一种燃料电池汽车集中散热系统

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一种燃料电池汽车集中散热系统

可以满足大散热量、被动与主动散热系统集成、主动散热系统的散热量大小及开启时间自动调节、能耗低、易于布置的一种燃料电池汽车集中散热系统。在达到预设温度之前，仅“进风口-风道-散热器-出风口”构成的被动散热系统工作；达到预设温度之后，由“进风口-风道-散热器-轴流风机-出风口”构成的主动散热系统与被动散热系统一起工作。根据空气动力学理论进行散热系统进风口、风道及出风口的优化设计；散热器倾斜布置增大通风量和热交换量，满足散热需求量大的要求；4个轴流风机作为辅助散热系统可根据散热需求的大小自动控制工作的个数和时间，有利于降低能耗；燃料电池汽车发电系统的散热系统集成化，有利于布置和管理。

Centralizedheat dissipation system of fuel cell vehicle

Theinvention discloses a centralized heat dissipation system of a fuel cellvehicle. According to the centralized heat dissipation system of the fuel cellvehicle, large heat dissipation, integrating of a passive heat dissipationsystem and an active heat dissipation system, and automatic adjusting of the heatdissipation amount and starting time of the active heat dissipation system canbe achieved, energy consumption is low, and arrangement is easy. Before the presettemperature is reached, only the passive heat dissipation system composed of anair inlet, an air duct, a heat dissipater and an air outlet works; and afterthe preset temperature is reached, the active heat dissipation system composedof an air inlet, an air duct, a heat dissipater, axial flow fans and an air outletworks together with the passive heat dissipation system. The air inlets, theair ducts and the air outlets of the heat dissipation systems are optimallydesigned according to the aerodynamic theory; the heat dissipaters areobliquely arranged to increase the ventilation quantity and the heat exchangingquantity, and the requirement for the large heat dissipation demand quantity ismet; the four axial flow fans serve as auxiliary heat dissipation systems, the workingnumber and time of the four axial flow fans can be automatically controlled accordingto the heat dissipation demand magnitude, and reducing of energy consumption isfacilitated; and arrangement and management are facilitated through integrationof the heat dissipation systems of a power generating system of the fuel cellvehicle.