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Method for matching charging strategies of vehicle accumulators according to operating conditions

一种蓄能器、车辆的技术，应用在混合动力车辆、机动车、运输和包装等方向，达到提高可用性、可用性提高、提高充能量的效果

Active Publication Date: 2022-06-21
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this may be undesirable for comfort reasons

Method used

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  • Method for matching charging strategies of vehicle accumulators according to operating conditions
  • Method for matching charging strategies of vehicle accumulators according to operating conditions

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Embodiment Construction

[0020] In the following description of the figures, the same elements or functions are provided with the same reference numerals.

[0021] figure 1 A schematic diagram showing important components according to an embodiment of the invention. The current on-board electrical network of the vehicle 100 basically comprises a generator, one or more energy accumulators 1 , 11 and different energy consumers 2 , 3 , 4 , one of which is usually a lead-acid battery and the other The accumulator is an accumulator with high power input capability such as a lithium-ion battery. The energy consumers 2, 3, 4 have been further developed from the beginning, at which time only the starting system, the ignition system and the lighting system were already in operation. Several consumers 2 , 3 , 4 are installed in the vehicle 100 today, and these consumers mostly fulfill control, comfort and safety functions. By means of the plurality of energy consumers 2 , 3 , 4 , the power demand imposed on ...

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Abstract

The invention relates to a method for adapting a charging strategy for an energy store of a vehicle with an automatic start-stop function according to operating conditions, the vehicle comprising at least one energy store with a high charge-receiving capacity, in a first step in the vehicle During the current driving mode, the presence or absence of the current stop-and-go mode is recognized on the basis of predetermined criteria, and in the second step when the current stop-and-go mode has been identified, during the two automatically induced engine shutdown phases The accumulator is charged more during periods of engine operation than when stop-and-go conditions are not identified, predetermined criteria include: within a predetermined period of time, a certain number of automatically induced engine stop, and / or an accumulated duration of automatically induced engine stop has been detected, and / or an accumulated discharge has been detected from the first and / or second accumulator during a detected automatically induced engine stop quantity. The invention also relates to a control device and a computer program product.

Description

technical field [0001] The invention relates to a method for adapting a charging strategy of a vehicle accumulator according to operating conditions. Background technique [0002] The on-board power grid and its supply are at the heart of vehicle development during this period. Micro-hybrid vehicles have been in series for a long time and have the following advantages: they have an automatic start-stop device—that is, the electronic system as follows—and a regenerative function (that is, braking energy recovery) for charging the starter battery. Can (Charge: Laden), the electronic system shuts off the engine when the vehicle has been braked to a stop and the driver keeps the brake pedal depressed (in vehicles with automatic transmissions), and when the driver removes the foot from the brake The electronic system switches the engine back on. Fuel can be saved with this technology. A micro-hybrid can use its accumulators instead of electric driving. [0003] The charging o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W10/06B60W10/08B60W30/18B60W10/26B60W20/16
CPCB60W10/06B60W10/26B60W30/18018B60W20/16B60W10/30B60W2510/242B60W2710/305B60W2510/244B60W2556/10B60W2510/06B60W2710/06
Inventor M·申德勒D·克勒M·范勒文费尔德
Owner BAYERISCHE MOTOREN WERKE AG
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