JPH01100978U - - Google Patents
Info
- Publication number
- JPH01100978U JPH01100978U JP19600087U JP19600087U JPH01100978U JP H01100978 U JPH01100978 U JP H01100978U JP 19600087 U JP19600087 U JP 19600087U JP 19600087 U JP19600087 U JP 19600087U JP H01100978 U JPH01100978 U JP H01100978U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- power source
- series
- coil
- light emitting
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Magnetically Actuated Valves (AREA)
Description
第１図は本考案の実施例電磁弁駆動回路の電気
回路図、第２図は第１図に示す電磁コイルに流れ
るイ電圧波形及びロ電流波形を示すタイムチヤー
ト、第３図は第１図の部材ＴＣ１及びＴＣ２に流
れる電流波形をそれぞれ示すタイムチヤートであ
る。
１……交流電源、２，２′……スイツチ、３…
…電磁コイル、４……トリガ用ホトトライアツク
、５……発光ダイオード（発光素子）、６，６′
……制御電源、ａ……タイマ回路、ｃ……位相角
制御回路、ＴＣ１……トライアツク。
Fig. 1 is an electric circuit diagram of a solenoid valve drive circuit according to an embodiment of the present invention, Fig. 2 is a time chart showing voltage waveforms (a) and current waveforms (b) flowing through the electromagnetic coil shown in Fig. 1, and Fig. 3 is a diagram similar to that shown in Fig. 1. 2 is a time chart showing the waveforms of currents flowing through members TC 1 and TC 2 , respectively. 1... AC power supply, 2, 2'... switch, 3...
...Electromagnetic coil, 4...Trigger phototriax, 5...Light emitting diode (light emitting element), 6, 6'
...Control power supply, a...Timer circuit, c...Phase angle control circuit, TC1 ...Triack.
Claims (1)
る第１のスイツチと、前記コイルに直列に接続さ
れた位相角制御回路と、位相角制御回路に対して
並列にかつ前記コイルに直列に接続されかつトリ
ガ用ホトトライアツクにより開閉されるトライア
ツクと、前記交流電源とは別の制御電源にそれぞ
れ接続された、前記トリガ用ホトトライアツクを
照射可能な発光素子、発光素子と直列に接続され
たスイツチングトランジスタ、及びスイツチング
トランジスタのベース電流を遮断するタイマ回路
と、前記第１のスイツチと同期して前記制御電源
をＯＮ／ＯＦＦする第２のスイツチと、を含むこ
とを特徴とする電磁弁駆動回路。 A first switch that supplies power from an AC power source to a solenoid coil of an AC solenoid valve, a phase angle control circuit connected in series to the coil, and a first switch connected in parallel to the phase angle control circuit and in series to the coil. A triax that is opened and closed by a trigger phototriax, a light emitting element that can be irradiated with the trigger phototriax, which is connected to a control power source different from the AC power source, and a switching device that is connected in series with the light emitting element. A solenoid valve drive circuit comprising: a timer circuit that cuts off the base current of a transistor and a switching transistor; and a second switch that turns on/off the control power source in synchronization with the first switch. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19600087U JPH01100978U (en) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19600087U JPH01100978U (en) | 1987-12-25 | 1987-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01100978U true JPH01100978U (en) | 1989-07-06 |
Family
ID=31486644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19600087U Pending JPH01100978U (en) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01100978U (en) |
-
1987
- 1987-12-25 JP JP19600087U patent/JPH01100978U/ja active Pending