6、ontrolthemotoroperationtochangethetemperatureatthesametime.ItiswidelyusedandpopularizebroughtconveniencetoPeople'sDailylives.Inthehotsummer, peopleuse coolingfan; intheindustrialproduction, isusedtoheat theelectricfan largemachinery. Withthecontinuousdevelopment ofthetechnology of
7、temperaturecontrol, temperaturecontrolledelectricfan emergeasthetimesrequire graduallyinto people'slives. Temperaturecontrolledelectricfan canbeadjustedautomatically stop and start thefan speed accordingtotheenvironmenttemperature, the use ofreallife, temperaturecontrolledfan noto