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Upper computer calibration system and method for current measurement shunt

A technology of current measurement and calibration method, which is applied in the direction of measuring devices, measuring electrical variables, instruments, etc., can solve problems such as large changes in measured values, and achieve the effect of improving efficiency

Pending Publication Date: 2021-09-28
HEFEI GUOXUAN HIGH TECH POWER ENERGY
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  • Claims
  • Application Information

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Problems solved by technology

Although the Hall sensor detection method has a simple structure, its measured value changes greatly with the current.

Method used

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  • Upper computer calibration system and method for current measurement shunt
  • Upper computer calibration system and method for current measurement shunt
  • Upper computer calibration system and method for current measurement shunt

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] The invention discloses a calibrating system for an upper computer of a current measuring shunt, which comprises sequentially arranged

[0032] The serial port identification and determination module is used to monitor the communication data of the serial port. In this scheme, the serial port identification and determin...

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Abstract

The invention discloses an upper computer calibration system and method for a current measurement shunt, and the system comprises in sequence: a serial port recognition and judgment module which is used for monitoring the communication data of a serial port; a floating point code data conversion module, used for converting the voltage data into current data; and a data processing and excel template automatic generation module, used for calculating the current deviation, the current fluctuation degree and the current uniformity and then automatically storing the current deviation, the current fluctuation degree and the current uniformity in an excel document of a specified path. According to the invention, convenient and efficient current detection and automatic recording are realized.

Description

technical field [0001] The invention relates to the technical field of battery charging, in particular to a calibrating system and method for an upper computer of a current measuring shunt. Background technique [0002] BMS (BaIIery ManagementI SysIem) is a bridge connecting the core component battery of new energy vehicles and the whole vehicle. Benefiting from the development of new energy vehicles, BMS as a core component has also developed rapidly, and total current detection is essential for BMS. The current detection of BMS is divided into the traditional Hall sensor detection method and the shunt detection method. After analysis, the current sensor solution based on the shunt-based direct current sampling technology has lower cost and higher accuracy, and is the first choice for BMS applications in automobiles and energy storage systems. The reason why the shunt detection method is the first choice is because of its high measurement accuracy and relatively low cost ...

Claims

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Application Information

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IPC IPC(8): G01R35/02
CPCG01R35/02
Inventor 单毅
Owner HEFEI GUOXUAN HIGH TECH POWER ENERGY
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