The invention discloses a vibration absorber, an air compressor damping device and a vehicle fuel cell system. The vibration absorber comprises a shell with an air cavity, at least part of the shell wall, corresponding to the air cavity, of the shell is made of a flexible material, and the shell wall made of the flexible material is at least annularly distributed; and the shell is further provided with a connector communicating with the air cavity and used for being in communication with an outlet of an air compressor. According to the scheme, the vibration absorber actively achieves vibration reduction by means of the air spring structure principle, and vibration, vibration acceleration and vibration amplitude of the air compressor are reduced; and moreover, the air at the outlet of the air compressor is introduced, the vibration absorption frequency of the vibration absorber can be automatically adjusted along with the exciting force frequency of the air compressor, a good vibration absorption effect in a broadband range is ensured, an air source comes from the air compressor, an additional air source does not need to be added, the system is simpler and more compact, and the cost is lower.
本发明公开一种吸振器、空压机减振装置以及车用燃料电池系统,吸振器包括形成有气腔的壳体,所述壳体对应于所述气腔的至少部分壳壁为柔性材质,且柔性材质的所述壳壁至少环向分布;所述壳体还设有连通所述气腔的接口,用于连通所述空压机的出口。本方案中吸振器利用空簧结构原理主动实现减振,减小空压机振动、振动加速度、振动幅值。而且,由于引入空压机的出口空气,吸振器吸振频率可跟随空压机的激励力频率自动调整,保证在宽频范围内良好的吸振效果,其气源来自空压机,无需增加额外气源,使系统更为简单紧凑,成本更低。
Vibration absorber, air compressor damping device and vehicle fuel cell system
吸振器、空压机减振装置以及车用燃料电池系统
2021-11-02
Patent
Electronic Resource
Chinese
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