JPS63152127U - - Google Patents
Info
- Publication number
- JPS63152127U JPS63152127U JP4446787U JP4446787U JPS63152127U JP S63152127 U JPS63152127 U JP S63152127U JP 4446787 U JP4446787 U JP 4446787U JP 4446787 U JP4446787 U JP 4446787U JP S63152127 U JPS63152127 U JP S63152127U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical system
- receiving element
- projecting
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
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要部概略構
成図、第２図は、同上のブロツク回路図、第３図
及び第４図は、同上に係る位置検出手段及び受光
スポツトを示す図、第５図は、本考案の他の実施
例にかかる位置検出手段を示す図、第６図は、従
来例の要部概略構成図、第７図は、同上のブロツ
ク回路図、第８図は、同上の動作説明図、第９図
は、他の従来例の動作説明図である。
１……投光手段、２……受光用光学系、４，８
……位置検出手段、５……判別制御手段、６……
出力回路、７，７′……反射板、８ａ，８ｂ……
受光素子、１２……投光用発光素子、１３……投
光用光学系、Ｐ……光ビーム、Ｒ，Ｒ′……反射
光、Ｓ……集光スポツト、Ｘ……被検知物体。
FIG. 1 is a schematic diagram of the main parts according to an embodiment of the present invention, FIG. 2 is a block circuit diagram of the same as the above, and FIGS. 3 and 4 show a position detecting means and a light receiving spot according to the above. 5 is a diagram showing a position detection means according to another embodiment of the present invention, FIG. 6 is a schematic diagram of the main part of the conventional example, FIG. 7 is a block circuit diagram of the same, and FIG. This figure is an explanatory diagram of the same operation as above, and FIG. 9 is an explanatory diagram of the operation of another conventional example. 1...Light projecting means, 2...Light receiving optical system, 4, 8
...Position detection means, 5...Discrimination control means, 6...
Output circuit, 7, 7'...Reflector, 8a, 8b...
Light receiving element, 12... Light emitting element for light projection, 13... Optical system for light projection, P... Light beam, R, R'... Reflected light, S... Focusing spot, X... Object to be detected.
Claims (1)
て光ビームに成形して検知エリアに投光する投光
手段と、前記投光手段の側方に所定距離をもつて
配設され被検知物体による前記光ビームの反射光
を集光する受光用光学系と、前記受光用光学系の
集光面に配設され前記被検知物体までの距離に応
じて前記集光面内で移動する集光スポツトの位置
に対応した位置信号を出力する２分割型受光素子
を用いた位置検出手段と、前記位置検出手段の出
力に基づいて前記被検知物体が所定の検知エリア
内に存在するかどうかを判別して出力回路を制御
する判別制御手段とを具備した反射型光電スイツ
チにおいて、前記２分割型受光素子の分割された
受光素子のうち前記投光用発光素子から遠い方の
受光素子の面積を近い方の受光素子の面積より大
きくしたことを特徴とする反射型光電スイツチ。 a light projecting means for shaping the light emitted from the light emitting element into a light beam by a light projecting optical system and projecting the light onto a detection area; a light-receiving optical system that collects reflected light of the light beam from a sensing object; and a light-receiving optical system that is disposed on a light-collecting surface of the light-receiving optical system and moves within the light-collecting surface according to the distance to the detected object. a position detection means using a two-part light receiving element that outputs a position signal corresponding to the position of a light condensing spot; and whether or not the detected object exists within a predetermined detection area based on the output of the position detection means. In the reflective photoelectric switch, the reflection type photoelectric switch is equipped with a discrimination control means for discriminating and controlling an output circuit, wherein the area of the light receiving element that is farther from the light emitting element for projecting among the divided light receiving elements of the two-segment type light receiving element; A reflective photoelectric switch characterized in that the area of the light-receiving element is larger than that of the nearby light-receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4446787U JPS63152127U (en) | 1987-03-26 | 1987-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4446787U JPS63152127U (en) | 1987-03-26 | 1987-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63152127U true JPS63152127U (en) | 1988-10-06 |
Family
ID=30862307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4446787U Pending JPS63152127U (en) | 1987-03-26 | 1987-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63152127U (en) |
-
1987
- 1987-03-26 JP JP4446787U patent/JPS63152127U/ja active Pending
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