CN106441561B - A kind of infrared circuit system of miniaturization swing - Google Patents
A kind of infrared circuit system of miniaturization swing Download PDFInfo
- Publication number
- CN106441561B CN106441561B CN201610797717.2A CN201610797717A CN106441561B CN 106441561 B CN106441561 B CN 106441561B CN 201610797717 A CN201610797717 A CN 201610797717A CN 106441561 B CN106441561 B CN 106441561B
- Authority
- CN
- China
- Prior art keywords
- signal
- earth
- gate
- circuit
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012545 processing Methods 0.000 claims abstract description 37
- 239000000523 sample Substances 0.000 claims abstract description 28
- 230000003534 oscillatory effect Effects 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 46
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 35
- 230000003321 amplification Effects 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 25
- 230000005669 field effect Effects 0.000 claims description 21
- 238000010408 sweeping Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 11
- 230000035515 penetration Effects 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 210000001367 artery Anatomy 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 210000003462 vein Anatomy 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 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 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/02—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by astronomical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/24—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for cosmonautical navigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0214—Constructional arrangements for removing stray light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
- G01J2005/065—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by shielding
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Astronomy & Astrophysics (AREA)
- Automation & Control Theory (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
A kind of infrared circuit system of miniaturization swing, including earth probe assembly, oscillatory scanning shafting component, analog channel component, bias supply and electric-motor drive unit, Output Interface Control unit, Logical processing unit, grating encoder control circuit, dedicated secondary DC/DC power supply module, bias supply and electric-motor drive unit include bias supply and filter circuit, motor drive module, sinusoidal oscillator, swing-scanning control route, and Output Interface Control unit includes test interface route, remote-control romote-sensing interface driver route.The present invention passes through Logical processing unit, the Collaborative Control of grating encoder control circuit, realize the control to pendulum mirror amplitude of fluctuation, posture information sufficiently, effectively can be calculated using the swinging signal and earth probe assembly output signal of pendulum mirror compared with prior art, there is preferable applicability.
Description
Technical field
The present invention relates to control circuit technology, especially a kind of miniaturization swings infrared circuit system.
Background technique
Infrared earth sensor is that the difference of the infra-red radiation by the measurement earth and sky obtains spacecraft attitude letter
A kind of optical gauge of breath generally can be divided into conical scanning formula, oscillatory scanning formula, frontier tracing formula and static infrared type,
Oscillatory scanning infrared earth sensor is mainly made of optical head, sensor, mechanical scanning component and signal processing.
Traditional swing type infrared earth sensor main structure is separated with power supply, and weight is larger and occupied space
Greatly, micro- when interference noise is larger in addition, the circuit system of traditional wobble formula infrared earth sensor does not have interference protection measure
What weak signal was subject to is affected.
Summary of the invention
Technical problem solved by the present invention is having overcome the deficiencies of the prior art and provide a kind of infrared electricity of miniaturization swing
Road system, solves existing swing type infrared earth sensor circuit system weight and occupied space is big, lacks anti-interference arrange
The problem of applying.
The technical solution of the invention is as follows: a kind of infrared circuit system of miniaturization swing, including earth probe assembly, pendulum
Dynamic scan axis module, analog channel component, bias supply and electric-motor drive unit, Output Interface Control unit, logical process
Unit, grating encoder control circuit, dedicated secondary DC/DC power supply module；Bias supply and electric-motor drive unit include biasing
Power supply and filter circuit, motor drive module, sinusoidal oscillator, swing-scanning control route；Output Interface Control unit includes test
Interface circuit, remote-control romote-sensing interface driver route；
Earth probe assembly, including 4 earth probes, each earth probe detection infrared image simultaneously export earth wave signal；
The level of the earth wave signal changes with the energy variation of infrared image；
Analog channel component, including 4 identical analog channels of body function, each analog channel believe earth wave
Number by filtering, amplification and differential process, by signal after differential process carry out peak holding, after half peak value with obtaining 2 tunnels
Ball passes through pulse signal to Logical processing unit, will obtain after Schmidt ground string signal to patrolling by signal after differential process
Collect processing unit；
Bias supply and filter circuit provide pressure stabilizing bias supply to earth probe assembly, analog channel；
Oscillatory scanning shafting component includes pendulum mirror, motor；Motor driven is put mirror and is swung, and pendulum mirror projects the infrared image of the earth
Onto the visual field of earth probe assembly；
Grating encoder control circuit, measures swing speed of the motor with movable pendulum mirror and direction, and generation is loaded with swing speed
CLK pulse signal, swaying direction signal, the reference pulse signal of information are exported to Logical processing unit, and by CLK pulse signal
Swing-scanning control route is fed back to swaying direction signal；The reference pulse signal is zero that motor is swung with movable pendulum mirror
Position information；
Logical processing unit receives CLK pulse signal, swaying direction signal, reference pulse signal, the 8 road earth and passes through arteries and veins
Signal, 4 roads ground string signal are rushed, the 32 bit string codes and ground for being loaded with attitude of satellite information are generated after logical process and Attitude Calculation
There is signal in ball, and is sent to remote-control romote-sensing interface driver route, also the remote control of reception remote-control romote-sensing interface driver route transmission
Order, by test interface circuit output it is wide/narrow scan status signal gives swing-scanning control route；There is signal in the earth
Level signal, when visual field of the earth in earth probe assembly, it is high level that signal, which occurs, in the earth, when the earth is not popped one's head in the earth
When the visual field of component, it is low level that signal, which occurs, in the earth；The width/narrow scan status signal respectively corresponds infrared earth sensitivity
The width of device sweeps, narrow sweeps two kinds of working conditions being scanned to the earth, wherein when infrared earth sensor because of motor driven mould
When the corresponding sweeping angle of the driving of block is greater than sweeping threshold value, infrared earth sensor is that width sweeps working condition, works as infrared earth
For sensor because when the corresponding sweeping angle of driving of motor drive module is no more than threshold value is swept, infrared earth sensor is narrow
Working condition is swept, the sweeping threshold value is positive number；If infrared earth sensor is located at width when sweeping working condition, infraredly
Ball sensor control unit is produced as low level width/narrow scan status signal, if infrared earth sensor sweeps work positioned at narrow
When making state, then infrared earth sensor control unit is produced as width/narrow scan status signal of high level；
Remote-control romote-sensing interface driver route receives and is loaded with that 32 bit string codes of attitude of satellite information, that signal occurs in the earth is laggard
It send after line level conversion, serioparallel exchange to outer computer；The laggard line level of remote control command that outer computer is sent is received to turn
It changes, sent after serioparallel exchange to a volume processing unit；
Swing-scanning control route receives width/narrow scan status signal, CLK pulse signal, swaying direction signal, reference pulse
It is generated after signal and sends two-way feedback signal to motor drive module；
Sinusoidal oscillator generates sinusoidal signal, exports to motor drive module；
Motor drive module drives according to motor in sinusoidal signal, two-way feedback signal driving oscillatory scanning shafting component
Mirror is put to swing；
Dedicated secondary DC/DC power supply module is bias supply and motor driven list by test interface route as transferring
Member, Logical processing unit, grating encoder control circuit, analog channel provide power supply.
