CN102799172A - Remote control simulator - Google Patents
Remote control simulator Download PDFInfo
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- CN102799172A CN102799172A CN2012102419896A CN201210241989A CN102799172A CN 102799172 A CN102799172 A CN 102799172A CN 2012102419896 A CN2012102419896 A CN 2012102419896A CN 201210241989 A CN201210241989 A CN 201210241989A CN 102799172 A CN102799172 A CN 102799172A
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Abstract
The invention discloses a remote control simulator which is used for transmitting remote control commands to on-satellite components during the testing of a satellite control and propulsion subsystem. The remote control simulator comprises a power-on/off monitoring circuit and a command pulse power supply control circuit. According to the remote control simulator, the time sequence of +5V and +12V powering on/off is controlled by using power monitoring chips, and the mis-transmission of remote control command pulses is guaranteed not to occur during the process of powering on/off through power supply monitoring; and meanwhile, software and hardware dual monitoring is adopted for a +12V power supply circuit of a remote control command output interface, no mis-transmission of commands exists during the process of powering on/off, the long-term work is stable and reliable, the problem of remote control command mis-transmission of the remote control simulator during the process of powering on/off is solved, and the transmission of growing remote control commands is avoided, thus excellent technical means for safety guarantee of on-satellite products are provided.
Description
Technical field
The invention belongs to satellite control propulsion subsystem ground test field, when particularly the control propulsion subsystem is tested, send the remote control simulator of telecommand to the star upper-part.
Background technology
In the satellite control propulsion subsystem ground test process, need utilize remote control simulator analog satellite telecommand subsystem to send telecommand.Sending discrete telecommand pulse width has strict demand, does not allow to occur the level that grows tall, and during operation, does not allow mistake to send instructions.Mistake sends instructions and mainly powers up and power-cut time at the remote control simulator, shown in accompanying drawing 1.Mistake send out pulse sneak path a :+5V power on be later than+12V perhaps+the 5V outage is early than+12V ,+12V gives the power supply of Q2 base stage through R1, the pulse of Q2 emitter mistake output order.
The remote control simulator that uses does not at present have the holding circuit of special, must power up to testing apparatus according to the order of operation of strictness and cuts off the power supply by the tester.Power up to testing apparatus and cut off the power supply according to strict sequential order and can only reduce the send instructions frequency of pulse of mistake, can not thoroughly eliminate mistake and send instructions, when the ground testing power supply is cut off unusually, can't avoid the mistake pulse that sends instructions; Under command pulse output triode collector and emitter short trouble, can export the command pulse that grows tall by error.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the prior art deficiency, a kind of remote control simulator that can by mistake not send out the telecommand of growing tall in the time of can by mistake not sending out pulse, work when cutting off the power supply that adds is provided.
Technical solution of the present invention is: the remote control simulator comprises power on/off supervisory circuit and command pulse power-supplying circuit; The supervisory circuit that powers on/off comprises power monitoring chip U1, U2, resistance R 1, R2, triode Q1, Q2, relay J 1, J2, diode D1, D2; The command pulse power-supplying circuit comprise single-chip microcomputer U3, logical circuit U4, monostalbe trigger M1, with a door U5, switch S 1, resistance R 3, R4, R5, R6 and triode Q3, Q4;
In the supervisory circuit that powers on/off ,+5VP connects the U1 input, and U1 output connects R1, and R1 connects Q1 base stage, Q1 grounded emitter, Q1 collector connection relay J1 coil one end, relay J 1 coil other end connection+12VP; The parallel diode D1 at J1 coil two ends, J1 relay switch one end connection+5VP, another termination of J1 relay switch U2 input; U2 output connects R2, and R2 connects Q2 base stage, Q2 grounded emitter, Q2 collector connection relay J2 coil one end, relay J 2 coil other end connection+12VP; The parallel diode D2 at J2 coil two ends, J2 relay switch one end connection+12VP, another termination switch order pulse power supply control circuit of J2 switch S1 input;
In the command pulse power-supplying circuit, single-chip microcomputer output connects and door U5, monostalbe trigger M1 and logical circuit U4; Monostable output connects and door U5; Be connected switch S 1 with door U5 output; Switch S 1 input connects the above-mentioned outage supervisory circuit output that adds, and switch S 1 output connects triode Q3 collector and R3 one end; The R3 other end connects Q3 base stage and Q4 emitter; Q4 connects logical circuit, Q4 grounded emitter through resistance R 4; The Q3 emitter connects resistance R 6 one ends, R6 other end ground connection; Resistance R 5 one ends connect the Q3 emitter, and the other end is command pulse output.
Described power monitoring chip U1, U2 can replace with voltage comparator.
Described relay J 1, J2 can replace with electronic switch.
Described triode Q1, Q2, Q3, Q4 can replace with metal-oxide-semiconductor.
Described single-chip microcomputer U3 can replace with DSP or arm processor or controller.
Described and a door U5, monostalbe trigger M1 and logical circuit U4 can replace with FPGA and realize.
The present invention compared with prior art beneficial effect is:
1. the present invention adopts power on/off supervisory circuit and command pulse power-supplying circuit array mode, utilizes power monitoring chip control+5V and+12V to power on and the sequential of cutting off the power supply, and through monitoring power supply, assurance adds when cutting off the power supply can not send out the telecommand pulse by mistake.During not sending telecommand, the telecommand output interface circuit+the 12V power supply is cut off; Utilize monostalbe trigger and scm software duplicate protection to guarantee the command pulse that grows tall that can not send simultaneously; During not sending command pulse, cut off command pulse output triode+12V power supply.
2. the present invention adopts telecommand output interface+12V feed circuit to take the dual monitoring of software and hardware, power on power process in not mistake do not send instructions, it is reliable and stable to work long hours, and the phenomenon that mistake is sent out the telecommand of growing tall occurs.Highly reliable remote control simulator has solved the problem of a mistake telecommand in the remote control simulator power process, has stopped to send the telecommand of growing tall, for guaranteeing that product safety provides the good technical means on the star.
3. remote control simulator of the present invention carries out handshake communication through bus and host computer, when the remote control simulator powers on, if the every separated 5s clock of host computer is not received remote control simulator handshake then think that the remote control simulator breaks down that host computer provides fault alarm.Like this, prevent to be in for a long time when software fault from appearring in the remote control simulator runaway condition mistake and send out discrete command.
4. the switch S 1 in the command pulse power-supplying circuit of the present invention, adhesive when sending discrete command is supplied power to interface circuit.S1 breaks off when not sending discrete command, and interface circuit does not have+the 12V power supply, and the long-term time of remote control simulator is idle condition, does not send discrete command, and not power supply of interface circuit+12V this moment just can not sent out the discrete command pulse of growing tall by mistake yet.
Description of drawings
Fig. 1 sends out pulse for existing remote control simulator mistake and produces schematic diagram;
Fig. 2 is a composition frame chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
As shown in Figure 2, remote control simulator of the present invention comprises power on/off supervisory circuit and command pulse power-supplying circuit.Wherein, the supervisory circuit that powers on/off comprises power monitoring chip U1, U2, resistance R 1, R2, triode Q1, Q2, relay J 1, J2, diode D1, D2; The command pulse power-supplying circuit comprise single-chip microcomputer U3, logical circuit U4, monostalbe trigger M1, with a door U5, switch S 1, resistance R 3, R4, R5, R6 and triode Q3, Q4.
Wherein, power monitoring chip U1, U2 can replace with voltage comparator; Relay J 1, J2 can replace with electronic switch; Triode Q1, Q2, Q3, Q4 can replace with metal-oxide-semiconductor; Single-chip microcomputer U3 can replace with DSP or arm processor or controller; Can replace with FPGA with door U5, monostalbe trigger M1 and logical circuit U4.
In the supervisory circuit that powers on/off ,+5VP connects the U1 input, and U1 output connects R1, and R1 connects Q1 base stage, Q1 grounded emitter, Q1 collector connection relay J1 coil one end, relay J 1 coil other end connection+12VP; The parallel diode D1 at J1 coil two ends, J1 relay switch one end connection+5VP, another termination of J1 relay switch U2 input; U2 output connects R2, and R2 connects Q2 base stage, Q2 grounded emitter, Q2 collector connection relay J2 coil one end, relay J 2 coil other end connection+12VP; The parallel diode D2 at J2 coil two ends, J2 relay switch one end connection+12VP, another termination switch order pulse power supply control circuit of J2 switch S1 input.
