CN113375910A - Clamp and method for testing brightness of digital image source - Google Patents
Clamp and method for testing brightness of digital image source Download PDFInfo
- Publication number
- CN113375910A CN113375910A CN202110752393.1A CN202110752393A CN113375910A CN 113375910 A CN113375910 A CN 113375910A CN 202110752393 A CN202110752393 A CN 202110752393A CN 113375910 A CN113375910 A CN 113375910A
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- digital image
- image source
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 8
- 238000010998 test method Methods 0.000 claims abstract description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
- G01M11/0214—Details of devices holding the object to be tested
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0223—Sample holders for photometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
本发明主要涉及数字像源亮度测试的技术领域，本发明提供了一种数字像源亮度测试用夹具，包括底板和固设于底板上的夹持机构，转动连接于底板上的刻度盘，刻度盘上沿外边缘设有指示角度的刻度线，刻度线包括0刻度线，底板上靠近刻度盘的位置设有可以对准刻度线的基准线，本发明还提供了数字像源亮度测试方法，包括旋转刻度盘，使基准线对准需要的角度以及将亮度测试仪对准0刻度线，本发明将水平角度调整装置直接设于夹具底部，通过将亮度测试仪对准所述0刻度线并旋转所述刻度盘，直接达到调整水平角度的目的，同时多个安装孔的设计提高了整体装置的通用性，一套夹具可满足多种型号像源的亮度测试需求。
The invention mainly relates to the technical field of digital image source brightness testing, and the invention provides a digital image source brightness testing fixture, comprising a base plate and a clamping mechanism fixed on the base plate, a dial connected to the base plate rotatably, and a scale A scale line indicating an angle is arranged on the disk along the outer edge, the scale line includes a 0 scale line, and a reference line that can be aligned with the scale line is provided on the base plate at a position close to the scale. The invention also provides a digital image source brightness test method, Including rotating the dial, aligning the reference line with the required angle and aligning the brightness tester with the 0 scale line, the present invention directly sets the horizontal angle adjustment device on the bottom of the fixture, by aligning the brightness tester with the 0 scale line and Rotating the dial directly achieves the purpose of adjusting the horizontal angle. At the same time, the design of multiple mounting holes improves the versatility of the overall device, and a set of fixtures can meet the brightness testing requirements of various types of image sources.
Description
Technical Field
The invention mainly relates to the technical field of digital image source brightness test, in particular to a clamp and a method for testing the digital image source brightness.
Background
The digital image source is mainly installed in a head-up display system and a helmet display system, and has the function of projecting an image to a corresponding optical system, so that a pilot can conveniently observe the digital image source.
In the prior art, when the horizontal angle is adjusted, the horizontal angle needs to be determined manually by means of the protractor, so that the protractor needs to be carried with a person, unnecessary burden is increased, and the manual use of the protractor is easily influenced by the precision of the fixing device and other uncertain factors, so that a device capable of solving the problems is needed.
Disclosure of Invention
The invention mainly provides a clamp and a method for testing the brightness of a digital image source, which are used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a clamp for testing the brightness of a digital image source comprises a bottom plate, a clamping mechanism and a dial, wherein the clamping mechanism is fixedly arranged on the bottom plate, can clamp the digital image source, and is rotatably connected to the bottom plate; scale marks for indicating angles are arranged on the dial disc along the outer edge; the scale lines comprise 0 scale line; and a reference line which can be aligned with the scale mark is arranged on the bottom plate at a position close to the dial.
Preferably, the device also comprises a pressing block which is detachably connected to the base; the pressing block comprises a limiting portion and a circular boss fixedly arranged at the bottom of the limiting portion, a circular through hole is formed in the center of the dial disc, the size diameter of the circular boss is smaller than that of the circular through hole, the size diameter of the circular through hole is smaller than that of the limiting portion, and the thickness of the circular boss is larger than that of the dial disc.
