JPH0380943U - - Google Patents
Info
- Publication number
- JPH0380943U JPH0380943U JP14239489U JP14239489U JPH0380943U JP H0380943 U JPH0380943 U JP H0380943U JP 14239489 U JP14239489 U JP 14239489U JP 14239489 U JP14239489 U JP 14239489U JP H0380943 U JPH0380943 U JP H0380943U
- Authority
- JP
- Japan
- Prior art keywords
- light
- case
- photoelectric switch
- projecting element
- light source
- 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 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図は本考案の一実施例による光電スイツチ
の投光部を示す断面図、第２図は従来の測距式光
電スイツチの投光部を示す断面図、第３図は距離
式光電スイツチの光学系の全体構成を示す図であ
る。
３，１１……投光素子、１０……ケース、１３
……レンズ、１２，１４……スリツト。
Fig. 1 is a cross-sectional view showing the light emitting part of a photoelectric switch according to an embodiment of the present invention, Fig. 2 is a cross-sectional view showing the light emitting part of a conventional distance-measuring photoelectric switch, and Fig. 3 is a cross-sectional view showing the light emitting part of a conventional distance-measuring photoelectric switch. FIG. 2 is a diagram showing the overall configuration of an optical system. 3, 11...Light emitter, 10...Case, 13
...Lens, 12, 14...Slit.
Claims (1)
に基づいて物体までの距離を測定する光電スイツ
チであつて、 光電スイツチの投光部は、 投光用の光源を保持するケースと、 前記ケースの一方の端部の中央に保持された投
光素子と、 前記ケースの他端に保持され前記投光素子より
発生した光を平行光とするレンズと、 前記投光用ケース内に光軸に対称に形成され、
前記光源からの光のケース内で反射を遮蔽するス
リツトと、を有することを特徴とする光電スイツ
チ。[Scope of Claim for Utility Model Registration] A photoelectric switch that irradiates light onto a measurement area and measures the distance to an object based on the angle of the reflected light from the object; a case that holds a light source; a light projecting element held at the center of one end of the case; a lens held at the other end of the case that converts the light generated from the light projecting element into parallel light; It is formed symmetrically to the optical axis inside the projecting case,
A photoelectric switch comprising: a slit that blocks reflection of light from the light source within the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14239489U JPH0380943U (en) | 1989-12-08 | 1989-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14239489U JPH0380943U (en) | 1989-12-08 | 1989-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0380943U true JPH0380943U (en) | 1991-08-19 |
Family
ID=31689224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14239489U Pending JPH0380943U (en) | 1989-12-08 | 1989-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0380943U (en) |
-
1989
- 1989-12-08 JP JP14239489U patent/JPH0380943U/ja active Pending