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Smart villa solutions

    

With the rapid development of technology and the continuous improvement of living standards, people’s demand for smart home life has gradually increased; in order to meet the needs of market development and meet people’s needs, many manufacturers have also developed and launched various Smart home products. For example, many smart home products use advanced computer technology, embedded system and network communication technology, and through all-digital transmission, it can realize functions such as household calls, pictures and messages, home security, information release, multimedia, intelligent control of home appliances, and IP phones. , You can use smart terminals, computers, and mobile phones to remotely monitor and remotely manage electrical equipment in your home. At the same time, smart home systems based on community broadband network applications can also provide multiple services in property management, fire protection, water, electricity, coal, etc. Fangfang service creates an efficient, comfortable, safe and convenient living environment for users. This article will take a villa project in Changsha, Hunan as an example to introduce the application of digital home system in practice.


  An Introduction

  In the villa, the entire system adopts the principle of hierarchical and distributed control, and uses modular design technology to organically combine many functions, highly integrate the complex technologies of various subsystems, and realize 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:

  •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 an object-oriented design method and Shell technology, has a GUI library for an embedded system, and has a remote upgrade of the terminal software of the home intelligent system;

  •The system provides API interfaces 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 built-in alarm system of the system meets the requirements of the Ministry of Public Security’s GB12663 Ministry of Public Security’s alarm C-level standard.

  System composition

   It can be understood from the network structure diagram that the digital smart home system is mainly composed of digital home smart terminals, public gate smart terminals (unit door machines, wall door machines), administrator machines, central servers, and community network wiring.

  ◆Indoor terminal

Home smart terminal, with modules to achieve: building video intercom, home appliance control (electrical appliances, lighting, curtains, etc.), security alarm (8 zones), telephone function (support 4 telephone extensions), information management (community information, visitors Digital home intelligent control such as message taking pictures, etc.), multimedia, and remote.

  ◆Public gate terminal (unit entrance machine)

It can realize two-way visual intercom with residents and call center, which can store visitors' images and voices in a dynamic manner. When visitors call, they will automatically capture images and deliver them to the management center. Each visitor's information will be faithfully recorded and stored. Convenient inquiries; graphic advertisements can also be posted on public gate terminals, which support passwords and card opening functions, and user terminal failures can be automatically detected and reported to the management center.

  ◆Management center equipment

   The management center has information processing and publishing functions, and provides open software and hardware interfaces to the outside world to facilitate access to other manufacturers’ software and hardware. The equipment part mainly includes: administrator machine, management server and software (including household management module, event management module, equipment management module, parameter management module, IC card access control management module, advertising service module, information release module, etc.).

  ◆System administrator machine

The system administrator machine can be controlled by a computer, and the management terminal adopts "PC+management software" to realize the functions of the management machine. It not only has the functions of traditional management machine intercom, monitoring, calling, unlocking, alarm event processing, electronic map, etc., but also convenient Upgrade and maintenance, and provide standard and open API interface protocols to the outside world, which can seamlessly connect with other manufacturers' products and different systems.


  ◆Network wiring construction requirements

  The network wiring part mainly completes the signal transmission of system voice, video, control, etc. It is composed of computer network and integrated wiring, and requires an independent local area network.

  The network construction requirements are as follows:

  •The system uses an independent local area network, and does not mix with the community broadband for networking;

  •It is recommended to adopt a three-layer (access layer, convergence layer, core layer) network design, and the core switch needs to have network management functions;

  •The bandwidth of the community network backbone is 1000Mbps, and the 10Mbps of the household access port network requires 100M to the building and 10M to the home;

  •The cable must meet the requirements of the integrated wiring specification when wiring.

The villa is a mixed structure of single-family and townhouses. The public gate terminal equipment is used as the wall entrance machine of the entire villa area, providing the first fully digital and secure information channel for the villa area. For townhouse villas, the public gate The public gate terminal equipment equipped with this system can be installed, and it provides a convenient channel for safe information for the business. The management center equipment and the system administrator machine are used to build a fully digital management center for the villa area to communicate between the property and the owner. It provides a high-speed information communication channel, which provides an effective guarantee for the daily convenience of the owners and the safety of the home.

   For the villa-type home residence, in addition to the superior location and beautiful environment, it also provides the owner with diversified functional applications. The biggest feature of digital home is the integration of multiple functions. Use high-tech means to integrate communication equipment, home appliances, lighting, curtains, intercom systems, security systems, audio-visual, entertainment, home environment, monitoring systems, Internet, etc. in modern life through automated programs to make them practical and comfortable , Safety, entertainment and intelligence have been properly combined to create a new lifestyle for the owners.

  Introduction to the use of various indoor functional modules

  ◆Home appliance module

   The module can communicate with the host, transmit control signals and realize home appliance control. Through the addition of third-party home appliance interface modules and related control modules (control methods include power carrier, bus control, RF control, etc.), the supported manufacturers include Anmins, Botron, Sober, Ruilang, ABB, Qisheng, etc. .

  ◆Alarm module

  The alarm module can communicate with the host, and transmit control signals to realize security alarm. When the defense zone is triggered, it will make a telephone alarm.

