Wireless-based online movement positioning method and wireless-based online movement positioning system in transformer substation

Abstract

The invention provides a wireless-based online movement positioning method and a wireless-based online movement positioning system in a transformer substation. The system comprises a station level server, a station level data communication gateway, a wireless AP (access point), a wireless datum point, a handheld mobile terminal and a mobile positioning and early warning node. Locations of workers in the transformer substation can be accurately positioned spatially by a space positioning method, a sampling and speed-measuring method and an average value algorithm, the positioning precision is high, and safety and reliability are also high; the handheld mobile terminal is used in a mobile positioning wireless network, the working tracks and the locations of users of the handheld mobile terminals can be monitored conveniently by monitoring personnel, and the workers can conveniently record routing inspection on detecting equipment in the transformer substation; and the wireless AP and the wireless datum node are low in power consumption and small in size and can be matched with the original equipment of the transformer substation well. The wireless-based online movement positioning system has the advantages of low cost, easiness in installation and long maintenance period.

Description

technical field [0001] The invention relates to a mobile positioning method and system thereof, in particular to a wireless-based online mobile positioning method and system in a substation. Background technique [0002] With the continuous development of power grid technology, more and more smart substations, especially unattended smart substations, are being constructed and transformed in China. However, the vast majority of smart substations in China do not have border monitoring and alarm systems for the safe operation of the staff, and there are deficiencies in the real-time monitoring of the personnel in the station during work, especially during live work. Individual scholars and companies have also proposed wireless-based positioning systems in substations, but they often limit the scope of positioning systems to plane ranges, that is, coordinate positioning based on the plane coordinate system (x, y). However, due to the needs of maintenance and online debugging in...

AI Technical Summary

Problems solved by technology

[0003] With the gradual improvement of wireless communication technology, the emergence of handheld mobile terminals has greatly facilitated the staff in the substation to read and monitor the status information and data information of primary equipment, automation instruments and online monitoring devices in the substation, and also facilitated the monitoring of substation monitoring devices. However, the hand-held mobile terminals that appear in smart substations are only isolated as debugging devices, and are not integrated into the wireless network in the substation.

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