CN215003571U - Telecentric parallel profile lighting device special for optical large-visual-field rapid image measuring instrument - Google Patents
Telecentric parallel profile lighting device special for optical large-visual-field rapid image measuring instrument Download PDFInfo
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- CN215003571U CN215003571U CN202121467814.8U CN202121467814U CN215003571U CN 215003571 U CN215003571 U CN 215003571U CN 202121467814 U CN202121467814 U CN 202121467814U CN 215003571 U CN215003571 U CN 215003571U
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Abstract
The utility model discloses a special telecentric parallel outline lighting device of an optical large-visual-field rapid image measuring instrument, which belongs to the technical field of image measurement and comprises a light source structure, a main optical lens and a refractor structure, wherein the main optical lens is arranged at one side of the light source structure, the main optical lens and the light source structure are positioned on the same horizontal plane, and the refractor structure is arranged at the lower end of the main optical lens and the light source structure; the refractor structure is provided with a main front coated refractor and an auxiliary front coated refractor, and an included angle formed by the main front coated refractor and the auxiliary front coated refractor is not more than 180 degrees, so that a light source enters the device through the light source structure, is refracted to the main front coated refractor through the auxiliary front coated refractor, and is projected out of the main optical lens immediately. The height of the large-visual-field rapid image measuring instrument is greatly reduced while the measurement precision of most products is solved, so that people can carry the instrument conveniently.
Description
Technical Field
The utility model relates to an image measuring instrument technical field especially relates to the dedicated parallel profile lighting device of telecentric mirror of the big field of vision quick image measuring instrument of optics.
Background
The optical quick image measuring instrument is a high-precision, high-efficiency and high-reliability measuring instrument integrating optical, mechanical, electronic and computer image processing technologies. The optical amplification system amplifies the object to be detected, and after the image characteristics are collected by the CCD camera system and sent to the computer, the contour, surface shape, size, angle and position of various complex and precise parts can be detected efficiently, and microscopic detection and quality control are performed. The method is widely applied to measurement in industries such as machinery, electronics, aerospace, dies, gears, wiring terminals, circuit board contacts, hardware plastics, magnetic materials, electronic circuits, elements, watch mechanical accessories, precision clamping jigs, plastics, hardware, computer peripheries and the like.
The contour lighting device adopted by the large-visual-field optical image rapid measuring instrument on the market at present is generally divided into a panel light source and a telecentric light source. The panel light source is suitable for detecting flat products and has poor lighting imaging effect on rod-shaped products or products with height difference. The telecentric parallel illumination device is composed of two or more optical lenses and needs a long focal length to adjust to a good telecentric parallel effect, so the device is large and long, and although the large-view fast image inspection instrument using the outline illumination device has a good measurement effect, the equipment height is too high, and the transportation is very difficult.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a dedicated telecentric parallel profile lighting device of the optical large-visual-field quick image measuring instrument is provided, the height is low, the volume is small, and the illuminating effect is good.
To achieve the purpose, the utility model adopts the following technical proposal:
the preferred technical solution of the present invention is that the optical device comprises a light source structure, a main optical lens and a refractor structure, wherein the main optical lens is installed at one side of the light source structure, and the main optical lens and the light source structure are located on the same horizontal plane, and the refractor structure is installed at the lower end of the main optical lens and the light source structure; the refractor structure is provided with a main front coated refractor and an auxiliary front coated refractor, the main front coated refractor is positioned on the same side of the main optical lens, the auxiliary front coated refractor is positioned on the same side of the light source structure, and an included angle formed by the main front coated refractor and the auxiliary front coated refractor is not more than 180 degrees, so that a light source passes through the light source structure and enters the device, is refracted to the main front coated refractor through the auxiliary front coated refractor, and then is projected out of the main optical lens.
The utility model discloses preferred technical scheme lies in, the refracting area of coating film refractor before the owner is greater than the refracting area of coating film refractor before the vice.
The preferred technical solution of the present invention is that the present invention further comprises a base, wherein the light source structure and the main optical lens are fixed on the base; the main front coated refractor and the auxiliary front coated refractor are rotatably connected with the base.
The present invention preferably has a technical solution in that the light source structure is provided with an auxiliary optical lens, and the area of the auxiliary optical lens is smaller than that of the main optical lens.
The utility model discloses preferred technical scheme lie in, main preceding coated refractor with vice preceding coated refractor all with base pivoted maximum angle is no longer than 180.
The utility model discloses preferred technical scheme lies in, the refraction area of coating film refractor covers before the owner main optical lens, the refraction area of coating film refractor covers before vice auxiliary optical lens.
The utility model has the advantages that:
the technical problem to be solved by the present invention is to provide a special telecentric parallel contour lighting device for an optical large-field-of-view fast image measuring instrument, which comprises a light source structure, a main optical lens and a refractor structure, wherein the main optical lens is installed at one side of the light source structure, and the main optical lens and the light source structure are located on the same horizontal plane, and the refractor structure is installed at the lower end of the main optical lens and the light source structure; the refractor structure is provided with a main front coated refractor and an auxiliary front coated refractor, the main front coated refractor is positioned on the same side of the main optical lens, the auxiliary front coated refractor is positioned on the same side of the light source structure, and an included angle formed by the main front coated refractor and the auxiliary front coated refractor is not more than 180 degrees, so that a light source passes through the light source structure and enters the device, is refracted to the main front coated refractor through the auxiliary front coated refractor, and then is projected out of the main optical lens. The height of the large-visual-field rapid image measuring instrument is greatly reduced while the measurement precision of most products is solved, so that people can carry the instrument conveniently.
