The paper analyzes the characteristics of intelligent lighting control system from three aspects: superiority, composition, control scope and control content, and introduces some experience of intelligent lighting control system in an office building.
Intelligent lighting control system superiority composition 1 The advantages of intelligent lighting control system Good energy saving effect The main purpose of intelligent lighting control system is to save energy. Intelligent lighting control system with a variety of different "pre-set" control methods and control components, different times, different environments to accurately set the lighting and reasonable management, to achieve energy saving. This way of automatic adjustment of illumination makes full use of outdoor natural light. Only when necessary, the lamp is lit to the desired brightness, using the least energy required to ensure the level of illumination. Saving effect is very obvious, generally up to 30% or more, in addition, intelligent lighting control system for fluorescent lamps and other dimming control. As the fluorescent lamp using active filter technology adjustable electronic ballast, reducing the harmonic content, improve the power factor, reducing the low voltage reactive power loss.
Extend the life of the light source to extend the life of the light source can not only save a lot of money, but also greatly reduce the replacement of the lamp workload, reducing the operating costs of lighting systems, management and maintenance has become simple.
Whether the heat radiation source, or gas discharge light source, the grid voltage fluctuations is a major source of damage to the light source. Therefore, the effective suppression of grid voltage fluctuations, can extend the life of the light source.
Intelligent lighting control system can successfully suppress the surge voltage of the grid, but also with voltage limiting and yoke filter function, to avoid over-voltage and under voltage damage to the light source. Using soft-start and soft-off technology to avoid the impact of current damage to the light source. Through the above method, the life of the light source can usually be extended by 24 times.
Improving the working environment and improving the working environment Good working environment is a necessary condition for improving the efficiency of Ding. Good design, reasonable selection of light, lighting and excellent lighting control system, can improve the lighting quality.
Intelligent lighting control system to dimmer module control panel instead of the traditional flat switch control lamps, the effective control of the room within the overall illumination value, thereby improving the illumination uniformity. This type of control used within the electrical components to solve the strobe effect, will not make people uncomfortable, dizziness, eye fatigue feeling.
To achieve a variety of lighting effects A variety of lighting control can make the same building with a variety of artistic effects, for the building by color. Modern buildings, lighting is not simply to meet people's visual shade effect, should have a variety of control programs, so that the building more vivid, more artistic, giving a rich visual effects and beauty. Take a project as an example, the exhibition hall, lecture hall, lobby, atrium, etc., if equipped with intelligent lighting control system, according to their different time, different purposes, using the corresponding pre-set the scene to control, can achieve rich art effect.
Management and maintenance of intelligent lighting control system control of the lighting is based on modular automatic control, supplemented by manual control. The parameters of the lighting preset scene are stored digitally in the EPROM, and the setup and replacement of these information is very convenient, making the building's lighting management and equipment maintenance easier.
Have a higher economic rate of return we take the Shanghai area as a reference point, from the energy-saving and provincial lights made an estimate of two, come to such a conclusion: with three to five years, the owners can basically recover the intelligent lighting control The system adds the full cost. The intelligent lighting control system can improve the environment, improve staff efficiency and reduce maintenance and management costs, etc., for the owners to save a considerable cost.
2 intelligent lighting control system configuration Intelligent lighting control system is only a part of the building control system. If each control system is to be centralized to the control center to control, then the control system must have the standard communication interface and protocol text. Such system integration is theoretically feasible, but it is very difficult to implement. In the project, our building intelligent system uses a distributed, distributed way, that is, each control subsystem is relatively independent, self-contained, the implementation of specific control, building intelligent management system for each control subsystem is only a signal collection And monitoring.
At present, the intelligent lighting control system according to the network topology is broadly divided into the following two forms, bus and star-based hybrid. These two forms have their own characteristics, the bus flexibility is strong, easy to expand, control is relatively independent, low cost; mixed reliability is higher, fault diagnosis and troubleshooting is simple, access protocol is simple, high transmission rate.
