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
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