Intelligent real-time on-line displaying and controlling leakage protector and control method thereof
A protector and intelligent technology, applied in emergency protection circuit devices, emergency protection devices with automatic disconnection, electrical components, etc., can solve problems such as leakage current tripping, lower work efficiency, and inability to handle according to special working conditions, and achieve Avoid misoperation and facilitate adjustment
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Embodiment 1
[0038] Such as figure 1 As shown, a real-time online display and control leakage intelligent protector includes a control panel 1, and the control panel 1 is used to set related operating units, which is convenient for users to use; the two ends of the control panel 1 are provided with incoming line interfaces 2 and Outlet interface 3, the interior of the control panel 1 is provided with a zero-sequence transformer, a shunt release, an operating mechanism and a controller, the zero-sequence transformer is used to detect leakage current in the line, and the shunt trip The device is used to execute the instructions of the controller to disconnect the circuit, and the operating mechanism is used to manually open or close the circuit. The operating handle 5 of the operating mechanism extends out of the control panel 1, and the user closes or disconnects the circuit by turning the operating handle 5. circuit. The control panel 1 is provided with a leakage current display screen 6 ...
Embodiment 2
[0046] Such as figure 2 , image 3 As shown, on the basis of the above-mentioned embodiments, the control panel is further provided with a leakage current threshold selection knob 4, and the leakage current threshold selection knob 4 is connected to the controller to set the leakage current threshold; and The controller can also be connected with an alarm device 8, and when the value of the leakage current exceeds the preset leakage current threshold, the alarm device 8 starts, especially in the mode of forced non-tripping, Through the alarm device 8 on-site personnel can keep abreast of the on-site situation, facilitate its timely processing, and reduce the occurrence of accidents; in order to facilitate the user's setting during use, the tripping mode setting mechanism 7 can be set on the control panel 1. The tripping mode setting mechanism 7 is connected with the controller, and the tripping mode can be set, so that the tripping mode can be set according to the needs of t...
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