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Corn mass flow sensor

A sensor and grain yield technology, applied in the field of sensors, can solve the problems of reduced measurement accuracy and inability to measure grain mass flow, etc., and achieve the effects of simple overall structure, reduction of strong foundation vibration interference, and improvement of damping ratio.

Inactive Publication Date: 2007-08-15
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This utility model mainly relies on the deformation of the shell caused by the force arm to measure the fluid flow, and is easily disturbed by external vibrations, resulting in a decrease in measurement accuracy. Therefore, the sensor described in this patent cannot be applied to combine harvesters to measure the quality of grain flow

Method used

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  • Corn mass flow sensor
  • Corn mass flow sensor
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Embodiment Construction

[0013] As shown in Figure 1 and Figure 2, the present invention includes: measuring finger 1, mounting plate 2, "door" shaped fixing frame 3, force measuring elastic element 4, dynamic vibration damping module 5, front-end signal transmission module 6, and housing 7 , Flange plate 8, cover plate 9, wiring socket 10, strain gauge bridge 11 and rubber pad 12. Among them, the measuring finger 1 is connected to one end of the force-measuring elastic element 4 through the mounting plate 2 and the “door”-shaped fixing frame 3, and the other end of the force-measuring elastic element 4 is fixed on the housing 7. The top of the shell 7 is a cover plate 9 and a wiring socket 10 fixed on the cover plate 9, and the bottom is a flange plate 8, and the rubber pad 12 is located between the flange plate 8 and the frame of the combine harvester. A front-end signal transmission module 6 is also arranged in the housing 7. The strain gauge bridge 11 is pasted on the elastic force measuring element 4...

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Abstract

A corn mass flow sensor belongs to technical sphere of sensor, which comprises measuring fingers, mounting plate, door shape supporting structure, elastic element, dynamic damping module, signal transmission module, crust, flange plate, cover board, connector socket, strain foil and rubber shim, wherein, said measuring fingers are connected with one side of elastic element fixed to the crust on another side through subpanel and fixed mount; said crust top is located with cover board and connector socket fixed on it and the bottom is flange plate with the rubber shim under it; said strain gage bridge sticks to the elastic element around which dynamic damping module is fixed.

Description

Technical field [0001] The invention relates to a sensor, in particular to a grain mass flow sensor which can be installed on a combine harvester to measure grain output in real time. It belongs to the field of sensor technology. Background technique [0002] Precision agriculture is currently the most attractive frontier agricultural scientific research field. In the precision agriculture technology system, accurately obtaining crop yield distribution information and measuring yield is a very important link, and one of the necessary tools to achieve this link is the grain mass flow sensor. The sensor is installed on the combine harvester, which can collect the quality flow information of cereal crops (such as wheat, rice, etc.) in real time when the harvester is harvesting, and cooperate with the GPS receiving module and the harvesting speed sensor to describe the crop yield distribution information in the field Figure, complete the data collection tasks in the precision harvest...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/86G01F1/76
Inventor 周俊刘成良苗玉彬
Owner SHANGHAI JIAOTONG UNIV
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