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Method for operating a cooling system for a hybrid electric vehicle comprising a liquid coolant transfer circuit

A hybrid vehicle, liquid cooling technology, applied in the direction of coolant flow control, electric vehicles, cooling device control devices, etc., can solve problems such as unsatisfactory solutions, reduce pollutant particle emissions, and reduce pollution , the effect of reducing the working temperature

Active Publication Date: 2019-09-13
RENAULT SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0030] Therefore, this solution is not satisfactory due to space and cost reasons

Method used

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  • Method for operating a cooling system for a hybrid electric vehicle comprising a liquid coolant transfer circuit
  • Method for operating a cooling system for a hybrid electric vehicle comprising a liquid coolant transfer circuit
  • Method for operating a cooling system for a hybrid electric vehicle comprising a liquid coolant transfer circuit

Examples

Experimental program
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Embodiment Construction

[0066] figure 1 An exemplary embodiment of a cooling system 10 for a hybrid vehicle (not depicted) is depicted.

[0067] Such a hybrid vehicle is also called “PHEV”, which stands for “plug-in hybrid electric vehicle”, and is characterized in that it comprises, on the one hand, an internal combustion engine 12 and, on the other hand, an electric motor 14 .

[0068] Hybrid vehicles can be used in various modes of operation, including:

[0069] - electric mode, sometimes called "ZEV" (which stands for Zero Emission Vehicle) mode, in which the vehicle is propelled and / or driven by the electric motor without the intervention of the internal combustion engine;

[0070] - Internal combustion engine mode, in which the vehicle is driven and / or propelled solely by the internal combustion engine without the intervention of the electric motor;

[0071] - Hybrid mode, in which the vehicle is simultaneously driven and / or propelled by the internal combustion engine and the electric motor....

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Abstract

The invention relates to a method for operating a cooling system (10) for a hybrid electric vehicle comprising at least one heat engine (12) and an electric motor (14), the method for operating the cooling system (10) in the electric mode comprising at least the following steps: a step E1 consisting in determining whether the temperature of the liquid coolant in a high-temperature cooling circuit(100) is lower or higher than a threshold working temperature (TFmax) of a low-temperature cooling circuit (200); and when the temperature of the liquid coolant in the high-temperature cooling circuit(100) is lower than the threshold working temperature (TFmax) of the low-temperature cooling circuit (200), a step E2 which consists in opening control means (302, 306) for controlling a transfer circuit (300) which interconnects the high-temperature cooling circuit (100) and the low-temperature cooling circuit (200).

Description

technical field [0001] The invention relates to a method for operating a hybrid vehicle cooling system comprising a liquid coolant transfer circuit. [0002] The invention relates more particularly to a method for operating a cooling system of a hybrid vehicle comprising at least an internal combustion engine and an electric motor, the cooling system comprising at least: [0003] - a high-temperature cooling circuit for cooling the internal combustion engine and a low-temperature cooling circuit for cooling the electric motor and associated high-voltage battery, and [0004] - A liquid coolant transfer circuit connecting the high temperature cooling circuit and the low temperature cooling circuit and comprising regulating means for controlling the circulation of liquid coolant in the transfer circuit. Background technique [0005] Such cooling systems fitted to hybrid vehicles, also known as "PHEV", which stands for "Plug-in Hybrid Electric Vehicle", are known from the prio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01P7/16B60K11/02B60L58/26H01M10/625H01M10/613H01M10/63H01M10/663H01M10/6568
CPCF01P7/165F01P2037/02F01P2050/24H01M10/625H01M10/63H01M10/663H01M10/6568H01M10/613B60K11/02B60L58/26Y02T10/70
Inventor E·安德雷斯O·贝斯巴德
Owner RENAULT SA
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