In the command pulse power-supplying circuit, single-chip microcomputer output connects and door U5, monostalbe trigger M1 and logical circuit U4; Monostable output connects and door U5; Be connected switch S 1 with door U5 output; Switch S 1 input connects the above-mentioned outage supervisory circuit output that adds, and switch S 1 output connects triode Q3 collector and R3 one end; The R3 other end connects Q3 base stage and Q4 emitter; Q4 connects logical circuit, Q4 grounded emitter through resistance R 4; The Q3 emitter connects resistance R 6 one ends, R6 other end ground connection; Resistance R 5 one ends connect the Q3 emitter, and the other end is command pulse output.
In the present embodiment, the U1 resetting voltage is Vref1, and the U2 resetting voltage is Vref2, wherein Vref1＜Vref2.+ 5VP with+12VP is a ground checkout equipment rack power supply.+ 5V and+12V are the power supplys to the power supply of remote control simulator.J1 and J2 are relay, utilize normally opened contact to give the power supply of remote control simulator.
When powering on, the last piezoelectric voltage of rack+5V is exported high level greater than power monitoring chip U1 resetting voltage behind the about 340ms of U1, relay J 1 adhesive, and highly reliable remote control simulator+5V powers on.After the J1 adhesive, power monitoring chip U2 input voltage surpasses resetting voltage very soon, about 340ms, and the J2 adhesive, highly reliable remote control simulator+12V powers on.Remote control simulator interface circuit+12V is power supply not, in this section single-chip microcomputer completion initialization in the time, can not send out the discrete command pulse by mistake.
During outage, remote control simulator+5V supplies power to drop to less than power monitoring chip U2 and resets, and the U2 output low level is ended Q2, and J2 breaks off and promptly breaks off remote control simulator interface circuit+12V, and this moment, single-chip microcomputer and logical circuit were in proper working order, guarantees can not send out pulse by mistake.Behind about 50ms, rack+5V voltage drops to power monitoring chip U1 resetting voltage, and the U1 output low level is ended Q1, and J1 breaks off and promptly cuts off remote control simulator single-chip microcomputer and logical circuit+5V.In power process, because remote control simulator interface circuit+12V is prior to+5V outage, and+when 12V had voltage, single-chip microcomputer and logical circuit were in proper working order, so in power process, can not send out the discrete command pulse by mistake.
In the present embodiment, switch S 1 adhesive when sending discrete command is supplied power to interface circuit.If do not send discrete command, then S1 breaks off, and interface circuit does not have+the 12V power supply.The long-term time of remote control simulator is idle condition, does not send discrete command, and not power supply of interface circuit+12V this moment just can not sent out the discrete command pulse of growing tall by mistake yet.
In the present embodiment, the remote control simulator carries out handshake communication through bus and host computer.When the remote control simulator powers on, if the every separated 5s clock of host computer is not received remote control simulator handshake then think that the remote control simulator breaks down that host computer provides fault alarm.Like this, prevent when software fault appears in the remote control simulator, to be in for a long time the runaway condition mistake and send out discrete command.
Certainly, each built-up circuit of the present invention is not changed under the situation of its function, the equivalent transformation that carries out or alternative also falls into protection scope of the present invention.
The undocumented technology of instructions of the present invention belongs to techniques well known.
