Analyzer for cereal and oil plants and working method thereof

A working method and analyzer technology, applied in the field of grain analyzers, can solve problems such as inability to meet detection, small light spots, and inability to insert detection, and achieve the effects of satisfying online automatic detection requirements, fast and accurate analysis results, and reducing labor intensity.

Inactive Publication Date: 2012-01-11
杭州杰唐信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The Chinese patent with the publication number CN201788147U proposes a light-transmitting optical fiber measuring probe-type soil nutrient tester. This type of instrument is only suitable for liquid detection and cannot meet the requirements for solid detection.
The Chinese patent application number CN200720093240.6 discloses an ethanol gasoline optical fiber photoelectric analyzer for detecting ethanol gasoline components. The probe is used to detect liquid components and is not suitable for detecting agricultural products; A hand-held near-infrared measuring probe and detection method for non-destructive testing of the internal quality of fruits. Although the device is suitable for the detection of solids such as fruits, it cannot be inserted into the interior of the measured object for detection
The Chinese patent with the publication number CN101055245A discloses a portable soybean analyzer. Specifically, soybeans after traditional sampli

Method used

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  • Analyzer for cereal and oil plants and working method thereof
  • Analyzer for cereal and oil plants and working method thereof
  • Analyzer for cereal and oil plants and working method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] figure 1 The basic structure diagram of the grain and oil crop analyzer of the embodiment of the present invention is schematically given. Such as figure 1 As shown, the analyzer includes:

[0050] A host, the host includes a light source 1 , an optical path switching device, a spectrometer 4 , and an analysis and control unit 5 . The optical path reference and measurement work is completed through the optical path switching of the optical path switching device, as follows:

[0051] figure 2 , 3 The basic structural diagram of the optical path switching device is schematically given, such as figure 2 , 3 As shown, the optical path switching device includes a coaxial rotor 22 and a stator 21 , and the rotor 22 is driven by a stepping motor 26 . The rotor 22 is provided with a first optical fiber interface 222 and a second optical fiber interface 221 at an equal radius, which are respectively connected to at least one outgoing optical fiber and at least one incid...

Embodiment 2

[0068] Figure 6 The basic structure diagram of the portable grain and oil crop analyzer of the embodiment of the present invention is schematically given. Such as Figure 6 Shown, described analyzer differs from embodiment 1 in that:

[0069] 1. The base part 31 is provided with a groove 30, which is convenient for accommodating grain or oil to be tested.

[0070] 2. The light-emitting end of at least one outgoing optical fiber and the incident end of at least one incident optical fiber face the grain or oil to be measured in the groove.

[0071] The working method of the analyzer of the embodiment of the present invention, described working method is different from embodiment 1 in that:

[0072] In step (A1), when at least one measuring probe is inserted into the grain or oil to be measured, the groove faces downward; when the at least one measuring probe is inserted into the set depth, the at least one measuring probe is rotated so that the to-be-measured probe at the se...

Embodiment 3

[0076] An application example of the analyzer and working method according to Embodiment 1 of the present invention in the acquisition of rapeseed. The light source adopts a wide-band super-radiation SLED, and the measurement band is 1000-1800nm. The spectrometer adopts the SupNIR-1520 spectrometer developed by Concentrating Technology (Hangzhou) Co., Ltd., using two sleeves, and the telescopic range is 1-1.5 meters. 400 outgoing optical fibers and 200 incident optical fibers are used, the light-emitting ends of the outgoing optical fibers are arranged on the base part and form a circle, and the light-entry ends of the incident optical fibers are arranged on the base part and surrounded by two circles.

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Abstract

The invention provides a portable cereal analyzer, comprising a light source, a detector and an analysis unit. The analyzer further comprises the following parts: a detecting probe, which comprises a pointed portion and a matrix portion, is used for being inserting in cereal; at least an emitting fiber, wherein, one end of the emitting fiber is connected with the light resource, and the other endis arranged on the detecting probe; and at least an incident fiber for receiving the reflected light obtained by reflecting the light emitted by the emitting fiber by the cereal and transmitting to the detector, wherein, one end of the incident fiber is connected with the detector, and the other end is arranged on the detecting probe, The analyzer can detect the internal portion of the cereal, and has the advantages of convenient operation, high automation degree and the like.

Description

technical field [0001] The invention relates to a grain analyzer, in particular to a grain and oil analyzer with a measuring probe that can be inserted into the grain or oil to be measured and a working method. Background technique [0002] Bulk grain and oil commodities such as soybeans, rapeseed, wheat, and corn urgently need rapid detection technology for quality parameters in the process of purchase, storage and transportation. Due to its fast, accurate and efficient characteristics, the near-infrared spectroscopy analysis method can meet the analysis requirements of grain and oil. [0003] At present, in the research and application of near-infrared detection technology for grain, laboratory-type near-infrared analyzers are generally used to carry out work, such as the Infratec1241 analyzer produced by FOSS Company in Denmark, the DA7200 analyzer produced by Perten Company in Sweden, and the PE Company in the United States. The SPECTRUM ONE NTS Fourier transform near-i...

Claims

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Application Information

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IPC IPC(8): G01N21/25
Inventor 周新奇杨伟伟张学锋叶华俊
Owner 杭州杰唐信息技术有限公司
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