Preferably, the clamping mechanism includes: a pair of pillars fixedly arranged on the bottom plate; and the mounting plate is used for fixing the digital image source and is connected between the pair of the support columns through a rotating shaft bearing.
Preferably, the mounting plate includes: two side supporting plates which are respectively and rotatably connected with the two rotating shafts; and a panel detachably connected between the two side supporting plates; wherein, the panel is provided with mounting holes adapted to digital image sources of different models.
Preferably, the locking device further comprises a locking mechanism, wherein the locking mechanism comprises: the stop disc is detachably connected to the rotating shaft; and a stop handle; wherein the stopping handle comprises a first connecting part and a second connecting part which are fixedly connected with each other; the first connecting part is in threaded connection with a bushing on the other side of the strut; an arc-shaped through groove is formed in the stop disc; the size diameter of the first connecting part is smaller than the width of the arc-shaped through groove and smaller than the size diameter of the second connecting part; the first connection portion has a length greater than the thickness of the stopper disc.
Preferably, the top of the panel is detachably connected with a sensor bracket.
A digital image source brightness test method comprises the following steps: rotating the dial to align the reference line at a desired angle; and aligning the luminance tester to the 0 scale mark.
Preferably, the method further comprises the following steps: and manually adjusting the panel, observing the degree displayed by the angle sensor, and adjusting to a preset angle to tighten the stop handle.
Compared with the prior art, the invention has the beneficial effects that: the horizontal angle adjusting device is directly arranged at the bottom of the clamp, the brightness tester is aligned to the scale mark 0 and the dial is rotated, the purpose of adjusting the horizontal angle is directly achieved, the adjusting range of the horizontal angle is large, the adjusting range of the horizontal angle can reach +75 degrees to-75 degrees, the whole device is simple in structure and high in precision, uncertain factors such as carrying of the protractor and fixing of the protractor are avoided, meanwhile, the universality of the whole device is improved due to the design of a plurality of mounting holes, the brightness testing requirements of various types of image sources can be met by one set of clamp, the real-time fixing and adjustable pitch angle are realized due to the design of the locking mechanism, the range of the pitch angle can reach +70 degrees to-70 degrees, and the accuracy of pitch angle determination is further improved due to the real-time feedback of the angle sensor.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an exploded view of the overall structure of the present invention;
FIG. 4 is a schematic diagram of a compact structure of the present invention.
In the figure:
1, a bottom plate; 101 a reference line;
2, a dial scale; 201 scale lines; 201a0 scale mark; 202 circular through holes;
3, briquetting; 301 a position-limiting part; 302 circular boss;
4 pillars;
5, mounting a plate; 501 side supporting plates; 502a faceplate; 502a mounting hole;
6, a rotating shaft;
7 stopping the disc; 701, an arc-shaped through groove;
8, stopping the handle; 801 a first connection portion; 802 a second connection portion;
9 a bushing;
10, a bracket;
11 an angle sensor.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, the present invention provides a fixture for testing brightness of a digital image source, comprising a bottom plate 1 and a clamping mechanism fixed on the bottom plate 1, wherein the clamping mechanism can clamp the digital image source, the fixture further comprises a scale 2 rotatably connected to the bottom plate 1, the scale 2 is provided with a scale 201 for indicating an angle along an outer edge, the scale comprises 0 scale 201a, the bottom plate 1 is provided with a reference line 101 capable of aligning with the scale 201 at a position close to the scale 2, when in use, the scale 2 is rotated to align the reference line 101 at a required angle, and a brightness tester is aligned with the 0 scale 201a, so as to adjust a horizontal angle, the adjustment range of the horizontal angle can reach +75 ° to-75 °, the whole device is simple and efficient in adjustment mode, has high precision, and can solve the above mentioned technical problems, it should be noted that the specific structure of the rotary connection of the scale 2 in this embodiment, The mode or principle is not required, the dial 2 can be rotated, and the skilled person can select the mode according to the actual situation.
