ARM processor-based street lamp centralized controller

Abstract

The invention discloses an ARM processor-based street lamp centralized controller. The controller comprises a power part, a man-machine interaction control part, a clock control part, an ARM9 central control part, a memory part, an LCD display part, external equipment interfaces (such as a GPRS interface, an Internet interface, a USB interface and an RS232 serial interface) and a relay control part, wherein the ARM9 central control part is used for controlling and coordinating each module to realize a preset function; the memory part is used for storing street lamp controller preset information (such as a control strategy of controlled area information and the like), working parameters of each street lamp and important historical operating data (such as failure occurrence condition, alarm record and the like); the centralized controller can previously set a street lamp switching time table, sampling time of working parameters of the street lamp and an upper limit value and a lower limit value of current for automatic alarm; RX0 and TX0 are connected with S3C2440A and a power carrier module, and RX1 and TX1 are connected with S3C2440A and a GPRS module to realize the transmission of control commands and data; and a power module is used for turning on / turning off the power at the area controlled by the street lamp controller. In the day, the street lamp stops working and a power control module cuts off a relay to prevent safety problem caused by long-term electrification of a transmission line; a man-machine interaction interface provides an on-site operation function, so system maintenance personnel can input the command through a touch screen on site to control the centralized controller and change or inquire control set information of the lighting area; and a liquid crystal display module synchronously displays the operation process and the operation result.

Description

technical field [0001] The invention relates to a street lamp control system, in particular to an intelligent control system for LED street lamps. Background technique [0002] With the rapid and stable development of my country's economy, urban lighting projects are constantly being improved and beautified. As an important part of urban lighting, street lamps are directly related to the production and life of the people and the image of the city. The traditional street lamp control and maintenance methods are far from being able to adapt to the speed of urban modernization, mainly reflected in: (1) The way of switching lights is backward: the current street lamp control still stays in manual, light control and time control methods. Affected by seasons, weather and human factors, the level of automation management is low. As a result, there will be: turn on the lights early and turn off the lights late; or turn on the lights late and turn off the lights early; (2) Data tra...

AI Technical Summary

Problems solved by technology

Traditional street light control and maintenance methods are far from being able to adapt to the speed of urban modernization, mainly reflected in: (1) The way of switching lights is backward: the current street light control still stays in the manual, light control, and time control methods

Affected by seasons, weather and human factors, the level of automation management is low

As a result, there will be: turn on the lights early and turn off the lights late; or turn on the lights late and turn off the lights early; (2) Data transmission mode: the current system uses VHF and UHF radio stations, which are easily disturbed by urban construction, resulting in adjustment and control capabilities Insufficient; (3) There is no monitoring of street lamp conditions: the existing management of lighting facilities mainly adopts the manual inspection mode, which not only has a large workload, but also wastes manpower, material resources and financial resources

The faults mainly come from reports from inspectors and complaints from citizens. They lack initiative, timeliness, and reliability. They cannot monitor the operation status of street lights in the city in real time, accurately and comprehensively, and lack effective fault warning mechanisms; (4) Monitoring level: Due to technical reasons, most systems are only at the line level, unable to achieve effective control of a single street lamp, and cannot accurately locate faulty street lamps

(5) The regional street lamp controllers of the existing street lamp system mostly use 8 / 16-bit single-chip microcomputer as the main control chip, and the control mode and system scalability are poor

However, it uses PIC12C508 microcontroller as the main control chip, which has insufficient control capability and poor system scalability.

It is still not possible to provide the market with highly informatized, networked, and highly intelligent regional street light controllers

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