On-line nondestructive detection method and device for eggshell strength

A detection method and technology for eggs are applied in the field of detection of egg shell strength, which can solve the problem of no online detection method for egg shell strength, and achieve the effect of rapid detection and classification, and to meet the accuracy requirements.

Active Publication Date: 2011-08-17
JIANGSU UNIV
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  • On-line nondestructive detection method and device for eggshell strength
  • On-line nondestructive detection method and device for eggshell strength
  • On-line nondestructive detection method and device for eggshell strength

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Embodiment Construction

[0025] The present invention has universality for online non-destructive detection of eggshell strength of poultry eggs. Here, taking eggs as an example, the implementation process of the present invention for egg strength detection is introduced.

[0026] Such as figure 1 As shown, an on-line detection device for egg shell strength, the device includes a conveyor belt bracket (2), a support roller (1), a knocking track (3), an infrared emitter (4) and an infrared receiver (5), a permanent Magnetic electromagnet (6), percussion rod (7), microphone (10), amplifier circuit (11), DSP system (9); wherein the support roller (1) is on the conveyor belt, driven by the conveyor belt to roll forward; Install 4 percussion tracks (3) on the conveyor belt bracket (2), and the two sides under each percussion track are respectively connected with infrared emitters (4) and infrared receivers (5) to trigger the percussion when the eggs arrive function; the permanent magnet electromagnet (6) ...

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Abstract

The invention relates to the field of detection of eggshell strength, in particular to an on-line quick nondestructive detection method and an on-line quick nondestructive detection device for eggshell strength based on knocking response signal analysis. The device consists of an egg knocking response signal acquisition and processing hardware system and a signal analysis software system; and an egg is placed on a supporting roller and rolls and advances together with a high-speed running and horizontal conveying production line, four rails on a conveyor belt bracket finish mechanical knocking on the detected egg, a permanent electromagnet drives a knocking bar to execute the knocking command so as to realize mechanical knocking on the detected egg when the egg passes through every knocking rail, the response signals are acquired by a microphone and processed and analyzed by a digital signal processor (DSP) system, and on-line detection results of the eggshell strength are acquired through a standard library model. The eggshell knocking response signals can be comprehensively acquired and analyzed, automatic and quick detection and grading of the eggshell strength are realized, and automatic detection in the production processing and circulation processes of the eggs is quickened.

Description

technical field [0001] The invention relates to the detection field of eggshell strength, in particular to an online rapid non-destructive detection method and device for eggshell strength based on the analysis of knocking response signals. Background technique [0002] Eggs are easily damaged in the process of production, processing and sales, and harmful substances such as microorganisms can easily invade eggs from the damaged parts, resulting in reduced freshness, spoilage, and even contamination of other eggs. According to statistics, about 6% of eggs in the United States are wasted due to broken eggshells every year, causing economic losses of more than 70 million US dollars. The annual loss of eggs in my country accounts for about 10% of the total output. Therefore, breakage is one of the most important detection indicators of egg shell quality. In addition, to reduce the loss caused by eggshell damage, predict and grade the eggshell strength of eggs to avoid damage ...

Claims

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Application Information

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IPC IPC(8): G01N29/12G01N29/44G08C23/04
Inventor 林颢赵杰文任晓锋陈全胜孙力蔡健荣
Owner JIANGSU UNIV
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