CN106767908A - A kind of earth simulator for earth for linear array infrared earth sensor polarity measurement - Google Patents
A kind of earth simulator for earth for linear array infrared earth sensor polarity measurement Download PDFInfo
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- CN106767908A CN106767908A CN201611079229.4A CN201611079229A CN106767908A CN 106767908 A CN106767908 A CN 106767908A CN 201611079229 A CN201611079229 A CN 201611079229A CN 106767908 A CN106767908 A CN 106767908A
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- earth
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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Abstract
The invention discloses a kind of earth simulator for earth for linear array infrared earth sensor polarity measurement, including four earth border infra-red radiation analogue units and system control unit.Which is mainly characterized in that：Earth border infra-red radiation analogue unit is simulated by the infra-red radiation difference that system control unit adjusts hot plate and cold stop, cold stop position is unique, test trapped orbit, there is provided ground test means for rail control subsystem carries out linear array static state infrared earth sensor, so guarantee infrared earth sensor for satellite is provided high-precision attitude measurement.The invention has the advantages that：Simulator good stability, compact is light.
Description
Technical field
The present invention relates to the ground checkout equipment of spaceborne infrared earth sensor.It is specifically related to a kind of infrared suitable for linear array
Earth sensor detection means, the production method in novel analog terrestrial radiation source.
Background technology
It is to measure spacecraft relative to local vertical using the infra-red radiation of the earth itself that infrared earth sensor is a kind of
Or the attitude sensor in local Horizon orientation, also referred to as horizon instrument.Current infrared earth sensor mainly has 3 kinds of forms：Horizon
Pass through formula, frontier tracing formula and radiation thermal balance type.Linear array static state infrared earth sensor is that a kind of typical radiant heat is put down
Weighing apparatus formula earth sensor, because without moving component, volume and quality are smaller, low in energy consumption, is particularly suitable for long-life aerial mission,
Be widely used in absolute orientation detective, meteorological, communication, provide etc. on artificial satellite.
Linear array static state infrared earth sensor (hereinafter referred to as earth sensor) typically has at equal intervals symmetrical 4
Individual optical system.Each optical system receives the infra-red radiation from earth different piece respectively, by each optical system
The different infrared energies for receiving are analyzed and draw spacecraft attitude.For example earth sensor works as all optical systems
When reception energy is equal, represent that spacecraft attitude angle is zero.When former and later two optical systems reception energy is unequal, boat is represented
Its device has attitude misalignment in pitch axis；Similarly, when the visual field reception energy of left and right two is unequal, expression has appearance in the axis of rolling
State deviation.
The performance and precision of earth sensor will directly affect satellite working condition in orbit.In order to sensitive to the earth
Device carries out polarity test and precision calibration, it is necessary on the ground for its a set of special polarity test equipment of exploitation, i.e. polarity are surveyed
The earth simulator for earth of amount,
The content of the invention
It is an object of the invention to be adapted to carry out polarity on ground for linear array static state infrared earth sensor provides one kind
The earth simulator for earth of test.
The present invention is that a kind of earth simulator for earth for linear array infrared earth sensor polarity measurement includes four earth sides
Boundary infra-red radiation analogue unit 1 and system control unit 2；
The earth border infra-red radiation analogue unit 1 includes First Transition ring 1-1, the first adaptor 1-2, the second transition
Ring 1-3, the second adaptor 1-4, infrared collimating mirror 1-5, cold stop 1-6, hot plate 1-7, heating film 1-8, heating film thermal insulating
Plate 1-9 and back cover 1-10.Heating film 1-8 is pasted onto on hot plate 1-7, and heating film thermal insulating plate 1-9 is covered in heating film 1-8
Upper to be connected with hot plate 1-7 by screw, heating film thermal insulating plate 1-9 and back cover 1-10 is connected by screw fixation, infrared
Collimating mirror 1-5 and cold stop 1-6 and back cover 1-10 is connected by screw fixation, and the second adaptor 1-4 and infrared collimating mirror 1-5 leads to
Cross the second transition rings 1-3 threaded connections to fix, the first adaptor 1-2 is connected by screw with the second adaptor 1-4, first
Adaptor 1-2 is threadedly coupled fixation with infrared earth sensor by First Transition ring 1-1.
The temperature of hot plate 1-7 and cold stop 1-6 in the control of system control unit 2 earth border infra-red radiation analogue unit 1
Degree differential mode intends earth border infra-red radiation, and four infra-red radiation analogue units collectively constitute whole infrared earth heat radiation, so that
Realize in linear array infrared earth sensor ground polarity test and calibration.
The invention has the advantages that：Simulator good stability, compact is light.
Brief description of the drawings
Fig. 1 is that earth simulator for earth constitutes figure；
In figure：1- earth border infra-red radiation analogue unit；2- system control units.
Fig. 2 is earth simulator for earth structure chart；
In figure：1-1- First Transitions ring, the adaptors of 1-2- first, the transition rings of 1-3- second, the adaptors of 1-4- second, 1-5-
Infrared collimating mirror and 1-6- cold stops, 1-7- hot plates, 1-8- heating film, 1-9- heating film thermal insulatings plate, 1-10- back covers.
Specific embodiment
One of the invention preferable embodiment is given below according to Fig. 1, Fig. 2, and is described in detail, so as to preferably
Solve architectural feature of the invention and functional characteristics.It is pointed out that the example for being given is to illustrate the present invention, rather than with
To limit the scope of the present invention.
