JPS63155041U - - Google Patents
Info
- Publication number
- JPS63155041U JPS63155041U JP4673087U JP4673087U JPS63155041U JP S63155041 U JPS63155041 U JP S63155041U JP 4673087 U JP4673087 U JP 4673087U JP 4673087 U JP4673087 U JP 4673087U JP S63155041 U JPS63155041 U JP S63155041U
- Authority
- JP
- Japan
- Prior art keywords
- fluorinated
- semi
- corrosion sheath
- leakage detection
- oil leakage
- 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
- 238000005260 corrosion Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Examining Or Testing Airtightness (AREA)
Description
第１図イは本考案による漏油検知ケーブルの実
施例の縦断面図、第１図ロは本考案による漏油検
知ケーブルの他の実施例の縦断面図、第２図は漏
油検知ケーブルが油に浸漬されたときの湾曲部を
示す図、第３図は正常な光フアイバで観測される
パルス反射光強度の模式図、第４図は湾曲部があ
る光フアイバで観測されるパルス反射光強度の模
式図、第５図は漏油検知の基本構成の説明図であ
る。
１：光フアイバ、２：防食シース、２ａ：ふつ
素化された防食シースの半被包部分、２ｂ：非ふ
つ素化の防食シースの他の半被包部分。
Figure 1A is a longitudinal sectional view of an embodiment of the oil leakage detection cable according to the present invention, Figure 1B is a longitudinal sectional view of another embodiment of the oil leakage detection cable according to the invention, and Figure 2 is an oil leakage detection cable. Figure 3 is a schematic diagram of the intensity of pulsed reflected light observed in a normal optical fiber, and Figure 4 is a diagram showing the pulsed reflection observed in an optical fiber with a curved part. A schematic diagram of light intensity and FIG. 5 are explanatory diagrams of the basic configuration of oil leakage detection. 1: Optical fiber, 2: Anti-corrosion sheath, 2a: Half-enveloped portion of the fluorinated anti-corrosion sheath, 2b: Other half-enclosed portion of the non-fluorinated anti-corrosion sheath.
Claims (1)
光フアイバからなり、該防食シースが全長にわた
つてあるいは長さ方向に間隔をおいて中心軸に対
してふつ素化された半被包部分と非ふつ素化の他
の半被包部分とからなることを特徴とする漏油検
知ケーブル。 It consists of an optical fiber provided with an anti-corrosion sheath made of plastic, and the anti-corrosion sheath extends along its entire length or at intervals in the length direction with respect to the central axis, and includes a semi-enveloped part that is fluorinated and a non-fluorinated part. An oil leakage detection cable comprising: and another semi-encased part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4673087U JPS63155041U (en) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4673087U JPS63155041U (en) | 1987-03-31 | 1987-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63155041U true JPS63155041U (en) | 1988-10-12 |
Family
ID=30866662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4673087U Pending JPS63155041U (en) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63155041U (en) |
-
1987
- 1987-03-31 JP JP4673087U patent/JPS63155041U/ja active Pending