CN206141872U - A rotatory earth simulator for area array infrared earth sensor - Google Patents
A rotatory earth simulator for area array infrared earth sensor Download PDFInfo
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- CN206141872U CN206141872U CN201621119922.5U CN201621119922U CN206141872U CN 206141872 U CN206141872 U CN 206141872U CN 201621119922 U CN201621119922 U CN 201621119922U CN 206141872 U CN206141872 U CN 206141872U
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- earth
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Abstract
The utility model discloses a rotatory earth simulator for area array infrared earth sensor, this simulator include earth infrared analogue unit, gesture analogue unit and system control unit. Earth infrared analogue unit is through poor simulation of infrared of adjustment hot plate and cold light door screen, and the change through changing different apertures cold light door screen simulation orbit altitude, gesture analogue unit rotates through stepper motor drives earth infrared analogue unit, carries out the simulation that the gesture angle changes, the system control unit is through engineering calculation machine and electric cabinet to earth infrared analogue unit's cold and hot board temperature difference control, to gesture analogue unit's step motor control and zero -bit on -off control. Thereby in subaerial test and demarcation behind the realization infrared earth sensor dress star. This patent advantage lies in: the commonality of simulator is strong, stable good, and small in size is light.
Description
Technical field
This patent is related to the ground checkout equipment of spaceborne infrared earth sensor, and in particular to one kind is used for face battle array infraredly
The rotation earth simulator for earth of ball sensor polarity test.
Background technology
Infrared earth sensor is the conventional photoelectricity attitude sensitive instrumentation of satellite attitude control system, and its operation principle is logical
A part (or whole) border of the radiation difference acquisition ground flat round of the earth and space background is crossed, and by boundary information by various calculations
Method obtains the attitude of satellite.
Static infrared earth sensor adopts face battle array focus planardetector array, and Jiao that detector is placed in optical system is put down
On face, the orientation of the RESPONSE CALCULATION earth by detecting the earth infrared image to being projected on focal plane.The static earth is sensitive
Device has the advantages that light weight, low in energy consumption compared with dynamic earth sensor, and can be by appropriate algorithm to Atmospheric models
Error is modified, so as to improve the precision and reliability of attitude test.
Static earth sensor includes 2 kinds of linear array and face battle array.Face battle array earth sensor then will be imaged to entirely flat round, it
Judge the center of ground flat round by calculating ground flat round in the center of whole imaging detector face imaging.Face position ball is quick
The precision of sensor is higher than the earth sensor of linear array.
Rotation earth simulator for earth is equipped with the satellite of face battle array infrared earth sensor to carry out the important of ground test test and sets
It is standby.To provide means of testing after the battle array infrared earth sensor dress star of face, it is ensured that the technical indicator of sensor meets requirement and items
Function is normal.
The content of the invention
This patent is used for the rotation earth simulator for earth of face battle array infrared earth sensor, and it includes that the simulation of earth infra-red radiation is single
Unit 1, attitude-simulating unit 2 and system control unit 3.
Film 1-2 is heated in the earth infra-red radiation analogue unit to be attached on hot plate 1-3, heats film heat-insulating plate 1-1
Be covered on heating film 1-2 and be connected with hot plate 1-3 by screw, hot plate 1-3 and cold stop 1-5 pass through three hot plates every
Hot support 1-4 is attached fixation, and infrared collimating mirror 1-6 is connected by screw with framework lower cover 2-7, by controlling ground
The temperature difference of hot plate 1-1 and cold stop 1-5 in ball infra-red radiation analogue unit 1, simulates earth infra-red radiation, cold stop 1-5
On different apertures simulation multiple orbital attitudes earth infra-red radiations are provided with according to feature orbit altitude；
Stepper motor 2-1 is connected by screw with framework upper cover plate 2-2 in the attitude-simulating unit 2, stepping electricity
The shaft end of machine 2-1 passes through four frame pillars with electric machine connecting support 2-3 by framework upper cover plate 2-2 and framework lower cover 2-7
2-5 is connected, and four framework side plate 2-4 are separately mounted on four frame pillar 2-5 by screw, and zero position switch 2-6 leads to
Cross screw to be connected with framework lower cover 2-7, zero position switch catch 2-8 is connected by screw with cold stop 1-5；
Controlling attitude-simulating unit 2 by system control unit 3 drives earth infra-red radiation analogue unit 1 to be rotated,
The angle change of the different attitudes of simulation.So as to realize in face battle array infrared earth sensor dress star post-simulation satellite load attitude angle
Change, carries out the test of attitude angle.
This patent advantage is：Simulator highly versatile, good stability, compact is light.
Description of the drawings
For the clearer explanation embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it is therefore apparent that drawings in the following description are the one of this patent
A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is a kind of composition figure of the rotation earth simulator for earth for face battle array infrared earth sensor of this patent；In figure：1-
Earth infra-red radiation analogue unit；2- attitude-simulating units；3- system control units.
Fig. 2 is a kind of structure chart of the rotation earth simulator for earth for face battle array infrared earth sensor of this patent.
In figure：1-1- heating film heat-insulating plates, 1-2- heating films, 1-3- hot plates, 1-4- hot plate heat-insulating brackets, 1-5- are cold
Diaphragm and the infrared collimating mirrors of 1-6-, 2-1- stepper motors, 2-2- framework upper cover plates, 2-3- electric machine connecting supports, 2-4- frameworks side
Plate, 2-5- frame pillars, 2-6- zero position switchs, 2-7- frameworks lower cover and 2-8- zero position switch catch；
Specific embodiment
Fig. 1, Fig. 2 are the preferable embodiment of this patent one, and are described in detail, more preferably to understand this patent
Architectural feature and functional characteristics, it is noted that given embodiment is, in order to describe the present invention in detail, rather than to be used for
Limit the scope of this patent.
