CN105979158A - Star sensor focal plane assembly - Google Patents
Star sensor focal plane assembly Download PDFInfo
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- CN105979158A CN105979158A CN201610555940.6A CN201610555940A CN105979158A CN 105979158 A CN105979158 A CN 105979158A CN 201610555940 A CN201610555940 A CN 201610555940A CN 105979158 A CN105979158 A CN 105979158A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
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- 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
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- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Astronomy & Astrophysics (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Temperature (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
The invention discloses a star sensor focal plane assembly. The star sensor focal plane assembly comprises a CCD (Charge Coupled Device) detector, rigid-flexible printed circuit board (PCB) and a TEC (Thermal Electric Cooler) which are mechanically fixed to a detector support frame, wherein a driving circuit and a video signal processing circuit are integrated in the rigid-flexible PCB; the driving circuit is electrically connected with the CCD detector; and the video signal processing circuit is electrically connected with the CCD detector. Through adoption of the star sensor focal plane assembly, integration and miniaturization of the assembly are realized; accurate temperature control of the detector is realized; a good heat dissipation path of the detector is formed; high consistence in performance parameters and long-term stable and reliable working of the detector are ensured; and a video image with a high signal-to-noise ratio can be acquired.
Description
Technical field
The present invention relates to a kind of star sensor focal plane component.
Background technology
Star sensor is a kind of attitude measurement product, is mainly used in the three-axis attitude determining spacecraft relative to inertial coodinate system, has the advantages such as precision height, good stability and error add up the most in time, thus is widely used on the aircraft such as satellite, airship.The core unit determined as spacecraft attitude, star sensor divides according to structure, is made up of lighting apparatus component, product main structure, focal plane component, electronics and software five part.Wherein, focal plane component is the essential elements of star sensor, comprises detector, driving and video processing circuit, refrigerator and supporting construction.
Owing to spatial environments is complicated, star sensor actual work temperature scope is typically between-40 DEG C～40 DEG C, and product thermal deformation is big, and ccd detector is easily affected by variations in temperature, causes electrical noise to increase, and detector performance is deteriorated.Therefore, the feature of focal plane component design is to provide good measuring basis for detector, drive signal and the disposal ability to video signal, has good heat stability, and the accurate temperature using TEC refrigerator to realize detector controls.Designed by rational focal plane component, it is possible to decrease star sensor measurement error, it is ensured that the stable performance of Rotating Platform for High Precision Star Sensor.
At present, the design of domestic star sensor focal plane component electronics is main uses detector to be assemblied in traditional PCB printed board, and detector temperature controls to use passive radiating mode more.Han Zhixue etc. are in " a kind of high speed, high resolution remote sensing camera panchromatic/multispectral focal plane circuit design " that " space flight return and remote sensing " upper (2012) deliver, the core component detector printed board of disclosed a kind of focal plane circuit still uses FR4 manufacture of materials, by under mechanics and heat affecting, detector installation site easily changes, the traditional heat-dissipating approach of ccd detector can only be conduction of heat and heat loss through radiation, being limited by structure and space, radiating efficiency is low.
Summary of the invention
The present invention provides a kind of star sensor focal plane component, achieve the integrated of assembly and miniaturization, realize the accurate temperature to detector to control, form the good heat radiating path of detector, guarantee detector each performance parameter concordance is good, steady in a long-term, reliably working, can obtain the video image that signal to noise ratio is good.
In order to achieve the above object, the present invention provides a kind of star sensor focal plane component, comprises:
Detector bracing frame, for supporting the various piece connected in star sensor focal plane component；
Ccd detector, it is mechanically anchored on detector bracing frame, for sensitive external information；
The hard and soft printed board of PCB, it is mechanically anchored on detector bracing frame, is integrated with drive circuit and video processing circuit in the hard and soft printed board of this PCB；Described drive circuit is electrically connected with ccd detector, and it is for providing necessary driver' s timing signal and bias voltage for ccd detector；Described video processing circuit is electrically connected with ccd detector, and it, for exporting the videosimulator amount of ccd detector, improves signal driving force, removes the DC component in video signal, influencing each other of isolation front stage circuit；
TEC refrigerator, it is mechanically anchored on detector bracing frame, and contacts ccd detector, for the temperature conditions good for ccd detector offer, improves signal noise ratio (snr) of image；
External connector, it is electrically connected with drive circuit, video processing circuit and TEC refrigerator, for outside driver' s timing signal is sent to drive circuit, outside refrigeration control signal is sent to TEC refrigerator, and receive the video signal that video processing circuit sends, and receive the temperature data that TEC refrigerator sends.
