一种三维点胶方法

By combining flight altimetry with a 2D camera and altimeter, a 3D model is reconstructed for height compensation, solving the problems of time-consuming and costly edge detection in dispensing systems and achieving efficient and low-cost 3D dispensing.

CN117593366BActive Publication Date: 2026-07-17XIMENG TECHNOLOGY (SHANDONG) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIMENG TECHNOLOGY (SHANDONG) CO LTD
Filing Date
2023-10-11
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the existing technology, the dispensing system takes a long time to detect the edge contour of the product, and the height information cannot be measured by using a 2D camera, resulting in insufficient dispensing position accuracy. In addition, the existing height compensation method increases the cost of the dispensing system and the CT time.

Method used

By employing a flight altimetry method combined with a 2D camera and altimeter, height compensation is performed by reconstructing a 3D model. The height compensation algorithm, combined with flight edge detection and altimetry, reduces overall CT time, improves dispensing accuracy, and lowers costs.

Benefits of technology

It achieves high-precision dispensing, minimizes the cost of 3D dispensing equipment and overall CT time, and improves work efficiency.

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Abstract

本发明提供一种低成本三维点胶方法,包括步骤S1,设定运动点需要被飞拍的标准位置P以及边缘检测特征点A;步骤S2,将拍照设备和被拍摄物体之间相对的飞拍速度设置为V1,其中拍照设备为2D相机;步骤S3,通过机台标定测得相机和测高仪的相对位置VectorLaser,将相机位置坐标变换为测高装置的位置坐标H;步骤S4,移动测高装置至各个测高位,若该测高位不平,无法稳定测高,则需要就近调整到满足测高要求的位置,并重新得到测高装置的新位置坐标H′;步骤S5,根据步骤S3和步骤S4测高装置的位置坐标差得到测高装置的补偿量O=H'‑H;步骤S6,运行飞拍程序,获得边缘检测特征点的Z向坐标,将补偿量对Z向坐标进行补偿。
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