4 reliable tips to verify if your Dyson Supersonic hair dryer is real or fake
By Joe Horner 2019-08-30 14007 0
1.Mechanical structure: a digital motor is installed
The working principle of the hair dryer never changed since the day it was invented: evaporating moisture at high temperatures and taking it away with strong winds. The working principle does not change does not mean that the mechanical structure remains unchanged.
Dyson Supersonic installed a digital motor in the handle to drive the turbine blade to rotate at high speed, push the air into the main body of the hair dryer ring, and then spray it out of a narrow crack in the nozzle. The middle of the ring becomes low pressure, according to Bernoulli equation, the ring will inhale the rear and surrounding air and spray out from the direction of the nozzle.
Supersonic as long as the handle inhales a small amount of air, it can spray more than 10 times of air, the efficiency is very high, and simplify the hair dryer structure, the weight loss effect is very obvious.
The key to Supersonic's ability to blow based on the principle of a vaneless fan lies in the use of a digital motor. We should not be deceived by the word "digital". There is no motor working with 0 and 1 in the world. The full name of digital motor should be digital control motor. Digital control is the precise control of motor speed, and high speed is the most important.
2.The diameter of the handle is very small
The diameter of the Supersonic handle is very small, which limits the diameter of the turbine blade, but the 100000 rpm digital motor drives the small turbine blade to rotate rapidly, generating enough air volume, and it is difficult to produce the 100000/min digital motor. Is the key to preventing Supersonic from being copied.
3.Small fan blade diameter
The blade of Supersonic is very small at present, the mechanical structure of fake Supersonic hair dryer in the market is different from the original version, compared with the old hair dryer or even retrogression.
The traditional hair dryer is a pear type, the fan installation diameter is larger, the fan blade diameter is large, can achieve a larger wind direction at a lower speed. At work, the air is inhaled from the tail and ejected from the nozzle. Because the diameter of the nozzle is constantly shrinking, the air will be continuously squeezed and the wind pressure will be significantly increased.
However, the fake Supersonic model is cylindrical, the fan diameter can not be larger, in order to maintain the same air volume must increase the speed, increase the noise, there is no pear-shaped compressed air, the wind pressure will be significantly reduced. Official data from a copycat Supersonic show that the air volume is only 18L/s, which is much lower than the 40L/s measured by Dyson Supersonic.
4.Magnetic adsorption nozzle
Another attraction of the traditional hair dryer structure Dyson Supersonic is the use of magnetic adsorption nozzles, which is cooler and simpler to use, which only a few copycat Supersonic learn.
Dyson Supersonic is a popular product in the market, but it does not mean that it is a perfect product, such as a high-speed digital motor with a high noise value, even far more than a traditional hairdryer. But on the whole, it feels great to use it.
Before buying Dyson Supersonic, you should distinguish carefully and don't be greedy for small bargains.
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