近年来,随着我国国民经济持续、稳定、高速的发展,城镇住宅小区的建设也在全国各地普遍开展起来,伴随着人民生活水平的提高,家用电器也以很高的增长速度进入千家万户,家庭设备的现代化、电气化、信息化已初露端倪。为了适应家庭用电快速增长 In recent years, with the sustained, stable and rapid development of our national economy, the construction of urban residential quarters has also been carried out in various parts of the country. With the improvement of people’s living standards, household appliances have also entered the households with high growth rates , The modernization of household equipment, electrification, information has begun to emerge. In order to meet the rapid growth of household electricity