The Internet of Things era has arrived, the intelligence of smart homes will become higher and higher, and people's interaction with home equipment will become faster and more accurate. In the near future, no need for people to do anything, smart homes will be based on People's living habits and physical health status give people more flexibility and effective care to make life better!
This year's two sessions, the concept of "Internet +" first appeared in the government work report, home appliance companies infiltrated by Internet companies have turned their attention to smart homes, smart home has also become the biggest highlight of China's home appliances Expo in early March. In addition to traditional home appliance companies, Internet companies are moving more quickly.
The development of smart home from wired to wireless is a huge leap. The application of wireless communication technology to smart homes not only changes the first step of smart home in the home, but also avoids the complicated opening of walls and holes in the installation, and greatly simplifies the connection and scheduling mode between product devices. The advantages and disadvantages of communication technology also directly affect the stability and security of the entire smart home system , so good wireless technology is so important that it directly determines the user's use and the promotion of smart home.
The Internet of Everything is an inevitable trend. In the future, people, people and things, things and things will be ubiquitously connected. Anyone, anything, any time, any place will always be online and interact at any time. The smart home system in the Internet of Things era must be interconnected. The simple remote control of lighting and electrical appliances can no longer be called smart home in the real sense. It can only be called remote control. The smart home in the Internet of Things era not only requires easy installation and use, but also has security, stability and awareness. The most important thing is the information exchange between devices and devices in the smart home system (also called dialogue), reporting to each other. The situation, people can not only control the equipment, but also the equipment will pass their own operating conditions and data to people, to achieve an interconnection. At present, the main applications of smart home wireless technology include RF technology, Bluetooth, WiFi, ZigBee, Z-Wave, Enocean, etc. Among them, RF, WiFi, Bluetooth, ZigBee, Z are more common. -Wave these 5 kinds. Each technology has its own advantages and disadvantages and uses. The following five technologies are interpreted below.
Radio frequency technology
RF (radio frequency) It includes 315MHZ/433MHZ/868MHZ/915MHZ, etc. This technology is simple, strong penetrating power, low development difficulty, low price, mainly used for remote control of some items. However, there are huge hidden dangers for data transmission. Its Achilles heel is that the system security is poorly confidential, it is easy to be attacked and deciphered; the system is unstable; the channel is very crowded, the environment is particularly disturbing, the short-term use may not be seen, the long-term use will inevitably appear; And the antenna is bulky. Due to the simple technology, many domestic manufacturers introduce it into the smart home system, but its anti-interference ability is weak, the networking is inconvenient, the reliability is general, the application effect in the smart home is not satisfactory, and the single-user use can still cope. The collective use of the district will continue to be a problem, which is why the smart home of RF technology has been doing this in China for so many years, but at present there is no reason for smart homes in which real estate and community can use this technology.
WiFi technology smart home products based on the most common WiFi technology, its advantage lies in fast transfer rate and lower product cost, life is also the most popular for users, a combination of WiFi-based smart home most easy to buy networking equipment that is directly can. WIFI is a wireless extension of Ethernet. The cost of networking is lower; the transmission speed is higher, it can reach 54Mbps; the transmission speed is very fast, and it can reach 11mbps.
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