CN2700893Y - Power control apparatus for battery testing - Google Patents
Power control apparatus for battery testing Download PDFInfo
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- CN2700893Y CN2700893Y CN 200420015352 CN200420015352U CN2700893Y CN 2700893 Y CN2700893 Y CN 2700893Y CN 200420015352 CN200420015352 CN 200420015352 CN 200420015352 U CN200420015352 U CN 200420015352U CN 2700893 Y CN2700893 Y CN 2700893Y
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- 230000005669 field effect Effects 0.000 claims abstract description 78
- 238000010521 absorption reaction Methods 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims description 36
- 238000012806 monitoring device Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model discloses a power control apparatus for battery testing. The power control apparatus for battery testing aims to reduce the energy dissipation and the generate energy consumption heat quantity when the battery is charged and discharged. The utility model adopts the technical proposal that a power control apparatus for battery testing comprises a charging circuit, a discharging circuit, a power source and a battery. The discharging circuit is provided with an electric discharge control circuit, and the rear end of the electric discharge control circuit is provided with an energy absorption or changing circuit. Compared with the prior art, the on-off state of the field effect transistor is controlled by adopting the pulse width modulation mode in the charge-up circuit and the electric discharge circuit. By using the electric discharge energy transfer mode, the energy of the battery discharging can be recycled and used. The electricity utilization of the battery testing and forming is saved. The energy consumption is reduced. The large quantity of energy consumption heat quantity is prevented from releasing into the working environment. The manufacturing cost of the battery product is reduced.
Description
Technical field
The utility model relates to a kind of battery testing output control device, particularly a kind of battery testing output control device in the battery charging and discharging chemical synthesis technology of secondary cell production run.
Background technology
The power control circuit that existing battery testing and formation device use is to adopt analog control mode.During charging, in charge circuit, adopt transistor or adjustable resistance to consume excess energy, control battery charge.During battery discharge, the same energy that adopts transistor or adjustable resistance consuming cells to emit in discharge circuit.Transistor or adjustable resistance are heat with energy conversion, are discharged in the working environment.The deficiency that this traditional charging and discharge mode exist is, when the changing into of battery, causes the significant wastage of the energy, and what be discharged into working environment simultaneously can heat consumption, produces high air-conditioning expense again.
Summary of the invention
The purpose of this utility model provides a kind of battery testing output control device, and the technical matters that solve is when the charging of battery and discharge, reduces the energy heat consumption of energy dissipation and generation.
The utility model is by the following technical solutions: a kind of battery testing output control device, comprise charging circuit, discharge circuit, power supply and battery, and be provided with charge/discharge control circuit in the described discharge circuit, be connected with energy absorption or change-over circuit thereafter.
The electric current of charging circuit of the present utility model flows out from positive source, enter the positive pole of battery through source electrode, drain electrode, first inductance, second inductance of first field effect transistor, form the loop through battery cathode and power supply again, the grid of first field effect transistor is connected with a pulse width modulation circuit; The electric current of discharge circuit flows out from anode, through second inductance, first electrochemical capacitor, with the negative pole formation loop of battery; The source electrode that is connected second field effect transistor between second inductance and first electrochemical capacitor, its drain electrode is connected through the positive pole of the 3rd inductance with energy absorption or converting unit, the grid of second field effect transistor is connected with another pulse width modulation circuit, the minus earth of the negative pole of the negative pole of power supply, first electrochemical capacitor, the negative pole of battery and energy absorption or converting unit.
First inductance of the present utility model and battery cathode two ends are parallel with first diode, the negative pole of first diode is connected with first inductance, its positive pole is connected with the negative pole of battery, the two ends of first diode are parallel with the resistance capaciting absorpting circuit of second resistance and second capacitances in series, second electric capacity is connected with the negative pole of first diode, and second resistance is connected with the positive pole of first diode.
First electrochemical capacitor of the present utility model is the electrochemical capacitor of two parallel connections.
Be connected with the battery protection unit between second inductance of the present utility model and the battery, the battery protection unit is metal-oxide-semiconductor field effect t, semiconductor switch device or relay.
Be connected with the 3rd field effect transistor and the 4th field effect transistor between second inductance of the present utility model and the battery, the source electrode of the 3rd field effect transistor is connected with second inductance, its drain electrode is connected with the drain electrode of the 4th field effect transistor, the source electrode of the 4th field effect transistor is connected with the positive pole of battery, the negative pole of battery is serially connected with current monitoring device, the signal input fet gate control circuit of current monitoring device output.
