CN204165735U - The little multiplying power of full digital takes aim at tool object space angle testing apparatus - Google Patents

The little multiplying power of full digital takes aim at tool object space angle testing apparatus Download PDF

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Publication number
CN204165735U
CN204165735U CN201420672834.2U CN201420672834U CN204165735U CN 204165735 U CN204165735 U CN 204165735U CN 201420672834 U CN201420672834 U CN 201420672834U CN 204165735 U CN204165735 U CN 204165735U
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CN
China
Prior art keywords
numeral
turntable
numerical control
catoptron
moving stage
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Expired - Fee Related
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CN201420672834.2U
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Chinese (zh)
Inventor
王劲松
石丽霞
李延风
呼丹
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Changchun University of Science and Technology
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Changchun University of Science and Technology
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Priority to CN201420672834.2U priority Critical patent/CN204165735U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The little multiplying power of full digital takes aim at tool object space angle testing apparatus, belongs to field of optical measurements.Comprise aximuthpiston catoptron etc.Aximuthpiston catoptron is installed on orientation numeral turntable, and both form orientation reading and visual field extension element; Pitching numeral turntable is fixedly installed in X above numerical control flat moving stage; Pitch plane catoptron is installed on pitching numeral turntable, and both form pitching reading and visual field extension element; Orientation numeral turntable is fixedly installed in X above numerical control flat moving stage; Numeral reticule assembly is fixedly installed in above optical table by parallel light tube main body, and both form parallel light tube; Y-direction numerical control flat moving stage is fixedly installed in above optical table, is positioned at X below numerical control flat moving stage.The versatility of the utility model equipment, dirigibility, applicability are very strong, while ensureing measuring accuracy, greatly can improve and take aim at tool test efficiency, reduce manpower and installations and facilities input cost.

