JPS5927476U - Cable fault section search device - Google Patents

Cable fault section search device

Info

Publication number
JPS5927476U
JPS5927476U JP1982123171U JP12317182U JPS5927476U JP S5927476 U JPS5927476 U JP S5927476U JP 1982123171 U JP1982123171 U JP 1982123171U JP 12317182 U JP12317182 U JP 12317182U JP S5927476 U JPS5927476 U JP S5927476U
Authority
JP
Japan
Prior art keywords
power supply
fault section
cable fault
search device
constant voltage
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
Application number
JP1982123171U
Other languages
Japanese (ja)
Other versions
JPH0217344Y2 (en
Inventor
憲二 小川
Original Assignee
日本電気株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP1982123171U priority Critical patent/JPS5927476U/en
Publication of JPS5927476U publication Critical patent/JPS5927476U/en
Application granted granted Critical
Publication of JPH0217344Y2 publication Critical patent/JPH0217344Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Locating Faults (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来から使用されているケーブル障害区間探索
方式の原理的結線図、第２図は本考案に係るケーブル障
害区間探索装置の一実施例を示す結線図である。 ＰＦＩ・・・直流定電流電源、ＰＦ２・・・直流定電圧
−源、ＭＥＴ・・・直流電流計、ｓｗ１〜５・・・スイ
ッチ、Ｄ・・・ダイオード、ＺＤ、ＺＤｌ〜ＺＤｎ・・
・定電圧ダイオード、ｒ・・・ケーブル心線抵抗、Ｒ−
障害探索折返用抵抗器、ＬＡ・・・中継器、１０１，１
０２・・・遠方給電線路接続端子、２０１・・・従来の
ケーブル障害区間探索装置、２０２・・・本考案に係る
ケーブル障害区間探索装置。 第１図FIG. 1 is a basic wiring diagram of a conventionally used cable fault section searching method, and FIG. 2 is a wiring diagram showing an embodiment of a cable fault section searching device according to the present invention. PFI...DC constant current power supply, PF2...DC constant voltage source, MET...DC ammeter, sw1~5...switch, D...diode, ZD, ZDl~ZDn...
・Voltage diode, r...Cable core resistance, R-
Fault search loopback resistor, LA...Repeater, 101,1
02... Distant feed line connection terminal, 201... Conventional cable fault section search device, 202... Cable fault section search device according to the present invention. Figure 1

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流定電圧電源を備えて成り、直流定電流電源による遠
方直列給電方式を採る通信伝送路に用いるケーブル障害
区間探索装置において、上記直流定電圧電源を、上記直
流定電流電源の出力に定電圧ダイオードをスイッチを介
して並列接続して構成して成ることを特徴とするケーブ
ル障害区間探索装置。In a cable fault section search device that is equipped with a DC constant voltage power supply and is used in a communication transmission line that adopts a long-distance series power supply method using the DC constant voltage power supply, the DC constant voltage power supply is connected to a constant voltage diode at the output of the DC constant current power supply. A cable fault section searching device comprising: connected in parallel via a switch.
JP1982123171U 1982-08-16 1982-08-16 Cable fault section search device Granted JPS5927476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982123171U JPS5927476U (en) 1982-08-16 1982-08-16 Cable fault section search device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982123171U JPS5927476U (en) 1982-08-16 1982-08-16 Cable fault section search device

Publications (2)

Publication Number Publication Date
JPS5927476U true JPS5927476U (en) 1984-02-20
JPH0217344Y2 JPH0217344Y2 (en) 1990-05-15

Family

ID=30281268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982123171U Granted JPS5927476U (en) 1982-08-16 1982-08-16 Cable fault section search device

Country Status (1)

Country Link
JP (1) JPS5927476U (en)

Also Published As

Publication number Publication date
JPH0217344Y2 (en) 1990-05-15

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