JPS6295355U - - Google Patents

Info

Publication number
JPS6295355U
JPS6295355U JP18597685U JP18597685U JPS6295355U JP S6295355 U JPS6295355 U JP S6295355U JP 18597685 U JP18597685 U JP 18597685U JP 18597685 U JP18597685 U JP 18597685U JP S6295355 U JPS6295355 U JP S6295355U
Authority
JP
Japan
Prior art keywords
input
lightning arrester
transformer
output
circuit
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
JP18597685U
Other languages
Japanese (ja)
Other versions
JPH0412764Y2 (en
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 filed Critical
Priority to JP18597685U priority Critical patent/JPH0412764Y2/ja
Publication of JPS6295355U publication Critical patent/JPS6295355U/ja
Application granted granted Critical
Publication of JPH0412764Y2 publication Critical patent/JPH0412764Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Thermistors And Varistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Description

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

第１図は本考案の一実施例の構成を示す図、第
２図は本考案の他の実施例の構成を示す図、第３
図は従来例を示す図、第４図は第２図における第
１の避雷回路の変形例を示す図である。 １……入力変圧器、４……出力変圧器、５……
中継器、８……ツエナーダイオード、１９……ガ
スアレスタ、３２，３３……ガスアレスタ。 Figure 1 is a diagram showing the configuration of one embodiment of the present invention, Figure 2 is a diagram showing the configuration of another embodiment of the invention, and Figure 3 is a diagram showing the configuration of another embodiment of the invention.
The figure shows a conventional example, and FIG. 4 shows a modification of the first lightning arrester circuit in FIG. 2. 1...Input transformer, 4...Output transformer, 5...
Repeater, 8... Zener diode, 19... Gas arrester, 32, 33... Gas arrester.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 平衡回線を用いる伝送線路に接続された中継器
の入力側の上記伝送線路の入力端子および出力側
の上記伝送線路の出力端子にそれぞれ直列抵抗を
介して配設された入力変圧器および出力変圧器と
、上記入力端子間に接続されて過電圧をアースす
る第１の避雷回路と、上記入力変圧器の１次巻線
の両端子間に接続された第２の避雷回路と、上記
出力端子間に接続されて過電圧をアースする第３
の避雷回路と、上記出力変圧器の２次巻線の両端
子間に接続された第４の避雷回路と、上記入力変
圧器の１次巻線の中点と上記出力変圧器の２次巻
線の中点との間に接続された抵抗とダイオードと
の直列回路およびこの直列回路に並列に接続され
た過電圧保護素子とを具備してなる保安装置にお
いて、上記第１の避雷回路の中点と上記第３の避
雷回路の中点とを過電圧保護素子を介して互いに
接続してなることを特徴とする保安装置。 An input transformer and an output transformer are respectively arranged via series resistors at the input terminal of the transmission line on the input side and the output terminal of the transmission line on the output side of a repeater connected to a transmission line using a balanced line. and a first lightning arrester circuit connected between said input terminals to ground overvoltage, a second lightning arrester circuit connected between both terminals of the primary winding of said input transformer, and said output terminals. The third connected to earth the overvoltage.
a fourth lightning arrester circuit connected between both terminals of the secondary winding of the output transformer; and a fourth lightning arrester circuit connected between the midpoint of the primary winding of the input transformer and the secondary winding of the output transformer. In a safety device comprising a series circuit of a resistor and a diode connected between the midpoint of the line and an overvoltage protection element connected in parallel to the series circuit, the midpoint of the first lightning protection circuit and the middle point of the third lightning arrester circuit are connected to each other via an overvoltage protection element.
JP18597685U 1985-12-04 1985-12-04 Expired JPH0412764Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18597685U JPH0412764Y2 (en) 1985-12-04 1985-12-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18597685U JPH0412764Y2 (en) 1985-12-04 1985-12-04

Publications (2)

Publication Number Publication Date
JPS6295355U true JPS6295355U (en) 1987-06-18
JPH0412764Y2 JPH0412764Y2 (en) 1992-03-26

Family

ID=31135108

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18597685U Expired JPH0412764Y2 (en) 1985-12-04 1985-12-04

Country Status (1)

Country Link
JP (1) JPH0412764Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6424521A (en) * 1987-07-20 1989-01-26 Shoden Corp Protecting circuit for repeater
WO2003075483A1 (en) * 2002-03-04 2003-09-12 Mitsubishi Denki Kabushiki Kaisha Submarine repeating equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6424521A (en) * 1987-07-20 1989-01-26 Shoden Corp Protecting circuit for repeater
WO2003075483A1 (en) * 2002-03-04 2003-09-12 Mitsubishi Denki Kabushiki Kaisha Submarine repeating equipment

Also Published As

Publication number Publication date
JPH0412764Y2 (en) 1992-03-26

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