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Based On Bus Technology Intelligent Lighting Control Management System

Posted on:2008-05-13Degree:MasterType:Thesis
Country:ChinaCandidate:X Y ShenFull Text:PDF
GTID:2178360245487808Subject:Electronics and Communications Engineering
Abstract/Summary:PDF Full Text Request
This paper introduces the i-bus EIB intelligent building environmental control system of occasions and, in conjunction with the Qingdao Liuting Airport terminal expansion project of the new engineering examples described in detail i-bus system in the application of intelligent buildings, as belonging to the airport terminal building long-span, large space lighting, indirect lighting lamps used, in addition to the basic realization of the sub-circuit lighting, dimming and the light sensor control, centralized control, and flight information linkage, and Building Automation System integration functions, also uses an intelligent module built-current detection function can be detected through the current very visual observation of the state of the work of each loop, the loop when any lamps (with many lamps) were damaged, the system will be a timely warning, greatly satisfied the use of user requirements.Modern building left, it is impossible to imagine, whether they be traditional lighting and sockets, or modern communications, security, and other technology, we can not do without power supply. EIB technology itself in the traditional electrical installation technology on the basis of the introduction of fieldbus and development of the concept, its traditional electrical installation technology is a breakthrough in terms of the revolution, it is the core of fieldbus technology advantages such as simple structure; Design, installation and maintenance of convenience; All decentralized control, settlement of trades involved in the construction and function as a result of a flood independent and operating system too complex issues, today's technology is very good technical standards.(1) standard bus EIB system using 2×2×0.8 of Twisted-pair, has good anti-jamming;(2) EIB bus system is very flexible configuration, can be applied to different sizes of electrical installation of the system - a small room for the average, up to a building or a district, can be graded in terms of distribution design and installation;(3) EIB and other fieldbus protocol, use the serial asynchronous transmission mode, in order to enhance reliability and maximum transmission rate, EIB application of the CSMA / CA (Carrier avoid conflicts with interception Multiple Access), through this bus access technology, making in a number of bus components at the same time sending signals to the phenomenon of loss of signal will not happen, and EIB has its own definition of priority to ensure that the signal according to certain priorities have transmission;(4) In EIB protocol standards, the definition of the two types of addresses: physical address (Physical Address) and group address (Group Address). When used to the physical address marking the identity of each component, in the system, each device has its own only a physical address, in order to facilitate debugging, the address of the device in accordance with generally in the position of the entire topology set. And the only physical address of the different components can each be given one or more group address. In fact, the group address is used for communications purposes. When a device to achieve the purpose of issuing a signal, in the entire topology, components, as long as their addresses and bus group on the signal transmission included in the group address the same, it will be able to respond to this action included in the signal instructions. Using the concept of group addresses can be easily achieved in the traditional electrical installation technology be very difficult to achieve "a more controlled" and "more control of a" mandate.(5) EIB from the functions of the components can be divided into three categories: sensors, actuators and systems annex. Especially replace traditional panel button switch EIB multifunctional switches, and installation of shape and are fully embedded traditional 86-match box, but in a panel can be achieved on lighting, air-conditioning, curtains and other equipment control and truly achieved the integration of multiple systems.(6) built-in current detection function through the integration of the IGBT module to the IGBTsense to achieve, in the fifth chapter to IGBTsense detailed study and, through the current detection can be very intuitive observed that the work of each loop state, as a loop when the lamps (with many lamps) damage , a timely alarm system will greatly satisfy the requirements of the users use.To summarize the above Intelligent Building Environmental Control System i-bus(?) EIB has the following advantages:(1) create a safe, healthy, comfortable and pleasant living environment.(2) energy conservation. Modernization should meet residential users on the premise of environmental requirements, as far as possible, use natural light to regulate indoor lighting environment, the use of natural ventilation to improve indoor air-conditioned environment, according to the real-time situation of opening and closing air conditioning and lighting equipment to minimize energy consumption.(3) to meet the various users on different environmental function requirements. Electrical installation bus is open, the framework of large-span structure, allows users to quickly and easily change the function of the use of the building or re-planning the construction plane.(4) meet the operational requirements of economic construction. Automation provides energy-saving operation and management to achieve the necessary conditions, but can still significantly reduce management and maintenance staff, reduce management costs, improve labor efficiency, and enhance the management level.(5) To ensure safe and reliable construction. There are many modern building measures and security alarm services, systems integration, and in the form of computer networks in various emergency incident, a prompt and decisive handling, for the safety of construction provides a reliable protection.
Keywords/Search Tags:intelligent building environmental control systems, EIB, bus technology, standards, current detection
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