CN109342324A - A kind of Optical Angular Deviation of Airplane Windscreens test macro - Google Patents
A kind of Optical Angular Deviation of Airplane Windscreens test macro Download PDFInfo
- Publication number
- CN109342324A CN109342324A CN201811427055.5A CN201811427055A CN109342324A CN 109342324 A CN109342324 A CN 109342324A CN 201811427055 A CN201811427055 A CN 201811427055A CN 109342324 A CN109342324 A CN 109342324A
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- module
- light source
- airplane
- windscreens
- angular deviation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
Abstract
The application belongs to frontal windshield system optics the field of test technology, in particular to a kind of Optical Angular Deviation of Airplane Windscreens test macro.System includes: light source module, test specimen dimensional turntable, image rotation receiving module, detection processing module and computer module.The light source module is for handling light source；The test specimen dimensional turntable is for installing testpieces, by the testpieces in light source module treated light beam irradiation test specimen dimensional turntable；The image rotation receiving module is used to receive the light beam across testpieces；The detection processing module is for handling the received light beam of image rotation receiving module, and output optical signal；Computer module is used to obtain the optical signal of detection processing module, and shows to optical signal.The application saves manpower, greatly improves work efficiency, and reduces the error of human factor, effectively ensures measuring accuracy, greatly enhances the automatization level in terms of windshield optical performance test.
Description
Technical field
The application belongs to frontal windshield system optics the field of test technology, in particular to a kind of airplane windscreen optics angle
Deflection test system.
Background technique
Aircraft front windshield provides the forward viewing visual field and security protection for pilot, and optical property directly affects pilot
The extraneous effect with run-home of observation.Optical angular deviation is the light direction of propagation after light passes through transparent material or Transparent Parts
Angle variable quantity.
The method of common measurement angular displacement has sciagraphy, telescope method, laser method etc., its advantage is that mode simple, intuitive,
The disadvantage is that manual operation is needed to detect, not only large labor intensity, working efficiency are low, but also the error as caused by human factor
It can not overcome, therefore not can guarantee the Stability and veracity of angular displacement test result, and then bring to frontal windshield quality hidden
Suffer from.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
There is provided a kind of Optical Angular Deviation of Airplane Windscreens test macros for the purpose of the application, to solve the prior art
At least one existing problem.
The technical solution of the application is:
A kind of Optical Angular Deviation of Airplane Windscreens test macro, comprising:
Light source module, the light source module is for handling light source；
Test specimen dimensional turntable, the test specimen dimensional turntable is for installing testpieces, and by the light source module, treated
Light beam irradiates the testpieces in the test specimen dimensional turntable；
Image rotation receiving module, the image rotation receiving module is for receiving the light beam across the testpieces；
Processing module is detected, the detection processing module is used to handle the received light beam of image rotation receiving module, and defeated
Optical signals；
Computer module, the computer module are used to obtain the optical signal of the detection processing module, and to the light
Signal is shown.
It optionally, further include drive module, the computer module is also used to control the drive module and drives the examination
The rotation of part dimensional turntable.
Optionally, the computer module has the function of parameter setting, on-line proving, the tracking of eye position, angle compensation.
Optionally, the light source is the c-type light source issued by tungsten halogen lamp.
Optionally, the light source module includes light source adjusting module and light beam projection module, wherein
The light source adjusting module is for being converged and being adjusted the light source；
The light beam projection module is used to the light beam after convergence and adjusting being converted into parallel projection light beam.
Optionally, the light source module, which is mounted on, is adjusted on support frame, is able to carry out three-dimensional regulation.
Optionally, the test specimen dimensional turntable can carry out two-dimensional rotary scanning, scanning step centered on pilot's eye position
It include 0.5 °, 1 °, 2 °, 5 ° into angle.
Optionally, the test specimen dimensional turntable can horizontally rotate ± 40 °, pitch rotation ± 15；
The test specimen dimensional turntable can also carry out binocular parallax adjusting, horizontal adjustment ± 80mm, and vertical adjustment ±
100mm。
Optionally, the image rotation receiving module receives light beam by air-spaced doublet, projects two-dimensional array by optical filter
To the detection processing module.
Optionally, the detection processing module includes 2 CCD linear array detectors, and the CCD linear array detector will receive
Light beam carry out photoelectric conversion, amplification, adjusting processing.
At least there are following advantageous effects in invention:
The Optical Angular Deviation of Airplane Windscreens test macro of the application, saves manpower, greatly improves work efficiency,
The error for reducing human factor, effectively ensures measuring accuracy, greatly enhances and surveys in windshield optical property
Try the automatization level of aspect.
Detailed description of the invention
Fig. 1 is the Optical Angular Deviation of Airplane Windscreens test macro block diagram of one embodiment of the application；
Fig. 2 is the Optical Angular Deviation of Airplane Windscreens test macro optical schematic diagram of one embodiment of the application.
