Light high-precision current measuring device

A current measurement device and high-precision technology, applied in the direction of using digital measurement technology for measurement, can solve problems such as the accuracy of anti-interference temperature drift of electronic devices and optical devices, and achieve the effect of improving accuracy

Inactive Publication Date: 2019-07-19
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current measurement device based on the Faraday magneto-optical effect has exposed many problems in practical engineering applications, such as anti-interference problems, temperature drift problems, precision problems, etc. of electronic and optical devices.

Method used

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  • Light high-precision current measuring device
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  • Light high-precision current measuring device

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Embodiment Construction

[0038] The specific implementation manners of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation manners described here are only used to illustrate and explain the implementation manners of the present invention, and are not intended to limit the implementation manners of the present invention.

[0039] In the embodiments of the present application, unless otherwise stated, the used orientation words such as "up, down, top, bottom" are generally for the directions shown in the drawings or for vertical, vertical or The term used to describe the mutual positional relationship of each component in terms of the direction of gravity.

[0040] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only for descriptive purposes, and should not be ...

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Abstract

The execution mode of the invention provides a light high-precision current measuring device and belongs to the field of current precision measuring technologies. The current measuring device comprises a hoop, multiple quantum sensors and a quantum detection system, wherein the hoop is used for clamping a current measuring device body to a measured conductor, the hoop is of a hollow structure, anda harness is arranged in the hoop; the multiple quantum sensors are uniformly distributed in the hoop and used for measuring magnetic field intensity around the measured conductor, and the quantity of the multiple quantum sensors is a multiple of 4; and the quantum detection system is connected with each quantum sensor through the harness and is used for acquiring the magnetic field intensity around the measured conductor through each quantum sensor and further calculating the current flowing through the measured conductor according to the magnetic field intensity. Through the current measuring device, numerous defects of a traditional current detection device can be overcome, and the current can be measured more precisely.

Description

technical field [0001] The invention relates to the technical field of precise measurement of electric current, in particular to a light-weight high-precision current measuring device. Background technique [0002] With the continuous advancement of smart grid construction, traditional high-voltage electrical equipment is gradually developing in the direction of intelligence, modularization, miniaturization, multi-function and maintenance-free. The traditional electromagnetic current measurement device is difficult to adapt to the development requirements of smart grid due to the narrow measurement frequency band, small dynamic range, and analog output. The current measuring device based on the Faraday magneto-optical effect has the advantages of simple insulation structure, no magnetic saturation and ferromagnetic resonance, large transient response range, light weight, small size, digital output signal, etc., and adapts to the development direction of smart grid. It is mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/25
CPCG01R19/25
Inventor 仇茹嘉胡世骏赵龙高博郑国强徐斌汪玉王鑫杨海涛谢毓广丁津津计长安潘丽珠毛荀程石陈凡李圆智李远松王小明何开元
Owner STATE GRID CORP OF CHINA
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