Grain Moisture Detection Device Based on Skewer
A technology of detection device and grain skewer, which is applied to measurement devices, instruments, scientific instruments, etc., can solve problems such as long time required, inability to be directly applied, and unreliable measurement results.
Inactive Publication Date: 2019-03-01
LIAONING INST OF SCI & TECH
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Problems solved by technology
These methods have high detection accuracy and are suitable for laboratory detection, but they take a long time and cannot be directly applied on site
At present, when purchasing grain in China, there are still hand-touching and teeth-biting, and the moisture content of the grain is judged by experience, and the measurement results are extremely unreliable
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[0034] As shown in the figure, the present invention includes a grain skewer, which includes a rear end handle and a front insert body; the front end of the insert body is a conical tip, and the rear is a semi-closed space of a circular groove; the semi-closed space of the insert body The inner wall of the space is provided with a bar-shaped capacitive sensor along the length direction of the insertion body; the output port of the capacitive sensor is connected with the input port of the capacitance detection circuit outside the grain cutter, and the output port of the capacitance detection circuit is connected with the A / D conversion circuit The output port of the A / D conversion circuit is connected with the signal input port of the single-chip microcomputer, the display signal output port of the single-chip microcomputer is connected with the display signal input port of the LED display part, and the button signal input port of the single-chip microcomputer is connected with t...
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Abstract
A grain moisture content detection device based on a grain picker belongs to the technical field of grain moisture content detection, and in particular relates to the grain moisture content detection device based on the grain picker. The invention provides the grain moisture content detection device based on the grain picker, being capable of improving grain collecting efficiency. The grain moisture content detection device comprises the grain picker which comprises a rear end handle and a front inserting body; the front end of the inserting body is a tapered pointed end, the rear of the inserting body is a semi-closed space in the shape of a circular groove; the inner wall of the semi-closed space of the inserting body is provided with a strip-shape capacitive sensor along the length direction of the inserting body; the output port of the capacitive sensor is connected with the input port of a capacitive detection circuit outside the grain picker, the output port of the capacitive detection circuit is connected with the input port of an A / D conversion circuit, the output port of the A / D conversion circuit is connected with the signal input port of a single chip computer, the display signal output port of the single chip computer is connected with the display signal input port of an LED (light-emitting diode) display part, and the keying signal input port of the single chip computer is connected with a key.
Description
technical field [0001] The invention belongs to the technical field of grain moisture detection, in particular to a grain moisture detection device based on a grain skewer. Background technique [0002] When purchasing grain, it is necessary to test the moisture content of grain. Excessive water content of grain wastes transportation capacity and storage capacity, promotes vigorous food life activities, and easily causes grain heat, mildew, insects and other changes. Due to the high moisture content, hundreds of millions of kilograms of grains were moldy and deteriorated during transportation and storage, resulting in huge losses. Grain moisture is an important quality indicator, and it is necessary to detect the moisture content of grains during transportation, storage and processing of grains. Therefore, the detection of grain moisture is of great significance. [0003] The traditional grain moisture detection is to detect the absolute moisture content of the sample by ...
Claims
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IPC IPC(8): G01N27/22
CPCG01N27/223
Inventor 律德财徐国新高长伟
Owner LIAONING INST OF SCI & TECH