CN106546214B - Test air-drop optics sees the method for taking aim at system Three Degree Of Freedom angular accuracy and range - Google Patents
Test air-drop optics sees the method for taking aim at system Three Degree Of Freedom angular accuracy and range Download PDFInfo
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- CN106546214B CN106546214B CN201610912068.6A CN201610912068A CN106546214B CN 106546214 B CN106546214 B CN 106546214B CN 201610912068 A CN201610912068 A CN 201610912068A CN 106546214 B CN106546214 B CN 106546214B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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Abstract
The present invention proposes that a kind of test optics sees the device and method for taking aim at system Three Degree Of Freedom angular accuracy and range, and device includes A-frame, angle precision test device, digital display device and monitor；There are two be mutually perpendicular to the work top of bubble, and levelling work top for three-legged support support installation；Work top is used for setting angle accuracy test device, and angle precision test device includes seeing orthogonal two rotating arms of rotating shaft (view angle spiral arm, lateral misalignment angle spiral arm) and turntable (objective table)；Two rotating arms are equipped with CCD camera, encoder, it is possible to provide provide standard angle output；Turntable (objective table) takes aim at system and with encoder (drift angle) for installing optics sight；Digital display device is for being converted into angle value for the digital quantity of encoder output and showing.The device is easy to operate, and test is quick, can be realized any angle precision follow-on test, any angular position beat continuously detects, and clamped one time can carry out Three Degree Of Freedom test, and intuitive display can realize more people's observations.
Description
Technical field
The invention belongs to technical field of optical test, and optics sight when being related to transporter air-dropped material, parachutist, which is taken aim at, is
System realizes that systematic perspective angle measurement (pitch angle), lateral misalignment angle (roll angle) and drift angle (azimuth) Three Degree Of Freedom are taken aim in test optics sight
The test of angular accuracy and range.
Background technique
Optics sight, which takes aim at system and mainly demarcates see to, spacing over the ground, to be taken aim at, according to preset drift angle, lateral misalignment angle,
Air-drop opportunity is held in view angle, it is ensured that air-drop precision.In order to reach the goals above, optics sight is taken aim at system and is needed according to transporter
The variation in course, the speed of a ship or plane and roll, same time are observed angle, lateral misalignment angle and drift angle and adjust in real time, the essence of each angle
Degree directly affects the accuracy of air-drop.But the observed pattern that optics sees system of taking aim at has the uniqueness of its own, with general light
Electric system observed pattern is different, therefore cannot be tested using common zenith instrument method, and standard angle can be provided by needing to develop
The spiral arm of angle value and energy while observed object, and spiral arm, lateral misalignment spiral arm and turntable will be observed, it is installed on the same table top,
Test of the test device with regard to achievable view angle, lateral misalignment angle and drift angle Three Degree Of Freedom in this way.
Summary of the invention
It cannot be tested using common zenith instrument method to solve the problems, such as that system is taken aim in existing optics sight, the present invention mentions
A kind of device and method tested optics sight and take aim at system Three Degree Of Freedom angular accuracy and range is gone out.
The technical solution of the present invention is as follows:
A kind of test optics sees the device for taking aim at system Three Degree Of Freedom angular accuracy and range, it is characterised in that: including three
Angle support, angle precision test device, digital display device and monitor；
The angle precision test device is fixedly mounted on A-frame；The angle precision test device includes observation
Spiral arm, lateral misalignment spiral arm and turntable；Observation spiral arm rotating shaft is mutually perpendicular to lateral misalignment spiral arm rotating shaft；Observe spiral arm and lateral misalignment rotation
Angular encoder and CCD camera are separately installed on arm；The turntable takes aim at system for optics sight to be fixedly mounted, and rotates
Bias current handle and bias current angular encoder are installed on platform；
The digital display device shows that the observation angle encoder on observation spiral arm, the lateral misalignment angle on lateral misalignment spiral arm are compiled respectively
The angle value of code device and bias current angle encoder output；
The monitor is taken aim at system with optics sight and is connect, and system is taken aim in the optics sight for showing that CCD camera is observed
Cross-graduation.
