Multi-protection device for electric power metering box

The invention provides an electric power metering box multi-protection device, which comprises a meter, a fixing device, a protection cover, heat dissipation holes, a dustproof net, a heat dissipation fan, a temperature and humidity sensor, a conducting wire, an intelligent alarm, a spring, a top plate and a battery, and is characterized in that the meter is mounted on the outer side of the fixing device, the protection cover is installed outside the meter, the heat dissipation holes are formed in the two sides of the protection cover, the dustproof net is adhered to the outer sides of the heat dissipation holes, the heat dissipation fan or the temperature and humidity sensor is connected with the intelligent alarm, the intelligent alarm is mounted in the protection cover, the top plate is connected with the intelligent alarm through the spring, and the battery is connected with the intelligent alarm through the conducting wire. Through arrangement of the fixing device, the intelligent alarm and the temperatu