Wednesday, January 5, 2011
【 Weak current college 】 building intelligent profile---section II introduction to building intelligent systems
This section focuses on the integrated distribution system, building automatic control system equipment, communication network system, Office automation system and building intelligent system integration. First, the cabling system (GCS) 1. comprehensive wiring system of the composition of the subsystem name subsystem workspace subsystem consists of terminal equipment to connect to the information outlets of lines, including information outlets, connecting cords, adapter, etc level link subsystem consists of information outlets to floor distribution frame wiring between components management zone subsystem consists of handing over of the distribution frame and jumper, etc, for simplicity, sometimes it into horizontal cabling subsystem vertical link subsystem by subsystem between devices and the introduction of the management area of the subsystems of the wiring between components, which is building the backbone cabling system device subsystem consists of the building into line equipment, various host wiring devices and wiring protection equipment and, in some cases be classified as building backbone cabling system for building complex subsystem consists of complex distribution frame to the building distribution frame between backbone cabling system. Building the backbone routing, the use of fiber optic cable from wiring, cabling and simplifies the complex wiring subsystem for the main trunk wiring subsystem, buildings and three horizontal cabling subsystem subsystem. 2. comprehensive wiring system features ① compatibility: refers to the device or the program can be used for a variety of system performance. ② openness: the use of the system maintenance, comprehensive wiring system with open architecture, compatible with a variety of internationally popular standards, it almost all well-known manufacturers are open. ③ flexibility: because all of the information system are the same transmission medium, physical star topology, so all the information in the system are the common channel. ④ reliability: the system uses the high quality of materials and combinations of crimping manner constitutes a high-standard information channel. Each information channel should be used for instrument calibration line impedance and decay rate, in order to ensure its electrical performance. System wiring all physical star topologies, point-to-point termination, any line failures shall not affect the other line of work, while at the same time as the lines of operation and maintenance and Troubleshooting provides great convenience, in order to guarantee reliable operation of the system. ⑤ Economics: Unlike traditional cabling, cabling is a good initial investment characteristics, but also has very high performance-cost ratio of high-tech products. ⑥ Advancement: comprehensive wiring system with fiber optic and twisted-pair mixed fabric, very reasonably constitute a complete set of cabling systems. All wiring adopts the world most new communication standards. Second, construction equipment and automatic control system (BAS) construction equipment and automatic control system components and features described below. (1) power system
Ensure that the electric power system security, reliable power supply is the normal operation of the intelligent building. In addition to protection and standby power automatic functions, you must have the switch and the status of the transformer, the system's current, voltage, active energy and reactive power automatic monitoring parameters, thereby realizing comprehensive energy management. (2) lighting system
Intelligent lighting control in the guarantee on the basis of the lighting use, focusing on the solution of energy-saving lighting system. In the application through the voice and the lighting brightness of induction zone for go lights, combined with the application setting up/turn off time, use the key switch, infrared, ultrasonic and microwave measurement methods, to achieve the lighting effect. (3) air conditioning and cooling systems
Try to reduce the energy consumption of air conditioning system, major energy-saving control measures include the following. ① equipment best restart/stop control. ② air conditioning and refrigerator energy optimization control. ③ equipments run cycle control. ④ cool system best control, etc. (4) environmental monitoring and drainage system
Monitoring air cleanliness and hygiene, disinfection of exhaust air and take such measures. (5) elevator system
Elevator system using computer realization group control to achieve the optimum transfer, control the average energy saving equipment usage and management purposes. Elevator floor conditions, power status, power supply voltage and power factor, the system will also need monitoring and networking implementation optimization management. (6) automatic fire alarm system (FAS)
FAS timely alerts and output signals are linked control early warnings of a powerful tool, especially in high-rise buildings and staff-intensive public places. FAS by fire detectors, fire alarm, fire alarm and fire signal transmission lines, etc. Basic features include the following. ① with fire alarm sound and light signals, can show the fire location and memory function. ② with fault monitoring function. In the event of disconnection, bad or detectors stolen, etc., the system issues a warning signal. Also, when a fault occurs with the fire at the same time, the system functions with fire priority. Û on detector and alarm circuit performing a self-test feature to ensure that the system always is healthy, improve their reliability. (7) the intelligent building security system (SAS)
Building a security system, with the OAS within intelligent buildings, not only on external personnel to prevent, and to improve management of internal staff. For important locations, goods also need special protection. Therefore, modern buildings need multiple levels, solid security system. Intelligent building security system has the following features. ① prevention. Security system so that criminals cannot enter the building or in the attempt to detect when to take measures. The offender denied facilities mainly mechanical type, such as safety barrier, security door, door barrier and safe; and mechanical-electrical-style, such as alarm door lock, alarm, door, and anti-riot electrical of various detection triggers, and so on.