The method for taking aim at system Three Degree Of Freedom angular accuracy and range is seen using above-mentioned apparatus test optics, it is characterised in that: packet
Include following steps:
Step 1: on a spinstand by level meter installation, adjusting tripod adjusting handle, turntable is made to be in horizontality；
Optics sight taken aim to system is fixed on a spinstand and to lock again, adjustment optics sight takes aim at system and is at horizontality, and optics is seen
The view angle or lateral misalignment angle show value for taking aim at system are zero；
Step 2: rotation observation spiral arm is observed by monitor, makes the CCD camera graduation cross hairs pair observed on spiral arm
System graduation cross hairs is taken aim in quasi-optics sight, and the observation angle encoder observed on spiral arm at this time is zeroed；Lateral misalignment spiral arm is rotated,
It is observed by monitor, sees the CCD camera graduation reticle alignment optics on lateral misalignment spiral arm and take aim at system graduation cross hairs, and
By the lateral misalignment angular encoder zero on lateral misalignment spiral arm at this time；
Step 3: systematic observation angle knob is taken aim in rotary optical sight, so that optics sight is taken aim at system and shows a certain non-zero angle of view angle
Degree；Observation spiral arm is rotated along same direction of rotation, is observed by monitor, makes the CCD camera graduation cross observed on spiral arm
Line takes aim at system graduation cross hairs to quasi-optics sight, and the view angle show value on digital display device and optics sight take aim at what system was shown at this time
The difference of observation angle is that optics sees the error amount for taking aim at systematic perspective angle measurement；System lateral misalignment angle knob is taken aim in rotary optical sight, sees optics
It takes aim at system and shows that lateral misalignment angle is a certain non-zero angle；Lateral misalignment spiral arm is rotated along same direction of rotation, is observed by monitor, makes cross
System graduation cross hairs is taken aim in CCD camera graduation reticle alignment optics sight on inclined spiral arm, at this time the lateral misalignment on digital display device
It is that optics sees the error amount for taking aim at system lateral misalignment angle that angle show value and optics, which are seen and takes aim at the difference for the lateral misalignment angle that system is shown,；
Step 4: system is taken aim in adjustment optics sight, and optics sight is made to take aim at the drift angle 0 that system is shown, optics sight is taken aim at system and shown
View angle be 90 °, rotation observation spiral arm, observed by monitor, make observe spiral arm on CCD camera graduation cross hairs pair
System graduation cross hairs is taken aim in quasi-optics sight, and by the bias current angular encoder zero setting on turntable at this time；
Step 5: system bias current angle knob is taken aim in rotary optical sight, so that optics sight is taken aim at system and shows a certain non-zero angle of drift angle
Degree；It along the bias current handle of opposite direction of rotation rotation turntable, is observed by monitor, makes the CCD camera observed on spiral arm
System graduation cross hairs is taken aim in the sight of graduation reticle alignment optics, and the drift angle show value on digital display device is taken aim at optics sight at this time is
The difference for the bias current angle shown of uniting is that optics sees the error amount for taking aim at system drift angle.
Beneficial effect
The present invention provides a kind of optics sights that is applied to as laboratory's detection to take aim at systematic observation, lateral misalignment and bias current three certainly
By degree angular accuracy and the test device and method of range, device include A-frame, angle precision test device, digital display device and
Monitor；There are two be mutually perpendicular to the work top of bubble, and levelling work top for three-legged support support installation；Work top
For setting angle accuracy test device, angle precision test device includes seeing orthogonal two rotating arms of rotating shaft (to see
Angle measurement spiral arm, lateral misalignment angle spiral arm) and turntable (objective table)；Two rotating arms are equipped with CCD camera, encoder, it is possible to provide
Standard angle output is provided；Turntable (objective table) takes aim at system and with encoder (drift angle) for installing optics sight；Digital display
Device is for being converted into angle value for the digital quantity of encoder output and showing；Power control system is used to take aim to optics sight
System and CCD camera light source power supply.It includes sampling mechanism, bias current inclination mechanism, leveling bracket that system is taken aim in optics sight.The device
Easy to operate, test is quick, can be realized any angle precision follow-on test, any angular position beat continuously detects, once
Clamping can carry out Three Degree Of Freedom test, and intuitive display can realize more people's observations.
Detailed description of the invention
Fig. 1: the device of the invention schematic diagram；
Fig. 2: flow chart of the method for the present invention.
Specific embodiment
Description is of the invention combined with specific embodiments below:
As shown in Figure 1, the test optics that the present embodiment proposes sees the device packet for taking aim at system Three Degree Of Freedom angular accuracy and range
Include A-frame 4, angle precision test device, digital display device 5 and monitor 6.
Angle precision test device is fixedly mounted on A-frame, and angle precision test device includes observation spiral arm 2, cross
Inclined spiral arm 1 and turntable 3.Observation spiral arm rotating shaft is mutually perpendicular to lateral misalignment spiral arm rotating shaft；It observes on spiral arm and lateral misalignment spiral arm
It is separately installed with angular encoder and CCD camera；The turntable takes aim at system for optics sight to be fixedly mounted, on turntable
Bias current handle and bias current angular encoder are installed；
Digital display device shows the observation angle encoder on observation spiral arm, the lateral misalignment angular encoder on lateral misalignment spiral arm respectively
And the angle value of bias current angle encoder output；
Monitor is taken aim at system with optics sight and is connect, for showing that CCD camera observes that optics sees the cross point for system of taking aim at
It draws.
