CN103078376B - The current-limiting method of high power battery testing equipment constant voltage charge - Google Patents
The current-limiting method of high power battery testing equipment constant voltage charge Download PDFInfo
- Publication number
- CN103078376B CN103078376B CN201310009470.XA CN201310009470A CN103078376B CN 103078376 B CN103078376 B CN 103078376B CN 201310009470 A CN201310009470 A CN 201310009470A CN 103078376 B CN103078376 B CN 103078376B
- Authority
- CN
- China
- Prior art keywords
- testing equipment
- high power
- battery testing
- current
- power battery
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of current-limiting method of high power battery testing equipment constant voltage charge; high power battery testing equipment is when constant voltage charge; followed by the reduction of loop total current by software control electric current DA and reduce, the DA value of output meets N × Viref-I0 & gt; The condition of △ I, make to there is a small-power module in circuit and be in constant voltage charge, remaining small-power module is in the state of constant current charge.
Description
Technical field
The present invention relates to battery detection equipment charging current limiter method field, be specially a kind of current-limiting method of high power battery testing equipment constant voltage charge.
Background technology
General high power battery testing equipment is all composed in parallel by multiple small-power output module, high power battery testing equipment is when constant voltage charge, constant current loop in usual small-power module not control loop electric current exports, the DA of constant current loop is given is in maximum always, and by constant voltage loop control loop, according to constant voltage DA, output voltage is remained unchanged.Because current loop is inoperative, so the electric current of small-power module is uncontrolled, the electric current that a small-power module may be caused to pass through is very large, the situation that the electric current that passes through of small-power module is very little, and the drawback of this method has 2 points:
1) high power battery testing equipment parallel branch not current-sharing in the process of constant voltage charge;
2), under multiple small-power module is operated in the effect of constant voltage loop simultaneously, improve the difficulty of debugging.
Summary of the invention
The object of the invention is to provide a kind of current-limiting method of high power battery testing equipment constant voltage charge, to solve the problem that prior art exists parallel branch not current-sharing when high power battery testing equipment constant voltage charge.
In order to achieve the above object, the technical solution adopted in the present invention is:
The current-limiting method of high power battery testing equipment constant voltage charge, be applied to the high power battery testing equipment be made up of the parallel connection of multichannel small-power output module, it is characterized in that: adopt constant current loop and constant voltage loop, by constant current loop and the acting in conjunction of constant voltage loop in described high power battery testing equipment, when high power battery testing equipment constant voltage charge, electric current in high power battery testing equipment constantly declines, the electric current DA of the loop of constant current simultaneously also reduces accordingly, make in high power battery testing equipment, to there is a small-power module and be in constant voltage charge output, other small-power module is in constant current charge and exports.
The current-limiting method of described high power battery testing equipment constant voltage charge, it is characterized in that: during constant voltage charge, the electric current of high power battery testing equipment constantly reduces, the given corresponding reduction of electric current DA value of high power battery testing equipment middle low power module constant current loop, and meet △ Imin<N × Viref-I0< △ Imax, in formula, N is small-power output module quantity in parallel, Viref is the magnitude of voltage that the electric current DA of small-power module constant current loop is corresponding, I0 is total current in high power battery testing equipment, △ Imin is 200mA, △ Imax is 1A, make during high power battery testing equipment constant voltage charge, to remain that a small-power module is in constant voltage charge output state, other small-power modules are in constant current charge state.
The inventive method is simple, realization is convenient, automatically regulates electric current, decrease the difficulty of circuit debugging by software algorithm.
Accompanying drawing explanation
Fig. 1 is the simple and easy equivalent circuit diagram of high power battery testing equipment of the present invention.
Fig. 2 is the simple and easy equivalent circuit diagram of small-power module of the present invention.
Embodiment
The current-limiting method of high power battery testing equipment constant voltage charge, be applied to the high power battery testing equipment be made up of the parallel connection of multichannel small-power output module, adopt constant current loop and constant voltage loop, by constant current loop and the acting in conjunction of constant voltage loop in high power battery testing equipment, when high power battery testing equipment constant voltage charge, electric current in high power battery testing equipment constantly declines, the electric current DA of the loop of constant current simultaneously also reduces accordingly, make in high power battery testing equipment, to there is a small-power module and be in constant voltage charge output, other small-power module is in constant current charge and exports.
During constant voltage charge, the electric current of high power battery testing equipment constantly reduces, the given corresponding reduction of electric current DA value of high power battery testing equipment middle low power module constant current loop, and meet △ Imin<N × Viref-I0< △ Imax, in formula, N is small-power output module quantity in parallel, Viref is the magnitude of voltage that the electric current DA of small-power module constant current loop is corresponding, I0 is total current in high power battery testing equipment, △ Imin is 200mA, △ Imax is 1A, make during high power battery testing equipment constant voltage charge, to remain that a small-power module is in constant voltage charge output state, other small-power modules are in constant current charge state.
As shown in Figure 1.High power battery testing equipment includes the small-power output module of N number of parallel connection, and small-power module output current is controlled by MCU.As shown in Figure 2, U1 is constant current charging loop amplifier, U2 is constant voltage charge loop amplifier, R10 is current sampling resistor, during constant voltage charge, the sampled current value of each small-power parallel port feeds back in MCU, MCU is through the computing of software, make corresponding electric current DA given, when electric current reduces, the then given corresponding reduction of electric current DA, electric current DA given demand fulfillment △ Imin<N × Viref-I0< △ Imax, in formula, N is module number in parallel, Viref is DA magnitude of voltage, I0 is loop total current, △ Imin is 200mA, △ Imax is 1A.
