CN109274259A - Power switch machine control method, device and application - Google Patents
Power switch machine control method, device and application Download PDFInfo
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- CN109274259A CN109274259A CN201811270753.9A CN201811270753A CN109274259A CN 109274259 A CN109274259 A CN 109274259A CN 201811270753 A CN201811270753 A CN 201811270753A CN 109274259 A CN109274259 A CN 109274259A
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- 239000003990 capacitor Substances 0.000 claims description 30
- 230000005611 electricity Effects 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0012—Control circuits using digital or numerical techniques
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Abstract
本发明提供了一种电源开关机控制方法、装置及应用，属于空间电源技术领域。所述控制方法包括：通过可编程时序控制电路发送控制信号，所述控制信号包括高电平开机信号或低电平关机信号；当所述控制信号为高电平开机信号时，导通开关模块，使控制模块切换到DC/DC模块的输出使能端并一直保持，从而使所述DC/DC模块输出二次电压；当所述控制信号为低电平关机信号时，不导通所述开关模块，使所述控制模块切换到所述DC/DC模块的禁止输出端并一直保持，从而使所述DC/DC模块不输出电压。本发明外围器件少，可靠性高，控制时间精度高，非常适合现在小型化、低功耗、轻量化的航天任务要求。解决了在控制信号为低电压情况下的多个卫星平台的依次开关机控制问题。
The invention provides a power switch control method, device and application, belonging to the technical field of space power supply. The control method includes: sending a control signal through a programmable timing control circuit, the control signal includes a high-level power-on signal or a low-level power-off signal; when the control signal is a high-level power-on signal, turning on the switch module , so that the control module switches to the output enable terminal of the DC/DC module and keeps it all the time, so that the DC/DC module outputs the secondary voltage; when the control signal is a low-level shutdown signal, the The switch module enables the control module to switch to the prohibited output terminal of the DC/DC module and keep it there, so that the DC/DC module does not output voltage. The invention has few peripheral devices, high reliability and high control time precision, and is very suitable for the requirements of space missions of miniaturization, low power consumption and light weight. It solves the problem of sequentially switching on and off multiple satellite platforms when the control signal is low voltage.
Description
Technical field
The present invention provides a kind of power switch machine control method, device and applications, belong to space power system technical field.
Background technique
The target range earth of deep space exploration is very remote, and the energy source and power problem of flying for long time is that worldwide technology is difficult
Topic, and the Mars probes later energy that lands is even more limited, therefore according to actual needs to the reasonable switching on and shutting down of on-board equipment
It controls particularly important, directly determines the working life of detector.
Existing spaceborne power switch machine control method is all relatively single from realization principle, its electricity of switching on and shutting down control circuit
Pressure amplitude degree is relatively commonly 10~12V, and perhaps 28V circuit form is that relay or optocoupler realize that control switch machine needs two
A signal.Such as document 1 " the space power system module control method for having switching on and shutting down timing requirements " (Wang An, Wu Rong, space electronic skill
Art, 2017) for the first up and then down formula substep of CCD camera on star add power-off timing control requirement, devise a kind of sequential logic
Control circuit, and theoretical analysis and calculation has been carried out, while having carried out experimental verification；A kind of " the novel DC-DC converter of document 2
Substep plus power-off control circuit " (Wang Weiguo, Liu Kecheng, Electronic Design application, 2009) article be directed to spacecraft substep
Add power-off timing requirements, propose a kind of using MOSFET pipe+operational amplifier+RC time delay network design method, and provides
Emulation data.
In document 1, on-off control method is mainly by moulds such as operational amplifier+RC time delay network+magnetic latching relays
Quasi- circuit composition, switching on and shutting down time interval mainly pass through RC time delay network and adjust；It is influenced by circuit form, switching on and shutting down timing is only
Millisecond can be reached, and control time and error to be influenced by the actuation time of magnetic latching relay, switching on and shutting down timing it is accurate
It spends not high；Document 2 mainly concatenates N-channel MOS FET pipe at DC/DC module input (loop line) to replace relay, passes through control
The on-off of MOSFET pipe processed come realize DC/DC module plus power-off control, main circuit is by MOSFET pipe+operational amplifier
The analog circuits such as+RC time delay network composition, document 2 provide method and document 1 there is a problem of it is the same, when being exactly that it adds power-off
Between be all to add RC network to control by operational amplifier, substep plus power-off timing adjustment magnitude are limited and accuracy is not high.
