Electrical installation and ventilator fan

The invention relates to an electric appliance, which comprises upper cover, lower frame, and the electric element in the lower frame. Wherein, there is a safety switch between upper cover and lower frame; when the upper cover and lower frame are closed, said safety switch is opened, and the electri...

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Bibliographic Details
Main Author GUANXIAN,ZHAO LIANG
Format Patent
LanguageEnglish
Published 25.04.2007
Subjects
BASIC ELECTRIC ELEMENTS
BLASTING
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
HEATING
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
RELAYS
SELECTORS
WEAPONS
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Summary:The invention relates to an electric appliance, which comprises upper cover, lower frame, and the electric element in the lower frame. Wherein, there is a safety switch between upper cover and lower frame; when the upper cover and lower frame are closed, said safety switch is opened, and the electric element is power off. The invention also provides a relative exhaust fan, which can automatically cut off power when opened, to stop the electric element.
Bibliography:Application Number: CN20051114086