Claims (6)
1. the remote control simulator is characterized in that: comprise power on/off supervisory circuit and command pulse power-supplying circuit; The supervisory circuit that powers on/off comprises power monitoring chip U1, U2, resistance R 1, R2, triode Q1, Q2, relay J 1, J2, diode D1, D2; The command pulse power-supplying circuit comprise single-chip microcomputer U3, logical circuit U4, monostalbe trigger M1, with a door U5, switch S 1, resistance R 3, R4, R5, R6 and triode Q3, Q4;
In the supervisory circuit that powers on/off ,+5VP connects the U1 input, and U1 output connects R1, and R1 connects Q1 base stage, Q1 grounded emitter, Q1 collector connection relay J1 coil one end, relay J 1 coil other end connection+12VP; The parallel diode D1 at J1 coil two ends, J1 relay switch one end connection+5VP, another termination of J1 relay switch U2 input; U2 output connects R2, and R2 connects Q2 base stage, Q2 grounded emitter, Q2 collector connection relay J2 coil one end, relay J 2 coil other end connection+12VP; The parallel diode D2 at J2 coil two ends, J2 relay switch one end connection+12VP, another termination switch order pulse power supply control circuit of J2 switch S1 input;
In the command pulse power-supplying circuit, single-chip microcomputer output connects and door U5, monostalbe trigger M1 and logical circuit U4; Monostable output connects and door U5; Be connected switch S 1 with door U5 output; Switch S 1 input connects the above-mentioned outage supervisory circuit output that adds, and switch S 1 output connects triode Q3 collector and R3 one end; The R3 other end connects Q3 base stage and Q4 emitter; Q4 connects logical circuit, Q4 grounded emitter through resistance R 4; The Q3 emitter connects resistance R 6 one ends, R6 other end ground connection; Resistance R 5 one ends connect the Q3 emitter, and the other end is command pulse output.
2. according to the remote control simulator of claim 1, it is characterized in that: described power monitoring chip U1, U2 can replace with voltage comparator.
3. according to the remote control simulator of claim 1, it is characterized in that: described relay J 1, J2 can replace with electronic switch.
4. according to the remote control simulator of claim 1, it is characterized in that: described triode Q1, Q2, Q3, Q4 can replace with metal-oxide-semiconductor.
5. according to the remote control simulator of claim 1, it is characterized in that: described single-chip microcomputer U3 can replace with DSP or arm processor or controller.
6. according to the remote control simulator of claim 1, it is characterized in that: described and a door U5, monostalbe trigger M1 and logical circuit U4 can replace with FPGA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210241989.6A CN102799172B (en) | 2012-07-13 | 2012-07-13 | Remote control simulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210241989.6A CN102799172B (en) | 2012-07-13 | 2012-07-13 | Remote control simulator |
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| CN102799172A true CN102799172A (en) | 2012-11-28 |
| CN102799172B CN102799172B (en) | 2015-04-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764313A (en) * | 2018-01-24 | 2018-03-06 | 深圳航天东方红海特卫星有限公司 | A kind of tiny satellite star upper-part intelligent test system |
| CN110247696A (en) * | 2019-05-27 | 2019-09-17 | 中国空间技术研究院 | A kind of telecommunication satellite telecommand interface detection circuit and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201118263Y (en) * | 2007-11-05 | 2008-09-17 | 深圳艾科创新微电子有限公司 | Detection circuit for duplicate supply system |
| CN101515796A (en) * | 2009-04-02 | 2009-08-26 | 钜泉光电科技（上海）有限公司 | Digital signal noise filtering device |
| CN201541247U (en) * | 2009-11-20 | 2010-08-04 | 中兴通讯股份有限公司 | Power-on reset device of integrated circuit chip |
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2012
- 2012-07-13 CN CN201210241989.6A patent/CN102799172B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118263Y (en) * | 2007-11-05 | 2008-09-17 | 深圳艾科创新微电子有限公司 | Detection circuit for duplicate supply system |
| CN101515796A (en) * | 2009-04-02 | 2009-08-26 | 钜泉光电科技（上海）有限公司 | Digital signal noise filtering device |
| CN201541247U (en) * | 2009-11-20 | 2010-08-04 | 中兴通讯股份有限公司 | Power-on reset device of integrated circuit chip |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764313A (en) * | 2018-01-24 | 2018-03-06 | 深圳航天东方红海特卫星有限公司 | A kind of tiny satellite star upper-part intelligent test system |
| CN110247696A (en) * | 2019-05-27 | 2019-09-17 | 中国空间技术研究院 | A kind of telecommunication satellite telecommand interface detection circuit and method |
| CN110247696B (en) * | 2019-05-27 | 2021-11-16 | 中国空间技术研究院 | Communication satellite remote control instruction interface detection circuit and method |
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| Publication number | Publication date |
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| CN102799172B (en) | 2015-04-22 |
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