JPS5818314U - Solenoid coil drive circuit - Google Patents
Solenoid coil drive circuitInfo
- Publication number
- JPS5818314U JPS5818314U JP11328781U JP11328781U JPS5818314U JP S5818314 U JPS5818314 U JP S5818314U JP 11328781 U JP11328781 U JP 11328781U JP 11328781 U JP11328781 U JP 11328781U JP S5818314 U JPS5818314 U JP S5818314U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid coil
- voltage
- circuit
- output
- operational amplifier
- 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
- Electronic Switches (AREA)
- Relay Circuits (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図は本考案の実施例に係るソレノイドリレー駆動回
路の回路図、第２図は第１図の回路の各部における電圧
のタオムチャートである。
Ｑｏ・・・スイッチング用トランジスタ、Ｑ２および６
・・・定電流回路、Ｒ１およびＣ工・・・時定数回路、
Ｌｌ・・・ソレノイドコイル、３・・・演算増幅器、２
および５・・・論理回路、Ｒ２−Ｒ３・・・抵抗回路網
。FIG. 1 is a circuit diagram of a solenoid relay drive circuit according to an embodiment of the present invention, and FIG. 2 is a voltage chart at each part of the circuit of FIG. 1. Qo...Switching transistor, Q2 and 6
... constant current circuit, R1 and C ... time constant circuit,
Ll... Solenoid coil, 3... Operational amplifier, 2
and 5...logic circuit, R2-R3...resistance circuit network.
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
するスイッチング用トランジスタと、 前記エミッタ・コレクタ路に並列に設けられ、制御入力
に応答してスイッチされることにより前記ソレノイドコ
イルを通電させる定電流回路と、前記ソレノイドコイル
に流れる電流の変化を電圧として検出する時定数回路と
、 この時定数回路の検出電圧が反転入力として印加される
演算増幅器と、 この演算増幅器の出力電圧と外部より到来する矩形波制
御電圧との論理積出力を取出し前記スイッチング用トラ
ンジスタをオン・オフ動作させる第１の論理回路と、 前記矩形波制御電圧と前記演算増幅器の出力との論理積
出力を取出し前記定電流回路の制御入力とする第２の論
理回路と、 基準直流電圧を分圧を分圧して取出し、この分圧電圧と
前記演算増幅器の出力電圧との和の電圧を非反転入力と
して与える抵抗回路網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 solenoid coil is connected in series to the emitter-collector path, and a switching transistor is provided in parallel to the emitter-collector path to control on/off the energization of the solenoid coil. a constant current circuit that energizes the solenoid coil by being switched in response to an input, a time constant circuit that detects a change in the current flowing through the solenoid coil as a voltage, and a detected voltage of the time constant circuit as an inverting input. an applied operational amplifier; a first logic circuit that extracts an AND output of the output voltage of the operational amplifier and a rectangular wave control voltage arriving from the outside and turns on and off the switching transistor; and the rectangular wave control circuit. a second logic circuit that extracts an AND output of the voltage and the output of the operational amplifier and uses it as a control input of the constant current circuit; A solenoid coil drive circuit comprising: a resistor network that provides a voltage equal to the sum of the output voltage and the output voltage as a non-inverting input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11328781U JPS5818314U (en) | 1981-07-29 | 1981-07-29 | Solenoid coil drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11328781U JPS5818314U (en) | 1981-07-29 | 1981-07-29 | Solenoid coil drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5818314U true JPS5818314U (en) | 1983-02-04 |
Family
ID=29907592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11328781U Pending JPS5818314U (en) | 1981-07-29 | 1981-07-29 | Solenoid coil drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5818314U (en) |
-
1981
- 1981-07-29 JP JP11328781U patent/JPS5818314U/en active Pending
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