System Composition

1. System Function Composition

The system consists of lighting control subsystem, equipment monitoring subsystem, energy consumption analysis subsystem, expert analysis subsystem and asset management subsystem.

2  Lighting Control Subsystem

   2.1 Auto-Run: Control according to sunrise and sunset

Through the astronomical clock calculation formula, as long as we know the latitude and longitude value and time of a certain place, we can accurately calculate the sunrise and sunset time of that place. According to this time, we can turn off the lights at sunrise and turn on the lights at sunrise;

Except for the equator,  South Pole and North Pole, the sunrise and sunset times in other regions are different every day, making it possible to automatically and accurately adjust the time to turn on and turn off every day;

Due to the different altitude/obstacles, and transition thresholds requirement in each region, the sunrise and sunset offset time is introduced to fine-tune the calculated value.

This scheme is suitable for outdoor or semi-outdoor environments that require all-day lighting; such as: street lighting, square lighting, room lighting with sufficient daylight, etc.

2.2 Auto-Run: Control by the Schedule

The Timetable Control Scheme is that the user sets the working hours of the day according to the Lighting Needs, and sets the illuminance value of the lamps during the working hours at the same time.

This scheme is suitable for environments with regular changes in illuminance; such as factory lighting, office lighting, etc.

2.3 Intelligent Assistance - according to natural light control scheme

Collect the illuminance of natural light, when the collected illuminance value is greater than the light-on threshold, the system turns on the light; when the collected illuminance value is less than the light-off threshold, the system turns off the light.

This scheme is suitable for outdoor or semi-outdoor environments, rainy days or unusual weather conditions; such as: street lighting, square lighting, room lighting with sufficient daylight, etc.

2.4 Intelligent Assistance-according to the illuminance control scheme of the working surface. 

Collect the illuminance of the working surface: when the collected illuminance value is greater than the illuminance threshold, the system decreased the lamp brightness until the collected illuminance value is close to the illuminance threshold; when the collected illuminance value is less than the illuminance threshold, the system increased lamp brightness until the collected illuminance value close to the illuminance threshold.

This scheme is suitable for semi-outdoor environments with high requirements for working surface illumination; such as assembly line lighting, office lighting, etc.

3.  Complete System Architecture：

1/6:   Control by Sunrise & Sunset, Schedule  

2/6:   Automatic Dimming by Motion Sensor  

3/6:   Day Light Intensity Compenstation       

4/6:   3rd Party Linkage + Camera Detector    

5/6:   Hybrid Communication Channels    

6/6:   Touch Screen Solutions