Detecting method for detecting station for edging defect on back layer of rear view mirror

A technology for detection stations and detection methods, applied in the field of intelligent detection, can solve the problems of large limitations of manual detection methods, difficult detection of weak defects, dust and electrostatic influence, etc., to ensure inspection accuracy, avoid secondary pollution, Guaranteed quality effect

Inactive Publication Date: 2019-01-11
SHANGHAI UNIV OF ENG SCI
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Problems solved by technology

[0003] The invention provides a detection method for the detection station of the edging defect of the back layer of the rearview mirror, which solves the limitations of the existing manual detection method, which takes a long time, makes it difficult to detect weak defects, and is easily affected by dust in the air. and electrostatic effects

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  • Detecting method for detecting station for edging defect on back layer of rear view mirror
  • Detecting method for detecting station for edging defect on back layer of rear view mirror
  • Detecting method for detecting station for edging defect on back layer of rear view mirror

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[0025] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0026] See attached figure 1 , the present invention provides a kind of detection method that is used for rearview mirror backside layer edging defect detection station, comprises the following steps:

[0027] Step 1, using the suction cup adsorption mechanism 1 to place the rearview mirror 4 to be detected on the detection station 2, and using a black and white camera to obtain the image of the rearview mirror to be detected;

[0028] The rearview mirror 4 to be detected is transported by a transmission mechanism 3 that adopts a double-layer conveyor belt. One conveyor belt is used to transmit the rearview mirror 4 to be detected, and the other conveyor belt is used to transmit defective product rearview mirrors. The suction cup adsorption mechanism 1 is arranged on the transmission Mechanism 3 include...

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Abstract

The invention belongs to the technical field of intelligent detection and discloses a detecting method for a detecting station for an edging defect on a back layer of a rear view mirror. The detectingmethod comprises the following steps: (1), placing a to-be-detected rear view mirror on the detecting station by using a sucker adsorption mechanism, and acquiring an image of the to-be-detected rearview mirror by using a black-and-white camera; (2), denoising and normalizing the image, inputting the denoised and normalized image to a neural network detection model for defect detection, and displaying a detection result by a display;(3), eliminating the to-be-detected rear view mirror by using the sucker adsorption mechanism if the to-be-detected rear view mirror is detected to be a defective product; and(4), repeating the steps (1)- (3) to detect defects of the next to-be-detected rear view mirror. By using the method disclosed by the invention, the full automation of detection for theedging defect on the back layer of the rear view mirror is realized, the accuracy rate of detection is guaranteed, meanwhile, the detecting efficiency is increased, and the production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of intelligent detection, and in particular relates to a detection method for a detection station of edge grinding defect on the rear back layer of a rearview mirror. Background technique [0002] Automobile rearview mirror detection is an important environment for the production of automobile rearview mirrors. It is particularly important for the safety of automobile rearview mirrors. At present, the production of rearview mirrors has formed an integrated scale and realized mechanical automation. The detection of defects and defective products has been mainly manual detection because there is no reliable detection technology. Since there are many types of defects in rearview mirrors, and the defects are relatively small, manual inspection will often result in missed inspections and false inspections. Moreover, due to the non-closed nature of the manual inspection environment, the rearview mirror is likely ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88
CPCG01N21/8851G01N2021/8887
Inventor 郑尧成赵波张伟伟
Owner SHANGHAI UNIV OF ENG SCI
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