Force measurement type online grain water sensing device

Abstract

The invention discloses a force measurement type online grain water sensing device which comprises a shell, wherein a grain sampling device is arranged in the shell and comprises a force measurement sensor and two roller wheels; the force measurement sensor is fixed in a front opening of the shell, and is used for measuring an extruding force borne by grains between the two roller wheels; the two roller wheels are arranged at the front surface of the force measurement sensor in parallel by two wheel axles, oppositely rotate, and are used for extruding the grains falling between the two roller wheels to deform and transmitting the extruding force to the force measurement sensor; and a power transmission mechanism is arranged in the shell, sequentially connected with the two wheel axles, and used for driving the two wheel axles to oppositely rotate. The force measurement type online grain water sensing device has the beneficial effects that a signal measured by adopting the force measurement type online grain water sensing device is transmitted stably, reliably and accurately without an electric brush; the stability is good, high-precision measurement can be realized; the structure is simple, the process is easy, and the requirements on measured grains and a measurement environment are low; and the detection of water and hardness of the grains can be realized through advanced calibrations of different manners by the sensing device.

Description

technical field [0001] The invention relates to a grain moisture sensing device, in particular to a force-measuring online grain moisture sensing device suitable for continuous on-line moisture detection in the grain drying process. Background technique [0002] Moisture is one of the important indicators of grain quality. It not only affects the physiological changes of grain grains, but also affects grain storage, processing, and subsequent grain productization. Grain with too much moisture is prone to heat and mildew, and an appropriate amount of grain moisture can ensure the smooth progress of grain storage, processing, and productization. Water in food crops exists in two forms, namely bound water and free water. When the grain moisture content is higher than the safe moisture content, part of the water molecules in the grain exist in the form of free water, and when the moisture content is lower than the safe moisture content, it can generally be regarded as existing ...

AI Technical Summary

Problems solved by technology

Moreover, this type of moisture meter has high requirements for the measurement environment, and temperature, humidity, etc. will affect the accuracy of the measurement results.

[0004] A comprehensive analysis of the detection principle and process of the current online grain moisture sensor device generally has problems such as inaccurate measurement, high processing difficulty, high requirements for the measured grain and the measurement environment, and inaccurate measurement results, which are not conducive to the realization of online grain moisture. Measurement

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