System for measuring yield of stored grain based on single chip nicrocemputer and electric tray

A technology of electronic disk and single-chip microcomputer, which is applied in the direction of agricultural machinery and implements, harvesters, measuring devices, etc., can solve the problems of difficult installation of combine harvesters, output errors of weighing sensors, and very sensitive external excitations, etc., and achieves simple and reliable structure High performance and strong anti-interference ability

Inactive Publication Date: 2005-11-16
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

This is a weighing grain mass flow sensor, but due to the large mass of the sensor device itself, it is very sensitive to external stimuli such as the vibration of the combine harvester frame and the acceleration of travel
Moreover, the uneven ground will cause the combine harveste

Method used

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  • System for measuring yield of stored grain based on single chip nicrocemputer and electric tray
  • System for measuring yield of stored grain based on single chip nicrocemputer and electric tray
  • System for measuring yield of stored grain based on single chip nicrocemputer and electric tray

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Embodiment Construction

[0013] like figure 1 , figure 2 As shown, the present invention includes: a main controller 1 with a single-chip microcomputer as the core, a speed sensor 2, an output sensor 3, a humidity sensor 4, a header state sensor 5, a GPS receiving module 6, an electronic disk storage module 7, a power supply 8, and a control box 9. The shielding wire 10, its connection relationship is: the main controller 1, the electronic disk storage module 7 and the power supply 8, which are composed of a single-chip microcomputer as the core, are all double-layer PCB boards, and are fixed inside the control box 9 by insulating screws. 9 is set in the cab of the harvester, the speed sensor 2 is set on the wheel of the harvester, and the walking speed value of the harvester is obtained by measuring the number of wheel rotations per unit time; Real-time online measurement of grain output at the outlet of the device; capacitive humidity sensor 4 is also installed in the granary to measure the humidi...

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Abstract

A grains yield estimating system based on single-chip microprocessor and disc storage is composed of speed sensor for measuring the speed of harvester, impulsive yield sensor for real-time measuring the yield of grains, capacitor-type humidity sensor for measuring the humidity of grains, harvesting branch state sensor, GPS module, disc storage module and master controller.

Description

technical field [0001] The invention relates to an online grain yield measuring device, in particular to a grain yield measuring system installed on a combine harvester based on a single-chip microcomputer and electronic disk storage. It belongs to the technical field of measuring devices. Background technique [0002] In agricultural production practice, due to the differences in soil fertility, irrigation, pests and diseases at each location, the yield distribution of the same field is often uneven. However, this phenomenon is generally ignored in traditional farming methods. Evenly fertilizing, irrigating, and spraying pesticides in the entire farmland make the amount of fertilizer deficient still insufficient; while in places with sufficient nutrients, too much fertilizer can not be fully absorbed by the crops. Utilization will also cause soil acidification and environmental pollution. Precision agriculture is a new type of advanced agricultural technology system forme...

Claims

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Application Information

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IPC IPC(8): A01D41/127
Inventor 刘成良苗玉彬周俊
Owner SHANGHAI JIAO TONG UNIV
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