JPS6296809U - - Google Patents
Info
- Publication number
- JPS6296809U JPS6296809U JP18732885U JP18732885U JPS6296809U JP S6296809 U JPS6296809 U JP S6296809U JP 18732885 U JP18732885 U JP 18732885U JP 18732885 U JP18732885 U JP 18732885U JP S6296809 U JPS6296809 U JP S6296809U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid
- transistor
- voltage
- current
- detection resistor
- 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Control Of Electrical Variables (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図はフイードバツク回路の抵抗のバランスにバラ
ツキがある場合とない場合の各部の特性を比較し
て示すタイムチヤート、第３図は従来例を示す回
路図、第４図はリニアソレノイドの電気―機械変
換特性図、第５図は同上ソレノイドの好適な駆動
電流波形図である。
ＶＢ…電源、Ｌ…リニアソレノイド、Ｑ２…ト
ランジスタ、ＲＳ…電流検出用抵抗、Ｆ…フイー
ドバツク回路、Ｔ０…トランジスタ駆動回路、Ｏ
ＳＣ…発振回路、Ｖ０…フイードバツク回路の出
力電圧、Ｖ１…ソレノイド端子電圧。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a time chart that compares the characteristics of each part with and without variations in the resistance balance of the feedback circuit, Figure 3 is a circuit diagram showing a conventional example, and Figure 4 is a linear solenoid electrical-mechanical conversion. The characteristic diagram, FIG. 5, is a suitable drive current waveform diagram of the same solenoid. VB...power supply, L...linear solenoid, Q2 ...transistor, RS...current detection resistor, F...feedback circuit, T0 ...transistor drive circuit, O
SC...Oscillation circuit, V0 ...Feedback circuit output voltage, V1 ...Solenoid terminal voltage.
Claims (1)
流を制御するトランジスタと、ソレノイドに流れ
る電流を検出する電流検出用抵抗とを直列に接続
し、電流検出用抵抗の端子電圧を増幅して出力す
るフイードバツク回路と、指令電圧に交流電圧を
重畳した入力電圧と前記フイードバツク回路から
出力されるフイードバツク電圧とを比較して、ソ
レノイドに入力電圧に対応する電流を供給するよ
うに前記トランジスタを駆動するトランジスタ駆
動回路とを備えてなるソレノイド駆動回路におい
て、前記電流検出用抵抗とソレノイドとの間にソ
レノイド駆動用のトランジスタを介在させたこと
を特徴とするソレノイド駆動回路。 A feedback circuit that connects a transistor that controls the drive current of the solenoid and a current detection resistor that detects the current flowing through the solenoid in series between the power supply and the solenoid, and amplifies and outputs the terminal voltage of the current detection resistor. and a transistor drive circuit that compares an input voltage obtained by superimposing an AC voltage on a command voltage with a feedback voltage output from the feedback circuit, and drives the transistor so as to supply a current corresponding to the input voltage to the solenoid. 1. A solenoid drive circuit comprising: a solenoid drive transistor interposed between the current detection resistor and the solenoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18732885U JPS6296809U (en) | 1985-12-06 | 1985-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18732885U JPS6296809U (en) | 1985-12-06 | 1985-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6296809U true JPS6296809U (en) | 1987-06-20 |
Family
ID=31137708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18732885U Pending JPS6296809U (en) | 1985-12-06 | 1985-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6296809U (en) |
-
1985
- 1985-12-06 JP JP18732885U patent/JPS6296809U/ja active Pending