The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 21, 2020

Filed:

Oct. 19, 2018
Applicant:

Contemporary Amperex Technology Co., Limited, Ningde, Fujian, CN;

Inventors:

Wei Zhang, Ningde, CN;

Zhimin Dan, Ningde, CN;

Jiechao Luo, Ningde, CN;

Yizhen Hou, Ningde, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/165 (2006.01); B60L 58/10 (2019.01); G01R 31/382 (2019.01); G01R 19/10 (2006.01); G01R 31/36 (2020.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
G01R 19/16542 (2013.01); B60L 58/10 (2019.02); G01R 19/10 (2013.01); G01R 31/3648 (2013.01); G01R 31/382 (2019.01); H02J 7/008 (2013.01); B60L 2240/549 (2013.01); Y02T 10/7005 (2013.01);
Abstract

A current detecting apparatus and a battery management system are provided. In the current detecting apparatus, a positive electrode of a power battery pack is connected to a first terminal of a primary positive circuit, a negative electrode of the power battery pack is connected to a first terminal of a primary negative circuit, and a current sensor is connected in series between the negative electrode of the power battery pack and the first terminal of the primary negative circuit; the current sensor is configured for obtaining and outputting a voltage signal of the power battery pack; a microcontroller unit is configured for implementing current conversion on the voltage signal, transmitting a detected current value, which is obtained by the current conversion, of the power battery pack and receiving a control command for controlling the primary positive and negative circuits to turn on or turn off.


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