CN102055211A - Series sequence switch charging shunt control regulating circuit - Google Patents
Series sequence switch charging shunt control regulating circuit Download PDFInfo
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- CN102055211A CN102055211A CN2009101985071A CN200910198507A CN102055211A CN 102055211 A CN102055211 A CN 102055211A CN 2009101985071 A CN2009101985071 A CN 2009101985071A CN 200910198507 A CN200910198507 A CN 200910198507A CN 102055211 A CN102055211 A CN 102055211A
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Abstract
The invention relates to a solar cell array charging shunt regulating circuit and in particular discloses a series sequence switch charging shunt control regulating circuit. The circuit comprises a bus voltage regulating unit, a pulse width modulation (PWM) signal generating unit, a charging shunt interlocking unit, a metal oxide semiconductor field-effect transistor (MOSFET) driving unit, a shunt MOSFET unit and a charging MOSFET unit, wherein the bus voltage regulating unit generates a regulating signal according to bus voltage sampling feedback and bus voltage setting; the PWM signal generating unit converts the regulating signal into a PWM signal; the charging shunt interlocking unit transmits the PWM signal to the shunt MOSFET driving unit or the charging MOSFET unit to be driven according to the charging requirement of a storage battery; and in the process of maintaining the bus voltage, the shunt MOSFET driving unit is controlled to shunt solar cell array power and the charging MOSFET unit is controlled to transmit the solar cell array power to the storage battery according to a driving signal. The shunt regulating circuit is integrated with a charging regulating circuit, and power supply and charging of a solar cell are combined.
Description
Technical field
The invention belongs to space power system-control circuit technical field, relate to a kind of solar battery array charging shunting regulating circuit.
Background technology
Satellite solar cell input surplus power is handled shunting of original adoption resistance loss formula and partial linear switch shunting mode, and the oneself power consumption of adjustment component is very big, is installed in satellite out of my cabin, work under bad environment, and reliability is low.Last century, the seventies European Space Agency proposed the S3R power conditioning technology, i.e. sequence type switch shunting is regulated, and by high-power V-metal-oxide-semiconductor sun battle array surplus power is directly shunted.This dividing technology has characteristics such as the self-heating amount is little, switching characteristic is good, has obtained application on China's multi-satellite model.
The present invention is on the basis of S3R power conditioning technology, tandem type sequence switch charging flow-dividing control regulation technology has been proposed, further regulating circuit will be shunted and charge adjustment circuit is integrated, solar cell power supply, charging battle array unification design have been realized, guaranteed that the solar battery array energy is preferably electric, satisfying under the situation of load is battery charging, and shunting again made the energy of solar battery array obtain utilization to greatest extent like this after batteries was full of again.This technology both overcome in the S3R technology charge controller directly be connected on the bus the excessive and too high shortcoming of weight of the power loss of bringing, overcome the mixed type power conditioning technology again and used the lower difficulty of charge independence battle array efficient, reduced the complexity of control.
Summary of the invention
Technical problem to be solved by this invention is a kind of solar battery array charging of exploitation shunting regulating circuit--a tandem type sequence switch charging flow-dividing control regulating circuit.The restriction control technology of charging and flow-dividing control adjusting has been dissolved in the present invention, and the mutual interference when having avoided charging and shunting MOSFET work effectively guarantees stablizing of bus output voltage.
The technical scheme that the present invention is adopted for its technical problem of solution is as follows: a kind of tandem type sequence switch charging flow-dividing control regulating circuit, comprise parts such as busbar voltage regulon, pwm signal generation unit, charging shunting interlocking unit, MOSFET driver element, shunting MOSFET unit and charging MOSFET unit, the busbar voltage regulon produces conditioning signal according to busbar voltage sampling feedback and busbar voltage setting; The pwm signal generation unit is converted to pulse-width signal with conditioning signal; Charging shunting interlocking unit requires pulse-width signal is delivered to shunting MOSFET unit drives or charging MOSFET unit drives according to charge in batteries; When keeping busbar voltage, storage battery is delivered to solar battery array power in solar battery array power dividing, charging MOSFET unit according to drive signal control shunting MOSFET unit.
The present invention will shunt regulating circuit and charge adjustment circuit is integrated, solar cell power supply, charging battle array unification design have been realized, guaranteed that the solar battery array energy is preferably electric, satisfying under the situation of load is battery charging, shunting again after batteries is full of again, make the energy of solar battery array obtain utilization to greatest extent like this, have a wide range of applications in the space power system field.
