JPS60181648U - Optical fiber cable for leak detection - Google Patents
Optical fiber cable for leak detectionInfo
- Publication number
- JPS60181648U JPS60181648U JP5612284U JP5612284U JPS60181648U JP S60181648 U JPS60181648 U JP S60181648U JP 5612284 U JP5612284 U JP 5612284U JP 5612284 U JP5612284 U JP 5612284U JP S60181648 U JPS60181648 U JP S60181648U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- leakage
- spacer
- fiber cable
- utility
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る漏洩検知用光フアイバケーブルの
一実施例を示す円周方向の縦断面図、第２図は本考案ケ
ーブルの他の実施例を示す長手方向の縦断面図、第３図
は本考案ケーブルのさらに他の実施例を示す円周方向の
縦断面図である。
１：光ファイバ、２ニスペーサ、３：保護管、４：孔、
５：溝、６：スペーサ、７：スペーサ、７ａ：主スペー
サ部材、７ｂ＝副スペ一サ部材、８：溝。FIG. 1 is a longitudinal sectional view in the circumferential direction showing one embodiment of the optical fiber cable for leakage detection according to the present invention, and FIG. 2 is a longitudinal sectional view in the longitudinal direction showing another embodiment of the cable of the present invention. FIG. 3 is a longitudinal sectional view in the circumferential direction showing still another embodiment of the cable of the present invention. 1: Optical fiber, 2 spacer, 3: protection tube, 4: hole,
5: Groove, 6: Spacer, 7: Spacer, 7a: Main spacer member, 7b = Sub-spacer member, 8: Groove.
Claims (1)
送信号を変化させるスペーサを、上記光ファイバに付属
して設けたことを特徴とする漏洩検知用光フアイバケー
ブル。 ２ 実用新案登録請求の範囲第１項記載の考案において
、特定の漏洩物質とのみ反応するスペーサを１本の光フ
ァイバに複数種類付属して設けた漏洩検知用光フアイバ
ケーブル。 ３ 実用新案登録請求の範囲第１項記載の考案において
、光ファイバを複数本備え、上記複数本からなる各光フ
ァイバには、それぞれ異なった特定の漏洩物質とのみ反
応するスペーサを備えている漏洩検知用光フアイバケー
ブル。 ４ 実用新案登録請求の範囲第１項ないし第３項のいず
れかに記載の考案において、スペーサの形状変化によっ
て伝送信号が変化する光ファイバとスペーサの形状変化
に干渉されない光ファイバとを併設した漏洩検知用光フ
アイバケーブル。[Claims for Utility Model Registration] 1. An optical fiber for leakage detection, characterized in that the optical fiber is provided with a spacer that changes its shape when it comes into contact with a leaked substance and changes the transmission signal of the optical fiber. cable. 2. An optical fiber cable for leakage detection, in which a single optical fiber is provided with a plurality of types of spacers that react only with specific leakage substances, according to the invention set forth in claim 1 of the Utility Model Registration Claim. 3 In the device set forth in claim 1 of the utility model registration claim, a leakage system is provided with a plurality of optical fibers, and each of the plurality of optical fibers is provided with a spacer that reacts only with a different specific leakage substance. Optical fiber cable for detection. 4. In the device set forth in any one of claims 1 to 3 of the claims for utility model registration, a leakage device in which an optical fiber whose transmission signal changes due to a change in the shape of a spacer and an optical fiber that is not interfered with by the change in the shape of the spacer are installed together. Optical fiber cable for detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5612284U JPS60181648U (en) | 1984-04-16 | 1984-04-16 | Optical fiber cable for leak detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5612284U JPS60181648U (en) | 1984-04-16 | 1984-04-16 | Optical fiber cable for leak detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60181648U true JPS60181648U (en) | 1985-12-02 |
Family
ID=30579419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5612284U Pending JPS60181648U (en) | 1984-04-16 | 1984-04-16 | Optical fiber cable for leak detection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60181648U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57106838A (en) * | 1980-12-24 | 1982-07-02 | Fujitsu Ltd | Optical fiber for sensor |
| JPS58187829A (en) * | 1982-04-26 | 1983-11-02 | Nec Corp | Pipeline monitoring system |
-
1984
- 1984-04-16 JP JP5612284U patent/JPS60181648U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57106838A (en) * | 1980-12-24 | 1982-07-02 | Fujitsu Ltd | Optical fiber for sensor |
| JPS58187829A (en) * | 1982-04-26 | 1983-11-02 | Nec Corp | Pipeline monitoring system |
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