Street lamp control concentrator based on low voltage power line carrier communication technology

Abstract

The invention relates to a street lamp control concentrator based on a low voltage power line carrier communication technology. The street lamp control concentrator adopts embedded design and integrates the functions of an embedding microcontroller technology, a power line carrier technology, a GPRS (general packet radio service) wireless communication technology and the like. The street lamp control concentrator can be used for receiving a control instruction sent by a management center through a GPRS communication module or an Ethernet communication module, respectively realizing three-phase street lamp control through three single-phase power line carrier modules, and returning the data replied by a street lamp to the management center through the GPRS communication module or the Ethernet communication module; the three single-phase power line carrier modules have the function of power fault detection, thereby realizing three-phase electrical phase loss detection; and the phase loss information can be sent to the management center timely through the GPRS or Ethernet communication way, thus, the reliability of the downlink communication of the concentrator and a street lamp control system is enhanced. The concentrator provided by the invention is simple in operation, convenient in use, and has widely practical value and application prospect in the technical field of power system street lamp control.

Description

technical field [0001] The concentrator relates to power line carrier communication technology, and realizes communication between Ethernet, GPRS and power line carrier network through corresponding data processing by a microprocessor. technical background [0002] In most lighting systems in China, the control of street lamps is mostly realized by a combination of manual switches in distribution transformer boxes and automatic switches such as time relays. Such a control method not only requires manpower for supervision and management, but is also easy As a result, all the street lamps on a road section are all bright or all dark, and it is impossible to individually and effectively control the street lamps on the corresponding road section according to the needs, resulting in loss and waste of electric energy. In order to effectively control large-scale lighting street lamp groups on urban main roads, save the cost of laying control lines and save electricity, it is a bett...

AI Technical Summary

Problems solved by technology

Since a three-phase carrier modulation module is used, once the module fails, the three-phase circuits will not work normally, and the phase loss detection cannot be performed. When a certain phase circuit is out of phase, the error information cannot be fed back in time.

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