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:
Dec. 26, 2017
Filed:
Aug. 25, 2011
Yanni Meng, Shenzhen, CN;
Mingming Liu, Shenzhen, CN;
Lingqiao Teng, Shenzhen, CN;
Baohang Zhou, Shenzhen, CN;
Shuwang Wei, Shenzhen, CN;
Yanni Meng, Shenzhen, CN;
Mingming Liu, Shenzhen, CN;
Lingqiao Teng, Shenzhen, CN;
Baohang Zhou, Shenzhen, CN;
Shuwang Wei, Shenzhen, CN;
XI'AN ZHONGXING NEW SOFTWARE CO., LTD., Xi'An, Shaanxi, CN;
Abstract
Disclosed are a battery protection device and method for DC power supply. The device comprises: a first branch circuit unit and a second branch circuit unit; a monitoring unit is connected with a DC power supply, the first branch circuit unit and the second charge circuit unit respectively; the first branch circuit unit and the second branch circuit unit are connected in parallel, with one end connected to the DC power source and the other end connected to the load units in series via a battery unit; when the monitoring unit detects that the DC power supply supplies power normally, it controls the first branch circuit unit to conduct, the DC power supply supplies power to the load units; when the monitoring unit detects that the DC power supply supplies power abnormally, it controls the second branch circuit unit to conduct, the battery unit supplies power to the load units.