The analog channel includes preposition pre-arcing road, pre-amplification circuit, differentiating amplifier, penetration management route；
Earth wave signal is filtered after preposition pre-arcing road, pre-amplification circuit cascade, is amplified, differentiating amplifier pair
Filtering, amplified earth wave signal carry out differential enhanced processing and obtain differential signal, penetration management route to differential signal into
The 2 road earth are obtained after row peak holding, half peak value and pass through pulse signal, are obtained after carrying out Schmidt to differential signal
Ground string signal.
The preposition pre-arcing road include a pair of of technotron to pipe, first order amplifier 332, resistance R303,
R304, R305, R306, a pair of of technotron to pipe include field-effect to pipe 331-A, field-effect to pipe 331-B；Field-effect
To the grounded-grid ball wave signal of pipe 331-A, field-effect connects bias supply and filtering by resistance R303 to the drain electrode of pipe 331-A
The drain electrode of circuit, 331-B connects bias supply and filter circuit by resistance R304, and the drain electrode of 331-B passes through resistance R303 respectively
It is connected with R304 with the positive supply VCC that bias supply and filter circuit provide, field-effect connects the first order to the drain electrode of pipe 331-A and puts
The negative input of big device 332, the drain electrode of 331-B connect the positive input of first order amplifier 332, and field-effect is to pipe 331-A
Source electrode connect the source electrode of 331-B, field-effect connects bias supply and filtering by resistance R302 to the common end of pipe 331-A, 331-B
Circuit, the grid of 331-B distinguish the one end connecting resistance R305, the one end R306, resistance R306 ground connection, another termination first of resistance R305
Output end, the pre-amplification circuit of grade amplifier 332.
The pre-amplification circuit includes capacitor C33, C34, resistance R307, R308, R309, second level amplifier 333；
The positive input that preposition pre-arcing road output connects second level amplifier 333 through capacitor C33 is connected, second level amplifier 333
Positive input is grounded by resistance R307, and the negative input of second level amplifier 333 connects the one end C34, the one end R309, resistance
The one end R308, R308 other end ground connection, the output end of another termination second level amplifier 333 of the C34 other end, R309, the second level
The output of amplifier 333 terminates differential amplifier circuit.
The differential amplifier circuit includes capacitor C35, C36, resistance R310, R311, R312, R313, third level amplification
Device 334；Capacitor C35 mono- terminates pre-amplification circuit, the one end another terminating resistor R310, the one end R311, and the R310 other end is grounded,
Another 334 negative input of termination third level amplifier of R311, the one end C36, the one end R312, another termination of the C36 other end, R312
The positive input of 334 output end of third level amplifier, third level amplifier 334 is grounded by resistance R313, third level amplification
The output termination penetration management route of device 334.
The preposition pre-arcing road on first circuit board, pre-amplification circuit on the second circuit board；First circuit
Installation through-hole, the route that plate and second circuit board are equipped with earth probe assembly walk line three-way hole, outside first circuit board, second circuit board
It is covered with shielding box.
The grating encoder control circuit includes angle measurement grating encoding device assembly, grating amplification and shaping circuit；It surveys
Grating encoding device assembly in angle measures swing speed of the motor with movable pendulum mirror and direction, generates grating signal CLKA, grating signal
CLKB, reference signal are simultaneously sent to grating amplification and shaping circuit；Grating amplification and shaping circuit, by grating signal CLKA, grating
Signal CLKB carries out 4 process of frequency multiplication, obtains being loaded with the CLK pulse signal of swing speed, swaying direction signal, while believing benchmark
Number carry out shaping, obtain reference pulse signal, CLK pulse signal, swaying direction signal, reference pulse signal sent to logic
Unit is managed, CLK pulse signal and swaying direction signal are fed back into swing-scanning control route；The clock signal clk A, clock
Signal CLKB is the two-way grating signal that phase difference is 90 °, and reference signal is the light generated by the optical signal in zero-bit groove area
Gate signal.
The swing-scanning control route includes capacitor C601, capacitor C602, capacitor C603, capacitor C604, resistance R601, electricity
Hinder R602, resistance R603, resistance R604, XOR gate 601, XOR gate 602, XOR gate 603, XOR gate 604, nor gate 605 or
NOT gate 606, nor gate 607, nor gate 610, nor gate 611, nor gate 612, monostable flipflop 608, monostable flipflop
609；
CLK pulse signal connects 601 input terminal of XOR gate, another input end grounding of XOR gate 601,601 output end of XOR gate
Connect 602 input terminal of XOR gate, 601 output end of XOR gate connects another input terminal of XOR gate 602 by resistance R601, resistance R601 with
602 tie point of XOR gate is grounded by capacitor C601, and swaying direction signal connects 603 input terminal of XOR gate, and XOR gate 603 is another defeated
Enter end ground connection, output termination 604 input terminal of XOR gate of XOR gate 603,603 output end of XOR gate connects XOR gate by resistance R602
604 another input terminals, resistance R602 are grounded with 604 tie point of XOR gate by capacitor C602,602 output end of XOR gate, exclusive or
604 output ends of door are respectively connected to two input terminals of nor gate 605, and one of the input termination nor gate 606 of nor gate 605 is defeated
Enter an input terminal at end, nor gate 607, wide/narrow another input terminal swept status signal and connect nor gate 606, by reverse phase
Wide/narrow another input terminal swept status signal and connect nor gate 607 of device reverse phase, the output end order stable state touching of nor gate 606
The positive pulse for sending out device 608 triggers input terminal A, and the negative pulse triggering input terminal B of monostable flipflop 608 connects positive voltage, reset terminal
CLR connects positive voltage, and the external resistance terminal RC of monostable flipflop 608 connects positive voltage, steady by capacitor C603 order by R603
The external capacitor end C of state trigger 608, the pulse output end Q of monostable flipflop 608 connect an input terminal of nor gate 610,
The positive pulse of the output end order steady state trigger 609 of nor gate 607 triggers input terminal A, the negative pulse of monostable flipflop 609
Input terminal B connects positive voltage, reset terminal CLR connects positive voltage for triggering, and the external resistance terminal RC of monostable flipflop 609 is connect by R604
Positive voltage passes through the external capacitor end C of capacitor C604 order steady state trigger 609, the pulse output end of monostable flipflop 609
Q connects another input terminal of nor gate 610, and the output of nor gate 610 terminates one end of one end of nor gate 611, nor gate 612,
611 other end of nor gate exports the first feedback signal, and nor gate 612 exports the second feedback signal.
