CN106300326A - A kind of solar cell Switching Shunt protection circuit - Google Patents
A kind of solar cell Switching Shunt protection circuit Download PDFInfo
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- CN106300326A CN106300326A CN201610698241.7A CN201610698241A CN106300326A CN 106300326 A CN106300326 A CN 106300326A CN 201610698241 A CN201610698241 A CN 201610698241A CN 106300326 A CN106300326 A CN 106300326A
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- latching relay
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/12—Parallel operation of dc generators with converters, e.g. with mercury-arc rectifier
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Abstract
A kind of solar cell Switching Shunt protection circuit, including: divided current main circuit, protection enable control circuit；Divided current main circuit includes that the protection path identical with solar cell submatrix quantity, each protection path include shunting metal-oxide-semiconductor Q16, protection metal-oxide-semiconductor Q17, main power flow isolating diode D1, Zener diode D2, energy dissipating resistance R11, energy dissipating resistance R12, current-limiting resistance R13, magnetic latching relay J18；Protection enables control circuit and includes the enable control access identical with divided current main circuit quantity, and each control access includes instruction power VCC, current-limiting resistance R14, current-limiting resistance R15, magnetic latching relay J19.Switching Shunt protection circuit of the present invention uses the mode that protection switching tube is connected with shunting main circuit, it is achieved mode is simple, reduces the volume and weight of circuit, has the highest reliability simultaneously.
Description
Technical field
The present invention relates to a kind of protection circuit for the regulation of solar cell Switching Shunt.
Background technology
Solar cell shunts as near-earth spacecraft main energy sources in orbit, current commonly used variable connector
Power adjustments mode, a road shunt regulating circuit malfunction means a corresponding road solar cell submatrix power loss, and power supply supplies
Power declines, and causes the spacecraft energy balance to be in-orbit worse off, and affects the configuration of spacecraft operating mode in-orbit and task completeness,
Even threaten spacecraft safety in orbit.No matter from power-supply system stable operation, ensure power supply reliability, or from improving boat
In it device life-span in orbit, maintain spacecraft mission requirements angle to set out, be required for the reliable of solar cell shunt regulating circuit
Property, prevent solar cell power loss in-orbit.
Solar cell shunt regulating lost efficacy to have become as affects spacecraft task in-orbit and the key factor in life-span.To China
Spacecraft power supply system on-orbit fault producing cause analysis shows, the fault caused due to solar cell shunt regulating circuit malfunction
Account for the 5% of whole fault amount, solar cell shunt regulating circuit is taked protective measure have become as a kind of raising spacecraft
Power-supply system reliability and the necessary means of safety.
The solar cell power adjustments mode of Switching Shunt, has control circuit power consumption little, and volume weight is little, and efficiency is high,
The advantage that regulating power is strong, it has also become low earth-orbit satellite (LEO), Medium Earth-Orbiting Satellite (MEO), moon exploration and Mars
The first-selected means of the field spacecraft solar cell power adjustments such as detection.But use Switching Shunt regulative mode can bring single channel too
Positive electricity pond battle array power is relatively big, and once certain way switch shunt circuit breaks down, and whole solar battery array wasted power is more, must
The power loss that protective measure is brought must be taked to avoid single channel fault.
In prior art, the protected mode research to solar cell Switching Shunt circuit is less, current spacecraft reply single channel
Solar cell shunt regulating fault mainly has following three kinds of methods: one is that single channel shunt regulating circuit uses Single switch pipe not carry out
Protection, by increasing the power loss that solar battery array design margin brings, two Shi Mei road shunt regulatings with reply single channel fault
Circuit uses the protected mode of Two switches in series, can answer switch tube faults itself situation, three Shi Mei road shunt regulating electricity
Road uses dual switch parallel way；There is following limitation in aforesaid way on using: method one is answered by increasing surplus
To fault, owing to every road shunt regulating circuit capacity is relatively strong, brings power-supply system power supply capacity surplus excessive, cause satellite resource
Waste, increase development cost, and increase the power adjustments burden of every road shunt regulating circuit, bring heat consumption to increase and shunting surplus
The problems such as reduction, method two is only applicable to the faults itself of switching tube and processes, and is not suitable for driving control circuit fault to cause out
Closing the troubleshooting of pipe operation irregularity, method three as reducing the effective means shunting heat consumption, but can not possess divided current merit
Can, it is impossible to the protection carrying out shunt regulating circuit processes.
