The invention discloses a helicopter main rotor dynamic load measuring device and method. The dynamic load measuring device comprises a dynamic load sensor and a dynamic load signal processor. The dynamic load sensor comprises an elastic body and a resistance strain gauge pasted on the elastic body. The resistance strain gauge forms a Wheatstone bridge and is connected with the dynamic load signalprocessor. The dynamic load signal processor carries out filtering shaping and pre-amplification after receiving a signal, then one part of the signal is transmitted to the observation end through filtering amplification, and the other part of the signal is transmitted to an electromechanical management system and a flight parameter recording system through secondary filtering and AC/DC conversion amplification. The device is high in safety and reliability, the signal processing circuit is an analog circuit, real-time response can be achieved, real-time detection of changes of dynamic load values borne by blades in the flying process of the helicopter is achieved, the changes are fed back to the flight parameter recording system and the electromechanical management system in time, reference is provided for operation of pilots, and flight safety is guaranteed.

    本发明公开了一种直升机主旋翼动载荷测量装置及方法,所述动载荷测量装置包括动载荷传感器和动载荷信号处理器;动载荷传感器包括弹性体及粘贴在弹性体上的电阻应变计,所述电阻应变计组成惠斯通电桥并与动载荷信号处理器连接;动载荷信号处理器接收到信号之后进行滤波整形、预放大,之后一路信号经过滤波放大输送到观测端,另一路信号经过再次滤波、AC/DC变换放大分别送入机电管理系统和飞行参数记录系统。本发明装置安全可靠性高,信号处理电路为模拟电路,可以即时响应,实现了对直升机飞行过程中桨叶所承受的动载荷值的变化的实时检测,并及时反馈给飞行参数记录系统和机电管理系统,为飞行员的操作提供参考,保障了飞行安全。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Helicopter main rotor dynamic load measuring device and method


    Weitere Titelangaben:

    一种直升机主旋翼动载荷测量装置及方法


    Beteiligte:
    LI SHAOLONG (Autor:in) / SUN JINGXIAN (Autor:in) / HE JUN (Autor:in) / QIAO JIANGHUA (Autor:in) / XU RUILI (Autor:in) / ZHAO XIAOFENG (Autor:in) / JIE PENG (Autor:in)

    Erscheinungsdatum :

    2020-04-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



    Helicopter main rotor cone and dynamic balance measuring device

    ZHOU PENGJIA / WANG JIAYU / SONG HENG et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    HELICOPTER MAIN ROTOR

    KORZH NIKOLAJ AFANASEVICH | Europäisches Patentamt | 2017

    Freier Zugriff

    Helicopter main-rotor/tail-rotor interaction

    Yin, J.P. / Ahmed, S.R. | Tema Archiv | 2000


    Main rotor blade and helicopter

    SUGIURA MASAHIKO / TANABE YASUTADA / KOBIKI NOBORU et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    MAIN ROTOR BLADE AND HELICOPTER

    SUGIURA MASAHIKO / TANABE YASUTADA / KOBIKI NOBORU et al. | Europäisches Patentamt | 2022

    Freier Zugriff