JPS5980950U - Relay contact protection circuit - Google Patents

Relay contact protection circuit

Info

Publication number
JPS5980950U
JPS5980950U JP17746382U JP17746382U JPS5980950U JP S5980950 U JPS5980950 U JP S5980950U JP 17746382 U JP17746382 U JP 17746382U JP 17746382 U JP17746382 U JP 17746382U JP S5980950 U JPS5980950 U JP S5980950U
Authority
JP
Japan
Prior art keywords
relay contact
protection circuit
terminal
contact protection
input
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.)
Pending
Application number
JP17746382U
Other languages
Japanese (ja)
Inventor
平井 正久
Original Assignee
株式会社アドバンテスト
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 株式会社アドバンテスト filed Critical 株式会社アドバンテスト
Priority to JP17746382U priority Critical patent/JPS5980950U/en
Publication of JPS5980950U publication Critical patent/JPS5980950U/en
Pending legal-status Critical Current

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  • Relay Circuits (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、第2図は従来のリレー接点保護回路を示す図、
第3図はこの考案によるリレー接点保護回路の一実施例
を示す図、第4図は保護回路を用いない場合、従来の保
護回路を用いた場合、この考案による保護回路を用いた
場合のリレー接点に流れる電流変化の比較を示す図、第
5図、第6図、第7図はこの考案の他の実施例を示す図
、第8図はこの考案で用(、、)る電界効界トランジス
タの特性を示す図である。 2:リレー接点、6:容量性負荷。
Figures 1 and 2 are diagrams showing conventional relay contact protection circuits,
Figure 3 is a diagram showing one embodiment of the relay contact protection circuit according to this invention, and Figure 4 is a diagram showing a relay without a protection circuit, when using a conventional protection circuit, and when using a protection circuit according to this invention. A diagram showing a comparison of changes in the current flowing through the contacts, Figures 5, 6, and 7 are diagrams showing other embodiments of this invention, and Figure 8 shows the electric field used in this invention. FIG. 3 is a diagram showing characteristics of a transistor. 2: Relay contact, 6: Capacitive load.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)  A  IJシレ一点に直列に接続された2個
の抵抗と、 B 上記リレー接点および2個の抵抗と並列に三端子半
導体の入出力端子が接続され、上記2個の抵抗の中間に
上記三端子半導体の制御端子が接続された構成である、 ことを特徴とするリレー接点保護回路。
(1) A: Two resistors connected in series to a single point of the IJ, B: An input/output terminal of a three-terminal semiconductor is connected in parallel to the relay contact and the two resistors, and the input/output terminal of the three-terminal semiconductor is connected between the two resistors. A relay contact protection circuit characterized in that it has a configuration in which the control terminals of the three-terminal semiconductor are connected.
(2)三端子半導体としてトランジスタを用い、入出力
端子がコレクタおよびエミッタ、制御端子がベースであ
る実用新案登録請求の範囲第1項記載のリレー接点保護
回路。
(2) The relay contact protection circuit according to claim 1, wherein a transistor is used as the three-terminal semiconductor, the input/output terminals are a collector and an emitter, and the control terminal is a base.
(3)三端子半導体として電界効果トランジスタを用い
、入出力端子がドレインおよびソース、制御端子がゲー
トである実用新案登録請求の範囲第1項記載のリレー接
点保護回路。
(3) The relay contact protection circuit according to claim 1, wherein a field effect transistor is used as the three-terminal semiconductor, the input/output terminals are a drain and a source, and the control terminal is a gate.
JP17746382U 1982-11-24 1982-11-24 Relay contact protection circuit Pending JPS5980950U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17746382U JPS5980950U (en) 1982-11-24 1982-11-24 Relay contact protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17746382U JPS5980950U (en) 1982-11-24 1982-11-24 Relay contact protection circuit

Publications (1)

Publication Number Publication Date
JPS5980950U true JPS5980950U (en) 1984-05-31

Family

ID=30385535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17746382U Pending JPS5980950U (en) 1982-11-24 1982-11-24 Relay contact protection circuit

Country Status (1)

Country Link
JP (1) JPS5980950U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010530119A (en) * 2007-06-15 2010-09-02 ゼネラル・エレクトリック・カンパニイ Microelectromechanical system based switching
JP2016171736A (en) * 2015-03-11 2016-09-23 エルエス産電株式会社Lsis Co., Ltd. Vehicle charging device and method for protecting internal circuit of device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938138A (en) * 1972-08-18 1974-04-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938138A (en) * 1972-08-18 1974-04-09

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010530119A (en) * 2007-06-15 2010-09-02 ゼネラル・エレクトリック・カンパニイ Microelectromechanical system based switching
US8358488B2 (en) 2007-06-15 2013-01-22 General Electric Company Micro-electromechanical system based switching
JP2016171736A (en) * 2015-03-11 2016-09-23 エルエス産電株式会社Lsis Co., Ltd. Vehicle charging device and method for protecting internal circuit of device

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