CN105576769B - A kind of device carrying out independent-lifting voltage adjusting to series-connected cell monomer - Google Patents
A kind of device carrying out independent-lifting voltage adjusting to series-connected cell monomer Download PDFInfo
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- CN105576769B CN105576769B CN201610106072.3A CN201610106072A CN105576769B CN 105576769 B CN105576769 B CN 105576769B CN 201610106072 A CN201610106072 A CN 201610106072A CN 105576769 B CN105576769 B CN 105576769B
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- Prior art keywords
- battery
- cell
- digital
- signal converter
- analog
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of devices carrying out independent-lifting voltage adjusting to series-connected cell monomer, including：Charhing unit, discharge cell, charge and discharge regulating mechanism, battery pack, for measure cell voltage change and send out the voltage source of measured value, galvanometer, several potentiometers, analog and digital signal converter, digital-to-analog signal converter, several relays, for sending out regulating command to digital-to-analog signal converter and being sent to the logic controller of relay and voltage source with analog signal.Through the above way, the device provided by the invention that independent-lifting voltage adjusting is carried out to series-connected cell monomer, the active carried out for the otherness generated in charge and discharge process to battery in battery pack monomer is adjusted, and battery cell charged state is made arbitrarily can be adjusted and be set by independent.
Description
Technical field
The present invention relates to a kind of voltage regulating devices, and independent-lifting voltage tune is carried out more particularly to series-connected cell monomer
The device of section.
Background technology
The higher battery pack of voltage can be obtained by series-connected cell monomer.When carrying out charge and discharge to this battery pack, stream
Electric current through each battery cell is consistent, due to the difference of capacity between battery cell and internal resistance, the voltage meeting of battery cell
Difference is generated, each monomer charged state in battery pack is caused to be unable to reach unanimously, to generate battery cell super-charge super-discharge, or
Battery capacity is drastically reduced.
Invention content
The present invention solves the technical problem of how to provide it is a kind of to battery in battery pack monomer in charge and discharge process
In the active that is carried out for the otherness generated adjust, make battery cell charged state can be by the independent electricity for arbitrarily adjusting and setting
Press regulating device.
In order to solve the above technical problems, one aspect of the present invention is：It provides a kind of to series-connected cell monomer
The device of independent-lifting voltage adjusting is carried out, including：Charhing unit, charge and discharge regulating mechanism, battery pack, is used for discharge cell
It measures cell voltage and changes and send out the voltage source of measured value, galvanometer, several potentiometers, analog and digital signal converter, number
Word analog signal converter, several relays and for sending out regulating command to digital-to-analog signal converter and with analog signal
It is sent to the logic controller of relay and voltage source.
Wherein, circuit is constituted between the voltage source and galvanometer and battery pack, the voltage source is also believed with digital simulation
It number is electrically connected successively between converter, logic controller, analog and digital signal converter, the measured value of the potentiometer passes through
Analog and digital signal converter is converted into digital signal and is input to logic controller.
Include several battery cells in a preferred embodiment, in the battery pack.
In a preferred embodiment, the quantity of the potentiometer is corresponding with battery cell, and each voltage measures
Measure the numerical value of a battery cell.
In a preferred embodiment, the quantity of the relay is corresponding with battery cell.
Include switch in a preferred embodiment, in each relay, each switch independent control is single
The charge and discharge of battery cell are to realize to single battery monomer charged state.
The beneficial effects of the invention are as follows：To battery in battery pack monomer in charge and discharge process for generate otherness into
Capable active is adjusted, and battery cell charged state is made arbitrarily can be adjusted and be set by independent.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the structure for one specific embodiment of device that the present invention carries out series-connected cell monomer independent-lifting voltage adjusting
Schematic diagram.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
Referring to Fig. 1, providing in one particular embodiment of the present invention a kind of to the independent liter of series-connected cell monomer progress
The device that voltage is adjusted drops, and the device that independent-lifting voltage adjusting is carried out to series-connected cell monomer includes：Charhing unit,
Discharge cell, battery pack, for measuring cell voltage changes and sends out the voltage source of measured value, electric current charge and discharge regulating mechanism
Meter, several potentiometers, analog and digital signal converter, digital-to-analog signal converter, several relays and for send out adjust
Order to digital-to-analog signal converter and be sent to analog signal the logic controller of relay and voltage source.
Wherein, circuit is constituted between the voltage source and galvanometer and battery pack, the voltage source is also believed with digital simulation
It number is electrically connected successively between converter, logic controller, analog and digital signal converter, the measured value of the potentiometer passes through
Analog and digital signal converter is converted into digital signal and is input to logic controller.
Include several battery cells in the battery pack.
