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    • 6. 发明申请
    • Power device and safety control method thereof
    • 电力设备及其安全控制方法
    • US20120033745A1
    • 2012-02-09
    • US13067899
    • 2011-07-05
    • Su Ho JoKwan Joo MyoungJi Eun LeeO Do Ryu
    • Su Ho JoKwan Joo MyoungJi Eun LeeO Do Ryu
    • H04B3/00
    • F24F11/006F24F11/30F24F11/54F24F11/62H04B3/548H04B3/56H04B2203/5416H04B2203/5445H04B2203/5458
    • An air conditioner includes at least one indoor unit and a wired controller connected to the indoor unit through two lines to receive power from the indoor unit and to perform data communication with the indoor unit. Each of the indoor unit and the wired controller includes a communication unit that modulates a low-frequency communication signal into a high-frequency communication signal and transmits the high-frequency signal and demodulates a received high-frequency signal into a low-frequency signal. When a plurality of indoor units and a wired controller perform communication, a communication signal is transmitted after being modulated into a high-frequency signal and linking the high-frequency signal with DC power. This reduces the inductance of an inductor required to separate the linked high-frequency signal into DC power and a communication signal and the capacitance of a capacitor required to link the signal with DC power, reducing PCB size and inductor and capacitor costs.
    • 空调器包括至少一个室内单元和有线控制器,其通过两条线连接到室内单元,以从室内单元接收电力并与室内单元进行数据通信。 室内单元和有线控制器中的每一个包括将低频通信信号调制成高频通信信号的通信单元,并将高频信号发送并将接收到的高频信号解调为低频信号。 当多个室内单元和有线控制器进行通信时,通信信号在被调制成高频信号并将高频信号与直流电力连接之后被发送。 这降低了将链接的高频信号分离成直流电力所需的电感器的电感,以及将信号与直流电力连接所需的通信信号和电容器的电容,从而降低PCB尺寸和电感器和电容器成本。