A method and system for measuring moisture content of wood based on millimeter wave radar technology

By using a 60GHz millimeter-wave radar system and a vertical antenna array, the problems of slow speed, low accuracy, and damage in traditional wood moisture content measurement have been solved, achieving efficient, accurate, and non-destructive wood moisture content measurement and image display.

CN122409704APending Publication Date: 2026-07-17OUTLAND (SHANDONG) INSTRUMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
OUTLAND (SHANDONG) INSTRUMENT CO LTD
Filing Date
2025-01-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional methods for measuring the moisture content of wood are slow, inaccurate, and can damage the wood. Existing microwave technology still has room for improvement in terms of accuracy and non-destructiveness.

Method used

Employing a 60GHz millimeter-wave radar system, combined with a vertical antenna array and signal processing unit, the system achieves non-contact, efficient, and accurate measurement of wood moisture content by analyzing electromagnetic wave reflection characteristics and dielectric constant changes.

Benefits of technology

It enables efficient, accurate, and non-destructive measurement of wood moisture content, adapts to different wood types, and provides intuitive images of moisture distribution.

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Abstract

木材含水率是影响木材性能和质量的关键因素之一。在木材加工和相关行业中，准确测量木材的水分含量对于确保产品质量至关重要。传统的木材含水率测量方法存在一定局限性，如测量速度慢、精度低、对木材造成损伤等。目前除了人工方法外还包括微波技术。相比微波技术，毫米波雷达技术测木材含水率潜在优势包括：具有比微波更强的穿透能力，抵抗力更强，可以在更宽的频率范围内选择最佳的工作频率，以适应不同的木材类型和含水率测量需求。因此，研究一种高效、精确、无损的木材含水率测量技术具有重要的现实意义。
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