Patent ID: 8122981
Filing Date: 2012-02-28
Classification: B60K,H02S,Y02E,Y02T

Abstract:
1. A solar cell system for vehicles, comprising: a solar cell installed in a vehicle, the solar cell being configured to convert solar energy into electric energy and generate electric power; a vehicle main battery connected to the solar cell through a first switch; a auxiliary battery connected to the solar cell through a second switch and further connected to the vehicle main battery through the first switch and the second switch, the auxiliary battery configured to store surplus electric power of the solar cell or the vehicle main battery; a variable voltage device connected to the solar cell through a third switch and further connected to the vehicle main battery through the first switch and the third switch, wherein the variable voltage device is operated even when voltage is changed; a constant voltage device connected to the auxiliary battery through operation switches and configured to require a constant voltage; and power distribution means configured to control the first, second and third switches according to the amount of electric power generated from the solar cell and selectively distributing the electric power.