The invention provides a method for controlling the opening degree of an automobile active air inlet grille. The method comprises the steps that S1, the real-time automobile speed and the real-time environment temperature outside an automobile are obtained; s2, on the basis of the obtained real-time vehicle speed and the real-time environment temperature outside the vehicle, grid opening degrees corresponding to the different gears of the fan are determined; s3, according to the opening degrees of all the grids, the wind resistance energy consumption difference CdP corresponding to the two adjacent gears of the fan is sequentially calculated; s4, the wind resistance energy consumption difference value CdP is compared with the fan energy consumption when the fan operates at the higher gear in the two corresponding gears, and the first grating opening degree is determined; s5, based on the obtained real-time vehicle speed and the real-time environment temperature outside the vehicle, the second grating opening degree meeting the performance requirement of the air conditioning system and the performance requirement of the cooling system is determined; and S6, the larger one of the first air-inlet grille opening and the second grille opening is taken as the final output opening of the active air-inlet grille to be output.
本发明提供了一种汽车主动进气格栅开度控制方法,包括:步骤S1,获取实时车速和车外实时环境温度;步骤S2,基于所获取的实时车速和车外实时环境温度,确定风扇处于不同档位时所分别对应的格栅开度;步骤S3,根据各格栅开度,依次计算风扇在相邻两个档位对应的风阻能耗差值△CdP;步骤S4,将各风阻能耗差值△CdP分别与风扇在对应两个档位中的较高档位运转时的风扇能耗做比对,确定第一格栅开度;步骤S5,基于所获取的实时车速和车外实时环境温度,确定满足空调系统性能要求、冷却系统性能要求的第二格栅开度;步骤S6,将所述第一进气格栅开度和第二格栅开度中取大,作为主动进气格栅的最终输出开度进行输出。
Method and device for controlling opening degree of automobile active air-inlet grille and automobile
一种汽车主动进气格栅开度控制方法、装置及汽车
03.02.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
Europäisches Patentamt | 2022
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