JPH0381572U - - Google Patents
Info
- Publication number
- JPH0381572U JPH0381572U JP14328689U JP14328689U JPH0381572U JP H0381572 U JPH0381572 U JP H0381572U JP 14328689 U JP14328689 U JP 14328689U JP 14328689 U JP14328689 U JP 14328689U JP H0381572 U JPH0381572 U JP H0381572U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- resistor
- line
- voltage
- voltage source
- 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 description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Locating Faults (AREA)
Description
第１図は本発明に係る電線路事故探査装置の一
構成例を示す図、第２図は従来例を示す図、第３
図は通信線の断面図である。
Ｅｓ……直流電圧源、Ｌ１，Ｌ２……線路端子
、Ｅ……接地端子、Ｂ……バツフア、ＦＬ……ロ
ーパスフイルタ、ＡＤ……ＡＤ変換器、Ｒｂ……
抵抗。
Fig. 1 is a diagram showing an example of the configuration of an electric line fault detection device according to the present invention, Fig. 2 is a diagram showing a conventional example, and Fig. 3 is a diagram showing a conventional example.
The figure is a cross-sectional view of a communication line. Es...DC voltage source, L1, L2...Line terminal, E...Ground terminal, B...Buffer, FL...Low pass filter, AD...AD converter, Rb...
resistance.
Claims (1)
Ｌ１，Ｌ２と、 アースに接続される接地端子Ｅと、 一端が装置の共通電位に接続されるとともに前
記一方の線路端子Ｌ２に接続され、他端が第１抵
抗Ｒｓを介して他方の線路端子Ｌ１に接続された
直流電圧源Ｅｓと、 第１抵抗に接続された直流電圧源の端子と、接
地端子の間に接続された第２抵抗Ｒｂと、 接地端子の電圧を導入する高入力インピーダン
スのバツフアと、 このバツフアの出力電圧に基づき事故発生地点
の位置に応じた信号を出力する手段ＦＬ，ＡＤと
、 を備えた電線路の事故探査装置。[Claims for Utility Model Registration] A pair of line terminals L1 and L2 to which the electric line to be inspected is connected, a grounding terminal E connected to earth, and one end connected to the common potential of the device and one of said one A DC voltage source Es connected to the line terminal L2 and whose other end is connected to the other line terminal L1 via the first resistor Rs, and between the terminal of the DC voltage source connected to the first resistor and the ground terminal. a second resistor Rb connected to the second resistor Rb, a high input impedance buffer that introduces the voltage of the ground terminal, and means FL, AD that outputs a signal according to the position of the accident point based on the output voltage of this buffer. Equipped with power line accident detection equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14328689U JPH0381572U (en) | 1989-12-12 | 1989-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14328689U JPH0381572U (en) | 1989-12-12 | 1989-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0381572U true JPH0381572U (en) | 1991-08-20 |
Family
ID=31690065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14328689U Pending JPH0381572U (en) | 1989-12-12 | 1989-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0381572U (en) |
-
1989
- 1989-12-12 JP JP14328689U patent/JPH0381572U/ja active Pending
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