JPS5830783U - Electromagnetic pump drive device - Google Patents
Electromagnetic pump drive deviceInfo
- Publication number
- JPS5830783U JPS5830783U JP12439581U JP12439581U JPS5830783U JP S5830783 U JPS5830783 U JP S5830783U JP 12439581 U JP12439581 U JP 12439581U JP 12439581 U JP12439581 U JP 12439581U JP S5830783 U JPS5830783 U JP S5830783U
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic pump
- semiconductor element
- drive device
- drive current
- pump 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来における電磁ポンプの駆動装置の一例を示
す図、第２図は本考案の一実施例を示す回路図、第３図
はその動作を説明するための波形図、第４図は本考案の
他の実施例を示す回路図である。
ＳＯＰ・・・・・・電磁ポンプ、Ｑ□＋ Ｑ２＋ Ｑ３
＋ Ｑ４・・・・・・トランジスタ、Ｒ，、Ｒ２，Ｒ３
・・・・・・抵抗、ＶＲ・・・・・・可変抵抗器、Ｕ２
・・・・・・電圧比較器。Fig. 1 is a diagram showing an example of a conventional electromagnetic pump driving device, Fig. 2 is a circuit diagram showing an embodiment of the present invention, Fig. 3 is a waveform diagram for explaining its operation, and Fig. 4 is FIG. 3 is a circuit diagram showing another embodiment of the present invention. SOP・・・・・・Electromagnetic pump, Q□+ Q2+ Q3
+ Q4...Transistor, R,, R2, R3
...Resistance, VR...Variable resistor, U2
・・・・・・Voltage comparator.
Claims (1)
信号に応じた駆動電流を供給する半導体素子と、前記電
磁ポンプの駆動電流径路に直列接続され、電磁ポンプの
駆動電流に比例した電圧信号を出力する電流検出用抵抗
と、前記電圧信号が所定値に達したことを検出して前記
半導体素子に対する入力信号を遮断する制御回路とを具
備してなる電磁ポンプの駆動装置。A semiconductor element connected in series to the electromagnetic pump and supplying a drive current according to an input signal to the electromagnetic pump; and a semiconductor element connected in series to a drive current path of the electromagnetic pump and supplying a voltage signal proportional to the drive current of the electromagnetic pump. An electromagnetic pump driving device comprising: a current detection resistor that outputs; and a control circuit that detects that the voltage signal reaches a predetermined value and cuts off an input signal to the semiconductor element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12439581U JPS5830783U (en) | 1981-08-22 | 1981-08-22 | Electromagnetic pump drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12439581U JPS5830783U (en) | 1981-08-22 | 1981-08-22 | Electromagnetic pump drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5830783U true JPS5830783U (en) | 1983-02-28 |
Family
ID=29918261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12439581U Pending JPS5830783U (en) | 1981-08-22 | 1981-08-22 | Electromagnetic pump drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5830783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61162389U (en) * | 1985-03-28 | 1986-10-08 |
-
1981
- 1981-08-22 JP JP12439581U patent/JPS5830783U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61162389U (en) * | 1985-03-28 | 1986-10-08 |
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