JPS60103937U - AC switch circuit - Google Patents

AC switch circuit

Info

Publication number
JPS60103937U
JPS60103937U JP19575383U JP19575383U JPS60103937U JP S60103937 U JPS60103937 U JP S60103937U JP 19575383 U JP19575383 U JP 19575383U JP 19575383 U JP19575383 U JP 19575383U JP S60103937 U JPS60103937 U JP S60103937U
Authority
JP
Japan
Prior art keywords
thyristor
voltage
switch circuit
reverse blocking
divided 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
JP19575383U
Other languages
Japanese (ja)
Other versions
JPH0528821Y2 (en
Inventor
畔上　忠
Original Assignee
横河電機株式会社
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 横河電機株式会社 filed Critical 横河電機株式会社
Priority to JP19575383U priority Critical patent/JPS60103937U/en
Publication of JPS60103937U publication Critical patent/JPS60103937U/en
Application granted granted Critical
Publication of JPH0528821Y2 publication Critical patent/JPH0528821Y2/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 drawings]

第１図は従来の実施例を示す回路図、第２図は第１図の
実施例の各部の波形図、第３図は本考案の実施例を示す
回路図、第４図は第３図の実施例の各部の波形図である
。 Ｑｌ・・・双方向サイリスタ、Ｑ２・・・逆阻止サイリ
スタ、Ｑ３・・・フォトトランジスタ、ｑ、Ｑ５・・・
ゼロ検出トランジスタ、Ｌ・・・負荷、Ｐ・・・交流電
源、Ｓ・・・入力信号。FIG. 1 is a circuit diagram showing a conventional embodiment, FIG. 2 is a waveform diagram of each part of the embodiment in FIG. 1, FIG. 3 is a circuit diagram showing an embodiment of the present invention, and FIG. FIG. 3 is a waveform diagram of each part of the embodiment. Ql...bidirectional thyristor, Q2...reverse blocking thyristor, Q3...phototransistor, q, Q5...
Zero detection transistor, L...load, P...AC power supply, S...input signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 負荷に直列に接続される双方向サイリスタと前記双方向
サイリスクの両端の電圧に対応した電圧がアノード・カ
ソード間に与えられ前記双方向サイリスタのゲート電流
を制御する逆阻止サイリスタとを有する交流スイッチ回
路において、前記逆阻止サイリスタのアノード・カソー
ド間の電圧を分圧した分圧電圧が与えられ光信号により
前記分圧電圧を前記逆阻止サイリスタのゲートに与える
フォトトランジスタと、前記分圧電圧が所定値以上のと
きは前記光信号の有無にかかわらず前記フォトトランジ
スタをオフとし前記分圧電圧が前記所定値以下のときオ
フとなるゼロ検出回路とを具備したことを特徴とする交
流スイッチ回路。An AC switch circuit comprising a bidirectional thyristor connected in series to a load and a reverse blocking thyristor to which a voltage corresponding to the voltage across the bidirectional thyristor is applied between an anode and a cathode to control the gate current of the bidirectional thyristor. a phototransistor that is provided with a divided voltage obtained by dividing the voltage between the anode and cathode of the reverse blocking thyristor and applies the divided voltage to the gate of the reverse blocking thyristor by an optical signal; An alternating current switch circuit comprising: a zero detection circuit that turns off the phototransistor regardless of the presence or absence of the optical signal in such a case, and turns off when the divided voltage is equal to or less than the predetermined value.
JP19575383U 1983-12-20 1983-12-20 AC switch circuit Granted JPS60103937U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19575383U JPS60103937U (en) 1983-12-20 1983-12-20 AC switch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19575383U JPS60103937U (en) 1983-12-20 1983-12-20 AC switch circuit

Publications (2)

Publication Number Publication Date
JPS60103937U true JPS60103937U (en) 1985-07-16
JPH0528821Y2 JPH0528821Y2 (en) 1993-07-23

Family

ID=30420282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19575383U Granted JPS60103937U (en) 1983-12-20 1983-12-20 AC switch circuit

Country Status (1)

Country Link
JP (1) JPS60103937U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11567457B2 (en) 2014-09-02 2023-01-31 Apple Inc. Wearable electronic device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312055A (en) * 1976-07-19 1978-02-03 Omron Tateisi Electronics Co Solid switch
JPS5317259A (en) * 1976-07-31 1978-02-17 Matsushita Electric Works Ltd Contactless output relay
JPS5317260A (en) * 1976-07-31 1978-02-17 Matsushita Electric Works Ltd Contactless output relay
JPS53129842A (en) * 1977-04-19 1978-11-13 Fujitsu Ltd Contactless relay

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312055A (en) * 1976-07-19 1978-02-03 Omron Tateisi Electronics Co Solid switch
JPS5317259A (en) * 1976-07-31 1978-02-17 Matsushita Electric Works Ltd Contactless output relay
JPS5317260A (en) * 1976-07-31 1978-02-17 Matsushita Electric Works Ltd Contactless output relay
JPS53129842A (en) * 1977-04-19 1978-11-13 Fujitsu Ltd Contactless relay

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11567457B2 (en) 2014-09-02 2023-01-31 Apple Inc. Wearable electronic device

Also Published As

Publication number Publication date
JPH0528821Y2 (en) 1993-07-23

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