Current monitoring device of the present utility model is current sensor or shunt resistance.
The two ends of first field effect transistor of the present utility model are parallel with the resistance capaciting absorpting circuit by first resistance and first capacitances in series, and the source electrode of first field effect transistor connects first resistance, and the drain electrode of first field effect transistor connects first electric capacity; The two ends of second field effect transistor are parallel with the resistance capaciting absorpting circuit by the 3rd resistance and the 3rd capacitances in series, the source electrode of second field effect transistor is connected with the 3rd resistance, the 3rd electric capacity is connected with the drain electrode of second field effect transistor, the 3rd inductance and energy absorption or converting unit negative pole two ends are parallel with second diode, the negative pole of second diode is connected with the 3rd inductance, its positive pole is connected with the negative pole of energy absorption or converting unit, and the two ends of energy absorption or converting unit are parallel with second electrochemical capacitor.
The of the present utility model first, second, third and the 4th field effect transistor is selected IR3205 for use, first and second diodes are selected D83 for use, first, second and the 3rd resistance are 10 ohm, first and second electric capacity are 0.01 microfarad, each electrochemical capacitor is 10000 microfarads, first, second and the 3rd inductance are 1 milihenry, and energy absorption units is 1 ohm a power resistor, and energy conversion unit is that voltage is lower than cell voltage, the power lead accumulator greater than the power of battery.
The pulse width modulation circuit that the grid of first field effect transistor of the present utility model connects adopts the SDC8411A control module, and the pulse width modulation circuit that the grid of second field effect transistor connects adopts the SDC8411A control module.
The utility model compared with prior art, in charging and discharge circuit, adopt the break-make of pulse-width-modulated mode control field effect transistor, utilize the discharge energy transfer mode, the recyclable utilization of the energy of battery discharge, save battery testing and changed into electricity consumption, reduce energy resource consumption, avoided a large amount of energy consumption heat release simultaneously in working environment, reduced the production cost of battery product.
Description of drawings
Fig. 1 is the utility model embodiment circuit block diagram.
Fig. 2 is the utility model embodiment circuit theory diagrams.
Fig. 3 is the power control circuit schematic diagram of prior art.
Fig. 4 is the charge circuit isoboles of Fig. 3.
Fig. 5 is the charge circuit isoboles of Fig. 3.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail, as depicted in figs. 1 and 2, battery testing output control device of the present utility model comprises Switching Power Supply, charging circuit, discharge circuit and battery, be connected with energy absorption or converting unit behind the discharge control module of discharge circuit, the voltage of Switching Power Supply must be higher than the voltage of battery.Charging circuit is by Switching Power Supply, the first field effect transistor MT1, first inductance L 1, second inductance L 2, the 3rd field effect transistor MT3, the 4th field effect transistor MT4, battery E and current monitoring device IS form, electric current flows out from Switching Power Supply is anodal, source electrode through the first field effect transistor MT1, drain electrode, first inductance L 1, second inductance L 2, the source electrode of the 3rd field effect transistor MT3, drain electrode, the drain electrode of the 4th field effect transistor MT4, source electrode enters the positive pole of battery E, again through battery E negative pole and current monitoring device IS and Switching Power Supply formation loop, the grid of the first field effect transistor MT1 is connected with pulse width modulation circuit, pulse width is according to the current feedback signal of current monitoring device IE, determine the width of pulse by controller, realize the purpose of the control first field effect transistor MT1 conducting, second inductance L 2 and current monitoring device IS two ends are parallel with first electrochemical capacitor that two electrochemical capacitor EC form, the number of electrochemical capacitor in parallel is determined according to rating of set, the positive pole of the first electrochemical capacitor EC is connected with second inductance L 2, its negative pole is connected with current monitoring device IS, first inductance L 1 and current monitoring device IS two ends are parallel with the first diode D1, the negative pole of the first diode D1 is connected with first inductance L 1, positive pole is connected with current monitoring device IS, the two ends of first diode are parallel with the resistance capaciting absorpting circuit of second resistance R 2 and 2 series connection of second capacitor C, second capacitor C 2 is connected with the negative pole of first diode, and second resistance R 2 is connected with the positive pole of first diode.The two ends of the first field effect transistor MT1 are parallel with the resistance capaciting absorpting circuit that is composed in series by first resistance R 1 and first capacitor C 1, and the drain electrode that the source electrode of the first field effect transistor MT1 connects first resistance R, 1, the first field effect transistor MT1 connects first capacitor C 1.During charging; inject energy to first inductance L 1 with pulse width modulation by the first field effect transistor MT1; afterflow and the filter unit formed by the first diode D1, first inductance L 1 and electrochemical capacitor EC; charge to battery E by second inductance L 2, the 3rd field effect transistor MT3, the 4th field effect transistor MT4, current monitoring device IS; what this moment, battery E flow through is the continuous current of low ripple; first resistance R 1 and first capacitor C 1 are formed the crest absorptive unit, the protection device for power switching.
