The invention discloses a GNSS buoy for measuring the sea surface height. The GNSS buoy comprises a buoy floating body, a buoy antenna and an ultrasonic liquid level meter, wherein at least two instrument wells penetrating through an upper surface and a lower surface of the buoy floating body are formed in the buoy floating body, the ultrasonic liquid level meter is installed at lower ends of interiors of the instrument wells, ultrasonic transducers of the ultrasonic liquid level meter face well mouths above the instrument wells, axes of the two instrument wells and the central axis of the antenna are located in the same plane, height difference between measurement zero points of the ultrasonic liquid level meters in the two instrument wells and an upper plane of the buoy floating body isthe same, and height difference between zero points of the ultrasonic liquid level meters and the maximum draft position of the buoy is smaller than a measuring range of the ultrasonic liquid level meters, the instrument wells are vertical wells, and the ultrasonic transmitting direction of the ultrasonic transducers is parallel to the length direction of the instrument wells. The GNSS buoy is advantaged in that a problem of dynamic change of a waterline is considered, and measurement precision is improved.

    本发明公开了一种用于测量海面高的GNSS浮标。该GNSS浮标包括:浮标浮体、浮标天线以及超声波液位计,浮标浮体中开设有至少两个贯穿浮标浮体上下表面的仪器井,超声波液位计安装于仪器井内部的下端,且超声波液位计的超声波换能器朝向仪器井上方的井口;其中,两个仪器井的轴线与天线的中轴线在同一平面内,两个仪器井中的超声波液位计的测量零点与浮标浮体上平面的高度差相同,且超声波液位计的零点与浮标的最大吃水位置的高差小于超声波液位计的量程;仪器井为竖直井,超声波换能器的超声波发射方向与仪器井的长度方向平行。本发明提供的GNSS浮标考虑了吃水线动态变化的问题,提高了测量的精度。


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    Titel :

    GNSS buoy for measuring sea surface height


    Weitere Titelangaben:

    一种用于测量海面高的GNSS浮标


    Beteiligte:
    YAN LONGHAO (Autor:in) / ZHU JIANHUA (Autor:in) / ZHANG XIAOXU (Autor:in) / ZHAI WANLIN (Autor:in) / HUANG XIAOQI (Autor:in) / ZHOU WENQING (Autor:in) / SHI JIAN (Autor:in) / ZHANG QIAN (Autor:in) / WANG JIANGPENG (Autor:in)

    Erscheinungsdatum :

    2020-07-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G01F Messen des Volumens, des Durchflussvolumens, des Massendurchflusses oder des Füllstandes , MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL



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