Bird egg crack detection device and method by utilizing volatile matter

A crack detection and volatile matter technology, applied in the field of egg shell crack detection, can solve the problems of low production efficiency, large amount of artificial damage, and difficulty in detection, achieve accurate non-destructive detection, overcome damage detection, and eliminate subjective factors the effect of interference

Inactive Publication Date: 2009-04-29
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of method not only has high labor intensity, low production efficiency, and large amount of man-made damage, but also the detection accuracy is easily affect

Method used

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  • Bird egg crack detection device and method by utilizing volatile matter
  • Bird egg crack detection device and method by utilizing volatile matter
  • Bird egg crack detection device and method by utilizing volatile matter

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Embodiment Construction

[0021] The basic principle of the invention is to use the principle of volatile matter easily produced by small cracks to perform non-destructive testing. Both the surface of the eggshell and the egg membrane of the egg have pores. After the eggshell of the poultry egg has small cracks, the internal substances of the egg are more likely to volatilize through the egg membrane and cracks. Based on the volatile matter of poultry eggs, the invention can well realize the non-destructive detection of small cracks in poultry eggs.

[0022] The poultry egg eggshell crack detection device utilizing volatile matter of the present invention is mainly composed of a computer 1, an activated carbon filter 2, a first built-in pump 3, an air storage tank 4, an air valve 5, a material container 6, a changeover switch 8, an air Sensitive sensor array 9, second built-in pump 10, data collector 11 and A / D converter 12. Wherein, the activated carbon filter 2, the first built-in pump 3, the gas st...

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PUM

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Abstract

The invention discloses a device for detecting cracks on a poultry egg shell by using a volatile matter and a method thereof. The detection device mainly comprises a computer, an activated carbon filter, a first built-in pump, a gas tank, an air valve, a material container, a switch, a gas sensor array, a second built-in pump, a data acquisition unit and an A/D converter. The data acquisition unit acquires response signals of the gas sensor array; the signals are transmitted to the computer after being conditioned and converted through the A/D converter so as to extract a representative characteristic value in a curve of each sensor; by taking the extracted characteristic value as an input value, a visualized distinguishing is performed by using a principal component analysis and a linear discriminant function; and a pattern recognition is performed by using a classical BP algorithm and a BP neural network based on a genetic algorithm. The method excludes the interference caused by subjective factors of manual operation and overcomes the shortcoming of destructive detections, thereby achieving the non-destructive detection on fine cracks on the poultry eggs nondestructively and accurately.

Description

technical field [0001] The invention relates to a technology for detecting cracks in poultry egg shells, in particular to a device and method for detecting cracks in poultry egg shells using volatile matter. Background technique [0002] Because the eggshell is thin and fragile, once broken, bacteria will quickly invade and multiply, causing corruption and deterioration of poultry eggs. Therefore, the damage detection of poultry eggs is one of the important links in the production, management and processing of poultry eggs. According to reports, the poultry eggs that my country buys every year account for more than 10-15% of the purchase amount due to the loss caused by spoilage. Therefore, the crack detection of poultry eggs is very necessary. [0003] At present, domestic and foreign industrial production mainly relies on manually removing stained eggs under light, and identifying and removing damaged eggs by observing, rotating and touching eggs, and listening to the so...

Claims

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Application Information

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IPC IPC(8): G01N33/08
Inventor 王俊陆秋君
Owner ZHEJIANG UNIV
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