【 Weak current College 】 intelligent building weak electricity technology concepts

(A) the intelligent building weak electricity technology definition
1. intelligent electrical building technology
Intelligent electrical building technology still include strong electric and electronic two kinds:
Architecture and buildings electricity generally refers to 220V50Hz and above strong electric, mainly to provide electrical energy.
Intelligent building weak electricity mainly two kinds:
A class is the proprietor of the national provisions and the control voltage and grade of low voltage electrical energy, there is a distinction between AC and DC, 24V DC control power, or standby power for emergency lighting.
Another class is contained in voice, video, data and other information sources such as telephone, television, and computer information.
People used to put the power of technology called weak current technology.
Visible for intelligent building weak electricity technology basic meaning remains the original sense of the current technology. But with modern electronic technology to the rapid development of intelligent building weak electricity technology and applications become more and more widely. Weak current technology application decide a smart intelligent buildings.
2. intelligent building weak electricity technology
Modern computer technology, modern communications technology, modern automatic control technology and modern image display technology, integrated wiring technology, systems integration, technology and other modern information technology and other modern high-tech and the organic combination of architectural technology constitute the intelligent building, apply to intelligent building weak electricity technology is the intelligent building weak electricity technology.
(2) intelligent building weak electricity technology and intelligent building relationships
1 Smart power technology is the main meaning of intelligent building
Figure 1 shows a basic content concept for intelligent building.
Figure 1 shows that, in order to intelligent building cabling for basic transmission media, to computer network (mainly local area network, including hardware and software) as the main means of communication and control (bridges); thus the communication network, Office automation systems, building equipment system (generalized BAS) all the features of the system, such as through system integration integrated configuration and integrated management, forming a device and the network, hardware and software, control, management and delivery of services combined in one comprehensive building environment.
Intelligent building as both contain device physics building environment, and includes management and services of environment, it is a complex environment. Visible for intelligent building technology and intelligent building weak electricity system is the main meaning of intelligent building.
2 intelligent building weak electricity technology is narrowly intelligent building technology
We say that the intelligent building weak electricity technology is narrowly intelligent building technology, namely the implementation of intelligent building technologies. In the sense of intelligent buildings technologies mainly intelligent building weak electricity technology.
The realization of the intelligent building connotation is the weak technology base.
Intelligent building weak electricity technology is the key to intelligent building technology. Intelligent building weak electricity technology, information technology, is the main function of the intelligent building technologies.
　
The main technology of intelligent building weak electricity
　
1. information technology IT
Typically information technology including: information technology, information transfer technology, information processing, information retrieval, information technology, information technology and information security technology.
Information technology is the voice, data, images and other information of generation, transmission, reception, collection, retrieval, testing, distribution, processing, transmission and application of technology.
2. modern computer technology
Computer technology is the core of the building automation technology. Based on a computer network (e.g. LONworks, BACnet, etc.) connected computers and building air conditioning, elevators, and other equipment for complete device automatically monitoring management and systems integration; completion of fire fighting and security system of automatic control and management.
3, modern communications technology
Communication technologies are along the digital, broadband, high speed and intelligent, integrated, networked direction rapidly.
Modern communication technology including the integrated services digital network ISDN (IntegratedServicesDigitalNetwork) technology, namely N-ISDN/B-ISDN technology, broadband multimedia networks technology, asynchronous transfer ATM technology, synchronous data series SDH technology, access network technology, Internet, Internet/Intranet, IP (InternetProtocol) communication technologies, satellite communications technologies, mobile and personal communications technologies, digital microwave communication technology, information and communication technology, and so on.
4. modern automatic control technology
Modern automatic control technology mainly digital control technology, namely, computer control technology and network technology.
Modern automation technology is an intelligent building play a leading role in an intelligent building weak electricity technology. Use network integrated control technology can form an entire IBMS intelligent building management system. Currently the most widely used is the building facilities management automation system BMS.
5. modern graphic image display technology
Applied to the intelligent building of the modern image display technology mainly includes two aspects.
On the one hand, the State-of-the-art information technology, that is, the image display and image. On the other hand is the image information and related management information in computer processing, activities, image compression and network control technology, computer processing and network control.