The method for taking aim at system Three Degree Of Freedom angular accuracy and range is seen using above-mentioned apparatus test optics, comprising the following steps:
Step 1: on a spinstand by level meter installation, adjusting tripod adjusting handle, turntable is made to be in horizontality；
Optics sight taken aim to system is fixed on a spinstand and to lock again, system is taken aim in adjustment optics sight keeps its bubble placed in the middle, so that optics is seen
It takes aim at system and is in horizontality, optics sees the view angle for taking aim at system or lateral misalignment angle show value is zero；
Step 2: rotation observation spiral arm is observed by monitor, makes the CCD camera graduation cross hairs pair observed on spiral arm
System graduation cross hairs is taken aim in quasi-optics sight, and the observation angle encoder observed on spiral arm at this time is zeroed；Lateral misalignment spiral arm is rotated,
It is observed by monitor, sees the CCD camera graduation reticle alignment optics on lateral misalignment spiral arm and take aim at system graduation cross hairs, and
By the lateral misalignment angular encoder zero on lateral misalignment spiral arm at this time；
Step 3: systematic observation angle knob is taken aim in rotary optical sight, so that optics sight is taken aim at system and shows a certain non-zero angle of view angle
Degree；Observation spiral arm is rotated along same direction of rotation, is observed by monitor, makes the CCD camera graduation cross observed on spiral arm
Line takes aim at system graduation cross hairs to quasi-optics sight, and the view angle show value on digital display device and optics sight take aim at what system was shown at this time
The difference of observation angle is that optics sees the error amount for taking aim at systematic perspective angle measurement；System lateral misalignment angle knob is taken aim in rotary optical sight, sees optics
It takes aim at system and shows that lateral misalignment angle is a certain non-zero angle；Lateral misalignment spiral arm is rotated along same direction of rotation, is observed by monitor, makes cross
System graduation cross hairs is taken aim in CCD camera graduation reticle alignment optics sight on inclined spiral arm, at this time the lateral misalignment on digital display device
It is that optics sees the error amount for taking aim at system lateral misalignment angle that angle show value and optics, which are seen and takes aim at the difference for the lateral misalignment angle that system is shown,；
Step 4: system is taken aim in adjustment optics sight, and optics sight is made to take aim at the drift angle 0 that system is shown, optics sight is taken aim at system and shown
View angle be 90 °, rotation observation spiral arm, observed by monitor, make observe spiral arm on CCD camera graduation cross hairs pair
System graduation cross hairs is taken aim in quasi-optics sight, and by the bias current angular encoder zero setting on turntable at this time；
Step 5: system bias current angle knob is taken aim in rotary optical sight, so that optics sight is taken aim at system and shows a certain non-zero angle of drift angle
Degree；It along the bias current handle of opposite direction of rotation rotation turntable, is observed by monitor, makes the CCD camera observed on spiral arm
System graduation cross hairs is taken aim in the sight of graduation reticle alignment optics, and the drift angle show value on digital display device is taken aim at optics sight at this time is
The difference for the bias current angle shown of uniting is that optics sees the error amount for taking aim at system drift angle.
Claims (1)
1. a kind of see the method for taking aim at system Three Degree Of Freedom angular accuracy and range for testing air-drop optics, it is characterised in that:
The device of use includes A-frame, angle precision test device, digital display device and monitor；
The angle precision test device is fixedly mounted on A-frame；The angle precision test device includes observation rotation
Arm, lateral misalignment spiral arm and turntable；Observation spiral arm rotating shaft is mutually perpendicular to lateral misalignment spiral arm rotating shaft；Observe spiral arm and lateral misalignment spiral arm
On be separately installed with angular encoder and CCD camera；The turntable takes aim at system, turntable for optics sight to be fixedly mounted
On bias current handle and bias current angular encoder are installed；
The digital display device shows the observation angle encoder on observation spiral arm, the lateral misalignment angular encoder on lateral misalignment spiral arm respectively
And the angle value of bias current angle encoder output；
The sight of the monitor and optics is taken aim at system and connect, for showing that the cross of system is taken aim in optics sight that CCD camera is observed
Graduation；
Method the following steps are included:
Step 1: on a spinstand by level meter installation, adjusting A-frame adjusting handle, turntable is made to be in horizontality；Again
Optics sight taken aim to system is fixed on a spinstand and to lock, adjustment optics sight takes aim at system and is at horizontality, and optics sight is taken aim at
The view angle of system or lateral misalignment angle show value are zero；
