High-precision positioning and inspection system based on unmanned aerial vehicle applicable to transformer substation

Abstract

The invention relates to a high-precision positioning and inspection system based on an unmanned aerial vehicle applicable to a transformer substation. The high-precision positioning and inspection system comprises an unmanned aerial vehicle system, a UWB (Ultra-wide Bandwidth) positioning system and a ground operation and maintenance control center, wherein the unmanned aerial vehicle system comprises at least one transformer substation unmanned aerial vehicle capable of resisting strong electromagnetic interference, and an airborne unmanned aerial vehicle UWB label module; the UWB positioning system comprises a plurality of UWB positioning base station modules arranged at each position in the power substation, and an environment monitoring module and a wireless communication module whichare connected with the UWB positioning base station modules; the UWB positioning system and the ground operation and maintenance control center have mutual data through the wireless communication module; the unmanned aerial vehicle is wirelessly communicated with the ground operation and maintenance control center; the unmanned aerial vehicle UWB label module is communicated with the UWB positioning base station modules through emitted ultra wideband electromagnetic wave. According to the high-precision positioning and inspection system provided by the invention, high-precision positioning ofthe unmanned aerial vehicle in the transformer substation, issuing of a flight task instruction and inhibition of the strong electromagnetic interference are realized, so that state inspection of electric power equipment of the power substation is realized.

Description

technical field [0001] The invention relates to the field of unmanned aerial vehicle technology, indoor positioning technology, and power substation state inspection technology, and specifically relates to a high-precision UAV-based positioning inspection system suitable for use in substations. Background technique [0002] With the rapid development of the economy, the society's demand for electricity has increased sharply, the requirements for power quality have continued to increase, and the scale of the power grid has continued to expand. The substation is the hub of the power grid, and the regular inspection of the status of the substation is the key to ensure the normal operation of the electrical equipment in the substation. For unattended substations, most of them are located in remote mountainous areas, manual inspection requires a lot of manpower and time; secondly, because most of the substations are high-voltage, SF6 and other equipment, it will undoubtedly incre...

AI Technical Summary

Problems solved by technology

At this stage, the intelligent robot inspection technology has been introduced into the substation status inspection in substations to replace manual inspections and liberate manpower. However, robot inspections have high requirements on the terrain, and special channels need to be laid in substations. At the same time, inspection robots are used to inspect substations. There are blind spots, and it is difficult to find hidden dangers in the corners of some substations, and robot inspections are only suitable for ground inspections. For some high-level electrical equipment, inspection robots are completely useless

However, most of the communication modules of the existing UAV-based substation inspection system are GSM data transmission modules, which have a single communication mode and cannot perform data transmission in areas without GSM coverage.

Moreover, there is generally no GPS signal in the substation station, and it is difficult to achieve high-precision positioning. This will lead to the inability to accurately locate and land safely when the drone itself fails, and it is easy to cause property damage.

Images