JPS6270456U - - Google Patents
Info
- Publication number
- JPS6270456U JPS6270456U JP1985163411U JP16341185U JPS6270456U JP S6270456 U JPS6270456 U JP S6270456U JP 1985163411 U JP1985163411 U JP 1985163411U JP 16341185 U JP16341185 U JP 16341185U JP S6270456 U JPS6270456 U JP S6270456U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting diode
- voltage
- circuit
- power supply
- 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 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
第１図は本考案の一実施例を示す回路構成図、
第２図は従来の回路例を示す構成図、第３図、第
４図はＭＯＳＦＥＴの特性を示す図である。
１……ＡＣ電源、２……トライアツク、３……
負荷、４……ＭＯＳＦＥＴ、５……トランジスタ
、６……零点検出回路、７……比較器、８……コ
ンデンサ、９……定電圧ダイオード、１０，１１
，１２……整流ダイオード、１３……ＬＥＤ（発
光ダイオード）、１４，１５，１６，１７……抵
抗器。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
FIG. 2 is a block diagram showing an example of a conventional circuit, and FIGS. 3 and 4 are diagrams showing characteristics of a MOSFET. 1... AC power supply, 2... Triack, 3...
Load, 4... MOSFET, 5... Transistor, 6... Zero point detection circuit, 7... Comparator, 8... Capacitor, 9... Constant voltage diode, 10, 11
, 12... Rectifier diode, 13... LED (light emitting diode), 14, 15, 16, 17... Resistor.
Claims (1)
通電状態を表示する発光ダイオードを有し、該発
光ダイオードをカツトオフ電圧が該発光ダイオー
ドの順電圧より大きいＭＯＳＦＥＴと並列接続し
て前記開閉手段の制御回路に供給される直流電圧
を発生する直流電源形成回路に直列接続し、前記
ＭＯＳＦＥＴのゲートを前記開閉手段の制御信号
により制御することを特徴とした発光ダイオード
駆動回路。 It has a light emitting diode that displays the energization state of a load connected to an AC power supply via a switching means, and the light emitting diode is connected in parallel with a MOSFET whose cut-off voltage is higher than the forward voltage of the light emitting diode to control the switching means. A light emitting diode drive circuit, characterized in that the light emitting diode drive circuit is connected in series with a DC power supply forming circuit that generates a DC voltage to be supplied to the circuit, and the gate of the MOSFET is controlled by a control signal of the opening/closing means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985163411U JPS6270456U (en) | 1985-10-23 | 1985-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985163411U JPS6270456U (en) | 1985-10-23 | 1985-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6270456U true JPS6270456U (en) | 1987-05-02 |
Family
ID=31091583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985163411U Pending JPS6270456U (en) | 1985-10-23 | 1985-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6270456U (en) |
-
1985
- 1985-10-23 JP JP1985163411U patent/JPS6270456U/ja active Pending
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