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Online grain moisture content detection system and method based on temperature and humidity inversion

A detection system, temperature and humidity technology, applied in the direction of testing food, measuring devices, material inspection products, etc., can solve the problems of high cost, complex structure, and inability to arrange densely, so as to reduce labor costs, easy operation, and strong reliability Effect

Active Publication Date: 2015-03-25
杭州泽大仪器有限公司
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AI Technical Summary

Problems solved by technology

At present, the grain moisture detection in the grain pile has not yet realized rapid detection and automatic control. The grain moisture detection of large storage grain piles such as shallow round warehouses and flat warehouses usually uses sampling-type detection instruments, such as infrared and halogen heating weighing heavy-duty instruments, which cannot achieve continuous On-line detection and unattended operation, other online instruments based on capacitance and microwave detection principles have complex structures and high costs, and cannot be densely arranged in grain piles

Method used

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  • Online grain moisture content detection system and method based on temperature and humidity inversion
  • Online grain moisture content detection system and method based on temperature and humidity inversion

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Embodiment Construction

[0024] as attached figure 1 As shown, taking four temperature and humidity detection units as an example, the No. 1 temperature and humidity detection unit 1 includes the No. 1 temperature detection unit 2 and the No. 1 humidity detection unit 3, and the No. 1 temperature detection unit 2 is responsible for collecting the temperature data of the No. 1 point. Or an analog signal, the No. 1 humidity detection unit 3 is responsible for collecting the humidity digital or analog signal of the No. 1 point; the No. 2 temperature and humidity detection unit 4 includes No. 2 temperature detection unit 5 and No. 2 humidity detection unit 6, No. 2 temperature detection unit 5 is responsible for collecting the temperature digital or analog signal of the second point, the second humidity detection unit 6 is responsible for collecting the humidity digital or analog signal of the second point; the third temperature and humidity detection unit 7 includes the third temperature detection unit 8 ...

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Abstract

The invention provides an online grain moisture content detection system and method based on temperature and humidity inversion. The system comprises a core micro-controller and temperature and humidity detection units, wherein the temperature and humidity detection units comprise temperature detection units and humidity detection units; the core micro-controller comprises a temperature and humidity data acquisition and processing unit, a timer unit, a grain balance moisture content calculation unit, a historical temperature and humidity data and historical grain balance moisture content data storage unit, a grain moisture content compensation calculation unit, a historical grain moisture content data storage unit and an upper computer communication interface unit. The system can be automatically timed to detect the grain moisture content in each position in a grain mass without manual sampling detection, is high in accuracy, can be used for simultaneously detecting a plurality of sites, and fills up the current blank of online intelligent grain moisture detection in China.

Description

technical field [0001] The invention relates to the technical field of research and development of intelligent monitoring equipment for grain storage, in particular to an online grain moisture detection system based on temperature and humidity inversion and a method thereof. Background technique [0002] Grain moisture detection is of great significance to grain purchase, transportation, storage, and processing trade. Excessive moisture wastes transportation capacity and storage capacity, promotes vigorous life activities of grain and oil, and easily causes grain heat, mildew, insects and other biochemical changes. In my country, due to the imperfection of moisture detection technology, tens of billions of catties of grains are moldy and rotten during transportation and storage due to high moisture content every year, causing huge losses. The grain moisture is too low, which reduces the grain weight and affects the grain quality. Therefore, moisture has always been an impo...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/02G01D21/02
Inventor 李杰卢航卢山
Owner 杭州泽大仪器有限公司
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