Described detector bracing frame uses composite to make.
Described ccd detector welding machine is on detector bracing frame.
The printed board hard and soft with PCB of described detector bracing frame is fixed by the adapter of band impedance control.
Described drive circuit comprises biasing circuit and decoupling circuit.
Described video processing circuit comprises:
Transistor base protection circuit, its input is electrically connected with the outfan of ccd detector, for protecting the audion in emitter follower circuit, prevents Transient Currents by burning audion；
Signal biasing circuit, its outfan is electrically connected with the input of transistor base protection circuit, for providing signal driving force for CCD video signal；
Emitter follower circuit, its input is electrically connected with the outfan of transistor base protection circuit, is used for ensureing that signal is undistorted, amplifies the driving force of CCD video signal further；
Bias voltage and protection circuit, its outfan is electrically connected with the input of emitter follower circuit, carries out capacitor filtering for the bias voltage providing outside, it is ensured that the stability of bias voltage；
Video signal block isolating circuit, its input is electrically connected with the outfan of emitter follower circuit, for removing the DC component in CCD video signal, has buffer action；
Signal output filter circuit, its input is electrically connected with the outfan of video signal block isolating circuit, for being filtered output signal.
The hard and soft printed board of described PCB comprises the most successively: top layer, the first signals layer, the first bus plane, second source layer, secondary signal layer and bottom；Various circuit components is set on described top layer, the first described signals layer and secondary signal layer arranges holding wire, the first described bus plane and second source layer arranges power line, described bottom arranges ground wire.
Described holding wire comprises: independent signal line, differential signal line and distinctive signal line；Described ground wire comprises: simulation ground wire, numeral ground wire, distinctive signal ground wire, primary power source ground wire, secondary power supply ground wire and rack earth；Resistance is used to isolate between described simulation ground wire and numeral ground wire；Resistance is used to isolate between described digital ground wire and distinctive signal ground wire；Capacitor apart is used between described primary power source ground wire and rack earth；Capacitor apart is used between described secondary power supply ground wire and rack earth；The isolation of common mode filtering inductance is used between described primary power source ground wire and secondary power supply ground wire；Analog signal line and digital signal line are mutually isolated.
Described TEC refrigerator uses typical BUCK reduction voltage circuit.
Present invention achieves the integrated of assembly and miniaturization, realize the accurate temperature to detector to control, form the good heat radiating path of detector, it is ensured that detector each performance parameter concordance is good, steady in a long-term, reliably working, can obtain the video image that signal to noise ratio is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of star sensor focal plane component that the present invention provides.
Fig. 2 is the ground connection schematic diagram of the hard and soft printed board of PCB.
Fig. 3 is the circuit block diagram of video processing circuit.
Detailed description of the invention
Below according to Fig. 1～Fig. 3, illustrate presently preferred embodiments of the present invention.
As it is shown in figure 1, the present invention provides a kind of star sensor focal plane component, comprise:
Detector bracing frame 1, for supporting the various piece connected in star sensor focal plane component；
Ccd detector 2, it is mechanically anchored on detector bracing frame 1, for sensitive external information；
The hard and soft printed board of PCB 3, it is mechanically anchored on detector bracing frame 1, the hard and soft printed board of this PCB 3 is integrated with drive circuit 4 and video processing circuit 5, rigid flexible system, stable drive circuit and video processing circuit can be obtained, realize the stackingization design of electronics, finally realize product miniaturization；Described drive circuit 4 is electrically connected with ccd detector 2, and it is for providing necessary driver' s timing signal and bias voltage for ccd detector；Described video processing circuit 5 is electrically connected with ccd detector 2, and it, for exporting the videosimulator amount of ccd detector, improves signal driving force, removes the DC component in video signal, influencing each other of isolation front stage circuit；
TEC refrigerator 6, it is mechanically anchored on detector bracing frame 1, and contacts ccd detector 2, for the temperature conditions good for ccd detector offer, improves signal noise ratio (snr) of image.
Described star sensor focal plane component also comprises: external connector 7, it is electrically connected with drive circuit 4, video processing circuit 5 and TEC refrigerator 6, for outside driver' s timing signal is sent to drive circuit 4, outside refrigeration control signal is sent to TEC refrigerator 6, and receive the video signal that video processing circuit 5 sends, and receive the temperature data that TEC refrigerator 6 sends.
