JPS63101438U - - Google Patents

Info

Publication number
JPS63101438U
JPS63101438U JP19580186U JP19580186U JPS63101438U JP S63101438 U JPS63101438 U JP S63101438U JP 19580186 U JP19580186 U JP 19580186U JP 19580186 U JP19580186 U JP 19580186U JP S63101438 U JPS63101438 U JP S63101438U
Authority
JP
Japan
Prior art keywords
relay
switch
backflow prevention
activated
turned
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
JP19580186U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP19580186U priority Critical patent/JPS63101438U/ja
Publication of JPS63101438U publication Critical patent/JPS63101438U/ja
Pending legal-status Critical Current

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Landscapes

  • Relay Circuits (AREA)
  • Keying Circuit Devices (AREA)

Description

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

第1図はこの考案の一実施例によるリレー駆動
回路を示す回路図、第2図は従来のリレー駆動回
路を示す回路図、第3図はコンデンサの充電電圧
の時間に対する変化図、第4図は逆流防止用ダイ
オードのアノード電圧の時間に対する変化図であ
る。 1は励磁起動用電源、2は励磁保持用電源、4
は制御回路(CPU)、U1,U2はスイツチ(
フオトカプラ)、Dは逆流防止用ダイオード、R
yはリレー。
Fig. 1 is a circuit diagram showing a relay drive circuit according to an embodiment of this invention, Fig. 2 is a circuit diagram showing a conventional relay drive circuit, Fig. 3 is a diagram showing changes in capacitor charging voltage over time, Fig. 4 is a diagram of changes in anode voltage of a backflow prevention diode with respect to time. 1 is a power supply for excitation starting, 2 is a power supply for excitation holding, 4
is the control circuit (CPU), U1 and U2 are the switches (
photocoupler), D is a backflow prevention diode, R
y is a relay.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 逆流防止ダイオードを介して励磁保持用電源に
接続されたリレーと、前記リレーと直列接続され
た第1のスイツチと、前記逆流防止ダイオードの
前記リレー接続側と励磁起動用電源との間に接続
した第2のスイツチと、前記リレーの起動時には
前記第1、第2のスイツチを同時にONさせ起動
後には該第1のスイツチをONさせたまま該第2
のスイツチを定期的に、かつ、一時的にONさせ
る制御回路とを備えたリレー駆動回路。
A relay connected to an excitation holding power source via a backflow prevention diode, a first switch connected in series with the relay, and a first switch connected between the relay connection side of the backflow prevention diode and the excitation starting power source. When the second switch and the relay are activated, the first and second switches are turned on at the same time, and after the relay is activated, the first switch is left on and the second switch is turned on.
A relay drive circuit comprising a control circuit that periodically and temporarily turns on the switch.
JP19580186U 1986-12-22 1986-12-22 Pending JPS63101438U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19580186U JPS63101438U (en) 1986-12-22 1986-12-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19580186U JPS63101438U (en) 1986-12-22 1986-12-22

Publications (1)

Publication Number Publication Date
JPS63101438U true JPS63101438U (en) 1988-07-01

Family

ID=31154025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19580186U Pending JPS63101438U (en) 1986-12-22 1986-12-22

Country Status (1)

Country Link
JP (1) JPS63101438U (en)

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