JPS60119833U - Abnormal voltage protection circuit - Google Patents
Abnormal voltage protection circuitInfo
- Publication number
- JPS60119833U JPS60119833U JP535684U JP535684U JPS60119833U JP S60119833 U JPS60119833 U JP S60119833U JP 535684 U JP535684 U JP 535684U JP 535684 U JP535684 U JP 535684U JP S60119833 U JPS60119833 U JP S60119833U
- Authority
- JP
- Japan
- Prior art keywords
- connection point
- diode
- protection circuit
- abnormal voltage
- voltage protection
- 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
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
図面は、この考案の異常電圧保護回路の一実施例を示す
接続図である。
図面において、ＣＡは多対ケーブル、Ａｒｒはガスアレ
スタ、Ｄ１１〜Ｄ１４．Ｄ２１〜Ｄ２４゜Ｄｎ ｌ 〜
Ｄｎ ４、およびＤ５とＤ６はダイオードを示し、また
、ＬｌｌとＬ１２．Ｌ２１とＬ２１゜Ｌｎ ｌとＬｎ２
は、それぞれ１対の芯線を示す。
−一下−１−一「
−１５−↑−ネｉ−The drawing is a connection diagram showing one embodiment of the abnormal voltage protection circuit of this invention. In the drawings, CA is a multi-pair cable, Arr is a gas arrester, D11 to D14. D21～D24゜Dnl～
Dn 4, and D5 and D6 represent diodes, and Lll and L12 . L21 and L21゜Ln l and Ln2
each indicates a pair of core wires. -1-1-1 "-15-↑-Nei-
Claims (1)
接続点からみて同極性となるように直列接続された２個
のダイオードと、これらのダイオードと逆極性の関係で
前記芯線間に接続され、かつ第２の接続点からみて同極
性となるように直列接続された２個のダイオードと、こ
れらの各第１と第２の接続点の間に共通に接続された１
個のガスアレスタその他の過電圧保護素子と、前記第１
の接続点からみて前記ダイオードと同極性となるように
この第１の接続点にその一端が接続され、他端がアース
されたダイオードと、同じく前記第２の接続点からみて
前記ダイオードと同極性となるようにこの第２の接続点
にその一端が接続され、他端がアースされたダイオード
、とを備えたことを特徴とする異常電圧保護回路。Two diodes connected in series between each pair of core wires of a multi-pair cable and having the same polarity when viewed from the first connection point, and a wire having a polarity opposite to that of these diodes between the core wires. two diodes connected in series so as to have the same polarity when viewed from the second connection point, and one diode commonly connected between each of these first and second connection points.
gas arrester or other overvoltage protection element;
a diode whose one end is connected to the first connection point so that it has the same polarity as the diode when viewed from the connection point, and whose other end is grounded; An abnormal voltage protection circuit comprising: a diode having one end connected to the second connection point and the other end being grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP535684U JPS60119833U (en) | 1984-01-20 | 1984-01-20 | Abnormal voltage protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP535684U JPS60119833U (en) | 1984-01-20 | 1984-01-20 | Abnormal voltage protection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60119833U true JPS60119833U (en) | 1985-08-13 |
| JPH0419949Y2 JPH0419949Y2 (en) | 1992-05-07 |
Family
ID=30481787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP535684U Granted JPS60119833U (en) | 1984-01-20 | 1984-01-20 | Abnormal voltage protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60119833U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2034392A1 (en) * | 1970-07-10 | 1972-01-13 | Siemens Ag | Voltage limiter circuit for several outputs |
| JPS55117430A (en) * | 1979-03-02 | 1980-09-09 | Oki Electric Ind Co Ltd | Arrester circuit |
| JPS57193934A (en) * | 1981-05-25 | 1982-11-29 | Nippon Telegraph & Telephone | Lightning surge protecting circuit |
-
1984
- 1984-01-20 JP JP535684U patent/JPS60119833U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2034392A1 (en) * | 1970-07-10 | 1972-01-13 | Siemens Ag | Voltage limiter circuit for several outputs |
| JPS55117430A (en) * | 1979-03-02 | 1980-09-09 | Oki Electric Ind Co Ltd | Arrester circuit |
| JPS57193934A (en) * | 1981-05-25 | 1982-11-29 | Nippon Telegraph & Telephone | Lightning surge protecting circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0419949Y2 (en) | 1992-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60119833U (en) | Abnormal voltage protection circuit | |
| JPS60177641U (en) | Surge absorption device between communication line and power line | |
| JPS60114529U (en) | Generator surge protection device | |
| JPS63182420U (en) | ||
| JPS58152789U (en) | Lightning arrester case structure | |
| JPS6096942U (en) | Equipment protection device against abnormal voltage | |
| JPS6139900U (en) | electronic circuit equipment | |
| JPS6010240U (en) | pressure switch | |
| JPS6135538U (en) | Overvoltage protection circuit | |
| JPS61117544U (en) | ||
| JPS5910072U (en) | Resistor type insulator for voltage detection | |
| JPS6136575U (en) | Failure detection circuit for self-extinguishing semiconductor devices | |
| JPS5836409U (en) | constant voltage circuit | |
| JPS5934444U (en) | lightning protection circuit | |
| JPS59107539U (en) | Surge protection circuit | |
| JPS59149649U (en) | Semiconductor laser overcurrent protection circuit | |
| JPS58136934U (en) | Electronic circuit protection device | |
| JPS59107540U (en) | Surge protection circuit | |
| JPS59107541U (en) | Overvoltage protection circuit | |
| JPS5955262U (en) | Glow plug temperature detection resistor | |
| JPS59176107U (en) | Resistor with temperature fuse | |
| JPS6086089U (en) | thyristor valve | |
| JPS5978977U (en) | overcurrent detector | |
| JPS59107133U (en) | Electronic parts with discharge gap | |
| JPS6271420A (en) | Error firing preventing circuit for power control element |