With the improvement of emerging technologies such as the Internet of Things, cloud computing, and big data, smart home has turned into an approachable person. To put it simply, it is a household that uses smart terminals such as smartphones and tablets to network and centrally control audio and video equipment, lighting systems, curtain control systems, air conditioning control systems, security systems, etc., thereby improving the comfort of life. Intelligent system. China's Internet of Things life application has gone through three stages, one is more advanced than the other: the control stage, that is, turning the mobile phone into a “remote control deviceâ€, and remotely controlling the household appliances by sending text messages, etc., which has been basically realized more than ten years ago; Household appliances have increased data calculation functions, such as automatic switching of air conditioners; in the thinking stage, electrical appliances have actually become a "person" who can listen, see, speak, think, have emotions, and execute. Ubiquitous home applications - no air conditioning remote control, just say "I am hot" “The Internet of Things has three key players – sensors, data transmission channels, and data processing equipment. Through the organic combination of the three, innovative solutions can provide more and more service applications for people's lives.†Institute of Electrical and Electronics Engineers ( IEEE Academician Li Shipeng said. Application requirements are a powerful driving force for the development of IoT technology. In recent years, home services have been one of the fastest growing applications in the Internet of Things. "China's smart home market research report 2015" said that the scale of China's smart home market will increase significantly in 2016, and the market size will reach 180 billion yuan in 2018. Haier Group's U+ smart life platform is a typical case of Internet of Things applications in the industry. It is understood that Haier U+ smart life platform has built a huge smart home ecosystem, covering food, safety, entertainment, health and other areas of life, just like creating a “housekeeper†for the user: “Xing Kitchen†refrigerator, through Image recognition, voice recognition, e-commerce and other technology integration, providing automatic procurement services; intelligent anti-theft, fire prevention and waterproof, real-time notification of "master" home security information through mobile APP; users in the living room say "I am hot", air-conditioning Hear and analyze the user's past temperature habits, automatically open and adjust to the appropriate temperature... At present, many domestic and foreign home appliance companies and IT giants are targeting the smart home market: Lenovo Venture Capital's $500 million second-phase fund was launched in early May this year, focusing on four aspects of technological innovation investment, which is the first to develop smart home and other next-generation smart devices; Xiaomi Company also launched the “Mijia†brand – “Millet Smart Home â€; Apple and Google are all involved in the smart home market. The "humanoid" function is constantly evolving - letting home power listen, see, speak, think, feel, and execute In recent years, the Internet of Things is constantly “evolvingâ€, and the “humanoid†functions are increasingly enriched, presenting increasingly intelligent features that further enhance people's life experiences. According to experts, each IoT application solution is mainly implemented by three parts: First, comprehensive sensing, that is, with various front-end sensors, and widely collect data. The second is reliable transmission, that is, data transmission and exchange through satellite, Bluetooth, WiFi, etc. The third is data processing, with data analysis, decision-making, execution, and interaction. Zhao Feng, vice president of Haier Home Appliances Industry Group, said that on the whole, China's Internet of Things life application has experienced three stages, one is more advanced than one: In the control phase, the mobile phone is turned into a “remote control deviceâ€, and the home appliance is remotely controlled by sending short messages, etc., which has been basically realized more than ten years ago; in the sensing stage, the household appliances have increased data calculation functions, such as automatic switching of air conditioners; At the stage, the electrical appliance actually becomes a "person" who can listen, see, speak, think, feel, and execute. "It uses natural interaction technologies such as speech recognition and image recognition, as well as data processing technologies such as cloud computing and big data, and integrates various 'Internet +' service solutions such as e-commerce, which can analyze, decide and execute like humans. At present, most of these products have begun to be perfected in the enterprise's laboratory." Zhao Feng said. Today, machines between different brands and different industries are accelerating compatibility and interoperability. Oil-immersed Distribution Transformer, its HV level is 11kV, LV is 400V, its capacity is 2500kVA and below. Generally installed on the pole or in the distribution room, for lighting or power supply, three-phase power supply, fully sealed tank structure, to ensure the transformer safe and reliable operation. 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