Battery pack and method for controlling battery pack
A technology of battery packs and batteries, which is applied to battery pack components, battery circuit devices, secondary battery charging/discharging, etc., and can solve the problems of battery module stability and life impact, battery pack failure to supply, excessive output, etc.
Active Publication Date: 2020-01-21
SAMSUNG SDI CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, when the number of battery modules included in the battery pack is less than a preset value, the battery pack cannot supply an appropriate amount of power to the load, and in addition, excessive output from the battery modules may be required, thereby affecting the stability and life of the battery modules. have a negative impact
Method used
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[0032] Provided are a method of controlling a battery pack and a battery pack controlled by the method. The battery pack includes: a plurality of slave battery modules, each slave battery module includes a battery and a slave controller, the battery includes at least one battery cell, and the slave controller is configured to control charging and discharging of the battery; the master battery module includes a battery configured to control a master controller of the slave controller; and a communication cable formed with a first port connected to the master controller and a plurality of second ports connected to the slave controller. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling a battery pack is provided.
[0033] Since the present disclosure allows for various changes and many embodiments, the embodiments will be illustrat...
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Disclosed are a battery pack and a method for controlling the same according to various embodiments of the present invention. The battery pack comprises: a battery comprising at least one battery cell; a plurality of slave battery modules, each comprising a slave controller for controlling charging and discharging of the battery; a master battery module comprising a master controller for controlling the slave controller; and a communication cable having a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected, wherein the first port further comprises an identification terminal for outputting an identification signal, which is an electrical signal corresponding to the number of the second ports.
Description
technical field [0001] The present disclosure relates to a battery pack and a method of controlling the battery pack. Background technique [0002] As portable electronic devices such as mobile phones, digital cameras, notebook computers, etc. are widely used, batteries for powering the portable electronic devices are being actively developed. The battery is provided in the form of a battery pack having a protection circuit for controlling charging and discharging of the battery, and various studies have been conducted on methods and apparatuses for efficiently charging the battery. [0003] A battery pack may include a plurality of battery modules. Each battery module includes a controller for controlling charging and discharging of the battery to manage the battery. In addition, the battery pack may include a main controller for controlling controllers included in a plurality of battery modules. [0004] In the battery pack, the number of battery modules and their conne...
Claims
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IPC IPC(8): H01M10/42H01M10/48H01M10/44H01M2/10H01M50/204H01M50/296
CPCY02E60/10H01M10/441H01M2010/4271H01M10/425H01M2010/4278H01M10/482H01M10/4207H02J7/00032H02J7/00045H01M50/204H01M50/296H01M10/48G05B15/02H02J7/0042H02J7/0068
Inventor 李永镇金载胜廉吉春吴宽一郑贤喆崔昇林
Owner SAMSUNG SDI CO LTD