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Multi-dimensional compensation intelligent shunt

A shunt, multi-dimensional technology, applied in the direction of instruments, voltage/current isolation, measuring devices, etc., can solve the problems of digital shunt compensation, low intelligence, complicated shunt temperature compensation technology, poor real-time compensation, etc., to achieve cost Low cost, improved accuracy, comprehensive cost-effective effect

Pending Publication Date: 2021-05-28
YUNNAN INST OF MEASUREMENT TEST TECH RES
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the problems that the existing shunt temperature compensation technology is complicated, the compensation is not comprehensive, the real-time compensation is poor, and the shunt compensation is digitized and intelligent.

Method used

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  • Multi-dimensional compensation intelligent shunt
  • Multi-dimensional compensation intelligent shunt

Examples

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Embodiment Construction

[0033] The embodiments will be described in detail hereinafter, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following examples do not represent all implementations consistent with this application. These are merely examples of systems and methods consistent with aspects of the present application as recited in the claims.

[0034] see figure 1 , figure 1 A schematic structural diagram of an embodiment of the multi-dimensional compensation intelligent shunt provided in this application.

[0035] The present application provides a multi-dimensional compensation intelligent shunt, including: a shunt body 1, a digital temperature sensor 2 connected to the shunt body 1 and a digital measuring device 3;

[0036] In this embodiment, the shunt body 1 can...

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Abstract

The invention provides a multi-dimensional compensation intelligent shunt. The multi-dimensional compensation intelligent shunt comprises a shunt body, a digital temperature sensor connected with the shunt body and a digital measuring device. The digital measuring device comprises a current measuring module connected with the shunt body, a temperature measuring module connected with the digital temperature sensor, a digital signal processing module connected with the current measuring module and the temperature measuring module, and a direct current power supply module connected with the current measuring module, the temperature measuring module and the digital signal processing module. The current measuring module is configured to obtain the value of the current flowing through the shunt; the temperature measuring module is configured to obtain a temperature value of the shunt body through the digital temperature sensor; and the digital signal processing module is configured to perform multi-dimensional compensation on the resistance value of the shunt according to the current value and the temperature value. The multi-dimensional compensation intelligent shunt provided by the invention is simple in compensation operation and high in comprehensive cost performance, and can improve the measurement accuracy and digitization degree of the shunt.

Description

technical field [0001] The invention belongs to the technical field of power measurement and information equipment, and in particular relates to a multi-dimensional compensation intelligent shunt. Background technique [0002] A shunt is a sensing device for measuring DC current. In the field of DC large current measurement technology, high-power shunts are widely used for measurement. A high-power shunt is mainly composed of a low-value resistor. According to Ohm's theorem, when a DC current flows through the shunt, a voltage drop occurs across the shunt resistor. By measuring the voltage drop across the shunt resistor, the current value can be calculated. Due to the advantages of simple structure, reliable operation, stable performance and low cost, high-power shunts are widely used in electric vehicles, high-power chargers, high-power rectifiers, high-power inverters, communication base station backup batteries, battery energy storage, etc. Field DC current measurements....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R15/14
CPCG01R15/146
Inventor 王玉元朱自科曾舒凡廖杰
Owner YUNNAN INST OF MEASUREMENT TEST TECH RES
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