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Ultraviolet detection method for shell bacteria-carrying eggs and device thereof

A technology of carrying bacteria and shells, which is applied in the field of egg detection, can solve the problems such as green detection technology for egg shells that have not yet been found, and achieve the effects of reasonable and feasible design, improved food safety, and easy operation.

Inactive Publication Date: 2010-12-15
HUAZHONG AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Searching the existing literature, no green detection technology for detecting bacteria in poultry egg shells has been found

Method used

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  • Ultraviolet detection method for shell bacteria-carrying eggs and device thereof
  • Ultraviolet detection method for shell bacteria-carrying eggs and device thereof
  • Ultraviolet detection method for shell bacteria-carrying eggs and device thereof

Examples

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Embodiment 1

[0022] A method for detecting whether egg shells are bacteria-carrying, the steps are as follows:

[0023] 1) In a dark box (3) whose inner wall is black, the left and right walls are respectively horizontally equipped with an ultraviolet light source (2) with a wavelength of 256nm and a power of 12w (voltage 220V). A CCD digital camera (4) is housed in the box, which is connected to an image acquisition card through a data line, and the image acquisition card is inserted in a computer (5) slot, and a detection point (1) is arranged at the bottom of the dark box, The detection point is located directly below the lens of the CCD digital camera (4), and the detection point is used to place eggs to be detected;

[0024] 2) Take the ultraviolet image of the tested egg with the CCD digital camera, and transmit the ultraviolet image data to the image acquisition card, and the computer reads the ultraviolet light of the examined egg from the image acquisition card. image data;

[0...

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Abstract

The invention discloses an automatic detection method for shell bacteria-carrying eggs and a device thereof. The purpose of intelligent and non-destructive detection of the shell bacteria-carrying eggs is fulfilled by using the machine vision technology through a series of image processing and establishment of an identification mode. The method comprises the following steps of: shooting reflected ultraviolet images of the detected poultry eggs by using a digital camera, transmitting information to a computer through an image acquisition card, performing a series of image processing by the computer, and then establishing an automatic identification mode according to the statistical data and the set related parameters. The device for implementing the method consists of a detection point, a camera bellows, an ultraviolet light source, the digital camera and the computer. Whether the egg shells carry bacteria is identified by using an ultraviolet lamp as a light source, using black color for the camera bellows as a background, acquiring the images of the eggs in the camera bellows under the irradiation of the ultraviolet light source through the camera and establishing the identification mode. The method and the device realize non-destructive automatic detection of the shell bacteria-carrying eggs difficultly identified by naked eyes, the accuracy reaches 99 percent, and the method and the device are applied to the egg product processing and quality detection industry.

Description

technical field [0001] The invention belongs to the technical field of poultry egg detection, and specifically relates to a method and device for non-destructive testing of poultry egg quality. It can accurately identify eggs with plaque and clean eggs, and provides a green detection technology for clean agricultural products entering the supermarket. Background technique [0002] There are many kinds of dirt on the shell surface of poultry eggs. Obvious dirt such as mud, feces, blood spots, feathers, etc. are easy to be found. However, there are many bacteria hidden on the surface of eggshells, which are difficult to detect with the naked eye. Some shells are bright. Eggs are not so clean. If the mother poultry is infected with intestinal diseases, the eggshell surface of the eggs under it usually has germs. Bacteria-infected eggs are dirty eggs, and the country will issue relevant safety and quality standards for poultry eggs. Dirty eggs with shell bacteria need to be rem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/08
Inventor 王巧华王树才陈红朱涛
Owner HUAZHONG AGRI UNIV
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