Step 2: rotation observation spiral arm is observed by monitor, makes the CCD camera graduation reticle alignment light observed on spiral arm
It learns to see and takes aim at system graduation cross hairs, and the observation angle encoder observed on spiral arm at this time is zeroed；Lateral misalignment spiral arm is rotated, is passed through
Monitor observation sees CCD camera graduation reticle alignment optics on lateral misalignment spiral arm and takes aim at system graduation cross hairs, and by this
When lateral misalignment spiral arm on lateral misalignment angular encoder zero；
Step 3: systematic observation angle knob is taken aim in rotary optical sight, so that optics sight is taken aim at system and shows a certain non-zero angle of view angle；
Observation spiral arm is rotated along same direction of rotation, is observed by monitor, makes the CCD camera graduation cross hairs pair observed on spiral arm
System graduation cross hairs is taken aim in quasi-optics sight, and the observation that system is shown is taken aim in the view angle show value on digital display device and optics sight at this time
The difference of angle is that optics sees the error amount for taking aim at systematic perspective angle measurement；System lateral misalignment angle knob is taken aim in rotary optical sight, takes aim at optics sight and is
System display lateral misalignment angle is a certain non-zero angle；Lateral misalignment spiral arm is rotated along same direction of rotation, is observed by monitor, revolves lateral misalignment
System graduation cross hairs is taken aim in CCD camera graduation reticle alignment optics sight on arm, and the lateral misalignment angle on digital display device is aobvious at this time
It is that optics sees the error amount for taking aim at system lateral misalignment angle that indicating value and optics, which are seen and takes aim at the difference for the lateral misalignment angle that system is shown,；
Step 4: system is taken aim in adjustment optics sight, and optics sight is made to take aim at the drift angle 0 that system is shown, the sight that system is shown is taken aim in optics sight
Angle measurement is 90 °, and rotation observation spiral arm is observed by monitor, makes the CCD camera graduation reticle alignment light observed on spiral arm
It learns to see and takes aim at system graduation cross hairs, and by the bias current angular encoder zero setting on turntable at this time；
Step 5: system bias current angle knob is taken aim in rotary optical sight, so that optics sight is taken aim at system and shows a certain non-zero angle of drift angle；
It along the bias current handle of opposite direction of rotation rotation turntable, is observed by monitor, makes the CCD camera graduation observed on spiral arm
System graduation cross hairs is taken aim in the sight of reticle alignment optics, and it is aobvious to take aim at system for the drift angle show value on digital display device and optics sight at this time
The difference for the bias current angle shown is that optics sees the error amount for taking aim at system drift angle.
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| CN201610912068.6A CN106546214B (en) | 2016-10-20 | 2016-10-20 | Test air-drop optics sees the method for taking aim at system Three Degree Of Freedom angular accuracy and range |
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| CN201610912068.6A CN106546214B (en) | 2016-10-20 | 2016-10-20 | Test air-drop optics sees the method for taking aim at system Three Degree Of Freedom angular accuracy and range |
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| CN106546214B true CN106546214B (en) | 2019-07-02 |
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Citations (4)
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| CN102410785A (en) * | 2011-12-13 | 2012-04-11 | 林德福 | Turntable for semi-physical simulation of laser terminally guided projectile |
| CN104819827A (en) * | 2015-05-18 | 2015-08-05 | 西安工业大学 | Device and method for detecting tracking precision of panoramic observation and scanning instrument of bilateral symmetry type |
| CN105716593A (en) * | 2016-01-25 | 2016-06-29 | 西安应用光学研究所 | Testing device and method for testing orienting and positioning accuracy of photoelectric scouting system |
| CN205579068U (en) * | 2016-03-24 | 2016-09-14 | 凯迈（洛阳）测控有限公司 | Multi freedom gesture angle testing arrangement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4647774B2 (en) * | 2000-12-18 | 2011-03-09 | 小糸工業株式会社 | Sighting device |
| JP2012509464A (en) * | 2008-11-17 | 2012-04-19 | ファロ テクノロジーズ インコーポレーテッド | Six-degree-of-freedom measuring device and method |
-
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- 2016-10-20 CN CN201610912068.6A patent/CN106546214B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410785A (en) * | 2011-12-13 | 2012-04-11 | 林德福 | Turntable for semi-physical simulation of laser terminally guided projectile |
| CN104819827A (en) * | 2015-05-18 | 2015-08-05 | 西安工业大学 | Device and method for detecting tracking precision of panoramic observation and scanning instrument of bilateral symmetry type |
| CN105716593A (en) * | 2016-01-25 | 2016-06-29 | 西安应用光学研究所 | Testing device and method for testing orienting and positioning accuracy of photoelectric scouting system |
| CN205579068U (en) * | 2016-03-24 | 2016-09-14 | 凯迈（洛阳）测控有限公司 | Multi freedom gesture angle testing arrangement |
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