The reception CLK pulse signal, swaying direction signal, reference pulse signal, the 8 road earth pass through pulse signal, 4
Road string signal method that attitude of satellite information is generated after logical process and Attitude Calculation include the following steps:
(1) enable the 8 road earth pass through pulse signal, swaying direction signal, reference pulse signal by rest-set flip-flop circuit into
Row comparison and timing sampling processing respectively obtain first via analog channel and simulate on the position A ' of earth maximum cross-section, the second tunnel
Channel, which is simulated in the position B ' of earth maximum cross-section, third road analog channel on the position C ' of earth maximum cross-section, the 4th tunnel, to be led to
Position D ' of the road in earth maximum cross-section；
(2) rising edge for obtaining reference pulse signal goes out current moment first via analog channel in the position of earth maximum cross-section
A, the second tunnel analog channel obtains the failing edge moment third road simulation of reference pulse signal in the position B of earth maximum cross-section
Channel the position C of earth maximum cross-section, the 4th tunnel analog channel earth maximum cross-section position D；The position A ',
B ', C ', D ', A, B, C, D coordinate system be using the earth's core as origin, the two-dimensional Cartesian coordinate system established in earth maximum cross-section；
(3) subtraction is carried out to position A ', A and obtains Δ A, subtraction is carried out to position B ', B and obtains Δ B, to position
C ', C carry out subtraction and obtain Δ C, carry out subtraction to position D ', D and obtain Δ D, then using CLK pulse signal in terms of
Number clock, by level signal Δ A, Δ B, Δ C, the level signal of Δ D is converted into the angle equivalent value using grating as digit；
(3) according to formula P=(Δ A+ Δ C)/2=(Δ B+ Δ D)/2=((Δ A+ Δ C)/2+ (Δ B+ Δ D)/2)/2, R
=(Δ B- Δ A)/2=(Δ C- Δ D)/2=((Δ B- Δ A)/2+ (Δ C- Δ D)/2)/2, is calculated attitude of satellite information
In pitch attitude angle P, roll attitude angle R.
The advantages of the present invention over the prior art are that:
(1) present invention is realized by Logical processing unit, the Collaborative Control of grating encoder control circuit to pendulum mirror pendulum
The control of dynamic amplitude can sufficiently, effectively utilize the swinging signal of pendulum mirror and earth probe assembly defeated compared with prior art
Signal calculates posture information out, has preferable applicability；
(2) present invention passes through bias supply and wave filtering wire by the power supply VCC to preposition pre-arcing road, pre-amplification circuit
The series connection on road tracks and filtering processing, reduces power supply noise；
(3) circuit system of the present invention compared with prior art, by by small-signal enhanced processing first circuit board and
Two circuit boards are placed in a shielding box, improve the interference free performance of circuit system；
(4) compared with prior art, the present invention by using based on technotron on preposition pre-arcing road to pipe knot
The preamplifier of structure further reduced the noise and power consumption of circuit system of the present invention, realizes and inhibits ratio to the high of interference,
Solves multichannel infrared earth Detection of Weak Signals problem.
Detailed description of the invention
Fig. 1 is circuit system composition block diagram of the present invention；
Fig. 2 is the present invention to pipe structure three-stage cascade analog channel schematic diagram；
Fig. 3 is electrode drive module circuit diagram of the present invention；
Fig. 4 is the dedicated secondary DC/DC power supply module distribution map of the present invention.
Specific embodiment
In view of the deficiencies of the prior art, the present invention proposes a kind of miniaturizations to swing infrared circuit system, passes through logical process
The Collaborative Control of unit, grating encoder control circuit realizes the control to pendulum mirror amplitude of fluctuation, by preposition pre-arcing
Road, pre-amplification circuit power supply VCC by the series connection tracking and filtering processing of bias supply and filter circuit, reduce power supply
Noise further reduced by using based on technotron on preposition pre-arcing road to the preamplifier of pipe structure
Noise and power consumption realize the high of interference and inhibit ratio, circuit system of the present invention is described in detail with reference to the accompanying drawing.
A kind of miniaturization of the present invention as shown in Figure 1 swings infrared circuit system, including earth probe assembly, oscillatory scanning axis
Module, analog channel component, bias supply and electric-motor drive unit, Output Interface Control unit, Logical processing unit, grating
Encoder control circuit, dedicated secondary DC/DC power supply module；Bias supply and electric-motor drive unit include bias supply and filtering
Route, motor drive module, sinusoidal oscillator, swing-scanning control route；Output Interface Control unit includes test interface route, distant
Control telemetry interface driver circuit.
Earth probe assembly, including 4 earth probes, each earth probe detection infrared image simultaneously export earth wave signal；
The level of the earth wave signal changes with the energy variation of infrared image.
Fig. 2 is the present invention to pipe structure three-stage cascade analog channel schematic diagram, analog channel component, including 4 mechanism function
The identical analog channel of energy, earth wave signal is passed through filtering, amplification and differential process by each analog channel, at differential
The 2 road earth, which are obtained, after signal progress peak holding, half peak value after reason passes through pulse signal to Logical processing unit, by differential
Signal obtains ground string signal to Logical processing unit after carrying out Schmidt after processing.
Bias supply and filter circuit provide pressure stabilizing bias supply to earth probe assembly, analog channel.
