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Self-heating system and method for power battery of hydrogen energy fuel cell automobile

A technology of automotive power batteries and fuel cells, applied in electric vehicle charging technology, battery/fuel cell control devices, electric vehicles, etc., can solve the problems of reduced discharge capacity, poor discharge performance of power batteries, and reduced discharge voltage, etc., to achieve The effect of saving heating energy consumption and low application cost

Pending Publication Date: 2021-11-16
WUHAN GROVE HYDROGEN AUTOMOBILE CO LTD
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AI Technical Summary

Problems solved by technology

However, in low temperature environment, the discharge performance of the power battery becomes worse, the discharge voltage is significantly reduced, and the discharge capacity is significantly reduced.

Method used

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  • Self-heating system and method for power battery of hydrogen energy fuel cell automobile

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Embodiment Construction

[0023] In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0024] The present invention provides a self-heating system and method for a power battery of a hydrogen energy fuel cell vehicle. The system includes:

[0025] Vehicle controller VCU, vehicle T-BOX, battery management system BMS, driving computer ECU1, fuel cell controller FCU and mobile APP;

[0026] Among them, the vehicle controller VCU, the vehicle T-BOX, the battery management system BMS, and the driving computer ECU1 are connected and communicated through the CAN bus;

[0027] The vehicle T-BOX and mobile APP communicate with the service provider TSP through the wireless network.

[0028] Please refer to figure 1 , figure 1 It is a schematic flow chart of a self-heating method for a power battery of a hydrogen fuel cell vehicle proposed by the ...

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Abstract

The invention discloses a self-heating system and method for a power battery of a hydrogen energy fuel cell automobile. The system comprises a vehicle control unit VCU, a vehicle-mounted T-BOX, a battery management system BMS, a trip computer ECU1, a fuel cell controller FCU and a mobile phone APP. The vehicle control unit VCU, the vehicle-mounted T-BOX, the battery management system BMS and the trip computer ECU1 are connected and communicate through a CAN bus. The vehicle-mounted T-BOX and the mobile phone APP communicate with the service provider TSP through a wireless network. The method specifically comprises the steps that a service provider TSP obtains the local temperature in real time in the power-off parking period, and when the environment temperature of the geographic position where a vehicle is located is lower than a set threshold value A, the service provider TSP sends a vehicle using reminding plan to a mobile phone APP through a wireless network; the mobile phone APP feeds back whether the vehicle is used or not, and if the vehicle is fed back within the preset time T1, a power battery automatically enters a heating state; and otherwise, the service provider TSP sends the vehicle use reminding plan again after a certain period of time. The invention has the beneficial effects that the cost is low, and the heating energy consumption of the power battery can be saved.

Description

technical field [0001] The invention relates to the field of hydrogen energy vehicles, in particular to a self-heating system and method for a power battery of a hydrogen energy fuel cell vehicle. Background technique [0002] Hydrogen fuel cell vehicles can completely achieve zero pollution, zero emissions, short energy storage time, and long cruising range. It is one of the development directions of new energy vehicles in the future. Since the hydrogen fuel cell does not have the function of energy recovery, the vehicle needs to be equipped with a power battery for energy recovery and auxiliary drive of the vehicle. However, in a low temperature environment, the discharge performance of the power battery becomes worse, the discharge voltage is significantly reduced, and the discharge capacity is significantly reduced. Therefore, it is very necessary to heat and insulate the fuel cell vehicle power battery. Contents of the invention [0003] In order to solve the above ...

Claims

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Application Information

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IPC IPC(8): B60L58/34
CPCB60L58/34Y02T90/40Y02T90/16
Inventor 谭乐郝义国陈华明
Owner WUHAN GROVE HYDROGEN AUTOMOBILE CO LTD
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