Discharge circuit is made up of first electrochemical capacitor and the current monitoring device IS of battery E, the 4th field effect transistor MT4, the 3rd field effect transistor MT3, second inductance L 2, two parallel connections, electric current flows out from battery E is anodal, source electrode, drain electrode, the drain electrode of the 3rd field effect transistor MT3, source electrode, second inductance L 2, first electrochemical capacitor, current monitoring device IS through the 4th field effect transistor MT4 form the loop to battery cathode, and what this moment, battery E flow through is the inverse current of low ripple.The minus earth of the negative pole of the negative pole of Switching Power Supply, first electrochemical capacitor, battery E.
Energy absorption or change-over circuit comprise the second field effect transistor MT2, the 3rd inductance L 3 and energy absorption or converting unit RL, the source electrode that is connected the second field effect transistor MT2 between second inductance L 2 and first electrochemical capacitor, its drain electrode is connected through the positive pole of the 3rd inductance L 3 with energy absorption or converting unit RL, the minus earth of energy absorption or converting unit RL, the grid of the second field effect transistor MT2 is connected with another pulse width modulation circuit, pulse width is according to the current feedback signal of current monitoring device IE, determine the width of pulse by controller, realize the purpose of the control second field effect transistor MT2 conducting.The two ends of the second field effect transistor MT2 also are parallel with the resistance capaciting absorpting circuit that is composed in series by the 3rd resistance R 3 and the 3rd capacitor C 3, the source electrode of the second field effect transistor MT2 is connected with the 3rd resistance R 3, the 3rd capacitor C 3 is connected with the drain electrode of the second field effect transistor MT2, the 3rd inductance L 3 and energy absorption or converting unit negative pole two ends are parallel with the second diode D2, the negative pole of the second diode D2 is connected with the 3rd inductance L 3, its positive pole is connected with the negative pole of energy absorption or converting unit, and the two ends of energy absorption or converting unit are parallel with the second electrochemical capacitor EC2.
During discharge, second inductance L 2, the first electrochemical capacitor EC forms battery afterflow and filter unit, the current return of continuous discharge is by second inductance L 2, the first electrochemical capacitor EC, current monitoring device IS, battery E, the 4th field effect transistor MT4 and the 3rd field effect transistor MT3 form, at this moment, the second field effect transistor MT2, the 3rd inductance L 3, form energy absorption or change-over circuit with the second diode D2, control the admittance of the second field effect transistor MT2 by the control mode of pulse-length modulation, energy on the first electrochemical capacitor EC is boosted by 3 energy storage of the 3rd inductance L, feed back to energy absorption or converting unit by the second diode D2 again.The energy content of battery is to adopt the mode of low-ripple switch to transfer to energy absorption or conversion circuit, and the 3rd resistance R 3 and the 3rd capacitor C 3 are formed the crest absorptive unit, the protection device for power switching.
The 3rd field effect transistor MT3 and the 4th field effect transistor MT4 form the protected location of battery E in charging and the discharge circuit; record the size of electric current in the circuit by current monitoring device; the signal of its output is imported and the 3rd field effect transistor MT3 and the control circuit that the 4th field effect transistor MT4 grid links to each other, and controls the admittance of the 3rd field effect transistor MT3 and the 4th field effect transistor MT4.Also can adopt other elements to form, as semiconductor switch device or relay.
11. the Switching Power Supply of present embodiment adopts lead accumulator, first, second, third and fourth field effect transistor is selected IR3205 for use, first and second diodes are selected D83 for use, first, the second and the 3rd resistance is 10 ohm, first, the second and the 3rd electric capacity is 0.01 microfarad, each electrochemical capacitor is 10000 microfarads, first, the second and the 3rd inductance is 1 milihenry, current monitoring device adopts current sensor or shunt resistance, energy absorption units is 1 ohm a power resistor, energy conversion unit is a lead accumulator, and voltage should be lower than the voltage of battery E, and power should be greater than the power of battery E, the discharge energy absorptive unit, adopt excide battery, use inverter then, reusing of energy source will discharge.
