Insulation isolation housing of enclosed type power supply metering box

Abstract

The invention provides an insulation isolation housing of an enclosed type power supply metering box, comprising a separation plate and a limiting housing; at least the rear end of the limiting housing is provided with an opening; the limiting housing is internally provided with a limiting cavity cooperating with a knife switch; the separation plate is fixed on the side wall of the limiting housing; the rear end of the separation plate is fixedly connected to a plurality of permanent magnets; the limiting housing is correspondingly clamped on outside of a wire incoming power supply on the upper end of the knife switch; so that, all electric parts in the power supply metering box are sealed in the limiting cavity of the limiting housing, the separation plate is positioned between the knife switch and a metering electric energy meter, the permanent magnets enable the insulation isolation housing of the enclosed type power supply metering box to be absorbed on the power supply metering box, an operator does not need to fix the position of the insulation isolation housing of the enclosed type power supply metering box by hands and only one person can finish replacement of the metering electric energy meter.

Description

technical field [0001] The invention relates to an insulating cover, in particular to an insulating isolation cover of a closed power meter box. Background technique [0002] At present, in order to ensure the safety and reliability of power supply and prevent electricity customers from touching live equipment by mistake, closed power metering boxes (including isolation switches, transformers, circuit breakers, metering watt-hour meters, Combined with junction box, etc.), the box door is locked, which ensures the safety of electricity use and avoids the occurrence of electricity theft. The use of closed power metering boxes puts forward higher requirements for the safety work of our metering operation and maintenance personnel. Due to the space of the box It is not big, and the installation between each equipment is compact. If there is an abnormality in the metering device, it is urgent to eliminate the defect on site. The distance between each device and the incoming power...

AI Technical Summary

Problems solved by technology

[0002] At present, in order to ensure the safety and reliability of power supply and prevent electricity customers from touching live equipment by mistake, closed power metering boxes (including isolation switches, transformers, circuit breakers, metering watt-hour meters, Combined with junction box, etc.), the box door is locked, which ensures the safety of electricity use and avoids the occurrence of electricity theft. The use of closed power metering boxes puts forward higher requirements for the safety work of our metering operation and maintenance personnel. Due to the space of the box It is not big, and the installation between each equipment is compact. If there is an abnormality in the metering device, it is urgent to eliminate the defect on site. The distance between each device and the incoming power supply is quite close, and the straight-line distance of the metering electric energy meter is less than 20mm. When using meters or other equipment, it is necessary to pull the isolation knife switch, and at least two operators should complete it together. However, the above method is exposed to the power supply at the upper end of the isolation switch. It is very dangerous, and due to the limited working space of some closed power metering boxes, it is difficult for two operators to stand in the operating area, which further increases the safety problem

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