Description

The little multiplying power of full digital takes aim at tool object space angle testing apparatus
Technical field
The utility model belongs to field of optical measurements, and the testing apparatus measured is carried out at the object space angle particularly relating to little enlargement ratio white light and Scotopic sighting system.
Background technology
In the middle of prior art, object space angular measurement is widely used in the fields such as instrument of surveying and mapping detection and optical measurement.Take aim at the object space angle parameter that tool object space angle general reference comprises the optical systems such as collimation axis variable quantity, resolution, dress meter accuracy, dress table scope, visual field, these parameters directly have influence on the performance taking aim at tool, therefore, the detection of these parameters is very important for taking aim at tool, is the basic guarantee that can normally work.
At present, realize the detection of these parameters, the multiple instrument and equipment of needs completes usually, such as, measure the zero-bit instrument of collimation axis variable quantity, the parallel light tube of Measurement Resolution, the transit of measurement dress meter accuracy specially and measure the field of view meter etc. filling table scope and visual field.Even if having developed the detecting instrument can measuring multiple parameter now simultaneously, but due to the accuracy requirement of measured parameter and the difference to target pattern requirement, this quasi-instrument will change graticule according to measured parameter, and this is just difficult to ensure high-precision detection.In addition, in object space angular dimensions, what have is high to the resolution requirement of detecting instrument optical system, as collimation axis variable quantity, resolution, mounting precision etc., some requirement detecting instrument optical systems have Large visual angle, and are conflicting for optical system Large visual angle and high resolving power, that is, its visual field of high-resolution optical system is little, and the resolution of Large visual angle is not high.Therefore, the detection that will realize all parameters in object space angle on same set of instrument and equipment is very difficult.
In sum, need badly in the middle of prior art and a kind of new technical scheme will solve problems.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of detector taken aim at tool object space angle multiparameter large visual field high resolution and measure.
The little multiplying power of full digital takes aim at tool object space angle testing apparatus, it is characterized in that: comprise aximuthpiston catoptron, pitching numeral turntable, pitch plane catoptron, orientation numeral turntable, parallel light tube main body, digital reticule assembly, optical table, X to numerical control flat moving stage and Y-direction numerical control flat moving stage, described aximuthpiston catoptron is installed on orientation numeral turntable, and aximuthpiston catoptron and orientation numeral turntable form orientation reading and visual field extension element; Described pitching numeral turntable is fixedly installed in X above numerical control flat moving stage; Described pitch plane catoptron is installed on pitching numeral turntable, and pitching numeral turntable and pitch plane catoptron form pitching reading and visual field extension element; Described orientation numeral turntable is fixedly installed in X above numerical control flat moving stage; Described digital reticule assembly is fixedly installed in above optical table by parallel light tube main body, and parallel light tube main body and digital reticule assembly form parallel light tube; Described Y-direction numerical control flat moving stage is fixedly installed in above optical table, and Y-direction numerical control flat moving stage is positioned at X below numerical control flat moving stage.
Described aximuthpiston catoptron, pitching numeral turntable, pitch plane catoptron, orientation numeral turntable change horizontal two-dimension coordinate position by X to numerical control flat moving stage and Y-direction numerical control flat moving stage.
Described aximuthpiston catoptron is that axle produces swing offset around the revolving shaft of orientation numeral turntable.
Described pitch plane catoptron is that axle produces swing offset around the revolving shaft of pitching numeral turntable.
Described digital reticule assembly is made up of Digital Light Processor, organic light-emitting diode (OLED) display screen, liquid crystal over silicon device.
Described optical table is provided with vibration damping interlayer.
Can bring following beneficial effect by above-mentioned design proposal the utility model: digital reticule assembly of the present utility model is formed primarily of high-resolution digital light process (DLP) device, can be that Organic Light Emitting Diode (OLED) display screen or liquid crystal over silicon (LCOS) device are formed in addition.Can under the control of the computer display measurement need graduation figure, when need not change graticule, the pattern of different graduation form is provided for different parameters, while improve dirigibility, avoid the repetition alignment error introduced because changing graticule, also save the time changing graticule, drastically increase detection efficiency.
The versatility of the utility model equipment, dirigibility, applicability are very strong, while ensureing measuring accuracy, greatly can improve and take aim at tool test efficiency, reduce manpower and installations and facilities input cost.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further:
Fig. 1 is structural representation of the present utility model.
In figure, 1-aximuthpiston catoptron, 2-pitching numeral turntable, 3-pitch plane catoptron, 4-orientation numeral turntable, 5-parallel light tube main body, 6-numeral reticule assembly, 7-optical table, 8-X are to numerical control flat moving stage, 9-Y to numerical control flat moving stage.
Embodiment
The little multiplying power of full digital is taken aim at tool object space angle testing apparatus and is mainly formed and comprise: aximuthpiston catoptron 1, pitching numeral turntable 2, pitch plane catoptron 3, orientation numeral turntable 4, parallel light tube main body 5, digital reticule assembly 6, optical table 7, X are to numerical control flat moving stage 8 and Y-direction numerical control flat moving stage 9 (as shown in Figure 1).Wherein parallel light tube main body 5 and digital reticule assembly 6 form the parallel light tube of simulation infinite distance target; Orientation numeral turntable 4 and aximuthpiston catoptron 1 form orientation reading and visual field extension element; Pitching numeral turntable 2 and pitch plane catoptron 3 form pitching reading and visual field extension element.
