Novel low-voltage optical voltage sensing device

Abstract

The invention relates to a novel low-voltage optical voltage sensing device and belongs to the low-voltage power distribution field. The device includes a bismuth germanate crystal, a sensing box body, an upper cover, an electrical connector, a metal electrode, supporting columns, an optical cable connector, a wire and an optical fiber; the bismuth germanate crystal is fixedly mounted on the uppersurface of the bottom of the groove of the sensing box body; the supporting columns are vertically and fixedly mounted around the bismuth germanate crystal; the metal electrode is fixedly mounted onthe tops of the supporting columns; the electrical connector axially passes through a side wall of the sensing box body; the optical cable connector is fixedly mounted at the outer side of a side wallof the sensing box body, wherein the side wall of the sensing box body is opposite to the electrical connector; the upper surface of the metal electrode is connected with the electrical connector through the wire; the bismuth germanate crystal is connected with the optical cable connector through the optical fiber; and the upper cover is fixedly mounted on the top of the opening of the sensing box body. The novel low-voltage optical voltage sensing device has the advantages of flexible design, compact structure, light weight, high shielding performance and high safety. The engineering designof the low-voltage optical voltage sensing device can be realized; and a new scheme is provided for the application of an optical transformer in the power distribution field.

Description

technical field [0001] The invention relates to the field of low-voltage power distribution, in particular to a novel low-voltage optical voltage sensing device. Background technique [0002] With the in-depth application of optical transformers in practical engineering, along with various application methods, some problems have appeared in the field of low-voltage power distribution of optical voltage sensing devices, which need to be improved in terms of structural design and function realization. [0003] In terms of structural design, ordinary optical voltage sensing devices usually have complex insulation structures, large volume, and high cost, and are not suitable for low-voltage power distribution, let alone engineering applications. [0004] In terms of performance, the general optical voltage sensing device has low measurement accuracy due to the uneven distribution of the electric field between the electrodes, and is greatly affected by the ambient temperature. ...

AI Technical Summary

Problems solved by technology

[0003] In terms of structural design, ordinary optical voltage sensing devices usually have complex insulation structures, large volume, and high cost, and are not suitable for low-voltage power distribution, let alone engineering applications.

[0004] In terms of performance, the general optical voltage sensing device has low measurement accuracy due to the uneven distribution of the electric field between the electrodes, and is greatly affected by the ambient temperature.

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