JPH01161536U - - Google Patents
Info
- Publication number
- JPH01161536U JPH01161536U JP5893988U JP5893988U JPH01161536U JP H01161536 U JPH01161536 U JP H01161536U JP 5893988 U JP5893988 U JP 5893988U JP 5893988 U JP5893988 U JP 5893988U JP H01161536 U JPH01161536 U JP H01161536U
- Authority
- JP
- Japan
- Prior art keywords
- light
- emitting element
- light emitting
- circuit
- receiving element
- 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
- 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を示す回路図、第2
図は従来例を示す回路図である。
11……リレー、12……励磁コイル、14…
…交流電源、15A……第1の発光ダイオード(
第1の発光素子)、16……第1のホトトライア
ツク(第1の受光素子)、17A……第2の発光
ダイオード(第2の発光素子)、18……第2の
ホトトライアツク(第2の受光素子)19……抵
抗、20……トランジスタ(スイツチング素子)
、26……時定数回路。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a conventional example. 11... Relay, 12... Excitation coil, 14...
...AC power supply, 15A...First light emitting diode (
16... first phototriax (first light receiving element), 17A... second light emitting diode (second light emitting element), 18... second phototriax ( 2nd light receiving element) 19...Resistor, 20...Transistor (switching element)
, 26...time constant circuit.
Claims (1)
ング素子と時定数回路と第1の発光素子との直列
回路を電源に接続し、前記時定数回路と第1の発
光素子に第2の発光素子を並列に接続し、前記第
1の発光素子により導通する第1の受光素子と前
記リレーの励磁コイルを電源に直列に接続し、前
記第2の発光素子により導通する第2の受光素子
と抵抗との直列回路を前記第1の受光素子に並列
接続したことを特徴とするリレー駆動回路。 A series circuit of a switching element, a time constant circuit, and a first light emitting element that is turned on by a relay drive signal is connected to a power source, and a second light emitting element is connected in parallel to the time constant circuit and the first light emitting element. a first light-receiving element connected to the resistor, a first light-receiving element electrically connected by the first light-emitting element, and an excitation coil of the relay connected in series to a power supply; A relay drive circuit characterized in that a series circuit is connected in parallel to the first light receiving element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5893988U JPH01161536U (en) | 1988-04-30 | 1988-04-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5893988U JPH01161536U (en) | 1988-04-30 | 1988-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01161536U true JPH01161536U (en) | 1989-11-09 |
Family
ID=31284732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5893988U Pending JPH01161536U (en) | 1988-04-30 | 1988-04-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01161536U (en) |
-
1988
- 1988-04-30 JP JP5893988U patent/JPH01161536U/ja active Pending