Home smart wiring five connection methods introduced

Home smart wiring generally has the following five ways:

1. Star connection 2, Bus connection 3, Power line carrier connection 4, Infrared connection (IR) 5, Wireless (RF) connection

First, from the stability point of view, the star connection is the most stable and reliable, the bus connection is next, the power line carrier connection is again, the infrared connection (IR) is again, and the wireless (RF) connection is the worst. Traditional security systems use star connections and are therefore the most reliable.

Although the bus connection also needs to be wired, when the number of points is larger, the number of connections is smaller than that of the star type, and its reliable line is generally acceptable. There are similar problems in power line carrier and wireless connection. The main problem is the interference between adjacent homes. From the technical point of view, power line carriers can use isolation and other technologies to solve the problem of mutual interference. The wireless mode needs to be solved at low cost. Inter-frequency interference is relatively difficult. Generally, only frequency hopping technology can be used to solve the problem. In addition, there are wireless power supply issues. Therefore, wireless should be a secondary solution in home intelligence, especially security systems.

Second, from the perspective of market issues. There are three markets for home intelligence: the new residential community market, the personal home improvement market, and the old home renovation market.

Newly built residential areas are generally based on residential units, requiring networked alarms and information interaction. The realization of intelligence in the construction of the wiring requirements should not be the first priority for the complexity of the wiring, but with reliability as the first requirement. The intelligence of a whole community, even if there is a problem, is the total number of problems multiplied by the number of households. Realizing family intelligence in the community is generally not too complex to implement, otherwise acceptance and maintenance will be big problems. Therefore, the realization of intelligence in the community should be based on star connections. The personal home improvement market requires more personalized home intelligence features, but no networking requirements. Since personal home improvement is generally promoted by a decoration company and the sales that can be achieved are relatively high, the functional requirements for home interiors are generally more, and the number of points achieved is correspondingly higher. At this time, there are also requirements for the reliability of the system as well as scalability requirements. Since the wiring is not a big problem at this time, the home improvement market should adopt both star and bus methods. The transformation of the market for old homes generally requires a minimum of cabling as a priority. At this time, star-type and bus-type wiring methods are sometimes ineffective. Therefore, power line carrier and wireless should be the main connection method in the transformation of old homes.

Third, as an actual family intelligent system, the best solution should be a variety of wiring schemes that can be mixed and used.

For example, security uses star connection as much as possible, but it can also be supplemented by bus or wireless. Power line carrier is difficult to use for security probe connection because it can't solve the problem of signal transmission during power outage. Star connection is also the best solution for information cabling. Lighting and electrical appliances other than information appliances such as air conditioners, rice cookers, etc. can be controlled by bus, power line, wireless or infrared.

Wiring home improvement residential home decoration rice cooker appliances

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