Terminal node of intelligent street lamp control system based on wireless sensor network

Abstract

The invention relates to a terminal node of an intelligent street lamp control system based on a wireless sensor network. The terminal node comprises a microcontroller. The microcontroller is connected with a voltage regulation module, a radio frequency transceiver module, an electric energy metering module, a serial storage module, a power supply module, an indicator lamp and a relay; the electric energy metering module is used for metering the electric energy of a street lamp by measuring a current value and a voltage value in a street lamp circuit, and sending the metered result to the microcontroller via an SPI (Signal Processor Interface); the microcontroller is used for storing data through the storage module; the microcontroller is communicated with another terminal node via the radio frequency transceiver module; the power supply module is connected with the microcontroller and used for supplying a working voltage; the voltage regulation module realizes the conversion among different working voltages; and the relay is used for controlling the on / off state of the street lamp. The intelligent street lamp control system made up of the terminal node disclosed by the invention has the advantages of low cost, low power consumption, high reliability and good expansibility, and is a very good solution in the field of the street lamp control system in need of low energy consumption.

Description

technical field [0001] The invention relates to a terminal node of an intelligent street lamp control system based on a wireless sensor network. Background technique [0002] Modern information technology has three foundations, namely sensor technology, communication technology and computer technology, which are respectively responsible for information collection, transmission and processing. The sensor network combines these three technologies to realize the integration of information collection, transmission and processing. The concept of a real wireless sensor network was in 1998, when the United States first proposed the concept of a wireless self-organizing sensor network in a project of the Defense Advanced Research Projects Agency (DARPA). In the 21st century, the wireless sensor network has been further developed, and our country also started the research on the wireless sensor network in 2001. The sensor network was originally developed by the needs of the militar...

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Problems solved by technology

[0003] In terms of street lamp control, our country has used manual control for a long time, which requires special personnel to stop and send power regularly, which consumes a lot of labor costs, and has the disadvantage of inaccuracy; The method of using a timer to control, but the starting time of the night in each season is different, which requires adjusting the timer according to the dark time of the season, which is not very convenient; there is also a contactor to control all street lights Or the method of a row of street lights. The disadvantage of this method is that it cannot change the brightness of the street lights in real time, and sometimes it will cause excessive lighting in the middle of the night, thus wasting a lot of energy invisibly; The method of single-chip microcomputer controlling street lamps, although this method is convenient to control, but when adding a street lamp to the street lamp system, it requires corresponding adjustments in the software and hardware of the entire system, which is a bit troublesome

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