Heating system having a heat storage device for hybrid or electric vehicles and method for same

A technology for a hybrid vehicle and a heating system, applied in the field of hybrid vehicles or electric vehicles, can solve the problems of consuming heat insulation, burning vehicle passengers, and difficulty in utilizing heat, and achieving the effect of small heat loss

Inactive Publication Date: 2019-07-09
KONVEKTA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this heating system is that it requires equipment for receiving the desorbed working agent as well as the absorbent and the working medium
This requires expensive thermal insulation, since the risk of burning vehicle occupants is problematic especially at such high temperatures
Accordingly, the location of such thermal storage devices is inappropriate in the vicinity of vehicle occupants
Furthermore, it is difficult to utilize the heat at such high storage temperatures, since a temperature difference of several hundred degrees Celsius compared to the temperature of the air to be heated in the vehicle interior provided for the vehicle occupants is very high

Method used

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  • Heating system having a heat storage device for hybrid or electric vehicles and method for same
  • Heating system having a heat storage device for hybrid or electric vehicles and method for same
  • Heating system having a heat storage device for hybrid or electric vehicles and method for same

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Embodiment Construction

[0033] exist figure 1 In , an embodiment of a heating system 10 according to the invention in a hybrid or electric vehicle is shown in block diagram form. The electric machine 12 is connected via a shaft 14 to at least one wheel 16 of the hybrid or electric vehicle. During braking of the hybrid or electric vehicle, the electric machine 12 is loaded with torque via the shaft 14 , wherein the electric machine 12 provided with the rotor 18 and the stator 20 converts kinetic energy into electrical energy in generator operation. The recuperation of electrical energy during braking according to the principle of eddy current braking is known technology for hybrid or electric vehicles. In this embodiment, the electric machine 12 can also be used as a drive motor of a hybrid vehicle or an electric vehicle. However, it is also conceivable to use the electric machine 12 during the braking process only in generator operation. Embodiments comprising multiple electric machines 12 are als...

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Abstract

The invent inn relates to a heating system (10) for a hybrid or electric vehicle (50) comprising at least one electric machine (12) operable in the generator mode, at least one heat accumulator arrangement (32), al least one electric heating device (30) associated with the heat accumulator arrangement (32), and a switching arrangement (26), wherein the switching arrangement (26) is designed to optionally couple the at least one electric machine (12) with the at least one electric heating device (30) and or an electric energy accumulator (28), when the at least one electric machine (12) operates in the generator mode during a braking process, wherein al least one heat accumulator arrangement (32) has a latent heat accumulator agent (34) for heal storage, comprising at least one sugar alcohol which comprises at least one compound selected from the group consisting of erythritol, threitol, xylitol, mannitol, and dulcitol. With such a heating system (10), heat for heating can be stored well. The invention also relates to a method for accumulating heat and healing with such a heating system (10).

Description

technical field [0001] The invention relates to a heating system for a hybrid or electric vehicle according to the preamble of claim 1 . The heating system is designed such that it converts electrical energy obtained during braking of the hybrid or electric vehicle into heat by means of an electric machine that can be operated in generator operation, for example to heat the air for the vehicle interior. The invention also relates to a hybrid or electric vehicle with such a heating system, a heat storage device for such a heating system and a method for thermally storing and discharging stored heat by means of such a heating system . In a hybrid vehicle, at least one of the two modes of propulsion of the vehicle is electric. In the case of electric vehicles, the means of drive is purely electric. Background technique [0002] Heating systems for hybrid or electric vehicles are known which utilize electrical energy generated by braking in an electric machine which can be op...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60H1/00B60H1/03
CPCB60H1/00385B60H1/00492B60H1/03B60H1/00371C09K5/063B60H1/2218B60H1/2221Y02E60/14
Inventor 迈克尔·索纳卡尔布帕斯卡尔·贝斯特
Owner KONVEKTA
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