Summary of the invention
To overcome the deficiencies in the prior art, the present invention provides a kind of power switch machine control method, device and
Using this method control time can be set by software programming, therefore time interval and precision are controllable.The device that this method uses simultaneously
Part is less, be very suitable to the Highgrade integration of deep space exploration, miniaturization, low-power consumption requirement.
The adopted technical solution is that:
A kind of power switch machine control method, comprising:
Control signal is sent by programmable timing sequence control circuit, the control signal includes high level starting-up signal or low
Level off signal；
When the control signal is high level starting-up signal, switch module is connected, control module is made to be switched to DC/DC mould
The output enable end of block is simultaneously always maintained at, to make the DC/DC module output secondary voltage；
When the control signal is low level off signal, it is not turned on the switch module, cuts the control module
Forbidding output end and being always maintained at for the DC/DC module is changed to, to make the DC/DC module not output voltage.
In an alternative embodiment, the switch module includes filter circuit and transistor switching circuit, the filtered electrical
Road is used to filter out interference and noise on the control signal of the programmable timing sequence control circuit output, the transistor switch electricity
The low and high level for the control signal that road is used to be exported according to the filter circuit is realized conducting or is not turned on.
In an alternative embodiment, the filter circuit includes capacitor C1, C2, C3, C4, capacitor C1, C2 series connection,
And it is in parallel with described capacitor C3, C4 after connecting, one end of the capacitor C1 and the programmable timing sequence control circuit output end connect
It connects, the other end ground connection of the capacitor C2；The transistor switching circuit includes transistor Q1, resistance R1, resistance R2, described
A termination of resistance R1 is connect with the output end of the filter circuit, the base stage of another termination transistor Q1, the resistance
The base stage of a termination transistor Q1 of R2, other end ground connection, the emitter ground connection of the transistor Q1, the transistor Q1
Collector connect the input terminal of the control module.
In an alternative embodiment, the control module includes electromagnetic relay U1, diode V1, V2, resistance R3, R4,
Two groups of contact shunts of the electromagnetic relay U1, the first termination power input after described resistance R3, R4 are in parallel, the electricity
Line packet one end of the second termination electromagnetic relay U1 after hindering R3, R4 parallel connection, two groups of contacts of the electromagnetic relay U1
One after parallel connection terminates once, the enable end INHIBIT of another termination DC/DC module, the negative terminal of the diode V1
Second end after connecing resistance R3, R4 parallel connection, the negative terminal for just terminating the diode V2 of the diode V1, two pole
The other end for just terminating the electromagnetic relay U1 line packet of pipe V2.
A kind of power switch machine control device, comprising:
Programmable timing sequence control circuit, for send control signal, the control signal include high level starting-up signal or
Low level off signal；
Switch module, for being connected when the control signal is high level starting-up signal, when the control signal is low
It is not turned on when level off signal；
Control module, for being switched to the output enable end of DC/DC module and protecting always when switch module conducting
It holds, when the switch module is not turned on, is switched to forbidding output end and being always maintained at for the DC/DC module；
The DC/DC module, for when the control module is switched to the output enable end of DC/DC module and is always maintained at
When export secondary voltage, when the control module be switched to DC/DC module forbid output end and while being always maintained at, does not export electricity
Pressure.
In an alternative embodiment, the switch module includes filter circuit and transistor switching circuit, the filtered electrical
Road is used to filter out interference and noise on the control signal of the programmable timing sequence control circuit output, the transistor switch electricity
Road is for realizing conducting according to the low and high level of the control signal after the filter circuit or being not turned on.
In an alternative embodiment, the filter circuit includes capacitor C1, C2, C3, C4, capacitor C1, C2 series connection,
And it is in parallel with described capacitor C3, C4 after connecting, one end of the capacitor C1 and the programmable timing sequence control circuit output end connect
It connects, the other end ground connection of the capacitor C2；The transistor switching circuit includes transistor Q1, resistance R1, resistance R2, described
The output end of a termination filter circuit of resistance R1, the base stage of another termination transistor Q1, the one of the resistance R2
Terminate the base stage of the transistor Q1, other end ground connection, the emitter ground connection of the transistor Q1, the current collection of the transistor Q1
Pole connects the input terminal of the control module.
In an alternative embodiment, the control module is electromagnetic relay control module.
In an alternative embodiment, the electromagnetic relay module includes electromagnetic relay U1, diode V1, V2, resistance
R3, R4, two groups of contact shunts of the electromagnetic relay U1, the first termination power input after described resistance R3, R4 are in parallel,
Line packet one end of the second termination electromagnetic relay U1 after described resistance R3, R4 are in parallel, the two of the electromagnetic relay U1
One after group contact shunt terminates once, the enable end INHIBIT of another termination DC/DC module, the diode V1
Negative terminal connect described resistance R3, R4 it is in parallel after second end, the negative terminal for just terminating the diode V2 of the diode V1, institute
State the other end for just terminating the electromagnetic relay U1 line packet of diode V2.
Application of the above-mentioned power switch machine control device in spaceborne power supply.
The invention has the following advantages over the prior art:
(1) power switch machine control device provided in an embodiment of the present invention is sent out by using programmable timing sequence control circuit
Control signal is sent, which only has 3.3V, meets digital processing system low-voltage on Satellite, low-power consumption
Demand；
(2) in the case where resource is fairly limited on star, the present invention is only with a low voltage signal come control switch machine, control
Logic processed is simple, is substantially not take up system software resource；
(3) it is exported due to control signal by programmable timing sequence control circuit, control time interval can be according to software program
It is any to change, and time accuracy is high, reduces the complexity of switch designs and improves reliability；
(4) traditional analog circuit implementation anti-interference ability of the present invention is compared to be significantly increased.
Detailed description of the invention
Fig. 1 is a kind of power switch machine control device schematic diagram provided in an embodiment of the present invention；
Power switch machine control device schematic diagram on the star that Fig. 2 provides for a specific embodiment of the invention；
Fig. 3 is a kind of power switch machine control method flow chart provided in an embodiment of the present invention.
Specific embodiment
A specific embodiment of the invention is further described in detail with reference to the accompanying drawing.
Referring to Fig. 1, the embodiment of the invention provides a kind of power switch machine control devices, comprising:
Programmable timing sequence control circuit, for send control signal, the control signal include high level starting-up signal or
Low level off signal；
Switch module, for being connected when the control signal is high level starting-up signal, when the control signal is low
It is not turned on when level off signal；
Control module, for being switched to the output enable end of DC/DC module and protecting always when switch module conducting
It holds, when the switch module is not turned on, block is switched to forbidding output end and being always maintained at for the DC/DC module；
The DC/DC module, for when the control module is switched to the output enable end of DC/DC module and is always maintained at
When export secondary voltage, when the control module be switched to DC/DC module forbid output end and while being always maintained at, does not export electricity
Pressure.
Specifically, in the embodiment of the present invention, programmable timing sequence control circuit can be FPGA sequential control circuit, single-chip microcontroller
The Digital Logic programmable circuit such as sequential control circuit, the present invention are not construed as limiting；The switch module preferred crystal pipe switching molding
Block, to improve response speed；The preferred electromagnetic relay control module of control module.
The embodiment of the present invention can be applied to spaceborne power switch machine control.
Power switch machine control device provided in an embodiment of the present invention sends by using programmable timing sequence control circuit and controls
Signal processed, the control signal voltage amplitude only have 3.3V, meet the need of digital processing system low-voltage on Satellite, low-power consumption
It asks；In the case where resource is fairly limited on star, the present invention is only with a low voltage signal come control switch machine, control logic letter
It is single, substantially it is not take up system software resource；Since control signal is exported by programmable timing sequence control circuit, between the control time
Every can arbitrarily be changed according to software program, and time accuracy is high, reduces the complexity of switch designs and improves reliable
Property；Traditional analog circuit implementation anti-interference ability of the present invention is compared to be significantly increased.
Referring to fig. 2, in an alternative embodiment, the switch module includes filter circuit and transistor switching circuit, institute
State the interference on control signal of the filter circuit for filtering out the programmable timing sequence control circuit output and noise, the crystal
Pipe switching circuit is for realizing conducting according to the low and high level of the control signal after the filter circuit or being not turned on.Institute
The filter circuit stated includes capacitor C1, C2, C3, C4, described capacitor C1, C2 series connection, and after connecting with described capacitor C3, C4 simultaneously
Connection, one end of the capacitor C1 are connect with the programmable timing sequence control circuit output end, the other end ground connection of the capacitor C2；
The transistor switching circuit includes a termination filter circuit of transistor Q1, resistance R1, resistance R2, the resistance R1
Output end, the base stage of another termination transistor Q1, the base stage of a termination transistor Q1 of the resistance R2 is another
End ground connection, the emitter ground connection of the transistor Q1, the collector of the transistor Q1 connect the input terminal of the control module.This
Invention make full use of transistor as switch its be quick on the draw, the advantage that switching speed is fast, stability is high, simultaneously because its rear end
The electromagnetic relay of driving belongs to perceptual device, does not have spark in the moment that switch is opened and generates, greatly improves space flight
The safety and reliability of product.Referring to fig. 2, in an alternative embodiment, the electromagnetic relay module includes electromagnetism relay
Device U1, diode V1, V2, resistance R3, R4, two groups of contact shunts of the electromagnetic relay U1, after described resistance R3, R4 are in parallel
The first termination power input, line packet one end of the second termination electromagnetic relay U1 after described resistance R3, R4 are in parallel,
One after two groups of contact shunts of the electromagnetic relay U1 terminates once, the INHIBIT of another termination DC/DC module
Enable end, the negative terminal of the diode V1 meet the second end after resistance R3, R4 parallel connection, the positive termination institute of the diode V1
State the negative terminal of diode V2, the other end for just terminating the electromagnetic relay U1 line packet of the diode V2.The present invention passes through
Carry out switching state using electromagnetic relay, circuit implementations are simple, and switching is reliable, and universal design is strong.In combination with deep space
The miniaturization of detection, low-power consumption demand, selected electromagnetic relay is small in size, light-weight, shock resistance is good, high sensitivity, acts fastly
The advantages that, meet aerospace mission requirements, engineering applied value is high.
Referring to Fig. 3, the embodiment of the invention provides a kind of power switch machine control methods, comprising:
Step 101: control signal being sent by programmable timing sequence control circuit, the control signal includes high level booting
Signal or low level off signal；
Step 102: when the control signal is high level starting-up signal, switch module is connected, switches control module
To DC/DC module output enable end and be always maintained at, to make DC/DC module output secondary voltage；When the control
When signal is low level off signal, it is not turned on the switch module, the control module is made to be switched to the DC/DC module
Forbid output end and be always maintained at, to make the DC/DC module not output voltage.
Control method provided in an embodiment of the present invention and above-mentioned apparatus embodiment correspond, specifically describe and effect referring to
Above-mentioned apparatus embodiment, details are not described herein.
Power switch machine control method provided in an embodiment of the present invention sends by using programmable timing sequence control circuit and controls
Signal processed, the control signal voltage amplitude only have 3.3V, meet the need of digital processing system low-voltage on Satellite, low-power consumption
It asks；In the case where resource is fairly limited on star, the present invention is only with a low voltage signal come control switch machine, control logic letter
It is single, substantially it is not take up system software resource；Since control signal is exported by programmable timing sequence control circuit, between the control time
Every can arbitrarily be changed according to software program, and time accuracy is high, reduces the complexity of switch designs and improves reliable
Property；Traditional analog circuit implementation anti-interference ability of the present invention is compared to be significantly increased.
The following are a specific embodiments of the invention:
As shown in Fig. 2, the embodiment of the invention provides a kind of spaceborne power switch machine control device of low-voltage input, packet
Include FPGA sequential control circuit, transistor switching module, electromagnetic relay control module, DC/DC module and on-board equipment；
The transistor switching module includes filter circuit and transistor switching circuit, and the filter circuit includes capacitor
C1, C2, C3, C4, described capacitor C1, C2 series connection, and in parallel with described capacitor C3, C4 after connecting, one end of the capacitor C1 and
The programmable timing sequence control circuit output end connection, the other end ground connection of the capacitor C2；The transistor switching circuit
A termination logical signal input including transistor Q1, resistance R1, resistance R2, the resistance R1, another termination transistor
The base stage of Q1, the base stage of a termination transistor Q1 of the resistance R2, other end ground connection, the emitter of the transistor Q1
Ground connection, the collector of the transistor Q1 connect the input terminal of the control module；
The electromagnetic relay control module includes electromagnetic relay U1, diode V1, V2, resistance R3, R4, the electromagnetism
Two groups of contact shunts of relay U1, the first termination power input after described resistance R3, R4 are in parallel, described resistance R3, R4
Line packet one end of the second termination electromagnetic relay U1 after parallel connection, after two groups of contact shunts of the electromagnetic relay U1
Once, the enable end INHIBIT of another termination DC/DC module, the negative terminal of the diode V1 connects the electricity to one termination
Second end after hindering R3, R4 parallel connection, the negative terminal for just terminating the diode V2 of the diode V1, the diode V2 is just
Terminate the other end of the electromagnetic relay U1 line packet.
