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FA Motor Structure and Working Principle
DC Motor Hair Dryer
Uses a brushed DC motor, which relies on carbon brushes and a commutator to conduct current and drive the rotor. The physical friction of the carbon brushes causes wear and tear, requiring regular maintenance, and the speed is limited (typically 10,000 to 20,000 RPM)
AC Motor Hair Dryer
Uses a brushless AC motor that does not require carbon brushes and is driven by an electronic controller. It has extremely high rotational speeds (up to 100,000 RPM), no mechanical wear, and a longer lifespan.
performance difference
| Features | DC motor hair dryer | AC motor hair dryer |
|---|---|---|
| Wind speed | Low (relies on hot air drying) | Ultra-high wind speed (18-21 metres/second), quick hair drying |
| Temperature control | Few settings, rough temperature control | Multiple temperature settings + NTC real-time monitoring, prevents high temperature damage |
| Noise | Obvious carbon brush friction noise | Quieter operation |
| Weight and size | Bulky (complex motor structure) | Lightweight and portable |
| Hair care effects | High temperatures can damage hair cuticles, leading to dry and brittle hair | High-speed drying reduces heat damage, and negative ions prevent frizz |
Maintenance and Cost
DC motor: Carbon brushes need to be replaced when worn, resulting in high maintenance costs; the overall price is usually lower.
AC motor: Brushless design requires no maintenance; however, the complex technology results in a higher price.
Suitable Scenarios
DC hair dryer: Suitable for scenarios with limited budgets and light usage.
AC hair dryer: The preferred choice for those seeking fast drying, high hair care requirements, or professional styling.
AC motor hair dryers achieve a leap in speed (100,000 rpm) thanks to brushless motors, drying hair with high-speed airflow rather than high temperatures, greatly reducing heat damage. DC motors are limited by carbon brushes and have low speeds (10,000-20,000 rpm), relying on high temperatures that can damage hair, but they are more affordable. Those with high hair care needs should prioritise AC models.
Megavision is a professional supplier of small appliances. We can wholesale various types of small appliances, and hair dryers are one of the products we offer. We support customisation and can send samples. If you have wholesale needs, please contact us.
