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研究了声发射传感器在压缩机故障检测中的应用，对声发射检测和振动检测方法的异同进行了分析和比较，介绍了应用于压缩机故障检测的声发射传感器的结构原理，用自行开发的传感器进行了压缩机故障信号的检测分析。
The application of acoustic emission sensor in compressor fault detection is studied. The similarities and differences between acoustic emission detection and vibration detection method are analyzed and compared. The structural principle of acoustic emission sensor used in compressor fault detection is introduced. With self-developed The sensor has carried on the compressor breakdown signal examination analysis.