CN202330671U - Voltage detecting circuit for battery pack with 10 serial-connected batteries - Google Patents
Voltage detecting circuit for battery pack with 10 serial-connected batteries Download PDFInfo
- Publication number
- CN202330671U CN202330671U CN2011205230800U CN201120523080U CN202330671U CN 202330671 U CN202330671 U CN 202330671U CN 2011205230800 U CN2011205230800 U CN 2011205230800U CN 201120523080 U CN201120523080 U CN 201120523080U CN 202330671 U CN202330671 U CN 202330671U
- Authority
- CN
- China
- Prior art keywords
- battery
- switch
- voltage
- flies
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a voltage detecting circuit for a battery pack with 10 serial-connected batteries. According to the voltage detecting circuit, each single battery in the battery pack with the 10 serial-connected batteries respectively charges a flying capacitor through a switching network and the switching network is switched off after the voltage of the flying capacitor is equal to the voltages of the battery; and the voltage value of each single battery is obtained by measuring the voltage of the flying capacitor. The voltage detecting circuit disclosed by the utility model has the advantages of simple circuit structure and low manufacturing cost.
Description
Affiliated technical field
The utility model relates to a kind of circuit of measuring each monomer battery voltage in the 10 joint series batteries.This circuit flies electric capacity through a switching network to one respectively with each cell in the 10 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 10 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 10 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 connects switch S 7, S2, S8, S3, S9, S4, S10, S5, S11, S6 respectively.The other end of switch S 1, S2, S3, S4, S5, S6 links to each other, and connects switch S 12 and S15.The other end of switch S 7, S8, S9, S10, S11 links to each other, and connects switch S 13 and S14.The other end of switch S 14 and S15 is connected and flies capacitor C and switch S 17.The other end of switch S 12 and S13 is connected the other end and the switch S 16 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 are 10 batteries of series connection; S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17 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 connects switch S 7, S2, S8, S3, S9, S4, S10, S5, S11, S6 respectively.The other end of switch S 1, S2, S3, S4, S5, S6 links to each other, and connects switch S 12 and S15.The other end of switch S 7, S8, S9, S10, S11 links to each other, and connects switch S 13 and S14.The other end of switch S 14 and S15 is connected and flies capacitor C and switch S 17.The other end of switch S 12 and S13 is connected the other end and the switch S 16 that flies capacitor C.The other end of switch S 17 and S16 is respectively positive pole and the negative signal output terminal that flies electric capacity.
When measuring battery Cell1, at first connect switch S7, S1, S14 and S12, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell1 from 1. and 2. measuring.
When measuring battery Cell2, at first connect switch S2, S7, S15 and S13, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell2 from 1. and 2. measuring.
When measuring battery Cell3, at first connect switch S8, S2, S14 and S12, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell3 from 1. and 2. measuring.
When measuring battery Cell4, at first connect switch S3, S8, S15 and S13, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell4 from 1. and 2. measuring.
When measuring battery Cell5, at first connect switch S9, S3, S14 and S12, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell5 from 1. and 2. measuring.
When measuring battery Cell6, at first connect switch S4, S9, S15 and S13, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell6 from 1. and 2. measuring.
When measuring battery Cell7, at first connect switch S10, S4, S14 and S12, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell7 from 1. and 2. measuring.
When measuring battery Cell8, at first connect switch S5, S10, S15 and S13, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell8 from 1. and 2. measuring.
When measuring battery Cell9, at first connect switch S11, S5, S14 and S12, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell9 from 1. and 2. measuring.
When measuring battery Cell10, at first connect switch S6, S11, S15 and S13, 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 S16 and S17, fly capacitance voltage, the i.e. voltage of battery Cell10 from 1. and 2. measuring.
Claims (5)
1. string electric battery tension measuring circuit; It flies electric capacity through a switching network and one respectively with each cell in the 10 string electric battery and carries out voltage measurement; 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 Cell 1, Cell2, Cell3, Cell4, Cell5, Cell6, Cell7, Cell8, Cell9, Cell10 connects switch S 7, S2, S8, S3, S9, S4, S10, S5, S11, S6 respectively.
