| 摘要 |
<p>PURPOSE: A wireless charging control system and a controlling method thereof are provided to reduce power consumption by performing a wireless charging operation and a near field communication between a power transmitting unit and a reception charging unit with a time division method. CONSTITUTION: A reception charging unit (200) includes a second common antenna part (210), an RF/DC converter (220), a battery part (230), and a modulation part (240). The second common antenna part transmits an RF signal to a power transmitting unit (100). The RF/DC converter converts a wireless charging signal to charging power for a contactless charging operation. The battery part performs the contactless charging operation with the charging power. The modulation unit changes the reception ID code of the reception charging unit and the current charging state information of the battery part into the RF signals. [Reference numerals] (110) Power supply unit; (120) DC/RF converter; (130) First common antenna part; (140) Sensor part; (150) Demodulation part; (160) First control part; (210) Second common antenna part; (220) RF/DC converter; (230) Battery part; (240) Modulation part; (AA) First SW; (BB) Own ID code & wireless charging signal; (CC) Received ID code & current charging status information; (DD) Second SW; (EE) Second control part</p> |
