JPH044291U - - Google Patents
Info
- Publication number
- JPH044291U JPH044291U JP4537490U JP4537490U JPH044291U JP H044291 U JPH044291 U JP H044291U JP 4537490 U JP4537490 U JP 4537490U JP 4537490 U JP4537490 U JP 4537490U JP H044291 U JPH044291 U JP H044291U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- dust removal
- optical paths
- path
- light receiving
- 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
- 230000003287 optical effect Effects 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 5
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Description
第１図は断面図、第２図は他の実施例を示す断
面図である。
２……ケース本体、４……光路、６……被検出
物通過路、８……発光素子、１０……受光素子、
１２，１４……ゴミ除去口、１６，１８……キヤ
ツプ、２０……被検出物、２２……ケース本体、
２４……光路、２６……発光素子、２８……受光
素子、３０……反射体、３２……ゴミ除去口、３
４……キヤツプ、３６……被検出物。
FIG. 1 is a sectional view, and FIG. 2 is a sectional view showing another embodiment. 2... Case body, 4... Optical path, 6... Sensing object passage, 8... Light emitting element, 10... Light receiving element,
12, 14... Dust removal port, 16, 18... Cap, 20... Object to be detected, 22... Case body,
24... Optical path, 26... Light emitting element, 28... Light receiving element, 30... Reflector, 32... Dust removal port, 3
4... Cap, 36... Object to be detected.
Claims (1)
し、前記ケース本体２，２２に前記光路４，２４
と交わる被検出物通過路６，３２を形成し、前記
光路４，２４の一方に発光素子８，２６を配設し
、前記光路４，２４の他方に受光素子１０，２８
を配設し、前記ケース本体２，２２に前記光路４
，２４の内部と前記ケース本体２，２２の外部と
に連通してキヤツプ付きのゴミ除去口１２，１４
，３２を設けたことを特徴とする光センサ。 (2) 前記ゴミ除去口１２，１４を前記光路４の
前記被検出物通過路６との交点の近傍部分に開口
せしめたことを特徴とする第１項記載の光センサ
。 (3) 前記ゴミ除去口３２を前記光路２４の前記
受光素子配設場所の近傍に開口せしたことを特徴
とする第１項記載の光センサ。[Claims for Utility Model Registration] (1) Optical paths 4, 24 are formed in the case bodies 2, 22, and the optical paths 4, 24 are formed in the case bodies 2, 22.
A light emitting element 8, 26 is provided in one of the optical paths 4, 24, and a light receiving element 10, 28 is provided in the other of the optical paths 4, 24.
is arranged, and the optical path 4 is provided in the case body 2, 22.
, 24 and the outside of the case body 2, 22, and a dust removal port 12, 14 with a cap is provided.
, 32. (2) The optical sensor according to item 1, wherein the dust removal ports 12 and 14 are opened in the vicinity of the intersection of the optical path 4 with the object passing path 6. (3) The optical sensor according to item 1, wherein the dust removal port 32 is opened in the vicinity of the light receiving element arrangement location of the optical path 24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4537490U JPH044291U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4537490U JPH044291U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH044291U true JPH044291U (en) | 1992-01-16 |
Family
ID=31559494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4537490U Pending JPH044291U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044291U (en) |
-
1990
- 1990-04-27 JP JP4537490U patent/JPH044291U/ja active Pending