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Automatic height measurement device for crops

An automatic height measurement and crop technology, which is applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of determination error, intersection problem, noise and other problems at the top of the crop canopy, and achieve accurate and complete crop height data, wide application range, cost reduction effect

Inactive Publication Date: 2011-09-07
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

Therefore, the device is only suitable for measuring the height of the crops directly below the sensor, and because the ultrasonic ranging sensor itself has some shortcomings, such as reflection problems, noise, crossing problems, etc., it will bring great influence to the determination of the top of the crop canopy. errors, which in turn affect the results of height measurements

Method used

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  • Automatic height measurement device for crops
  • Automatic height measurement device for crops
  • Automatic height measurement device for crops

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Embodiment Construction

[0033] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0034] This embodiment is carried out on the premise of the technical solution of the present invention, and the detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0035] Such as figure 1 , 2 , 3, the automatic crop height measuring device of the present invention includes a base part, a transmission part, a sensing part, a control part and a display part. The base part is a basic support structure, and the transmission part, sensing part, control part and display part are arranged on the base part 1 . The control part controls the movement of the transmission part by issuing instructions, drives the sensing part to scan and measure the crops, obtains the measurement data and returns it to the control part 4, and the control part automatica...

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Abstract

The invention discloses an automatic height measurement device for crops. The device is used for automatic measurement of crop height. The device comprises a pedestal, a transmission part, a sensing part, a control part and a display part; the transmission part, the sensing part, the control part and the display part are arranged on the pedestal; the control part sends instructions to control the operation of the transmission part and drives the sensing part to scan and measure the crops so as to acquire measurement data, and the sensing part returns the measurement data to the control part; and the control part calculates and processes the returned measurement data to acquire the crop height, and outputs the crop height to the display part to display. The device can accurately determine the canopy tops of the crops at the same time of ensuring low hardware cost and finish automatic measurement of the crop height.

Description

technical field [0001] The invention relates to a measuring device in the field of agricultural meteorological observation, in particular to an automatic height measuring device for crops. Background technique [0002] In the field of agricultural meteorological observation, plant growth height is one of the symbols to measure the growth rate of crops. Currently, during the entire growth period of the crops, the height of the crops is measured manually. This method is not only cumbersome to operate and imposes a heavy burden on observers, but also introduces human errors into the measurement results. [0003] Patent document 200810059040.8 discloses a method for detecting the plant height of crops. The photoelectric scanning system is used to continuously scan the crops, and the state of the optical receiver is scanned from top to bottom to extract the edge height data of the current position of the plant. This method is more suitable for crop mechanization operations, suc...

Claims

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Application Information

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IPC IPC(8): G01B11/02G01B17/00
Inventor 曹治国余正泓鄢睿丞朱磊张雪芬薛红喜李翠娜
Owner HUAZHONG UNIV OF SCI & TECH
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