Described digital reticule assembly 6 is formed primarily of high-resolution digital light process (DLP) device, can be that Organic Light Emitting Diode (OLED) display screen or liquid crystal over silicon (LCOS) device are formed in addition.Can under the control of the computer display measurement need graduation figure, when need not change graticule, the pattern of different graduation form is provided for different parameters, while improve dirigibility, avoid the repetition alignment error introduced because changing graticule, also save the time changing graticule, drastically increase detection efficiency;
Described orientation numeral turntable 4 and aximuthpiston catoptron 1 form orientation reading and visual field extension element.If the optical axis of parallel light tube main body 5 is as the transverse axis of surface level, then the revolving shaft of orientation numeral turntable 4 is the longitudinal axis of surface level.Aximuthpiston catoptron 1 rotates for axle with the revolving shaft of orientation numeral turntable 4, when orientation numeral turntable 4 registration is zero, aximuthpiston catoptron 1 and transverse axis angle at 45 °, as orientation angles zero-bit, utilize orientation numeral turntable 4 pairs of aximuthpiston catoptron 1 rotational angles to carry out reading.Aximuthpiston catoptron 1 also can realize parallel light tube and expand in the visual field of azimuth dimension, is equivalent to and adds the visual field of parallel light tube in this dimension, realize the detection to Large visual angle requirement parameter;
Described pitching numeral turntable 2 and pitch plane catoptron 3 form orientation reading and visual field extension element.If the optical axis of parallel light tube main body 5 is as the transverse axis of surface level, then the revolving shaft of pitching numeral turntable 2 is parallel with transverse axis.Pitch plane catoptron 3 rotates for axle with the revolving shaft of pitching numeral turntable 2, when pitching numeral turntable 2 registration is zero, pitch plane catoptron 3 and longitudinal axis angle at 45 °, as luffing angle zero-bit, utilize pitching numeral turntable 2 pairs of pitch plane catoptron 3 rotational angles to carry out reading.Pitch plane catoptron 3 also can realize parallel light tube in the expansion of the visual field of pitching dimension, is equivalent to and adds the visual field of parallel light tube in this dimension, realize the detection to Large visual angle requirement parameter;
Described X realizes carrying out the automatically controlled adjustment of horizontal two-dimension numeral to digital turntable and plane mirror to numerical control flat moving stage 8 and Y-direction numerical control flat moving stage 9;
Described optical table 7, as the support of equipment above, has vibration isolation effect, reduces the impact of vibration.
When carrying out taking aim at the examination of tool object space angular measurement, will take aim at tool and be placed in y direction and in the face of pitch plane catoptron 3, and as far as possible near pitch plane catoptron 3, rotate be advisable not affect catoptron, neighbouring is herein the exit pupil position of parallel light tube.The measurement of different parameters, its operation and reading mode difference, be measured as example with collimation axis variable quantity below and set forth specific embodiments.
1) after placing and taking aim at tool, by the eyepiece taking aim at tool, the graduation in visual field is observed, according to multiplying power and the graduation form of taking aim at tool, the graduation pattern of live width and the form matches is shown by computing machine control figure reticule assembly 6, and control the center of graduation pattern and take aim at the center superposition of tool graduation, now store the position of this central point by program computation;
2) when tested take aim at tool through shooting, high-low-temperature environmental testing, transport, to fall or after impulse test, be installed the emergent pupil place of equipment again, again being presented at the center of digital graduation by computing machine control figure reticule assembly 6 to take aim in tool graduation in the heart, and program computation also stores the position of this central point;
3) according to the experiment calculation method of GJB, by step 1) and step 2) the digital graduation middle position value of twice measurement carries out process conversion, can record the tested collimation axis variable quantity taking aim at tool;
4) when tested take aim at tool collimation axis variable quantity very large time, after second time is installed, the digital graduation pattern that tool may can't see equipment is taken aim at by tested, now aximuthpiston catoptron 1 and pitch plane catoptron 3 can be driven to rotate by computing machine control azimuth numeral turntable 4 and pitching numeral turntable 2, the digital graduation pattern of parallel light tube is adjusted to and testedly takes aim in the visual field of tool, then repeat step 1) and step 2) process, by orientation numeral turntable 4 and pitching numeral the angle value of turntable 2 and the central value of digital reticule assembly 6 twice graduation process, namely the tested collimation axis variable quantity taking aim at tool can be drawn.
As can be seen from above, in small field of view situation, directly show graduation position and reading by digital reticule assembly 6, in Large visual angle situation, two kinds of number reading methods can be had: one is that digital reticule assembly 6 just shows graduation, only use digital turntable to aim at reading; Two is the coarse adjustment on a large scale of digital turntable, the accurate adjustment among a small circle of digital reticule assembly 6, and both are collaborative aims at reading.
The detection of other parameter, according to the method for GJB, can implement with reference to such scheme accommodation.As can be seen here, the versatility of equipment, dirigibility, applicability are very strong, while ensureing measuring accuracy, greatly can improve and take aim at tool test efficiency, reduce manpower and installations and facilities input cost.