  ◆Telephone switch module

The telephone switch module can communicate with the host, transmit analog door phone signals and telephone signals, and realize the video intercom between the indoor phone and the analog door phone. The module can provide 4 phone extension interfaces, connect 4 phone extensions, and connect the phone The signal is distributed, so that the indoor unit has a telephone function.

  ◆Power module

The power module can provide 12V voltage to 1 alarm module, 1 household appliance module, and a set of 12V, 48V, 75V voltage to power the phone module. In addition, the power module can also provide 1 indoor unit to supply power; The power supply of the indoor alarm detector shall be provided separately.

   The system's network front door machine can be installed at the garden entrance of the villa to realize independent visitor visual intercom and monitoring functions, which provides a guarantee for the internal safety of the home. To provide an elegant and comfortable living environment for villa life, it is inseparable from the adjustment of the light environment and the convenient operation of home appliances. The home appliance module of the system is used to integrate the home lighting system, home appliances, curtains and other equipment together. Indoor terminal or wireless remote control for centralized control, according to the different functional application areas of the home, set different scenes, let you go everywhere, want different applications and environments, do as you wish.

High-end residences should also reflect professionalism, especially in security alarms. The alarm module of the system just satisfies this point. The alarm module is designed completely in accordance with professional alarms and provides 8 fully customizable defense zones. It also has telephone, city 110, and regional networking alarm functions to make the home safer and the owners feel at ease.

Another feature of the villa house is that there are many rooms and large area. One indoor extension can never meet the application of video intercom in this home pattern. Using the telephone switch module of the system, the ordinary telephones in each room are connected to the In the switchboard, the telephone can be used as a normal telephone function, and can also be used as an extension for video intercom. At the same time, it can cooperate with your mobile phone, so that you can answer the visitor's call no matter where you are.


  System function advantage

  Through the use of the smart home system, many intelligent application needs of the villa users can be met, as follows:

  •Surveillance and intercom: realize the visual intercom and monitoring of the front machine and the public gate; the two sides of the central machine can talk;

  •Household-to-household video call: It can realize the function of household-to-household intercom, and the call is not busy and does not affect the calls of other households;

  •Household appliances control: you can freely control and adjust the air conditioner, lighting, curtains, TV, audio, etc. in your home. When you go out, you can switch the full on/off of all appliances with one button, which is convenient and worry-free;

• Appointment control: The indoor smart terminal sends commands to the home appliance control module to realize the control function through the home appliance control module. You can easily realize the on/off, appointment and other functions of the power socket, switch, air conditioner, etc. in each functional area in the room, which is effective The monitoring of the working conditions of home appliances has played a role in energy saving;

  •Alarm linkage function: when the defense zone is triggered, the indoor lights are automatically turned on, and the terminal starts the camera of the machine to record, and at the same time automatically informs the owner’s mobile phone via SMS or voice, and reports to the management center and linkage 110 alarm center;

  •Call forwarding and dialing: When the user is out, you can transfer the call of the visitor to your mobile phone, and important guests will not miss it;

  •Information function: The terminal can receive various notifications sent by the center and the mobile phone, related services, and mobile phone messages, which makes the property management more efficient and the service better;

  •Visitors' pictures and messages: When the user is not at home or is inconvenient to answer the call, the visitor can press the voice prompt of the stairs to leave the video and audio information. The user can check it through the indoor unit and easily grasp the visitor's information;

  •Local message: If you have something to go out, let your family know that you no longer need paper notes, open the smart terminal, and easily mess with it;•Multimedia playback: The terminal can easily access and play your favorite music, video and movies, and enjoy the joy of video and audio;

  •Local camera: the terminal supports 2GSD card, you can directly store pictures on the SD card, you can browse photos on the terminal, and you can set your favorite photos as your personalized desktop;

  •Elevator control: The owner can automatically call the elevator to the floor where the owner is at home, no longer having to worry about waiting for the elevator, humanized settings, and experience the honor of the exclusive elevator;

  •Remote control: You can easily carry out remote arming and disarming and control of home appliances through the mobile phone, sending text messages, and turning on the computer to access the Internet. It can also carry out comprehensive monitoring to confirm the safety of the elderly and children at home.

   The completion of the above functions is reflected in the integration of the digital home indoor terminal. The touch screen of the indoor terminal allows you to freely control lights, curtains, various infrared home appliances, security alarms, etc. In addition, the room temperature control, light control and other linkage control scenarios not only bring energy to the business, but also provide an elegant living environment. At the same time, using the Internet and mobile communication network, you can use the computer and mobile phone around you to monitor and control home security, home appliances, scenes, etc. anytime, anywhere. After a busy day, the owner of the villa drove back to the door. After automatically sensing and recognizing the owner, he automatically opened the garage door and front door, closed the security system, opened the indoor curtains and air conditioning, and the family background music sounded. The host is welcome to come back. The pre-heated hot water and dinner are waiting for you to use. This is the high-quality life picture brought to you by the digital home.

   Conclusion

Compared with ordinary intercom systems, the above-mentioned smart home solution has unparalleled advantages in terms of communication reliability, system safety, cost economy, construction convenience, networking convenience, and signal clarity. While focusing on optimizing the cost of the system, the network is also very flexible and efficient, and the system is also stable and reliable. It not only provides high value-added products for real estate developers, but also creates a high-efficiency and high-quality living space for users.


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