The pulse width modulation circuit that the grid of first field effect transistor connects adopts the SDC8411A control module, and the pulse width modulation circuit that the grid of second field effect transistor connects adopts the SDC8411A control module.
Principal feature of the present utility model is that the energy transfer mode is adopted in discharge, energy savings consumes and the heat discharge expense, adopted the pulse width modulation (PWM) pattern, charge power control and discharge power control all are operated in pulse width modulation (PWM) pattern, i.e. on off state.At P=I
2In the R formula, when I was very big, R can be very little, and I is when equalling zero, and R can be very big.So the energy consumption P value of loop of power circuit is very little, the transfer efficiency of energy reaches more than 90%.Flow through charging current and the discharge current of tested battery E, be the steady current of low ripple.When charging detects battery E, in the pulse width modulation (PWM) mode, by charging control electric unit the energy in the Switching Power Supply is transferred to battery E, during discharge examination battery E, in the pulse width modulation (PWM) mode, by discharge control electric unit, with the energy in the battery E again feedback energy absorb or converting unit, make energy accomplish to recycle, avoided lot of energy consumption, remove heat release simultaneously in working environment and the corresponding radiating and cooling measure of taking, reduced the production cost of battery.
Claims (10)
1. a battery testing output control device comprises charging circuit, discharge circuit, power supply and battery, it is characterized in that: be provided with charge/discharge control circuit in the described discharge circuit, be connected with energy absorption or change-over circuit thereafter.
2. battery testing output control device according to claim 1, it is characterized in that: the electric current of described charging circuit flows out from positive source, enter the positive pole of battery through source electrode, drain electrode, first inductance, second inductance of first field effect transistor, form the loop through battery cathode and power supply again, the grid of first field effect transistor is connected with a pulse width modulation circuit; The electric current of discharge circuit flows out from anode, through second inductance, first electrochemical capacitor, with the negative pole formation loop of battery; The source electrode that is connected second field effect transistor between second inductance and first electrochemical capacitor, its drain electrode is connected through the positive pole of the 3rd inductance with energy absorption or converting unit, the grid of second field effect transistor is connected with another pulse width modulation circuit, the minus earth of the negative pole of the negative pole of power supply, first electrochemical capacitor, the negative pole of battery and energy absorption or converting unit.
3. battery testing output control device according to claim 3, it is characterized in that: described first inductance and battery cathode two ends are parallel with first diode, the negative pole of first diode is connected with first inductance, its positive pole is connected with the negative pole of battery, the two ends of first diode are parallel with the resistance capaciting absorpting circuit of second resistance and second capacitances in series, second electric capacity is connected with the negative pole of first diode, and second resistance is connected with the positive pole of first diode.
4. battery testing output control device according to claim 3 is characterized in that: described first electrochemical capacitor is the electrochemical capacitor of two parallel connections.
5. battery testing output control device according to claim 4 is characterized in that: be connected with the battery protection unit between described second inductance and the battery, the battery protection unit is metal-oxide-semiconductor field effect t, semiconductor switch device or relay.
6. battery testing output control device according to claim 5, it is characterized in that: be connected with the 3rd field effect transistor and the 4th field effect transistor between described second inductance and the battery, the source electrode of the 3rd field effect transistor is connected with second inductance, its drain electrode is connected with the drain electrode of the 4th field effect transistor, the source electrode of the 4th field effect transistor is connected with the positive pole of battery, the negative pole of battery is serially connected with current monitoring device, the signal input fet gate control circuit of current monitoring device output.
7. battery testing output control device according to claim 6 is characterized in that: described current monitoring device is current sensor or shunt resistance.
8. battery testing output control device according to claim 7, it is characterized in that: the two ends of described first field effect transistor are parallel with the resistance capaciting absorpting circuit by first resistance and first capacitances in series, the source electrode of first field effect transistor connects first resistance, and the drain electrode of first field effect transistor connects first electric capacity; The two ends of second field effect transistor are parallel with the resistance capaciting absorpting circuit by the 3rd resistance and the 3rd capacitances in series, the source electrode of second field effect transistor is connected with the 3rd resistance, the 3rd electric capacity is connected with the drain electrode of second field effect transistor, the 3rd inductance and energy absorption or converting unit negative pole two ends are parallel with second diode, the negative pole of second diode is connected with the 3rd inductance, its positive pole is connected with the negative pole of energy absorption or converting unit, and the two ends of energy absorption or converting unit are parallel with second electrochemical capacitor.
