JPS6114799U

JPS6114799U - Fan air volume control device

Info

Publication number: JPS6114799U
Application number: JP9870584U
Authority: JP
Inventors: 仁渡辺
Original assignee: 株式会社ノーリツ
Priority date: 1984-06-29
Filing date: 1984-06-29
Publication date: 1986-01-28

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]

図面は本考案の一実施例を示すもめで、第１図はブロッ
ク回路図、第２“図は位相制御整流回路を示す電気回路
図、第３図は出力スイッチング回路を示す電気回路図、
第４図はリングカウンタの概略一、〜第５図はリング汐
ウンタの出力波形図、第６図はドライブトランスを示す
電気回路図、第７図はドライブトラン支の出力波形図、
第８図はモータの入力波形図である。３・・・電圧制姉発振回蹄、４・・・出力スイッチング
回路、５・・・波形合成出力段ドライブ回路、６・・・
ドライブトランス、８・・・モータ、９・・・リングカ
ウンタ、−７１・・・出力トランジスタ、７２・・・出
力トラン−ジスタ、７３・・・出力トラ冫ジスタ、７４
・・・出力トランジスタ。The drawings are a diagram showing an embodiment of the present invention, in which Fig. 1 is a block circuit diagram, Fig. 2 is an electric circuit diagram showing a phase control rectifier circuit, Fig. 3 is an electric circuit diagram showing an output switching circuit,
Fig. 4 is a schematic diagram of the ring counter, Fig. 5 is an output waveform diagram of the ring counter, Fig. 6 is an electric circuit diagram showing the drive transformer, Fig. 7 is an output waveform diagram of the drive transformer,
FIG. 8 is an input waveform diagram of the motor. 3... Voltage control oscillation circuit, 4... Output switching circuit, 5... Waveform synthesis output stage drive circuit, 6...
Drive transformer, 8... Motor, 9... Ring counter, -71... Output transistor, 72... Output transistor, 73... Output transistor, 74
...Output transistor.

Claims

[Scope of utility model registration request]

In a device that controls the rotation speed of a fan having a single-phase induction motor, there is a voltage-controlled oscillation circuit that outputs a frequency according to the rotation speed command input, and a switching output of an output transistor of an output switching circuit for driving the motor in response to the oscillation output. a phase control rectifier circuit that controls the peak value;
a ring counter that receives the oscillation output and outputs a composite waveform; a ring counter that receives the composite waveform and outputs the output transistor;
A six-fan air volume control device comprising a drive transformer that outputs the drive input of the waveform synthesis output stage drive circuit.