The invention relates to the technical field of quantum nondestructive sensing, and provides a nondestructive detector which comprises a diamond NV color center, a laser module, a microwave module, a photoelectric detection module, a microwave antenna, a magnetizer, a magnetic concentrator, a light path assembly, a lock-in amplifier and a processor, and the diamond NV color center is in light path connection with the laser module and the photoelectric detection module through the light path assembly. The microwave module is connected with the microwave antenna through a radio frequency transmission line, the lock-in amplifier is electrically connected with the photoelectric detection module, the microwave module and the processor, and the processor is electrically connected with the microwave module; according to the system, the magnetic concentrator is arranged above the leakage magnetic field, the leakage magnetic field can be amplified at a high position after being collected, the installation position of the color center of the diamond NV is raised through the design, large lift-off measurement is achieved, the included angles between the amplified magnetic field and the axial direction of the four color centers of the diamond NV are consistent, and high-precision magnetic flux leakage measurement can be achieved.

    本发明涉及量子无损传感技术领域,方案为一种无损检测仪,包含金刚石NV色心、激光模块、微波模块、光电探测模块、微波天线、磁化器、聚磁器、光路组件、锁相放大器以及处理器,金刚石NV色心经光路组件与激光模块及光电探测模块形成光路连接,微波模块与微波天线之间经过射频传输线连接,锁相放大器分别与光电探测模块、微波模块以及处理器形成电性连接,处理器与微波模块形成电性连接;本系统通过在漏磁场上方设置聚磁器,能够将漏磁场采集后在高处进行放大,此种设计使得金刚石NV色心的安装位置得以升高,即实现了大提离的测量,且放大磁场与金刚石NV的四个色心轴向的夹角一致,可实现高精度的漏磁测量。


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    Title :

    Nondestructive detector and track defect detection device


    Additional title:

    无损检测仪及轨道缺陷检测装置


    Contributors:
    WU JUN (author) / ZHAO BOWEN (author) / YU ZHIWU (author) / MAO JIANFENG (author) / XIANG ZHUBAO (author) / ZHANG SHAOCHUN (author) / LIAO YANFEI (author) / WANG PENG (author) / ZHOU MENGLIANG (author)

    Publication date :

    2024-04-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



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