A method, device and storage medium for detecting valve internal leakage in a thermal power plant
By constructing a valve spatial array coordinate system and multi-factor temperature correction, and combining visible light and infrared thermal imaging images, the system achieves automated and accurate temperature measurement for internal leakage detection of valves in thermal power plants, solving the problems of low efficiency and insufficient accuracy in existing technologies.
CN122415987APending Publication Date: 2026-07-17HUANENG MIANCHI COGENRAION CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HUANENG MIANCHI COGENRAION CO LTD
- Filing Date
- 2026-04-24
- Publication Date
- 2026-07-17
Smart Images
Figure CN122415987A_ABST
Abstract
本发明涉及一种火电厂阀门内漏检测方法、设备及存储介质，所述方法包括以下步骤：构建根据区域内阀门的相对位置构建阀门空间阵列坐标系，得到各阀门的空间阵列坐标；设置阀门区域中各阀门的阀门信息；采集阀门区域可见光图像以及红外热成像图像；基于可见光图像进行阀门目标检测，得到阀门区域的阀门检测结果，包括阀门目标检测框；将所有阀门目标检测框映射至红外热成像图像中，提取红外热成像图像中每个阀门目标检测框内的温度；对每个阀门目标检测框内的温度特征进行校正，得到校正温度；基于各阀门的空间阵列坐标将各阀门目标检测框与阀门信息进行关联，并基于各阀门的校正温度以及阀门信息，判断该阀门是否内漏。
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