Power equipment monitoring information system based on network

The utility model discloses a power equipment monitoring information system based on a network. wherein the voltage monitoring circuit is coupled with a power supply end of power equipment and comprises an alternating current power supply, an ACDC power supply chip, a fourth resistor, a fifth resistor, a voltage stabilizing diode, a sixth resistor, a comparator, an external power supply, a seventhresistor, a third capacitor, a third triode, a switch, a relay, a ninth resistor and a fourth capacitor; through the voltage monitoring circuit, the power supply voltage of the power equipment is monitored in real time, the power supply safety of a power supply is ensured, and serious economic loss caused by damage of the power equipment is avoided; under-voltage and over-voltage dual protectionfunctions can be completed by using only one unit of comparator, the use of two comparators is avoided, the device cost is reduced, the circuit complexity is reduced, the working stability of the circuit is high, and the anti-