Intelligent detection and recognition system and method for coal-rock interface of mine

An intelligent detection and recognition system for a coal-rock interface of a mine, comprising a radar antenna, an intelligent lifting support, and an operating terminal, wherein:

• the radar antenna is disposed at the top of the intelligent lifting support, and in an operating state, a radiation direction of the radar antenna is perpendicular to the surface of a to-be-detected coal seam;
• wherein the radar antenna comprises a closed housing, and a transmit antenna radiating surface, a receive antenna radiating surface, an electromagnetic wave transmitter, an electromagnetic wave receiver, a capture card, a first processor, a control unit, and a wireless router that are disposed inside the housing;
• the transmit antenna radiating surface is connected to an output end of the electromagnetic wave transmitter;
• an input end of the electromagnetic wave transmitter is connected to a first output end of the control unit
• the receive antenna radiating surface is connected to a first input end of the electromagnetic wave receiver;
• a second output end of the control unit is connected to a second input end of the electromagnetic wave receiver;
• an output end of the electromagnetic wave receiver is connected to an input end of the capture card;
• an output end of the capture card is connected to a first input end of the first processor;
• a third output end of the control unit is connected to a second input end of the first processor;
• an output end of the first processor is connected to an input end of the control unit and
• a fourth output end of the control unit is connected to the wireless router;
• the bottom end of the intelligent lifting support is fastened to the top of a shearer;
• and
• the operating terminal wirelessly conducts information transmission with the radar antenna, and the operating terminal is configured to acquire radar data of the to-be-detected coal seam collected by the radar antenna, and draw and display a coal-rock horizon occurrence curve according to the radar data.

An intelligent detection and recognition system for a coal-rock interface of a mine, comprising a radar antenna, an intelligent lifting support, and an operating terminal, wherein:

• the radar antenna is disposed at the top of the intelligent lifting support, and in an operating state, a radiation direction of the radar antenna is perpendicular to the surface of a to-be-detected coal seam;
• the bottom end of the intelligent lifting support is fastened to the top of a shearer;
• and
• the operating terminal wirelessly conducts information transmission with the radar antenna, and the operating terminal is configured to acquire radar data of the to-be-detected coal seam collected by the radar antenna, and draw and display a coal-rock horizon occurrence curve according to the radar data;
• wherein the operating terminal comprises a collection control subsystem and a human- computer interaction interface;
• the collection control subsystem comprises a microcontroller, a data acquisition module, a data processing module, and a storage module;
• the microcontroller is configured to cooperate with each module in the collection control subsystem in its operation and control display information of the human-computer interaction interface;
• the data acquisition module is configured to acquire the radar data of the to-be-detected coal seam collected by the radar antenna;
• the data processing module comprises a preprocessing unit, a seed horizon selection unit, a seed horizon tracing unit, and a coal-rock horizon occurrence curve drawing unit the preprocessing unit is configured to preprocess the radar data;
• the seed horizon selection unit is configured to select a seed horizon point according to preprocessed radar data;
• the seed horizon tracing unit is configured to conduct horizon tracing on the preprocessed radar data according to a trace correlation coefficient algorithm by using the seed horizon point as an initial reference center, and determine horizon-geographical coordinate information of all tracked trace data sequences and horizon-geographical coordinate information of an initial reference trace data sequence;
• the initial reference trace data sequence uses the seed horizon point as a center;
• the coal-rock horizon occurrence curve drawing unit is configured to draw a coal-rock horizon occurrence curve according to the horizon-geographical coordinate information of all the tracked trace data sequences and the horizon-geographical coordinate information of the initial reference trace data sequence;
• and the storage module is configured to store a data collection parameter and the coal-rock horizon occurrence curve;
• and
• the human-computer interaction interface is configured to display the coal-rock horizon occurrence curve.