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Multi battery system for start/stop

An electrical system and vehicle electrical technology, which is applied in the field of improving the performance of the electrical system of the vehicle and the performance of the electrical system of the vehicle, can solve the problems of time limit, start/stop shortening of lead-acid battery battery life, etc., to achieve life expectancy and reduce electric energy The effect of throughput

Inactive Publication Date: 2013-03-06
VOLVO CAR CORP
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AI Technical Summary

Problems solved by technology

[0004] However, the problem associated with the start / stop system is that the battery life of conventional lead-acid batteries is greatly shortened during the start / stop of the car
[0006] However, such known arrangements suffer from significant limitations in the case of an increased number of start / stop situations, higher time requirements and increased power consumption by the various vehicle systems

Method used

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Embodiment Construction

[0022] In general, the embodiments of this paper (such as figure 1 shown schematically in ) relates to an arrangement for improving the performance of an electrical system of a vehicle having an internal combustion engine provided with a start / stop system, the electrical system further comprising: a first battery V1 selected by a starter solenoid SS It is selectively connectable to the starter motor S, the alternator A and the additional vehicle electronic load Z, which are arranged in parallel with each other and can be selectively connected in parallel with the first battery V1 through the first switch S1.

[0023] according to figure 1 arranged in parallel with the alternator A, there is also a DC / DC converter arranged for selectively charging the third source of electrical energy V3, which can pass through the second Switch S2 is selectively connected in parallel with alternator A.

[0024] However, the DC / DC converter (not shown) can be removed if the third electrical e...

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PUM

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Abstract

Embodiments herein relate to an arrangement and a method for improving the performance of an electrical system of a vehicle having an internal combustion engine provided with a start / stop system. The electrical system further comprises a primary battery (V1) which is selectively connectible to a starter motor (S) for the internal combustion engine via a starter solenoid (SS). An alternator (A) and additional vehicle electrical loads (Z) arranged in parallel with each other and selectively connectible in parallel with the primary battery (V1) via a first switch (S1). A third source of electrical energy (V3) is provided, such that it is selectively connectible in parallel with the alternator (A) via a second switch (S2).

Description

technical field [0001] Embodiments herein relate to an arrangement for improving the performance of an electrical system of a vehicle. They relate in particular to an arrangement for improving the performance of the electrical system of a vehicle having an internal combustion engine provided with a start / stop system. [0002] Embodiments herein further relate to a method for improving electrical system performance of a vehicle. They relate in particular to a method for improving the performance of the electrical system of a vehicle having an internal combustion engine provided with a start / stop system. Background technique [0003] It is increasingly common to use so-called start / stop systems in vehicles with an internal combustion engine. Such systems have proven to save fuel, especially during city driving. This is due to the fact that the internal combustion engine is stopped when it is not necessary to drive the vehicle, and is restarted once it is necessary to drive ...

Claims

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Application Information

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IPC IPC(8): B60R16/02H02K11/00
CPCF02N11/0814Y02T10/48H02J7/1423F02N11/0866Y02T10/7005Y02T10/40Y02T10/70B60L1/00
Inventor 托尔比约恩·拉松帕特里克·拉松丹尼尔·米德霍姆弗雷德里克·乌尔姆哈格
Owner VOLVO CAR CORP
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