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With the rapid development of China’s real estate market, the building intercom industry has developed rapidly, and the intercom system has long become an indispensable accessory product for new buildings. At the same time, people’s requirements for residential intelligence are also increasing. In the past, a single building video intercom and security alarm system is far from meeting people’s needs. It integrates visual intercom, security alarm, home appliance control, and multimedia. Smart homes integrating audio-visual entertainment and other functions have emerged at the historic moment, and have been widely promoted and applied in high-end real estate in major cities. Informatization, intelligence, and networked home life have become more and more important for quality Favored by the owners.
This article takes a large-scale villa project developed by a well-known real estate company in Changsha as an example to introduce the application of smart home system in practice.
1. Project system overview
The project covers a total area of about 263 acres, the residential building area is about 210,000 square meters, and the total number of households is about 1,500. The project adheres to the “people-oriented” development concept and strong humanistic ideals. The overall building is elegant and atmospheric, and the environment creates a mood of pursuit , The unique humanistic temperament exuded by the warm and beautiful home atmosphere. For such a large-scale high-end villa project, it is necessary to consider the convenience of use and management. The entire smart home system not only has advanced technology, but also can operate reliably, creating a truly safe, comfortable, efficient and convenient living space for the owner. .
2. System advantage analysis
In this project, many latest technologies are used:
The system adopts TCP/IP transmission mode, and the system can provide the management ability of more than 20,000 households;
The system adopts all-digital and embedded technology, and the audio, video and control signals adopt digital transmission;
The soft encoding/soft decoding of the system video adopts the standard video compression protocol H.264, and the audio soft encoding/soft decoding adopts the standard audio compression protocol G.729;
The system adopts the object-oriented design method and Shell technology, has the GUI library of the embedded system, and has the remote upgrade of the terminal software of the home intelligent system;
The system provides an API interface to provide an integrated platform for external manufacturers of smart home systems;
The system has a polling check function for the running status and faults of the line and equipment. When a fault or damage occurs, it can promptly and reliably give an alarm in the management center; the entire system should have strong anti-interference and anti-lightning functions;
The whole system adopts the principle of hierarchical distributed control, and uses modular design technology to highly integrate the complex technologies of each subsystem to achieve organic integrated centralized control. The whole system has three layers of equipment, forming a tree-shaped distributed control communication network. The system features are as follows:
Three, the main function of the system
The smart home system adopts digital technology, which can easily realize the functions of household visual intercom, professional alarm, and home appliance control that cannot be realized by traditional intercom systems. In addition, the smart terminal is expanded into an entertainment terminal, adding more diversification More user-friendly multimedia entertainment, E-life and other functions have greatly increased the utilization rate of the terminal. The main functions of the system are as follows:
Visual intercom function Residents can receive calls, intercom and unlock the center, stairs, door
Residents with monitoring function can monitor public areas such as the front door, staircase entrance, district entrance, etc.
Image capture users can capture images during calls and surveillance
Households can make visual calls with other residents in the community
Call forwarding When no one answers, the call will be automatically transferred to the phone or mobile phone preset by the owner
Telephone secondary extension supports ordinary telephones as indoor secondary extensions
Telephone function Smart terminal with telephone function, can directly make/receive calls.
The soft encoding/soft decoding of the system video adopts the standard video compression protocol H.264, and the audio soft encoding/soft decoding adopts the standard audio compression protocol G.729;
The system adopts the object-oriented design method and Shell technology, has the GUI library of the embedded system, and has the remote upgrade of the terminal software of the home intelligent system;
The system provides an API interface to provide an integrated platform for external manufacturers of smart home systems;
The system has a polling check function for the running status and faults of the line and equipment. When a fault or damage occurs, it can promptly and reliably give an alarm in the management center; the entire system should have strong anti-interference and anti-lightning functions;
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