Intelligent building technology refers to the optimal combination of the structure, equipment, services and management of the building according to the user's needs, so as to provide the user with a highly efficient, comfortable, convenient and humanized building environment, which is a combination of modern architecture, modern communication network, modern control network, Internet/In- It is a set of modern architecture, modern communication networks, modern control networks, Internet / In- tranet and modern computers in one of the technology.
2 Intelligent building concept and system structure
The essence of the connotation of intelligent building is: in the building framework, according to the principle of systems engineering, to adapt to the needs of a particular group of people, the integration of computer technology, network technology, automation technology, biotechnology, materials science and environmental science to establish a comfortable, environmentally friendly, energy-saving. Energy, efficiency, safety, information transfer and sustainable development of artificial environments.
3 Application of Several New Technologies in Intelligent Buildings
3.1 Network Technology
With the development of fiber optic technology, a new network era has been created for intelligent buildings and smart home devices. Web-based Intranet network technology is becoming the mainstream form of information backbone network within the building or enterprise. Intelligent buildings require the network has a large enough bandwidth and a certain quality of service guarantee, so that multimedia information can be smoothly displayed in the user's browser, Internet / Intranet for people's information exchange and lifestyle has created a new information world.
The application of information network technology in intelligent buildings leads to: ①Internet/Intranet reduces the cost of information communication and information release and dissemination inside and outside the people and intelligent buildings; ②The use of open network transmission information system hardware and software investment and performance enhancement and maintenance costs; ③Improve the building management staff's Work efficiency and management level, improve the management of the building industry, the development of management programs and global events to deal with the ability to work together; ④ can be achieved by remote monitoring and operation and access to comprehensive information data; ⑤ can increase the communication automation control system and information systems between the exchange of information and data, Internet / Intranet can be seamlessly connected through the firewall; ⑥ Information and control system integration can be directly used in the building of the integrated wiring system, network interconnection and expansion is easy to realize.
3.2 Wireless LAN technology
The rapid rise of wireless LAN (Wireless LAN) is due to its simple structure, easy to install, the main components are wireless PCs and personal computers. Wireless LAN roughly the following transmission technologies, the cost depends on different technologies manufactured wireless PC card: radio frequency technology RF (Ra-dio Frequency), direct sequence spread spectrum technology DS (Direct Se-quence), frequency hopping spread spectrum technology FH ( Frequency Hopping), infrared technology IR (Infrared), video transmission, diffuse transmission, and so on. The combination of wireless LAN with mobile communication and satellite communication will play a greater role, and thus the development of its technology is increasingly receiving people's attention and attention.
Wireless LAN technology in intelligent buildings include:
①E-commerce system applications: e-shopping and other e-commerce machines in intelligent buildings wireless LAN connection;
②Wireless signal repeater applications: in intelligent buildings can realize the cell phone, pager signal repeater function;
③Wireless conference TV and video services: in the intelligent building through the wireless LAN to provide activities at the location of the conference TV, video signal transmission, interaction and access services;
④ application of service systems: in the intelligent building of catering, entertainment, remote medical diagnosis, family education, citizen help and other services of the wireless LAN connection.
3.3 Two-way TV transmission technology
Signal transmission technology is the key to broadband network transmission technology. To realize interference-free transmission of three kinds of signals (cable TV signals, computer signals and telephone signals) in the same transmission medium is to use a bidirectional transmission method. In order to form a bi-directional line, uplink and downlink lines need to be set up. The uplink and downlink transmission technologies are realized using frequency division multiplexing and time division multiplexing. The signals transmitted upstream are mainly computer signals, cable TV analog signals and telephone voice signals, and the signals transmitted downstream are mainly TV signals and data signals. Two-way TV transmission technology so that intelligent buildings within the traditional CATV network transformation can provide interactive information and data transmission of broadband high-speed network for the realization of the future of intelligent buildings within the television network, computer network, telephone network integrated transmission mode to provide a reserved network interface.
The application of two-way TV transmission technology in intelligent buildings are: ① digital or analog TV on demand; ② interactive video games; ③ provide broadband Internet / Intranet network access.
3.4 Home Intelligent Technology
The conception and composition of intelligent residence come from intelligent building. Intelligent home network means that information appliances and other devices are connected together by physical means so that they can communicate with each other, thus forming a home-style network system or home LAN. Its construction is conducive to the unified and intelligent management of information appliances. Intelligent home network technology connects the information appliances through the network, which can be used conveniently to provide more comfortable, safer and more efficient intelligence, so that people's quality of life can be improved.
Home intelligence technology in intelligent buildings are:
①Home security early warning system: illegal entry, fire, water leakage, gas leakage, emergency call for help and other automatic alarm;
②Remote control of electrical appliances in the family residence: smart microwave ovens, smart vacuum cleaners, smart refrigerators, smart air conditioners, smart TVs, etc. Remote control;
③Information home appliances Upgrade of functions: automatically download new control programs from the manufacturer to realize the upgrade of information home appliance functions and remote home appliance troubleshooting and maintenance;
④ Network control of home appliances: each user's home appliance can publish its own control menu to the home network, so that it can be used to realize the control of all the home appliances connected to the home network by TVs, fax machines, handheld PCs, videophones and cell phones, etc.
④ Network control of home appliances: Each user can announce his control menu to the home network.
3
3.5 Mobile Office Technology
Mobile office is the use of virtual technology to provide a virtual office environment, which is the integrated crystallization of network technology, communication technology, visual technology and home intelligence technology. The application of mobile office technology can make the family or off-site office workers as in their own offices, can enter the office at any time and anywhere in the office process, timely processing of documents and reading materials; to participate in the unit held a videoconference, to participate in the speeches and discussions; as well as through the family intelligent technology, the use of visual telephone and visual cell phone to the office equipment and home electrical equipment for remote control.
Mobile office technology in intelligent buildings include:
①Multimedia e-mail: through E-mail intelligent fax and Netmeeting way to send sound, images, video, audio information and formatted text;
②Remote conference TV: through B -ISDN or the Internet to achieve access to remote conference TV terminals;
③ wireless remote control: the use of B-ISDN or Internet / Intranet network to achieve the use of visual telephone or visual cell phone to the office equipment or home appliances equipment remote remote control.
3.6 control network technology
Currently, the control network technology is to the openness of the architecture and network interconnection direction. Open control network has standardization, portability, scalability and operability. In the computer network technology, control networks to meet the requirements of openness must take the network interconnection of the development of the road, and thus from the field control bus to the control network is an inevitable trend. Control network usually refers to the production process object control as the characteristics of the computer network.
The application of control network technology in intelligent buildings includes:
①Improve the structure of control and linkage of heterogeneous network environments such as building automation system, security monitoring and alarm system, fire alarm system, combustible gas leakage alarm system, and so on, in intelligent buildings.
②Automated remote monitoring and data collection of equipment, communication and control in intelligent buildings can be realized.
③Favorable to interact with the comprehensive distribution of application systems, integrated systems, intelligent buildings, all the equipment and security monitoring information can be entered into a variety of computer platforms (such as Windows98/2000, Java) and desktop systems, in order to improve the use of monitoring information within the intelligent building, **** enjoy the "group environment "The comprehensive data integration.
4 Favor the detection, monitoring and control of the living environment, state and the operation process of electromechanical equipment.
3.7 Biotechnology
With the development of biotechnology, many intelligent systems will introduce bio-intelligent technology, and the construction of green buildings will also promote the development of new technologies in more new fields. The application of biotechnology in intelligent buildings includes: ① the integration of biotechnology and building materials to make buildings more energy efficient; ② environmental detection technology. It is hoped that in the future, the perception ability of bio-intelligent chips will be closer to that of human beings, and biotechnology will play an effective role in the treatment of hazardous materials; ③ Bio-intelligence will raise building intelligence to a new level.
