CN211477584U - Optical performance testing device - Google Patents
Optical performance testing device Download PDFInfo
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- CN211477584U CN211477584U CN201922201580.1U CN201922201580U CN211477584U CN 211477584 U CN211477584 U CN 211477584U CN 201922201580 U CN201922201580 U CN 201922201580U CN 211477584 U CN211477584 U CN 211477584U
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Abstract
The utility model provides an optical performance testing device, which comprises an optical platform, a mounting bracket, a three-axis precision guide rail displacement platform, a brightness and colorimeter adjusting platform, a brightness and colorimeter, an angle testing component and a background light source; a background light source, a three-axis precision guide rail displacement platform and a mounting bracket are arranged on the optical platform; the angle testing component and the brightness colorimeter adjusting platform are arranged on the three-axis precision guide rail displacement platform; the mounting bracket main body is of a door-shaped structure and is arranged above the three-axis precision guide rail displacement platform; the lower side of the top of the mounting support can be provided with a tested cabin display system through an auxiliary tool. The utility model discloses integration degree is high, and the precision is high, is applicable to the aiming system, can realize that the wide-angle outdoor scene distortion is measured, and the collimation benchmark is follow-up, can realize automatic test, gets rid of people's subjective factor, and the authenticity is high, can simulate external different ambient light, and luminance is adjustable, and the colourity is adjustable.
Description
Technical Field
The utility model relates to a passenger cabin display system optical performance test technical field specifically is an optical performance testing arrangement for various passenger cabin display systems's such as military and civilian multi-field aircraft automobile high-speed railway optical performance test.
Background
At present, optical performance tests of cockpit display systems are mainly carried out independently by each subsystem according to respective indexes, human eyes are often adopted to visually and subjectively judge and participate, so that the existing optical performance tests of the cockpit display systems lack systematicness, each project has a respective testing device, misoperation easily exists during project changing tests, and the operation process is complex and automatic tests cannot be carried out.
Disclosure of Invention
To various passenger cabin display system testing arrangement such as current aircraft car high-speed railway scattered, the kind is many, bulky, inefficiency, not systematic scheduling problem, the utility model provides an optical property testing arrangement possesses the advantage of high accuracy, automation, integration, wide angle, high authenticity.
The technical scheme of the utility model is that:
the optical performance testing device is characterized in that: the device comprises an optical platform, a mounting bracket, a three-axis precision guide rail displacement platform, a brightness and colorimeter adjusting platform, a brightness and colorimeter, an angle testing component and a background light source;
a background light source, a three-axis precision guide rail displacement platform and a mounting bracket are arranged on the optical platform; wherein, the light outlet of the background light source faces the three-axis precision guide rail displacement platform;
the angle testing component and the brightness and colorimeter adjusting platform are arranged on the three-axis precision guide rail displacement platform; the three-axis precision guide rail displacement platform can realize the position movement of the mounting part on the displacement platform in the light emergent direction parallel to the background light source and in the plane perpendicular to the light emergent direction of the background light source; a brightness colorimeter is arranged on the brightness colorimeter adjusting platform;
the mounting bracket main body is of a door-shaped structure and is arranged above the three-axis precision guide rail displacement platform; the lower side of the top of the mounting bracket can be provided with a tested cockpit display system through an auxiliary tool;
the angle testing component comprises a driving motor, a rotary table, an image acquisition CCD and an outdoor scene target simulator; the image acquisition CCD is fixedly arranged on the rotary table and can perform azimuth and pitching motion under the drive of the motor; the outdoor scene target simulator adopts a micro collimator, the micro collimator is connected to the rotary table through a support rod with a fixed seat, the micro collimator is optically coaxial with the image acquisition CCD and can synchronously perform azimuth and pitching motion along with the image acquisition CCD under the drive of a motor, and the optical coaxiality is kept in the motion process; the space between the micro collimator and the image acquisition CCD can accommodate a display component of the display system of the tested seat.
Further preferably, the optical performance testing apparatus is characterized in that: the background light source is connected with the optical platform through a moving guide rail on the surface of the optical platform, and the background light source can move along the guide rail in the direction towards and away from the three-axis precision guide rail displacement platform.
Further preferably, the optical performance testing apparatus is characterized in that: the background light source is formed by combining a multi-chip integrated high-power white light LED illuminating light source and LED light sources with different color temperatures, so that the color temperature can be adjusted while the brightness is adjusted.
