CN103499381A - Camera shutter micro-vibration physical simulation test processing system - Google Patents
Camera shutter micro-vibration physical simulation test processing system Download PDFInfo
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- CN103499381A CN103499381A CN201310446751.1A CN201310446751A CN103499381A CN 103499381 A CN103499381 A CN 103499381A CN 201310446751 A CN201310446751 A CN 201310446751A CN 103499381 A CN103499381 A CN 103499381A
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Abstract
The invention relates to a camera shutter micro-vibration physical simulation test processing system, which consists of a data collecting system, a six-component eight-sensor disturbance vibration force test table, a transfer plate, an acceleration sensor, a camera shutter and a display, wherein the camera shutter device is arranged on the six-component eight-sensor test table through the transfer plate, and meanwhile, the acceleration sensor is arranged on the camera shutter according to test requirements. In the work process, the camera shutter can generate micro disturbance on the six-component eight-sensor disturbance vibration force test table. The data collecting system collects signals of eight sensors of the six-component eight-sensor disturbance vibration force test table, carries out a series of calculation for obtaining the disturbance vibration force, and simultaneously collects signals of the acceleration sensor for obtaining the acceleration.
Description
Technical field
The present invention relates to the micro-vibration physics of a kind of camera shutter emulation testing disposal system, can be used for the vibration signal of spacecraft camera shutter device tiny perturbation load on six-freedom degree carried out to kinetic measurement, be mainly used in space industry.
Background technology
Camera shutter is the main devices of satellite imagery, for controlling the length of time shutter.Due to mass unbalance, the reasons such as bearing manufacturing defect and noise of motor, shutter produces periodically and the small power of shaking of disturbing in broadband celestial body, these disturb modulation and the amplification of the power of shaking through their internal dynamic characteristics, can produce considerable influence to light path pointing accuracy and the degree of stability of remote sensing satellite (GF-4).Consider that shutter device is arranged near imaging device, it is particularly important that this impact just seems.It is many that shutter is disturbed the factor that need to consider when the model that shakes is set up, as rotating speed, bearing collision harmonic wave and inner structure dynamic perfromance, the impact of mounting structure dynamic perfromance etc., makes foundation, demarcation and the check of its model have suitable difficulty.
Because the disturbance of spacecraft disturbing source is very little, indivedual useful load are as momenttum wheel three faint disturbances that direction can only produce even a few milli newton of tens milli newton in space, want to measure this type of disturbance very difficult in the ground experiment chamber with relatively strong jamming pattern noise, and the accuracy requirement of its respective sensor is very high.
Summary of the invention
The technical matters that the present invention solves is: overcome the deficiencies in the prior art, the micro-vibration physics of a kind of camera shutter emulation testing disposal system is provided, measure the microvibration produced when camera shutter rotates under different rotating speeds.
Technical scheme of the present invention is: the micro-vibration physics of a kind of camera shutter emulation testing disposal system comprises that camera shutter, hexagon card extender, six component eight sensors disturb the power test board that shakes, data acquisition and processing (DAP) system; Six component eight sensors are disturbed the power test board that shakes and are connected with camera shutter by the hexagon card extender; The data acquisition and processing (DAP) system is disturbed with six component eight sensors the power test board of shaking and is connected; Described data acquisition and processing (DAP) system comprises data acquisition module and computing machine; Six component eight sensors are disturbed the power test board of shaking and are measured the operating micro-vibration data of camera shutter, and deliver to the data acquisition and processing (DAP) system and carry out analyzing and processing, obtain the power of shaking of disturbing of camera shutter.
Also comprise acceleration transducer, for measuring camera shutter, disturb the acceleration while shaking.
The LMS SCAND III data acquisition module that described data acquisition module is LMS company.
The present invention compared with prior art has the following advantages:
(1) the present invention is arranged on six component eight sensors by camera shutter and disturbs on the power test board that shakes, and at each assembly place reasonable Arrangement acceleration measuring point, carry out the emulation testing of the micro-vibration physics of camera shutter, disturbing of while having simulated camera shutter work in the space, celestial body having been produced shaken.
(2) the present invention is simple in structure light and handy, and easy to use, reliability is high.
(3) the present invention is simply effective, by traditional machining, just can realize, and good manufacturability, cost is low.
The accompanying drawing explanation
Fig. 1 is the micro-vibration physics of a kind of camera shutter emulation testing disposal system schematic diagram.