3.8 Smart Card Technology
With the development of large-scale integrated circuit technology, smart card has the advantages of small size, easy to carry and use, good security and reliability. At present, the use of smart card system for intelligent building entrance and exit management, parking lot management, patrol check-in management, commercial consumption and electronic wallet material management, property management and other important departments of personnel in and out of the situation management can be realized through smart cards. Smart card technology in intelligent buildings include:
①Application of entrance and exit management system: Entrance and exit management should use IC card management, personnel entrance and exit channels, apartment door information records and elevators, etc. to achieve entrance and exit security management;
②Patrol check-in management system application: through the smart card records of the security guards on a regular basis or irregularly patrol, each patrol point with a The button of the lock key, the patrol personnel arrives at the patrol point presses the button, inserts the smart card, the system automatically records, prints, archives, realizes the patrol security management;
③ Parking lot management system's application: Intelligent building all vehicles (automobiles, motorcycles, bicycles, etc.), the driver holds a numbered, plus the password of the intelligent IC card for the door key, legally inserts the card to pass, otherwise rejects.
Smart card system can realize the Chinese language automatic parking guidance, automatic charging, light guidance out of the building, and automatic generation of archive documents, printing, display;
4 property charges and management system applications: the system is based on computer networks as the first to enter the intelligent network system to realize the automation of the water, electricity, gas meter reading and the realization of a variety of automation of the settlement of fees, and provide Telephone inquiries, transfers and reminders and a series of management;
⑤ Application of personnel attendance management system: the use of smart cards to establish personnel personnel file information, recording personnel attendance.
3.9 Visualization Technology
Visualization technology refers to the technology based on networked video transmission, interaction and provision of multimedia video services. At present, digital video-on-demand and conference TV in intelligent buildings are using visualization technology to provide the function of video transmission, interaction and service to the network desktop system in the building. The application of visualization technology in intelligent buildings are:
①Digital Video on Demand: Provide video services such as movies, TV, distance education and games to network desktop systems in intelligent buildings;
②Conference TV: Provide point-to-point or network form of interactive multimedia image transmission services to network desktop systems in intelligent buildings.
3.10 Data Satellite Communication Technology
Direct Broadcast Satellite System (DBS) communication technology establishes a network that can transmit data, images, languages and other contents with the main body of Small Data Satellite Station (VSAT) technology and the application of Multiplexed Satellite High-Speed Channel (IDR/MUX) frame interrupt switching technology as a supplement. Due to the fast transmission rate of DBS, reliable and safe transmission, wide bandwidth, large capacity, low channel BER, wide coverage, it can realize high-quality wide bandwidth communication and is suitable for mobile communication, thus it is used in wireless access and its application is developed. At the same time can be integrated application of satellite multibeam coverage, satellite processing technology, ground cellular mobile communications and computer software technology.
Applications of data satellite communication technology in intelligent buildings include: ①providing Internet/Intranet network access; ②providing interconnection with B-ISDN network; ③providing access to professional LAN network; ④realizing the combination with mobile communication system; ⑤realizing remote multi-point videoconferencing; ⑥realizing remote medical diagnosis and remote medical diagnosis and remote education.
4 Conclusion
Intelligent building is the modernization goal of mankind in the 21st century. Intelligent building has become a new growth point of technological innovation and economic development in the world. The application of information technology in intelligent buildings will certainly be built on the network, and has good human-computer interaction and multi-dimensional information processing capabilities. In terms of technology, the focus of development will be on virtual technology, collaborative work, visualization technology and biotechnology; in terms of application, it must be closely combined with the application needs, emphasizing comprehensive integration.
For more information about engineering/service/procurement bid writing and production, to improve the winning rate, you can click on the bottom of the official website customer service free consultation:/#/?source=bdzd