Vehicle comprising an electrically conductive vehicle part that can be used as a resistor element for converting electrical energy into heat

A technology for vehicle parts and commercial vehicles, applied in the field of commercial vehicles, can solve problems such as refrigeration or heating of passenger cabins in summer, electrical load damage, etc., to achieve cost advantages, reduce burden, and reduce heat generation.

Pending Publication Date: 2022-02-11
MAN NUTZFAHRZEUGE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage of the technical teaching of DE 102 26 308 A1 is that downstream connected electrical loads for discharging electrical energy can be damaged by electrical overload
Furthermore, operation of certain electrical loads may not be desirable in certain circumstances (e.g. operating cabin cooling in winter or cabin heating in summer, etc.), so that electrical energy can only be exported to these conditions to a limited extent load

Method used

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  • Vehicle comprising an electrically conductive vehicle part that can be used as a resistor element for converting electrical energy into heat
  • Vehicle comprising an electrically conductive vehicle part that can be used as a resistor element for converting electrical energy into heat
  • Vehicle comprising an electrically conductive vehicle part that can be used as a resistor element for converting electrical energy into heat

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Embodiment Construction

[0032] figure 1 The two views in are very schematic views of a vehicle according to one embodiment of the invention, which are only used to schematically show some components of this embodiment of the invention. Other main components of this embodiment of the invention have been omitted from illustration for the sake of clarity.

[0033] figure 1 The upper view in FIG. 1 shows a schematic side view of an electric commercial vehicle 1 according to an embodiment of the invention. In this very schematic side view, a body 7 and a cab 8 can be seen. A cab 8 is arranged to the lower part of the commercial vehicle 1 including the frame, which connects the three axles of the tractor 8 of the commercial vehicle 1 .

[0034] figure 1 The lower view in FIG. 1 shows a very schematic and simplified plan view of the lower part of the commercial vehicle 1 . In order to better emphasize the features of the invention, only those components of the commercial vehicle that are relevant for exp...

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Abstract

The invention relates to a vehicle, preferably a commercial vehicle, a tour coach or a city bus. The electrically drivable vehicle (1) comprises an electric machine (2) that can be operated as a generator, an accumulator for electrical energy (3), an electrically conductive vehicle part, and a control device (5). The accumulator for electrical energy (3) is designed to receive electrical energy (4) from the electric machine (2) and/or to deliver electrical energy (4) to the electric machine (2). The control device (5) is designed, when at least one predetermined energy-dissipation condition is met, to divert electrical energy (4) generated when the electric machine (2) is being operated as a generator to the electrically conductive vehicle part for conversion into thermal energy, wherein the electrically conductive vehicle part is a vehicle frame (6) and/or a vehicle body (7) and/or a bodywork (8).

Description

technical field [0001] The invention relates to a vehicle, preferably a commercial vehicle, such as a coach or a city bus. Background technique [0002] Electric vehicles are known from practice, which have an electric machine which can be operated electrically and generating electricity, or which have a combination of an electric machine and an internal combustion engine (hybrid application) for driving the vehicle, and which have an accumulator for electrical energy, which The memory is designed to absorb power from the motor and / or output power to the motor. In this context, it is known to operate the electric machine generatively in order to recover the kinetic energy of the vehicle. Here, the electric motor converts kinetic energy into electrical energy, which is usually used to support the required braking process. The recovered electrical energy is usually fed to a store for electrical energy. But if the accumulator used for electrical energy reaches its capacity l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L7/00B60L7/10B60L7/22
CPCB60L7/00B60L7/10B60L7/22B60L2200/18B60L2200/36B60L2210/10B60L1/003B60L1/02Y02T10/72
Inventor 斯特凡·弗里斯迈克尔·伯纳斯
Owner MAN NUTZFAHRZEUGE AG
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