In view of the specific implementation of the rotational connection of the dial plate 2, on the basis of the above embodiment, the present invention provides a preferred technical solution, please refer to fig. 2 and 4 again, further comprising a press block 3 detachably connected to the base, the press block 3 comprises a limiting portion 301 and a circular boss 302 fixedly arranged at the bottom of the limiting portion 301, a circular through hole 202 is arranged at the center of the dial plate 2, the diameter of the circular boss 302 is smaller than that of the circular through hole 202 and smaller than that of the limiting portion 301, and the thickness of the circular boss 302 is larger than that of the dial plate 2, so as to ensure that the press block 3 can limit the dial plate 2 by penetrating the circular boss 302 at the bottom through hole 202, when the dial plate 2 is installed, the dial plate 2 is sleeved in the circular boss 302 below the press block 3, the circular boss 302 is fastened on the bottom plate 1 by using a fastening member, the dial plate is rotatable, wherein the fastening member is preferably a screw.
In view of the specific implementation of the clamping mechanism, on the basis of the above embodiment, the present invention further provides a preferred technical solution, the clamping mechanism includes a pair of support columns 4 fixed on the bottom plate 1 and a mounting plate 5 for fixing the digital image source, the mounting plate 5 is connected between the pair of support columns 4 through a rotating shaft 6, and when in use, the angle of the mounting plate 5 can be directly adjusted manually.
In view of the better structure of the mounting plate 5, on the basis of the above embodiment, the present invention provides a preferred technical solution, the mounting plate 5 includes two side support plates 501 rotatably connected to the two rotating shafts 6 respectively and a panel 502 detachably connected between the two side support plates 501, the panel 502 is provided with mounting holes 502a adapted to digital image sources of different models, the side support plates 501 are designed to be matched with the rotating shafts 6, the panel 502 and the plurality of mounting holes 502a thereon can be used for mounting digital image sources of different models, one set of clamp can meet the brightness test requirements of image sources of various models, and the usability of the whole device is improved.
Considering that the panel 502 can be locked after being rotated to a designated angle, on the basis of the above embodiment, the present invention further provides a preferred technical solution, further comprising a locking mechanism, the locking mechanism comprises a stop disk 7 and a stop handle 8, the stop disk 7 is detachably connected to the rotating shaft 6, the stop handle 8 comprises a first connecting portion 801 and a second connecting portion 802 fixedly connected with each other, the first connecting portion 801 is in threaded connection with the bushing 9 on the other side of the pillar 4, the stop disk 7 is provided with an arc-shaped through slot 701, the size of the first connecting portion 801 is smaller than that of the arc-shaped through slot 701 and smaller than that of the second connecting portion 802, the length of the first connecting portion 801 is larger than that of the stop disk 7, so as to ensure that the arc-shaped through slot 701 is not affected by the first connecting portion 801 when being rotated, and the stop disk 7 can be compacted when the stop handle 8 is screwed, when in use, the stop handle 8 is rotated clockwise, and the stop handle 8 squeezes the stop disk 7, specifically, the second connecting portion 802 presses two sides of the arc-shaped through groove 701 of the stop disk 7, the stop handle 8 and the pillar 4 clamp the stop disk 7 at the moment, the friction force is utilized to fix the stop disk 7, the stop disk 7 cannot rotate to be locked, after the stop handle 8 is loosened by counterclockwise rotation, the stop disk 7 does not contact with the pillar 4 and the stop handle 8, the panel 502 can rotate around the rotating shaft 6, the design of the locking mechanism realizes real-time fixing and adjustment of the pitch angle, and the range of the pitch angle can reach +70 degrees to-70 degrees.
Considering the more optimal selection of adjusting the pitch angle, on the basis of the above embodiment, the invention further provides a preferable technical scheme, the top of the panel 502 is detachably connected with the sensor support 10 for fixing the angle sensor 11, when in use, the angle sensor 11 is detachably connected to the support 4, the panel 502 is manually adjusted, the degree displayed by the angle sensor 11 is observed, the panel is adjusted to a proper angle, the stop handle 8 is screwed, the pitch angle required by the test can be fixed, the real-time feedback of the angle sensor further improves the accuracy of determining the pitch angle, the specific connection mode of the angle sensor 11 is preferably magnet adsorption, and the magnet adsorption is stable and convenient to detach, so that the invention is suitable for practical use.