Summary of the invention
The technical problem to be solved is: overcome the deficiency of existing design, it is provided that a kind of solar cell switch
Divided current circuit, volume is little, lightweight, reliability is high, solves the error protection problem of solar cell Switching Shunt circuit.
The technical solution adopted in the present invention is: a kind of solar cell Switching Shunt protection circuit, including: divided current master
Circuit, protection enable control circuit；Divided current main circuit includes the protection path identical with solar cell submatrix quantity, each
Protection path includes shunting metal-oxide-semiconductor Q16, protection metal-oxide-semiconductor Q17, main power flow isolating diode D1, Zener diode D2, disappearing
Can resistance R11, energy dissipating resistance R12, current-limiting resistance R13, magnetic latching relay J18；Solar cell submatrix and main power flow every
It is connected from diode D1 positive pole, the common port of solar cell submatrix and main power flow isolating diode D1 and shunting metal-oxide-semiconductor Q16
Drain electrode connect, shunting metal-oxide-semiconductor Q16 source electrode connect protection metal-oxide-semiconductor Q17 drain electrode, shunting metal-oxide-semiconductor Q16 driving signal from
Grid accesses, and energy dissipating resistance R11 is connected between grid and the source electrode of shunting metal-oxide-semiconductor Q16；The source electrode of protection metal-oxide-semiconductor Q17 connects
Ground, grid connects contact switch one end of magnetic latching relay J18, and the contact switch other end of magnetic latching relay J18 passes through
Current-limiting resistance R13 is connected with instruction power VCC；Energy dissipating resistance R12 is connected between grid and the source electrode of protection metal-oxide-semiconductor Q17；Surely
The plus earth of pressure diode D2, negative pole is connected with the grid of protection metal-oxide-semiconductor Q17；The a group line bag of magnetic latching relay J18 is born
Pole, b group line bag negative pole receive external remote control instruction；Protection enables control circuit and includes identical with divided current main circuit quantity
Enabling control access, each control access includes instruction power VCC, current-limiting resistance R14, current-limiting resistance R15, magnetic latching relay
J19；The common port that a group line bag positive pole of magnetic latching relay J18 is connected with the b group line bag positive pole of magnetic latching relay J18 with
Contact switch one end of magnetic latching relay J19 connects, and the contact switch other end of magnetic latching relay J19 passes through current-limiting resistance
R14 is connected with instruction power VCC；The a group line bag positive pole of magnetic latching relay J19 is with the b group line bag of magnetic latching relay J19 just
The common port that pole connects is connected with instruction power VCC by current-limiting resistance R15, a group line bag negative pole of magnetic latching relay J19, b
Group line bag negative pole receives external remote control instruction.
Described divided current main circuit also includes counter electromotive force diode D3～D6 that disappear；Disappear counter electromotive force diode D3 negative pole
Connecting a group line bag positive pole of magnetic latching relay J18, the counter electromotive force diode D3 positive pole that disappears connects the counter electromotive force diode D4 that disappears
Negative pole, the counter electromotive force diode D4 positive pole that disappears connects a group line bag negative pole of magnetic latching relay J18；Disappear counter electromotive force diode
D5 negative pole connects the b group line bag positive pole of magnetic latching relay J18, and the counter electromotive force diode D5 positive pole that disappears connects the counter electromotive force two that disappears
Pole pipe D6 negative pole, the counter electromotive force diode D6 positive pole that disappears connects the b group line bag negative pole of magnetic latching relay J18.
Described protection enables control circuit and also includes counter electromotive force diode D7～D10 that disappear；Disappear counter electromotive force diode D7
Negative pole connects a group line bag positive pole of magnetic latching relay J19, and the counter electromotive force diode D7 positive pole that disappears connects counter electromotive force two pole that disappears
Pipe D8 negative pole, the counter electromotive force diode D8 positive pole that disappears connects a group line bag negative pole of magnetic latching relay J19；Disappear counter electromotive force two
Pole pipe D9 negative pole connects the b group line bag positive pole of magnetic latching relay J19, and the counter electromotive force diode D9 positive pole that disappears connection disappears the most electronic
Gesture diode D10 negative pole, the counter electromotive force diode D9 positive pole that disappears connects the b group line bag negative pole of magnetic latching relay J19.
