A method for judging broken chain based on frequency converter and AI algorithm of scraper machine

Abstract

The present invention provides a method for judging chain breakage based on a frequency converter of a scraper conveyor and an AI algorithm, which includes the following steps: S1: the frequency converter is connected to the driving motor of the scraper conveyor, and the output of the driving motor during operation is obtained through the frequency converter Torque T q , motor current I m , motor speed V m ;S2: The inverter will output torque T q , motor current I m , motor speed V m Pass it to the intelligent judgment module A, and the intelligent judgment module A completes the extraction of the eigenvalue of the broken link fault through the built-in preset dictionary D and the corresponding eigenvalue matrix X, and gives a fault judgment signal to feed back to the inverter; S3: the inverter Judging whether to shut down in time according to the signal feedback obtained, and feed back the broken link information to the host computer. The present invention can detect the broken chain of the scraper machine with the help of the original sensor of the frequency converter without adding an additional sensor system, and can stop the operation of the scraper machine at the fastest speed, thereby reducing the risk of broken scraper machine. Post-chain maintenance workload.

Description

technical field [0001] The invention relates to a processing method for chain breakage of a scraper machine, in particular to a chain breakage judging method based on a frequency converter of a scraper machine and an AI algorithm. Background technique [0002] The scraper machine is a transportation machine used in the coal mining face. It is mainly used for transporting along the trough in the coal mining face and mining area, and can also be used in the driving face of coal roadway and semi-coal rock roadway. The scraper machine used in coal mine adopts steel channel, open type, which is convenient for the coal mined by the shearer to fall on the scraper conveyor. The steel channel adopts a double-chain structure to pull wear-resistant steel plates. equipment. Due to the heavy load of the scraper machine, the load changes greatly, which often leads to the breakage of the link chain. After the chain breaks, if the chain break cannot be detected in time, the chain will co...

AI Technical Summary

Problems solved by technology

[0007] The present invention provides a chain-breaking judgment method based on the frequency converter of the scraper machine and the AI ​​algorithm, which is used to solve the problem that the chain-breaking fault of the scraper machine can be accurately detected without additional sensors. The technical solution is as follows:

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