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Control method of LED public lighting system and device thereof

A technology of LED lighting and public lighting, which is applied in lighting devices, energy-saving control technology, lamp circuit layout, etc., and can solve problems such as short service life of equipment, unfavorable energy saving and consumption reduction, environmental protection, and large power consumption

Inactive Publication Date: 2010-04-28
保定市大正太阳能光电设备制造有限公司
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Problems solved by technology

Although due to the low energy consumption characteristics of light-emitting diodes, LEDs are being increasingly used in public lighting systems, LED public lighting systems usually use constant power for lighting control, and do not adjust the lighting brightness according to actual usage conditions. The method consumes a lot of power, and the service life of the equipment is short, and the maintenance cost is high, which is not conducive to energy saving and environmental protection

Method used

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  • Control method of LED public lighting system and device thereof
  • Control method of LED public lighting system and device thereof
  • Control method of LED public lighting system and device thereof

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Embodiment Construction

[0017] Below, refer to Figure 1 ~ Figure 3 The control method of the high-power LED public lighting system of the present invention will be described.

[0018] refer to image 3 , the LED public lighting system of the present invention comprises regulated power supply, CPU, LED constant current controller, EEPROM, multiple groups of LEDs, wherein regulated power supply provides constant voltage for the system, the energy-saving power supply time of previous 16 days is stored in EEPROM, CPU It can read and store data in EEPROM, correct the energy-saving power supply time of the day through the read data, and update the data in EEPROM. The CPU outputs PWM control instructions to the LED constant current controller, and the LED constant current controller controls the LED. For lighting control.

[0019] refer to figure 1 and figure 2 , The step power value corresponding to the usage (time) of the LED public lighting system is set and stored in the CPU, for example, output a...

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Abstract

The invention relates to a control method of an LED public lighting system, which is characterized in that according to a use condition of the LED public lighting system, when the LED public lighting system has high use efficiency, high power is output, and when the LED public lighting system has low use efficiency, power is reduced step by step for controlling to form an energy conservation power supply timetable in which the use conditions of the LED public light system correspond to stepped power value through that a PWM mode is used for controlling the LED lighting system.

Description

technical field [0001] The invention relates to a control method for an LED public lighting system, in particular to a method for controlling the LED public lighting system by changing power according to usage conditions. Background technique [0002] At present, mercury lamps, sodium lamps, metal halide lamps and energy-saving lamps are widely used in public lighting systems for lighting. Although due to the low energy consumption characteristics of light-emitting diodes, LEDs are being increasingly used in public lighting systems, LED public lighting systems usually use constant power for lighting control, and do not adjust the lighting brightness according to actual usage conditions. The method consumes a lot of electricity, and the service life of the equipment is short, and the maintenance cost is high, which is unfavorable for energy saving and consumption reduction and environmental protection. Contents of the invention [0003] Considering the above problems, the ...

Claims

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Application Information

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IPC IPC(8): H05B37/02
CPCY02B20/42Y02B20/40
Inventor 黄瑞东马学禄王子洋
Owner 保定市大正太阳能光电设备制造有限公司
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