Present invention advantage compared with prior art is:
(1) this protection circuit that can be used for the regulation of solar cell Switching Shunt of the present invention, it is achieved that spacecraft is appointed in-orbit
The protection of solar cell Switching Shunt regulation circuit between must；Protection circuit have employed protection switching tube and connects with shunting main circuit
Mode, it is achieved mode is simple；It is provided with protection and enables switch, on the premise of protection enables, telecommand can be passed through
Disconnect divided current pipe, misoperation occurs when preventing from the most normally working.
(2) scope is wide, and the design protection of the present invention is possible not only to answer switch tube self device fault, also
The abnormality processing driving control circuit fault to bring can be tackled, the major failure of solar cell shunt regulating circuit can be covered
Pattern.
(3) implementation of the present invention is easy, and the design protection of the present invention can be directly embedded into each quasi-representative divided current circuit
In, and use independent control circuit, do not change original power supply and control topological sum control mode.
(4) reliability of the present invention is high, and the design protection of the present invention is provided with dual-switch, only in divided current function
Enable under premise, by sending surface instruction, just can disconnect divided current pipe and perform defencive function, it is ensured that shunt regulating electricity in-orbit
The normal work on road.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of solar cell Switching Shunt protection circuit of the present invention.
Detailed description of the invention
The major function of solar cell Switching Shunt protection circuit is to protect solar cell Switching Shunt regulation circuit
Protect, the solar cell submatrix power loss that isocon short circuit or isocon drive circuit fault cause can be avoided, it is achieved appoint in-orbit
Solar cell energy conservation between must, as it is shown in figure 1, the invention discloses a kind of solar cell Switching Shunt protection circuit, bag
Include divided current main circuit, protection enables control circuit.
Divided current main circuit for carrying out break-make control to solar cell shunt access, and every road solar cell submatrix shunts
Regulation path devises protection switching tube and diverting switch pipe series system, can not affect shunt regulating normal circuit operation
On the premise of realize this road solar cell submatrix power defencive function, thus ensure that reliability.Divided current main circuit is protected
Protect being turned on or off and forbidding that the design of guard mode can be performed by ground remote control instruction of switching tube, protection instruction
Sent by the direct telecommand in ground.Under forbidding guard mode, protection instruction cannot perform divided current function.But at the sun
During cell shunt protection is carried out, forbid protecting instruction can interrupt defencive function.Solar cell shunting is logical under normal circumstances
Road is in forbids guard mode.When solar cell shunt access short trouble, need to first send protection enable instruction and make sun electricity
Pond divided current circuit is in defencive function enabled state, then connects protection act and perform switch.When in protection circuit, protection is opened
Closing pipe and be off state, protection act completes.
It addition, for guaranteeing power supply safety, during preventing from normally working, solar cell shunt circuit is opened by wrong diagnosis, and the present invention sets
Put protection and enable control circuit.When the protection circuit state of this shunt access is set to forbid, even if sending protection act
Perform instruction, be also not turned on protection act and perform switch.When only enable circuit state is set to enable, can realize protecting
The normal break-make of protection circuit controls.
