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Conveyor belt foreign object detecting and protecting method based on video analysis

A technology for detection of conveyor belts and foreign objects, applied in the direction of conveyor objects, transportation and packaging, conveyor control devices, etc.

Active Publication Date: 2019-07-16
华夏天信物联科技有限公司
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Problems solved by technology

[0003] The present invention provides a method for detecting and protecting foreign objects in the conveyor belt system based on video analysis, which solves the problem of detecting foreign objects on the conveyor belt through a camera, and its technical solution is as follows:

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  • Conveyor belt foreign object detecting and protecting method based on video analysis
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  • Conveyor belt foreign object detecting and protecting method based on video analysis

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] like figure 1 As shown, the relevant device applied in the conveyor belt system of the present invention includes cameras installed directly above two adjacent conveyor belts, and the power control system corresponding to the camera and the conveyor belts is connected with the main control industrial computer through the switchboard. connect.

[0024] A first camera 1 is installed directly above the upstream belt 3, and a second camera 2 is installed directly above the downstream belt 4 of the upstream belt 3. The corresponding areas captured by the first camera 1 and the second camera 2 are the same.

[0025] For this reason, the first camera 1 photographs the area D1 of the upstream belt 3, and when the material in this area D1 is conveyed to the downstream belt 4, a corresponding area D2 is formed, and the second camera 2 photogra...

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Abstract

The invention provides a conveyor belt foreign object detecting and protecting method based on video analysis. According to the conveyor belt foreign object detecting and protecting method, the imageinformation of materials on two adjacent conveyor belts in a conveyor belt system is acquired, and an algorithm engine module is utilized for analysis and processing on a master-control industrial personal computer. The conveyor belt foreign object detecting and protecting method comprises the following steps: first, carrying out image denoising by adopting a Gaussian filter and carrying out imageenhancement preprocessing by adopting a Laplace operator; next, detecting a scale invariant feature point by adopting Gaussian scale space; and then, tracing the outline of a foreign object accordingto the feature point, wherein when an abnormal outline occurs, the algorithm engine module gives an alarm, records the abnormal outline, and rapidly sends a control signal to the conveyor belt systemaccording to the severity of the abnormal outline. The conveyor belt foreign object detecting and protecting method has the beneficial effects that images of the belts are acquired by utilizing cameras; the features of the images are extracted; the situation of the foreign object is found through video analysis; the alarm is timely given; the belts are timely stopped under severe conditions; andaccordingly, the foreign object alarming and belt protecting functions are achieved, and the safe and orderly production in a coal mine is guaranteed.

Description

technical field [0001] The invention relates to a method for safety protection of coal mine monitoring video, in particular to a method for detection and protection of foreign matter in a conveyor belt system based on video analysis. Background technique [0002] In the mine production process, the transportation of coal mainly relies on the transportation belt system, but during the mining process, the coal will be mixed with various impurities and foreign objects, which may cause serious damage to the belt during transportation due to their different shapes. Affect belt transportation and production. Contents of the invention [0003] The present invention provides a method for detecting and protecting foreign objects in the conveyor belt system based on video analysis, which solves the problem of detecting foreign objects on the conveyor belt through a camera, and its technical solution is as follows: [0004] A method for detecting and protecting foreign objects in a ...

Claims

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Application Information

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IPC IPC(8): B65G43/08G01V8/10
CPCB65G43/08G01V8/10
Inventor 王静宜李国颖瞿开毅张俊喆
Owner 华夏天信物联科技有限公司
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