JPS6356540U - - Google Patents
Info
- Publication number
- JPS6356540U JPS6356540U JP14974486U JP14974486U JPS6356540U JP S6356540 U JPS6356540 U JP S6356540U JP 14974486 U JP14974486 U JP 14974486U JP 14974486 U JP14974486 U JP 14974486U JP S6356540 U JPS6356540 U JP S6356540U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- light
- light emitting
- receiving element
- optically opposed
- 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
- 239000013307 optical fiber Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
Description
第１図はこの考案における光フアイバー形光電
スイツチの一実施例を示す構成図、第２図はこの
考案の応用例を示す構成図、第３図は他の応用例
を示す構成図、第４図はこの考案の他の実施例を
示す構成図、第５図は投光素子の経年変化を示す
特性図、第６図は投光素子の温度による変化を示
す特性図である。
１……ハウジング、２……投光素子、３……第
１の受光素子、４……第２の受光素子、５……差
動増幅器、６……検出回路、７……標準検出体、
８……被検出体、９……出力回路、１０……光源
選択回路、１１……第１の投光用光フアイバー、
１２……第２の投光用光フアイバー、１３……第
１の受光用光フアイバー、１４……第２の受光用
光フアイバー。
Fig. 1 is a block diagram showing one embodiment of the optical fiber type photoelectric switch of this invention, Fig. 2 is a block diagram showing an application example of this invention, Fig. 3 is a block diagram showing another application example, and Fig. 4 is a block diagram showing an example of application of this invention. FIG. 5 is a diagram showing the structure of another embodiment of the invention, FIG. 5 is a characteristic diagram showing changes in the light projecting element over time, and FIG. 6 is a characteristic chart showing changes in the light projecting element due to temperature. DESCRIPTION OF SYMBOLS 1... Housing, 2... Light emitting element, 3... First light receiving element, 4... Second light receiving element, 5... Differential amplifier, 6... Detection circuit, 7... Standard detection object,
8... Object to be detected, 9... Output circuit, 10... Light source selection circuit, 11... First optical fiber for light projection,
12... Second light-emitting optical fiber, 13... First light-receiving optical fiber, 14... Second light-receiving optical fiber.
Claims (1)
一端を共通の投光素子２に、また上記第１の投光
用光フアイバー１１の他端を標準検出体７に、か
つ上記第２の投光用光フアイバー１２の他端を被
検出体８にそれぞれ光学的に対向させるとともに
、第１の受光用光フアイバー１３の一端を第１の
受光素子３に、またその他端を上記標準検出体７
にそれぞれ光学的に対向させ、さらに第２の受光
用光フアイバー１４の一端を第２の受光素子４に
、またその他端を上記被検出体８にそれぞれ光学
的に対向させ、上記第１の受光素子３および上記
第２の受光素子４の出力端を差動増幅器５を介し
て検出回路６に接続した光フアイバー形光電スイ
ツチ。 One end of the first and second light emitting optical fibers 11, 12 is connected to the common light emitting element 2, the other end of the first light emitting optical fiber 11 is connected to the standard detection body 7, and the second The other end of the light emitting optical fiber 12 is optically opposed to the detected object 8, and one end of the first light receiving optical fiber 13 is connected to the first light receiving element 3, and the other end is connected to the above standard detection device. body 7
Further, one end of the second light-receiving optical fiber 14 is optically opposed to the second light-receiving element 4, and the other end is optically opposed to the object to be detected 8. An optical fiber type photoelectric switch in which the output ends of the element 3 and the second light receiving element 4 are connected to a detection circuit 6 via a differential amplifier 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14974486U JPS6356540U (en) | 1986-09-30 | 1986-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14974486U JPS6356540U (en) | 1986-09-30 | 1986-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6356540U true JPS6356540U (en) | 1988-04-15 |
Family
ID=31065245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14974486U Pending JPS6356540U (en) | 1986-09-30 | 1986-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6356540U (en) |
-
1986
- 1986-09-30 JP JP14974486U patent/JPS6356540U/ja active Pending
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