The engine protection plate comprises a connecting support and a main plate, the connecting support is fixedly connected to the main plate, the main plate is provided with the phononic crystals and used for vibration isolation and noise reduction, the main plate is formed by periodically and alternately stacking metal layer materials and non-metal layer materials, the phononic crystals are arranged on the main plate, and the metal layer materials and the non-metal layer materials are arranged on the main plate. Therefore, a first group of phononic crystals is formed; a non-metal cylinder array is further arranged in the main board, the non-metal cylinder array and the main board form a second group of phononic crystals, and the material of the non-metal cylinders is different from the material of the main board. The non-metal layer can be made of piezoelectric materials or thermoelectric materials. Therefore, energy is recycled and converted, and energy consumption is reduced. The engine protection plate effectively solves the technical problems that an existing engine protection plate does not have an energy recovery function and is poor in noise reduction effect.

    本发明提供一种具有声子晶体的发动机防护板,该发动机防护板包括:连接支架和主板,所述连接支架固定连接在所述主板上,所述主板上设置有声子晶体,用于隔振和降噪,所述主板是通过金属层和非金属层材料周期性交替叠加制成的,从而构成第一组声子晶体;所述主板内还设置有非金属圆柱阵列,并与主板形成第二组声子晶体,所述非金属圆柱材质不同于所述主板材质。其中,所述非金属层可为压电材料或热电材料。以此来进行能量的回收转化,节省能耗。本发明有效的解决了现有发动机防护板无能量回收功能及降噪效果不好的技术问题。


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    Title :

    Engine protection plate with phononic crystals


    Additional title:

    一种具有声子晶体的发动机防护板


    Contributors:
    WANG MIAO (author) / LU HAO (author) / GAO DONGYANG (author)

    Publication date :

    2022-05-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02N Elektrische Maschinen, soweit nicht anderweitig vorgesehen , ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR



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