JPH01162676U - - Google Patents
Info
- Publication number
- JPH01162676U JPH01162676U JP5770488U JP5770488U JPH01162676U JP H01162676 U JPH01162676 U JP H01162676U JP 5770488 U JP5770488 U JP 5770488U JP 5770488 U JP5770488 U JP 5770488U JP H01162676 U JPH01162676 U JP H01162676U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- injecting
- arithmetic circuit
- detection means
- electrical line
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Locating Faults (AREA)
Description
図は本考案に係る装置の一実施例の接続図であ
る。 Ｂ……電池、ＲＳ……直列抵抗、ＨＴ，ＬＴ…
…端子、ＯＰ……演算回路、Ａ／Ｄ……アナログ
・デイジタル変換器、ＤＰ……表示器。
る。 Ｂ……電池、ＲＳ……直列抵抗、ＨＴ，ＬＴ…
…端子、ＯＰ……演算回路、Ａ／Ｄ……アナログ
・デイジタル変換器、ＤＰ……表示器。
Claims (1)
- 直流電圧源により被測定の電線路に電圧ｅ１を
注入する注入手段、前記電線路の事故点に応じて
生じる電圧降下ｅ２を検出する検出手段、この検
出手段によつて得た電圧ｅ２を前記注入電圧ｅ１
で除算する演算回路、この演算回路の出力をデイ
ジタル信号に変換した後表示する表示器よりなる
電線路の事故探査装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5770488U JPH01162676U (ja) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5770488U JPH01162676U (ja) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162676U true JPH01162676U (ja) | 1989-11-13 |
Family
ID=31283547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5770488U Pending JPH01162676U (ja) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162676U (ja) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5511229A (en) * | 1978-07-10 | 1980-01-26 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber cable and production and device thereof |
| JPS58162873A (ja) * | 1982-03-24 | 1983-09-27 | Furukawa Electric Co Ltd:The | 短絡型検知線の短絡位置検出方法 |
-
1988
- 1988-04-28 JP JP5770488U patent/JPH01162676U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5511229A (en) * | 1978-07-10 | 1980-01-26 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber cable and production and device thereof |
| JPS58162873A (ja) * | 1982-03-24 | 1983-09-27 | Furukawa Electric Co Ltd:The | 短絡型検知線の短絡位置検出方法 |