JPS5818313U - Solenoid coil drive circuit - Google Patents
Solenoid coil drive circuitInfo
- Publication number
- JPS5818313U JPS5818313U JP11328681U JP11328681U JPS5818313U JP S5818313 U JPS5818313 U JP S5818313U JP 11328681 U JP11328681 U JP 11328681U JP 11328681 U JP11328681 U JP 11328681U JP S5818313 U JPS5818313 U JP S5818313U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid coil
- switching transistor
- drive circuit
- pulse voltage
- coil drive
- 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
Links
Landscapes
- Magnetically Actuated Valves (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本案の実施例に係るソレノイドコイル駆動回路
の回路図、第２図は第１図の回路の各部における電圧お
よび電流波形を示すタイムチャートである。
ＱｌおよびＱ２・・・第１および第２のスイッチング用
トランジスタ、Ｒ３・・・電流制限抵抗、２・・・単安
定マルチバイブレータ、３・・・論理回路。FIG. 1 is a circuit diagram of a solenoid coil drive circuit according to an embodiment of the present invention, and FIG. 2 is a time chart showing voltage and current waveforms at various parts of the circuit of FIG. Ql and Q2...first and second switching transistors, R3...current limiting resistor, 2...monostable multivibrator, 3...logic circuit.
Claims (1)
され、このソレノイドコイルへの通電をオン・オフ制御
する第１のスイッチング用トランジスタと、 エミッタ・コレクタ路が前記第１のトランジスタのエミ
ッタ・コレクタ路と並列に接続されかつ前記ソレノイド
コイルに直列に接続され、前記ソレノイドコイルへの通
電をオン・オフ制御する第２のスイッチング用トランジ
スタと、 この第２のスイッチング用トランジスタによる前記ソレ
ノイドコイルへの通電時にのみ前記ソレノイドコイルへ
の電流を所定値に制限すべく接続された電流制限抵抗と
、 到来する矩形波制御電圧の前縁に応答して前記第１のス
イッチング用トランジスタが通電を行う所定幅の第１の
パルス電圧を出力する単安定マルチバイブレータと、 前記矩形波制御電圧と前記第１のパルス電圧に応答し、
両者の差に相当する期間のパルス幅を持ち前記第１のパ
ルス電圧後に発生する第２のパルス電圧を前記第２のス
イッチング用トランジスタに通電を行わせるべく出力す
る論理回路とを備えたことを特徴とするソレノイドコイ
ル駆動回路。[Claims for Utility Model Registration] A first switching transistor connected to a solenoid coil in series with the emitter-collector path and controlling on/off energization of the solenoid coil; a second switching transistor connected in parallel with the emitter-collector path of the transistor and connected in series with the solenoid coil to control on/off energization of the solenoid coil; a current limiting resistor connected to limit the current to the solenoid coil to a predetermined value only when the solenoid coil is energized; and the first switching transistor is energized in response to the leading edge of the incoming square wave control voltage. a monostable multivibrator that outputs a first pulse voltage of a predetermined width to perform
and a logic circuit that outputs a second pulse voltage that is generated after the first pulse voltage and has a pulse width of a period corresponding to the difference between the two, in order to energize the second switching transistor. Features a solenoid coil drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11328681U JPS5818313U (en) | 1981-07-29 | 1981-07-29 | Solenoid coil drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11328681U JPS5818313U (en) | 1981-07-29 | 1981-07-29 | Solenoid coil drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5818313U true JPS5818313U (en) | 1983-02-04 |
Family
ID=29907591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11328681U Pending JPS5818313U (en) | 1981-07-29 | 1981-07-29 | Solenoid coil drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5818313U (en) |
-
1981
- 1981-07-29 JP JP11328681U patent/JPS5818313U/en active Pending
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