JPS59191898U

JPS59191898U - AC motor control device

Info

Publication number: JPS59191898U
Application number: JP1983086430U
Authority: JP
Inventors: 川邊　重喜
Original assignee: 日本電気株式会社
Priority date: 1983-06-07
Filing date: 1983-06-07
Publication date: 1984-12-19

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図は本考案の一実施例の交流モータの制御装置を説
明する回路ブロック図、第２図は第１図に示した制御装
置の各部の動作を示す説明図である。南回において、１・・・・・・リレー回路、２・・・・・・交流モータ
、３・・・・・・抵抗、４・・・・・・増幅回路、５・
・・・・・ダイオード・ブリッジ、６・・・・・・平滑
用コンデンサ、８・・・・・・コンパレータ回路、９・
・・・・・ダイオード、１０・・・・・・インバータ回
路、１１・・・・・・モータ駆動スタートパルス、１２
・・・・・・フリップフロップ回路、１３・・・・・・
ナンド・ゲート（ゲート回路）、１４・・・・・・制御
信号、１５・・・・・・交流電源、１６・・・・・・負
荷電流、１７・・曲負荷電源電圧、１８・・・・・・平
滑電圧信号、１９・・・・・・クロック信号、２０・・
間モーメンタリースイッチ。FIG. 1 is a circuit block diagram illustrating a control device for an AC motor according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing the operation of each part of the control device shown in FIG. 1. In the southern circuit, 1... Relay circuit, 2... AC motor, 3... Resistor, 4... Amplifier circuit, 5...
... Diode bridge, 6 ... Smoothing capacitor, 8 ... Comparator circuit, 9.
...Diode, 10...Inverter circuit, 11...Motor drive start pulse, 12
...Flip-flop circuit, 13...
NAND gate (gate circuit), 14... Control signal, 15... AC power supply, 16... Load current, 17... Curved load power supply voltage, 18... ...Smoothed voltage signal, 19...Clock signal, 20...
momentary switch.

Claims

[Scope of utility model registration request]

The AC motor is characterized by comprising means for detecting a load current that changes between when the AC motor is in steady operation and when it is restricted, and means for controlling the rotation of the AC motor from the signal obtained by the means. AC motor control device.