The long-lost electric fan has returned to thousands of households this summer. How do you identify and choose the electric fan? Do you know?
At present, there are various types of ceiling fans, table fans, floor fans, luck fans, ceiling fans, wall fans and so on.
Consumer choices mainly focus on desktop and floor fans. These two types of electric fans are generally divided into two types: standard popular type and electronic luxury type. The former is characterized by simple structure, convenient operation and low price, and generally only has two functions of speed regulation and commutation; the latter is characterized by complex and changeable functions and luxurious and exquisite shapes.
A good electric fan has the following characteristics: the paint and plating are bright and smooth, without bubbles or scratches; there is no loosening of the screw pins; the pronunciation of the rotary shaft and the switch is crisp, the positioning is accurate, and the touch switch command is correct and reliable; When fan blades, the blades rotate smoothly and easily without touching any parts. When the blades stop, the blades gradually stop naturally; when pushing and pulling the blades in the axial direction, the sloshing amount does not exceed .5mm; the fan head depression angle should be 20 ° and 15 °, within this range, the fan head should be able to be balanced, and there is no welding phenomenon at the welding part; when energized, start at a low gear position at the swing head, the fan quickly reaches the normal speed, especially at low voltage at night, it can also start normally; When changing gears, the air volume changes significantly, and there is no obvious noise in each gear; when swinging the head, the fan below 300mm is not less than 60 °, and the fan above 300mm is not less than 80 °, and the head is not less than 4 times per minute , Rotating leaves no less than 5 times, after 30 minutes of work, there is no obvious hot feeling; if there are remote control, clock control, timing and other functions, it should be accurate.