As it is shown in figure 1, divided current main circuit includes the protection path identical with solar cell submatrix quantity, each protection
Path includes shunting metal-oxide-semiconductor Q16, protection metal-oxide-semiconductor Q17, main power flow isolating diode D1, Zener diode D2, energy dissipating electricity
Resistance R11, energy dissipating resistance R12, current-limiting resistance R13, magnetic latching relay J18；Solar cell submatrix SAS is isolated with main power flow
Diode D1 positive pole is connected, the common port of solar cell submatrix SAS and main power flow isolating diode D1 and shunting metal-oxide-semiconductor
The drain electrode of Q16 connects, and the source electrode of shunting metal-oxide-semiconductor Q16 connects the drain electrode of protection metal-oxide-semiconductor Q17, the driving signal of shunting metal-oxide-semiconductor Q16
Accessing from grid, energy dissipating resistance R11 is connected between grid and the source electrode of shunting metal-oxide-semiconductor Q16；The source electrode of protection metal-oxide-semiconductor Q17 connects
Ground, grid connects contact switch one end of magnetic latching relay J18, and the contact switch other end of magnetic latching relay J18 passes through
Current-limiting resistance R13 is connected with instruction power VCC；Energy dissipating resistance R12 is connected between grid and the source electrode of protection metal-oxide-semiconductor Q17；Surely
The plus earth of pressure diode D2, negative pole is connected with the grid of protection metal-oxide-semiconductor Q17；The contact switch of magnetic latching relay J18 is subject to
The external remote control instruction control realization switch that a group line bag negative pole of magnetic latching relay J18, b group line bag negative pole receive；Disappear anti-electricity
Kinetic potential diode D3 negative pole connects a group line bag positive pole of magnetic latching relay J18, and the counter electromotive force diode D3 positive pole that disappears connection disappears
Counter electromotive force diode D4 negative pole, the counter electromotive force diode D4 positive pole that disappears connects a group line bag negative pole of magnetic latching relay J18；
The counter electromotive force diode D5 negative pole that disappears connects the b group line bag positive pole of magnetic latching relay J18, and disappear counter electromotive force diode D5 positive pole
Connecting the counter electromotive force diode D6 negative pole that disappears, the counter electromotive force diode D6 positive pole that disappears connects the b group line bag of magnetic latching relay J18
Negative pole.
Original state, magnetic latching relay J18 connects, and protection metal-oxide-semiconductor Q17 connects.With magnetic latching relay shown in J18 it is
Example, 1 foot and 2 feet are one group of line bag (a group line bags), and 9 feet and 10 feet are then another set line bag (b group line bags).3,4,5 feet and 6,
7,8 feet separately constitute two groups of contact switch, and contact switch switches on and off action and controlled by two groups of line bags respectively.For preventing contact
Misoperation, uses two groups of contact switch series connection.Wherein 3 feet and 6 feet are common, when magnetic latching relay normally works, and 3 feet
Contact can only with group switch 4 feet and 5 foot contacts in one be connected, 6 foot contacts in like manner, can only with in 7 feet and 8 foot contacts
One be connected.When a group line bag powers up, 3 foot contacts are connected with 4 foot contacts, and 6 foot contacts are connected with 7 foot contacts；B group line bag adds
During electricity, 3 foot contacts are connected with 5 foot contacts, and 6 foot contacts are connected with 8 foot contacts；If a group line bag and b group line bag are simultaneously powered up, then a
Group line packages effect.Might as well assume that magnetic latching relay J18 receives the telecommand (J18_on) of connection, then have instruction power
Acting on 1 foot and 2 feet (12V, 80ms) of a group line bag, when pulse current is entered from 2 feet outflow by 1 foot, contact switch moves
Making, 3 foot contacts are connected with 4 foot contacts, and 6 foot contacts are connected with 7 foot contacts, and now protection metal-oxide-semiconductor Q17 connects, to solar cell
Switching Shunt path does not shields.If assuming, magnetic latching relay J18 receives the telecommand (J18_off) of disconnection,
Instruction power is then had to act on 9 feet and 10 feet (12V, 80ms) of b group line bag, when pulse current is entered from 10 feet outflows by 9 feet
Time, contact switch action, 3 foot contacts are connected with 5 foot contacts, and 6 foot contacts are connected with 8 foot contacts, and now protection pipe Q17 turns off,
Solar cell Switching Shunt path disconnects, i.e. divided current main circuit disconnects, and this road solar cell submatrix electric current can only flow to bear
Carry end, divided current effect.
If shunt metal-oxide-semiconductor Q16 short circuit occur, or there is the event of long high level in the driving signal Signal_1 of shunting metal-oxide-semiconductor Q16
Barrier brings shunting metal-oxide-semiconductor Q16 length to lead to, then this road solar cell submatrix electric current can be caused to shunt the most over the ground, this road solar cell
Submatrix power loss.When above-mentioned fault occurs, telecommand J18_off can be sent by ground, disconnect magnetic latching relay
J18, turns off protection metal-oxide-semiconductor Q17, thus disconnects the shunt access of this road solar cell submatrix, Shi Gai road solar cell submatrix SAS
Power supply load, due to the existence of spacecraft long-term work load, does not results in power supply buses voltage and raises.