Embodiment
As shown in Figure 1, the micro-vibration physics of a kind of camera shutter emulation testing disposal system, comprise that camera shutter 3, acceleration transducer 4, hexagon card extender 2, six component eight sensors disturb the power test board 1 that shakes, data acquisition and processing (DAP) system 5; Six component eight sensors are disturbed the power test board 1 that shakes and are connected with camera shutter 3 by hexagon card extender 2; Peripheral control unit and the camera shutter 3 that is connected, controlled the switch of camera shutter 3; Data acquisition and processing (DAP) system 5 is disturbed with six component eight sensors the power test board 1 that shakes and is connected; Six component eight sensors are disturbed the power test board 1 that shakes and are measured the operating micro-vibration data of camera shutter 3, and deliver to data acquisition and processing (DAP) system 5 and carry out analyzing and processing, obtain the power of shaking of disturbing of camera shutter 3.
Described data acquisition and processing (DAP) system 5 is comprised of LMS SCAND III data acquisition module and the computing machine of LMS company.
Acceleration transducer 4 can be arranged test micro-Vibration Condition everywhere as required, each sensor is connected with data acquisition and processing (DAP) system 5 by wire, this physical simulation disposal system can accurately be measured the disturbing force in camera shutter 3 microvibration sources, and the reliability of measuring is high.
Hexagon card extender 2 and six component eight sensors all leave threaded hole in the middle of disturbing the power test board 1 that shakes, and make hexagon card extender 2 and six component eight sensors disturb to shake and are fixed together by bolt between power test board 1.
The content be not described in detail in instructions of the present invention belongs to those skilled in the art's known technology.
Claims (3)
1. the micro-vibration physics of a camera shutter emulation testing disposal system is characterized in that: comprise that camera shutter (3), hexagon card extender (2), six component eight sensors disturb the power test board (1) that shakes, data acquisition and processing (DAP) system (5); Six component eight sensors are disturbed the power test board (1) that shakes and are connected with camera shutter (3) by hexagon card extender (2); Data acquisition and processing (DAP) system (5) is disturbed with six component eight sensors the power test board (1) that shakes and is connected; Described data acquisition and processing (DAP) system (5) comprises data acquisition module and computing machine; Six component eight sensors are disturbed the power test board (1) that shakes and are measured the operating micro-vibration data of camera shutter (3), and data are delivered to data acquisition and processing (DAP) system (5) and carry out analyzing and processing, obtain the power of shaking of disturbing of camera shutter (3).
2. the micro-vibration physics of a kind of camera shutter according to claim 1 emulation testing disposal system is characterized in that: also comprise acceleration transducer (4), for measuring camera shutter (3), disturb the acceleration while shaking.
3. the micro-vibration physics of a kind of camera shutter according to claim 1 emulation testing disposal system, is characterized in that: the LMS SCAND III data acquisition module that described data acquisition module is LMS company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446751.1A CN103499381A (en) | 2013-09-26 | 2013-09-26 | Camera shutter micro-vibration physical simulation test processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446751.1A CN103499381A (en) | 2013-09-26 | 2013-09-26 | Camera shutter micro-vibration physical simulation test processing system |
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| Publication Number | Publication Date |
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| CN103499381A true CN103499381A (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310446751.1A Pending CN103499381A (en) | 2013-09-26 | 2013-09-26 | Camera shutter micro-vibration physical simulation test processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472669A (en) * | 2013-09-26 | 2013-12-25 | 北京空间飞行器总体设计部 | Camera shutter micro-vibration physical simulation testing processing system and testing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592518A (en) * | 2009-06-24 | 2009-12-02 | 北京航空航天大学 | A kind of high-precision microvibration measuring system |
| CN103323097A (en) * | 2013-06-19 | 2013-09-25 | 北京航空航天大学 | Ultra-low frequency high-accuracy micro-vibration measuring system |
| CN203519146U (en) * | 2013-09-26 | 2014-04-02 | 北京空间飞行器总体设计部 | Camera shutter micro-vibration physical simulation test processing apparatus |
-
2013
- 2013-09-26 CN CN201310446751.1A patent/CN103499381A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592518A (en) * | 2009-06-24 | 2009-12-02 | 北京航空航天大学 | A kind of high-precision microvibration measuring system |
| CN103323097A (en) * | 2013-06-19 | 2013-09-25 | 北京航空航天大学 | Ultra-low frequency high-accuracy micro-vibration measuring system |
| CN203519146U (en) * | 2013-09-26 | 2014-04-02 | 北京空间飞行器总体设计部 | Camera shutter micro-vibration physical simulation test processing apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472669A (en) * | 2013-09-26 | 2013-12-25 | 北京空间飞行器总体设计部 | Camera shutter micro-vibration physical simulation testing processing system and testing method thereof |
| CN103472669B (en) * | 2013-09-26 | 2016-01-13 | 北京空间飞行器总体设计部 | The method of testing of a kind of camera shutter micro-vibration physical simulation test processes system |
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Application publication date: 20140108 |