Further preferably, the optical performance testing apparatus is characterized in that: the micro collimator consists of a collimator tube, a folding mirror, a connecting bracket and a locking hand wheel; the collimator and the refraction mirror are combined and arranged on the connecting bracket; the connecting bracket is detachably connected with the fixed seat at the end part of the supporting rod and can be fastened through a locking hand wheel; when an external scene target is required to be matched and tested, the connecting bracket is inserted into the fixing seat and locked by the locking hand wheel, and the collimator outputs an infinite simulation target which is optically coaxial with the image acquisition CCD after passing through the refraction reflector.
Further preferably, the optical performance testing apparatus is characterized in that: the image acquisition CCD has an auto-collimation function, can acquire auto-collimation images and realizes zero calibration.
Advantageous effects
The optical performance testing device provided by the utility model can realize automatic testing, remove subjective factors of people, realize big data measurement, and is convenient for searching display performance mutation points; the device has high integration degree and simplified volume, the micro collimator is combined with the rotary table to replace the traditional large collimator, the precision is high, and the device is suitable for a sighting system; the device can realize wide-angle external scene distortion measurement, the collimation reference is followed, and the small parallel light tube is combined with the turntable to realize the large-angle collimation effect; the device authenticity is high, can simulate different external environment light, and luminance is adjustable, and the colourity is adjustable.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1: the front schematic view of the utility model;
FIG. 2: the side view of the utility model is schematically shown;
wherein: the method comprises the following steps of 1-an angle testing part, 2-a brightness colorimeter adjusting platform, 3-a background light source, 4-an outdoor scene target simulator, 5-a mounting bracket, 6-a three-axis precision guide rail displacement platform, 7-a brightness colorimeter, 8-an optical platform, 9-a control cabinet, 10-an auxiliary tool, 11-an operation display platform and 12-a movable guide rail.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative, and not to be construed as limiting the invention.
As shown in fig. 1 and fig. 2, the optical performance testing apparatus in this embodiment includes an optical platform, a mounting bracket, a three-axis precision guide displacement platform, a luminance colorimeter adjustment stage, a luminance colorimeter, an angle testing component, and a background light source.
The optical platform is provided with a background light source, a three-axis precision guide rail displacement platform and a mounting bracket. The background light source is connected with the optical platform through the movable guide rail on the surface of the optical platform, a light outlet of the background light source faces the three-axis precision guide rail displacement platform, and the background light source can move along the guide rail in the direction facing to and departing from the three-axis precision guide rail displacement platform. The background light source is capable of adjusting the required brightness, the light color and the outlet uniformity, and in the embodiment, the background light source is formed by combining a multi-chip integrated high-power white light LED illuminating light source and LED light sources with different color temperatures, so that the color temperature can be adjusted while the brightness is adjusted.
The angle testing component and the brightness and colorimeter adjusting platform are arranged on the three-axis precision guide rail displacement platform; the three-axis precision guide rail displacement platform can realize the position movement of the mounting part on the displacement platform in the light emergent direction parallel to the background light source and in the plane perpendicular to the light emergent direction of the background light source; the brightness colorimeter is arranged on the brightness colorimeter adjusting platform and used for measuring brightness and chromaticity indexes of different fields of view.
The mounting bracket main body is of a door-shaped structure and is arranged above the three-axis precision guide rail displacement platform, and the tested cockpit display system can be mounted on the lower side of the top of the mounting bracket through an auxiliary tool.
The angle testing component comprises a driving motor, a rotary table, an image acquisition CCD and an outdoor scene target simulator; the image acquisition CCD is fixedly arranged on the rotary table and can perform azimuth and pitching motion under the drive of a motor, the whole function is like a specially-made 'electric theodolite' of the same frame, wherein the image acquisition CCD replaces the observation of human eyes, the pitching and azimuth adjusting and measuring mechanism has the theodolite angle measuring function, and can adjust the image acquisition CCD to the set pitching and azimuth position under the control of a computer in the control cabinet, so as to acquire the image of any view field position of the head display of the tested cabin display system in the full view field range; the image acquisition CCD has an auto-collimation function, can acquire auto-collimation images and realizes zero calibration.
The outdoor scene target simulator adopts a micro collimator, the micro collimator is connected to the rotary table through a support rod with a fixed seat, the micro collimator is optically coaxial with the image acquisition CCD and can synchronously perform azimuth and pitching motion along with the image acquisition CCD under the drive of a motor, and the optical coaxiality is kept in the motion process; the space between the micro collimator and the image acquisition CCD can accommodate a display component of the display system of the tested seat.
