JPS5895552U - Relay drive circuit - Google Patents
Relay drive circuitInfo
- Publication number
- JPS5895552U JPS5895552U JP19140081U JP19140081U JPS5895552U JP S5895552 U JPS5895552 U JP S5895552U JP 19140081 U JP19140081 U JP 19140081U JP 19140081 U JP19140081 U JP 19140081U JP S5895552 U JPS5895552 U JP S5895552U
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- relay drive
- relays
- excitation coils
- transistors
- 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
Landscapes
- Relay Circuits (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図および第２図は本考案のリレー駆動回路の一実施
例を示す構成図である。
ＣＨ□〜ＣＨ４・・・チャンネル入力、ＯＵＴ・・・ス
キャナ出力、ＲＬ□〜ＲＬ、・・・リレー、ＳＣ８・・
・スキャナ制御回路。 ゛FIGS. 1 and 2 are configuration diagrams showing one embodiment of the relay drive circuit of the present invention. CH□~CH4...Channel input, OUT...Scanner output, RL□~RL,...Relay, SC8...
・Scanner control circuit.゛
Claims (1)
ング用のトランジスタを接続してこれらのリレーを順次
駆動するリレー駆動回路において、前記複数個の励磁コ
イルと駆動電源との間に共通に接続された第１の抵抗と
、これら複数個の励磁コイルおよびトランジスタと並列
に接続されたコンデンサと、前記駆動電源と前記複数個
のトランジスタとの間にそれぞれ接続された複数個の第
２の抵抗とを具備し、前記複数個のリレーの駆動を前記
コンデンサの充放電時間に比べｔ充分長い周期で行なう
ようにしてなるリレー駆動回路。In a relay drive circuit that connects switching transistors in series to the excitation coils of a plurality of relays and sequentially drives these relays, a transistor commonly connected between the plurality of excitation coils and a drive power source is provided. A first resistor, a capacitor connected in parallel with the plurality of excitation coils and the transistors, and a plurality of second resistors respectively connected between the drive power source and the plurality of transistors. and a relay drive circuit configured to drive the plurality of relays at a cycle t sufficiently longer than the charging/discharging time of the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19140081U JPS5895552U (en) | 1981-12-22 | 1981-12-22 | Relay drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19140081U JPS5895552U (en) | 1981-12-22 | 1981-12-22 | Relay drive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5895552U true JPS5895552U (en) | 1983-06-29 |
| JPH0127549Y2 JPH0127549Y2 (en) | 1989-08-18 |
Family
ID=30104865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19140081U Granted JPS5895552U (en) | 1981-12-22 | 1981-12-22 | Relay drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5895552U (en) |
-
1981
- 1981-12-22 JP JP19140081U patent/JPS5895552U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0127549Y2 (en) | 1989-08-18 |
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