The present invention includes four earth border infra-red radiation analogue units 1 and system control unit 2 as shown in Figure 1；Wherein
The temperature difference of the hot plate 1-7 and cold stop 1-6 in earth border infra-red radiation analogue unit 1 is controlled by system control unit 2
Simulation earth border infra-red radiation, four infra-red radiation analogue units collectively constitute whole earth border infrared emanation,
The as shown in Figure 2 earth border infra-red radiation analogue unit include First Transition ring 1-1, the first adaptor 1-2,
Second transition rings 1-3, the second adaptor 1-4, infrared collimating mirror 1-5, cold stop 1-6, hot plate 1-7, heating film 1-8, heating
Film thermal insulating plate 1-9 and back cover 1-10.Heating film 1-8 is pasted onto on hot plate 1-7, and heating film thermal insulating plate 1-9 is covered in and adds
It is connected with hot plate 1-7 by screw on hot film 1-8, heating film thermal insulating plate 1-9 and back cover 1-10 is connected by screw
Fixed, infrared collimating mirror 1-5 and cold stop 1-6 and back cover 1-10 is connected by screw fixation, the second adaptor 1-4 and infrared standard
Straight mirror 1-5 is threadedly coupled by the second transition rings 1-3 and fixed, and the first adaptor 1-2 is connected by screw with the second adaptor 1-4
Fixed, the first adaptor 1-2 is threadedly coupled fixation with infrared earth sensor by First Transition ring 1-1, by system control
The temperature difference simulation earth border of hot plate 1-7 and cold stop 1-6 in the control of unit 2 earth border infra-red radiation analogue unit 1
Infra-red radiation, four infra-red radiation analogue units collectively constitute whole earth border infrared emanation, so as to realize in linear array
Infrared earth sensor ground polarity test and calibration.
Wherein infrared collimating mirror 1-6 focal lengths are 15mm, and the angle of visual field is 32 °, and cold stop 1-2 materials are 2A12, hot plate 1-7 materials
Expect to be T2, cold stop is processed with the equal black anodizing of hotplate surface, emission ratio εh>=0.85, First Transition ring material T2,
For the second transition ring material is T2, the first adaptor material is 2A12, and the second adaptor material is polyimides.
Claims (1)
1. a kind of earth simulator for earth for linear array infrared earth sensor polarity measurement, including four earth border infra-red radiations
Analogue unit (1) and system control unit (2)；
Described earth border infra-red radiation analogue unit (1) includes First Transition ring (1-1), the first adaptor (1-2), second
Transition rings (1-3), the second adaptor (1-4), infrared collimating mirror (1-5), cold stop (1-6), hot plate (1-7), heating film (1-
8), heating film thermal insulating plate (1-9) and back cover (1-10), described heating film (1-8) are pasted onto on hot plate (1-7), are heated
Film thermal insulating plate (1-9) is covered in heating film (1-8) and is connected with hot plate (1-7) by screw, heats film thermal insulating
Plate (1-9) is connected by screw fixation, infrared collimating mirror (1-5) and cold stop (1-6) and back cover (1-10) with back cover (1-10)
Fixation is connected by screw, the second adaptor (1-4) is threadedly coupled with infrared collimating mirror (1-5) by the second transition rings (1-3)
Fixed, the first adaptor (1-2) is connected by screw with the second adaptor (1-4), and the first adaptor (1-2) passes through first
Transition rings (1-1) are threadedly coupled fixation with infrared earth sensor；
System control unit (2) controls the hot plate (1-7) and cold stop (1-6) in earth border infra-red radiation analogue unit (1)
Temperature difference simulation earth border infra-red radiation, four infra-red radiation analogue units collectively constitute the whole infrared spoke in earth border
Penetrate, so as to realize in linear array infrared earth sensor ground polarity test and calibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611079229.4A CN106767908A (en) | 2016-11-30 | 2016-11-30 | A kind of earth simulator for earth for linear array infrared earth sensor polarity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611079229.4A CN106767908A (en) | 2016-11-30 | 2016-11-30 | A kind of earth simulator for earth for linear array infrared earth sensor polarity measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106767908A true CN106767908A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611079229.4A Pending CN106767908A (en) | 2016-11-30 | 2016-11-30 | A kind of earth simulator for earth for linear array infrared earth sensor polarity measurement |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002039062A1 (en) * | 2000-11-08 | 2002-05-16 | Centre National D'etudes Spatiales | Ground test bench for stellar sensor |
| CN101462599A (en) * | 2008-12-15 | 2009-06-24 | 中国科学院上海技术物理研究所 | Novel terrestrial globe simulator for static state infrared horizon ground detection |
| CN105136171A (en) * | 2015-09-22 | 2015-12-09 | 中国科学院上海技术物理研究所 | Simulation method based on device for generating electrical signals for linear array infrared earth sensor |
-
2016
- 2016-11-30 CN CN201611079229.4A patent/CN106767908A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002039062A1 (en) * | 2000-11-08 | 2002-05-16 | Centre National D'etudes Spatiales | Ground test bench for stellar sensor |
| CN101462599A (en) * | 2008-12-15 | 2009-06-24 | 中国科学院上海技术物理研究所 | Novel terrestrial globe simulator for static state infrared horizon ground detection |
| CN105136171A (en) * | 2015-09-22 | 2015-12-09 | 中国科学院上海技术物理研究所 | Simulation method based on device for generating electrical signals for linear array infrared earth sensor |
Non-Patent Citations (2)
| Title |
|---|
| 张国玉等: "小型准直式红外地球模拟器研究", 《仪器仪表学报》 * |
| 王航等: "高轨道准直式红外地球模拟器光学系统设计", 《光学仪器》 * |
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Application publication date: 20170531 |