CN107291121A - Satellite observing and controlling temperature technique implementation method - Google Patents
Satellite observing and controlling temperature technique implementation method Download PDFInfo
- Publication number
- CN107291121A CN107291121A CN201710527106.0A CN201710527106A CN107291121A CN 107291121 A CN107291121 A CN 107291121A CN 201710527106 A CN201710527106 A CN 201710527106A CN 107291121 A CN107291121 A CN 107291121A
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- CN
- China
- Prior art keywords
- heater
- judges whether
- next step
- fpga
- instruction
- Prior art date
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
Abstract
The invention discloses a kind of satellite observing and controlling temperature technique implementation method, it includes following two parts：Temperature acquisition part, when monitoring temperature acquisition enabling signal and remote measurement clock signal for FPGA, switching thermistor passage completes A/D conversions, and by frame head, temperature data, communications status, verify and wait data order to load the process that parallel series is sent；Heater control unit point, when monitoring remote control note number clock and serial note number instruction for FPGA, order reads serial note number instruction, and the process that parsing decoding performs heater button control is carried out to instruction.The present invention realizes that temperature acquisition and heater add the control of power-off using FPGA products, and FPGA control multidiameter option switch orders switch and complete the A/D conversions of respective channel；FPGA carries out judgement parsing to heater button command information, and right instructions are exported controls corresponding Darlington drive circuit to add power-off to heater to data latches.
Description
Technical field
The present invention relates to a kind of observing and controlling temperature technique implementation method, more particularly to a kind of satellite observing and controlling temperature technique realization side
Method.
Background technology
Traditional Satellite TT temperature equipment integrating generally carries out temperature using single-chip microcomputer or CPU (central processing unit) by software
Degree collection and heater add power-off control.Because single-particle inversion may occur for the particularity of space environment, running software is caused
A lot of similar incidents occurred for abnormal risk, satellite in orbit, and operation normal to satellite is adversely affected.A kind of energy is studied for this
Enough technologies for carrying out observing and controlling temperature without software are necessary.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of satellite observing and controlling temperature technique implementation method, and it uses FPGA
Product realizes that temperature acquisition and heater add the control of power-off, and FPGA control multidiameter option switch orders switch and complete corresponding logical
The A/D conversions in road；FPGA carries out judgement parsing to heater button command information, and right instructions are exported to data latches
Corresponding Darlington drive circuit is controlled to add power-off to heater；Conventional satellite is solved using single-chip microcomputer or CPU by software to enter
The problem of row observing and controlling temperature reliability is easily affected by environment, improves the reliability of satellite observing and controlling temperature technique, reduces development cost.
The present invention also provides a kind of satellite observing and controlling temperature technique implementation method, and it includes following two parts：
Temperature acquisition part, when monitoring temperature acquisition enabling signal and remote measurement clock signal for FPGA, switches temperature-sensitive
Resistance via complete A/D conversion, and by frame head, temperature data, communications status, verify and wait data order load parallel series send
The process gone out；
Heater control unit point, when monitoring remote control note number clock and serial note number instruction for FPGA, order reads string
Row note number instruction, and the process that parsing decoding performs heater button control is carried out to instruction.
Preferably, the temperature acquisition part comprises the following steps：
Step one, monitor after start-up temperature collection signal and remote measurement clock signal, judge whether gate is effective, is to turn
Next step, otherwise goes to step one；
Step 2, frame head is loaded into shift register and sent；
Step 3, order switching thermistor passage completes A/D and is converted into temperature data, judges whether that conversion is finished, is
Then turn next step, otherwise repeat step three；
Step 4, judges whether shift register moves sky, is, turns next step, otherwise goes to step three；
Step 5, enters shift register by heater command communication state load and calculates, verifies and send；
Step 6, judges whether shift register moves sky, is, turns next step, otherwise goes to step five；
Step 7, will verify and loads into shift register and send；
Step 8, judges whether shift register moves sky, is, turns next step, otherwise goes to step seven；
Step 9, loading AAAAH enters shift register, judges whether gate is effective, is to turn next step, otherwise goes to step
Eight；
Step 10, power cut-off.
