Application publication date: 20130619 |