CN205317682U - Lighting device is used in outer surface defect inspection of column - Google Patents
Lighting device is used in outer surface defect inspection of column Download PDFInfo
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- CN205317682U CN205317682U CN201521062848.3U CN201521062848U CN205317682U CN 205317682 U CN205317682 U CN 205317682U CN 201521062848 U CN201521062848 U CN 201521062848U CN 205317682 U CN205317682 U CN 205317682U
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- diffuse
- central authorities
- cylinder
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Abstract
The utility model discloses a lighting device is used in outer surface defect inspection of column, its characterized in that: set up the left and right terminal surface light source at central diffuse reflection section of thick bamboo both ends including a central diffuse reflection section of thick bamboo, symmetry, be equipped with a plurality of inspection holes of being inspected column surface image that are used for shooing on the surface middle ring line of a central diffuse reflection section of thick bamboo, the internal surface of a central diffuse reflection section of thick bamboo is equipped with one deck cylinder diffuse reflective coating, the right -hand member area source includes discoid supporting substrate, is used for to install the lamp base and the light screen of LED lamp, the central diffuse reflection section of thick bamboo of supporting substrate orientation one side be equipped with one deck terminal surface diffuse reflective coating on the surface, the surface of light screen is equipped with diffuse reflective coating, the center of supporting substrate and light screen all is equipped with the clearing hole that is used for being inspected that the column passes through, the structure of left end area source is the same with the right -hand member area source. The utility model discloses simple structure, the practicality is strong, has realized the uniform illumination, provides good condition for machine vision technique carries out the quick check to column beyond the region of objective existence surface defect.
Description
Technical field
The utility model relates to a kind of detection means of illumination, specifically a kind of column form object external defects inspection means of illumination.
Background technology
When using machine vision technique column exterior surface defect to be checked fast, it is necessary to the cylindrical outer surface of column form object thrown light on, the homogeneity of illumination to be ensured as far as possible. Whether planar light source or annular light source all cannot ensure the uniform illumination of column form object realization can be affected the accuracy of check result conventional machines vision light source. Therefore, it is provided that column form object can be realized evenly throwing light on by one, and the lighting system checked fast is very necessary.
Practical novel content
The technical problem that column form object carries out how providing when surface imperfection checks even lighting source according to above-mentioned proposition, and a kind of column form object external defects inspection means of illumination is provided. The utility model mainly utilizes circular cylindrical interior surface twinkler as light source, is thrown light on by the outside surface of columnar object, and it, around right cylinder, is irradiated by illuminating ray from all angles, so that column form object outside surface is thrown light on uniformly.
The technique means that the utility model adopts is as follows:
A kind of column form object external defects inspection means of illumination, it is characterised in that: described means of illumination comprises central authorities' diffuse-reflectance cylinder, is symmetricly set on right side light source and the left side light source at described central authorities diffuse-reflectance cylinder two ends;
Described central authorities diffuse-reflectance cylinder is tubular construction, being provided with multiple inspection window for the examined column form object surface image of pick up camera shooting on the outside surface Middle Ring Line of described central authorities diffuse-reflectance cylinder, the internal surface of described central authorities diffuse-reflectance cylinder is provided with one layer of cylinder diffuse coatings;
Described right side light source comprise disk shape supporting substrate, for installing lamp seat and the tinted shade of LED, described lamp seat is arranged towards the inside of described central authorities diffuse-reflectance cylinder, and described tinted shade is placed in the end of described lamp seat towards described central authorities diffuse-reflectance cylinder interior side; Described supporting substrate is provided with one layer of end face diffuse coatings towards the surface of described central authorities diffuse-reflectance cylinder side, and the surface of described tinted shade is provided with diffuse coatings; The center of described supporting substrate and described tinted shade is equipped with the passing hole for described examined column form object passes through;
The structure of described left side light source is identical with described right side light source.
When real work, the position of inspection window arranges pick up camera, and for the examined column form object outside surface of shooting, above-mentioned cylinder diffuse coatings, end face diffuse coatings and diffuse coatings are white diffuse reflection material, such as barium sulfate, calcium sulfate etc. The effect of tinted shade prevents the light of LED from shining directly on examined column form object, impact illumination effect. Left side light source is identical with right side light-source structure, and symmetrical placement, is maintained by hole and is on same axis, it is ensured that examined column form object can on the same axis by checking.
Further, described lamp seat is made up of by the lamp seat monomer of the rounded radial arrangement of axle of the axis of described central authorities diffuse-reflectance cylinder multiple.
Further, described lamp seat monomer comprises and described supporting substrate is fixing bottom seat and described tinted shade fixing and the top seat that arranges along described tinted shade end face vertical direction and the lamp mounting face arranged in gradient being arranged between described base and described top seat.