Oscillatory scanning shafting component includes pendulum mirror, motor；Motor driven is put mirror and is swung, and pendulum mirror projects the infrared image of the earth
Onto the visual field of earth probe assembly；
Grating encoder control circuit, measures swing speed of the motor with movable pendulum mirror and direction, and generation is loaded with swing speed
CLK pulse signal, swaying direction signal, the reference pulse signal of information are exported to Logical processing unit, and by CLK pulse signal
Swing-scanning control route is fed back to swaying direction signal；The reference pulse signal is zero that motor is swung with movable pendulum mirror
Position information；
Logical processing unit receives CLK pulse signal, swaying direction signal, reference pulse signal, the 8 road earth and passes through arteries and veins
Signal, 4 roads ground string signal are rushed, the 32 bit string codes and ground for being loaded with attitude of satellite information are generated after logical process and Attitude Calculation
There is signal in ball, and is sent to remote-control romote-sensing interface driver route, also the remote control of reception remote-control romote-sensing interface driver route transmission
It orders, includes detector decretum inhibitorium and width/narrow scan status signal in remote control command, detector decretum inhibitorium therein will be used
There is the logical operation of signal in earth Attitude Calculation and the earth, by test interface circuit output it is wide/narrow scan status signal
Give swing-scanning control route；It is level signal that signal, which occurs, in the earth, when visual field of the earth in earth probe assembly, the earth
Appearance signal is high level, and when the earth is not in the visual field of earth probe assembly, it is low level that signal, which occurs, in the earth；The spy
It surveys device decretum inhibitorium to respectively correspond the permission of four road detector signals, do not allow to be introduced into earth Attitude Calculation, wherein with " 1 " table
Show and forbid the road signal, not allow；It is wherein indicated to be not prohibited by the road signal with " 0 ", to allow；The width/narrow scan shape
The width that state signal respectively corresponds infrared earth sensor sweeps, narrow sweeps two kinds of working conditions being scanned to the earth, wherein hot
When outer earth sensor is greater than sweeping threshold value because of the corresponding sweeping angle of driving of motor drive module, infrared earth sensor
Working condition is swept for width, when infrared earth sensor because the corresponding sweeping angle of driving of motor drive module is no more than sweeping
When threshold value, infrared earth sensor sweeps working condition to be narrow, and the sweeping threshold value is positive number；If infrared earth sensor position
When width sweeps working condition, then infrared earth sensor control unit is produced as low level width/narrow scan status signal, if
Infrared earth sensor is located at narrow when sweeping working condition, then infrared earth sensor control unit is produced as the width of high level/narrow
Scanning mode signal.
Remote-control romote-sensing interface driver route receives and is loaded with that 32 bit string codes of attitude of satellite information, that signal occurs in the earth is laggard
It send after line level conversion, serioparallel exchange to outer computer；The laggard line level of remote control command that outer computer is sent is received to turn
It changes, sent after serioparallel exchange to a volume processing unit.
Swing-scanning control route receives width/narrow scan status signal, CLK pulse signal, swaying direction signal, reference pulse
It is generated after signal and sends two-way feedback signal to motor drive module.
Sinusoidal oscillator generates sinusoidal signal, exports to motor drive module.
Motor drive module drives according to motor in sinusoidal signal, two-way feedback signal driving oscillatory scanning shafting component
Mirror is put to swing.
Dedicated secondary DC/DC power supply module is bias supply and motor driven list by test interface route as transferring
Member, Logical processing unit, grating encoder control circuit, analog channel provide power supply.
Analog channel includes preposition pre-arcing road, pre-amplification circuit, differentiating amplifier, penetration management route.
Earth wave signal is filtered after preposition pre-arcing road, pre-amplification circuit cascade, is amplified, differentiating amplifier pair
Filtering, amplified earth wave signal carry out differential enhanced processing and obtain differential signal, penetration management route to differential signal into
The 2 road earth are obtained after row peak holding, half peak value and pass through pulse signal, are obtained after carrying out Schmidt to differential signal
Ground string signal.
Preposition pre-arcing road include a pair of of technotron to pipe, first order amplifier 332, resistance R303, R304,
R305, R306, a pair of of technotron to pipe include field-effect to pipe 331-A, field-effect to pipe 331-B；Field-effect is to pipe
The grounded-grid ball wave signal of 331-A, field-effect connect bias supply and filtered electrical by resistance R303 to the drain electrode of pipe 331-A
Road, the drain electrode of 331-B connect bias supply and filter circuit by resistance R304, the drain electrode of 331-B pass through respectively resistance R303 and
R304 is connected with the positive supply VCC that bias supply and filter circuit provide, and field-effect connects first order amplification to the drain electrode of pipe 331-A
The negative input of device 332, the drain electrode of 331-B connect the positive input of first order amplifier 332, and field-effect is to pipe 331-A's
Source electrode connects the source electrode of 331-B, and field-effect connects bias supply and filtered electrical by resistance R302 to the common end of pipe 331-A, 331-B
Road, the grid of 331-B distinguish the one end connecting resistance R305, the one end R306, resistance R306 ground connection, another termination first order of resistance R305
Output end, the pre-amplification circuit of amplifier 332.
Pre-amplification circuit includes capacitor C33, C34, resistance R307, R308, R309, second level amplifier 333；It is preposition pre-
It puts the positive input that circuit output connects second level amplifier 333 through capacitor C33 to be connected, the forward direction of second level amplifier 333 is defeated
Enter end to be grounded by resistance R307, the negative input of second level amplifier 333 meets the one end C34, the one end R309, resistance R308 mono-
End, R308 other end ground connection, the output end of another termination second level amplifier 333 of the C34 other end, R309, second level amplifier
333 output terminates differential amplifier circuit.
Differential amplifier circuit includes capacitor C35, C36, resistance R310, R311, R312, R313, third level amplifier 334；
Capacitor C35 mono- terminates pre-amplification circuit, the one end another terminating resistor R310, the one end R311, and the R310 other end is grounded, and R311 is another
One termination 334 negative input of third level amplifier, the one end C36, the one end R312, another termination third level of the C36 other end, R312
The positive input of 334 output end of amplifier, third level amplifier 334 is grounded by resistance R313, and third level amplifier 334 is defeated
Penetration management route is terminated out.
Preposition pre-arcing road on first circuit board, pre-amplification circuit on the second circuit board；First circuit board and
Installation through-hole, the route that two circuit boards are equipped with earth probe assembly walk line three-way hole, are covered with outside first circuit board, second circuit board
Shielding box.
Grating encoder control circuit includes angle measurement grating encoding device assembly, grating amplification and shaping circuit；Angle measurement grating
Encoder component measures swing speed of the motor with movable pendulum mirror and direction, generates grating signal CLKA, grating signal CLKB, base
Calibration signal is simultaneously sent to grating amplification and shaping circuit；Grating amplification and shaping circuit, by grating signal CLKA, grating signal CLKB
4 process of frequency multiplication are carried out, obtain being loaded with the CLK pulse signal of swing speed, swaying direction signal, while carrying out reference signal whole
Shape obtains reference pulse signal, and CLK pulse signal, swaying direction signal, reference pulse signal are sent to Logical processing unit,
CLK pulse signal and swaying direction signal are fed back into swing-scanning control route；Clock signal clk A, the clock signal clk B
The two-way grating signal for being 90 ° for phase difference, reference signal are the grating signal generated by the optical signal in zero-bit groove area.
