JPH02102640U - - Google Patents
Info
- Publication number
- JPH02102640U JPH02102640U JP1087289U JP1087289U JPH02102640U JP H02102640 U JPH02102640 U JP H02102640U JP 1087289 U JP1087289 U JP 1087289U JP 1087289 U JP1087289 U JP 1087289U JP H02102640 U JPH02102640 U JP H02102640U
- Authority
- JP
- Japan
- Prior art keywords
- current
- relay
- resistor
- capacitor
- drive circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Relay Circuits (AREA)
Description
第１図は本考案の一実施例としてのリレー駆動
回路を示す回路図、第２図及び第３図は従来のリ
レー駆動回路を示す回路図である。
ＳＷ１，ＳＷ２，ＳＷ４……切換スイツチ、Ｓ
Ｗ３……リレースイツチ、１，４……励磁コイル
、２，５，７……抵抗、３……遅延回路、６……
コンデンサ。
FIG. 1 is a circuit diagram showing a relay drive circuit as an embodiment of the present invention, and FIGS. 2 and 3 are circuit diagrams showing conventional relay drive circuits. SW1, SW2, SW4...Selector switch, S
W3... Relay switch, 1, 4... Excitation coil, 2, 5, 7... Resistor, 3... Delay circuit, 6...
capacitor.
Claims (1)
リレーにおいて、該リレーの励磁コイルと直列に
、コンデンサと抵抗の並列接続体を接続すること
により、動作電流として前記コンデンサの充電電
流を利用し、保持電流として前記抵抗を流れる電
流を利用することを特徴とするリレー駆動回路。 (2) 請求項第１項において、前記充電電流は前
記保持電流よりも大きく設定されていることを特
徴とするリレー駆動回路。[Claims for Utility Model Registration] (1) In a relay that is used by switching between an operating current and a holding current, by connecting a parallel connection of a capacitor and a resistor in series with the excitation coil of the relay, the operating current can be changed. A relay drive circuit characterized in that a charging current of the capacitor is used and a current flowing through the resistor is used as a holding current. (2) The relay drive circuit according to claim 1, wherein the charging current is set to be larger than the holding current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1087289U JPH02102640U (en) | 1989-02-01 | 1989-02-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1087289U JPH02102640U (en) | 1989-02-01 | 1989-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02102640U true JPH02102640U (en) | 1990-08-15 |
Family
ID=31218918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1087289U Pending JPH02102640U (en) | 1989-02-01 | 1989-02-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02102640U (en) |
-
1989
- 1989-02-01 JP JP1087289U patent/JPH02102640U/ja active Pending