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Method for transferring a minimum and/or a maximum value of a battery system parameter and battery system for carrying out such a method

A battery system and battery technology, applied in the field of battery systems, can solve problems such as being susceptible to electromagnetic interference and unreliability

Active Publication Date: 2016-07-27
ROBERT BOSCH GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The disadvantage of this analog transmission is that it is susceptible to electromagnetic interference and is therefore less reliable

Method used

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  • Method for transferring a minimum and/or a maximum value of a battery system parameter and battery system for carrying out such a method
  • Method for transferring a minimum and/or a maximum value of a battery system parameter and battery system for carrying out such a method
  • Method for transferring a minimum and/or a maximum value of a battery system parameter and battery system for carrying out such a method

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Embodiment Construction

[0032] figure 1 A detail of a battery system 1 is shown. The battery system 1 includes a plurality of battery cells 2 . For more clarity, figure 1 In the exemplary embodiment shown in , only one battery cell 2 is shown. The battery system 1 includes a central control unit 6 as part of the battery management system of the battery system 1 . The controller unit 6 generates a periodic clock signal 5 with a fixed cycle duration. The clock signal 5 is fed to a line 7 and is routed to a plurality of cells of the battery system 1 . Furthermore, the battery system 1 comprises a first data line 3 for transmitting a minimum value of a battery system parameter and a second data line 4 for transmitting a maximum value of a battery system parameter. In addition, the battery system 1 also includes at least one other line 13, through which the central control unit 6 can exchange data with other units of the battery system 1, wherein these other units are respectively connected to the li...

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Abstract

The invention relates to a method for transferring a minimum and / or a maximum value of a battery system parameter from a quantity of values of said battery system parameter in a battery system (1) comprising a plurality of battery cells (2), wherein the minimum value of the battery system parameter is transferred via a first data line (3) and / or the maximum value of the battery system parameter is transferred via a second data line (4). A periodic clock signal (5) having a permanent period duration (16) is thus generated. In order to transfer the minimum value of the battery system parameter for each value of the battery system parameter phase-synchronously to the clock signal (5), a first signal (17', 17", 17'"), which can assume either a first signal state (18) or a second signal state (19), is generated and given to the first data line (3), and / or in order to transfer the maximum value of the battery system parameter for each value of the battery system parameter phase-synchronously to the clock signal (5), a second signal (21', 21", 21'"), which can assume either a first signal state (22) or a second signal state (23), is generated and given to the second data line (4). The invention further relates to a battery system which is designed to carry out the method according to the invention.

Description

technical field [0001] The invention relates to a method for transmitting a minimum value and / or a maximum value of a battery system parameter out of a number of values ​​of a battery system parameter in a battery system comprising a plurality of battery cells, wherein the minimum value of the battery system parameter The maximum value of the battery system parameter is transmitted via the first data line and / or via the second data line. [0002] Furthermore, the invention relates to a battery system with a battery management system and a plurality of battery cells. Background technique [0003] A battery system having a plurality of electrically connected battery cells, in particular a plurality of adjacent lithium-ion cells electrically connected to each other, is used especially in hybrid vehicles, plug-in hybrid vehicles or electric vehicles to provide the necessary electrical energy. In addition, the battery system usually includes a battery management system for moni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/36H01M10/42H04Q9/00
CPCH01M10/633G01R31/396H01M10/425H04Q9/00H01M10/482H01M10/486H01M2010/4278H04Q2209/10Y02E60/10G01R31/389G01R31/3842G01R19/16542H01M10/0525H01M10/4264H01M2010/4271H01M2220/20H03K4/50H04Q9/02
Inventor S·布茨曼
Owner ROBERT BOSCH GMBH