1) DC/ supplied power for when Satellite-borne High Power equipment (or the equipment for having particular/special requirement not need first to be switched on) is not switched on
The enable end of DC module is pulled in output prohibited state by electromagnetic relay control module；
2) according to space mission demand when powerful device needs to be switched on work, FPGA sequential control circuit exports one
Low voltage signal 3.3V (logic high) starting-up signal；
3) 3.3V high level enters transistor switching circuit after matched filtering circuit；
4) transistor Q1 generates pressure difference as the line packet both ends electromagnetic relay U1 after switch conduction, makes electromagnetic relay U1
Movement.
5) after electromagnetic relay U1 movement, the output enable end of contact change-over to DC/DC module is simultaneously always maintained at, DC/
DC module output end normally exports secondary voltage, and powerful device is switched at this time.
6) when powerful device needs to shut down, FPGA sequential control circuit exports a logic low 0V.
7) 0V voltage enters the base stage of transistor Q1, and transistor Q1 is not turned on as switch at this time.
8) electromagnetic relay U1 contact change-over is forbidden output end and is always maintained to DC/DC module, at this time DC/DC module
Not output voltage, powerful device shutdown.
Table 1 is the model specification of element used by the present embodiment
Wherein FPGA is the Virtex4-SX55 chip that more XILINX company is used on star；DC/DC module is to meet
The common thick-film technique module that space flight requires.
The present invention is the actual demand based on China's deep space exploration and a kind of completely new design method proposed, this method are logical
Digital Logical Circuits control sequential is crossed, using the switching characteristic of transistor, to control the contact of electromagnetic relay, is then controlled
The enable pin of DC/DC module reaches the switching on and shutting down of control relevant device.This method does not have to optocoupler, reduces space radiation wind
Danger.The signal level form of control terminal is LVTTL.The circuit peripheral device is few, high reliablity, and control time precision is high, very
It is suitble to miniaturization, low-power consumption, light-weighted mission requirements now.
Another advantage of the invention is exactly only to be carried out with a signal compared to traditional control method present invention
Switching on and shutting down control, since control logic is simple, is substantially not take up system software resource.
The above, optimal specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art the variation that can readily occur in or replaces in the technical scope that records of the present invention
It changes, should be covered by the protection scope of the present invention.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (10)
1. a kind of power switch machine control method characterized by comprising
Control signal is sent by programmable timing sequence control circuit, the control signal includes high level starting-up signal or low level
Off signal；
When the control signal is high level starting-up signal, switch module is connected, control module is made to be switched to DC/DC module
Output enable end is simultaneously always maintained at, to make the DC/DC module output secondary voltage；
When the control signal is low level off signal, it is not turned on the switch module, is switched to the control module
The DC/DC module is forbidden output end and is always maintained at, to make the DC/DC module not output voltage.
2. a kind of power switch machine control method according to claim 1, which is characterized in that the switch module includes filter
Wave circuit and transistor switching circuit, the filter circuit are used to filter out the control letter of the programmable timing sequence control circuit output
Interference and noise on number, the height electricity for the control signal that the transistor switching circuit is used to be exported according to the filter circuit
It is plain to be now connected or be not turned on.
3. a kind of spaceborne power switch machine control method according to claim 2, which is characterized in that the filter circuit
Including capacitor C1, C2, C3, C4, capacitor C1, C2 series connection, and, the capacitor C1 in parallel with described capacitor C3, C4 after series connection
One end connect with the programmable timing sequence control circuit output end, the other end of capacitor C2 ground connection；The transistor
Switching circuit includes that the output end of transistor Q1, resistance R1, a termination of resistance R2, the resistance R1 and the filter circuit connects
It connects, the base stage of another termination transistor Q1, the base stage of a termination transistor Q1 of the resistance R2, another termination
Ground, the emitter ground connection of the transistor Q1, the collector of the transistor Q1 connect the input terminal of the control module.
