In summer, when vehicle parks in direct sunlight, the closed cabin temperature would rise sharply, which affects the occupants step-in-car comfort Solar powered vehicle parking ventilation system adopts the solar energy to drive the original ventilator. Thus, the cabin temperature could be dramatically decreased and the riding comfort could be also improved.This research analyzed the modified crew cabin thermal transfer model. Then the performance of the solar powered ventilation system is analyzed and optimized combined with the power supply characteristics of the photovoltaic element. The storage and reuse of the solar power is achieved on condition that the cabin temperature could be steadily controlled.The research shows that, the internal temperature is mainly affected by the solar radiation intensity and the environment temperature. Within the environmental conditions area where the environmental temperature is set from 30°C to 45°C and the solar radiation intensity is set from 200 W/m2 to 1000 W/m2, the ventilation system without the energy management can keep the temperature inside the car higher than the highest environmental temperature by 5 to 10 degrees under about 80% of the environmental conditions. Under the condition of reaching same effect on controlling internal temperature as above, the energy management system can distribute electrical energy reasonably, making the ventilation system adapt to more than 90% of the environmental conditions. Under normal weather condition in the summer, the system works from 7 am to 5 pm, while the internal temperature is well controlled, it collects electrical energy of around 0.02KW·h. The system can collect electrical energy of about 0.1KW·h after the car with the system has driven for 2 hours under the condition that the sun radiation intensity is about 900W/m2. The saving electrical energy can effectively guarantee the system to adapt to changing environmental conditions.


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    Title :

    The Energy Management for Solar Powered Vehicle Parking Ventilation System


    Additional title:

    Sae International Journal of Passenger Cars- Electronic and Electrical Systems
    Sae Int. J. Passeng. Cars – Electron. Electr. Syst


    Contributors:
    Wang, Can (author) / Tan, Gangfeng (author) / Li, Jiafan (author) / Guo, Xuexun (author) / Tian, Zhanwei (author) / Tian, Zhewen (author)

    Conference:

    SAE 2015 World Congress & Exhibition ; 2015



    Publication date :

    2015-04-14


    Size :

    11 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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