Preferably, the heater control unit point comprises the following steps：
Step 2 ten, starts control circuit for heater；
Step 2 11, judges whether remote control injection clock is normal, is to turn next step, otherwise resets serioparallel exchange mould
Block；
Step 2 12, serioparallel exchange simultaneously sends note number pass signal, judges whether note number succeeds, is to turn next step,
Otherwise power cut-off；
Whether step 2 13, decision instruction checksum validation is correct, is, performs next step, otherwise puts communication abnormality mark
Will signal；
Step 2 14, judges whether fully closed instruction, otherwise performs next step, be, communication abnormality marking signal is reset
And close institute's having heaters；
Step 2 15, analysis instruction, output heater button command information is controlled into respective channel data latches
Heater button is acted；
Step 2 16, power cut-off.
The positive effect of the present invention is：The present invention realizes that temperature acquisition and heater add power-off using FPGA products
Control, FPGA control multidiameter option switch order switch and complete respective channel A/D conversion；FPGA refers to heater button
Make information carry out judgement parsing, and right instructions are exported to the corresponding Darlington drive circuit of data latches control to heater
Plus power-off；Solve conventional satellite and carry out that observing and controlling temperature reliability is easily affected by environment to ask by software using single-chip microcomputer or CPU
Topic, improves the reliability of satellite observing and controlling temperature technique, reduces development cost.
Brief description of the drawings
Fig. 1 is system framework figure of the invention.
Fig. 2 is temperature acquisition flow chart of the invention.
Fig. 3 is heater control flow chart of the invention.
Embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
Satellite of the present invention includes following two parts with observing and controlling temperature technique implementation method：
Temperature acquisition part, temperature acquisition enabling signal (remote measurement gate) and remote measurement clock signal are monitored for FPGA
When, switching thermistor passage completes A/D conversions, and by frame head, temperature data, communications status, verify and wait data order to add
Carry the process that parallel series is sent；
Heater control unit point, when monitoring remote control note number clock and serial note number instruction for FPGA, order reads string
Row note number instruction, and the process that parsing decoding performs heater button control is carried out to instruction.
As shown in Fig. 2 temperature acquisition part comprises the following steps：
Step one, monitor that start-up temperature is gathered after signal (remote measurement gate) and remote measurement clock signal, whether judge gate
Effectively, it is to turn next step, otherwise goes to step one；
Step 2, frame head is loaded into shift register and sent；
Step 3, order switching thermistor passage completes A/D and is converted into temperature data, judges whether that conversion is finished, is
Then turn next step, otherwise repeat step three；
Step 4, judges whether shift register moves sky, is, turns next step, otherwise goes to step three；
Step 5, enters shift register by heater command communication state load and calculates, verifies and send；
Step 6, judges whether shift register moves sky, is, turns next step, otherwise goes to step five；
Step 7, will verify and loads into shift register and send；
Step 8, judges whether shift register moves sky, is, turns next step, otherwise goes to step seven；
Step 9, is loaded into shift register, judges whether gate is effective, is to turn next step, otherwise goes to step eight；
Step 10, power cut-off.
As shown in figure 3, heater control unit point comprises the following steps：
Step 2 ten, starts control circuit for heater；
Step 2 11, judges whether remote control injection clock is normal, is to turn next step, otherwise resets serioparallel exchange mould
Block；
Step 2 12, serioparallel exchange simultaneously sends note number pass signal, judges whether note number succeeds, is to turn next step,
Otherwise power cut-off；
Whether step 2 13, decision instruction checksum validation is correct, is, performs next step, otherwise puts communication abnormality mark
Will signal；
Step 2 14, judges whether fully closed instruction, otherwise performs next step, be, communication abnormality marking signal is reset
And close institute's having heaters；
Step 2 15, analysis instruction, output heater button command information is controlled into respective channel data latches
Heater button is acted；
Step 2 16, power cut-off.
Particular embodiments described above, technical problem, technical scheme and beneficial effect to the solution of the present invention are carried out
It is further described, should be understood that the specific embodiment that the foregoing is only of the invention, be not limited to
The present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. should be included in this
Within the protection domain of invention.
Claims (3)
1. a kind of satellite observing and controlling temperature technique implementation method, it is characterised in that it includes following two parts：
Temperature acquisition part, when monitoring temperature acquisition enabling signal and remote measurement clock signal for FPGA, switches thermistor
Passage complete A/D conversion, and by frame head, temperature data, communications status, verify and wait data order load parallel series send
Process；
Heater control unit point, when monitoring remote control note number clock and serial note number instruction for FPGA, order reads serial note
Number instruction, and the process that parsing decoding performs heater button control is carried out to instruction.
