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A multi-energy source fuel cell vehicle thermal management control method

A fuel cell and control method technology, applied in battery/fuel cell control device, fuel cell, battery temperature control and other directions, to achieve the effects of simple design cost, improved vehicle economy, and low transformation cost

Active Publication Date: 2022-05-24
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, the present invention aims at the technical problem of how to ensure the optimal efficiency of fuel cell vehicles with multiple energy sources under extreme working conditions including low temperature and high temperature, and provides a thermal management control method for fuel cell vehicles with multiple energy sources

Method used

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  • A multi-energy source fuel cell vehicle thermal management control method
  • A multi-energy source fuel cell vehicle thermal management control method
  • A multi-energy source fuel cell vehicle thermal management control method

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Embodiment Construction

[0078]Embodiments of the present invention are described in detail below, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as a limitation of the present invention.

[0079] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on those shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, ...

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Abstract

The invention relates to a thermal management control method for a multi-energy source fuel cell vehicle. Fuel cell vehicle thermal management system includes fuel cell subsystem, battery subsystem, supercapacitor subsystem, heat exchange subsystem and post-processing subsystem. The control method is based on the output current, output power and coolant outlet temperature of the fuel cell, storage battery and supercapacitor, and the heat required by the passenger compartment, in extreme cold mode, small cycle, medium cycle, large cycle and extreme heat mode Switch between thermal management system control methods. In each of the above modes, the controller of the thermal management system realizes the optimal efficiency of the power source by controlling the flow of coolant passing through each subsystem, and considers the fast response characteristics of the power source in a low temperature environment, thereby improving the economy of the fuel cell vehicle And fast response performance in low temperature environment.

Description

technical field [0001] The invention relates to the field of fuel cell vehicles, in particular to a thermal management control method for a multi-energy source fuel cell vehicle. Background technique [0002] Fuel cell vehicles use the fuel cell stack as the main energy source. Compared with the internal combustion engine system in traditional vehicles and the battery system in pure electric vehicles, it has the advantages of energy saving, environmental protection, high energy conversion rate, low noise, fast refueling, and energy saving. Advantages such as high density. Among them, the multi-energy source fuel cell vehicle composed of fuel cell, battery and super capacitor can combine the characteristics of high energy density, fast dynamic response and high power density of the three to ensure the performance of the whole vehicle. But for fuel cell vehicles with multiple energy sources, the thermal management control method is still a major factor hindering the developme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L58/40B60L50/40H01M8/04029H01M10/615H01M10/613H01M10/625H01M10/6556H01M10/6567H01M10/66H01G11/18
CPCB60L58/40B60L50/40H01M8/04029H01M10/615H01M10/613H01M10/625H01M10/6556H01M10/6567H01M10/66H01G11/18Y02T10/70Y02E60/10Y02E60/50Y02E60/13
Inventor 曾小华李亚朋聂彦鑫杜邵峰武庆涛牛超凡岳一霖黄钰峰
Owner JILIN UNIV
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