Described detector bracing frame 1 uses composite to make, and selects the composite of thermal deformation little (titanium alloy material thermal deformation is basically identical) and good heat conductivity；Ccd detector 2 is directly welded on detector bracing frame, reduce letter transmission path and external environment interference, both achieved the reference for installation of ccd detector 2, on detector bracing frame 1, realized again the signal lead of ccd detector 2, it is to avoid wire connect between signal disturbing；This detector bracing frame 1 printed board hard and soft with PCB 3 is fixed by the adapter of band impedance control.
Described drive circuit 4 comprises biasing circuit and decoupling circuit.
As it is shown on figure 3, described video processing circuit 5 comprises:
Transistor base protection circuit 501, its input is electrically connected with the outfan of ccd detector 2, for protecting the audion in emitter follower circuit 503, prevents Transient Currents by burning audion；
Signal biasing circuit 502, its outfan is electrically connected with the input of transistor base protection circuit 501, for providing signal driving force for CCD video signal；
Emitter follower circuit 503, its input is electrically connected with the outfan of transistor base protection circuit 501, is used for ensureing that signal is undistorted, amplifies the driving force of CCD video signal further；
Bias voltage and protection circuit 504, its outfan is electrically connected with the input of emitter follower circuit 503, carries out capacitor filtering for the bias voltage providing outside, it is ensured that the stability of bias voltage；
Video signal block isolating circuit 505, its input is electrically connected with the outfan of emitter follower circuit 503, for removing the DC component in CCD video signal, has buffer action；
Signal output filter circuit 506, its input is electrically connected with the outfan of video signal block isolating circuit 505, for being filtered output signal.
Described video processing circuit 5 uses emitter following mode, can improve signal driving force, removes the DC component in video signal, influencing each other of isolation front stage circuit；Because emitter follower has high input resistance and low output resistance, influencing each other of front stage circuit can be isolated, play cushioning effect, there is bigger current amplification factor simultaneously, so can be used as the input stage of video frequency signal processing, amplifier in emitter follower uses low noise transistor to realize, and current amplification factor controls within 100 times.
Drive circuit 4 provides stable driving signal, and video processing circuit 5 uses emitter following mode, and the CCD video signal signal to noise ratio making acquisition is good, analogue signal impulse-free robustness.
The hard and soft printed board of described PCB 3 uses multilayered printed plate structure, and the hard and soft printed board of this PCB 3 comprises the most successively: top layer, the first signals layer, the first bus plane, second source layer, secondary signal layer and bottom；Various circuit components is set on described top layer, the first described signals layer and secondary signal layer arranges holding wire, the first described bus plane and second source layer arranges power line, described bottom arranges ground wire；All signals on focal plane component all use multilayer board cabling, external wire is not had to connect, it is easy to the impedance design of holding wire, shielding external disturbance, reduce each functional module area occupied, it is achieved electronics is integrated, owing to printed board has flex region, stepped construction can also be realized, reduce the size of focal plane component further.
Described holding wire comprises: independent signal line, differential signal line and distinctive signal line；Described ground wire comprises: simulation ground wire, numeral ground wire, distinctive signal ground wire, primary power source ground wire, secondary power supply ground wire and rack earth.
As in figure 2 it is shown, in the present embodiment, described independent signal line uses 50 ohmage designs；Described differential signal line uses isometric wire, 100 ohmage designs；Use resistance (in the present embodiment between described simulation ground wire and numeral ground wire, use 0 ohmage) isolate, use resistance (in the present embodiment between described digital ground wire and distinctive signal ground wire, use 0 ohmage) isolate, impact in view of factors such as signal loop line and power, use electric capacity (in the present embodiment between described primary power source ground wire and rack earth, use ceramic disc capacitor) isolation, electric capacity (in the present embodiment, using ceramic disc capacitor) isolation is used between described secondary power supply ground wire and rack earth；Analog signal line and digital signal line are mutually isolated, cabling is completed respectively in corresponding simulation ground region and numeral ground region, the isolation of common mode filtering inductance is used between described primary power source ground wire and secondary power supply ground wire, can eliminate common-mode noise, what final offer was stable drives signal and exports good video signal.
Described TEC refrigerator 6 uses typical BUCK reduction voltage circuit, directly ccd detector 2 and detector bracing frame 1 are freezed, play metal material heat conduction, the characteristic of rapid heat dissipation, improve refrigerating efficiency, have enough contact surfaces between ccd detector 2 and detector bracing frame 1, after refrigeration is opened, refrigerated area uniform heat distribution, efficiency is high, by using refrigeration closed loop control, can realize the accurate control of detector temperature.
