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.
Patent No.:
Date of Patent:
Mar. 05, 2013
Filed:
Oct. 26, 2010
Chang-gi Jung, Daejeon, KR;
Ju-young Kim, Daejeon, KR;
Jung-soo Kang, Daejeon, KR;
Do-youn Kim, Daejeon, KR;
Cheol-taek Kim, Daejeon, KR;
Chang-Gi Jung, Daejeon, KR;
Ju-Young Kim, Daejeon, KR;
Jung-Soo Kang, Daejeon, KR;
Do-Youn Kim, Daejeon, KR;
Cheol-Taek Kim, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Disclosed are a method and an apparatus for detecting abnormality of a current sensor operative to measure a charge or discharge current of a battery pack. The method comprises measuring current and voltage of the battery pack; and detecting abnormality of the current sensor by comparing variations in current and voltage over a predetermined time with a current reference value and a voltage reference value, respectively. According to the present invention, it is capable of improving reliability of the battery pack, and in case that the current sensor is out of order, of protecting the battery pack from dangerous accidents such as explosion.