A method for detecting abnormal sound of distributed belt conveyor
A technology of abnormal sound and belt conveyor, applied in the field of signal processing, can solve problems such as low detection efficiency, secondary hazards of missed fault detection, economic losses, etc.
Active Publication Date: 2021-11-30
BEIJING HUANENG XINRUI CONTROL TECH +1
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Problems solved by technology
[0004] At present, the factory's abnormal sound warning and fault detection when the belt conveyor fails are mainly carried out by manual inspection and listening. This method takes a long time, has low detection efficiency, and is relatively dangerous. Automated real-time monitoring, delayed early warning and missed fault detection are likely to cause secondary hazards, and even bring huge economic losses and casualties
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[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.
[0021] Aiming at the problem that it is difficult to realize full-area coverage, automation, and uninterrupted real-time monitoring of abnormal sound detection when a belt conveyor partially fails under industrial production conditions, this invention proposes a distributed belt conveyor abnormal sound detection method. Real-time detection of abnormal sound generated when a local machine fails. Through large-scale distributed networking, it can realize automatic monitoring of long-distance belt conveyors covering the whole area, which can help factory operation and maintenance personnel monitor the work of belt conveyors in real time. When there is a local fault, the location of the fault can be quickly determined for quick repair or other correct and reasonable operations. ...
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The invention provides a method for detecting the abnormal sound of a distributed belt conveyor, which uses industrial auscultation sonar to detect the abnormal sound generated when the belt conveyor partially fails in real time, and realizes the detection of long-distance belt conveyors through a large-scale distributed network. The machine realizes the automatic monitoring of the whole area coverage, helping the factory operation and maintenance personnel to monitor the working status of the belt conveyor in real time. When there is a partial failure, it can quickly determine the location of the failure for quick maintenance or other correct and reasonable operations. The invention can realize intelligence, automation, and abnormal sound monitoring of belt conveyors, and provides technical support for safe production and intelligent upgrading of industrial enterprises using belt conveyors on a large scale.
Description
technical field [0001] The invention belongs to the field of signal processing and relates to theories such as digital signal processing, acoustic signal detection, pattern recognition and support vector machine. Background technique [0002] Belt conveyor is a conveyor that uses a continuous and flexible conveyor belt to transport materials continuously. It is a common industrial equipment in traditional industrial scenes. It is currently widely used in thermal power, steel mills, coal, mining, etc. The heavy industry scenario is mainly used for long-distance automatic transportation of industrially produced materials, including raw materials such as coal and steel. The conveyor belt of the belt conveyor goes around several rollers, connects end to end to form a loop, and is tensioned by tension rollers. The conveyor belt and the material on it are supported by idler rollers arranged along the entire length of the conveyor. The driving device rotates the drive roller, and...
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IPC IPC(8): B65G43/02B65G43/00
CPCB65G43/00B65G43/02B65G2203/0275B65G2203/04
Inventor 田宏哲项彬赵霞李晓强罗凯齐开通张南马石磊孙晓刚韩建
Owner BEIJING HUANENG XINRUI CONTROL TECH