A method and related device for identifying the progress of excavation of a cable trench of a photovoltaic power station

By acquiring orthophotos from photovoltaic power plants and fitting the cable trench point cloud data using the RANSAC algorithm, the problem of inaccurate judgment of cable trench excavation progress was solved, achieving high-precision construction progress assessment and management support.

CN122134995APending Publication Date: 2026-06-02华能(嘉峪关)新能源有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
华能(嘉峪关)新能源有限公司
Filing Date
2024-11-30
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In existing technologies, there is a discrepancy between the plane fitting of the excavation progress of cable trenches for photovoltaic power plants and the actual location, which leads to inaccurate judgment of construction progress and affects construction quality and operational efficiency.

Method used

By acquiring orthophotos of the photovoltaic power station, the location of the cable trench is located using a semantic segmentation model. After obtaining point cloud data and performing noise reduction processing, the Random Sampling Consensus Algorithm (RANSAC) is used for plane fitting. Combined with the original design drawings, the excavation progress data of the cable trench is obtained.

Benefits of technology

It improves the accuracy of cable trough plane fitting, reduces human intervention, realizes intelligent data processing, and can quickly and accurately obtain cable trough excavation progress data, reduce error risk, and improve construction efficiency and construction quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a method and related apparatus for identifying and calculating the excavation progress of cable trenches in photovoltaic power plants, belonging to the field of photovoltaic power generation technology. The method acquires orthophotos of the photovoltaic power plant and locates the cable trench; obtains point cloud data of the cable trench based on its location; performs plane fitting using the point cloud data to obtain the target plane of the cable trench; and compares the target plane with the original design drawings to obtain the excavation progress data of the cable trench. This invention can acquire cable trench excavation progress data in real time, providing timely and accurate information support for the construction and management of photovoltaic power plants. Furthermore, this method has a certain degree of flexibility and can adapt to the needs of cable trench excavation progress identification in photovoltaic power plants of different scales and types.
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