Home appliance industry has entered the frequency conversion era

Soaring! This is the last three years, China's home appliance industry left behind. In 2011, the home appliance industry made breakthroughs in the areas of output, sales, and exports in response to the policy of home appliances to the countryside and home appliances replacement, reaching a new historical high. In spite of this, however, this has been a tough end. In October 2011, domestic sales of white goods all fell sharply. Refrigerator sales fell by 9.64% compared with the same period of last year, and washing machines fell by 8.17%. The same is true of the small home appliance industry, and the days of supply chain enterprises in the upper reaches of the home appliance industry have not been good. All these reflect the end of the growth model of winning scale and pursuing speed, and the transformation of the home appliance industry is in full swing.

Upgrading the product structure helps to cope with the "winter", variable frequency technology or breakthrough. Speaking of frequency conversion, many people think of Prime Minister is inverter air conditioner. This can be understood, because the inverter air conditioner appears a long time, the technology is relatively mature, but if you can sample the appliance is limited to inverter air conditioner, OUT, in the current home appliance market, the frequency conversion word can be described as hot , Major home appliances manufacturers are trying to implant frequency conversion technology into their products. From such large parts as inverter air conditioners, inverter refrigerators, and frequency conversion washing machines, to the frequency conversion microwave ovens, frequency conversion water heaters, and frequency conversion range hoods, each one is marked with the “inverter” brand. "Variable frequency" This seemingly full of technical content is becoming the "standard" of more and more home appliances.

The so-called "frequency conversion" is essentially changing the frequency of power supply. This is not a new technology. The core of frequency conversion technology is the frequency converter—generally the power control device that uses the on-off function of a power semiconductor device to convert a fixed-frequency power supply to another frequency. The frequency converter was originally designed to solve the problem of instability of the grid voltage and affect the work of electrical appliances. . With consumers' demand for longer lifespan and energy saving of home appliances, household appliances have gradually begun to be converted into frequency, and they have begun to extend all the way from refrigerators to air conditioners, washing machines, refrigerators, microwave ovens, refrigerators, and range hoods...

The "Recommendation of the 12th Five-Year Development Plan for the Chinese Household Appliance Industry" pointed out that it is necessary to strengthen the key product technologies and effectively ensure product upgrades. At this point, China's home appliance industry will usher in a new round of structural upgrades. On the one hand, the demand for energy-saving, environmental-friendly, and healthy high-end home appliances in the urban market will increase significantly. On the other hand, the home appliance industry continues to make breakthroughs in frequency conversion technology, intelligentization, and networking technologies. Some reports pointed out that although global home appliance shipments have declined, frequency conversion products have not declined, mainly because of the importance attached by countries to energy-efficient products.

With the promulgation of the "12th Five-Year Plan" for the development of energy-saving and environmental protection industries, the authoritative department said that the plan will provide support for the development of China's energy-saving and environmental protection industry in terms of policies, taxation and other aspects, which undoubtedly brings enormous imagination to many enterprises. space. The frequency converter acts as a component that controls the AC motor's power transmission by changing the frequency and amplitude of the motor's operating power supply. It has unique effects on energy conservation and is undoubtedly the first benefit under such a big premise. IMS Research, an electronics industry research firm, predicts that the use of variable speed drive (VSD) based frequency converters in household appliances will double in the next five years.

At present, although the growth rate of China's home appliance market has declined, but with the introduction of affordable housing in 2012 and the acceleration of urbanization in China, and the rapid rise of 2012 newly-married families, China's home appliance market still has great potential, "frequency" is The general trend, China's home appliance inverter market prospects will be limitless.

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