JPH0260856U - - Google Patents
Info
- Publication number
- JPH0260856U JPH0260856U JP13988888U JP13988888U JPH0260856U JP H0260856 U JPH0260856 U JP H0260856U JP 13988888 U JP13988888 U JP 13988888U JP 13988888 U JP13988888 U JP 13988888U JP H0260856 U JPH0260856 U JP H0260856U
- Authority
- JP
- Japan
- Prior art keywords
- detection window
- light
- housing
- view
- detection
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000011109 contamination Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 description 2
Description
第１図は本考案の一実施例の概略断面図、第２
図は本考案の他の実施例の概略断面図、第３図は
本考案の更に他の実施例の概略断面図、第４図は
その正面図、第５図は遮蔽板を開状態で示す第４
図と同じ正面図、第６図は本考案の更に他の実施
例の概略側面図、第７図はその要部の概略断面図
である。
１……検出部、２……筐体、３……光センサー
、４……光フアイバー、４Ａ……受光面、９……
エアチユーブ、１０……検出窓、１１……エアチ
ユーブ、１３……検出部、１４……筐体、１５…
…光センサー、１６……レンズ、１７……光源、
２０，２２……エアチユーブ、２３，２４……検
出窓、２６……ロータリーソレノイド、２７……
遮蔽板、３０……検出部、３１……光センサー、
３２……光フアイバー、３２Ａ……受光面、３３
……エアチユーブ、３４……ジヨイント、３５…
…エアチユーブ、３６……高圧エアを発生する装
置、４０……筐体、４２……検出窓。
Fig. 1 is a schematic sectional view of one embodiment of the present invention;
The figure is a schematic sectional view of another embodiment of the present invention, FIG. 3 is a schematic sectional view of still another embodiment of the present invention, FIG. 4 is a front view thereof, and FIG. 5 shows the shielding plate in an open state. Fourth
6 is a schematic side view of still another embodiment of the present invention, and FIG. 7 is a schematic sectional view of the main part thereof. 1... Detection unit, 2... Housing, 3... Optical sensor, 4... Optical fiber, 4A... Light receiving surface, 9...
Air tube, 10...Detection window, 11...Air tube, 13...Detection section, 14...Housing, 15...
...Light sensor, 16...Lens, 17...Light source,
20, 22... Air tube, 23, 24... Detection window, 26... Rotary solenoid, 27...
Shielding plate, 30... detection unit, 31... light sensor,
32... Optical fiber, 32A... Light receiving surface, 33
...Air tube, 34...Joint, 35...
... Air tube, 36 ... Device that generates high pressure air, 40 ... Housing, 42 ... Detection window.
Claims (1)
光面を、対向する部分に検出窓を開口した筐体内
に収容し、該検出窓から空気を噴出させるように
構成したことを特徴とする検出部の汚染防止装置
。 Contamination of a detection unit, characterized in that at least the light-receiving surface of a member that introduces light to an optical sensor is housed in a housing having a detection window opened in an opposing part, and air is blown out from the detection window. Prevention device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13988888U JPH0260856U (en) | 1988-10-28 | 1988-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13988888U JPH0260856U (en) | 1988-10-28 | 1988-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0260856U true JPH0260856U (en) | 1990-05-07 |
Family
ID=31403564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13988888U Pending JPH0260856U (en) | 1988-10-28 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0260856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009526979A (en) * | 2006-02-16 | 2009-07-23 | マーポス、ソチエタ、ペル、アツィオーニ | Gauge for checking the radial dimensions of machine parts |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917803B2 (en) * | 1976-07-06 | 1984-04-24 | セイコーエプソン株式会社 | lcd cell |
| JPS6222543B2 (en) * | 1980-10-29 | 1987-05-19 | Oki Electric Ind Co Ltd |
-
1988
- 1988-10-28 JP JP13988888U patent/JPH0260856U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917803B2 (en) * | 1976-07-06 | 1984-04-24 | セイコーエプソン株式会社 | lcd cell |
| JPS6222543B2 (en) * | 1980-10-29 | 1987-05-19 | Oki Electric Ind Co Ltd |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009526979A (en) * | 2006-02-16 | 2009-07-23 | マーポス、ソチエタ、ペル、アツィオーニ | Gauge for checking the radial dimensions of machine parts |