JPS61107134U - - Google Patents
Info
- Publication number
- JPS61107134U JPS61107134U JP19321084U JP19321084U JPS61107134U JP S61107134 U JPS61107134 U JP S61107134U JP 19321084 U JP19321084 U JP 19321084U JP 19321084 U JP19321084 U JP 19321084U JP S61107134 U JPS61107134 U JP S61107134U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- resistor
- transistor
- emitter
- relay
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Relay Circuits (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は他の実施例を示す回路図、第３図は従来例を
示す回路図、第４図は同上の動作を示す波形図、
第５図は従来例の問題点を示す解説図である。
Ｑ３…リレー駆動用トランジスタ、ＲＬ…リレ
ーコイル、Ｒ８…帰還抵抗、Ａ…電圧比較器、Ｄ
１，Ｄ２…ダイオード、Ｒ１，Ｒ２，〜，Ｒ９…
抵抗、Ｃ１，Ｃ２…コンデンサ、Ｑ１，Ｑ２，〜
，Ｑ５…トランジスタ。
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 circuit diagram showing another embodiment, FIG. 3 is a circuit diagram showing a conventional example, and FIG. 4 is a waveform diagram showing the same operation as above.
FIG. 5 is an explanatory diagram showing the problems of the conventional example. Q3... Relay drive transistor, RL... Relay coil, R8... Feedback resistor, A... Voltage comparator, D
1, D2...diode, R1, R2, ~, R9...
Resistor, C1, C2...Capacitor, Q1, Q2, ~
, Q5...transistor.
Claims (1)
コイルを、エミツタに帰還抵抗をそれぞれ接続し
、出力電圧とプラス側入力電圧との間にヒステリ
シス電圧を設けた電圧比較器の出力端を抵抗を介
して上記トランジスタのベースに接続すると共に
、該トランジスタのエミツタまたはベースの電圧
をダイオードを介して上記電圧比較器のマイナス
側入力端に印加し、該マイナス側入力端とアース
との間に抵抗とコンデンサとの並列回路を接続し
て成るリレー駆動回路。 A relay coil is connected to the collector of the relay driving transistor, a feedback resistor is connected to the emitter, and the output terminal of a voltage comparator with a hysteresis voltage provided between the output voltage and the positive input voltage is connected to the transistor through the resistor. At the same time, the emitter or base voltage of the transistor is applied to the negative input terminal of the voltage comparator through a diode, and a parallel circuit of a resistor and a capacitor is connected between the negative input terminal and ground. A relay drive circuit consisting of connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19321084U JPH0355232Y2 (en) | 1984-12-19 | 1984-12-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19321084U JPH0355232Y2 (en) | 1984-12-19 | 1984-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61107134U true JPS61107134U (en) | 1986-07-07 |
| JPH0355232Y2 JPH0355232Y2 (en) | 1991-12-09 |
Family
ID=30750630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19321084U Expired JPH0355232Y2 (en) | 1984-12-19 | 1984-12-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355232Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05102821A (en) * | 1991-10-09 | 1993-04-23 | Yamatake Honeywell Co Ltd | Current output circuit |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006016400A1 (en) * | 2004-08-10 | 2006-02-16 | Mitsubishi Denki Kabushiki Kaisha | Drive circuit of dc voltage driven magnet contactor and power converter |
-
1984
- 1984-12-19 JP JP19321084U patent/JPH0355232Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05102821A (en) * | 1991-10-09 | 1993-04-23 | Yamatake Honeywell Co Ltd | Current output circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355232Y2 (en) | 1991-12-09 |
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