In order to achieve prevention purposes, alarm system with a defense and disarm the function. When staff leave should be able to watch, when staff normal access, open the "lock" system disarmed, not produce false positives. ② alarm. When a security breach, the system can in the Security Center and related places various specific sound and light alarm, the alarm signal through the network to the security sector. ③ monitoring and recording. In the event of an alarm at the same time, the systemShould be able to quickly take the scene of image and sound are transferred to the Security Center, and recorded in real time. ④ system self-test and damaging. Once the line is compromised, the system should be able to trigger an alarm signal; the system in some cases a defense should have appropriate time delay function, so that staff in the Defense area just beep signals that cause false positives. Third, communication automation system (CAS) for intelligent building communication network system is to ensure that the building of voice, data and image transmission, it simultaneously and external communication networks, such as public telephone networks, data communication networks, computer networks, satellite communication network and broadcasting network, connected to, and interconnection of information around the world, providing an effective information inside and outside buildings. Intelligent building communication network system and function relatively complicated, collated and generally include the following twelve. ① is program-controlled telephone system: various buildings have to be set by the system. Intelligent building program-controlled telephone system swap device generally uses user-controlled switch, not only to provide traditional voice communication, but also can achieve data communications, computer LAN Internet. ② broadcasting satellite system: through the mounted in the roof can directly receive satellite ground station and TV satellite signal. ③ cable television (CATV): intelligent building CATV bidirectional transmission request signal and can support a hybrid fibre coaxial cable. ④ video conference system: use image compression and processing technology, television technology, computer network communications and related equipment, lines, and realize remote point-to-point or multipoint between images, voice and data signals of real-time interactive communications. ⑤ public/emergency broadcasting system: including general broadcasting, emergency broadcasting and music broadcast, etc. ⑥ VSAT satellite communication system with small antenna intelligent Earth station, can be one-way or two-way transmission of data, voice, image and other integrated telecommunication and information service. ⑦ simultaneous interpretation system: translators through dedicated interpretation equipment provides instant verbal translation system. ⑧ access network: mainly address intelligent building internal networks and external networks of communication. From the perspective of modern network functionality, the communication network of the transmission network and switching network and access network made up of three parts. Telecom network access network refers to the local switch and the connection between users; cable TV access network is from the front-end to the part between the user and data communication network, access network refers to communication subnet edge routers and the part between the user's PC. ⑨ computer information network: in the intelligent construction, both OAS network and BMS/IBMS management network or Internet and Intranet, belong to the category of computer information network. ⑩ computer control network: in the intelligent construction, the construction equipment monitoring, various building intelligent subsystems (BAS, FAS, SAS, etc.) are computer-controlled network. Regional micro cellular digital cordless telephone system: is a cross between landline and cellular mobile telephone for micro area or between the community of wireless technology faintly, as telephone network in the wireless terminal and extension, mainly to low-speed mobile users with wireless access. Mobile communication relay system: when building the underground or overground section shielding effect in certain areas due to the emergence of mobile communication gaps, you can set the mobile communication relay system (base station), and the public network is connected to a mobile phone system. 4, Office automation system (OAS) Office automation system is divided into common Office automation system and dedicated office automation system. General Office automation system which has the following features: building property management trading information, email accounts, email, information dissemination, information retrieval, navigation, electronic meetings, as well as word processing and document management; professional office building of office automation system in addition to the above function, it should also be according to their specific business needs, the establishment of a dedicated office automation system. Private office automation system is designed for individual users different Office business requirements are developed, such as securities trading systems, banking system, POS system, ERP market manufacturing enterprise resource management system and government documents circulation systems. 1. Office automation system hardware office automation system hardware Division Office equipment and network equipment. ① Office equipment. Generally can be divided into input device, process, equipment, storage equipment, output devices, copying equipment, communications equipment and the destruction of equipment and other seven classes. ② network devices. Including a modem or network interface card, transmission media (twisted pair, fiber optic cable), hubs (HUB), and network interconnection devices (bridge, router, gateway). 2. Office automation systems, software, Office automation software in General can be divided into system software, support software and application software. ① system software. Mainly operating system such as Windows, Unix, Linux, etc. ② supporting software. Those who universal, used to develop Office automation tools for software application software, such as database management systems (Visual Foxpro, SQL sever, Access, Oracle, Sybase, DB2, etc.), common database applications development tools (VB, C ++, Delphi, Powerbuilder, etc.), compression/decompression software, browser software and audio/video playback software, etc. ③ application software. Means to support the activities of the specific Office application, according to different levels of Office activities support, application software and can be further divided into Office transaction processing applications, management information system application software, and decision support application software three layers. 5. building intelligent systems integration (SIC) building intelligent system integration is a smart building different features of intelligent systems in the physical, logical and functional connection to enable information to be integrated and resource sharing and device interoperability. 1. intelligent building system integration of the target device subsystem on ① centralized monitoring. ② implement cross-subsystem of linkage, improving the coordination of the various subsystems. ③ implemented comprehensive data between the subsystem and information sharing. ④ establish integrated management system, improve theManagement efficiency and quality, reduce operating and maintenance costs. 2. system integration of content from a user perspective, the intelligent building system integration is functional integration and interface integration; from a technical perspective is network integration and database integration. (1) function integration
The original separation of the functions of the intelligent subsystem integration, achieving the original subsystem does not have the building equipment for all global monitoring and management capabilities. Functional integration is mainly divided into two levels. ① IBMS top management capabilities. If the centralized monitoring and management capabilities, and information management capabilities, global event management capabilities, process automation management functions and public communications network management and integration. ② Intelligent subsystems function integration. BAS, OAS, CAS various subsystems within the function integration. (2) interface integration
Interface integration is to implement in a uniform user interface run and operate various subsystems. Interface integration actually feature integrated external manifestations. (3) network integration
Resolve various subsystems interconnection between heterogeneous networks and systems of internal management information network and monitoring layer control network Internet issues, implementation of communication within and outside the system. Network integration solutions is the essence of heterogeneous network system to different communication protocols. Internet is available in different levels, namely by Internet according to different situations in the data link layer, network layer or tall (the transport layer, session layer, and the presentation layer and application layer). (4) database integration
Solve the main problems are comprehensive data organization and access to shared information. Comprehensive data organizations can adopt a centralized database or distributed databases. A centralized database is located in the integrated system of management, is the subsystem of data upload summary, storing them in a database. Distributed database by the distribution of the various subsystems within a database, each child database is logically associated, in use can be seen as a complete database.
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