Swing-scanning control route includes capacitor C601, capacitor C602, capacitor C603, capacitor C604, resistance R601, resistance
R602, resistance R603, resistance R604, XOR gate 601, XOR gate 602, XOR gate 603, XOR gate 604, nor gate 605 or non-
Door 606, nor gate 607, nor gate 610, nor gate 611, nor gate 612, monostable flipflop 608, monostable flipflop
609；
CLK pulse signal connects 601 input terminal of XOR gate, another input end grounding of XOR gate 601,601 output end of XOR gate
Connect 602 input terminal of XOR gate, 601 output end of XOR gate connects another input terminal of XOR gate 602 by resistance R601, resistance R601 with
602 tie point of XOR gate is grounded by capacitor C601, and swaying direction signal connects 603 input terminal of XOR gate, and XOR gate 603 is another defeated
Enter end ground connection, output termination 604 input terminal of XOR gate of XOR gate 603,603 output end of XOR gate connects XOR gate by resistance R602
604 another input terminals, resistance R602 are grounded with 604 tie point of XOR gate by capacitor C602,602 output end of XOR gate, exclusive or
604 output ends of door are respectively connected to two input terminals of nor gate 605, and one of the input termination nor gate 606 of nor gate 605 is defeated
Enter an input terminal at end, nor gate 607, wide/narrow another input terminal swept status signal and connect nor gate 606, by reverse phase
Wide/narrow another input terminal swept status signal and connect nor gate 607 of device reverse phase, the output end order stable state touching of nor gate 606
The positive pulse for sending out device 608 triggers input terminal A, and the negative pulse triggering input terminal B of monostable flipflop 608 connects positive voltage, reset terminal
CLR connects positive voltage, and the external resistance terminal RC of monostable flipflop 608 connects positive voltage, steady by capacitor C603 order by R603
The external capacitor end C of state trigger 608, the pulse output end Q of monostable flipflop 608 connect an input terminal of nor gate 610,
The positive pulse of the output end order steady state trigger 609 of nor gate 607 triggers input terminal A, the negative pulse of monostable flipflop 609
Input terminal B connects positive voltage, reset terminal CLR connects positive voltage for triggering, and the external resistance terminal RC of monostable flipflop 609 is connect by R604
Positive voltage passes through the external capacitor end C of capacitor C604 order steady state trigger 609, the pulse output end of monostable flipflop 609
Q connects another input terminal of nor gate 610, and the output of nor gate 610 terminates one end of one end of nor gate 611, nor gate 612,
611 other end of nor gate exports the first feedback signal, and nor gate 612 exports the second feedback signal.
As shown in figure 3, being electrode drive module of the invention, including first input end 401, the second input terminal 402, third
Input terminal 403, the 4th amplifier 431, the first transistor 432, second transistor 433, oscillating motor load 404, adjustment resistance
R404, capacitor C41, feedback resistance R401, R402, R403, R405, capacitor C42, current-limiting resistance R407, R408.First input end
The 401 pure oscillation signals inputted for sinusoidal oscillator, design frequency are 5Hz or 10Hz, and amplitude is that 6VP-P is adjustable, and first is defeated
Enter 401 negative inputs through resistance R401 and the 4th amplifier 431 of end to be connected, which also passes through feedback resistance
The rule of the common end phase of the emitter of R405 and push-pull amplifier circuit 432 and 433, direct-driving motor load is swung.
The signal that third input terminal 403 inputs is the constant width that grating encoder generates and CLK arteries and veins that the period is modulated by swing speed
Signal is rushed, CLK pulse signal is clock pulses string, which mutually modulates with swaying direction signal (/SD), and third is defeated
Enter the negative input that end 403 has been also connected to the 4th amplifier 431 through feedback resistance R403.Capacitor C42 is connected in parallel on resistance
The both ends R405.4th amplifier 431 plays the function of adder, the electricity that current of electric is formed in oscillating motor load 404
Pressure is added in the reverse input end of the 4th amplifier 431 through R405, forms current feedback signal.The letter of second input terminal 402 input
It number is the pulse signal that CLK pulse signal is mutually modulated with swaying direction signal (SD), the second input terminal 402 is through feedback resistance R402
It is connected to the positive input of the 4th amplifier 431.Input terminal 402 also passes through capacitor C41, resistance R404 and reference potential respectively
It is connected.The output end of 4th amplifier 431 rents R406 through electricity and is connected with the base stage of push-pull amplifier circuit 432 and 433, first crystal
The collector of pipe 432 is connected by resistance R407 with positive supply+15V, and power supply is the generation of product DC/DC power source internal.Second is brilliant
The collector of body pipe 433 is connected by resistance R408 with negative supply -15V, the same positive supply of the generation of negative supply.Push-pull amplifier circuit
432 are directly connected with the anode of oscillating motor load 404 with 433 common end (emitter), the cathode of oscillating motor load 404
Directly connect reference potential.
As shown in figure 4, dedicated secondary DC/DC power supply module provides input by a bus (42V or 100V), in input terminal
Equipped with short-circuit protection circuit, surge restraint circuit and electromagnetic interface filter.External switch pulse command is controlled by magnetic latching relay
The open and close machine of secondary power supply.Switching on and shutting down command pulse is divided into two kinds of 12V, 28V.Input passes through transformer isolation with output.DC/
It is UC1845 pulse width modulator that DC, which controls chip, is equipped with current detecting and protection circuit.Since output-current rating is smaller, use
Prime loop pressure-stabilizing, the scheme of the secondary adjustment of rear class low-dropout regulator.
Infrared process circuit is swung in circuit system of the present invention and belongs to Weak Signal Processing system, in order to solve the electricity of complete machine
Magnetic compatibility issue, dedicated secondary DC/DC power supply module are mounted in independent aluminium alloy structure cavity, by surrounding screw,
It is fixed with the main structure for swinging infrared.The ability for improving electromagnetism interference, enhances reliability.
