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内蒙古京泰发电有限责任公司

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№ CN122977056AInvention
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基于超声波回波分析的皮带堵煤状态检测方法及装置

本发明涉及超声波分析技术领域，公开了一种基于超声波回波分析的皮带堵煤状态检测方法及装置。该方法：向皮带输送机导料槽发射线性调频超声信号，对接收到的煤料反射回波与线性调频超声信号进行差频分析，得到第一差频矩阵并进行加窗处理，得到第二差频矩阵；对第二差频矩阵执行快速傅里叶变换，得到目标功率谱矩阵；根据目标功率谱矩阵计算煤料堆积上边界高度、静止煤料能量占比和堆积高度增长率，并依据煤料堆积上边界高度、静止煤料能量占比和堆积高度增长率确定煤料状态。本发明有效克服了现有技术因缺乏速度维信息而无法区分瞬时料峰与真实堵煤工况的技术问题，进而降低了误报率和漏报率。

❖内蒙古京泰发电有限责任公司赵永清; 王广龙; 张殿朝; 张雪雨; 张照琦; 李超; 乔磊Oct 27, 2026§ 2/10 ClaimsB65G 43/02 (2006.01), G01S 15/88 (2006.01), B65G 15/32 (2006.01) +2