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Method and apparatus for testing water ratio of corn

A technology of moisture content and grain, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of inaccurate measurement of grain moisture content, large detection error, etc., and achieve simple device, convenient operation, and wide testing range big effect

Inactive Publication Date: 2007-05-16
SOUTH CHINA AGRI UNIV
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Problems solved by technology

However, the existing methods for detecting the moisture content of grains can only meet the requirements of accuracy when the moisture content of the grains is 13% to 24%, and when the moisture content of the grains is lower than 13% or higher than 24%, the existing The detection error of the method is relatively large, and the moisture content of the grain cannot be accurately measured

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  • Method and apparatus for testing water ratio of corn
  • Method and apparatus for testing water ratio of corn
  • Method and apparatus for testing water ratio of corn

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Embodiment Construction

[0032] The present invention will be described in further detail below in conjunction with the examples, but the embodiments of the present invention are not limited thereto.

[0033]The end surface of the feeding disc 3 is provided with a seed-receiving groove, and the feeding disc rotates in the longitudinal section during detection, and the grains are sent to the two pressure roller sensors 1 one by one by the seed-receiving grooves evenly distributed on the outer end surface of the feeding disc. between.

[0034] As shown in Figure 1, the pressure roller sensor 1 is a pair of cylindrical rollers processed from stainless steel. During the measurement, the two pressure roller sensors 1 rotate inwardly, and the two pressure roller sensors are two electrodes, and the potential difference applied thereon is V = R X R i + ...

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Abstract

This invention discloses one corn water content test method and device, which comprises the following steps: sending one pair of corn for relative rotation with electrical position roller sensor; through conversion to get corn real time resistance time sequence change curve; through analysis to describe curve characteristics peak or peak area to compute corn water rate; processing temperature compensation to get compensated corn water rate; its test device mainly comprises roller sensor, temperature meter, measurement circuit and output display.

Description

technical field [0001] The invention relates to the field of grain detection, in particular to a method and a device for detecting the moisture content of grain. Background technique [0002] The precise detection technology of grain moisture content has always been a technical problem in the field of grain drying, processing and circulation. How to reliably and accurately detect the moisture content of grain is one of the key factors affecting the development of grain processing industry. At present, the detection methods of grain moisture content include microwave method, infrared method, capacitance method, neutron method and resistance method. The common disadvantage of microwave method, infrared method and capacitance method is that it is greatly affected by the shape, thickness, density and moisture distribution inside the grain. When the temperature changes greatly and the moisture distribution inside the grain fluctuates greatly, the detection of these methods The p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/02G06F19/00
Inventor 李长友班华
Owner SOUTH CHINA AGRI UNIV
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