9. battery testing output control device according to claim 8, it is characterized in that: the described first, second, third and the 4th field effect transistor is selected IR3205 for use, first and second diodes are selected D83 for use, first, second and the 3rd resistance are 10 ohm, first and second electric capacity are 0.01 microfarad, each electrochemical capacitor is 10000 microfarads, first, second and the 3rd inductance are 1 milihenry, energy absorption units is 1 ohm a power resistor, and energy conversion unit is that voltage is lower than cell voltage, the power lead accumulator greater than the power of battery.
10. battery testing output control device according to claim 9, it is characterized in that: the pulse width modulation circuit that the grid of described first field effect transistor connects adopts the SDC8411A control module, and the pulse width modulation circuit that the grid of second field effect transistor connects adopts the SDC8411A control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015352 CN2700893Y (en) | 2004-02-06 | 2004-02-06 | Power control apparatus for battery testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420015352 CN2700893Y (en) | 2004-02-06 | 2004-02-06 | Power control apparatus for battery testing |
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| CN2700893Y true CN2700893Y (en) | 2005-05-18 |
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| CN 200420015352 Expired - Lifetime CN2700893Y (en) | 2004-02-06 | 2004-02-06 | Power control apparatus for battery testing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106340921A (en) * | 2016-09-26 | 2017-01-18 | 武汉柏太电力设备有限公司 | Current source circuit capable of providing high frequency alternating current |
| CN106370953A (en) * | 2016-09-26 | 2017-02-01 | 武汉柏太电力设备有限公司 | Power battery pack-based cable identification instrument |
| CN106645925A (en) * | 2016-09-11 | 2017-05-10 | 浙江大学 | Electric energy storage device power test system |
| CN108957329A (en) * | 2018-03-28 | 2018-12-07 | 东莞市稳芯电子科技有限公司 | Energy-storage type energy-saving battery charging and discharging tests circuit |
| CN112928809A (en) * | 2021-04-23 | 2021-06-08 | 阳光电源股份有限公司 | Power supply device, control method and system |
| CN113009370A (en) * | 2021-02-22 | 2021-06-22 | 哈尔滨理工大学 | Low-energy-consumption power battery cycle life testing system and method |
-
2004
- 2004-02-06 CN CN 200420015352 patent/CN2700893Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645925A (en) * | 2016-09-11 | 2017-05-10 | 浙江大学 | Electric energy storage device power test system |
| CN106340921A (en) * | 2016-09-26 | 2017-01-18 | 武汉柏太电力设备有限公司 | Current source circuit capable of providing high frequency alternating current |
| CN106370953A (en) * | 2016-09-26 | 2017-02-01 | 武汉柏太电力设备有限公司 | Power battery pack-based cable identification instrument |
| CN106370953B (en) * | 2016-09-26 | 2019-10-01 | 武汉博泰电力自动化设备有限责任公司 | A kind of cable identifier based on power battery pack |
| CN108957329A (en) * | 2018-03-28 | 2018-12-07 | 东莞市稳芯电子科技有限公司 | Energy-storage type energy-saving battery charging and discharging tests circuit |
| CN113009370A (en) * | 2021-02-22 | 2021-06-22 | 哈尔滨理工大学 | Low-energy-consumption power battery cycle life testing system and method |
| CN112928809A (en) * | 2021-04-23 | 2021-06-08 | 阳光电源股份有限公司 | Power supply device, control method and system |
| CN112928809B (en) * | 2021-04-23 | 2024-05-14 | 阳光电源股份有限公司 | Power supply device, control method and system |
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Owner name: SHENZHEN RUINENG INDUSTRY CO., LTD. Free format text: FORMER OWNER: MAO GUANGFU Effective date: 20100526 |
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Free format text: CORRECT: ADDRESS; FROM: 518067 11, BUILDING 29, HAIYUEHUAYUAN, HOUHAI STREET, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518055 3/F, FACTORY BUILDING 5, LIHU INDUSTRIAL AND TRADING CO., LTD., QINYUAN ROAD WEST, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100526 Address after: 518055 Guangdong city of Shenzhen province Nanshan District Qinyuan Luxili Lake Industrial and Trading Company plant fifth floor Patentee after: Rui Neng Industrial Co., Ltd. of Shenzhen Address before: 518067 Guangdong city of Shenzhen province Nanshan District Houhai Road on the 29 garden 11 Patentee before: Mao Guangfu |
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