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    • 8. 发明授权
    • Safe quick disconnect leakage protector
    • 安全快速断开漏电保护器
    • US09219360B2
    • 2015-12-22
    • US14235798
    • 2011-08-09
    • Zhongyu Wang
    • Zhongyu Wang
    • H02H3/00H02H3/16H02H3/05H02H3/33H02H5/10H02H1/06
    • H02H3/162H02H1/066H02H3/05H02H3/16H02H3/334H02H5/105
    • The present disclosure provides a safe quick disconnect leakage protector, including a power supply circuit, a sampling circuit, a couple of single-pole single-throws, an on and off control circuit, and a testing circuit. The sampling circuit collects the leakage current signal between the live wire and the neutral wire and outputting the leakage current signal; the main control circuit receives the leakage current signal outputted from the sampling circuit, amplifies the leakage current signal, and outputs a grounding failure control signal when the leakage current reaches the predetermined value; the on and off control circuit receives the grounding failure control signal outputted from the main control circuit and controls the single-pole single-throw switches to disconnect the load from the external power supply according to the grounding failure control signal, thereby protecting the load and improves the safety of the leakage protection of an electrical appliance.
    • 本公开提供了一种安全的快速断开泄漏保护器,包括电源电路,采样电路,一对单极单掷,开关控制电路和测试电路。 采样电路收集有线和中线之间的漏电流信号,并输出漏电流信号; 主控电路接收从采样电路输出的泄漏电流信号,放大漏电流信号,并在泄漏电流达到预定值时输出接地故障控制信号; 接通和断开控制电路接收从主控电路输出的接地故障控制信号,并控制单刀单掷开关根据接地故障控制信号从外部电源断开负载,从而保护负载和 提高电器的漏电保护的安全性。