CN202471924U - A circuit for measuring the voltage of individual battery in a battery pack with twelve batteries in series with one another - Google Patents
A circuit for measuring the voltage of individual battery in a battery pack with twelve batteries in series with one another Download PDFInfo
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- CN202471924U CN202471924U CN2012200461767U CN201220046176U CN202471924U CN 202471924 U CN202471924 U CN 202471924U CN 2012200461767 U CN2012200461767 U CN 2012200461767U CN 201220046176 U CN201220046176 U CN 201220046176U CN 202471924 U CN202471924 U CN 202471924U
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Abstract
Provided is a circuit for measuring the voltage of individual battery in a battery pack with twelve batteries in series with one another. In the circuit, each individual of the twelve serial batteries in the battery pack respectively charges a flying capacitor via a switching network. The switching network is switched off when the voltage of the flying capacitor is equal to that of the battery, and then the voltage of each individual battery is obtained by measuring the voltage of the flying capacitor.
Description
Technical field
The utility model relates to a kind of circuit of measuring each monomer battery voltage in the 12 joint series batteries.This circuit flies electric capacity through a switching network to one respectively with each cell in the 12 string electric battery and charges, and after flying capacitance voltage and cell voltage equates, the cut-off switch network flies capacitance voltage through measurement then and obtains each monomer battery voltage value.
Background technology
Rechargeable battery like lithium battery etc., when series connection is used in groups, need be done monitoring to each monomer battery voltage.For a large amount of series connected battery groups, for example 12 joint series connected battery groups generally adopt special IC perhaps with flying capacitance measurement.Though special IC is easy to use, cost is than higher.Traditional capacitance measurement method that flies needs a large amount of switches, also has the higher shortcoming of cost.
Summary of the invention
In order to overcome the existing high shortcoming of cost that each monomer battery voltage circuit of electric battery exists of measuring, the utility model provides a kind of improved capacitance measurement circuit that flies, and is used for measuring each monomer battery voltage in the 12 joint series connected battery groups.
The utility model solves the technical scheme that its technical matters 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 and flies capacitor C and switch S 18.The other end of switch S 16 and S17 is connected the other end and the switch S 19 that flies capacitor C.
The beneficial effect of the utility model is that circuit structure is simple, cheap.
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 batteries of series connection; S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19 are switches; C flies electric capacity, 1. flies the capacitance cathode signal output part, 2. flies electric capacity negative signal output terminal.
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 and flies capacitor C and switch S 18.The other end of switch S 16 and S17 is connected the other end and the switch S 19 that flies capacitor C.The other end of switch S 19 and S18 is respectively positive pole and the negative signal output terminal that flies electric capacity.
When measuring battery Cell1, at first connect switch S8, S1, S16 and S14, other switches keep off-state, and battery Cell1 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell1.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell1 from 1. and 2. measuring.
When measuring battery Cell2, at first connect switch S2, S8, S17 and S15, other switches keep off-state, and battery Cell2 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell2.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell2 from 1. and 2. measuring.
When measuring battery Cell3, at first connect switch S9, S2, S16 and S14, other switches keep off-state, and battery Cell3 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell3.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell3 from 1. and 2. measuring.
When measuring battery Cell4, at first connect switch S3, S9, S17 and S15, other switches keep off-state, and battery Cell4 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell4.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell4 from 1. and 2. measuring.
When measuring battery Cell5, at first connect switch S10, S3, S16 and S14, other switches keep off-state, and battery Cell5 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell5.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell5 from 1. and 2. measuring.
When measuring battery Cell6, at first connect switch S4, S10, S17 and S15, other switches keep off-state, and battery Cell6 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell6.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell6 from 1. and 2. measuring.
When measuring battery Cell7, at first connect switch S11, S4, S16 and S14, other switches keep off-state, and battery Cell7 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell7.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell7 from 1. and 2. measuring.
When measuring battery Cell8, at first connect switch S5, S11, S17 and S15, other switches keep off-state, and battery Cell8 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell8.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell8 from 1. and 2. measuring.
When measuring battery Cell9, at first connect switch S12, S5, S16 and S14, other switches keep off-state, and battery Cell9 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell9.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell9 from 1. and 2. measuring.
When measuring battery Cell10, at first connect switch S6, S12, S17 and S15, other switches keep off-state, and battery Cell10 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell10.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell10 from 1. and 2. measuring.
When measuring battery Cell11, at first connect switch S13, S6, S16 and S14, other switches keep off-state, and battery Cell11 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell11.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell11 from 1. and 2. measuring.
When measuring battery Cell12, at first connect switch S7, S13, S17 and S15, other switches keep off-state, and battery Cell12 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell12.Break off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S18, fly capacitance voltage, the i.e. voltage of battery Cell12 from 1. and 2. measuring.
Claims (5)
- One kind 12 the string electric battery in monomer battery voltage measurement 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. monomer battery voltage measurement circuit in the 12 string electric battery 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. monomer battery voltage measurement circuit in the 12 string electric battery 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. monomer battery voltage measurement circuit in the 12 string electric battery according to claim 1, it is characterized in that: the other end of switch S 14 and S15 is connected and flies capacitor C and switch S 18.
- 5. monomer battery voltage measurement circuit in the 12 string electric battery according to claim 1, it is characterized in that: the other end of switch S 16 and S17 is connected the other end and the switch S 19 that flies capacitor C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200461767U CN202471924U (en) | 2012-02-14 | 2012-02-14 | A circuit for measuring the voltage of individual battery in a battery pack with twelve batteries in series with one another |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200461767U CN202471924U (en) | 2012-02-14 | 2012-02-14 | A circuit for measuring the voltage of individual battery in a battery pack with twelve batteries in series with one another |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471924U true CN202471924U (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200461767U Expired - Fee Related CN202471924U (en) | 2012-02-14 | 2012-02-14 | A circuit for measuring the voltage of individual battery in a battery pack with twelve batteries in series with one another |
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| CN (1) | CN202471924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245916A (en) * | 2012-02-14 | 2013-08-14 | 赵恩海 | Circuit for measuring voltage of single battery in battery pack comprising 12 batteries connected in series |
-
2012
- 2012-02-14 CN CN2012200461767U patent/CN202471924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245916A (en) * | 2012-02-14 | 2013-08-14 | 赵恩海 | Circuit for measuring voltage of single battery in 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 |