JPS58122105U - Control device for proportional control solenoid valve - Google Patents
Control device for proportional control solenoid valveInfo
- Publication number
- JPS58122105U JPS58122105U JP1607382U JP1607382U JPS58122105U JP S58122105 U JPS58122105 U JP S58122105U JP 1607382 U JP1607382 U JP 1607382U JP 1607382 U JP1607382 U JP 1607382U JP S58122105 U JPS58122105 U JP S58122105U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid valve
- proportional control
- control device
- control solenoid
- proportional
- 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
- Feedback Control In General (AREA)
- Flow Control (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図は従来の比例制御電磁弁の制御装置の一例を示す
回路図、第２図は本考案に係る比例制御電磁弁の制御装
置の一例を示す回路図、第３図は同上回路のある電流出
力時における各部の電圧波形を宗す図である。
１・・・制御用直流電源、２・・・出力電流設定信号、
３・・・入力抵抗、４・・・演算増幅器、６・・・電流
制御用トランジスタ、７・・・比例制御電磁弁コイル、
８・・・ダイオード、９・・・抵抗、１１・・・コンデ
ンサ、１８ −・・・抵抗。Fig. 1 is a circuit diagram showing an example of a control device for a conventional proportional control solenoid valve, Fig. 2 is a circuit diagram showing an example of a control device for a proportional control solenoid valve according to the present invention, and Fig. 3 is a circuit diagram showing an example of a control device for a proportional control solenoid valve according to the present invention. FIG. 4 is a diagram showing voltage waveforms of various parts during current output. 1... Control DC power supply, 2... Output current setting signal,
3... Input resistance, 4... Operational amplifier, 6... Current control transistor, 7... Proportional control solenoid valve coil,
8... Diode, 9... Resistor, 11... Capacitor, 18 -... Resistor.
Claims (1)
比例制御電磁弁を流れる電流に応じた電位を入力とする
演算増幅器の出力により制御する比例制御電磁弁の制御
装置において、前記演算増幅器の出力に応じてオンオフ
制御されこのオンオフにより前記出力電流設定信号に応
じた電位を選択的に下げるスイッチング素子を設けたこ
とを特徴とする比例制御電磁弁の制御装置。In a control device for a proportional control solenoid valve, the proportional control solenoid valve is controlled by the output of an operational amplifier that receives as input a potential according to an output current setting signal and a potential according to a current flowing through the proportional control solenoid valve, wherein the operational amplifier 1. A control device for a proportional control solenoid valve, characterized in that a switching element is provided which is controlled to be turned on and off according to the output of the switching element, and selectively lowers a potential according to the output current setting signal by turning on and off the switching element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1607382U JPS58122105U (en) | 1982-02-08 | 1982-02-08 | Control device for proportional control solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1607382U JPS58122105U (en) | 1982-02-08 | 1982-02-08 | Control device for proportional control solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58122105U true JPS58122105U (en) | 1983-08-19 |
Family
ID=30028454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1607382U Pending JPS58122105U (en) | 1982-02-08 | 1982-02-08 | Control device for proportional control solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58122105U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554626A (en) * | 1978-06-26 | 1980-01-14 | Aisin Seiki Co Ltd | Driving method of proportional controller |
| JPS5597601A (en) * | 1979-01-18 | 1980-07-25 | Nippon Denso Co Ltd | Driving circuit for electromagnetic valve |
-
1982
- 1982-02-08 JP JP1607382U patent/JPS58122105U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554626A (en) * | 1978-06-26 | 1980-01-14 | Aisin Seiki Co Ltd | Driving method of proportional controller |
| JPS5597601A (en) * | 1979-01-18 | 1980-07-25 | Nippon Denso Co Ltd | Driving circuit for electromagnetic valve |
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