The invention have the advantages that
1, focal plane component uses Integrated design, completes to drive signal and video signal front-end processing and to detector refrigeration, it is achieved the miniaturization of assembly.
2, focal plane component functional independence, external connector interface is clear and definite, can directly plug replacement as star sensor parts.
3, the ccd detector in focal plane component is arranged on detector bracing frame, and ccd detector mounting plane degree can carry out quantitative test, reproducible, can produce with batching.
4, detector bracing frame and the connected mode of the hard and soft printed board of PCB, structural volume is little, and signal integrity is good, and capacity of resisting disturbance is strong.
5, the characteristic of metal material is made full use of, pass through soldered, realize detector bracing frame and refrigerator, being rigidly connected of detector, there is good heat stability, heat conductivity, the heat that refrigerator hot junction produces quickly can be transmitted on pedestal, reduce the error that lighting apparatus component produces due to thermal deformation, significantly improve the low frequency aberration precision of star sensor.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read foregoing, multiple amendment and replacement for the present invention all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a star sensor focal plane component, it is characterised in that comprise:
Detector bracing frame (1), for supporting the various piece connected in star sensor focal plane component；
Ccd detector (2), it is mechanically anchored on detector bracing frame (1), for sensitive external information；
The hard and soft printed board of PCB (3), it is mechanically anchored on detector bracing frame (1), is integrated with drive circuit (4) and video processing circuit (5) in the hard and soft printed board of this PCB (3)；Described drive circuit (4) is electrically connected with ccd detector (2), and it is for providing necessary driver' s timing signal and bias voltage for ccd detector；Described video processing circuit (5) is electrically connected with ccd detector (2), and it, for exporting the videosimulator amount of ccd detector, improves signal driving force, removes the DC component in video signal, influencing each other of isolation front stage circuit；
TEC refrigerator (6), it is mechanically anchored on detector bracing frame (1), and contacts ccd detector (2), for the temperature conditions good for ccd detector offer, improves signal noise ratio (snr) of image；
External connector (7), it is electrically connected with drive circuit (4), video processing circuit (5) and TEC refrigerator (6), for outside driver' s timing signal is sent to drive circuit (4), outside refrigeration control signal is sent to TEC refrigerator (6), and receive the video signal that video processing circuit (5) sends, and receive the temperature data that TEC refrigerator (6) sends.
2. star sensor focal plane component as claimed in claim 1, it is characterised in that described detector bracing frame (1) uses composite to make.
3. star sensor focal plane component as claimed in claim 1, it is characterised in that described ccd detector (2) welding machine is on detector bracing frame (1).
4. star sensor focal plane component as claimed in claim 1, it is characterised in that described detector bracing frame (1) printed board hard and soft with PCB (3) is fixed by the adapter of band impedance control.
5. star sensor focal plane component as claimed in claim 1, it is characterised in that described drive circuit (4) comprises biasing circuit and decoupling circuit.
6. star sensor focal plane component as claimed in claim 1, it is characterised in that described video processing circuit (5) comprises:
Transistor base protection circuit (501), its input is electrically connected with the outfan of ccd detector (2), is used for protecting the audion in emitter follower circuit (503), prevents Transient Currents by burning audion；
Signal biasing circuit (502), its outfan is electrically connected with the input of transistor base protection circuit (501), for providing signal driving force for CCD video signal；
Emitter follower circuit (503), its input is electrically connected with the outfan of transistor base protection circuit (501), is used for ensureing that signal is undistorted, amplifies the driving force of CCD video signal further；
Bias voltage and protection circuit (504), its outfan is electrically connected with the input of emitter follower circuit (503), carries out capacitor filtering for the bias voltage providing outside, it is ensured that the stability of bias voltage；
Video signal block isolating circuit (505), its input is electrically connected with the outfan of emitter follower circuit (503), for removing the DC component in CCD video signal, has buffer action；
Signal output filter circuit (506), its input is electrically connected with the outfan of video signal block isolating circuit (505), for being filtered output signal.
7. the star sensor focal plane component as described in claim 1-6 any one, it is characterised in that the hard and soft printed board of described PCB (3) comprises the most successively: top layer, the first signals layer, the first bus plane, second source layer, secondary signal layer and bottom；Various circuit components is set on described top layer, the first described signals layer and secondary signal layer arranges holding wire, the first described bus plane and second source layer arranges power line, described bottom arranges ground wire.