Further, angle between described lamp mounting face and described bottom seat is between 0 °-90 °, it may be preferred that angle is between 15 °-60 °.
Further, the material of described lamp seat is the one in aluminium alloy, copper alloy.
The selection principle of lamp seat is the good material of heat conductivility, is not limited to above-mentioned two kind. By the above-mentioned form of distinctive lamp seat monomer and the arrangement of circle out shape, it is possible to the light making LED launch is penetrated to each diffuse surface, the light after diffuse-reflectance can evenly to the examined column form object illumination being positioned on central authorities' diffuse-reflectance cylinder axis.
Relatively prior art is compared, the utility model is by manufacturing a circular cylindrical interior surface diffuse surface, at suitable location arrangements luminous point, lamp seat form is rationally set, coordinates with supporting substrate and tinted shade, make light penetrate to each diffuse surface, light after diffuse surface diffuse-reflectance can realize being thrown light on uniformly by examined column form object, carry out column beyond the region of objective existence plane defect checking fast for machine vision technique and provide good condition, there is structure simple, the advantage such as practical.
The utility model extensively can be promoted at machine vision technique detection field for the foregoing reasons.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structure explosive view of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is front view of the present utility model.
Fig. 4 is sectional view of the present utility model.
In figure: 1, central authorities' diffuse-reflectance cylinder 11, cylinder diffuse coatings 12, inspection window 2, right side light source 21, supporting substrate 22, end face diffuse coatings 23, tinted shade 24, passing hole 25, lamp seat 26, LED 3, left side light source 4, examined column form object.
Embodiment
As shown in Figures 1 to 4, a kind of column form object external defects inspection means of illumination, described means of illumination comprises central authorities' diffuse-reflectance cylinder 1, is symmetricly set on right side light source 2 and the left side light source 3 at described central authorities diffuse-reflectance cylinder 1 two ends;
Described central authorities diffuse-reflectance cylinder 1 is tubular construction, being provided with multiple inspection window 12 for examined column form object 4 surface image of pick up camera shooting on the outside surface Middle Ring Line of described central authorities diffuse-reflectance cylinder 1, the internal surface of described central authorities diffuse-reflectance cylinder 1 is provided with one layer of cylinder diffuse coatings 11; Arranging of detect aperture 12 can arrange decision the number of openings according to pick up camera, is distributed on Middle Ring Line, as detect aperture 12 can offer 3,4,5 etc.
Described right side light source 2 comprise disk shape supporting substrate 21, for installing lamp seat 25 and the tinted shade 23 of LED 26, described lamp seat 25 is arranged towards the inside of described central authorities diffuse-reflectance cylinder 1, and described tinted shade 23 is placed in the end of described lamp seat 25 towards described central authorities diffuse-reflectance cylinder 1 interior side; Described supporting substrate 21 is provided with one layer of end face diffuse coatings 22 towards the surface of described central authorities diffuse-reflectance cylinder 1 side, and the surface of described tinted shade 23 is provided with diffuse coatings; The center of described supporting substrate 21 and described tinted shade 23 is equipped with the passing hole 24 for described examined column form object 4 passes through; Described cylinder diffuse coatings 11, end face diffuse coatings 22 and diffuse coatings are white diffuse coatings, and material is barium sulfate, calcium sulfate etc. The effect of tinted shade 23 prevents the light of LED 26 from shining directly on examined column form object, impact illumination effect. Left side light source 3 is identical with right side light source 2 structure, and symmetrical placement, is maintained by hole 24 and is on same axis, it is ensured that examined column form object 4 can on the same axis by checking.
Described lamp seat 25 is made up of by the lamp seat monomer of the rounded radial arrangement of axle of the axis of described central authorities diffuse-reflectance cylinder 1 multiple. Described lamp seat monomer comprises and described supporting substrate 21 is fixing bottom seat and described tinted shade 23 fixing and the top seat that arranges along described tinted shade 23 end face vertical direction and the lamp mounting face arranged in gradient being arranged between described base and described top seat. Angle between described lamp mounting face and described bottom seat is between 0 °-90 °, it may be preferred that angle is arranged can between 15 °-60 °, and special angle is arranged can between 0 °-45 °. In embody rule process, the endpoint value of angle is respectively: arrange LED on the seat of top, and now lamp is according to angle in 90 ° between direction and bottom seat, then has and can also arrange LED on the seat of bottom, and now lamp becomes 0 ° of angle according between direction and bottom seat; Other angles are the situation arranging LED on lamp mounting face. Described lamp seat 25 selection principle is the good material of heat conductivility, it is possible to the one in aluminium alloy, copper alloy, and is not limited to above-mentioned two kind. By the above-mentioned form of distinctive lamp seat monomer and the arrangement of circle out shape, the light that LED 26 can be made to launch is penetrated to each diffuse surface, and the examined column form object 4 being positioned on central authorities' diffuse-reflectance cylinder 1 axis can evenly be thrown light on by the light after diffuse-reflectance.
