JPS648636U - - Google Patents
Info
- Publication number
- JPS648636U JPS648636U JP10353087U JP10353087U JPS648636U JP S648636 U JPS648636 U JP S648636U JP 10353087 U JP10353087 U JP 10353087U JP 10353087 U JP10353087 U JP 10353087U JP S648636 U JPS648636 U JP S648636U
- Authority
- JP
- Japan
- Prior art keywords
- prism
- axial direction
- light receiving
- optical coupling
- receiving element
- 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
- 239000007788 liquid Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 description 1
Description
第１図は、この考案になる液面検知用光電セン
サの具体例を示すものであり、被検知液面に関連
した当該センサの設置状態の一部破断側面図、第
２図は、第１図における−線断面図、第３図
は、従来の液面検知用光電センサの一部破断側面
図である。
１……液面検知用光電センサ、４……本体ケー
シング、５……発光素子、６……受光素子、７…
…発光−受光素子組立体、８……パツキン部材、
９……プリズム反射面、Ｒ，Ｒ１……第１の反射
点、Ｒ，Ｒ２……第２の反射点、Ｌ，Ｃ……光結
合路、Ｆ，Ｌ……被検知液面。
Figure 1 shows a specific example of the photoelectric sensor for liquid level detection according to this invention, and Figure 2 is a partially cutaway side view of the installed state of the sensor in relation to the liquid level to be detected. 3 is a partially cutaway side view of a conventional photoelectric sensor for detecting liquid level. DESCRIPTION OF SYMBOLS 1... Photoelectric sensor for liquid level detection, 4... Main body casing, 5... Light emitting element, 6... Light receiving element, 7...
...Emission-light receiving element assembly, 8...Packing member,
9... Prism reflecting surface, R, R 1 ... First reflecting point, R, R 2 ... Second reflecting point, L, C... Optical coupling path, F, L... Sensing liquid surface.
Claims (1)
プリズム反射面にそれぞれ対面するように発光素
子および受光素子を配置し、前記プリズム反射面
を介して前記発光素子と受光素子との間に光結合
路を形成し、被検知液面に対して軸方向に沿つて
相対的に変位して前記プリズム反射面が空気中に
位置する時、前記光結合路を形成し、前記被検知
液面に没入した際、前記光結合路を開いて液面検
知信号を出力するようにした液面検知用光電セン
サにおいて、 前記光結合路が軸方向に交差する面に沿つて形
成されるように発光素子ならびに受光素子を配置
し、前記プリズム反射面を軸方向に沿つて軸側面
に設けたことを特徴とする液面検知用光電センサ
。[Claims for Utility Model Registration] A prism reflecting surface is provided on one end side in the axial direction, a light emitting element and a light receiving element are disposed so as to face each of the prism reflecting surfaces, and the light emitting element and the light receiving element are arranged through the prism reflecting surface. An optical coupling path is formed between the prism and the light receiving element, and the optical coupling path is formed when the reflective surface of the prism is located in the air by being displaced along the axial direction with respect to the liquid surface to be detected. , in a photoelectric sensor for liquid level detection, which opens the optical coupling path and outputs a liquid level detection signal when immersed in the liquid surface to be detected, wherein the optical coupling path is arranged along a surface that intersects in the axial direction. 1. A photoelectric sensor for liquid level detection, characterized in that a light emitting element and a light receiving element are arranged so as to be formed, and the prism reflecting surface is provided on a side surface of the shaft along the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10353087U JPS648636U (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10353087U JPS648636U (en) | 1987-07-06 | 1987-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648636U true JPS648636U (en) | 1989-01-18 |
Family
ID=31334447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10353087U Pending JPS648636U (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648636U (en) |
-
1987
- 1987-07-06 JP JP10353087U patent/JPS648636U/ja active Pending
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