JPH0159879U - - Google Patents
Info
- Publication number
- JPH0159879U JPH0159879U JP15434587U JP15434587U JPH0159879U JP H0159879 U JPH0159879 U JP H0159879U JP 15434587 U JP15434587 U JP 15434587U JP 15434587 U JP15434587 U JP 15434587U JP H0159879 U JPH0159879 U JP H0159879U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- voltage drop
- detection device
- utility
- constant
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
Landscapes
- Locating Faults (AREA)
Description
第１図は本考案に係る装置の一実施例の接続図
、第２図は第１図装置の動作を説明する為の図、
第３図は従来のこの種の装置の一例の接続図であ
る。
ＤＳ……探査装置、Ｌ……電話用電線路、Ｅｓ
……基準電圧源、ＩＧ……積分器、ｇ……事故点
、Ｇ……接地点、Ａ／Ｄ……アナログ・デイジタ
ル変換器、Ｐ……表示器。
Fig. 1 is a connection diagram of an embodiment of the device according to the present invention, Fig. 2 is a diagram for explaining the operation of the device shown in Fig. 1,
FIG. 3 is a connection diagram of an example of a conventional device of this type. DS...Exploration device, L...Telephone wire, Es
...Reference voltage source, IG...Integrator, g...Fault point, G...Grounding point, A/D...Analog-digital converter, P...Display device.
Claims (1)
用電線路に一定電圧を印加することにより生じる
事故点までの電圧降下と前記電話用電線路全体に
生じる電圧降下との比として求めるように構成し
たことを特徴とする電線路の事故探査装置。 (2) 前記一定電圧を積分器により積分したのち
一定となる電圧を用いたことを特徴とする実用新
案登録請求の範囲第(1)項記載の電線路の事故探
査装置。[Scope of Claim for Utility Model Registration] (1) The voltage drop caused by applying a constant voltage to the telephone line and the voltage drop across the telephone line as a whole. An electric line fault detection device characterized in that it is configured to calculate the voltage drop as a ratio of the voltage drop that occurs. (2) The electric line accident detection device according to claim (1) of the utility model registration, characterized in that a voltage that becomes constant after the constant voltage is integrated by an integrator is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987154345U JPH0611506Y2 (en) | 1987-10-08 | 1987-10-08 | Electric line accident detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987154345U JPH0611506Y2 (en) | 1987-10-08 | 1987-10-08 | Electric line accident detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0159879U true JPH0159879U (en) | 1989-04-14 |
| JPH0611506Y2 JPH0611506Y2 (en) | 1994-03-23 |
Family
ID=31430993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987154345U Expired - Lifetime JPH0611506Y2 (en) | 1987-10-08 | 1987-10-08 | Electric line accident detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611506Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223574U (en) * | 1975-08-05 | 1977-02-18 | ||
| JPS5267780A (en) * | 1975-12-04 | 1977-06-04 | Sankosha Co Ltd | Method of detecting damaged cable |
-
1987
- 1987-10-08 JP JP1987154345U patent/JPH0611506Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223574U (en) * | 1975-08-05 | 1977-02-18 | ||
| JPS5267780A (en) * | 1975-12-04 | 1977-06-04 | Sankosha Co Ltd | Method of detecting damaged cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611506Y2 (en) | 1994-03-23 |
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