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Mine ventilator working state monitoring system based on WT-CNN and sound and vibration feature fusion

A working state, mine ventilation technology, applied in the direction of comprehensive factory control, instruments, design optimization/simulation, etc., can solve problems such as easy omission of important data, failure to notify and alarm in real time, lack of overall detection of mine ventilators, etc., to achieve transmission efficiency High performance, high reliability and strong anti-interference ability

Pending Publication Date: 2022-08-05
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

[0003] At present, for the abnormal detection of mine ventilators, the relevant parameters of the mine ventilator are collected through a single vibration sensor or temperature sensor, the data is processed, and then uploaded to the upper computer for display. Overall detection, it is easy to miss important data, and for the failure of the mine ventilator, it is impossible to notify and alarm in real time, so as to reduce the occurrence of accidents

Method used

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  • Mine ventilator working state monitoring system based on WT-CNN and sound and vibration feature fusion
  • Mine ventilator working state monitoring system based on WT-CNN and sound and vibration feature fusion
  • Mine ventilator working state monitoring system based on WT-CNN and sound and vibration feature fusion

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Embodiment Construction

[0022] The present invention will be further explained and illustrated by specific embodiments below.

[0023] like figure 1 As shown, a schematic diagram of the overall structure of the present invention, the system is specifically composed of a collection node, an analysis node, an upper computer monitoring center and a handheld terminal. The specific implementation process of the whole system is as follows:

[0024] The collection node includes a sound sensor 1, a vibration sensor 2, a first microprocessor 301, a first communication module 401 and a first power module 501. The first power module 501 supplies the sound sensor 1, the vibration sensor 2 and the first power module 501 through wires. The microprocessor 301 is powered. After the first microprocessor 301 is powered on and initialized, it controls the sound sensor 1 and the vibration sensor 2 to collect data. The distributed audio sensing node is composed of multi-sensing, directional, and aluminum ribbon pickups....

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Abstract

The invention relates to a mine ventilator working state monitoring system based on WT-CNN and sound and vibration feature fusion. The monitoring system comprises an acquisition node, an analysis node, an upper computer monitoring center and a handheld terminal. The acquisition module comprises a distributed audio sensing node and a vibration sensing node, fuses ventilator working state audio and vibration signals, transmits data to a microprocessor of an analysis node through a wired and wireless heterogeneous communication network, and adopts a WT-CNN-based mine ventilator fault monitoring model to realize rapid processing and analysis of acquired data. The abnormal diagnosis result is uploaded to an upper computer monitoring center through the industrial Ethernet, and an upper computer interface displays the working state characteristic information of the mine ventilator in real time. The working state of the mine ventilator can be monitored in real time, the real-time alarm function is provided, and the fault occurrence rate is reduced.

Description

technical field [0001] The invention relates to the field of mine ventilator fault monitoring, in particular to a mine ventilator working state monitoring system based on WT-CNN and sound-vibration feature fusion. Background technique [0002] The mine ventilator is one of the important working equipment in the underground. The mine ventilator acts as an air conveyor in the underground, and it is the life conveyor of the underground workers. It provides the miners with circulating air, discharges coal dust, reduces the concentration of harmful gases, and ensures that In order to ensure the safe and orderly operation of underground production, it must run continuously for a long time, and it is a large-load energy-consuming equipment. In the actual operation of the mine fan, the abnormal state of the shaft, impeller, bearing, motor, etc. of the fan may cause the fan to work abnormally. Once the mine fan fails or stops working, it will directly affect the coal mine system. st...

Claims

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Application Information

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IPC IPC(8): G06F30/27G06F119/02
CPCG06F30/27G06F2119/02Y02P90/02
Inventor 李敬兆王克定郑鑫周小锋
Owner ANHUI UNIV OF SCI & TECH
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