JPS62160338U - - Google Patents
Info
- Publication number
- JPS62160338U JPS62160338U JP4941086U JP4941086U JPS62160338U JP S62160338 U JPS62160338 U JP S62160338U JP 4941086 U JP4941086 U JP 4941086U JP 4941086 U JP4941086 U JP 4941086U JP S62160338 U JPS62160338 U JP S62160338U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- liquid
- measuring device
- detection sensor
- level detection
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図はこの考案に係る液位検知センサーの使
用状態を示す概略図、第２図はこの考案の原理図
、第３図はＧＩ型光フアイバの屈折率分布を示す
図、第４図及び第５図はそれぞれ光フアイバの浸
漬長と光損失増加量との関係を示すグラフ、第６
図及び第７図はそれぞれ従来例を示す概略図であ
る。
１……光フアイバ、８……光損失量測定装置。
Fig. 1 is a schematic diagram showing the usage state of the liquid level detection sensor according to this invention, Fig. 2 is a diagram showing the principle of this invention, Fig. 3 is a diagram showing the refractive index distribution of the GI type optical fiber, Figs. Figures 5 and 6 are graphs showing the relationship between the immersion length of the optical fiber and the increase in optical loss, respectively.
7 and 7 are schematic diagrams showing conventional examples, respectively. 1... Optical fiber, 8... Optical loss measuring device.
Claims (1)
を直線状に支持し、この光フアイバに光損失量測
定装置を連結して成る液位検知センサー。 A liquid level detection sensor consisting of a GI type optical fiber supported in a straight line on a liquid-permeable protective cover, and an optical loss measuring device connected to the optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986049410U JPH041464Y2 (en) | 1986-03-31 | 1986-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986049410U JPH041464Y2 (en) | 1986-03-31 | 1986-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62160338U true JPS62160338U (en) | 1987-10-12 |
| JPH041464Y2 JPH041464Y2 (en) | 1992-01-20 |
Family
ID=30871835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986049410U Expired JPH041464Y2 (en) | 1986-03-31 | 1986-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041464Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51132858A (en) * | 1975-05-07 | 1976-11-18 | Teruie Fujiwara | Photoelectric type fluid level and fluid quality measuring device |
| JPS5454676A (en) * | 1977-10-11 | 1979-05-01 | Hitachi Ltd | Measuring apparatus of length of glass fiber liquid section |
-
1986
- 1986-03-31 JP JP1986049410U patent/JPH041464Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51132858A (en) * | 1975-05-07 | 1976-11-18 | Teruie Fujiwara | Photoelectric type fluid level and fluid quality measuring device |
| JPS5454676A (en) * | 1977-10-11 | 1979-05-01 | Hitachi Ltd | Measuring apparatus of length of glass fiber liquid section |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH041464Y2 (en) | 1992-01-20 |
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