Wherein:
1- light source；2- condenser；3- original screen panel；4- diversing lens；5- testpieces；6- receiving lens；7- plug-in type is three-dimensional
Beam splitter prism；The first CCD linear array detector of 8-；The 2nd CCD linear array detector of 9-.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
1 to Fig. 2 the application is described in further details with reference to the accompanying drawing.
This application provides a kind of Optical Angular Deviation of Airplane Windscreens test macros, comprising: light source module, test specimen two dimension
Turntable, image rotation receiving module, detection processing module and computer module.
Specifically, light source module is for handling light source；Test specimen dimensional turntable is for installing testpieces, by light source
The testpieces in light beam irradiation test specimen dimensional turntable after resume module；Image rotation receiving module is used to receive the light across testpieces
Beam；Detection processing module is for handling the received light beam of image rotation receiving module, and output optical signal；Computer module is for obtaining
The optical signal of processing module is detected, and optical signal is shown.
In the Optical Angular Deviation of Airplane Windscreens test macro of the application, it can also include drive module, pass through calculating
Machine module controls the rotation of drive module driving test specimen dimensional turntable.
In the embodiment of the application, light source uses the c-type light source issued by tungsten halogen lamp.
In the embodiment of the application, light source module includes that light source adjusts module and light beam projection module,
Light source adjusts the convergence that module light source passes through lens, and by adjusting plate adjusting, in light beam projection module, light beam is converted into
Parallel projection light beam.Advantageously, each element in light source module, which is mounted on, to be adjusted on support frame in the present embodiment, it can
Carry out three-dimensional regulation.
In the embodiment of the application, test specimen dimensional turntable design structure is stable and firm, have enough rigidity and
Intensity, it is ensured that movement can be stablized when carrying different model windscreen testpieces.In the present embodiment, design is capable of carrying a load of 60kg.
Test specimen dimensional turntable can by pilot eye position centered on carry out two-dimensional rotary scanning, scanning step angle can 0.5 °, 1 °,
It is selected between 2 °, 5 °.Test specimen dimensional turntable can horizontally rotate ± 40 °, pitch rotation ± 15 °.Meanwhile it can also realize binocular vision
Difference is adjusted, horizontal adjustment ± 80mm, vertical adjustment ± 100mm.
In the embodiment of the application, image rotation receiving module receives light beam, light beam using accurate air-spaced doublet
By optical filter projection two-dimensional array (X-axis horizontal direction, Y-axis vertical direction) to detection processing module.Detection processing module is adopted
With 2 CCD linear array detectors, 2 CCD linear array detectors are individually positioned on two vertical focal planes of mutual phase conjugate, i.e., and 2
CCD linear array detector receives the light beam from X-axis and Y direction respectively, after CCD linear array detector to optical signal, by optical electrical
Conversion, amplification, adjusting processing, are transported to computer module.
In the embodiment of the application, computer module receives the light letter from the transmission of CCD linear array detector
Number, it is ultimately converted to engineering value through Data Management Analysis, and provide intuitive chart data and show.Computer module is in addition to having number
Outside according to functions such as acquisition, storage, analysis, processing, it is provided simultaneously with the function such as parameter setting, on-line proving, the tracking of eye position, angle compensation
Can, and also so that test specimen dimensional turntable is carried out rotation operation according to certain rule by controlling the stepper motor of drive module.
The course of work of the test optical angular deviation of the Optical Angular Deviation of Airplane Windscreens test macro of the application is as follows:
Windscreen testpieces is installed in test specimen dimensional turntable according to the adjustment of aircraft physical location state first, in computer
After inputting pitching and horizontal sweep range on software interface and setting step-length, starting automatically scanning detection.From windshield
Start Scanning Detction at highest point pitch angle and leftmost parallactic angle, transversely scans to rightmost parallactic angle, then decline is centainly bowed
Elevation angle degree turns left Scanning Detction to leftmost parallactic angle from Right attitude, then declines certain pitch angle and turn right scanning from leftmost parallactic angle
Detection is to rightmost parallactic angle, repeatedly until completing the automatically scanning detection of windscreen testpieces entire area.
As shown in Fig. 2, the light path system course of work is as follows, and light source 1 passes through in the specific embodiment of the application
Condenser 2 illuminates original screen panel 3, and original screen panel 3 is located on the focal plane of diversing lens 4, and diversing lens 4 coincide with driver in cockpit
On observing eye position, for testpieces 5 between diversing lens 4 and receiving lens 6, original screen panel 3 is imaged as " ten " font of φ 2.5
On hot spot to the focal plane of receiving lens 6, plug-in type solid beam splitter prism 7 measures horizontal (X-axis) and vertical (Y-axis) angular displacement amount.
Respectively put in two vertical planes of mutual phase conjugate 512 pixels CCD linear array detector (the first CCD linear array detector 8 with
And the 2nd CCD linear array detector 9), optical angular deviation value can directly be measured by the coding site of CCD linear array detector pixel.
