The invention relates to a sealing strip and an automobile, and the sealing strip comprises a sealing part and an acoustic metamaterial structure; the sealing part forms an accommodating cavity; the acoustic metamaterial structure is arranged in the accommodating cavity; the acoustic metamaterial structure comprises a cavity structure and an acoustic metamaterial unit arranged on one side of the cavity structure; wherein the cavity structure is provided with a resonant cavity, and the resonant cavity is provided with a first opening close to the acoustic metamaterial unit; the acoustic metamaterial unit comprises a film and a mass block, the film blocks the first opening of the resonant cavity, and the mass block is arranged on the side, away from the resonant cavity, of the film. The sound insulation and noise reduction capacity of the sealing strip is high.
本发明涉及一种密封条及汽车,其中,密封条包括:密封部和声学超材料结构;密封部形成容纳腔;声学超材料结构设置于容纳腔内;声学超材料结构包括腔结构和设置于腔结构一侧的声学超材料单元;其中,腔结构具有共振腔,共振腔具有靠近声学超材料单元的第一开口;声学超材料单元包括薄膜和质量块,薄膜封堵共振腔的第一开口,质量块设于薄膜远离共振腔的一侧。密封条的隔音降噪能力高。
Sealing strip and automobile
密封条及汽车
2025-03-11
Patent
Electronic Resource
Chinese
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