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VEHICLE-MOUNTED POWER SOURCE DEVICE

  • US 20150280487A1
  • Filed: 10/22/2013
  • Published: 10/01/2015
  • Est. Priority Date: 11/16/2012
  • Status: Active Grant
First Claim
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1. A vehicle-mounted power source apparatus that charges a battery with electrical power obtained by solar power generation, the apparatus comprising:

  • a low voltage battery;

    a high voltage battery that stores electrical power having a voltage higher than the low voltage battery;

    a boost section that boosts the voltage of the electrical power for charging the high voltage battery;

    a solar panel that converts sunlight into electrical power;

    a bidirectional buck-boost section that boosts or steps down the voltage of the electrical power obtained through the conversion by the solar panel; and

    a control section that makes a control so as to charge the low voltage battery with the electrical power transformed by the bidirectional buck-boost section, wherein,when the amount of electrical power stored in the low voltage battery is equal to or greater than a predetermined value, the control section makes a control so as to boost the electrical power stored in the low voltage battery, by the bidirectional buck-boost section and the boost section, and to charge the high voltage battery with the boosted electrical power.

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