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Determination method of electric vehicle voltage platform

A voltage platform and electric vehicle technology, applied in the direction of measuring electricity, measuring electrical variables, instruments, etc., can solve the problems of lack of safety and high cost of voltage platforms

Inactive Publication Date: 2020-10-30
JIANGXI JIANGLING GRP NEW ENERGY AUTOMOBILE CO LTD
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Problems solved by technology

[0005] In view of the above situation, it is necessary to provide a method for determining the voltage platform of electric vehicles in view of the lack of safety and high cost of the voltage platform of electric vehicles in the prior art

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  • Determination method of electric vehicle voltage platform
  • Determination method of electric vehicle voltage platform
  • Determination method of electric vehicle voltage platform

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Embodiment Construction

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0032] These and other aspects of embodiments of the invention will become apparent with reference to the following description and drawings. In these descriptions and drawings, some specific implementations of the embodiments of the present invention are specifically disclosed to represent some ways of implementing the principles of the embodiments of the present invention, but it should be understood that the scope of the embodiments of the present invention is not limited by this limit. On the contrary, the embodiments of the present...

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Abstract

A method for determining the voltage platform of an electric vehicle, comprising: determining the required power of the load of the electric vehicle; analyzing the maximum current of the battery under natural air cooling conditions according to thermal management conditions; calculating according to the required power and the maximum current The minimum operating voltage of the battery; determine the maximum operating voltage of the battery according to the switching device selected by the user and the rated voltage of the single cell of the battery; determine the maximum operating voltage according to the minimum operating voltage and the maximum operating voltage The voltage platform of the battery. The embodiments of the present invention can ensure the reliability and high safety of the electric vehicle during use on the basis of satisfying the safety and power economy of the electric vehicle, and reduce the cost, which is beneficial to the rapid popularization of the electric vehicle.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to a method for determining a voltage platform of an electric vehicle. Background technique [0002] With the increasing shortage of energy and the rising calls for environmental protection, electric vehicles, as a low-carbon and clean means of transportation, have attracted great attention from governments all over the world. The power battery system is the only energy source for pure electric vehicles, providing high-voltage sources for the high-voltage component systems of the vehicle. Power batteries in electric vehicles generally use batteries made of nickel-cobalt-manganese ternary materials. [0003] Due to the inconsistency of the levels of the high-voltage components in the electric vehicle, the ideal operating voltage range is different, so it is particularly important to choose a universal voltage platform for electric vehicles. [0004] In the existing technology, the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/385
Inventor 刘俊宇江先念沈祖英俞钟兢单丰武姜筱华
Owner JIANGXI JIANGLING GRP NEW ENERGY AUTOMOBILE CO LTD
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