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Safe energy supply device for a vehicle

一种能量供应、车辆的技术，应用在用电装置、车辆储能、动力装置等方向

Active Publication Date: 2019-01-04
DR ING H C F PORSCHE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, however, the corresponding construction space must be provided

Method used

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  • Safe energy supply device for a vehicle
  • Safe energy supply device for a vehicle
  • Safe energy supply device for a vehicle

Examples

Experimental program
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Embodiment Construction

[0060] figure 1 An energy supply device 10 according to the invention for a vehicle with an electric drive is shown according to a first preferred embodiment.

[0061] According to this first embodiment, the energy supply device 10 comprises a high-voltage battery 12 having a battery string 14 in which a plurality of battery cells 16 are connected in series. exist figure 1 For reasons of simplicity of illustration, only three battery cells 16 are shown. In this case, however, there are usually significantly more battery cells 16 in the battery string 14 in order to be able to provide a correspondingly high voltage. In this case, the individual battery cells 16 are each identically designed as lithium-based battery cells 16 . In addition, the high-voltage battery 12 comprises two high-voltage connection contacts 18 between which the battery string 14 is arranged. In this case, the battery string 14 is connected in series with the safety device 20 .

[0062] In addition, th...

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Abstract

The invention relates to an energy supply device (10) for a vehicle having an electric drive, comprising a high-voltage battery (12) having two high-voltage connection contacts (18) and at least one battery string (14), which is arranged between the high-voltage connection contacts (18), and at least two string contacts (22) between which the at least one battery string (14) is arranged, and a DC / DC converter (24), the output side of which provides a low voltage for a low-voltage system of the vehicle and the input side of which is electrically conductively connected to the at least one battery string (14) by way of the two string contacts (22), wherein the energy supply device (10) is embodied to supply electrical energy to the low-voltage system of the vehicle by way of the at least onebattery string (14) in the event of a fault. The invention relates furthermore to a vehicle having an above energy supply device and to a corresponding method for supplying energy for a vehicle havingan electric drive.

Description

technical field [0001] The invention relates to an energy supply device for a vehicle with an electric drive, comprising a high-voltage battery with two high-voltage connection contacts and at least one battery string and at least two series contacts point (Strangkontakte), the at least one battery string is arranged between the high voltage connection contacts, the at least one battery string is arranged between the string contacts; and, the DC / DC converter, the DC / DC converter is in On the output side, the low voltage for the low-voltage network of the vehicle is supplied and on the input side, via the two string contacts, it is conductively connected to the at least one battery string. [0002] The invention also relates to a vehicle with an energy supply device as described above. [0003] The invention also relates to a method for supplying energy to a vehicle with an electric drive, the method comprising the steps of providing a high-voltage battery with two high-voltag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00B60L58/18
CPCB60L3/0023B60L58/20B60L3/0046B60L3/0092B60L58/10Y02T10/70B60L2240/547B60L2210/10B60Y2200/92B60Y2200/91B60K6/442H02J7/0068
Inventor J·米特纳赫特M·察赫尔
Owner DR ING H C F PORSCHE AG
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