The invention relates to a steel rail corrugation acoustic diagnosis system for rail transit, and belongs to the technical field of rail transit vibration noise. The system comprises an upper computer, a lower computer, a vehicle ground detection system and a ground detection vehicle system, wherein the upper computer is in wireless or wired connection with the lower computer; the lower computer is connected with the vehicle ground detection system and the ground detection vehicle system; the vehicle ground detection system comprises a microphone, an acceleration sensor, an inertial navigation element and a GPS receiving board card which are arranged at a bogie under the vehicle; the ground detection vehicle system comprises a microphone, a laser radar and a camera which are arranged beside a rail. The rail corrugation state is diagnosed, the rail corrugation characteristics can be accurately recognized in the time-frequency spectrum characteristics, the characteristic frequency recognition is accurate, the detection efficiency is high, obvious early warning and rapid detection advantages are achieved, meanwhile, the cost generated by static monitoring of rail corrugation can be greatly reduced, important economic value and practical significance are achieved, and technical support can be provided for determining a reasonable polishing period and researching noise control.

    本发明涉及一种用于轨道交通的钢轨波磨声学诊断系统,属于轨道交通振动噪声技术领域;包括上位机、下位机、车检地系统和地检车系统,上位机与下位机无线或有线连接;下位机分别与车检地系统和地检车系统相连接;车检地包括布置于车下转向架处的传声器、加速度传感器、惯性导航元件和GPS接收板卡;地检车系统包括布置于轨道旁的传声器、激光雷达和相机。本发明对轨道波磨状态进行诊断,能在时频谱特征中准确地识别钢轨波磨特征,特征频率识别较为准确,检测效率高,具有明显的早期预警和快速检测优势,同时可大幅减少静态监测钢轨波磨产生的费用,具有重要的经济价值和现实意义,可以为确定合理的打磨周期以及噪声控制研究提供技术支撑。


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    Titel :

    Steel rail corrugation acoustic diagnosis system for rail transit


    Weitere Titelangaben:

    用于轨道交通的钢轨波磨声学诊断系统


    Beteiligte:
    LIU LANHUA (Autor:in) / WU XIANGYANG (Autor:in) / HAN LI (Autor:in) / LI YANLIANG (Autor:in) / CHEN YINGQING (Autor:in) / SHAO LIN (Autor:in) / ZHANG YICHAO (Autor:in)

    Erscheinungsdatum :

    2021-04-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes / G01S RADIO DIRECTION-FINDING , Funkpeilung



    Rail transit steel rail corrugation identification method based on train vibration characteristics

    HE BIN / LIU JIZHAO / HU XUHONG et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    Rail Corrugation on North American Transit Systems

    Grassie, S.L. | Online Contents | 1998


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    Gidanski, Charles M. | Engineering Index Backfile | 1913


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    Fell, A.L.C. | Engineering Index Backfile | 1907


    Rail corrugation

    Morgan, H.H. | Engineering Index Backfile | 1941