Low-voltage intelligent double-power-source change-over switch
A dual power conversion, intelligent technology, applied in protection switches, power devices inside switches, circuits, etc., can solve the problem of low efficiency, inability to issue alarm information such as sound, light, and text in time, without considering the integration of the driver and efficient arc extinguishing design issues
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[0041] Such as figure 1 , 2 As shown, the present invention includes a switch 9 and a switch base 7 made of plastics. The upper left part of the switch cover 9 is provided with four main power supply wiring ports 12 and a red main power indicator light 10. The upper right part of the switch cover 9 is provided with four auxiliary power supply wiring ports. port 15 and green auxiliary power indicator light 11; the middle part of switch cover 9 is provided with red main contact indicator light 11, green auxiliary contact indicator light 4, conversion control button 5, liquid crystal display screen 3, button matrix 1, return button 13 and Reset button 2; switch cover 9 bottom middle is provided with load power connection port 6, there is the communication line channel 21 of sunken between the switch cover middle, lower part, communication line channel 21 right-hand side is provided with No. I, II communication socket 16, 17; the right side of switch cover 9 back side is equipped...
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