It is passed through in circuit system of the present invention according to CLK pulse signal, swaying direction signal, reference pulse signal, the 8 road earth
Pulse signal, 4 tunnels string signal method that attitude of satellite information is generated after logical process and Attitude Calculation include following step
It is rapid:
(1) enable the 8 road earth pass through pulse signal, swaying direction signal, reference pulse signal by rest-set flip-flop circuit into
Row comparison and timing sampling processing respectively obtain first via analog channel and simulate on the position A ' of earth maximum cross-section, the second tunnel
Channel, which is simulated in the position B ' of earth maximum cross-section, third road analog channel on the position C ' of earth maximum cross-section, the 4th tunnel, to be led to
Position D ' of the road in earth maximum cross-section；
(2) rising edge for obtaining reference pulse signal goes out current moment first via analog channel in the position of earth maximum cross-section
A, the second tunnel analog channel obtains the failing edge moment third road simulation of reference pulse signal in the position B of earth maximum cross-section
Channel the position C of earth maximum cross-section, the 4th tunnel analog channel earth maximum cross-section position D；The position A ',
B ', C ', D ', A, B, C, D coordinate system be using the earth's core as origin, the two-dimensional Cartesian coordinate system established in earth maximum cross-section；
(3) subtraction is carried out to position A ', A and obtains Δ A, subtraction is carried out to position B ', B and obtains Δ B, to position
C ', C carry out subtraction and obtain Δ C, carry out subtraction to position D ', D and obtain Δ D, then using CLK pulse signal in terms of
Number clock, by level signal Δ A, Δ B, Δ C, the level signal of Δ D is converted into the angle equivalent value using grating as digit；
(3) according to formula P=(Δ A+ Δ C)/2=(Δ B+ Δ D)/2=((Δ A+ Δ C)/2+ (Δ B+ Δ D)/2)/2, R
=(Δ B- Δ A)/2=(Δ C- Δ D)/2=((Δ B- Δ A)/2+ (Δ C- Δ D)/2)/2, is calculated attitude of satellite information
In pitch attitude angle P, roll attitude angle R.
According to 4 tunnels string signal, width/narrow scan status signal, detector decretum inhibitorium generate in circuit system of the present invention
The method that signal (EP) occurs in the earth are as follows: if 2 or No. 3 detector decretum inhibitoriums are effective, and remaining detector decretum inhibitorium
When the ground string signal of non-valid channel is effective simultaneously, then EP=1；If No. 1 detector decretum inhibitorium is effective and remaining three tunnel
String signal is effective simultaneously, then EP=1；If No. 0 detector decretum inhibitorium is effectively, work is in narrow scan state and at least three tunnels
String signal is effective simultaneously, then EP=1；If for wide scanning mode and at least 1 tunnel string signal has wide/narrow scan status signal
It imitates, then EP=1, EP=0 in remaining situation.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (7)
1. a kind of miniaturization swings infrared circuit system, it is characterised in that including earth probe assembly, oscillatory scanning shafting component,
Analog channel component, bias supply and electric-motor drive unit, Output Interface Control unit, Logical processing unit, grating encoder
Control circuit, dedicated secondary DC/DC power supply module；Bias supply and electric-motor drive unit include bias supply and filter circuit,
Motor drive module, sinusoidal oscillator, swing-scanning control route；Output Interface Control unit include test interface route, remote control it is distant
Survey interface driver route；
Earth probe assembly, including 4 earth probes, each earth probe detection infrared image simultaneously export earth wave signal；It is described
The level of earth wave signal change with the energy variation of infrared image；
Analog channel component, including 4 identical analog channels of body function, each analog channel pass through earth wave signal
Filtering, amplification and differential process are crossed, is worn the 2 road earth are obtained after signal progress peak holding, half peak value after differential process
More pulse signal to Logical processing unit, will after differential process signal obtain after Schmidt ground string signal to logic at
Manage unit；The analog channel includes preposition pre-arcing road, pre-amplification circuit, differentiating amplifier, penetration management route；
Earth wave signal is filtered after preposition pre-arcing road, pre-amplification circuit cascade, is amplified, differentiating amplifier is to filter
Wave, amplified earth wave signal carry out differential enhanced processing and obtain differential signal, and penetration management route carries out differential signal
The 2 road earth are obtained after peak holding, half peak value and pass through pulse signal, and penetration management route carries out Schmidt to differential signal
After obtain ground string signal；
The preposition pre-arcing road include a pair of of technotron to pipe, first order amplifier 332, resistance R303, R304,
R305, R306, a pair of of technotron to pipe include field-effect to pipe 331-A, field-effect to pipe 331-B；Field-effect is to pipe
The grounded-grid ball wave signal of 331-A, field-effect connect bias supply and filter circuit by resistance R303 to the drain electrode of pipe 331-A
The positive supply VCC of offer is connected, and the drain electrode of 331-B connects the positive supply that bias supply and filter circuit provide by resistance R304
VCC is connected, and field-effect connects the negative input of first order amplifier 332 to the drain electrode of pipe 331-A, and the drain electrode of 331-B connects first
The positive input of grade amplifier 332, field-effect connect the source electrode of 331-B to the source electrode of pipe 331-A, field-effect to pipe 331-A,
The common end of 331-B meets the negative supply VSS that bias supply and filter circuit provide by resistance R302 and is connected, the grid of 331-B
The one end connecting resistance R305, the one end R306 respectively, resistance R306 ground connection, resistance R305 is another to terminate the defeated of first order amplifier 332
Outlet, pre-amplification circuit；
Bias supply and filter circuit provide pressure stabilizing bias supply to earth probe assembly, analog channel；
Oscillatory scanning shafting component includes pendulum mirror, motor；Motor driven is put mirror and is swung, and puts mirror for the infrared image of the earth and projects ground
In the visual field of talent scout's head assembly；
Grating encoder control circuit, measures swing speed of the motor with movable pendulum mirror and direction, and generation is loaded with swing speed information
CLK pulse signal, swaying direction signal, reference pulse signal export to Logical processing unit, and by CLK pulse signal and pendulum
Dynamic direction signal feeds back to swing-scanning control route；The reference pulse signal is the zero-bit letter that motor is swung with movable pendulum mirror
Breath；
Logical processing unit receives CLK pulse signal, swaying direction signal, reference pulse signal, the 8 road earth and passes through pulse letter
Number, 4 roads ground string signal, generate the 32 bit string codes for being loaded with attitude of satellite information after logical process and Attitude Calculation and the earth go out
Existing signal, and it is sent to remote-control romote-sensing interface driver route, the remote control command that remote-control romote-sensing interface driver route is sent also is received,
By test interface circuit output it is wide/narrow scan status signal gives swing-scanning control route；It is level that signal, which occurs, in the earth
Signal, when visual field of the earth in earth probe assembly, it is high level that signal, which occurs, in the earth, when the earth is not in earth probe assembly
Visual field when, the earth occur signal be low level；The width/narrow scan status signal respectively corresponds infrared earth sensor
Width sweeps, narrow sweep two kinds of working conditions being scanned to the earth, wherein when infrared earth sensor because of motor drive module
When corresponding sweeping angle being driven to be greater than sweeping threshold value, infrared earth sensor is that width sweeps working condition, when infrared earth sensitivity
For device because when the corresponding sweeping angle of driving of motor drive module is no more than threshold value is swept, infrared earth sensor sweeps work to be narrow
Make state, the sweeping threshold value is positive number；If infrared earth sensor is located at width when sweeping working condition, infrared earth is quick
Sensor control unit is produced as low level width/narrow scan status signal, if infrared earth sensor sweeps work shape positioned at narrow
When state, then infrared earth sensor control unit is produced as width/narrow scan status signal of high level；
Remote-control romote-sensing interface driver route receives 32 bit string codes, the earth for being loaded with attitude of satellite information and progress electricity after signal occurs
Flat turn is changed, is sent after serioparallel exchange to outer computer；Receive the laggard line level conversion of remote control command, string that outer computer is sent
And it is sent after converting to a volume processing unit；
Swing-scanning control route receives width/narrow scan status signal, CLK pulse signal, swaying direction signal, reference pulse signal
After generate and send two-way feedback signal to motor drive module；
Sinusoidal oscillator generates sinusoidal signal, exports to motor drive module；
Motor drive module, according to motor band movable pendulum mirror in sinusoidal signal, two-way feedback signal driving oscillatory scanning shafting component
It swings；
Dedicated secondary DC/DC power supply module, by test interface route as transferring, be bias supply and electric-motor drive unit,
Logical processing unit, grating encoder control circuit, analog channel provide power supply.
