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Device and method for accurately positioning tray holes on basis of machine vision

A technology of precise positioning and machine vision, which is applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of low positioning accuracy, poor adaptability of tray hole positioning, and low operating efficiency, so as to improve accuracy and avoid tray deviation. Shift, wide range of effects

Active Publication Date: 2019-04-19
HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a device and method for precise positioning of tray holes based on machine vision, so as to solve the problems of poor positioning adaptability of tray holes, low operating efficiency, and low positioning accuracy in industrial seedling cultivation.

Method used

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  • Device and method for accurately positioning tray holes on basis of machine vision
  • Device and method for accurately positioning tray holes on basis of machine vision
  • Device and method for accurately positioning tray holes on basis of machine vision

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Embodiment Construction

[0030] The technical solution of the present invention will be further described through specific implementation manners below in conjunction with the accompanying drawings.

[0031] Such as figure 1 Shown, a kind of hole plate hole precise positioning device based on machine vision comprises frame 8, image acquisition device, delivery device, positioning device; Described image acquisition device, positioning device are installed on frame 8, wherein image acquisition device Installed in the middle position of the frame 8, the positioning device is installed directly below the image acquisition device; the conveying device includes a servo motor 1 and a conveyor belt 2, in order to ensure that the position of the tray 7 in the forward direction remains unchanged, the conveyor belt 2 Fixing strip 3 is housed, and described fixing strip 3 length is 200mm, and width is 20mm, and spacing is 600mm, is evenly distributed on conveyor belt 2; Black distinction; the image acquisition ...

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Abstract

The invention discloses a device for accurately positioning tray holes on the basis of machine vision. The device comprises a framework, an image acquisition device, a conveying device, a positioningdevice and a control system. The conveying device is mounted on the framework, and the image acquisition device is used for acquiring images of trays; the positioning device comprises a fixed barrier,an adaptive barrier, pressure plates and photoelectric sensors for detecting the locations of the trays; the trays, the conveying device and the positioning device have different colors; the controlsystem is mounted on the framework, signals transmitted by the photoelectric sensors can be received by the control system, the image acquisition device can work under the control of the control system, and the acquired images can be processed by an image processing module of the control system, so that the tray holes can be positioned. The device has the advantage that the problems of poor tray hole positioning adaptability, low operation efficiency and positioning precision and the like of industrial seedling growing at present can be solved by the aid of the device.

Description

technical field [0001] The invention belongs to the field of intelligent agricultural equipment, and relates to a machine vision-based precise positioning device and method for tray holes. Background technique [0002] In recent years, with the development of transplanting technology, large-scale industrial seedling cultivation has become a trend. In industrial seedling cultivation, the precise positioning of the tray holes directly affects the efficiency of automatic seeding, selective transplanting and subsequent thinning operations. The existing tray hole positioning is mostly realized by manual judgment combined with purely mechanical structures, which has poor adaptability and poor operation A series of problems such as low efficiency and low positioning accuracy. In order to achieve high-precision, adaptable positioning of hole trays and improve the efficiency of industrial seedling cultivation, a new device and method for positioning hole trays is urgently needed, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G06T5/00G06T7/12G06T7/70
CPCG06T7/12G06T7/70G01B11/002G06T5/80
Inventor 姬江涛孙经纬金鑫赵凯旋李明勇程群陈凯康张巍朋朱雪峰陈幸
Owner HENAN UNIV OF SCI & TECH
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