The invention discloses a vehicle anechoic chamber which is provided with a moving space, at least one side face of the moving space is provided with a sound absorption device, the sound absorption device comprises a first sound absorption single body and a second sound absorption single body which are arranged side by side, and the first sound absorption single body and the second sound absorption single body are each provided with a cavity and an insertion body. The first end of the insertion body is arranged at one end of the corresponding cavity, the second end of the insertion body is arranged in the corresponding cavity, and the insertion body is provided with an opening communicated with the corresponding cavity; wherein the sound absorption frequency bands of the first sound absorption monomer and the second sound absorption monomer are different. Meanwhile, the invention further discloses a vehicle.
本申请公开了一种车用消声室,具有活动空间,所述活动空间的至少一侧面设置有吸声装置,所述吸声装置包括:并列排布的第一吸声单体和第二吸声单体,所述第一吸声单体和所述第二吸声单体均具有腔体和插入体,所述插入体的第一端设置于对应的所述腔体的一端,所述插入体的第二端设置于对应的所述腔体内,且所述插入体上开设有与对应的所述腔体连通的开孔;其中,所述第一吸声单体和所述第二吸声单体的吸声频段不同。同时,本申请还公开一种车辆。
Vehicle anechoic chamber and vehicle
车用消声室及车辆
2023-05-16
Patent
Elektronische Ressource
Chinesisch
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