Fowl egg crack rapid on-line nondestructive detection device and method based on acoustic characteristic

A technology of non-destructive testing and acoustic characteristics, used in the generation of ultrasonic/sonic/infrasonic waves, testing food, testing eggs, etc., to achieve comprehensive information and strong repeatability.

Inactive Publication Date: 2009-04-22
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these are all basic research in the laboratory, and there is still a long way to go before realizing on-line detection in industrial production.

Method used

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  • Fowl egg crack rapid on-line nondestructive detection device and method based on acoustic characteristic
  • Fowl egg crack rapid on-line nondestructive detection device and method based on acoustic characteristic
  • Fowl egg crack rapid on-line nondestructive detection device and method based on acoustic characteristic

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Embodiment

[0046] The present invention takes eggs as an implementation example, and the detection of other poultry and egg products can refer to the method of this implementation example, specifically for the evaluation standards of the samples tested, a new knowledge base is established, and the products of this type can be tested.

[0047] Immediately select a batch of eggs, first judge the crack status of the eggs according to the conventional manual inspection, and record the location and size of the cracks in detail, and then use these eggs as standard samples to conduct non-destructive testing with a non-destructive testing device based on acoustic principles , start the stepper motor 1 to knock the egg shell, the sound signal of the knock is collected by the microphone 4 and enters the sound card for amplification, filtering and A / D signal conversion, and finally input into the computer analysis system. Carry out preprocessing such as independent component analysis and wavelet cha...

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Abstract

The invention discloses a device used for quick online nondestructive detection on cracks of poultry eggs on the basis of acoustic characteristic and a method thereof; the poultry egg is arranged on a supporting idler wheel; a stepping motor is connected with the supporting idler wheel and drives the supporting idler wheel; a microphone which is arranged beside the poultry egg is sequentially connected with a computer by a signal amplifier, a filter and an A/D converter; when the poultry egg rolls on a chain, different parts of the poultry egg are mechanically knocked at multi-point by a knocking rod; sound signals collected by the microphone are amplified by the signal amplifier, filtrated by the filter and converted by the A/D converter and subsequently input to the computer, thus comprehensively judging the cracking situation of the poultry eggs. The device and the method can adapt to poultry eggs with different types and different sizes, realize the classification and automatic detection of the poultry eggs during the production processing and circulation process, and can be popularized and applied to the nondestructive detection on the hardness and the maturity of agricultural products such as fruits, vegetables, and the like.

Description

technical field [0001] The invention relates to a detection of poultry egg cracks, in particular to an on-line rapid non-destructive detection device and method for poultry egg cracks based on acoustic characteristics. Background technique [0002] Poultry eggs are a nutritious food suitable for all ages, but at present, both the export volume of fresh eggs and the deep processing of poultry eggs are relatively small. The main reason is that the standardized processing facilities and methods of poultry eggs are relatively backward. During the production, operation and processing of poultry eggs, poultry eggs are easily damaged. In the detection of broken poultry eggs, eggshell cracks are the most difficult to identify, but they have a great impact on egg quality. As time goes on, the cracks of damaged eggs will change from small to large, and microorganisms can easily invade the eggs from the cracks, resulting in reduced freshness and even spoilage. Therefore, the rapid an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/34G01N33/08
Inventor 赵杰文陈全胜蔡健荣黄星奕邹小波
Owner JIANGSU UNIV
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