Claims (6)

1. the little multiplying power of full digital takes aim at tool object space angle testing apparatus, it is characterized in that: comprise aximuthpiston catoptron (1), pitching numeral turntable (2), pitch plane catoptron (3), orientation numeral turntable (4), parallel light tube main body (5), numeral reticule assembly (6), optical table (7), X is to numerical control flat moving stage (8) and Y-direction numerical control flat moving stage (9), described aximuthpiston catoptron (1) is installed in orientation numeral turntable (4), and aximuthpiston catoptron (1) and orientation numeral turntable (4) form orientation reading and visual field extension element, described pitching numeral turntable (2) is fixedly installed in X above numerical control flat moving stage (8), described pitch plane catoptron (3) is installed in pitching numeral turntable (2), and pitching numeral turntable (2) and pitch plane catoptron (3) form pitching reading and visual field extension element, described orientation numeral turntable (4) is fixedly installed in X above numerical control flat moving stage (8), described digital reticule assembly (6) is fixedly installed in above optical table (7) by parallel light tube main body (5), and parallel light tube main body (5) and digital reticule assembly (6) form parallel light tube, described Y-direction numerical control flat moving stage (9) is fixedly installed in above optical table (7), and Y-direction numerical control flat moving stage (9) is positioned at X below numerical control flat moving stage (8).
2. the little multiplying power of full digital according to claim 1 takes aim at tool object space angle testing apparatus, it is characterized in that: described aximuthpiston catoptron (1), pitching numeral turntable (2), pitch plane catoptron (3), orientation numeral turntable (4) change horizontal two-dimension coordinate position by X to numerical control flat moving stage (8) and Y-direction numerical control flat moving stage (9).
3. the little multiplying power of full digital according to claim 1 takes aim at tool object space angle testing apparatus, it is characterized in that: described aximuthpiston catoptron (1) is that axle produces swing offset around the revolving shaft in orientation numeral turntable (4).
4. the little multiplying power of full digital according to claim 1 takes aim at tool object space angle testing apparatus, it is characterized in that: described pitch plane catoptron (3) is that axle produces swing offset around the revolving shaft of pitching numeral turntable (2).
5. the little multiplying power of full digital according to claim 1 takes aim at tool object space angle testing apparatus, it is characterized in that: described digital reticule assembly (6) is made up of Digital Light Processor, organic light-emitting diode (OLED) display screen, liquid crystal over silicon device.
6. the little multiplying power of full digital according to claim 1 takes aim at tool object space angle testing apparatus, it is characterized in that: described optical table (7) is provided with vibration damping interlayer.
CN201420672834.2U 2014-11-10 2014-11-10 The little multiplying power of full digital takes aim at tool object space angle testing apparatus Expired - Fee Related CN204165735U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344943A (en) * 2014-11-10 2015-02-11 长春理工大学 Full-digital type small-rate sight object angle testing equipment
CN104765146A (en) * 2015-03-31 2015-07-08 中国科学院长春光学精密机械与物理研究所 Large-angle scanning driving shaft system module of airborne photoelectric collimation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344943A (en) * 2014-11-10 2015-02-11 长春理工大学 Full-digital type small-rate sight object angle testing equipment
CN104344943B (en) * 2014-11-10 2017-03-22 长春理工大学 Full-digital type small-rate sight object angle testing equipment
CN104765146A (en) * 2015-03-31 2015-07-08 中国科学院长春光学精密机械与物理研究所 Large-angle scanning driving shaft system module of airborne photoelectric collimation system

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Granted publication date: 20150218

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