Hospital construction not only needs to reflect its advanced nature in business functions, but also adapts to the trend of modern intelligent building technology development, and also needs to be intelligent in lighting control, in order to manage and create different working atmospheres, and at the same time achieve energy-saving purposes. . According to the different requirements of each functional area, various control methods are adopted for lighting control.
The system consists of six parts: system equipment, communication equipment, sensors, actuators, controllers and central monitoring equipment, and constitutes an intelligent lighting management system through the lighting bus.
All the unit devices of the system (except the power supply) have built-in microprocessors and storage units connected by a pair of signal lines (twisted pair) into a network. Each unit is set to a unique physical address and its function is set by software, and each loop load is controlled by the output unit. The input unit establishes a corresponding contact through the group address and the output component. When there is an input, the input unit converts it into a bus signal that is broadcast on the system bus, and all output units receive and make decisions to control the corresponding loop output.
1. Hospital lobby area lighting
The hospital hall is where the patient has been passing and staying for a long time. To make the patient have a stable mood, the patient should be created a quiet and comfortable environment. The clock controller is used to set various scene modes such as day, evening, night, and late night, and the daily working hours are divided according to the time period, and various lighting effects (scene modes) are combined according to the different lighting systems.
Combined with the illuminance sensor, the switch of the luminaire in the lobby can be automatically adjusted according to the indoor and outdoor illumination. When the outdoor illumination is sufficient, most of the loops in the lobby are automatically closed, and most of the loop lighting in the lobby is automatically turned off to save energy; the weather gradually darkens or rainstorms, the indoor illumination becomes dark, and the lobby lighting circuit can be automatically turned on to supplement the illumination. .
2. Public area lighting (elevator hall, corridor, bathroom, etc.)
Corridors and toilets are indispensable in hospitals. Lighting in each corridor and elevator hall area is the most energy-saving feature of intelligent lighting, and intelligent lighting systems can be effectively managed. When no smart lighting is used, when the aisle is not passing by, the lights are still on, which is a waste of power.
The intelligent lighting system can set different scenes and switch freely according to the scene. You can also set the time control. During the daytime, there is plenty of outdoor daylight. You only need to turn on the energy-saving scene mode. Only some lights are turned on. In the evening, the outdoor daylight is gradually reduced. This is the highest time of the day, the corridor lights. It should be all open. When the night is late, the flow of people is very small. In order not to affect the rest of the patient, the public lighting circuit can be turned off, and only the hidden light of the handrail can be turned on. This maximizes energy savings.
Combined with the illuminance sensor, the lighting circuit of the corridor can be managed more effectively. In the daytime, when the outdoor illumination is sufficient, in the indoor lighting area, the lighting circuit can be turned off to save energy. When there is weather such as heavy rain, the illumination is reduced, and the indoor lighting circuit can be automatically turned on to supplement the indoor illumination.
For some public areas where people walk around less in the middle of the night, the public lighting is turned off after late night to save energy, and the infrared walkway is used for real-time monitoring to achieve the effect that people come to light and people go out.
Manual control switches are available at each entrance to manually control the switching of the local fixtures as needed.
After the night in the bathroom, the infrared light can also be used to control the light. This avoids unnecessary lighting in the bathroom and brings unnecessary energy consumption to the hospital.
3, outpatient waiting hall lighting
The hospital hall is where the patient has been passing and staying for a long time. To make the patient have a stable mood, the patient should be created a quiet and comfortable environment. Reasonable lighting control scenarios can not only play a role in energy saving and emission reduction, but also enable patients to have a good medical environment, and hospital staff have a comfortable working environment.
The control module and the ambient light brightness detector are arranged, and an ambient light brightness detector is placed in an appropriate area to automatically detect the natural light intensity of the external environment, and the lighting circuit is turned off or turned on according to the set illumination, and the brightness of the energy saving lamp is adjusted. Linkage control of the lighting of the overall outpatient hall can also be automatically managed according to time, and then combined with some scene control panels (such as work scenes, morning scenes, lunch break scenes, clean scenes, etc.), reflecting the energy-saving and environmental protection concept and working environment of hospital buildings.
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