At present, the image display technology mainly has three types, CRT, LCD and DLP display technologies.
6. integrated wiring technology
Cabling technology is a kind of information transmission technology
Cabling technology is all telephony, data, text, images, and multimedia equipment wiring integrated (or combination) in a standard set of cabling systems, enabling a variety of information system compatibility, sharing and exchange of intermodulation performance.
Cabling technology is the information transmission technology in a special transmission technology. That is, it is in the building and complex environment of a cable transmission technology; it is a building or group of companies to transmit voice, data, images, and other lettersInterest meet people in the building of various information requirements. Therefore, it is an intelligent building weak electricity technology one of the major technologies.
7. system integration
Intelligent building system integration IBSI (SystemsIntegrationofIntelligentBuilding) is a smart building different features intelligent subsystems in the physical, logical and functional connection to enable information to be integrated and resource sharing in a technical way. In the architectural field in system integration or SI.
　
Intelligent building weak electricity system
　
Follow the intelligent building weak electricity system function and draw the intelligent building weak electricity system of basic functions and composition. As shown in Figure 2.
Intelligent building weak electricity system is based on the built environment and system integration for the platform, primarily through the comprehensive wiring system as the transport network infrastructure channel, consists of a variety of electronic technology and the built environment of the organic integration of the various facilities and comprehensive application form the individual subsystems, which constitutes the subject areas such as intelligent building functional requirements of the built environment.
Figure 2, also reflects the intelligent building weak electricity system specifically for intelligent buildings may require various functions, the system covers the GB/T50314-2000 specification of intelligent building major subsystem.
Communication networks is a smart building of voice, data and image transmission infrastructure, and external communication network (such as the PSTN, integrated services digital network, computer, Internet, data communication networks and satellite communication network, etc.) linked to, ensure that the information flow.
Communication network system function is "on the inside and outside the building or group of buildings from various information be receiving, storage, processing, Exchange, transmission and provide decision support capabilities. ”
Requirements for intelligent building communication facilities, the communications network system provides all kinds of business and the business interface should reach the individual user terminal.
Communication network system (CNS) and consists of many subsystems, mainly in the voice communication system (phone), sound system (building electroacoustic), imaging system (by image), data communication systems, multimedia network communications systems.
Building automation system (BAS), the building or buildings in the power, lighting, air conditioning, water-proof, the security, garage management device or system to centrally monitor, control and management for the purpose, constitutes a comprehensive system.
Construction equipment monitoring system primarily environmental equipment monitoring system and energy equipment monitoring system.
Fire fighting automation system (FAS) are automatic fire alarm systems, fire control systems, fire-fighting equipment monitoring system, etc.
Security automation system (SAS) mainly intrusion alarm systems, video surveillance, entrance control system, patrol system, garage (field) management system, explosion-proof safety inspection system, etc.
Office automation system (OAS), OAS, applied computer technology, communications technology, multimedia technologies and the behavioral sciences and other advanced technology, make it part of the business with the help of various Office, Office equipment, Office equipment and Office the composition services for a business objective of human-computer information systems.
Intelligent building automation system, can be divided into general office automation system and dedicated office automation system. Office automation system (OAS) mainly in property management trading information subsystem, Office and service management subsystem, information service subsystem, smart card management subsystem.
Comprehensive wiring system GCS (GenericCablingSystem) is inside a building or complex between the transmission network. It makes the Interior of voice, data, text, images and multimedia communication devices, information exchange equipment, building management and building automation management equipment systems interconnected and building communication network equipment and external communication networks.
In GB/T50314--2000 cabling system can be divided into the following subsystems:
A £ ® complex skeleton wiring subsystem.
B £ ® building backbone cabling subsystem.
C £ ® horizontal cabling subsystem.
D £ ® workspace wiring (generally in the case of non-permanent).
These subsystems are in intelligent building with actual physical facilities or the practical application of applied software systems.
These subsystems in the realization of the intelligent construction the basic purposes and is on an equal footing, that is, regardless of system size is to provide safe, comfortable, convenient service. In the technical implementation aspects between the subsystem has natural links, comprehensive, and therefore these subsystems and must not exist in isolation.