The invention relates to the technical field of sound insulation structures, in particular to a marine composite structure sound insulation cover which comprises a peripheral frame of a three-dimensional structure, and a frame shaped like a Chinese character'hui 'is arranged at the vertex angle of the peripheral frame. The wall plate is arranged in the peripheral frame, the wall plate comprises a perforated protection panel arranged in the peripheral frame, a porous sound absorption part is arranged on the perforated protection panel, and a plurality of cavities are formed in the porous sound absorption part; the first local resonance structure is arranged on the porous sound absorption part, and a second local resonance structure is arranged on the first local resonance structure; the damping material piece is arranged on the second local resonance structure, and a first composite material substrate is arranged on the damping material piece; the honeycomb core layer is arranged on the first composite material substrate, and a second composite material substrate is arranged on the honeycomb core layer. A cavity structure is adopted in the marine composite structure acoustic shield, and the marine composite structure acoustic shield has the advantages of being wide in frequency, high in sound insulation effect and easy and convenient to install, has a better isolation effect on broadband noise and is beneficial to improving the low-frequency sound insulation performance.

    本发明涉及隔声结构技术领域,具体涉及一种船用复合结构隔声罩,包括:四周框架,四周框架呈立体结构,且在四周框架的顶角处设有回型框架;壁板,设于四周框架内,壁板包括:穿孔护面板,设于四周框架内,穿孔护面板上设有多孔吸声件,多孔吸声件内设有多个空腔;第一局域共振结构,设于多孔吸声件上,第一局域共振结构上设有第二局域共振结构;阻尼材料件,设于第二局域共振结构上,且在阻尼材料件上设有第一复合材料基板;蜂窝芯层,设于第一复合材料基板上,且在蜂窝芯层上设有第二复合材料基板。该船用复合结构隔声罩的内部采用空腔结构,具有宽频、高隔声效果、安装简单便捷的优点,针对宽频噪声有着更好的隔离效果,有利于改善低频隔声性能。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Marine composite structure sound insulation cover and sound insulation system


    Weitere Titelangaben:

    一种船用复合结构隔声罩、隔声系统


    Beteiligte:
    YE TIANGUI (Autor:in) / SHANGGUAN HIROSHI (Autor:in) / CHEN YUKUN (Autor:in) / LIU CHAO (Autor:in) / LI WENQING (Autor:in) / JIN GUOYONG (Autor:in) / CHENG XIAOGUANG (Autor:in)

    Erscheinungsdatum :

    2024-02-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung



    SOUND INSULATION STRUCTURE

    KURIHARA IKUMI / KONDO TAKASHI / NOGUCHI YOSHIHIRO | Europäisches Patentamt | 2020

    Freier Zugriff

    SOUND INSULATION STRUCTURE

    KURIHARA IKUMI / KONDO TAKASHI / NOGUCHI YOSHIHIRO et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    SOUND INSULATION STRUCTURE

    KONDO TAKASHI / NOGUCHI YOSHIHIRO | Europäisches Patentamt | 2018

    Freier Zugriff

    SOUND INSULATION STRUCTURE

    KURIHARA IKUMI / KONDO TAKASHI / NOGUCHI YOSHIHIRO | Europäisches Patentamt | 2020

    Freier Zugriff

    SOUND INSULATION STRUCTURE

    TAKAGI KIYONORI / OMURO KEISUKE / TAMACHI TOSHIAKI et al. | Europäisches Patentamt | 2018

    Freier Zugriff