As the "heart" of the washing machine, the washer motor directly determines the energy efficiency, noise, stability and other aspects of the product.In order to pursue better product performance, the core component of the motor is developing in the direction of high performance, permanent magnetization, brushless, mechatronics, intelligence and combination. As the leader among DC inverter motors, it is getting more and more widely used.
In the situation of the overall decline in the size of the washing machine, frequency conversion is still a major growth driver. According to the data of Aowei Cloud Network, the scale of China's washing machine market in January-May 2016 was 12.4 million units, a slight decrease of 1.0% year-on-year, while the offline retail sales of inverter washing machines increased by 20.4%. At present, washing machine manufacturers are beginning to use more DC inverter washer motors to focus on DD (Direct Driver) washer motors and BLDC washer (Brushless Direct Current) motors.
Although the same DC inverter washer motor, DD motor and BLDC motor two technical routes have been controversial. Some companies believe that "BLDC motors are more advantageous than DD motors in terms of cost. BLDC motors may have more development prospects than DD motors." Some companies believe that "although BLDC motors have distinct advantages, they are based on long-term development trends, that is, low energy consumption. The motor is simplified, the failure rate is low, etc., and the development potential of DD motors is even greater."
Like the display industry's OLED technology and quantum dot dispute, washer motor is also facing the same confusion, DD motor is equivalent to OLED technology, BLDC is equivalent to quantum dot technology, the former is technological innovation, the latter is technological improvement.
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