JPS62158513U - - Google Patents
Info
- Publication number
- JPS62158513U JPS62158513U JP4577586U JP4577586U JPS62158513U JP S62158513 U JPS62158513 U JP S62158513U JP 4577586 U JP4577586 U JP 4577586U JP 4577586 U JP4577586 U JP 4577586U JP S62158513 U JPS62158513 U JP S62158513U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid
- voltage
- circuit
- power supply
- driving
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Magnetically Actuated Valves (AREA)
- Control Of Voltage And Current In General (AREA)
- Electronic Switches (AREA)
Description
第１図は、本考案によるソレノイド駆動回路の
構成を示したブロツク図である。第２図は、本考
案によるソレノイド駆動回路の実施例を示した回
路図、第３図は、前記実施例回路の動作を説明す
るための波形図、第４図は、前記実施例回路に用
いられる素子の状態の推移を示した図である。第
５図は、従来のソレノイド駆動回路の一例を示し
た回路図である。
……スイツチング制御回路、……出力回路
、……電流検出回路、ＳＬ……ソレノイド、Ｃ
１，Ｃ２……コンパレータ、Ｑ１〜Ｑ３……トラ
ンジスタ、Ｒ１〜Ｒ９……抵抗、Ｄ……ダイオー
ド、ＺＤ……ツエナダイオード。
FIG. 1 is a block diagram showing the configuration of a solenoid drive circuit according to the present invention. FIG. 2 is a circuit diagram showing an embodiment of the solenoid drive circuit according to the present invention, FIG. 3 is a waveform diagram for explaining the operation of the embodiment circuit, and FIG. 4 is a waveform diagram used in the embodiment circuit. FIG. FIG. 5 is a circuit diagram showing an example of a conventional solenoid drive circuit. ...Switching control circuit, ...Output circuit, ...Current detection circuit, SL...Solenoid, C
1 , C2 ...Comparator, Q1 - Q3 ...Transistor, R1 - R9 ...Resistor, D...Diode, ZD...Zena diode.
Claims (1)
する電流検出回路と、前記電流検出回路の出力の
電圧にもとづいて、前記ソレノイドの通電状態の
うち、アーマチユアの吸引状態と保持状態のそれ
ぞれの状態に応じて異なる基準電圧を発生する基
準電圧発生回路と、前記基準電圧発生回路の出力
電圧に対し前記ソレノイド駆動用の電源の断続に
応じて異なる一定幅をもつた電圧と前記電流検出
回路の出力電圧を比較し、前記ソレノイド駆動用
の電源の断、続の切替えを行なうことにより、前
記ソレノイドの電流が一定の範囲になるようにス
イツチング信号を出力するスイツチング制御回路
と、前記スイツチング制御回路の出力に応じてソ
レノイド駆動用電源のスイツチングをする出力回
路とから構成したソレノイド駆動回路。 Based on the current detection circuit that converts the current flowing through the solenoid into voltage and detects it, and the output voltage of the current detection circuit, the voltage is determined depending on the energization state of the solenoid, the suction state and the holding state of the armature. a reference voltage generation circuit that generates different reference voltages; a voltage that has a constant width that differs depending on whether or not the power supply for driving the solenoid is connected to the output voltage of the reference voltage generation circuit; and an output voltage of the current detection circuit. A switching control circuit that outputs a switching signal so that the current of the solenoid is within a certain range by switching on and off the power supply for driving the solenoid; The solenoid drive circuit consists of an output circuit that switches the power supply for driving the solenoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4577586U JPS62158513U (en) | 1986-03-28 | 1986-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4577586U JPS62158513U (en) | 1986-03-28 | 1986-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62158513U true JPS62158513U (en) | 1987-10-08 |
Family
ID=30864818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4577586U Pending JPS62158513U (en) | 1986-03-28 | 1986-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62158513U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57203830A (en) * | 1981-06-10 | 1982-12-14 | Mitsubishi Electric Corp | Solenoid operated valve driving circuit for internal- combustion engine |
| JPS60187006A (en) * | 1984-01-31 | 1985-09-24 | ルーカス・インダストリーズ・パブリツク・リミテツド・カンパニー | Drive circuit |
-
1986
- 1986-03-28 JP JP4577586U patent/JPS62158513U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57203830A (en) * | 1981-06-10 | 1982-12-14 | Mitsubishi Electric Corp | Solenoid operated valve driving circuit for internal- combustion engine |
| JPS60187006A (en) * | 1984-01-31 | 1985-09-24 | ルーカス・インダストリーズ・パブリツク・リミテツド・カンパニー | Drive circuit |
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