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Extended-range electric vehicle power coupling thermal control system and control method thereof

An electric vehicle, power coupling technology, applied in electric vehicles, control/regulation systems, non-electric variable control and other directions, can solve the problems of coupled thermal management system performance and application imperfections, etc., to achieve strong control stability and reduce parasitic energy Consumption and simple structure

Active Publication Date: 2021-04-23
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is the problem of imperfect performance and application of the existing range-extended electric vehicle power system coupling thermal management system

Method used

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  • Extended-range electric vehicle power coupling thermal control system and control method thereof
  • Extended-range electric vehicle power coupling thermal control system and control method thereof
  • Extended-range electric vehicle power coupling thermal control system and control method thereof

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Embodiment Construction

[0059] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0060] The invention discloses a power coupling heat control system and a control method for an extended-range electric vehicle. Those skilled in the art can refer to the content of this article and appropriately improve the process parameters to realize it. It needs to be pointed out that all similar replacements and modifications are obvious to those skilled in the art, and they are all considered to be included in the present invention, and relevant personnel can obviously make changes without departing from the content, spirit and scope of the present invention. Changes or appropriate changes and combinations are made to the content described herein to realize and apply the technology of the present invention.

[0061] In the invention, unless otherwise stated, the scientific and technical terms used herein have the meanings commonly understood by those skilled i...

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PUM

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Abstract

The invention discloses an extended-range electric vehicle power coupling thermal control system and a control method thereof, and the system comprises four cooling liquid loops which are an engine heating loop, an engine heat dissipation loop, a power battery heating loop and a power battery heat dissipation loop in sequence. The engine heating loop comprises an engine, a first electronic thermostat, a first electric water pump and a first temperature sensor which are sequentially connected in series; the engine heat dissipation loop comprises an engine, a first electronic thermostat, a heat exchanger, a first radiator, a first electric water pump and a first temperature sensor which are sequentially connected in series. The power battery heating loop comprises a power battery, a second electronic thermostat, a heat exchanger and a second electric water pump which are sequentially connected in series; the power battery heat dissipation loop comprises a power battery, a second electronic thermostat, a second radiator, a second electric water pump and a second temperature sensor. According to the system, rapid preheating and accurate temperature control of the power battery and the engine are realized, and the energy utilization rate of the whole vehicle is effectively improved.

Description

technical field [0001] The invention relates to the technical field of thermal management control of a hybrid electric vehicle, in particular to a power coupling thermal control system and a control method for an extended-range electric vehicle. Background technique [0002] At present, the climate and environmental situation is becoming increasingly severe, fossil energy is increasingly scarce, and emission regulations are becoming increasingly stringent. The development of new energy vehicles has become a mainstream trend. Pure electric vehicles have an advantage in the development of new energy vehicles due to their zero-emission characteristics. Due to the bottleneck in the development of battery technology, pure electric vehicles have problems such as mileage anxiety and low environmental adaptability, which are more serious in low temperature environments. Extended-range electric vehicles have become a promising solution in the short term. From the analysis of vehicl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/27F01P3/20F01P7/16F01P7/08F01P7/04F02N19/10G05D23/20
CPCB60L58/27F01P3/20F01P7/165F01P7/164F01P7/162F01P7/08F01P7/04F02N19/10G05D23/20Y02T10/70
Inventor 高金武李凯胡云峰陈虹
Owner JILIN UNIV
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