Drawings
Fig. 1 is a schematic view of an overall structure of a telecentric parallel contour illuminator specially used for an optical large-field-of-view fast image measuring apparatus according to an embodiment of the present invention;
in the figure:
1. a light source structure; 2. a main optical lens; 31. a primary front coated refractor; 32. a secondary front coated refractor; 4. a base.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a dedicated telecentric parallel profile lighting device of optics large-field of vision quick image measuring apparatu, including light source structure 1, main optical lens 2 and refractor structure, main optical lens 2 installs in one side of light source structure 1, and main optical lens 2 and light source structure 1 are located same horizontal plane, refractor structure installs in the lower extreme of main optical lens 2 and light source structure 1; the refractor structure is provided with a main front coated refractor 31 and an auxiliary front coated refractor 32, the main front coated refractor 31 is positioned at the same side of the main optical lens 2, the auxiliary front coated refractor 32 is positioned at the same side of the light source structure 1, and an included angle formed by the main front coated refractor 31 and the auxiliary front coated refractor 32 is not more than 180 degrees, so that a light source enters the device through the light source structure 1, is refracted to the main front coated refractor 31 through the auxiliary front coated refractor 32, and is projected out of the main optical lens 2 immediately.
Preferably, the refractive area of primary front coated refractor 31 is greater than the refractive area of secondary front coated refractor 32.
Preferably, the device further comprises a base 4, and the light source structure 1 and the main optical lens 2 are both fixed on the base 4; the primary front coated refractor 31 and the secondary front coated refractor 32 are rotatably connected with the base 4.
Preferably, the light source structure 1 is provided with a secondary optical lens having a smaller area than the primary optical lens 2.
Preferably, the maximum angle of rotation of the primary front coated refractor 31 and the secondary front coated refractor 32 with respect to the base 4 is not more than 180 °.
Preferably, the refractive area of primary front coated refractor 31 covers primary optical lens 2 and the refractive area of secondary front coated refractor 32 covers secondary optical lens.
The light source sees through coating film refractor 32 before vice optical lens slightly enlargies back and changes the light path before mainly coating film refractor 31 through vice, form parallel telecentric's the effect of shining through main optical lens 2 at last, wherein coating film refractor 31 before mainly and coating film refractor 32 before vice rotate with base 4 and be connected, make things convenient for people angle regulation to change the light path, compare with prior art, through coating film high reflection refractor before two, change the light path, accomplish to make telecentric parallel lighting device save installation space.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (6)
1. Dedicated telecentric parallel profile lighting device of optics wide-field of vision quick image measuring instrument, its characterized in that:
the LED illumination device comprises a light source structure (1), a main optical lens (2) and a refractor structure, wherein the main optical lens (2) is arranged on one side of the light source structure (1), the main optical lens (2) and the light source structure (1) are positioned on the same horizontal plane, and the refractor structure is arranged at the lower ends of the main optical lens (2) and the light source structure (1);
the utility model discloses a light source structure, including refractor structure, light source structure, auxiliary front coated refractor (32), light source structure, auxiliary front coated refractor (31), auxiliary front coated refractor (32), light source structure (1) and with one side, main front coated refractor (31) with the contained angle that auxiliary front coated refractor (32) formed is no longer than 180 for the light source passes through behind light source structure (1) the entering device, the process auxiliary front coated refractor (32) refracts to main front coated refractor (31), follows immediately main optical lens (2) throw out.
2. A telecentric parallel profile illuminator specially used for an optical large-field-of-view fast image measuring instrument according to claim 1, characterized in that:
the refraction area of the main front coated refractor (31) is larger than that of the auxiliary front coated refractor (32).
3. A telecentric parallel profile illuminator specially used for an optical large-field-of-view fast image measuring instrument according to claim 2, characterized in that:
the light source structure (1) and the main optical lens (2) are fixed on the base (4);
the main front coated refractor (31) and the auxiliary front coated refractor (32) are rotatably connected with the base (4).
4. A telecentric parallel profile illuminator specially used for an optical large-field-of-view fast image measuring instrument according to claim 1, characterized in that:
the light source structure (1) is provided with a secondary optical lens, the area of which is smaller than that of the primary optical lens (2).
5. A telecentric parallel profile illuminator specially used for an optical large-field-of-view fast image measuring instrument according to claim 3, characterized in that:
the maximum rotating angle between the main front coated refractor (31) and the auxiliary front coated refractor (32) and the base (4) is not more than 180 degrees.
6. The telecentric parallel profile illuminator specially used for the optical large-field-of-view fast image measuring instrument according to claim 4, wherein:
the refraction area of the main front coated refractor (31) covers the main optical lens (2), and the refraction area of the auxiliary front coated refractor (32) covers the auxiliary optical lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121467814.8U CN215003571U (en) | 2021-06-30 | 2021-06-30 | Telecentric parallel profile lighting device special for optical large-visual-field rapid image measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121467814.8U CN215003571U (en) | 2021-06-30 | 2021-06-30 | Telecentric parallel profile lighting device special for optical large-visual-field rapid image measuring instrument |
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| Publication Number | Publication Date |
|---|---|
| CN215003571U true CN215003571U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121467814.8U Active CN215003571U (en) | 2021-06-30 | 2021-06-30 | Telecentric parallel profile lighting device special for optical large-visual-field rapid image measuring instrument |
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| Country | Link |
|---|---|
| CN (1) | CN215003571U (en) |
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2021
- 2021-06-30 CN CN202121467814.8U patent/CN215003571U/en active Active
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