JPS612780U

JPS612780U - AC phase control device

Info

Publication number: JPS612780U
Application number: JP8673084U
Authority: JP
Inventors: 悟高見
Original assignee: 自動車機器技術研究組合
Priority date: 1984-06-13
Filing date: 1984-06-13
Publication date: 1986-01-09

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

[Brief explanation of drawings]

第１図は交流位相制御装置の従来例の構成図、第２図は
交流位相制御装置従来例の動作説明用線図、第３図Ａは
交流モータのデイジタル制御例の構成図、第３図Ｂは交
流モータのデイジタル制御の分解説明線図、第４図は本
案第１実施例の主要部の構成図、第５図は本案第１実施
例の動作説明用線図、第６図は本案第２害施例の主要部
の構成，図、第７図は他の実施例説明図である。１・・・・・・交流電源、３・・・・・・ブリッジダイ
オード、９・・・・・・零検出回路、１０・・・・・・
ノコギリ波発生回路、′１１・・・・・・第１の比較回
路、１３・・・・・・スイッチングトランジスタ、１４
・・・・・・パルストランス、１６・・・・・・交流制
御素子、２０・・・・・・位相制御装置、２３・・・・
・・交流モータ、３０・・・・・・パルス発生回路、３
１，３２，３３．３’５，３６．３７．３８．３９，
４０，４２，４３・・・・・・抵抗、３４・・・・
・・ワンジスタ、４１・・・・・・コンデンサ、４４・
・・・・・第１の演算増巾器、４５・・・・・・第２の
演算増巾器、４６・・・・・・ダイオード、４７．４８
・・・・・・抵抗、５３・・・・・・第２の比較回路。Fig. 1 is a block diagram of a conventional example of an AC phase control device, Fig. 2 is a diagram for explaining the operation of a conventional example of an AC phase control device, Fig. 3A is a block diagram of an example of digital control of an AC motor, Fig. 3 B is an exploded explanatory diagram of digital control of an AC motor, Fig. 4 is a configuration diagram of the main parts of the first embodiment of the present invention, Fig. 5 is a diagram for explaining the operation of the first embodiment of the present invention, and Fig. 6 is a diagram for explaining the operation of the first embodiment of the present invention. The structure and diagram of the main part of the second harmful embodiment, and FIG. 7 are explanatory diagrams of another embodiment. 1... AC power supply, 3... Bridge diode, 9... Zero detection circuit, 10...
Sawtooth wave generation circuit, '11...First comparison circuit, 13...Switching transistor, 14
...Pulse transformer, 16 ... AC control element, 20 ... Phase control device, 23 ...
...AC motor, 30...Pulse generation circuit, 3
1, 32, 33.3'5, 36.37.38.39,
40, 42, 43...Resistance, 34...
・・One resistor, 41・・・・Capacitor, 44・
...First operational amplifier, 45... Second operational amplifier, 46... Diode, 47.48
...Resistor, 53...Second comparison circuit.

Claims

[Claims for Utility Model Registration] 1. Means for full-wave rectification of an AC power source in an AC phase control device that controls the average value of AC voltage supplied to a load using a flow control element, and a means for full-wave rectification of an AC power supply, and a rectified pulsating wave A zero detection circuit that generates a synchronization signal synchronized with the zero point of the! A pulse generation circuit that generates a signal for a certain period of time using a signal from a detection circuit, a sawtooth wave generation circuit in synchronization with the pulse generation circuit, a comparison circuit that compares the sawtooth wave voltage with a reference voltage, and an output of the comparison circuit. An alternating current phase control device comprising: means for driving a trigger element of the above-mentioned cross-over control element, and the slope of the sawtooth wave is set steeply. 2 Utility Model Registration Scope of Claims Paragraph 1 A. An AC phase control device characterized by having means for limiting the maximum voltage of the sawtooth wave to a value slightly smaller than the maximum value of the reference voltage 5 Control equipment. 3 Utility Model Registration The AC phase control device according to claim 1, characterized in that it has means for stopping the generation of sawtooth waves.