JPS6032728U - Fault detection sensor - Google Patents

Fault detection sensor

Info

Publication number
JPS6032728U
JPS6032728U JP12378283U JP12378283U JPS6032728U JP S6032728 U JPS6032728 U JP S6032728U JP 12378283 U JP12378283 U JP 12378283U JP 12378283 U JP12378283 U JP 12378283U JP S6032728 U JPS6032728 U JP S6032728U
Authority
JP
Japan
Prior art keywords
detection sensor
fault detection
voltage
humidity sensitive
transistor
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
JP12378283U
Other languages
Japanese (ja)
Other versions
JPH0125451Y2 (en
Inventor
福田　昌夫
篤 上田
幸司 吉田
Original Assignee
アンリツ株式会社
日本電信電話株式会社
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 アンリツ株式会社, 日本電信電話株式会社 filed Critical アンリツ株式会社
Priority to JP12378283U priority Critical patent/JPS6032728U/en
Publication of JPS6032728U publication Critical patent/JPS6032728U/en
Application granted granted Critical
Publication of JPH0125451Y2 publication Critical patent/JPH0125451Y2/ja
Granted legal-status Critical Current

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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 the drawing]

第１図はこの考案の障害検出センサの一実施例を示す回
路図、第２図は湿度感応抵抗素子の構造図、第３図は湿
度感応抵抗素子の抵抗値−湿度の特性図、第４図はこの
考案の障害検出センサを通信ケーブルの浸水障害に使用
する場合の概電図である。 図中、Ｌｌ、　Ｌ、は往復線路、Ｄはダイオード、Ｔ２
は定電流用のトランジスタ、ｍは湿度感応抵抗素子、Ｄ
２１〜ＤＺ３は一ツェナーダイオードを示す。Fig. 1 is a circuit diagram showing one embodiment of the fault detection sensor of this invention, Fig. 2 is a structural diagram of a humidity sensitive resistance element, Fig. 3 is a resistance value-humidity characteristic diagram of the humidity sensitive resistance element, and Fig. 4 is a diagram showing the resistance value of the humidity sensitive resistance element. The figure is a schematic electrical diagram when the fault detection sensor of this invention is used for water damage in communication cables. In the figure, Ll, L are reciprocating lines, D is a diode, and T2
is a constant current transistor, m is a humidity sensitive resistance element, D
21 to DZ3 indicate one Zener diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 監視用の往復線路間に形成される定電圧回路と、該定電
圧回路の電圧を分圧している湿度感応抵抗素子と、゛該
湿度感応抵抗素子で分圧された電圧でオン・オフ制御さ
れるトランジスタと、該トランジスタによって駆動され
、一定の重みづけがなされている電流を前記往復線路に
流出するトランジスタとを備えたことを特徴とする障害
検出センサ。A constant voltage circuit is formed between the reciprocating lines for monitoring, a humidity sensitive resistive element divides the voltage of the constant voltage circuit, and the voltage is controlled on and off by the voltage divided by the humidity sensitive resistive element. A fault detection sensor comprising: a transistor which is driven by the transistor and which causes a constant weighted current to flow out to the reciprocating line.
JP12378283U 1983-08-11 1983-08-11 Fault detection sensor Granted JPS6032728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12378283U JPS6032728U (en) 1983-08-11 1983-08-11 Fault detection sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12378283U JPS6032728U (en) 1983-08-11 1983-08-11 Fault detection sensor

Publications (2)

Publication Number Publication Date
JPS6032728U true JPS6032728U (en) 1985-03-06
JPH0125451Y2 JPH0125451Y2 (en) 1989-07-31

Family

ID=30282428

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12378283U Granted JPS6032728U (en) 1983-08-11 1983-08-11 Fault detection sensor

Country Status (1)

Country Link
JP (1) JPS6032728U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06290951A (en) * 1991-12-27 1994-10-18 Avx Corp Highly accurate surface mounting type inductor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06290951A (en) * 1991-12-27 1994-10-18 Avx Corp Highly accurate surface mounting type inductor

Also Published As

Publication number Publication date
JPH0125451Y2 (en) 1989-07-31

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