Battery pack matching method of electric automobile

A technology of electric vehicles and matching methods, which is applied in secondary batteries, secondary battery manufacturing, secondary battery repair/maintenance, etc., and can solve the problem of inconvenient battery pack matching

Pending Publication Date: 2022-03-18
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology

[0003] The invention provides a battery pack matching method for an electric vehicle, which solves the problem of inconvenient matching of the battery pack of the existing electric vehicle, improves the

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  • Battery pack matching method of electric automobile

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Embodiment Construction

[0034] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0035] Aiming at the problem of inconvenient matching of battery packs of electric vehicles, the present invention provides a method for matching battery packs of electric vehicles, which solves the problem of inconvenient matching of battery packs of existing electric vehicles, and can improve the matching of battery packs of electric vehicles. The efficiency and convenience of load matching ensures that the discharge capacity of the battery pack meets the load requirements of electric vehicles.

[0036] Such as figure 1 As shown, a battery pack matching method for electric vehicles, including:

[0037] S1: Obtain the rated voltage, operating voltage range and rated power of each load of the electric vehicle, ...

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Abstract

The invention provides a battery pack matching method for an electric vehicle, which comprises the following steps: acquiring rated voltage, working voltage range and rated power of each load of the electric vehicle, and calculating the rated power of the total load according to the rated power of each load to determine the required power of the whole vehicle; acquiring a required battery type, a single voltage and a single capacity, and determining a voltage interval and a battery series number of the battery pack according to a rated voltage and a working voltage range; determining the high-efficiency output capability of the current of the single battery according to the battery type, the single voltage and the single capacity so as to determine the discharge interval of the single battery, and further calculating the parallel number of the batteries; obtaining battery pack capacity and battery pack rated voltage according to the battery series connection number and the battery parallel connection number; and calculating the capacity required by the load according to the required power of the whole vehicle, and matching the battery pack required by the vehicle when the capacity of the battery pack is greater than the capacity required by the load. The working efficiency and convenience of matching of the battery pack and the load of the electric vehicle can be improved.

Description

technical field [0001] The invention relates to the technical field of automobile batteries, in particular to a battery pack matching method for electric automobiles. Background technique [0002] Electric vehicles are considered to be an important direction for the development of new energy vehicles. However, the development of electric vehicles is restricted due to the shortcomings of electric vehicles such as short battery life and long power supply time. Since the vehicle is a personalized consumer product, the wheelbase, wheelbase and voltage level of the vehicle's high-voltage system are different for electric vehicles produced by various manufacturers. At the same time, the voltage level of the high-voltage system selected by various car manufacturers for designing electric vehicles is different. When the energy installed in the same standardized battery box is the same or similar, there may be deviations in the voltage level. As a result, power batteries of differen...

Claims

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Application Information

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IPC IPC(8): H01M10/04H01M10/42
CPCH01M10/04H01M10/4207Y02E60/10Y02P70/50
Inventor 詹声根谢正娟陈浩施志杰李大朋郑海张飞贺李坤鹏郑平蒋辉
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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