Protection enables control circuit and prevents divided current main circuit generation misoperation, as it is shown in figure 1, protection enables controls electricity
Road includes the enable control access identical with divided current main circuit quantity, and each control access includes instruction power VCC, current limliting
Resistance R14, current-limiting resistance R15, magnetic latching relay J19；The a group line bag positive pole of magnetic latching relay J18 keeps relay with magnetic
The common port that the b group line bag positive pole of device J18 connects is connected with contact switch one end of magnetic latching relay J19, and magnetic keeps relay
The contact switch other end of device J19 is connected with instruction power VCC by current-limiting resistance R14；The a group line of magnetic latching relay J19
The common port that bag positive pole is connected with the b group line bag positive pole of magnetic latching relay J19 is by current-limiting resistance R15 and instruction power VCC
Being connected, the contact switch of magnetic latching relay J19 is received by a group line bag negative pole, the b group line bag negative pole of magnetic latching relay J19
External remote control instruction realize switch.
Original state, magnetic latching relay J19 disconnects.Assuming that sending divided current enables instruction (J19_on), magnetic keeps
Relay J 19 contact switch action, 3 foot contacts are connected with 5 foot contacts, and 6 foot contacts are connected with 8 foot contacts, and now magnetic keeps continuing
Electricity wrapped by a group line bag of electrical equipment J18 and b group line, and magnetic latching relay J18 can normally accept telecommand and perform protection task.
If sending divided current to forbid instructing (J19_off), the 3 foot contacts of magnetic latching relay J19 are connected with 4 foot contacts, 6 foot contacts
Being connected with 7 foot contacts, a group line bag of magnetic latching relay J18 and b group line bag power-off, magnetic latching relay J18 can not normally connect
By telecommand thus cannot action.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (3)
1. a solar cell Switching Shunt protection circuit, it is characterised in that including: divided current main circuit, protection enable control
Circuit processed；Divided current main circuit includes that the protection path identical with solar cell submatrix quantity, each protection path include point
Stream metal-oxide-semiconductor Q16, protection metal-oxide-semiconductor Q17, main power flow isolating diode D1, Zener diode D2, energy dissipating resistance R11, energy dissipating
Resistance R12, current-limiting resistance R13, magnetic latching relay J18；Solar cell submatrix and main power flow isolating diode D1 positive pole
Being connected, the common port of solar cell submatrix and main power flow isolating diode D1 is connected with the drain electrode of shunting metal-oxide-semiconductor Q16, point
The source electrode of stream metal-oxide-semiconductor Q16 connects the drain electrode of protection metal-oxide-semiconductor Q17, and the driving signal of shunting metal-oxide-semiconductor Q16 accesses from grid, energy dissipating
Resistance R11 is connected between grid and the source electrode of shunting metal-oxide-semiconductor Q16；The source ground of protection metal-oxide-semiconductor Q17, grid connects magnetic to be protected
Holding contact switch one end of relay J 18, the contact switch other end of magnetic latching relay J18 passes through current-limiting resistance R13 and finger
Power supply VCC is made to be connected；Energy dissipating resistance R12 is connected between grid and the source electrode of protection metal-oxide-semiconductor Q17；Zener diode D2 is just
Pole ground connection, negative pole is connected with the grid of protection metal-oxide-semiconductor Q17；The a group line bag negative pole of magnetic latching relay J18, b group line bag negative pole
Reception external remote control instructs；Protection enables control circuit and includes the enable control access identical with divided current main circuit quantity,
Each control access includes instruction power VCC, current-limiting resistance R14, current-limiting resistance R15, magnetic latching relay J19；Magnetic keeps continuing
Common port that a group line bag positive pole of electrical equipment J18 is connected with the b group line bag positive pole of magnetic latching relay J18 and magnetic latching relay
Contact switch one end of J19 connects, and the contact switch other end of magnetic latching relay J19 is by current-limiting resistance R14 and instruction electricity
Source VCC connects；The public affairs that a group line bag positive pole of magnetic latching relay J19 is connected with the b group line bag positive pole of magnetic latching relay J19
End is connected with instruction power VCC by current-limiting resistance R15 altogether, a group line bag negative pole of magnetic latching relay J19, b group line bag negative pole
Reception external remote control instructs.
