Power system, charging method, storage medium of electric vehicle and electric vehicle
A technology of electric vehicles and power systems, which is applied in the direction of electric vehicles, vehicle energy storage, battery/fuel cell control devices, etc., can solve the problems of reduced service life of battery packs, and achieve the effect of improving service life
Active Publication Date: 2021-03-02
CHERY AUTOMOBILE CO LTD
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Problems solved by technology
[0006] The application provides a power system, a charging method, a storage medium and an electric vehicle for an electric vehicle, which can solve the problem of reduced service life of the battery pack
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[0041] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0042] The embodiment of the present invention provides a power system of an electric vehicle, please refer to figure 1 , figure 1 It is a block diagram of a power system 10 of an electric vehicle provided by an embodiment of the present invention, and the power system 10 of the electric vehicle may include:
[0043] The control assembly 11, the temperature detection assembly 12 and a plurality of power assemblies 13, each power assembly in the plurality of power assemblies 13 may include: a battery module 131 and a heating film 132 connected in one-to-one correspondence, and the temperature detection assembly 12 is connected with Each battery module 131 is connected to the control assembly 11 .
[0044] The temperature detection com...
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The invention discloses a power system of an electric vehicle, a charging method, a storage medium and the electric vehicle, and belongs to the technical field of electric vehicles. The power system of the electric vehicle includes: a control component, a temperature detection component and a plurality of power components; a temperature detection component is used to detect the temperature of each battery module; a control component is used to obtain the detection result of the temperature detection component. After each heating film starts to heat the corresponding battery modules, the temperature difference equalization process is repeated until the temperature of each battery module is greater than the preset temperature threshold, and each battery module is charged. During the heating process of the battery module In , the power supply for each heating film is an external power supply. By repeatedly executing the voltage difference equalization mode, the voltage difference between each battery module is small, thereby effectively improving the service life of the battery module. The invention is used in electric vehicles.
Description
technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a power system, a charging method, a storage medium and the electric vehicle of the electric vehicle. Background technique [0002] With the intensification of the energy and environmental crisis, it is particularly important to study an energy-saving and environmentally friendly vehicle that can relieve energy pressure and reduce environmental pollution. Therefore, pure electric vehicles that replace traditional power sources with battery packs and drive motors have emerged as the times require One of the main development directions of industry. Among them, the battery pack is the main power source of pure electric vehicles and the core component of the power system of pure electric vehicles. The battery pack is composed of multiple battery modules connected in parallel, and each battery module is composed of multiple monomers Batteries connected in series. [0003] ...
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IPC IPC(8): B60L58/10B60L58/27
CPCY02T10/70
Inventor 余洁韩友国杨玉梅姚朝华
Owner CHERY AUTOMOBILE CO LTD