摘要
空气源热泵的高效除霜是技术难题,准确测量霜层厚度可为除霜控制提供最可靠依据.总结和分析了现有基于霜层测量的除霜技术手段,包括数字千分尺、游标尺、扫描探针显微镜、激光测厚、中子射线、光电转换、传感器、图像处理、声学信号和人工智能等,对其各自优势及局限性进行了比较分析,为今后空气源热泵基于霜层测量的除霜控制研究提供参考.
Abstract
The efficient defrosting of air-source heat pump is a technical problem,and accurate measurement of frost layer thickness can provide the most reliable basis for the selection of defrost control points.This paper summarizes and analyzes the existing defrost control methods based on frost layer measurement,including digital micrometer,vernier ruler,scanning probe microscope,laser thickness measurement,neutron ray,photoelectric conversion,sensor,image processing,acoustic signal and artificial intelligence.Its advantages and limitations are compared and analyzed,which provides a reference for the future research direction of defrost control methods based on frost layer measurement.
维普
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