Engineering design, the building's intelligent lighting control system as a separate subsystem, the use of international standards of communication interface and protocol text, incorporated into the building intelligent management system. Intelligent lighting control system using distributed, distributed way, that is, the unit's dimming control is relatively independent, self-contained, do not interfere with each other through the centralized management and information interface, and building intelligent management system connected to the building control center Signal collection and monitoring of the subsystem. In short, the intelligent lighting control system consists of centralized management, trunk lines and information interfaces and other components, the implementation of the same regional control and signal sampling network; its subsystem by the various dimming modules, control panel, illumination dynamic Detectors and static and dynamic detectors and other components, the E domain points to implement different specific control of the network. The main system and the subsystem through the information interface and other components to connect, to achieve data transmission.
3 intelligent lighting control system control range and control content of an office building project using intelligent lighting control system control range mainly include: Ding. Arts hall, computer center and other important room, lecture hall and other multi-purpose hall, exhibition hall, conference center, foyer and atrium, walkway and elevator hall and other common parts; building general and facade lighting is also provided by the intelligent lighting control system switch signal To control.
Clock control: through the clock manager and other electrical components to achieve the normal working conditions for the various areas of the lighting time on the different control of the automatic control of the control: through each dimming module and the light dynamic detector and other electrical components in the normal state Under the E area for the normal working conditions of the automatic dimming control, so that the area of the illumination will not change with the external factors such as changes in the sun, always maintained at the illumination preset value or so. ) E field scene control: through each of the dimming modules and control panels and other electrical components in the normal state of the region for the normal state of the lighting of the scene lighting control.
Static and dynamic detection control: through each dimming module and static and dynamic detectors and other electrical components in the normal state of the region for the normal working conditions of the automatic lighting control D emergency state reduction control: through each of the normal Lighting control of the dimming module and other electrical components to achieve in the emergency state of the K within the normal working conditions for the number of lighting and the need to give up dimming control.
Manual remote control: through the infrared remote control in the normal state of the region for the normal working conditions of the lighting control and regional control of the scene.
Emergency lighting control: refers to the intelligent lighting control system for emergency control of the special area of the implementation of the control, including the following two controls: the normal state of the automatic adjustment of illumination and E domain scene control, with the adjustment of normal working lighting control The same time in the emergency state of the automatic release dimming control, through each of the emergency lighting control of the dimming module and other electrical components to achieve in the emergency state of the region for emergency work status of the lighting to give up dimming control, So that in the emergency state of emergency lighting to 100% .4 Conclusion The above is the intelligent lighting control system characteristics of the analysis and in an office building in the specific application of some experience, hoping to play the role of brick, so that the technology in the Lighting the field to give full play to its role.
(Continued from page 68) 4.5 to improve the management level to reduce maintenance costs The intelligent lighting control system can be achieved in the central control room and the scene at the same time control, regional lighting control is very convenient, lighting status and lighting technical parameters at a glance. Control hall lighting management to achieve intelligent to reduce the maintenance staff, improve the maintenance and management level. In addition, the lamp life extension of the control hall 69 meters of lamp installation height, maintenance costs savings is obvious.
Although the intelligent lighting control system a one-time investment is higher, but the energy savings, operation and maintenance costs, management efficiency will bring great investment returns to the owners D 5 Conclusion Control Hall Intelligent lighting control system works in 2004 Year in January through the initial acceptance, the owners of the overall perception to give a very evaluation, a number of experienced controllers to the scene of the lighting system on-site lighting experience, the light environment quality, scene switching effects, daylight compensation and ease of operation Are feeling very satisfied. As the control of the seats on the process equipment has not been installed, the equipment will be installed after the light environment some impact, and other equipment installation and debugging, and then set a variety of scenes to make further adjustments to achieve the best, most comfortable, most energy the goal of.
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