JPS5870650U - relay control circuit - Google Patents

relay control circuit

Info

Publication number
JPS5870650U
JPS5870650U JP16551781U JP16551781U JPS5870650U JP S5870650 U JPS5870650 U JP S5870650U JP 16551781 U JP16551781 U JP 16551781U JP 16551781 U JP16551781 U JP 16551781U JP S5870650 U JPS5870650 U JP S5870650U
Authority
JP
Japan
Prior art keywords
control circuit
relay control
relay
power supply
utility
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
JP16551781U
Other languages
Japanese (ja)
Inventor
英行 赤尾
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to JP16551781U priority Critical patent/JPS5870650U/en
Publication of JPS5870650U publication Critical patent/JPS5870650U/en
Pending legal-status Critical Current

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

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

第１図は、本考案の実施例を示すリレー制御回路図、第
２図は、本考案の実施例を電子レンジに使用した場合の
リレー制御回路ブロック図、第３図は、本考案の実施例
の動作を示す波形図、第４図は、リレーのスイッチング
タイミング波形図である。 １・・・整流回路、２・・・電源トランス、３・・・リ
レー制御回路、４・・・リレーコイル、Ｑ１＋　Ｑ２・
・・ＮＰＮ　）ランジスタ、６・・・マイクロプロセッ
サ、Ａ、　Ｂ。 Ｃ・・・出力電圧。Figure 1 is a relay control circuit diagram showing an embodiment of the present invention, Figure 2 is a block diagram of a relay control circuit when the embodiment of the present invention is used in a microwave oven, and Figure 3 is an implementation of the present invention. FIG. 4 is a waveform diagram showing the operation of the example, and is a switching timing waveform diagram of the relay. 1... Rectifier circuit, 2... Power transformer, 3... Relay control circuit, 4... Relay coil, Q1+ Q2・
...NPN) transistor, 6...microprocessor, A, B. C...Output voltage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] リレーコイルに供給されるリレー駆動電源をリレー作動
中に自動的に低電圧に切換えるようになしたことを特徴
とするリレー制御回路。A relay control circuit characterized in that a relay drive power supply supplied to a relay coil is automatically switched to a low voltage during relay operation.
JP16551781U 1981-11-05 1981-11-05 relay control circuit Pending JPS5870650U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16551781U JPS5870650U (en) 1981-11-05 1981-11-05 relay control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16551781U JPS5870650U (en) 1981-11-05 1981-11-05 relay control circuit

Publications (1)

Publication Number Publication Date
JPS5870650U true JPS5870650U (en) 1983-05-13

Family

ID=29957710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16551781U Pending JPS5870650U (en) 1981-11-05 1981-11-05 relay control circuit

Country Status (1)

Country Link
JP (1) JPS5870650U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62239787A (en) * 1986-04-11 1987-10-20 Matsushita Electric Ind Co Ltd Key telephone system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62239787A (en) * 1986-04-11 1987-10-20 Matsushita Electric Ind Co Ltd Key telephone system

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