8. star sensor focal plane component as claimed in claim 7, it is characterised in that described holding wire comprises: independent signal line, differential signal line and distinctive signal line；
Described ground wire comprises: simulation ground wire, numeral ground wire, distinctive signal ground wire, primary power source ground wire, secondary power supply ground wire and rack earth；
Resistance is used to isolate between described simulation ground wire and numeral ground wire；
Resistance is used to isolate between described digital ground wire and distinctive signal ground wire；
Capacitor apart is used between described primary power source ground wire and rack earth；
Capacitor apart is used between described secondary power supply ground wire and rack earth；
The isolation of common mode filtering inductance is used between described primary power source ground wire and secondary power supply ground wire；
Analog signal line and digital signal line are mutually isolated.
9. star sensor focal plane component as claimed in claim 1, it is characterised in that described TEC refrigerator (6) uses typical BUCK reduction voltage circuit.
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| CN201610555940.6A CN105979158B (en) | 2016-07-14 | 2016-07-14 | A kind of star sensor focal plane component |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260886A (en) * | 2019-04-29 | 2019-09-20 | 上海航天控制技术研究所 | A kind of space photoelectric sensor Intelligentized test system |
| CN111707291A (en) * | 2020-06-23 | 2020-09-25 | 上海航天控制技术研究所 | Automatic assembling and calibrating device and automatic assembling and calibrating method for star sensor focal plane |
| CN112422855A (en) * | 2020-10-30 | 2021-02-26 | 中国科学院西安光学精密机械研究所 | Stress-free space astronomical camera CCD assembly with small splicing height error and assembling method |
| CN113452937A (en) * | 2021-05-24 | 2021-09-28 | 中国科学院西安光学精密机械研究所 | Self-adaptive driving signal satellite-borne CCD hyperspectral imaging circuit and method |
| CN113639715A (en) * | 2021-07-13 | 2021-11-12 | 中国科学院西安光学精密机械研究所 | Spliced focal plane assembly |
| CN115150570A (en) * | 2022-09-06 | 2022-10-04 | 武汉加特林光学仪器有限公司 | Double-sampling signal processing circuit based on digital circuit and display panel detection equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2700847B1 (en) * | 1993-01-27 | 1995-04-21 | Sodern | DTC matrix star sight, detection method, and application to the registration of a spacecraft. |
| CN103017745B (en) * | 2011-09-27 | 2016-05-04 | 上海航天控制工程研究所 | The using method of a kind of micromechanical gyro (MEMS) in survey of deep space |
| CN103448925A (en) * | 2013-08-08 | 2013-12-18 | 上海卫星工程研究所 | High-precision temperature control device for star sensors for satellites |
| CN104290924B (en) * | 2014-09-17 | 2017-05-24 | 上海卫星工程研究所 | Star sensor temperature control device |
-
2016
- 2016-07-14 CN CN201610555940.6A patent/CN105979158B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110260886A (en) * | 2019-04-29 | 2019-09-20 | 上海航天控制技术研究所 | A kind of space photoelectric sensor Intelligentized test system |
| CN111707291A (en) * | 2020-06-23 | 2020-09-25 | 上海航天控制技术研究所 | Automatic assembling and calibrating device and automatic assembling and calibrating method for star sensor focal plane |
| CN112422855A (en) * | 2020-10-30 | 2021-02-26 | 中国科学院西安光学精密机械研究所 | Stress-free space astronomical camera CCD assembly with small splicing height error and assembling method |
| CN112422855B (en) * | 2020-10-30 | 2021-10-15 | 中国科学院西安光学精密机械研究所 | Stress-free space astronomical camera CCD assembly with small splicing height error and assembling method |
| CN113452937A (en) * | 2021-05-24 | 2021-09-28 | 中国科学院西安光学精密机械研究所 | Self-adaptive driving signal satellite-borne CCD hyperspectral imaging circuit and method |
| CN113452937B (en) * | 2021-05-24 | 2023-12-08 | 中国科学院西安光学精密机械研究所 | Adaptive driving signal satellite-borne CCD hyperspectral imaging circuit and method |
| CN113639715A (en) * | 2021-07-13 | 2021-11-12 | 中国科学院西安光学精密机械研究所 | Spliced focal plane assembly |
| CN113639715B (en) * | 2021-07-13 | 2023-02-14 | 中国科学院西安光学精密机械研究所 | Spliced focal plane assembly |
| CN115150570A (en) * | 2022-09-06 | 2022-10-04 | 武汉加特林光学仪器有限公司 | Double-sampling signal processing circuit based on digital circuit and display panel detection equipment |
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