As shown in figure 1, a kind of rotation earth simulator for earth for face battle array infrared earth sensor, including：The infrared spoke of the earth
Penetrate analogue unit 1, attitude-simulating unit 2 and system control unit 3 to constitute.Wherein by controlling earth infra-red radiation analogue unit
1 produces infrared radiation signal, and attitude-simulating unit 2 drives infra-red radiation analogue unit 1 to be rotated, and system control unit 3 is controlled
The temperature difference of earth infra-red radiation analogue unit 1 processed and the rotational parameters of attitude-simulating unit 2 are simulating (0 ° of roll angle, the angle of pitch
5 °), (5 ° of roll angle, 0 ° of the angle of pitch) (0 ° of roll angle, -5 ° of the angle of pitch) and (- 5 ° of roll angle, 0 ° of the angle of pitch) four attitude angles ground
Ball infra-red radiation, face battle array infrared earth sensor by collection, process and be calculated corresponding attitude angle change, and rotatably
The attitude angle of ball simulator simulation carries out correspondence, comes after the battle array infrared earth sensor dress star of opposite to carry out ground experiment and judges to survey
Examination.
As shown in Fig. 2 heating film 1-2 is attached on hot plate 1-3 using adhesive means, in order to ensure good insulation
Performance, heating film heat-insulating plate 1-1 is covered on heating film 1-2 and is connected with hot plate by screw, hot plate 1-3 and cold stop
1-5 is attached fixation by three hot plate heat-insulating bracket 1-4, and infrared collimating mirror 1-6 is fixed on framework lower cover by screw
On 2-7；Stepper motor 2-1 is connected by screw with framework upper cover plate 2-2, the shaft end of stepper motor 2-1 and electric machine connecting support
2-3 passes through, and framework upper cover plate 2-2 and framework lower cover 2-7 is connected by four frame pillar 2-5, four framework side plates
2-4 is separately mounted on four frame pillar 2-5 by screw, and zero position switch 2-6 is arranged on framework lower cover 2-7 by screw
Inner side, zero position switch catch 2-8 is arranged on cold stop 1-5.
The clear aperture of its mid-infrared collimating mirror 1-6 is 70mm, and focal length is 93.24mm, cold stop 1-5 diaphragms, hot plate 1-3
The equal black anodizing in surface is processed, emission ratio εh≥0.85。
Claims (1)
- A kind of 1. rotation earth simulator for earth for face battle array infrared earth sensor, including earth infra-red radiation analogue unit (1), Attitude-simulating unit (2) and system control unit (3), it is characterised in that：In described earth infra-red radiation analogue unit (1), heating film (1-2) is attached on hot plate (1-3), heats film heat-insulating Plate (1-1) is covered in heating film (1-2) and by screw and is connected with hot plate (1-3), hot plate (1-3) and cold stop (1-5) fixation is attached by three hot plate heat-insulating brackets (1-4), infrared collimating mirror (1-6) is by screw and framework lower cover Plate (2-7) is connected, by the hot plate (1-1) in control earth infra-red radiation analogue unit (1) and the temperature of cold stop (1-5) Degree is poor, simulates earth infra-red radiation, and the different different rails of aperture simulation are provided with according to feature orbit altitude on cold stop (1-5) Road height earth infra-red radiation；In described attitude-simulating unit (2), stepper motor (2-1) is connected by screw with framework upper cover plate (2-2), step The shaft end of stepper motor (2-1) is passed through with electric machine connecting support (2-3) by framework upper cover plate (2-2) and framework lower cover (2-7) Four frame pillars (2-5) are connected, and four framework side plates (2-4) are separately mounted to four frame pillar (2- by screw 5) on, zero position switch (2-6) is connected by screw with framework lower cover 2-7, zero position switch catch (2-8) by screw with Cold stop (1-5) is connected；System control unit (3) control attitude-simulating unit (2) drives earth infra-red radiation analogue unit (1) to be rotated, mould Intend the angle change of different attitudes, so as to realize that the change of star post-simulation satellite load attitude angle is filled in face battle array infrared earth sensor Change, carry out the test of attitude angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119922.5U CN206141872U (en) | 2016-10-13 | 2016-10-13 | A rotatory earth simulator for area array infrared earth sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621119922.5U CN206141872U (en) | 2016-10-13 | 2016-10-13 | A rotatory earth simulator for area array infrared earth sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206141872U true CN206141872U (en) | 2017-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621119922.5U Withdrawn - After Issue CN206141872U (en) | 2016-10-13 | 2016-10-13 | A rotatory earth simulator for area array infrared earth sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN206141872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394944A (en) * | 2016-10-13 | 2017-02-15 | 中国科学院上海技术物理研究所 | Rotating earth simulator for area-array infrared earth sensor |
-
2016
- 2016-10-13 CN CN201621119922.5U patent/CN206141872U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394944A (en) * | 2016-10-13 | 2017-02-15 | 中国科学院上海技术物理研究所 | Rotating earth simulator for area-array infrared earth sensor |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170503 Effective date of abandoning: 20180814 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170503 Effective date of abandoning: 20180814 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |