Flexible touch type plant sensor, harvester and method

A sensor and harvester technology, applied in the field of sensors, can solve problems such as unfavorable accurate detection, collision damage of plants, and unfavorable harvesting of vegetables and other crops, so as to achieve accurate detection results and avoid interference

Pending Publication Date: 2020-07-17
SHANDONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the inventors have found that the excessive rigidity of the touch lever is very easy to be damaged due to entanglement of weeds or collision during detection, and at the same time, it is easy to cause collision damage to the plant body, which is not conducive to the harvest of vegetables and other crops

Method used

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  • Flexible touch type plant sensor, harvester and method
  • Flexible touch type plant sensor, harvester and method
  • Flexible touch type plant sensor, harvester and method

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0033] Example 2:

[0034] This embodiment discloses a harvester. The front end of the harvesting table is fixedly connected with the flexible touch plant body detection sensor described in Example 1 through a threaded mounting hole, and the output terminal on the housing is connected to the harvester through a connecting wire. The controller connection of the machine.

[0035] The harvesting table of the harvester is equipped with two flexible touch plant body detection sensors described in Example 1, and the movable ends of the two flexible touch plant body detection sensors are arranged close to each other, which can detect the row of the harvester. The offset can also detect the volume and outer contour of the plant body.

[0036] In another embodiment, two flexible touch plant body detection sensors described in Example 1 are installed on the harvesting table of the harvester, and the movable ends of the two flexible touch plant body detection sensors are set far away to detect...

Example Embodiment

[0037] Example 3:

[0038] This embodiment discloses a working method of the flexible touch type plant body detection sensor described in Embodiment 1. When the touch strip touches the crop plant body, it will bend and deform, and the touch strip will be squeezed after bending and deformation. The pressure strain gauges of the pressure strain gauge group, so that the pressure strain gauges generate voltage signals, each pressure strain gauge on the pressure strain gauge group can output an independent signal to the signal processor, when the crop plant body is closer to the sensor, the flexible touch The greater the bending deformation of the touch bar, the flexible touch bar will sequentially squeeze the pressure strain gauges on the strain gauge group with the increase of the bending deformation, and the maximum pressing force position will also change on the pressure strain gauge. The signal processor analyzes each The pressure change of a pressure strain gauge can analyze the...

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Abstract

The invention relates to a flexible touch type plant sensor, a harvester and a method; a shell is included, and the shell is fixedly connected with one end of a touch strip made of a flexible material; the shell is provided with an arc-shaped surface, the arc-shaped surface is provided with a pressure strain gauge set, the touch strip can touch a plant to be bent, the bent touch strip can make contact with the pressure strain gauge set on the arc-shaped surface, and the sensor cannot cause collision damage to the plant during work.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a flexible touch-type plant body sensor, a harvester and a method. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] As an important part of agricultural production, the harvester is difficult to operate and the driving intensity is high. The driver needs to constantly adjust the direction of the harvester to align it with the crop growth line to ensure smooth harvesting. In view of the cumbersome operation of the harvester, researchers have gradually developed the auxiliary driving technology of guided harvesting. At present, the detection methods that this technology mainly relies on are mostly rigid or elastic touch detection methods, which mainly collide with the crop plant body through a rigid metal or nylon plastic touch rod, causing the touch rod ...

Claims

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Application Information

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IPC IPC(8): G01B21/02G01L1/00A01D75/00
CPCA01D75/00G01B21/02G01L1/00
Inventor 李青龙闫鹏
Owner SHANDONG UNIV
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