The Optical Angular Deviation of Airplane Windscreens test macro of the application simulates human eye view using test specimen dimensional turntable completely
The mode of object is carried out automatically scanning windshield, is emitted using specific light source, received, image rotation, detection, by computer
Test, storage Multiple-Scan as a result, be analyzed and processed by reasonable algorithm to test data, it is automatic calculate angular displacement range with
Qualified percentages.The test macro solves the required manual operation detection of previous windscreen optical angular deviation measurement, artificial reading
The problem of taking data result, manual analysis to judge, substantially increase angular displacement test automatization level, save manpower, when
Between under the premise of, more ensure the accuracy of test result, thus for windscreen testpieces and installation part optical angular deviation performance give
Qualified or not qualitative conclusions out.
The Optical Angular Deviation of Airplane Windscreens test macro of the application, having overturned previous windshield angular displacement measurement needs
The test method of manual operation detection, saves manpower, greatly improves work efficiency, reduce the error of human factor, mention
High automatization level.The test assignment of multiple model multi rack time airplane windscreen angular displacement is completed by the system, is
It improves windshield optical quality and windscreen development is promoted to provide strong design considerations, kept off for aircraft development apoplexy optical
The improvement of energy is made that significant contribution, and due to developing the key technology of test macro formation, equipment is slightly improved and can be promoted
To the testing field of the optical angular deviation of all transparent materials, have good market prospects.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of Optical Angular Deviation of Airplane Windscreens test macro characterized by comprising
Light source module, the light source module is for handling light source；
Test specimen dimensional turntable, the test specimen dimensional turntable is for installing testpieces, by the light source module treated light beam
Irradiate the testpieces in the test specimen dimensional turntable；
Image rotation receiving module, the image rotation receiving module is for receiving the light beam across the testpieces；
Processing module is detected, the detection processing module is for handling the received light beam of image rotation receiving module, and output light
Signal；
Computer module, the computer module are used to obtain the optical signal of the detection processing module, and to the optical signal
It is shown.
2. Optical Angular Deviation of Airplane Windscreens test macro according to claim 1, which is characterized in that further include driving
Module, the computer module are also used to control the rotation that the drive module drives the test specimen dimensional turntable.
3. Optical Angular Deviation of Airplane Windscreens test macro according to claim 2, which is characterized in that the computer
Module has the function of parameter setting, on-line proving, the tracking of eye position, angle compensation.
4. Optical Angular Deviation of Airplane Windscreens test macro according to claim 3, which is characterized in that the light source is
The c-type light source issued by tungsten halogen lamp.
5. Optical Angular Deviation of Airplane Windscreens test macro according to claim 4, which is characterized in that the light source die
Block includes light source adjusting module and light beam projection module, wherein
The light source adjusting module is for being converged and being adjusted the light source；
The light beam projection module is used to the light beam after convergence and adjusting being converted into parallel projection light beam.
6. Optical Angular Deviation of Airplane Windscreens test macro according to claim 5, which is characterized in that the light source die
Block, which is mounted on, to be adjusted on support frame, and three-dimensional regulation is able to carry out.
7. Optical Angular Deviation of Airplane Windscreens test macro according to claim 3, which is characterized in that the test specimen two
Two-dimensional rotary scanning can be carried out centered on pilot's eye position by tieing up turntable, and scanning step angle includes 0.5 °, 1 °, 2 °, 5 °.
8. Optical Angular Deviation of Airplane Windscreens test macro according to claim 7, which is characterized in that
The test specimen dimensional turntable can horizontally rotate ± 40 °, pitch rotation ± 15；
The test specimen dimensional turntable can also carry out binocular parallax adjusting, horizontal adjustment ± 80mm, vertical adjustment ± 100mm.
9. Optical Angular Deviation of Airplane Windscreens test macro according to claim 3, which is characterized in that the image rotation connects
It receives module and light beam is received by air-spaced doublet, project two-dimensional array to the detection processing module by optical filter.
10. Optical Angular Deviation of Airplane Windscreens test macro according to claim 9, which is characterized in that the detection
Processing module includes 2 CCD linear array detectors, and the light beam received is carried out photoelectric conversion, put by the CCD linear array detector
Greatly, adjusting is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427055.5A CN109342324A (en) | 2018-11-27 | 2018-11-27 | A kind of Optical Angular Deviation of Airplane Windscreens test macro |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427055.5A CN109342324A (en) | 2018-11-27 | 2018-11-27 | A kind of Optical Angular Deviation of Airplane Windscreens test macro |
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| CN109342324A true CN109342324A (en) | 2019-02-15 |
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| CN201811427055.5A Pending CN109342324A (en) | 2018-11-27 | 2018-11-27 | A kind of Optical Angular Deviation of Airplane Windscreens test macro |
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| CN113503836A (en) * | 2021-07-07 | 2021-10-15 | 成都巨峰玻璃有限公司 | Method for detecting airplane special-shaped surface windshield |
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Application publication date: 20190215 |