CN202421463U - Circuit for measuring voltages of 13 serially connected battery packs - Google Patents
Circuit for measuring voltages of 13 serially connected battery packs Download PDFInfo
- Publication number
- CN202421463U CN202421463U CN2011204856215U CN201120485621U CN202421463U CN 202421463 U CN202421463 U CN 202421463U CN 2011204856215 U CN2011204856215 U CN 2011204856215U CN 201120485621 U CN201120485621 U CN 201120485621U CN 202421463 U CN202421463 U CN 202421463U
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- battery
- voltage
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- flies
- capacitor
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Abstract
The utility model discloses a circuit for measuring voltages of monomer batteries in 13 serially connected battery packs. All monomer batteries in the 13 serially connected battery packs are respectively used for charging a flying capacitor through a switching network, and after the voltage of the flying capacitor is equal to the voltage of each battery, the switching network is switched off, and then the voltage value of each monomer battery is obtained through measuring the voltage of the flying capacitor.
Description
Affiliated technical field
The utility model relates to a kind of circuit of measuring each monomer battery voltage in the 13 joint series batteries.This circuit flies electric capacity through a switching network to one respectively with each cell in the 13 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 13 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 13 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 8 in the series battery, and the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10, Cell11, Cell12, Cell13 connects switch S 1, S9, S2, S10, S3, S11, S4, S12, S5, S13, S6, S14, S7 respectively.The other end of switch S 1, S2, S3, S4, S5, S6, S7 links to each other, and connects switch S 15 and S18.The other end of switch S 8, S9, S10, S11, S12, S13, S14 links to each other, and connects switch S 16 and S17.The other end of switch S 17 and S18 is connected and flies capacitor C and switch S 20.The other end of switch S 15 and S16 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, Cell13 are 13 batteries of series connection; S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20 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 8 in the series battery, and the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10, Cell11, Cell12, Cell13 connects switch S 1, S9, S2, S10, S3, S11, S4, S12, S5, S13, S6, S14, S7 respectively.The other end of switch S 1, S2, S3, S4, S5, S6, S7 links to each other, and connects switch S 15 and S18.The other end of switch S 8, S9, S10, S11, S12, S13, S14 links to each other, and connects switch S 16 and S17.The other end of switch S 17 and S18 is connected and flies capacitor C and switch S 20.The other end of switch S 15 and S16 is connected the other end and the switch S 19 that flies capacitor C.The other end of switch S 20 and S19 is respectively positive pole and the negative signal output terminal that flies electric capacity.
When measuring battery Cell1, at first connect switch S1, S8, S18 and S16, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell1 from 1. and 2. measuring.
When measuring battery Cell2, at first connect switch S9, S1, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell2 from 1. and 2. measuring.
When measuring battery Cell3, at first connect switch S2, S9, S18 and S16, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell3 from 1. and 2. measuring.
When measuring battery Cell4, at first connect switch S10, S2, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell4 from 1. and 2. measuring.
When measuring battery Cell5, at first connect switch S3, S10, S18 and S16, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell5 from 1. and 2. measuring.
When measuring battery Cell6, at first connect switch S11, S3, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell6 from 1. and 2. measuring.
When measuring battery Cell7, at first connect switch S4, S11, S18 and S16, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell7 from 1. and 2. measuring.
When measuring battery Cell8, at first connect switch S12, S4, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell8 from 1. and 2. measuring.
When measuring battery Cell9, at first connect switch S5, S12, S18 and S16, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell9 from 1. and 2. measuring.
When measuring battery Cell10, at first connect switch S13, S5, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell10 from 1. and 2. measuring.
When measuring battery Cell11, at first connect switch S6, S13, S18 and S16, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell11 from 1. and 2. measuring.
When measuring battery Cell12, at first connect switch S14, S6, 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.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell12 from 1. and 2. measuring.
When measuring battery Cell13, at first connect switch S7, S14, S18 and S16, other switches keep off state, and battery Cell13 gives and flies the capacitor C charging, and the voltage that flies capacitor C is equated with battery Cell13.Turn-off all switches then, the voltage that flies capacitor C remains unchanged.At last, connect switch S19 and S20, fly capacitance voltage, the i.e. voltage of battery Cell13 from 1. and 2. measuring.
Claims (1)
1. string electric battery tension measuring circuit; It is characterized in that: the negative pole of battery Cell1 connects switch S 8 in the series battery, and the positive pole of battery Cell1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10, Cell11, Cell12, Cell13 connects switch S 1, S9, S2, S10, S3, S11, S4, S12, S5, S13, S6, S14, S7 respectively; The other end of switch S 1, S2, S3, S4, S5, S6, S7 links to each other, and connects switch S 15 and S18; The other end of switch S 8, S9, S10, S11, S12, S13, S14 links to each other, and connects switch S 16 and S17; The other end of switch S 17 and S18 is connected and flies capacitor C and switch S 20; The other end of switch S 15 and S16 is connected the other end and the switch S 19 that flies capacitor C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204856215U CN202421463U (en) | 2011-11-30 | 2011-11-30 | Circuit for measuring voltages of 13 serially connected battery packs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204856215U CN202421463U (en) | 2011-11-30 | 2011-11-30 | Circuit for measuring voltages of 13 serially connected battery packs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421463U true CN202421463U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204856215U Expired - Fee Related CN202421463U (en) | 2011-11-30 | 2011-11-30 | Circuit for measuring voltages of 13 serially connected battery packs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135061A (en) * | 2011-12-02 | 2013-06-05 | 赵恩海 | Voltage measurement circuit for battery pack of 13 batteries in series connection |
-
2011
- 2011-11-30 CN CN2011204856215U patent/CN202421463U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135061A (en) * | 2011-12-02 | 2013-06-05 | 赵恩海 | Voltage measurement circuit for battery pack of 13 batteries in series connection |
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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 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20131130 |