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Dynamic monitoring method for monitoring charging current of electrical energy store of motor vehicle

A technology of electric energy storage and dynamic monitoring, which is applied in the field of electric energy management and can solve problems such as the inability to control the charging current

Pending Publication Date: 2022-07-22
PEZHO SITROEN AUTOMOBILS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] However, the known methods are not capable of dynamically manipulating the charging current that can circulate in the battery according to the electrical energy generating capacity of the generator installed in the vehicle

Method used

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  • Dynamic monitoring method for monitoring charging current of electrical energy store of motor vehicle

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Embodiment Construction

[0028] For greater clarity, the same or similar elements are denoted by the same reference numerals in the description and the drawings.

[0029] Naturally, the embodiments of the method of the invention shown in the figures above and described in the following are given only as non-limiting examples. It is expressly stated that different examples may be provided and that different examples may be combined with each other to provide other examples.

[0030] The present invention relates to the field of management of electrical energy used in motor vehicles equipped with low voltage electrical storage (eg 12V batteries) and the powertrain of which is thermal or hybrid or even is electric.

[0031] More precisely, the present invention relates to a dynamic adaptation method for adapting the current of a low-voltage electrical store (in the following reference B, more particularly a 12V lithium-ion battery) in a system comprising at least one An electrical energy generator equi...

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Abstract

The invention relates to a dynamic monitoring method for monitoring the current of an electrical energy store (B) of a motor vehicle equipped with at least one electrical energy generator (G), characterized in that it comprises: a first operation (1) for estimating the no-load voltage (OCV) of the store (B); a second operation (2) for measuring an available recharging current reserve (A) for recharging the memory according to the energy generating capacity of the generator (G); a third operation (3) for determining a maximum charging current (Amax) authorized for the memory; and a fourth operation (4) for determining a maximum voltage (Vmax) authorized for the memory (B).

Description

technical field [0001] The present invention claims priority to French application N° 1914275, filed on December 12, 2019, the content of which (text, drawings and claims) is incorporated herein by reference. [0002] The invention applies to the field of electrical energy management in motor vehicles. [0003] More precisely, the invention relates to a dynamic monitoring method for monitoring the charging current of an electrical energy storage device or a memory of a hybrid or electric electric vehicle with a thermal powertrain. Background technique [0004] In motor vehicles, components used to provide electrical energy to various equipment include electrical energy storage devices or "memory" (especially the important 12V battery). [0005] In order to simultaneously ensure a permanent balance between the supply of all equipment of the vehicle's on-board network (which operates at 12V), the generation of electrical energy and the charging of the memory, it is necessary ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00B60L3/12B60L58/14B60L58/15B60L58/20B60R16/03H01M10/42H02J7/00H02J7/14
CPCB60L3/0046B60L3/12B60L58/20B60L58/14B60L58/15B60L2240/547B60L2240/549H01M10/42B60R16/03H02J7/1492H02J7/007H02J7/00712H02J7/00714H02J7/007182H02J7/007194H01M2220/20H01M10/486H01M10/48Y02T10/92Y02E60/10Y02T10/70
Inventor Y·伯特霍恩M·莫尔内
Owner PEZHO SITROEN AUTOMOBILS SA
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