The above; it is only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; any it is familiar with those skilled in the art in the technical scope that the utility model discloses; it is equal to according to the technical solution of the utility model and practical novel design thereof and replaces or change, all should be encompassed within protection domain of the present utility model.
Claims (5)
1. a column form object external defects inspection means of illumination, it is characterised in that: described means of illumination comprises central authorities' diffuse-reflectance cylinder (1), is symmetricly set on right side light source (2) and the left side light source (3) at described central authorities diffuse-reflectance cylinder (1) two ends;
Described central authorities' diffuse-reflectance cylinder (1) are tubular construction, being provided with multiple inspection window (12) for examined column form object (4) surface image of pick up camera shooting on the outside surface Middle Ring Line of described central authorities' diffuse-reflectance cylinder (1), the internal surface of described central authorities' diffuse-reflectance cylinder (1) is provided with one layer of cylinder diffuse coatings (11);
Described right side light source (2) comprise disk shape supporting substrate (21), for installing lamp seat (25) and the tinted shade (23) of LED (26), described lamp seat (25) is arranged towards the inside of described central authorities' diffuse-reflectance cylinder (1), and described tinted shade (23) is placed in the end of described lamp seat (25) towards described central authorities diffuse-reflectance cylinder (1) interior side; Described supporting substrate (21) is provided with one layer of end face diffuse coatings (22) towards the surface of described central authorities diffuse-reflectance cylinder (1) side, and the surface of described tinted shade (23) is provided with diffuse coatings; The center of described supporting substrate (21) and described tinted shade (23) is equipped with the passing hole (24) for described examined column form object (4) is passed through;
The structure of described left side light source (3) is identical with described right side light source (2).
2. column form object external defects inspection means of illumination according to claim 1, it is characterised in that: described lamp seat (25) is made up of multiple lamp seat monomer taking the axis of described central authorities' diffuse-reflectance cylinder (1) as the rounded radial arrangement of axle.
3. column form object external defects inspection means of illumination according to claim 2, it is characterised in that: described lamp seat monomer comprises and described supporting substrate (21) is fixing bottom seat and described tinted shade (23) fixing and the top seat that arranges along described tinted shade (23) end face vertical direction and the lamp mounting face arranged in gradient being arranged between described base and described top seat.
4. column form object external defects inspection means of illumination according to claim 3, it is characterised in that: the angle between described lamp mounting face and described bottom seat is between 0 °-90 °.
5. column form object external defects inspection means of illumination according to claim 1, it is characterised in that: the material of described lamp seat (25) is the one in aluminium alloy, copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062848.3U CN205317682U (en) | 2015-12-17 | 2015-12-17 | Lighting device is used in outer surface defect inspection of column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062848.3U CN205317682U (en) | 2015-12-17 | 2015-12-17 | Lighting device is used in outer surface defect inspection of column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205317682U true CN205317682U (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521062848.3U Withdrawn - After Issue CN205317682U (en) | 2015-12-17 | 2015-12-17 | Lighting device is used in outer surface defect inspection of column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205317682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352971A (en) * | 2015-12-17 | 2016-02-24 | 大连实远科技发展有限公司 | Illumination device for detection of defects on outer surface of cylinder |
| CN114166860A (en) * | 2021-12-01 | 2022-03-11 | 浙江久立特材科技股份有限公司 | Lighting device and imaging method for visual detection of defects on outer surface of steel pipe |
| CN116834066A (en) * | 2022-08-02 | 2023-10-03 | 刘付善 | Balance testing device for robot assembly gripping apparatus |
-
2015
- 2015-12-17 CN CN201521062848.3U patent/CN205317682U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352971A (en) * | 2015-12-17 | 2016-02-24 | 大连实远科技发展有限公司 | Illumination device for detection of defects on outer surface of cylinder |
| CN105352971B (en) * | 2015-12-17 | 2018-05-04 | 大连实远科技发展有限公司 | Column external defects inspection lighting device |
| CN114166860A (en) * | 2021-12-01 | 2022-03-11 | 浙江久立特材科技股份有限公司 | Lighting device and imaging method for visual detection of defects on outer surface of steel pipe |
| CN116834066A (en) * | 2022-08-02 | 2023-10-03 | 刘付善 | Balance testing device for robot assembly gripping apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160615 Effective date of abandoning: 20180504 |