2. 10 string electric battery tension measuring circuits according to claim 1, it is characterized in that: the other end of switch S 1, S2, S3, S4, S5, S6 links to each other, and connects switch S 12 and S15.
3. 10 string electric battery tension measuring circuits according to claim 1, it is characterized in that: the other end of switch S 7, S8, S9, S10, S11 links to each other, and connects switch S 13 and S14.
4. 10 string electric battery tension measuring circuits according to claim 1 is characterized in that: the other end of switch S 14 and S15 is connected and flies capacitor C and switch S 17.
5. 10 string electric battery tension measuring circuits according to claim 1, it is characterized in that: the other end of switch S 12 and S13 is connected the other end and the switch S 16 that flies capacitor C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205230800U CN202330671U (en) | 2011-12-14 | 2011-12-14 | Voltage detecting circuit for battery pack with 10 serial-connected batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205230800U CN202330671U (en) | 2011-12-14 | 2011-12-14 | Voltage detecting circuit for battery pack with 10 serial-connected batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330671U true CN202330671U (en) | 2012-07-11 |
Family
ID=46442647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205230800U Expired - Fee Related CN202330671U (en) | 2011-12-14 | 2011-12-14 | Voltage detecting circuit for battery pack with 10 serial-connected batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330671U (en) |
-
2011
- 2011-12-14 CN CN2011205230800U patent/CN202330671U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202189131U (en) | Circuit for measuring voltage of 16 cells in serially-connected cell group | |
| CN102163854A (en) | Charge-discharge equalizing circuit of multi-monomer tandem dynamic lithium battery | |
| CN202231461U (en) | Charge-discharge balance control system for power battery pack | |
| CN101795009B (en) | Battery charging device and method thereof | |
| CN103915875A (en) | Lithium battery charging and discharging control system for novel solar street lamp | |
| CN103166263A (en) | 10-string series connection rechargeable battery pack equalization circuit | |
| CN202421463U (en) | Circuit for measuring voltages of 13 serially connected battery packs | |
| CN202471924U (en) | A circuit for measuring the voltage of individual battery in a battery pack with twelve batteries in series with one another | |
| CN201752078U (en) | Charging tube management system of energy transfer way of multi lithium ion battery set | |
| CN202330671U (en) | Voltage detecting circuit for battery pack with 10 serial-connected batteries | |
| CN202548190U (en) | Circuit for simply measuring voltages of each single battery in 16 battery packs | |
| CN203434650U (en) | Battery management device | |
| CN202421470U (en) | Single battery voltage measuring circuit in arbitrary-string battery pack | |
| CN202383268U (en) | Circuit for measuring single battery voltage in battery pack having 14 series-connected batteries | |
| CN202424268U (en) | Equalizing circuit for 6-section serial rechargeable battery pack | |
| CN102832654B (en) | Active equalizer circuit of cell pack | |
| CN103135061A (en) | Voltage measurement circuit for battery pack of 13 batteries in series connection | |
| CN202548181U (en) | Circuit for measuring voltage of single battery in six-battery serially connected group | |
| CN210956904U (en) | Common-inductance energy storage type lithium battery equalization circuit | |
| CN103248081A (en) | Equalizing circuit for rechargeable battery pack comprising 4 batteries connected in series | |
| CN103560554B (en) | Electric quantity balancer for battery pack | |
| CN203660568U (en) | Parallel charging circuit and protection circuit of lead-acid series storage battery group | |
| CN202474926U (en) | A balancing circuit for a charging battery pack with twelve batteries in series with one another | |
| CN103163465A (en) | Voltage measuring circuit for 10-string series connection battery pack | |
| CN202474912U (en) | 14 series-connected charging battery group simple equalization circuit |
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 | ||
| 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: 20120711 Termination date: 20131214 |