Dual power supply system for combustion gas voltage regulating cabinet and steam metering cabinet

Abstract

The invention relates to a dual power supply system for a combustion gas voltage regulating cabinet and a steam metering cabinet. The system comprises a 220V AC power supply, a standby power supply, a monitoring circuit, a switching circuit and an alarm circuit. The 220V AC power supply and the standby power supply are respectively connected with the switching circuit, the switching circuit is respectively connected with the combustion gas voltage regulating cabinet and the steam metering cabinet, and the monitoring circuit is respectively connected with the 220V AC power supply, the switching circuit and the alarm circuit. According to the invention, the monitoring circuit acquires information of the 220V AC power supply in real time, determines whether the 220V AC power supply is normal, in case of an abnormity, switches the 220V AC power supply to the standby power supply, and at the same time, gives an alarm through the alarm circuit. Compared to the prior art, the dual power supply system has the advantages of high safety, high reliability, convenient operation and the like.

Description

technical field [0001] The invention relates to a power supply system, in particular to a dual power supply system for a gas pressure regulating cabinet and a steam metering cabinet. Background technique [0002] In general, gas pressure regulating cabinets and steam metering cabinets do not have dual power supply devices, because the cost of supporting dual power supply devices is high and the maintenance cost is high. In this way, in the event of power failure or tripping, the solenoid valve of the pressure regulating cabinet will automatically close, the natural gas supply in the paint workshop will stop, the temperature of the drying room will drop, the production cannot continue, all products will be scrapped, and the economic loss will be very serious; the steam metering cannot continue, which will also cause serious big economic loss. Contents of the invention [0003] The object of the present invention is to provide a dual power supply system for gas pressure reg...

AI Technical Summary

Problems solved by technology

[0002] In general, gas pressure regulating cabinets and steam metering cabinets do not have dual power supply devices, because the cost of supporting dual power supply devices is high and the maintenance cost is high

In this way, in the event of power failure or tripping, the solenoid valve of the pressure regulating cabinet will automatically close, the natural gas supply in the paint workshop will stop, the temperature of the drying room will drop, the production cannot continue, all products will be scrapped, and the economic loss will be very serious; the steam metering cannot continue, which will also cause serious big economic loss

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