2. satellite as claimed in claim 1 observing and controlling temperature technique implementation method, it is characterised in that the temperature acquisition part bag
Include following steps：
Step one, monitor after start-up temperature collection signal and remote measurement clock signal, judge whether gate is effective, is to turn next
Step, otherwise goes to step one；
Step 2, frame head is loaded into shift register and sent；
Step 3, order switching thermistor passage completes A/D and is converted into temperature data, judges whether that conversion is finished, is, turns
Next step, otherwise repeat step three；
Step 4, judges whether shift register moves sky, is, turns next step, otherwise goes to step three；
Step 5, enters shift register by heater command communication state load and calculates, verifies and send；
Step 6, judges whether shift register moves sky, is, turns next step, otherwise goes to step five；
Step 7, will verify and loads into shift register and send；
Step 8, judges whether shift register moves sky, is, turns next step, otherwise goes to step seven；
Step 9, loading AAAAH enters shift register, judges whether gate is effective, is to turn next step, otherwise goes to step eight；
Step 10, power cut-off.
3. satellite as claimed in claim 1 observing and controlling temperature technique implementation method, it is characterised in that the heater control unit point
Comprise the following steps：
Step 2 ten, starts control circuit for heater；
Step 2 11, judges whether remote control injection clock is normal, is to turn next step, otherwise resets serioparallel exchange module；
Step 2 12, serioparallel exchange simultaneously sends note number pass signal, judges whether note number succeeds, is to turn next step, otherwise
Power cut-off；
Whether step 2 13, decision instruction checksum validation is correct, is, performs next step, otherwise puts communication abnormality mark letter
Number；
Step 2 14, judges whether fully closed instruction, otherwise performs next step, be, communication abnormality marking signal is reset and closed
Close institute's having heaters；
Step 2 15, analysis instruction, output heater button command information controls heating into respective channel data latches
Device switch motion；
Step 2 16, power cut-off.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710527106.0A CN107291121A (en) | 2017-06-30 | 2017-06-30 | Satellite observing and controlling temperature technique implementation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710527106.0A CN107291121A (en) | 2017-06-30 | 2017-06-30 | Satellite observing and controlling temperature technique implementation method |
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| CN107291121A true CN107291121A (en) | 2017-10-24 |
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| CN201710527106.0A Pending CN107291121A (en) | 2017-06-30 | 2017-06-30 | Satellite observing and controlling temperature technique implementation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873969A (en) * | 2018-08-15 | 2018-11-23 | 北京空间飞行器总体设计部 | A kind of distribution temperature-controlling system |
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| CN103149860A (en) * | 2013-01-30 | 2013-06-12 | 北京空间机电研究所 | Power up-off control system of refrigeration infrared detector |
| CN106444343A (en) * | 2016-11-28 | 2017-02-22 | 中国科学院武汉物理与数学研究所 | Digital control circuit device for micro atomic clock and control method for micro atomic clock |
| CN106500853A (en) * | 2016-10-09 | 2017-03-15 | 南京理工大学 | A kind of wide-range high-accuracy infrared double color temperature measurer based on multisensor |
| CN106527523A (en) * | 2016-11-29 | 2017-03-22 | 中国科学院长春光学精密机械与物理研究所 | Matrix type active temperature acquisition control system and acquisition control method for space camera |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6390672B1 (en) * | 2000-01-20 | 2002-05-21 | Harris Corporation | Space vehicle with temperature sensitive oscillator and associated method of sensing temperature in space |
| CN102624439A (en) * | 2012-03-16 | 2012-08-01 | 浙江大学 | Integrated detection equipment for pico-satellite |
| CN103149860A (en) * | 2013-01-30 | 2013-06-12 | 北京空间机电研究所 | Power up-off control system of refrigeration infrared detector |
| CN106500853A (en) * | 2016-10-09 | 2017-03-15 | 南京理工大学 | A kind of wide-range high-accuracy infrared double color temperature measurer based on multisensor |
| CN106444343A (en) * | 2016-11-28 | 2017-02-22 | 中国科学院武汉物理与数学研究所 | Digital control circuit device for micro atomic clock and control method for micro atomic clock |
| CN106527523A (en) * | 2016-11-29 | 2017-03-22 | 中国科学院长春光学精密机械与物理研究所 | Matrix type active temperature acquisition control system and acquisition control method for space camera |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108873969A (en) * | 2018-08-15 | 2018-11-23 | 北京空间飞行器总体设计部 | A kind of distribution temperature-controlling system |
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Application publication date: 20171024 |
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