How to buy electric fans，For novice users，Should buy any comfortable things，Or buy according to your own economic situation，This is an aspect，But I hope the electric fan quality is good.，Should choose equipment with specific knowledge。How to buy electric fans，This depends on its model and quality，Basic accessories This is related to the effect of use。Details are as follows：
How to choose a fan
1。 When you open the box, you will use it.，Certificates and manuals must be attached； The nameplate of the electric fan should have a manufacturer's nameplate.， Product model specifications， rated power Rated voltage， A wide range of power supplies And frequency policy。
2。 Check if the outer packaging of the electric fan is damaged； if so，Pray for returns or exchange。
3。 The appearance quality requires a beautiful shape， Lines and colors； Electroplating parts require smooth， Shiny Will not be yellow No rust， Peeling Watery。
4。 Require paint film to stabilize and lubrication，No bubble Scratch No paint film drop， Paint or turbidity of different colors。
5， Decorative parts are not damaged。The front and rear web cover should be closely fitted，No solder joints without a deformable network line do not loosen and not welded，The landing fan should be flexible。
6。 Electrical fan with special functions It is better，You can try to see how it works.; Maybe compare with other fans。
7。 View basic equipment
（1）Check if the fan head is shaking， The speed control and on-time switch consistent with the panel symbol； Switch devices include key types and touch types， Waiting for security and excellent flexibility，When opening and closing the power，Touch is excellent。
（2）Suppose it is a key switch，When the button，The phenomenon of two keys connect together should not appear。Each button is pressed and reset must be flexible。
8。 Time equipment requires precise maintenance，Rotate no paper jam or panel wear，Often open and normally closed positions should strictly control，Quality must pass。
9。 View main components
（1）Operation of knob and switch，Pronunciation must be loud and accurate， And positioning must be precise。Touch switch command is correct and reliable，Both need to have significant differences in each gear，Slow speed should be less than fast70％。
（2）Push the fan blade along the axial direction，Its shake very little look at the empty position of the motor center，Just need fan rotor scrolling and movement，Small space better。
（3）Watch，First remove the front grille of the fan，Catch the upper part of the fan blade center with hand，Take a few times。
10。 Fan blade view
（1）Gradually rolling fan blades with hands，The fan blade scrolls smoothly and easily，Can't touch any part，Continuous time The leaves gradually spread continuously。Observe the operation 易彤破壁机哪里可以维修 trajectory of the fan blade from the surrounding surface，Assume that there is no major error，then，The fan is relatively stable at high speed rotation.。The stability of the fan is also the key，When the most disadvantageous position of the fan is formed in plane10°Angle，The fan should not be overset。
（2）When purchasing electric fans，There is also a trial run，turn on，Check metal parts with test pen，Is there a leak?； When shaking your head, connect and reduce noise，No vacant is continuous，No obstacles or sudden convulsions，Or giggling，The head shalled angle should be greater than80-90degree。
After reading the full text，How to buy electric fans can be used as an understanding，Summary useful view，At last， Will be used to buy； If you are curious about how to buy electric fans，Can do in-depth research。If you don't want to consume energy，The above content is sufficient，Need to keep ink not to forget it。
