JPS5871155U - Lighting device for inspecting steel surface defects - Google Patents
Lighting device for inspecting steel surface defectsInfo
- Publication number
- JPS5871155U JPS5871155U JP16683781U JP16683781U JPS5871155U JP S5871155 U JPS5871155 U JP S5871155U JP 16683781 U JP16683781 U JP 16683781U JP 16683781 U JP16683781 U JP 16683781U JP S5871155 U JPS5871155 U JP S5871155U
- Authority
- JP
- Japan
- Prior art keywords
- unidirectional
- surface defects
- steel surface
- condensing lens
- lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims 4
- 230000007547 defect Effects 0.000 title claims 4
- 239000010959 steel Substances 0.000 title claims 4
- 238000005286 illumination Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は従来のスリットパターン方式の照明
装置の説明図、第３図は第２図の装置における光強度分
布の説明図、第４図はこの考案装置の一実施例を示す説
明図、第５図ａ、 ｂは従来と対比した光量利用率の
説明図、第６図は他の実施例を示す説明図、第７図は積
分レンズの斜視図である。
１・・・点光源ランプ、４・・・放物面鏡、６・・・第
１の一方向集光性レンズ、７・・・シリンドリカルレン
ズ、８・・・第２の一方向集光性レンズ、１１１・・・
球面偏平レンズ、１１．１２・・・単位レンズ、１３・
・・積分レンズ。1 and 2 are explanatory diagrams of a conventional slit pattern type illumination device, FIG. 3 is an explanatory diagram of the light intensity distribution in the device of FIG. 2, and FIG. 4 is an illustration of an embodiment of this devised device. FIGS. 5a and 5b are explanatory diagrams of the light amount utilization rate in comparison with the conventional one, FIG. 6 is an explanatory diagram showing another embodiment, and FIG. 7 is a perspective view of the integrating lens. DESCRIPTION OF SYMBOLS 1... Point light source lamp, 4... Parabolic mirror, 6... First unidirectional light-gathering lens, 7... Cylindrical lens, 8... Second unidirectional light-gathering lens Lens, 111...
Spherical flattened lens, 11.12... Unit lens, 13.
...integral lens.
Claims (3)
の２次焦点に第１の一方向集光性レンズを設けると共に
、上記集光性レンズの焦点に第２の一方向性集光性レン
ズを９０°回転させて設置し、照明光の拡がりを集束し
て線状パターン照明を行なう鋼材表面疵検査用照明装置
。(1) A point light source lamp is provided at the focal point of the parabolic mirror, and a first unidirectional condensing lens is provided at the secondary focus of the parabolic mirror, and a second unidirectional condensing lens is provided at the focal point of the parabolic mirror. A lighting device for inspecting steel surface defects that uses a unidirectional condensing lens rotated 90 degrees to focus the spread of illumination light to provide linear pattern illumination.
レンズとしたことを特徴とする実用新案登録請求の範囲
第１項記載の鋼材表面疵検査用照明装置。(2) The illumination device for inspecting steel surface defects as set forth in claim 1, wherein the first unidirectional light condensing lens is a cylindrical lens.
全方向の球面偏平レンズからなる単位レンズを並列的に
配置した積分レンズとしたことを特徴とする実用新案登
録請求の範囲第１項記載の鋼材表面疵検査用照明装置。(3) Utility model registration claim No. 1, characterized in that the first unidirectional light condensing lens is an integral lens in which unit lenses made of spherical flat lenses whose light convergence characteristics are omnidirectional are arranged in parallel. The illumination device for inspecting steel surface defects according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16683781U JPS5871155U (en) | 1981-11-09 | 1981-11-09 | Lighting device for inspecting steel surface defects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16683781U JPS5871155U (en) | 1981-11-09 | 1981-11-09 | Lighting device for inspecting steel surface defects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5871155U true JPS5871155U (en) | 1983-05-14 |
Family
ID=29958975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16683781U Pending JPS5871155U (en) | 1981-11-09 | 1981-11-09 | Lighting device for inspecting steel surface defects |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5871155U (en) |
-
1981
- 1981-11-09 JP JP16683781U patent/JPS5871155U/en active Pending
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