Method for determining at least one state of a plurality of battery cells, computer program, battery and motor vehicle

A computer program and battery technology, applied in the field of battery units, can solve problems such as rising, achieve the effect of reducing computing expenses and storage requirements, and improving scalability

Active Publication Date: 2013-03-06
ROBERT BOSCH GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] The disadvantage here is that such a process is associated with a huge computational outlay and memory requirements which, moreover, rise proportionally with the number of cells

Method used

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  • Method for determining at least one state of a plurality of battery cells, computer program, battery and motor vehicle
  • Method for determining at least one state of a plurality of battery cells, computer program, battery and motor vehicle
  • Method for determining at least one state of a plurality of battery cells, computer program, battery and motor vehicle

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Embodiment Construction

[0040] figure 1 The conventional observation structure shown in has been described in the exposition of the prior art.

[0041] exist figure 2 shows the totality of all battery cells to be detected with respect to at least one of their states. The battery cells 10 and the observation structures 20 associated therewith are divided into four subgroups 1 , 2 , 3 and 4 .

[0042] However, the present invention is not limited here to the figure 2 However, in contrast to this, it is also possible only to combine a plurality of battery cells 10 without a respective associated observation structure into groups, wherein each group is observed by at least one superordinate observation structure. The computing power of the observation structure is adapted accordingly.

[0043] The method according to the invention is preferably carried out by observing alternately only a part of the installed battery cells 10 , ie the battery cells arranged in a group 1 , 2 , 3 or 4 in each case. ...

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Abstract

The invention relates to a method for determining at least one state of a plurality of spatially combined battery cells connected to each other by circuitry, wherein the state is determined by observing battery cells by means of at least one observer structure (20), and wherein a subset (nx) of a collectivity of battery cells (ntot) is observed and the state derived from the observation is determined for more battery cells (10) than for the observed battery cells (10). The invention further relates to a computer program, by means of which the method according to the invention can be carried out, and to a battery comprising a battery management system, which is designed such that the method according to the invention can be carried out thereby. The invention also relates to a motor vehicle comprising a battery according to the invention.

Description

technical field [0001] The invention relates to a method for determining at least one state of a plurality of spatially integrated battery cells and electrically connected to one another. [0002] Furthermore, the invention relates to a computer program with which the method according to the invention can be carried out, and a battery with at least one battery management system, wherein the battery management system is designed in such a way that it can be implemented According to the method of the present invention. Furthermore, the invention relates to a motor vehicle having a battery according to the invention. Background technique [0003] A battery comprising one or more DC battery cells acts as an electrochemical energy store and energy converter. When the battery or the corresponding battery cells are discharged, the chemical energy stored in the battery is converted into electrical energy by electrochemical redox reactions. Therefore, electric energy can be suppli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/48
CPCY02E60/12H01M10/482B60L11/1864G01R31/3651Y02T10/7005G01R31/3679B60L11/1861Y02T10/7061G01R31/3658G01R31/3606Y02T10/7011B60L11/1851Y02T10/7044B60L58/10B60L58/21G01R31/396G01R31/367G01R31/392G01R31/382Y02T10/70
Inventor A·伯姆S·维克特
Owner ROBERT BOSCH GMBH
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