A kind of solar cell Switching Shunt protection circuit the most according to claim 1, it is characterised in that: described divided current
Main circuit also includes counter electromotive force diode D3～D6 that disappear；The counter electromotive force diode D3 negative pole that disappears connects magnetic latching relay J18
A group line bag positive pole, the counter electromotive force diode D3 positive pole that disappears connects and disappears counter electromotive force diode D4 negative pole, and disappear counter electromotive force two pole
Pipe D4 positive pole connects a group line bag negative pole of magnetic latching relay J18；The counter electromotive force diode D5 negative pole that disappears connects magnetic and keeps relay
The b group line bag positive pole of device J18, the counter electromotive force diode D5 positive pole that disappears connects the counter electromotive force diode D6 negative pole that disappears, disappears the most electronic
Gesture diode D6 positive pole connects the b group line bag negative pole of magnetic latching relay J18.
A kind of solar cell Switching Shunt protection circuit the most according to claim 1 and 2, it is characterised in that: described protection
Enable control circuit and also include counter electromotive force diode D7～D10 that disappear；The counter electromotive force diode D7 negative pole that disappears connects magnetic and keeps continuing
The a group line bag positive pole of electrical equipment J19, the counter electromotive force diode D7 positive pole that disappears connects the counter electromotive force diode D8 negative pole that disappears, and disappear anti-electricity
Kinetic potential diode D8 positive pole connects a group line bag negative pole of magnetic latching relay J19；The counter electromotive force diode D9 negative pole that disappears connects magnetic
The b group line bag positive pole of guard relay J19, the counter electromotive force diode D9 positive pole that disappears connects the counter electromotive force diode D10 negative pole that disappears,
The counter electromotive force diode D9 positive pole that disappears connects the b group line bag negative pole of magnetic latching relay J19.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610698241.7A CN106300326B (en) | 2016-08-19 | 2016-08-19 | A kind of solar cell Switching Shunt protection circuit |
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| CN201610698241.7A CN106300326B (en) | 2016-08-19 | 2016-08-19 | A kind of solar cell Switching Shunt protection circuit |
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| CN106300326B CN106300326B (en) | 2018-10-09 |
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| CN106786563A (en) * | 2017-02-24 | 2017-05-31 | 北京空间飞行器总体设计部 | A kind of autonomous switching circuit of binary channel platform power |
| CN106786999A (en) * | 2017-02-24 | 2017-05-31 | 北京空间飞行器总体设计部 | A kind of the in-orbit of lithium-ions battery shelves maintenance circuitry |
| CN110347078A (en) * | 2019-06-28 | 2019-10-18 | 上海空间电源研究所 | A kind of Mars probes independently wake up control system and method |
| CN112366792A (en) * | 2020-11-25 | 2021-02-12 | 上海空间电源研究所 | Space S4R system charging auxiliary switching circuit and S4R system with same |
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| CN106786563A (en) * | 2017-02-24 | 2017-05-31 | 北京空间飞行器总体设计部 | A kind of autonomous switching circuit of binary channel platform power |
| CN106786999A (en) * | 2017-02-24 | 2017-05-31 | 北京空间飞行器总体设计部 | A kind of the in-orbit of lithium-ions battery shelves maintenance circuitry |
| CN106786563B (en) * | 2017-02-24 | 2019-07-12 | 北京空间飞行器总体设计部 | A kind of autonomous switching circuit of binary channel platform power |
| CN106786999B (en) * | 2017-02-24 | 2019-07-12 | 北京空间飞行器总体设计部 | A kind of the in-orbit of lithium-ions battery shelves maintenance circuitry |
| CN110347078A (en) * | 2019-06-28 | 2019-10-18 | 上海空间电源研究所 | A kind of Mars probes independently wake up control system and method |
| CN110347078B (en) * | 2019-06-28 | 2022-04-12 | 上海空间电源研究所 | Mars detector autonomous wake-up control system and method |
| CN112366792A (en) * | 2020-11-25 | 2021-02-12 | 上海空间电源研究所 | Space S4R system charging auxiliary switching circuit and S4R system with same |
| CN112366792B (en) * | 2020-11-25 | 2022-10-21 | 上海空间电源研究所 | Space S4R system charging auxiliary switching circuit and S4R system with same |
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| Publication number | Publication date |
|---|---|
| CN106300326B (en) | 2018-10-09 |
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