JPH01113193U

JPH01113193U -

Info

Publication number: JPH01113193U
Application number: JP826288U
Authority: JP
Priority date: 1988-01-26
Filing date: 1988-01-26
Publication date: 1989-07-31

Description

[Brief explanation of drawings]

第１図は本考案に係る扇風機の一実施例を示す
回路図、第２図は本考案に係る扇風機の別の実施
例を示す回路図、第３図は従来の扇風機の例を示
す回路図、第４図は従来の扇風機の別の例を示す
回路図である。１１…交流電源、１２…整流回路、１３…イン
バータ回路、１４…首振り用モータ、１５，２２
…回転速度変更手段、１６…フアンモータ、２０
，２３…制御手段、２１…インバータ回路。 Fig. 1 is a circuit diagram showing one embodiment of the electric fan according to the present invention, Fig. 2 is a circuit diagram showing another embodiment of the electric fan according to the present invention, and Fig. 3 is a circuit diagram showing an example of a conventional electric fan. , FIG. 4 is a circuit diagram showing another example of a conventional electric fan. 11... AC power supply, 12... Rectifier circuit, 13... Inverter circuit, 14... Oscillating motor, 15, 22
... Rotation speed changing means, 16... Fan motor, 20
, 23...control means, 21...inverter circuit.

Claims

[Claims for Utility Model Registration] 1. A fan motor operated by an AC power source,
A rotation speed changing means for changing the rotation speed of the fan motor, a rectifier circuit for converting AC power into DC, an inverter circuit for converting the DC output of the rectifier circuit into AC according to a pulse signal, and It has a swinging motor rotationally driven by an AC output, and a control means capable of variably controlling the frequency of the pulse signal input to the inverter circuit according to the speed setting by the rotation speed changing means. A fan. 2. The electric fan according to claim 1, wherein the fan motor is driven by an inverter circuit that changes the frequency of the AC output according to the speed setting by the rotational speed changing means.