JPS58139845U - power control circuit - Google Patents

power control circuit

Info

Publication number
JPS58139845U
JPS58139845U JP3504782U JP3504782U JPS58139845U JP S58139845 U JPS58139845 U JP S58139845U JP 3504782 U JP3504782 U JP 3504782U JP 3504782 U JP3504782 U JP 3504782U JP S58139845 U JPS58139845 U JP S58139845U
Authority
JP
Japan
Prior art keywords
circuit
output
voltage detection
control circuit
rectifier
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
JP3504782U
Other languages
Japanese (ja)
Inventor
治 関口
篠田　康利
真悟 大野
幸男 吉田
Original Assignee
株式会社共和電業
ボルテツク株式会社
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 株式会社共和電業, ボルテツク株式会社 filed Critical 株式会社共和電業
Priority to JP3504782U priority Critical patent/JPS58139845U/en
Publication of JPS58139845U publication Critical patent/JPS58139845U/en
Pending 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図は本考案の一実施例を示す回路図、第２図は本考
案の他の実施例を示す回路図、第３図は上記実施例の要
部の電圧波形図、第４図は本考案を説明するための特性
図である。 −１０・・・・・・交流電源、１１・・・・・・整流回
路、１２・・・・・・平滑回路、２０・・・・・・直流
電源、３０．３１・・・・・・電圧検出回路、３５．６
３・・・・・・ツェナーダイオード、３３・・・・・・
ホトカプラ、４０．４１・・・・・・半導体スイッチン
グ回路。 第１図 Ｉｓ ３０ 」Fig. 1 is a circuit diagram showing one embodiment of the invention, Fig. 2 is a circuit diagram showing another embodiment of the invention, Fig. 3 is a voltage waveform diagram of the main part of the above embodiment, and Fig. 4 is a circuit diagram showing another embodiment of the invention. FIG. 3 is a characteristic diagram for explaining the present invention. -10... AC power supply, 11... Rectifier circuit, 12... Smoothing circuit, 20... DC power supply, 30.31... Voltage detection circuit, 35.6
3... Zener diode, 33...
Photocoupler, 40.41...Semiconductor switching circuit. Figure 1 Is 30''

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　交流電源の出力を整流・平滑する整流・平滑
回路を設け、この整流・平滑回路の出力電圧が所定値以
上のときに出力する電圧検出回路を設け、この電圧検出
回路が出力しているときに前記整流・平滑回路の出力を
負荷に供給し、前記電圧検出回路が出力していないとき
に直流電源の出力を前記負荷に供給するように切換える
半導体スイッチング回路を設けたことを特徴とする電源
制御回路。(1) A rectifier/smoothing circuit is provided to rectify/smooth the output of the AC power source, and a voltage detection circuit is provided that outputs an output when the output voltage of the rectifier/smoothing circuit is equal to or higher than a predetermined value. A semiconductor switching circuit is provided for switching to supply the output of the rectifier/smoothing circuit to the load when the voltage detection circuit is not outputting, and to supply the output of the DC power supply to the load when the voltage detection circuit is not outputting. power control circuit. （２）前記電圧検出回路が、ツェナーダイオードと、１
ホトカプラとにより構成されていることを特徴とする実
用新案登録請求の範囲第（１）項記載の電源制御回路。(2) The voltage detection circuit includes a Zener diode and a
A power supply control circuit according to claim (1) of the utility model registration, characterized in that the circuit is constituted by a photocoupler.
JP3504782U 1982-03-15 1982-03-15 power control circuit Pending JPS58139845U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3504782U JPS58139845U (en) 1982-03-15 1982-03-15 power control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3504782U JPS58139845U (en) 1982-03-15 1982-03-15 power control circuit

Publications (1)

Publication Number Publication Date
JPS58139845U true JPS58139845U (en) 1983-09-20

Family

ID=30046529

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3504782U Pending JPS58139845U (en) 1982-03-15 1982-03-15 power control circuit

Country Status (1)

Country Link
JP (1) JPS58139845U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5156101A (en) * 1974-11-13 1976-05-17 Mitsubishi Electric Corp
JPS5157233A (en) * 1974-11-15 1976-05-19 Hitachi Ltd
JPS5616231B2 (en) * 1973-06-11 1981-04-15

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5616231B2 (en) * 1973-06-11 1981-04-15
JPS5156101A (en) * 1974-11-13 1976-05-17 Mitsubishi Electric Corp
JPS5157233A (en) * 1974-11-15 1976-05-19 Hitachi Ltd

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