With respect to prior art, the present invention finishes charging by the demand for control of system and regulates and shunt adjusting control, in design, dissolved in the restriction control technology that charging and flow-dividing control are regulated, mutual interference when having avoided charging and shunting MOSFET work effectively guarantees the stable of bus output voltage.Its major advantage has: 1) the bus filter can be smaller; 2) when any operating state, have only a module to be in the switch modulation state; 3) two territories of realizing power supply output are controlled; 4) the dynamic load responding ability is good; 5) thus can take multilevel redundancy design to avoid single point failure jointly with the sun wing; 6) simplicity of design and formation batch production easily; 7) need not complicated backup design; 8) hear rate is low.
Description of drawings
Fig. 1 is a theory diagram of the present invention.
Fig. 2 is the concrete hardware configuration schematic diagram of implementing of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, further set forth the present invention.These embodiment are interpreted as only being used to the present invention is described and are not used in restriction protection scope of the present invention.After the content of having read the present invention's record, those skilled in the art can make various changes or modifications the present invention, and these equivalences change and modify and fall into claim of the present invention institute restricted portion equally.
As shown in Figure 1, a kind of tandem type sequence switch charging flow-dividing control regulating circuit that the preferred embodiment of the present invention provides, comprise parts such as busbar voltage regulon, pwm signal generation unit, charging shunting interlocking unit, MOSFET driver element, shunting MOSFET unit and charging MOSFET unit, the busbar voltage regulon produces conditioning signal according to busbar voltage sampling feedback and busbar voltage setting; The pwm signal generation unit is converted to pulse-width signal with conditioning signal; Charging shunting interlocking unit requires pulse-width signal is delivered to shunting MOSFET unit drives or charging MOSFET unit drives according to charge in batteries; When keeping busbar voltage, storage battery is delivered to solar battery array power in solar battery array power dividing, charging MOSFET unit according to drive signal control shunting MOSFET unit.
As shown in Figure 2, tandem type sequence switch charging flow-dividing control regulating circuit of the present invention can be realized by the discrete hardware circuit.
Circuit adopts the SG1525 chip as busbar voltage regulon and pwm signal generation unit, and busbar voltage feedback and busbar voltage benchmark are sent into from SG1525 chip 1,2 pin, relatively produces pwm signal through SG1525 chip and oscillator and is exported by 11,14 pin.Two paths of signals forms the MOSFET control signal after circuit is synthetic.If charging control signal is a high level, expression allows charging, then Q1 conducting, and the control signal that is sent to shunting MOSFET remains low level; Q2 is according to conducting of MOSFET control signal or shutoff, thereby driving charging MOSFET conducting or shutoff are keeping under the stable situation of busbar voltage to charge in batteries the solar battery array energy.If charging control signal is a low level, charging is forbidden in expression, and then Q2 keeps turn-offing, and charging MOSFET keeps turn-offing, no longer to charge in batteries; Q1 keeps turn-offing, and the MOSFET control signal is sent to the push-pull driver circuit that Q3, Q4 form, and drives shunting MOSFET conducting or shutoff, is keeping energy shunting under the stable situation of busbar voltage that sun battle array is unnecessary.
Claims (2)
1. tandem type sequence switch charging flow-dividing control regulating circuit, it is characterized in that, comprise busbar voltage regulon, pwm signal generation unit, charging shunting interlocking unit, MOSFET driver element, shunting MOSFET unit and charging MOSFET unit, the busbar voltage regulon produces conditioning signal according to busbar voltage sampling feedback and busbar voltage setting; The pwm signal generation unit is converted to pulse-width signal with conditioning signal; Charging shunting interlocking unit requires pulse-width signal is delivered to shunting MOSFET driver element or charging MOSFET unit drives according to battery charging; When keeping busbar voltage, batteries is delivered to solar battery array power in solar battery array power dividing, charging MOSFET unit according to drive signal control shunting MOSFET unit.
