The invention provides an automobile air conditioner HVAC air inlet structure which comprises an outer circulation air inlet and an inner circulation air inlet, a filter element is arranged on the downstream of an inner and outer circulation air inlet switching air door, a fan is arranged on the downstream of the filter element, and the inner circulation air inlet is formed in the lower portion of the same side of the outer circulation air inlet. According to the scheme, the arrangement direction of the internal circulation air inlet directly facing a driver and passengers in the automobile is changed into the arrangement direction of the internal circulation air inlet facing the front baffle of the automobile, the measurement and comparison result is that the noise is reduced by about 2dB, and the noise in the automobile is well improved.
本发明提供一种汽车空调HVAC进风口结构,包括外循环进风口、内循环进风口,内、外循环进风转换风门的下游设置有过滤芯,过滤芯的下游布置有风机,内循环进风口布置在外循环进风口同侧的下方。上述方案就是将内循环进风口由传统的直接面向车内驾乘人员的布置方向,更改为面向车前挡板,测量比较结果为降噪约2dB,对车内噪音有很好的改善效果。
HVAC air inlet structure of automobile air conditioner
汽车空调HVAC进风口结构
2022-04-12
Patent
Electronic Resource
Chinese
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |
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