The invention also provides a digital image source brightness test method, which comprises the steps of rotating the dial 2 to align the reference line 101 at a required angle and aligning the brightness tester at the 0-scale mark 201a, so as to determine the horizontal angle required by the test.
In view of the method for determining the pitch angle, on the basis of the above embodiment, the present invention further provides a preferred technical solution, and the method for testing the brightness of the digital image source further includes: the panel 502 is manually adjusted, the degree displayed by the angle sensor 11 is observed, and the locking handle 8 is screwed down when the degree is adjusted to a preset angle, so that the pitch angle required by the test is determined.
After the horizontal angle and the pitch angle are determined, the subsequent brightness test can be started.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110752393.1A CN113375910A (en) | 2021-07-03 | 2021-07-03 | Clamp and method for testing brightness of digital image source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110752393.1A CN113375910A (en) | 2021-07-03 | 2021-07-03 | Clamp and method for testing brightness of digital image source |
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| Publication Number | Publication Date |
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| CN113375910A true CN113375910A (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110752393.1A Pending CN113375910A (en) | 2021-07-03 | 2021-07-03 | Clamp and method for testing brightness of digital image source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114827587A (en) * | 2022-04-25 | 2022-07-29 | 中航华东光电有限公司 | Test device and test system for measuring airborne digital image source structure parameters |
| CN115185112A (en) * | 2022-05-18 | 2022-10-14 | 中航华东光电有限公司 | Digital image source liquid crystal box assembling clamp |
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| US5184405A (en) * | 1991-12-18 | 1993-02-09 | Jonathan Cress | Method and device for fitting toric contact lenses |
| CN107085306A (en) * | 2017-06-15 | 2017-08-22 | 杭州太若科技有限公司 | Display device, augmented reality equipment and the head-up display of augmented reality equipment |
| CN209247328U (en) * | 2019-02-26 | 2019-08-13 | 湖南航天捷诚电子装备有限责任公司 | A kind of visual angle detection device applied to airborne digital image source |
| CN211626881U (en) * | 2020-04-20 | 2020-10-02 | 苏州亮宇光学科技有限公司 | Instrument for detecting free-form surface virtual image distance |
| CN215065177U (en) * | 2021-07-03 | 2021-12-07 | 中航华东光电有限公司 | Clamp for testing brightness of digital image source |
-
2021
- 2021-07-03 CN CN202110752393.1A patent/CN113375910A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5184405A (en) * | 1991-12-18 | 1993-02-09 | Jonathan Cress | Method and device for fitting toric contact lenses |
| CN107085306A (en) * | 2017-06-15 | 2017-08-22 | 杭州太若科技有限公司 | Display device, augmented reality equipment and the head-up display of augmented reality equipment |
| CN209247328U (en) * | 2019-02-26 | 2019-08-13 | 湖南航天捷诚电子装备有限责任公司 | A kind of visual angle detection device applied to airborne digital image source |
| CN211626881U (en) * | 2020-04-20 | 2020-10-02 | 苏州亮宇光学科技有限公司 | Instrument for detecting free-form surface virtual image distance |
| CN215065177U (en) * | 2021-07-03 | 2021-12-07 | 中航华东光电有限公司 | Clamp for testing brightness of digital image source |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114827587A (en) * | 2022-04-25 | 2022-07-29 | 中航华东光电有限公司 | Test device and test system for measuring airborne digital image source structure parameters |
| CN115185112A (en) * | 2022-05-18 | 2022-10-14 | 中航华东光电有限公司 | Digital image source liquid crystal box assembling clamp |
| CN115185112B (en) * | 2022-05-18 | 2024-05-03 | 中航华东光电有限公司 | Digital image source liquid crystal box clamping apparatus |
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