2. tandem type sequence switch charging flow-dividing control regulating circuit as claimed in claim 1 is characterized in that, adopts the discrete hardware circuit to realize, adopts the SG1525 chip as busbar voltage regulon and pwm signal generation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910198507.1A CN102055211B (en) | 2009-11-10 | 2009-11-10 | Series sequence switch charging shunt control regulating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910198507.1A CN102055211B (en) | 2009-11-10 | 2009-11-10 | Series sequence switch charging shunt control regulating circuit |
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| CN102055211A true CN102055211A (en) | 2011-05-11 |
| CN102055211B CN102055211B (en) | 2015-04-15 |
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| CN200910198507.1A Active CN102055211B (en) | 2009-11-10 | 2009-11-10 | Series sequence switch charging shunt control regulating circuit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570788A (en) * | 2012-02-15 | 2012-07-11 | 浪潮电子信息产业股份有限公司 | Soft start power supply capable of effectively suppressing start-up noise |
| CN104113205A (en) * | 2013-04-18 | 2014-10-22 | 深圳航天东方红海特卫星有限公司 | Novel shunting adjusting circuit |
| CN104378060A (en) * | 2014-11-18 | 2015-02-25 | 上海空间电源研究所 | Frequency modulation shunt control device |
| CN104426197A (en) * | 2013-09-10 | 2015-03-18 | 上海空间电源研究所 | Solar battery array power supplying and charging control system |
| CN106300326A (en) * | 2016-08-19 | 2017-01-04 | 北京空间飞行器总体设计部 | A kind of solar cell Switching Shunt protection circuit |
| CN106428637A (en) * | 2016-10-14 | 2017-02-22 | 深圳航天科技创新研究院 | Integrated electric propulsion power system |
| US10389144B2 (en) | 2016-02-25 | 2019-08-20 | Samsung Sdi Co., Ltd. | Battery protection circuit monitoring a state of a charging switch and battery pack including same |
| CN111030077A (en) * | 2019-12-23 | 2020-04-17 | 中国电子科技集团公司第十八研究所 | Shunt regulation circuit for solar cell array switch and regulation method based on shunt regulation circuit |
| CN111416335A (en) * | 2020-04-30 | 2020-07-14 | 上海空间电源研究所 | Double-bus solar cell array output power control system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101733740B1 (en) | 2016-01-07 | 2017-05-08 | 삼성에스디아이 주식회사 | Battery protection circuit |
-
2009
- 2009-11-10 CN CN200910198507.1A patent/CN102055211B/en active Active
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| CAPEL, A. ET AL.: "Comparative performance evaluation between the S4R and the S3R regulated bus topologies", 《POWER ELECTRONICS SPECIALISTS CONFERENCE, 2001. PESC. 2001 IEEE 32ND ANNUAL》 * |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570788A (en) * | 2012-02-15 | 2012-07-11 | 浪潮电子信息产业股份有限公司 | Soft start power supply capable of effectively suppressing start-up noise |
| CN104113205A (en) * | 2013-04-18 | 2014-10-22 | 深圳航天东方红海特卫星有限公司 | Novel shunting adjusting circuit |
| CN104113205B (en) * | 2013-04-18 | 2018-04-24 | 深圳航天东方红海特卫星有限公司 | A kind of shunt regulating circuit |
| CN104426197A (en) * | 2013-09-10 | 2015-03-18 | 上海空间电源研究所 | Solar battery array power supplying and charging control system |
| CN104378060A (en) * | 2014-11-18 | 2015-02-25 | 上海空间电源研究所 | Frequency modulation shunt control device |
| US10389144B2 (en) | 2016-02-25 | 2019-08-20 | Samsung Sdi Co., Ltd. | Battery protection circuit monitoring a state of a charging switch and battery pack including same |
| CN106300326A (en) * | 2016-08-19 | 2017-01-04 | 北京空间飞行器总体设计部 | A kind of solar cell Switching Shunt protection circuit |
| CN106300326B (en) * | 2016-08-19 | 2018-10-09 | 北京空间飞行器总体设计部 | A kind of solar cell Switching Shunt protection circuit |
| CN106428637A (en) * | 2016-10-14 | 2017-02-22 | 深圳航天科技创新研究院 | Integrated electric propulsion power system |
| CN106428637B (en) * | 2016-10-14 | 2019-03-26 | 深圳航天科技创新研究院 | A kind of full electric propulsion power system |
| CN111030077A (en) * | 2019-12-23 | 2020-04-17 | 中国电子科技集团公司第十八研究所 | Shunt regulation circuit for solar cell array switch and regulation method based on shunt regulation circuit |
| CN111416335A (en) * | 2020-04-30 | 2020-07-14 | 上海空间电源研究所 | Double-bus solar cell array output power control system |
| CN111416335B (en) * | 2020-04-30 | 2021-04-06 | 上海空间电源研究所 | Double-bus solar cell array output power control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102055211B (en) | 2015-04-15 |
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