Home appliances mainly refer to various electrical appliances and electronic appliances used in homes and similar places. It is to facilitate people’s daily life and provide entertainment for people’s daily life. Some electronic products, such as TV sets, refrigerators, computers and washing machines, etc., can all belong to home appliances. With the development, there are more and more household appliances. With these appliances, we can bring some help to our life and make our life more and more intelligent. This is also a manifestation of social progress. Commonly used household appliances include: air conditioners, electric fans, televisions, microwave ovens, electric ovens, induction cookers, range hoods, refrigerators, electric water heaters and so on.