The quantity of the potentiometer is corresponding with battery cell, and each potentiometer measures the number of a battery cell
Value.The quantity of the relay is corresponding with battery cell.Include switch in each relay, each switch is independent
The charge and discharge of single battery monomer are controlled to realize to single battery monomer charged state.
In a specific embodiment, the device component part of independent-lifting voltage adjusting is carried out to series-connected cell monomer
For：Charhing unit, discharge cell, charge and discharge regulating mechanism, galvanometer, potentiometer, logic controller, analog and digital signal conversion
Device, digital-to-analog signal converter, relay.
Device operation principle：In charge and discharge process, to unified as defined in the voltage of battery cell logically controller
Time point measures in real time.Measured value is converted into digital signal by analog and digital signal converter and is input to logic controller
In.By calculating, controller sends out regulating command to digital-to-analog signal converter, is then sent to relay with analog signal
And voltage source.Relay and voltage source carry out switch control and voltage adjusting according to the order respectively obtained simultaneously.Relay
Whether switch control can be charged or discharged with independent control single battery monomer, to realize to single battery monomer charged state
Separately adjustable and setting.
Therefore, the present invention has the following advantages：
（1）The active carried out for the otherness generated in charge and discharge process to battery in battery pack monomer is adjusted, and is made
Battery cell charged state arbitrarily can be adjusted and be set by independent；
（2）The charged state that each monomer can be accurately set during being measured to battery pack, greatly improves electricity
The measurement accuracy of pond group；
（3）It can accomplish that 100% expires and fills simultaneously by accurately adjusting charged state in the charging process to battery pack
The possibility overcharged is excluded completely；This to improve battery pack energy-storage property, the service life extend and security control have it is conclusive
Effect；
（4）It can accomplish to be substantially discharged while complete by accurately adjusting charged state in the discharge process to battery pack
Excluded the possibility put entirely.This to be fully utilized battery pack energy, the service life extend and security control have conclusive work
With.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (1)
1. a kind of device carrying out independent-lifting voltage adjusting to series-connected cell monomer, which is characterized in that including：Charhing unit,
Discharge cell, charge and discharge regulating mechanism, battery pack, it is several for measure cell voltage change and send out the potentiometer of measured value,
Voltage source, galvanometer, analog and digital signal converter, digital-to-analog signal converter, several relays and for send out adjust
Order to digital-to-analog signal converter and be sent to analog signal the logic controller of relay and voltage source；Wherein, institute
State and constitute circuit between voltage source and galvanometer and battery pack, the voltage source also with digital-to-analog signal converter, logic control
It is electrically connected successively between device processed, analog and digital signal converter, the measured value of the potentiometer passes through analog and digital signal and turns
Parallel operation is converted into digital signal and is input to logic controller, includes several battery cells, the voltage in the battery pack
The quantity of meter is corresponding with battery cell, and each potentiometer measures the numerical value of a battery cell, the number of the relay
Amount is corresponding with battery cell, includes switch in each relay, each to switch independent control single battery monomer
Charge and discharge to realize control to single battery monomer charged state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610106072.3A CN105576769B (en) | 2016-02-26 | 2016-02-26 | A kind of device carrying out independent-lifting voltage adjusting to series-connected cell monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610106072.3A CN105576769B (en) | 2016-02-26 | 2016-02-26 | A kind of device carrying out independent-lifting voltage adjusting to series-connected cell monomer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105576769A CN105576769A (en) | 2016-05-11 |
| CN105576769B true CN105576769B (en) | 2018-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610106072.3A Expired - Fee Related CN105576769B (en) | 2016-02-26 | 2016-02-26 | A kind of device carrying out independent-lifting voltage adjusting to series-connected cell monomer |
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| CN (1) | CN105576769B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114966514B (en) * | 2022-07-28 | 2022-11-01 | 武汉海亿新能源科技有限公司 | Single-chip voltage signal generator of fuel cell and control method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283241A (en) * | 2013-07-05 | 2015-01-14 | 上海中聚佳华电池科技有限公司 | Battery charging and discharging device and method |
| CN103501033B (en) * | 2013-10-12 | 2015-12-02 | 武汉理工大学 | Based on battery balanced control method and the system of maximum average isostatic electric current |
| CN104348234B (en) * | 2014-11-21 | 2018-02-27 | 南京国臣直流配电科技有限公司 | A kind of battery management system with active equalization system |
| CN205489651U (en) * | 2016-02-26 | 2016-08-17 | 苏州碧欧新能源科技有限公司 | To series -connected cell monomer go on independently going up and down voltage control's device |
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2016
- 2016-02-26 CN CN201610106072.3A patent/CN105576769B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN105576769A (en) | 2016-05-11 |
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