4. a kind of power switch machine control method according to claim 1, which is characterized in that the control module includes electricity
Magnetic relay U1, diode V1, V2, resistance R3, R4, two groups of contact shunts of the electromagnetic relay U1, described resistance R3, R4
The first termination power input after parallel connection, the line of the second termination electromagnetic relay U1 after described resistance R3, R4 are in parallel
One end is wrapped, one after two groups of contact shunts of the electromagnetic relay U1 terminates once, another termination DC/DC module
The enable end INHIBIT, the negative terminal of the diode V1 connect the second end after resistance R3, R4 parallel connection, the diode V1's
Just terminating the negative terminal of the diode V2, the other end for just terminating the electromagnetic relay U1 line packet of the diode V2.
5. a kind of power switch machine control device characterized by comprising
Programmable timing sequence control circuit, for sending control signal, the control signal includes high level starting-up signal or low electricity
Flat off signal；
Switch module, for being connected when the control signal is high level starting-up signal, when the control signal is low level
It is not turned on when off signal；
Control module, for being switched to the output enable end of DC/DC module and being always maintained at when switch module conducting,
When the switch module is not turned on, it is switched to forbidding output end and being always maintained at for the DC/DC module；
The DC/DC module, it is defeated when for being switched to the output enable end of DC/DC module when the control module and be always maintained at
Secondary voltage out, when the control module is switched to not output voltage when forbidding output end and being always maintained at of DC/DC module.
6. a kind of power switch machine control device according to claim 5, which is characterized in that the switch module includes filter
Wave circuit and transistor switching circuit, the filter circuit are used to filter out the control letter of the programmable timing sequence control circuit output
Interference and noise on number, the transistor switching circuit are used for the height according to the control signal after the filter circuit
Level is connected or is not turned on to realize.
7. a kind of power switch machine control device according to claim 6, which is characterized in that the filter circuit includes
Capacitor C1, C2, C3, C4, capacitor C1, C2 series connection, and it is in parallel with described capacitor C3, C4 after series connection, the one of the capacitor C1
End is connect with the programmable timing sequence control circuit output end, the other end ground connection of the capacitor C2；The transistor switch
Circuit includes the output end of a termination filter circuit of transistor Q1, resistance R1, resistance R2, the resistance R1, the other end
Connect the base stage of the transistor Q1, the base stage of a termination transistor Q1 of the resistance R2, other end ground connection, the crystal
The emitter of pipe Q1 is grounded, and the collector of the transistor Q1 connects the input terminal of the control module.
8. a kind of power switch machine control device according to claim 5, which is characterized in that the control module is electromagnetism
Relay control module.
9. a kind of power switch machine control device according to claim 8, which is characterized in that the electromagnetic relay module
Including electromagnetic relay U1, diode V1, V2, resistance R3, R4, two groups of contact shunts of the electromagnetic relay U1, the electricity
The first termination power input after hindering R3, R4 parallel connection, the second termination electromagnetic relay after described resistance R3, R4 are in parallel
Line packet one end of U1, the termination after two groups of contact shunts of the electromagnetic relay U1 once, another termination DC/DC
The enable end INHIBIT of module, the negative terminal of the diode V1 connect the second end after resistance R3, R4 parallel connection, two pole
The negative terminal for just terminating the diode V2 of pipe V1, the diode V2's just terminates the another of the electromagnetic relay U1 line packet
End.
10. application of the power switch machine control device that any one of claim 5-9 is provided in spaceborne power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270753.9A CN109274259B (en) | 2018-10-29 | 2018-10-29 | Power supply on-off control method, device and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811270753.9A CN109274259B (en) | 2018-10-29 | 2018-10-29 | Power supply on-off control method, device and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109274259A true CN109274259A (en) | 2019-01-25 |
| CN109274259B CN109274259B (en) | 2020-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115173697A (en) * | 2022-07-28 | 2022-10-11 | 中国电子科技集团公司第四十三研究所 | Circuit for controlling multi-path output by switch |
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| CN109274259B (en) | 2020-07-14 |
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