JPS63134425U - - Google Patents
Info
- Publication number
- JPS63134425U JPS63134425U JP2661587U JP2661587U JPS63134425U JP S63134425 U JPS63134425 U JP S63134425U JP 2661587 U JP2661587 U JP 2661587U JP 2661587 U JP2661587 U JP 2661587U JP S63134425 U JPS63134425 U JP S63134425U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light projecting
- lens
- projecting
- detection area
- 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 3
- 238000010586 diagram Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 3
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Electronic Switches (AREA)
Description
第１図は、本考案の一実施例に係る光学系の断
面図及び回路部のブロツク図、第２図は、同上の
各エリアを示す模式図、第３図は、同上の受光特
性図、第４図は、従来例に係る光学系の断面図及
び回路部のブロツク図、第５図、第６図は、レン
ズの特性を示す模式図、第７図は、従来例に係る
各エリアを示す模式図、第８図は、同上の受光特
性図である。
１′……光学系、２′……投光手段、３……受
光手段、４……駆動回路、５……判別制御回路、
２１……投光素子、２２……投光レンズ、２３′
……投光ホルダ、３１……受光素子、３２……受
光レンズ、３３……受光ホルダ。
FIG. 1 is a cross-sectional view of an optical system and a block diagram of a circuit section according to an embodiment of the present invention, FIG. 2 is a schematic diagram showing each area of the same, and FIG. 3 is a light receiving characteristic diagram of the same. Fig. 4 is a cross-sectional view of the optical system and a block diagram of the circuit section according to the conventional example, Figs. 5 and 6 are schematic diagrams showing the characteristics of the lens, and Fig. 7 shows each area according to the conventional example. The schematic diagram shown in FIG. 8 is a light receiving characteristic diagram of the same as above. 1'... Optical system, 2'... Light projecting means, 3... Light receiving means, 4... Drive circuit, 5... Discrimination control circuit,
21... Light projecting element, 22... Light projecting lens, 23'
... Light projecting holder, 31 ... Light receiving element, 32 ... Light receiving lens, 33 ... Light receiving holder.
Claims (1)
エリアに投光する投光手段と、前記投光手段の側
方に配設され前記検知エリア内の被検知物体によ
る反射光を受光レンズにより集光し、受光素子に
導く受光手段と、前記受光素子からの光の受光信
号量に応じて、前記被検知物体が前記検知エリア
内に存在するか否かを判別し、出力制御信号を出
す判別制御回路とを具備した反射型光電スイツチ
において、前記投光素子を投光レンズの焦点位置
より投光レンズ側に配設したことを特徴とする反
射型光電スイツチ。 A light projecting means for projecting light emitted from a light projecting element onto a detection area using a light projecting lens; and a light projecting means disposed on the side of the light projecting means to collect light reflected by a detected object in the detection area using a light receiving lens. and a light-receiving means for guiding the light to the light-receiving element, and a determination control that determines whether or not the object to be detected is present in the detection area according to the amount of light received from the light-receiving element, and outputs an output control signal. 1. A reflective photoelectric switch comprising a circuit, wherein the light projecting element is disposed closer to the light projecting lens than the focal point of the light projecting lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2661587U JPS63134425U (en) | 1987-02-24 | 1987-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2661587U JPS63134425U (en) | 1987-02-24 | 1987-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63134425U true JPS63134425U (en) | 1988-09-02 |
Family
ID=30827863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2661587U Pending JPS63134425U (en) | 1987-02-24 | 1987-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63134425U (en) |
-
1987
- 1987-02-24 JP JP2661587U patent/JPS63134425U/ja active Pending
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