Ultrasonic wave based underground personnel positioning and structure monitoring integrated method and system

Abstract

The invention provides an ultrasonic wave based underground personnel positioning and structure monitoring integrated method. The method is characterized in that ultrasonic wave positioning nodes discover personnel objects by monitoring frequency band ultrasonic wave signals and achieve communications with mobile terminals via the ultrasonic wave signals with communication frequency bands after discovering the objects; the mobile terminals send corresponding identification codes to the ultrasonic wave positioning nodes in response operating processes; the ultrasonic wave positioning nodes send the identification codes to an upper computer after receiving the identification codes; and the upper computer completes positioning and identification of the underground personnel according to the established positions of the ultrasonic wave positioning nodes and the identification codes. The method has the beneficial technical effects that monitoring, positioning and identification of the underground personnel are achieved by utilizing the ultrasonic wave signals, thus solving the problem that electromagnetic wave based positioning systems have low positioning precision; and meanwhile, the structure deformation online monitoring functions are integrated, and synchronous positioning and real-time monitoring of multipoint personnel and structures are supported.

Description

technical field [0001] The invention relates to an underground personnel positioning technology and a structure deformation monitoring technology, in particular to an ultrasonic-based integrated method and system for underground personnel positioning and structure monitoring. Background technique [0002] Mine accidents are very serious safety accidents, which often kill and injure groups, so units and governments at all levels have listed them as key safety supervision objects; mine disaster disposal can generally be divided into three stages, namely, the early prevention in the production process , personnel evacuation after the discovery of hidden dangers and personnel rescue after the occurrence of mine accidents, especially personnel evacuation, if the personnel evacuation can be carried out in an efficient and orderly state, the probability of underground personnel escape can be greatly increased, and casualties can be reduced. Timely evacuation of all personnel ca...

AI Technical Summary

Problems solved by technology

At present, as a monitoring method, ultrasound has been applied to structural deformation monitoring. For example, the technology disclosed in the Chinese patent No. 201110147270.1 uses the given direction of ultrasonic propagation to realize the detection of ultrasonic beam angle within the monitoring area. Deformation monitoring of all points on the surface of the structure, but its disadvantage is that it cannot realize the positioning of moving targets under the mine

[0005] The underground space deformation measurement system and the personnel movement positioning monitoring system that have been put into practical use in production are two independent systems. In addition to the high system construction cost and operation and maintenance cost, the two systems are not compatible, that is, they cannot be intuitively reflected. The relationship between the location of personnel and the location of destructive deformation, it is difficult to guide underground personnel to avoid the disaster area in time during the evacuation process

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