Good energy saving effect
The main purpose of the intelligent lighting control system is to save energy. The intelligent lighting control system uses various "pre-set" control methods and control components to accurately set and manage the illumination of different environments at different times to achieve energy saving. This method of automatically adjusting the illuminance makes full use of the natural light outside, and only lights up or points to the required brightness when necessary, and uses the minimum energy to ensure the required illuminance level. The power saving effect is very obvious, generally reachable. More than 30%. In addition, the intelligent lighting control system performs dimming control on fluorescent lamps, etc. Since the fluorescent lamp adopts the dimmable electronic ballast with active filtering technology, the harmonic content is reduced, the power factor is improved, and the low voltage reactive loss is reduced. .
Extend the life of the light source
Extending the life of the light source not only saves a lot of money, but also greatly reduces the workload of replacing the lamp, reduces the operating cost of the lighting system, and makes management and maintenance simple.
Whether it is a thermal radiation source or a gas discharge source, fluctuations in the grid voltage are a major cause of source damage. Therefore, effectively suppressing fluctuations in the grid voltage can extend the life of the light source.
The intelligent lighting control system can successfully suppress the surge voltage of the power grid, and also has functions such as voltage limitation and yoke filtering to avoid damage to the light source caused by overvoltage and undervoltage. The soft start and soft turn-off techniques are used to avoid damage to the light source caused by the inrush current. By the above method, the life of the light source can usually be extended by 2 to 4 times.
Improve work environment and improve work efficiency
A good working environment is a necessary condition for improving work efficiency. Good design, reasonable selection of light sources, lamps and excellent lighting control systems can improve the quality of lighting.
The intelligent lighting control system replaces the traditional flat switch control luminaire with the dimming module control panel, which can effectively control the overall illuminance value in each room, thereby improving illuminance uniformity. At the same time, the electrical components used in this control method also solve the stroboscopic effect, and will not cause discomfort, dizziness, and eye fatigue.
Achieve a variety of lighting effects
A variety of lighting control methods can make the same building have a variety of artistic effects, adding a lot to the building. In modern buildings, lighting is not simply to meet the visual and dark effects of people. It should also have a variety of control schemes to make buildings more vivid and artistic, giving people a rich visual effect and aesthetics. Take a project as an example. If the exhibition hall, lecture hall, lobby, atrium, etc. in the building are equipped with intelligent lighting control system, according to their different time, different purposes and different effects, the corresponding pre-set scenes can be used for control. Achieve rich artistic effects. Easy management and maintenance
The intelligent lighting control system controls the lighting mainly with modular automatic control. The manual control is supplemented. The parameters of the lighting preset scene are stored in the EPROM digitally. The setting and replacement of these information is very convenient, and the lighting of the building is made. Management and equipment maintenance has become easier.
Have a high economic return
Taking the Shanghai area as a reference point, we have only made an estimate from the two aspects of energy saving and provincial lighting. We have come to the conclusion that with three to five years, the owners can basically recover all the added items of the intelligent lighting control system. cost. Intelligent lighting control systems can improve the environment, improve employee productivity and reduce maintenance and management costs, and save the owner a considerable amount of money.
The composition of intelligent lighting control system
We know that intelligent lighting control systems are just one part of the building's control system. If each control system is to be centralized in the control center for control, each control system must have a standard communication interface and protocol text. Although such system integration is theoretically feasible, it is very difficult to implement. Therefore, in the project, our building intelligent management system adopts a distributed and distributed mode, that is, each control subsystem is relatively independent, self-contained, and implements specific control. The building intelligent management system is relatively independent of each control subsystem. Self-contained, implementing specific control, the building intelligent management system only plays a signal collection and monitoring role for each control subsystem.
At present, the intelligent lighting control system is divided into two types according to the topology of the network, namely, a bus type and a hybrid type based on a star structure. These two forms have their own characteristics, the bus type is more flexible, easy to expand, the control is relatively independent, and the cost is lower; the hybrid reliability is higher, the fault diagnosis and elimination are simple, the access protocol is simple, and the transmission rate is relatively high. high.
In the engineering design, we consider the building's intelligent lighting control system as an independent subsystem, using the international standard communication interface and protocol text, into the building intelligent management system. The intelligent lighting control system adopts distributed and distributed mode, that is, the dimming control of each unit is relatively independent, self-contained, and does not interfere with each other. Through the centralized manager and information interface, it is connected with the building intelligent management system to realize the building control center. Signal collection and monitoring of this subsystem. In short, the intelligent lighting control main system should be a network consisting of centralized manager, main line and information interface, and implement the same control and signal sampling network for each area; its subsystem should be a variety of dimming modules. The control panel, the illuminance dynamic detector, and the dynamic and static detectors are configured to implement different specific control networks for each region. The main system and the subsystem are connected by means of information interfaces and the like to realize data transmission (see the figure). 1, Figure 2)
Control range and control content of intelligent lighting control system
The scope of intelligent lighting control system control in a project mainly includes the following categories: craft office hall, computer center and other important computer rooms, lecture halls and other multi-purpose halls, exhibition halls, conference centers, foy halls and atriums, walkways and elevator halls. The building's overall and facade lighting is also controlled by the intelligent lighting control system providing switching signals.
Control content noun interpretation:
(1) Clock control
Different electrical control of the lighting fixtures for normal operating conditions in each zone is achieved by electrical components such as a clock manager.
(2) Illumination automatic adjustment control
Through the electrical components such as each dimming module and illuminance dynamic detector, the automatic dimming control of the lighting fixtures for normal working conditions in each area under normal conditions is realized, so that the illumination in the area does not follow the sunshine and the like. Changes in factors change and remain at or around the preset value of illumination.
(3) Regional scene control
Through each electrical component such as the dimming module and the control panel, scene switching control of the lighting fixtures for normal working conditions in each area in a normal state is realized.
(4) Dynamic and static detection control
Through the electrical components such as each dimming module and motion detector, automatic switching control of the lighting fixtures for normal working conditions in each area under normal conditions is realized.
(5) Emergency state reduction control
Through each electrical component such as a dimming module that controls normal lighting, it is possible to control the amount of lighting fixtures for normal working conditions in each zone and to abandon dimming in an emergency state.
(6) Manual remote control
Through the infrared remote controller, manual control and regional scene control of the lighting fixtures for normal working conditions in each area are realized under normal conditions.
(7) Control of emergency lighting
The control here mainly refers to the control performed by the intelligent lighting control system on emergency lighting in a special area, including the following two controls:
1) The automatic adjustment illuminance and area scene control under normal conditions are the same as those for adjusting the normal working lighting fixtures.
2) The automatic de-dimming control in the emergency state, through each of the electrical components such as the dimming module for emergency lighting control, realizes the control of abandoning dimming for the lighting fixtures used for emergency working conditions in various areas in an emergency state, Make emergency lighting in an accident state 100%. The above is the analysis of the characteristics of the intelligent lighting control system and some experience in the specific application of an office building, hoping to play the role of throwing bricks and jade, so that this technology can fully play its role in the field of lighting.
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