Selection method and system of electric vehicle battery
A technology of electric vehicles and storage batteries, applied in the field of vehicles, can solve the problems of increasing vehicle weight, raising costs, and large battery capacity
Active Publication Date: 2021-07-16
BAIC MOTOR CORP LTD
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Problems solved by technology
[0002] Most of the battery selection methods of existing electric vehicles adopt the selection method of the original fuel vehicle battery, which leads to the excessive capacity of the battery when selecting the battery type, and increases the weight of the vehicle and increases the cost.
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[0028] Embodiments of the present invention will be described in detail below, and examples of the embodiments are illustrated in the drawings, in which the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions. The following is exemplary, and is intended to be used herein, not to be construed as limiting the invention.
[0029] In the description of the invention, it is to be understood that the term "first", "second" is only used for the purpose of describing purposes, and cannot be understood as an instruction or implied relative importance.
[0030] These and other aspects of the embodiments of the present invention will be apparent from the following description and drawings. In these descriptions and drawings, some particular embodiments in the embodiments of the present invention are specifically disclosed, and some of the principles of the embodiments of the present invention will be disclosed, but it sho...
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The invention discloses a type selection method and a type selection system for an electric vehicle battery. The type selection method includes: obtaining the minimum starting current of the three-electric system of the electric vehicle; The percentage of actual capacity and rated capacity, the unit self-loss rate of the storage battery and the storage and transportation time of the storage battery; according to the minimum starting current of the three-electric system of the electric vehicle, the static current target value of the electric vehicle, the The rated capacity of the storage battery is determined by the percentage of the actual capacity of the storage battery to the rated capacity, the unit self-wearing rate of the storage battery and the storage and transportation time of the storage battery. The invention has the following advantages: the battery capacity suitable for the electric vehicle is selected, and the weight and cost of the whole vehicle are reduced under the premise of ensuring the demand of the electric vehicle.
Description
Technical field [0001] The present invention relates to the field of vehicle technology, and more particularly to a selection method and a selection system of an electric vehicle battery. Background technique [0002] Most of the battery selection of existing electric vehicles adopts the selection method of the original fuel car battery, resulting in too much capacity of the battery selection, while increasing the weight of the vehicle and improving the cost. Inventive content [0003] The present invention is intended to address at least one of the above technical problems. [0004] The inventors of the present application find that relative to traditional fuel cars, the startup of electric vehicles does not require starter, only need to operate normally. Based on this, the first object of the present invention is to propose a method of selecting an electric vehicle battery, which can determine a battery capacity suitable for electric vehicles that reduce the weight of the vehi...
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IPC IPC(8): B60L50/60B60L58/10H01M10/42
CPCY02E60/10Y02T10/70
Inventor 李雪姣胡海波刘慧颖
Owner BAIC MOTOR CORP LTD