2. a kind of miniaturization according to claim 1 swings infrared circuit system, it is characterised in that: the preposition amplification
Circuit includes capacitor C33, C34, resistance R307, R308, R309, second level amplifier 333；Preposition pre-arcing road output is through capacitor
The positive input that C33 connects second level amplifier 333 is connected, and the positive input of second level amplifier 333 passes through resistance R307
Ground connection, the negative input of second level amplifier 333 connect the one end C34, the one end R309, the one end resistance R308, another termination of R308
The output termination on ground, the output end of another termination second level amplifier 333 of the C34 other end, R309, second level amplifier 333 is micro-
Divide amplifying circuit.
3. a kind of miniaturization according to claim 1 or 2 swings infrared circuit system, it is characterised in that: the differential
Amplifying circuit includes capacitor C35, C36, resistance R310, R311, R312, R313, third level amplifier 334；Capacitor C35 mono- is terminated
Pre-amplification circuit, the one end another terminating resistor R310, the one end R311, R310 other end ground connection, another termination third level of R311
334 negative input of amplifier, the one end C36, the one end R312, another termination third level amplifier 334 of the C36 other end, R312 are defeated
The positive input of outlet, third level amplifier 334 is grounded by resistance R313, and the output termination of third level amplifier 334 is passed through
Process circuit.
4. a kind of miniaturization according to claim 1 or 2 swings infrared circuit system, it is characterised in that: described is preposition
Pre-arcing road on first circuit board, pre-amplification circuit on the second circuit board；First circuit board and second circuit board are equipped with
Installation through-hole, the route of earth probe assembly walk line three-way hole, and shielding box is covered with outside first circuit board, second circuit board.
5. a kind of miniaturization according to claim 1 or 2 swings infrared circuit system, it is characterised in that: the grating
Encoder control circuit includes angle measurement grating encoding device assembly, grating amplification and shaping circuit；Angle measurement grating encoding device assembly is surveyed
Swing speed of the motor with movable pendulum mirror and direction are measured, clock signal clk A, clock signal clk B, reference signal are generated and is sent to light
Grid amplification and shaping circuit；Grating signal CLKA, grating signal CLKB are carried out 4 process of frequency multiplication by grating amplification and shaping circuit,
The CLK pulse signal, the swaying direction signal that are loaded with swing speed are obtained, while shaping is carried out to reference signal, obtains benchmark arteries and veins
Signal is rushed, CLK pulse signal, swaying direction signal, reference pulse signal are sent to Logical processing unit, by CLK pulse signal
Swing-scanning control route is fed back to swaying direction signal；It is 90 ° that clock signal clk A, the clock signal clk B, which is phase difference,
Two-way grating signal, reference signal is the grating signal generated by the optical signal in zero-bit groove area.
6. a kind of miniaturization according to claim 1 or 2 swings infrared circuit system, it is characterised in that: the amplitude of oscillation
Controlling route includes capacitor C601, capacitor C602, capacitor C603, capacitor C604, resistance R601, resistance R602, resistance R603, electricity
Hinder R604, XOR gate 601, XOR gate 602, XOR gate 603, XOR gate 604, nor gate 605, nor gate 606, nor gate 607,
Nor gate 610, nor gate 611, nor gate 612, monostable flipflop 608, monostable flipflop 609；
CLK pulse signal connects 601 input terminal of XOR gate, another input end grounding of XOR gate 601, and the output of XOR gate 601 terminates different
Or 602 input terminal of door, 601 output end of XOR gate connect another input terminal of XOR gate 602, resistance R601 and exclusive or by resistance R601
602 tie points of door are grounded by capacitor C601, and swaying direction signal connects 603 input terminal of XOR gate, another input terminal of XOR gate 603
Ground connection, output termination 604 input terminal of XOR gate of XOR gate 603,603 output end of XOR gate connect XOR gate 604 by resistance R602
Another input terminal, resistance R602 are grounded with 604 tie point of XOR gate by capacitor C602,602 output end of XOR gate, XOR gate
604 output ends are respectively connected to two input terminals of nor gate 605, an input of the input termination nor gate 606 of nor gate 605
It holds, an input terminal of nor gate 607, wide/narrow another input terminal swept status signal and connect nor gate 606, by phase inverter
Wide/narrow another input terminal swept status signal and connect nor gate 607 of reverse phase, the output end of nor gate 606 connect monostable trigger
The positive pulse of device 608 triggers input terminal A, and the negative pulse triggering input terminal B of monostable flipflop 608 connects positive voltage, reset terminal CLR
Positive voltage is connect, the external resistance terminal RC of monostable flipflop 608 connects positive voltage by R603, touches by capacitor C603 order stable state
The external capacitor end C of device 608 is sent out, the pulse output end Q of monostable flipflop 608 connects an input terminal or non-of nor gate 610
The positive pulse of the output end order steady state trigger 609 of door 607 triggers input terminal A, the negative pulse triggering of monostable flipflop 609
Input terminal B connects positive voltage, reset terminal CLR connects positive voltage, and the external resistance terminal RC of monostable flipflop 609 connects positive electricity by R604
Pressure is connect by the external capacitor end C of capacitor C604 order steady state trigger 609, the pulse output end Q of monostable flipflop 609
Another input terminal of nor gate 610, the output of nor gate 610 terminate one end or non-of one end of nor gate 611, nor gate 612
611 other ends of door export the first feedback signal, and nor gate 612 exports the second feedback signal.
