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Power battery preheating method and device, vehicle and storage medium

A power battery and vehicle technology, applied in the field of vehicles, can solve problems such as low ambient temperature, prolonged charging cycle, and impact on power battery life

Inactive Publication Date: 2020-01-21
BYD CO LTD
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  • Abstract
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Problems solved by technology

[0003] At present, in winter, especially in the north, the weather environment is relatively harsh and the ambient temperature is low, which leads to low charging efficiency of the power battery of new energy vehicles, especially when charging with high power, it will prolong the charging cycle and affect the life of the power battery. have an impact

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  • Power battery preheating method and device, vehicle and storage medium
  • Power battery preheating method and device, vehicle and storage medium
  • Power battery preheating method and device, vehicle and storage medium

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Embodiment Construction

[0052] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0053] First, an implementation environment of the present disclosure will be described. See figure 1 , figure 1 A schematic diagram of a possible implementation environment proposed by an embodiment of the present disclosure. The vehicle 100 includes a vehicle controller 10, a BMS (Battery Management System, battery management system) (ie, a battery management system 15), two sets of power batteries 11, an energy storage battery 12, a battery 13, a heater 14, and an inverter control module 16 And solar panel 17, the connection relation between each parts is as follows figure 1 shown. The vehicle controller 10 of the vehicle 100 can communicate with the ...

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Abstract

The invention relates to a power battery preheating method, a power battery preheating device, a vehicle and a storage medium. The power battery preheating device can preheat a power battery before charging so as to save charging time of the power battery. The power battery preheating method includes the steps of receiving a battery preheating instruction from a terminal; and supplying power to aheater through a vehicle-mounted battery of the vehicle according to the battery preheating instruction so as to preheat the power battery of the vehicle.

Description

technical field [0001] The present disclosure relates to the technical field of vehicles, and in particular, to a method and device for preheating a power battery, a vehicle and a storage medium. Background technique [0002] In recent years, under the strong support of national policies and the call for energy conservation and emission reduction, new energy vehicles have gradually become the darling of major car companies, and the penetration rate of electric vehicles and gasoline-electric hybrid vehicles has become higher and higher. For new energy vehicles, power batteries are the core components that power new energy vehicles. [0003] At present, in winter, especially in the north, the weather environment is relatively harsh and the ambient temperature is low, which leads to low charging efficiency of the power battery of new energy vehicles, especially when charging with high power, it will prolong the charging cycle and affect the life of the power battery. make an i...

Claims

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Application Information

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IPC IPC(8): B60L58/27B60L58/24B60L58/10B60L1/00H02J7/35
CPCB60L2240/545H02J7/35Y02T10/70
Inventor 王洪军李振吴兴国马爱国叶征愚
Owner BYD CO LTD
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