The micro collimator consists of a collimator tube, a folding mirror, a connecting bracket and a locking hand wheel; the collimator and the refraction mirror are combined and arranged on the connecting bracket; the connecting bracket is detachably connected with the fixed seat at the end part of the supporting rod and can be fastened through a locking hand wheel; when an external scene target is required to be matched and tested, the connecting support is inserted into the fixing seat and locked by the locking hand wheel, at the moment, the collimator tube outputs an infinite simulation target, and the infinite simulation target and the image acquisition CCD are optically coaxial after passing through the refraction reflector to form the theodolite with the external scene target simulator.
The embodiment can realize various optical performance test tasks, such as turning on a background light source, removing an external scene target simulator, and testing the display performance of the tested cockpit display system under different background light conditions by adopting the image acquisition CCD and the luminance colorimeter; and for example, turning off a background light source, installing an external scene target simulator, and testing the large-angle external scene distortion display performance and the like of the display system of the tested cabin by adopting the image acquisition CCD.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (5)
1. An optical performance testing device, characterized by: the device comprises an optical platform, a mounting bracket, a three-axis precision guide rail displacement platform, a brightness and colorimeter adjusting platform, a brightness and colorimeter, an angle testing component and a background light source;
a background light source, a three-axis precision guide rail displacement platform and a mounting bracket are arranged on the optical platform; wherein, the light outlet of the background light source faces the three-axis precision guide rail displacement platform;
the angle testing component and the brightness and colorimeter adjusting platform are arranged on the three-axis precision guide rail displacement platform; the three-axis precision guide rail displacement platform can realize the position movement of the mounting part on the displacement platform in the light emergent direction parallel to the background light source and in the plane perpendicular to the light emergent direction of the background light source; a brightness colorimeter is arranged on the brightness colorimeter adjusting platform;
the mounting bracket main body is of a door-shaped structure and is arranged above the three-axis precision guide rail displacement platform; the lower side of the top of the mounting bracket can be provided with a tested cockpit display system through an auxiliary tool;
the angle testing component comprises a driving motor, a rotary table, an image acquisition CCD and an outdoor scene target simulator; the image acquisition CCD is fixedly arranged on the rotary table and can perform azimuth and pitching motion under the drive of the motor; the outdoor scene target simulator adopts a micro collimator, the micro collimator is connected to the rotary table through a support rod with a fixed seat, the micro collimator is optically coaxial with the image acquisition CCD and can synchronously perform azimuth and pitching motion along with the image acquisition CCD under the drive of a motor, and the optical coaxiality is kept in the motion process; the space between the micro collimator and the image acquisition CCD can accommodate a display component of the display system of the tested seat.
2. An optical performance testing device according to claim 1, wherein: the background light source is connected with the optical platform through a moving guide rail on the surface of the optical platform, and the background light source can move along the guide rail in the direction towards and away from the three-axis precision guide rail displacement platform.
3. An optical performance testing device according to claim 1 or 2, characterized in that: the background light source is formed by combining a multi-chip integrated high-power white light LED illuminating light source and LED light sources with different color temperatures, so that the color temperature can be adjusted while the brightness is adjusted.
4. An optical performance testing device according to claim 1, wherein: the micro collimator consists of a collimator tube, a folding mirror, a connecting bracket and a locking hand wheel; the collimator and the refraction mirror are combined and arranged on the connecting bracket; the connecting bracket is detachably connected with the fixed seat at the end part of the supporting rod and can be fastened through a locking hand wheel; when an external scene target is required to be matched and tested, the connecting bracket is inserted into the fixing seat and locked by the locking hand wheel, and the collimator outputs an infinite simulation target which is optically coaxial with the image acquisition CCD after passing through the refraction reflector.
5. An optical performance testing device according to claim 1, wherein: the image acquisition CCD has an auto-collimation function, can acquire auto-collimation images and realizes zero calibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922201580.1U CN211477584U (en) | 2019-12-10 | 2019-12-10 | Optical performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922201580.1U CN211477584U (en) | 2019-12-10 | 2019-12-10 | Optical performance testing device |
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|---|---|
| CN211477584U true CN211477584U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922201580.1U Active CN211477584U (en) | 2019-12-10 | 2019-12-10 | Optical performance testing device |
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| CN (1) | CN211477584U (en) |
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