Claims (1)
1. the current-limiting method of high power battery testing equipment constant voltage charge, be applied to the high power battery testing equipment be made up of the parallel connection of multichannel small-power output module, it is characterized in that: adopt constant current loop and constant voltage loop, by constant current loop and the acting in conjunction of constant voltage loop in described high power battery testing equipment, when high power battery testing equipment constant voltage charge, electric current in high power battery testing equipment constantly declines, the electric current D/A of the loop of constant current simultaneously also reduces accordingly, make in high power battery testing equipment, to there is a small-power module and be in constant voltage charge output, other small-power module is in constant current charge and exports,
The current-limiting method of described high power battery testing equipment constant voltage charge is: during constant voltage charge, the electric current of high power battery testing equipment constantly reduces, the given corresponding reduction of electric current D/A value of high power battery testing equipment middle low power module constant current loop, and meet △ Imin<N × Viref-I0< △ Imax, in formula, N is small-power output module quantity in parallel, Viref is the magnitude of voltage that the electric current D/A of small-power module constant current loop is corresponding, I0 is total current in high power battery testing equipment, △ Imin is 200mA, △ Imax is 1A, make during high power battery testing equipment constant voltage charge, to remain that a small-power module is in constant voltage charge output state, other small-power modules are in constant current charge state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009470.XA CN103078376B (en) | 2013-01-10 | 2013-01-10 | The current-limiting method of high power battery testing equipment constant voltage charge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009470.XA CN103078376B (en) | 2013-01-10 | 2013-01-10 | The current-limiting method of high power battery testing equipment constant voltage charge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103078376A CN103078376A (en) | 2013-05-01 |
| CN103078376B true CN103078376B (en) | 2016-03-02 |
Family
ID=48154820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009470.XA Expired - Fee Related CN103078376B (en) | 2013-01-10 | 2013-01-10 | The current-limiting method of high power battery testing equipment constant voltage charge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103078376B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006073101A1 (en) * | 2005-01-06 | 2006-07-13 | Nec Corporation | Mobile telephone terminal charging control device and charging control method |
| CN101699307A (en) * | 2009-10-23 | 2010-04-28 | 广州蓝奇电子实业有限公司 | Modularized powered cell detection device |
| CN102290705A (en) * | 2011-06-23 | 2011-12-21 | 哈尔滨工业大学 | High-reliability constant voltage mode semiconductor laser driver with continuously adjustable output light power |
| CN202374186U (en) * | 2011-08-25 | 2012-08-08 | 华南理工大学 | Multi-module parallel power supply device based on cooperative control |
-
2013
- 2013-01-10 CN CN201310009470.XA patent/CN103078376B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006073101A1 (en) * | 2005-01-06 | 2006-07-13 | Nec Corporation | Mobile telephone terminal charging control device and charging control method |
| CN101699307A (en) * | 2009-10-23 | 2010-04-28 | 广州蓝奇电子实业有限公司 | Modularized powered cell detection device |
| CN102290705A (en) * | 2011-06-23 | 2011-12-21 | 哈尔滨工业大学 | High-reliability constant voltage mode semiconductor laser driver with continuously adjustable output light power |
| CN202374186U (en) * | 2011-08-25 | 2012-08-08 | 华南理工大学 | Multi-module parallel power supply device based on cooperative control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103078376A (en) | 2013-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015196747A1 (en) | Test system for simulating direct-current bias of converter transformer | |
| CN204330993U (en) | Storage batteries of transformer substation holds servicing unit at line core | |
| CN204948018U (en) | A kind of circuit of multi-machine parallel connection system prevention cell panel PID effect | |
| EP2760118A3 (en) | Power conditioner, photovoltaic system, and abnormality determination method | |
| CN105098268A (en) | Terminal charging method and apparatus | |
| CN103795029A (en) | Leakage current detection protection circuit of direct-current remote supply power system | |
| CN204649887U (en) | A kind of assembling pick-up unit of elevator control cabinet wire harness | |
| CN203574367U (en) | Reverse connection protective circuit of power supply | |
| CN202524069U (en) | Reverse-polarity protection circuit | |
| CN204696664U (en) | The output overvoltage undervoltage protection device of DC-DC power source | |
| CN103078376B (en) | The current-limiting method of high power battery testing equipment constant voltage charge | |
| CN103166297A (en) | Power-fail protection circuit without backup battery | |
| CN103647314B (en) | A kind of super-capacitor charge protection device | |
| CN202535268U (en) | Parallel connection running device of switch power supply | |
| CN204578201U (en) | A kind of three-way power input seamless switching device | |
| CN204102020U (en) | A kind of constant-current supply system for earth mat current by pass proving installation transmitter module | |
| CN205039513U (en) | High -power circuit protector against power failure of high efficiency | |
| CN203537253U (en) | Parallel connection structure for switching power supplies | |
| CN204258640U (en) | For the output ground protection circuit of high voltage converter | |
| CN203951221U (en) | A kind of uninterrupted power supply charging circuit | |
| CN203720260U (en) | Electric energy meter having power protection circuit | |
| CN203337807U (en) | Circuit capable of inhibiting overvoltage locking protection for current-constant power supply during startup | |
| CN202495749U (en) | Power source protection circuit | |
| JP2016152649A5 (en) | ||
| CN203251278U (en) | Power-off controllable circuit of system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20170110 |