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Method and apparatus for non-destructive testing of fruit internal properties by laser

A non-destructive testing and fruit technology, applied in the measurement of scattering characteristics, etc., can solve the problems of inconvenient operation and inability to detect fruit damage, and achieve the effect of reducing the cost of classification, facilitating promotion and use, and easy operation.

Inactive Publication Date: 2009-06-10
CHINA AGRI UNIV
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Problems solved by technology

[0004] There is also near-infrared online detection technology that has not been popularized and applied. The principle is to place a near-infrared camera in a camera room for online fruit detection. The fruit enters the camera room through a conveying device. The information of the fruit collected by the near-infrared camera is processed. Determine sugar acidity and ripeness inside the fruit
[0005] The main problems of the existing fruit grading mechanism are: the near infrared cannot detect the internal damage of the fruit; the image of the fruit must be processed by image processing technology, which is not easy to operate
At present, there are no articles or similar patent publications on the method and device of laser non-destructive inspection of fruit internal characteristics

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  • Method and apparatus for non-destructive testing of fruit internal properties by laser

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Embodiment Construction

[0015] The invention relates to a method and a device for laser non-destructive detection of internal characteristics of fruits. exist figure 1 In the schematic diagram of the device structure shown, the laser transmitter 1 is placed on the metal ring 2, the metal ring 2 is placed on the fruit 5 placed in the dark room, the string 4 is set on the fruit 5, and the pin 3 used as a mark is placed on the thin The surface of the fruit 5 near the rope 4;

[0016] The method for the laser non-destructive detection of the internal characteristics of the fruit is

[0017] 1) Prepare a dark room maintained at room temperature ± 22°C, and ensure that there is no visible light in the room;

[0018] 2) The laser emitter 1 emits a laser with a wavelength of 670nm and a power of 10mw to the fruit 5. The laser propagates inside the fruit 5 and produces a bright area on the fruit surface. Use the pin 3 as a mark to make a mark at the end of the area. mark, take out the perimeter of the brig...

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Abstract

The invention discloses a method and apparatus for using laser to do nondestructive inspection to the fruit inner character in the field of nondestructive inspection technology. It arranges a laser sender into an indoor darkroom and a metal ring on the surface of the fruit. When the laser sender works, it touches the sending surface of the laser beam and the metal ring, uses safety-pin to label the transmitting range boundary of the fruit inner part, and uses the leptctene to measure the ring of the area; it then compares the transmitting area of the nondestructive fruit to the fruit inner part and statistics the data and compares the result by drawing.

Description

technical field [0001] The invention belongs to the technical field of optical non-destructive testing. In particular, it relates to a laser non-destructive detection method and device for fruit internal characteristics based on the propagating properties of laser light inside the fruit. Background technique [0002] To provide consumers with high-quality fruits is a multidisciplinary approach that requires multidisciplinary knowledge such as agronomy and horticulture. [0003] The previous non-destructive testing technology mainly uses near-infrared detection of the internal components of fruits, such as the detection of acidity and maturity of fruit sugar. The quality of the fruit is judged by using the different light intensity of the fruit in different wave bands. [0004] There is also near-infrared online detection technology that has not been popularized and applied. The principle is to place a near-infrared camera in a camera room for online fruit detection. The fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/49
Inventor 籍保平庆兆珅玛纽依拉·祖德孟超英
Owner CHINA AGRI UNIV
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