The present invention provides a vehicle approach notification sound generation device capable of allowing pedestrians and the like to hear a notification sound even when an opening of a pipe facing the ground is closed. The vehicle approach notification sound generation device (10) is provided with: a speaker (22) that is attached to a vehicle and that emits a notification sound to the outside ofthe vehicle; an opening (40) that emits notification sound to the outside of the vehicle; and a duct mechanism (20) that communicates the opening (40) and the speaker (22) via a first communication hole (64), has a plurality of small holes (74) provided in a different direction from the opening (40), and has a second communication path (80) that communicates the plurality of small holes (74) andthe duct mechanism (20).
本发明提供一种车辆接近报知音产生装置,其即使在管道的面向地面侧的开口部被封堵的情况下,也能够使行人等听到报知音。车辆接近报知音产生装置(10)包括:扬声器(22),其安装于车辆,朝向车外发出报知音;开口部(40),其朝向车外放出报知音;以及管道机构(20),其借助第1连通孔(64)连通开口部(40)与扬声器(22),具有在与开口部(40)不同的方向设置的多个小孔(74),并具有连通多个小孔(74)与管道机构(20)的第2连通路(80)。
Vehicle approach notification sound generation device
车辆接近报知音产生装置
2020-10-30
Patent
Electronic Resource
Chinese
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES |