Detection and alarm system for power equipment

The utility model belongs to detection and alarm of power equipment, in particular to a detection and alarm system for power equipment. A main control chip arranged in a cabinet body of equipment to be detected is connected with an indicating lamp, a reset key, an intrusion detection circuit, an expansion interface, a public wireless communication module, and a power supply and voltage acquisition module, wherein a three-phase four-line input interface is connected with the power supply and voltage acquisition module; a rechargeable battery SIM card module is connected with the power supply and voltage acquisition module as well as the public wireless communication module; the public wireless communication module is in wireless connection with a monitoring center; the monitoring center is connected with a maintenance station; the monitoring center is in wireless connection with the equipment to be detected; the wireless connection is adopted between the equipment to be detected; and the intrusion detection ci