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Preheating control method and device for plug-in fuel cell vehicle

A fuel cell and vehicle preheating technology, which is applied to battery/fuel cell control devices, electric vehicles, vehicle components, etc., can solve problems such as inability to start and wait for start-up time, and achieve the effect of reducing power loss and ensuring cruising range

Pending Publication Date: 2020-11-06
苏州汉翱新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a plug-in fuel cell vehicle warm-up control method and device, which solves the shortcomings of existing fuel cell vehicles that cannot be started at low temperatures or wait for a long time to start.

Method used

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  • Preheating control method and device for plug-in fuel cell vehicle

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] As shown in the figure, an embodiment of the present invention discloses a preheating control method for a plug-in fuel cell vehicle, the method comprising:

[0031] Set travel time and warm-up requirements through the APP;

[0032] Detect whether the car needs to be charged;

[0033] After charging is completed or when there is no need to charge, TBOX calculates the warm-up time in advance;

[0034] Set the TBOX wake-up time, and the vehicle...

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Abstract

The invention discloses a preheating control method and device for a plug-in fuel cell vehicle. The method comprises the steps that the travel time and a preheating demand are set through an APP; whether the automobile needs to be charged is detected; after the charging is completed or when the charging is not needed, the TBOX calculates the advanced preheating time; the TBOX awakening time is set, and the vehicle enters a sleep state after setting is completed; after the time is up, the TBOX is awakened, the VCU is awakened after the TBOX is awakened, the BMS\ FCU\ MCU\ DCDC&OBC is awakened by the VCU, and state monitoring is carried out; the OBC is started after completion of determination, electric quantity is provided for work of the PTC, and a power battery and a fuel cell system arepreheated; after preheating is completed, the vehicle enters a sleep state, and the vehicle is started by a user. The defect that an existing fuel cell vehicle cannot be started at a low temperature or waits for a long time to be started is overcome.

Description

technical field [0001] The invention relates to the technical field of fuel cell vehicles, in particular to a preheating control method and device for a plug-in fuel cell vehicle. Background technique [0002] Fuel cells and power batteries have the advantages of high energy conversion efficiency, environmental friendliness, and no noise, and have become the preferred power source to solve the problems of environmental pollution and energy depletion. [0003] There is a large amount of water inside the proton exchange membrane fuel cell when it is working, including the water generated by the reaction and the water used for humidification during the reaction. In the low temperature environment of the proton exchange membrane fuel cell, due to the freezing of liquid water inside the battery, it may make it difficult to start, prolong the start-up time, and damage the structure of the membrane cell. In order to ensure successful startup, the stack needs to be preheated. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/34
CPCB60L58/34Y02T90/40
Inventor 胡晓松李敏强陈寅峰殷婷婷
Owner 苏州汉翱新能源科技有限公司
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