Egg quality nondestructive detection device and method based on magnetostriction technology

A magnetostrictive and non-destructive testing technology, applied in the field of egg quality testing, can solve problems such as difficult detection of fine cracks, and achieve the effect of high-precision non-destructive testing

Inactive Publication Date: 2016-03-23
NANJING AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention aims to provide a non-destructive detection device and method for poultry egg quality based on magnetostrictive technology, which enhances the information of poultry egg vibration signals through the principle of magnetostriction, and overcomes the fine cracks in poultry egg quality detection in the prior art Harder-to-detect problems

Method used

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  • Egg quality nondestructive detection device and method based on magnetostriction technology
  • Egg quality nondestructive detection device and method based on magnetostriction technology

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Embodiment 1

[0041] Such as figure 1 As shown, a non-destructive testing device for poultry egg quality based on magnetostrictive technology:

[0042]It includes a hollow shell 1, a magnetostrictive actuator 2, an audio power amplifier circuit 3, a rubber pad 4, a microphone 5, a computer 6 and a poultry egg detection software system 10, the poultry egg detection The software system 10 includes a sweeping signal generation module, a signal acquisition module, a signal processing module, a signal feature extraction module, a pattern recognition module and a display module; wherein, a magnetostrictive actuator 2 is provided above the hollow housing 1 inside, A rubber pad 4 is arranged above the magnetostrictive actuator 2, and a poultry egg 11 to be detected is placed above the rubber pad 4, and an audio power amplifier circuit 3 is arranged below the magnetostrictive actuator 2 inside the hollow housing 1. , be provided with a microphone 5 beside the hollow shell 1, the receiving head of t...

Embodiment 2

[0044] Such as figure 2 As shown, the poultry egg detection software system in the present invention includes a sweeping signal generation module, a signal acquisition module, a signal processing module, a signal feature extraction module, a pattern recognition module and a display module.

Embodiment 3

[0046] A non-destructive testing method for poultry egg quality based on magnetostrictive technology: the poultry eggs are placed on a rubber mat, and the frequency sweep signal generation module drives the magnetostrictive actuator to vibrate through the audio output port of the computer sound card and the audio power amplifier circuit to excite poultry. The egg vibrates to generate an audio signal, which is collected by a microphone and input to the audio input port of the sound card. The signal acquisition module collects the audio input signal of the audio input port of the computer sound card, and transmits it to the signal processing module, signal feature extraction module, and pattern recognition module in turn. processing, and the processing result of the pattern recognition module is sent to the display module for display.

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Abstract

The invention discloses an egg quality nondestructive detection device and method based on a magnetostriction technology, and relates to the technical field of egg detection. The device comprises a hollow shell, a magnetostrictive actuator, an audio power amplification circuit, a rubber pad, a microphone, a computer and an egg detection software system. According to the device, a computer software programming control sound card generates swept frequency excitation on the magnetostrictive actuator so that eggs placed on the magnetostrictive actuator can generate vibration audio signals, the microphone receives the vibration audio signals of the eggs and transmits the vibration audio signals into the computer in real time, and computer software performs egg quality analysis according to the vibration audio signals. According to the method, egg quality information in the audio signals is enhanced through a swept frequency vibration method, and in combination with a signal processing and mode recognition method, nondestructive detection of egg quality is achieved. The egg quality nondestructive detection device and method based on the magnetostriction technology can be applied to nondestructive detection of egg quality and particularly can achieve high-precision detection of eggs with fine cracks.

Description

technical field [0001] The invention relates to an agricultural quality detection device and method, in particular to a magnetostrictive-based non-destructive detection device and method for poultry egg quality, belonging to the technical field of poultry egg quality detection. Background technique [0002] Poultry eggs are a nutritious and easily digestible food, and their sales income occupies a certain position in the national economy. The detection of eggshell breakage in poultry eggs is very important in the sorting and packing process. The existing eggshell non-destructive testing methods include digital image recognition method and voice recognition method, both of which have replaced the traditional method of artificial naked eye selection. [0003] Among them, in terms of digital image recognition methods, the patent "Egg Quality Automatic Detection and Sorting Equipment and Its Method" (CN102179374A) discloses a method for detecting the internal and external quali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/04
Inventor 卢伟张超杜健健丁天华丁为民
Owner NANJING AGRICULTURAL UNIVERSITY
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