JPS5872990U - phase control circuit - Google Patents
phase control circuitInfo
- Publication number
- JPS5872990U JPS5872990U JP16795381U JP16795381U JPS5872990U JP S5872990 U JPS5872990 U JP S5872990U JP 16795381 U JP16795381 U JP 16795381U JP 16795381 U JP16795381 U JP 16795381U JP S5872990 U JPS5872990 U JP S5872990U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- phase control
- circuit
- power supply
- comparator
- 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
Landscapes
- Control Of Electrical Variables (AREA)
- Power Conversion In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の位相制御回路の回路構成図、第２図は、
第１図の回路構成図の動作を説明するための波形図、第
３図は従来のゼロボルトスイッチ回路の回路構成図、第
４図は従来の改良されたゼロボルトスイッチ回路の回路
構成図、第５図は第４図の動作波形図、第６図は本考案
の一実施例の ′位相制御回路の回路構成図である。
１・・・・・・直流電源、２・・・・・・交流電源、３
・・・・・・トライアック、４・・・・・・負荷、５・
・・・・・比較器、・６・・・・・・零点検出リセット
回路、７・・・・・・基準電圧源、８・・・・・・増幅
器、９・・・・・・パルス形成器、１０・・・・・・急
速充電電圧源、１１・・・・・・抵抗、１２・・・・・
・コンデンサ、１３・・・・・・ノアゲート、１４・・
・・・・反転増幅器、１５゜１６・・・・・・抵抗、１
７・・・・・・交流電源極性検知器、１８・・・・・・
フリップフロップ回路。Figure 1 is a circuit diagram of a conventional phase control circuit, and Figure 2 is a circuit diagram of a conventional phase control circuit.
A waveform diagram for explaining the operation of the circuit diagram in Figure 1, Figure 3 is a circuit diagram of a conventional zero-volt switch circuit, Figure 4 is a circuit diagram of a conventional improved zero-volt switch circuit, and Figure 5 is a circuit diagram for explaining the operation of the circuit diagram in Figure 1. This figure is an operating waveform diagram of FIG. 4, and FIG. 6 is a circuit configuration diagram of a phase control circuit according to an embodiment of the present invention. 1...DC power supply, 2...AC power supply, 3
...Triac, 4...Load, 5.
... Comparator, 6 ... Zero point detection reset circuit, 7 ... Reference voltage source, 8 ... Amplifier, 9 ... Pulse formation 10... Rapid charging voltage source, 11... Resistor, 12...
・Capacitor, 13... Noah Gate, 14...
...Inverting amplifier, 15゜16...Resistance, 1
7... AC power supply polarity detector, 18...
flip-flop circuit.
Claims (1)
コンデンサの電圧と所定の電圧とを比較する比較器の出
力によりトリガされる整流素子を介して負荷へ電力を供
給する制御回路において、前記コンデンサの初期化を、
前記比較器の出力状′ 態を交流電源のあらか、しめ設
定された極性で記憶する回路と、交流電源の零電圧点付
近を検出する検出回路との双方の出力信号の状態に基づ
いて行なうことを特徴とする位相制御回路。In a control circuit that supplies power to a load via a rectifying element triggered by the output of a comparator that compares the voltage of a capacitor that is initialized near the zero voltage point of an AC power source and then charged with a predetermined voltage, Initializing the capacitor,
The output state of the comparator is determined based on the state of the output signals of both a circuit that stores the preset polarity of the AC power supply and a detection circuit that detects the vicinity of the zero voltage point of the AC power supply. A phase control circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16795381U JPS5872990U (en) | 1981-11-11 | 1981-11-11 | phase control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16795381U JPS5872990U (en) | 1981-11-11 | 1981-11-11 | phase control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5872990U true JPS5872990U (en) | 1983-05-17 |
Family
ID=29960006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16795381U Pending JPS5872990U (en) | 1981-11-11 | 1981-11-11 | phase control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5872990U (en) |
-
1981
- 1981-11-11 JP JP16795381U patent/JPS5872990U/en active Pending
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