7. a kind of miniaturization according to claim 1 or 2 swings infrared circuit system, it is characterised in that: the reception
CLK pulse signal, swaying direction signal, reference pulse signal, the 8 road earth pass through pulse signal, 4 tunnels string signal by logic
The method that attitude of satellite information is generated after processing and Attitude Calculation includes the following steps:
(1) it enables the 8 road earth pass through pulse signal, swaying direction signal, reference pulse signal to be compared by rest-set flip-flop circuit
Compared with and timing sampling processing, respectively obtain position A ' of the first via analog channel in earth maximum cross-section, the second tunnel analog channel
Exist in the position B ' of earth maximum cross-section, third road analog channel in the position C ' of earth maximum cross-section, the 4th tunnel analog channel
The position D ' of earth maximum cross-section；
(2) obtain reference pulse signal rising edge go out current moment first via analog channel earth maximum cross-section position A, the
Two tunnel analog channels obtain the failing edge moment third road analog channel of reference pulse signal in the position B of earth maximum cross-section
The position C of earth maximum cross-section, the 4th tunnel analog channel earth maximum cross-section position D；The position A ', B ', C ',
D ', A, B, C, D coordinate system be using the earth's core as origin, the two-dimensional Cartesian coordinate system established in earth maximum cross-section；
(3) subtraction is carried out to position A ', A and obtains Δ A, subtraction is carried out to position B ', B and obtains Δ B, to position C ', C
It carries out subtraction and obtains Δ C, subtraction is carried out to position D ', D and obtains Δ D, then using CLK pulse signal as when counting
Clock, by level signal Δ A, Δ B, Δ C, the level signal of Δ D is converted into the angle equivalent value using grating as digit；
(3) according to formula P=(Δ A+ Δ C)/2=(Δ B+ Δ D)/2=((Δ A+ Δ C)/2+ (Δ B+ Δ D)/2)/2, R=
(Δ B- Δ A)/2=(Δ C- Δ D)/2=((Δ B- Δ A)/2+ (Δ C- Δ D)/2)/2, is calculated in attitude of satellite information
Pitch attitude angle P, roll attitude angle R.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610797717.2A CN106441561B (en) | 2016-08-31 | 2016-08-31 | A kind of infrared circuit system of miniaturization swing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610797717.2A CN106441561B (en) | 2016-08-31 | 2016-08-31 | A kind of infrared circuit system of miniaturization swing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106441561A CN106441561A (en) | 2017-02-22 |
| CN106441561B true CN106441561B (en) | 2019-01-15 |
Family
ID=58163720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610797717.2A Active CN106441561B (en) | 2016-08-31 | 2016-08-31 | A kind of infrared circuit system of miniaturization swing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106441561B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515101B (en) * | 2019-06-21 | 2022-11-25 | 成都天锐星通科技有限公司 | Satellite rapid acquisition method and phased array antenna system |
| CN113091900A (en) * | 2021-03-01 | 2021-07-09 | 北京大学 | Reading circuit and infrared imager |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH085455A (en) * | 1994-06-17 | 1996-01-12 | Fujitsu Ltd | Scanner for infrared ray detecting device |
| CN103017789B (en) * | 2012-11-30 | 2015-05-27 | 北京控制工程研究所 | Fault simulation method for swing type infrared earth sensor |
| CN105136171B (en) * | 2015-09-22 | 2017-11-21 | 中国科学院上海技术物理研究所 | Analogy method based on linear array infrared earth sensor electric signal generation device |
-
2016
- 2016-08-31 CN CN201610797717.2A patent/CN106441561B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106441561A (en) | 2017-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103389039B (en) | A kind of high-speed, high precision light curtain pick-up unit based on FPGA and FPAA | |
| CN101713971B (en) | Control system for detecting safety areas by combining infra-red technology and ultrasonic technology | |
| CN106441561B (en) | A kind of infrared circuit system of miniaturization swing | |
| CN105717366A (en) | Online grounding resistance monitoring alarm and remote monitoring system | |
| CN101826243A (en) | Two-wire active infrared detection alarm system | |
| CN109490968A (en) | A kind of controllable source high frequency magnetotelluric instrument system and measurement method | |
| CN109633758A (en) | A kind of compound ground penetrating radar system of multifrequency | |
| CN104237599A (en) | Width dynamic capacitive equipment leakage current sensor monitoring system | |
| WO2017161630A1 (en) | Small-region lightning monitoring and positioning method and system | |
| CN203688743U (en) | OLED device optical and electrical property testing system | |
| CN103995286B (en) | A kind of acoustic receiver transducer and orientation, down-hole noise leakage detection apparatus and leak hunting method | |
| CN204821874U (en) | Bicycle speed sensor based on GPS | |
| CN109061745A (en) | A kind of tunnel tunnel face transient electromagnetic radar visits water system and visits water installations | |
| CN206892340U (en) | Identification device and laser radar at the time of based on laser radar | |
| CN108233816A (en) | A kind of method and apparatus for the processing of rotor position signal synthesis | |
| CN106018877A (en) | Ultrasonic two-dimensional wind direction and wind speed sensor | |
| CN208257796U (en) | Mine-used I. S signal receiving device | |
| CN215169955U (en) | Underground time domain or frequency domain multi-component electromagnetic measuring instrument based on graphene electromagnetic shielding | |
| CN109372500A (en) | A kind of formation water resistivity logging instrument direct current small-signal three-stage graduation method | |
| CN100489451C (en) | Closed loop automatic testing method adapted to oscillatory scanning infrared earth sensor | |
| CN203242171U (en) | DSP vehicle detection device based on bias magnetic field | |
| CN105626392A (en) | Rotation speed monitoring system based on phytoelectric counting and used for wind driven generator | |
| CN100578260C (en) | Electro-detection case suitable for oscillatory scanning type infrared earth sensor testing | |
| CN207036113U (en) | A kind of linear array measuring instrument | |
| CN102495382A (en) | Transient magnetic field recorder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |