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Street lamp illumination automatic controller and street lamp illumination control method

A technology for controllers and street lamps, applied in energy-saving control technology, circuit layout, lamp circuit layout, etc., can solve the problems of not realizing energy saving, not considering traffic conditions, etc., and achieve the effect of enhancing applicability

Active Publication Date: 2009-09-30
BEIJING EFFI LED OPTO ELECTRONICS TECH
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AI Technical Summary

Problems solved by technology

As we all know, pedestrians and vehicles on the road are greatly reduced after midnight. The above two control methods still need to light up the street lights and maintain a certain brightness. This method is too simple and does not take into account the local traffic conditions at that time. energy saving

Method used

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  • Street lamp illumination automatic controller and street lamp illumination control method
  • Street lamp illumination automatic controller and street lamp illumination control method
  • Street lamp illumination automatic controller and street lamp illumination control method

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Embodiment Construction

[0027] see figure 1 The street lamp brightness adjustment system 100 of the present invention includes an LED array 40 and a power module 10 , and a driver 30 and a controller 20 connected between the LED array 40 and the power module 10 for driving the LED array 40 . The power supply module 10 is a constant current source module, which may be a solar battery, a DC storage battery, or various switching power supplies. The controller 20 includes an adjustment module 201 for generating a brightness adjustment signal 202 according to changes in local actual traffic flow, so that the driver 30 uses the brightness adjustment signal 202 to adjust the brightness of the LED array 40 . The adjustment module 201 includes a rewritable memory or a write-once memory for storing brightness adjustment programs. The brightness adjustment signal 201 is a pulse width modulation signal, and the driver 30 adjusts the brightness of the LED array 40 by changing the working ratio of the LED array 4...

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Abstract

The invention provides a street lamp illumination automatic controller and a street lamp illumination control method. The controller comprises a regulation module which is used for generating an illumination regulation signal according to the change of local real traffic flow so as to make a driver regulate the illumination of an LED array through the illumination regulation signal. The technical proposal controls the illumination of street lamps according to the statistical data of vehicle density, thereby further reducing the power consumption of the street lamps and achieving the energy-saving aim. The technical proposal is particularly suitable for expressways.

Description

technical field [0001] The present invention relates to an energy-saving street lamp, and more specifically to a street lamp brightness adjustment system, an automatic street lamp brightness controller and a control method. Background technique [0002] According to statistics, in 2006, my country's total power generation was 2,834.4 billion kWh, of which lighting electricity consumption accounted for about 12% of the total electricity consumption of the whole society, while public lighting electricity consumption for urban roads accounted for about 30% of the entire lighting electricity consumption. In 2006, my country's road lighting electricity consumption has exceeded 100 billion kWh. Street lights, which are widely used on urban roads and highways, consume a lot of power, so they are also a problem that people have been paying attention to. [0003] At present, the control system of street lamps mainly adopts the methods of time control and light control. Light control...

Claims

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Application Information

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IPC IPC(8): F21V23/00H05B37/02F21W131/103F21Y101/02F21Y115/10
CPCY02B20/40
Inventor 茅于海
Owner BEIJING EFFI LED OPTO ELECTRONICS TECH
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