Portable electric energy metering and electric shock preventing device

Abstract

A portable electric energy metering and electric shock preventing device comprises a metering box connected with a transformer and a terminal box connected with an upper computer. A high voltage transformer, a low-voltage current transformer, an intelligent electric meter and an electric shock preventing module are arranged in the metering box. A metering terminal is arranged in the terminal box. The primary side of the high voltage transformer and the primary side of the low-voltage current transformer are connected with the low voltage side of the transformer, and the secondary side of the high voltage transformer and the secondary side of the low-voltage current transformer are connected with the incoming line end of the intelligent electric meter. The electric shock preventing module is connected with the signal end of the intelligent electric meter. The outgoing line end of the intelligent electric meter is connected with the metering terminal. The signal end of the metering terminal is connected with the upper computer. Waterproof protection covers are arranged outside the metering box and the terminal box respectively. Through the portable electric energy metering and electric shock preventing device, difficulty in collection, operation and maintenance is reduced, and work efficiency is improved; dryness of the environment where the metering box and the terminal box are located is kept, a major accident caused by dampness is prevented, and the service life of the metering box and the terminal box is prolonged.

Description

technical field [0001] The invention relates to the technical field of electric energy metering, in particular to a portable electric energy metering and electric shock prevention device. Background technique [0002] Existing electric energy metering devices usually use the metering method of high power supply and low metering, and the metering terminal and the electric energy meter are all in the same metering box. At present, most users use 10kV line power supply, which is easy to cause other users to carry out private metering. Low-voltage connection, and increases the difficulty of collection, operation and maintenance. In general, the collection terminal communicates data through RS232, but due to the limitation of many natural conditions, there will be problems in the distance or quality of communication. Since the metering box and the terminal box have been exposed to the natural environment, they are severely eroded by the natural environment and are prone to probl...

AI Technical Summary

Problems solved by technology

[0002] Existing electric energy metering devices usually use the metering method of high power supply and low metering, and the metering terminal and the electric energy meter are all in the same metering box. At present, most users use 10kV line power supply, which is easy to cause other users to carry out private metering. Low-voltage hook-up, and increase the difficulty of collection, operation and maintenance to eliminate defects

Under normal circumstances, the collection terminal communicates data through RS232. Due to the limitation of many natural conditions, there will be problems in the distance or quality of communication.

Since the metering box and the terminal box have been exposed to the natural environment, they are severely eroded by the natural environment and are prone to problems such as water ingress

When the metering box needs to be moved, it is prone to electric shock accidents

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