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Method for determining coolant control parameters for electric vehicle power battery

A technology for power batteries and electric vehicles, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of shortening the mileage of electric vehicles on one charge, waste of energy of the whole vehicle, etc., achieve good control and reduce consumption, The effect of reducing R&D costs and shortening the test cycle

Inactive Publication Date: 2017-09-08
CH AUTO TECH CORP CO LTD
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  • Abstract
  • Description
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Problems solved by technology

In order to control the temperature of the lithium-ion power battery, regardless of the working conditions of the lithium-ion power battery, only a cold liquid medium is introduced in the case of overheating, and a hot liquid medium is introduced in the case of overcooling, which will also cause the entire vehicle Waste of energy, as mentioned earlier, the power battery of an electric vehicle is the power source of all energy input for the whole vehicle, and this method of not controlling the temperature of the liquid medium will also shorten the mileage of an electric vehicle on a single charge

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  • Method for determining coolant control parameters for electric vehicle power battery
  • Method for determining coolant control parameters for electric vehicle power battery
  • Method for determining coolant control parameters for electric vehicle power battery

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Embodiment Construction

[0064] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.

[0065] In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

[0066] In order to make the drawings concise, the figures in each figure only schematically show the relevant parts of the present invention, and do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked.

[0067] Herein, "one" does not m...

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Abstract

The invention discloses a method for determining coolant control parameters for an electric vehicle power battery. The method comprises the steps of correcting a simulation model by using a physical thermal management rack system of the electric vehicle power battery; and determining the coolant control parameters of the electric vehicle power battery under different factors and levels by adopting the corrected simulation model and an orthogonal experiment method. The optimal coolant control parameters of the electric vehicle power battery under different factors and levels are determined by adopting the orthogonal experiment method for combination of multiple factors and multiple levels, so that the accuracy of the simulation test result is ensured, the test frequency is reduced, the test period is shortened, the research and development progress of the electric vehicle is increased, the research and development cost of the electric vehicle is reduced, the optimal coolant control parameters under the multiple factors and levels and on the premise of ensuring the target of low consumption level are ensured, and a reliable test basis is provided for good control on the temperature of the electric vehicle power battery and reduction of the consumption.

Description

technical field [0001] The invention relates to the field of thermal management of electric vehicles, in particular to a method for determining control parameters of cooling liquid of power batteries of electric vehicles. Background technique [0002] Lithium-ion batteries are the first choice for electric vehicle power batteries. The suitable operating temperature range of lithium-ion batteries is 10°C to 30°C, while the operating temperature range of electric vehicles is -30°C to 50°C. It can be seen that the suitable operating temperature range of lithium-ion batteries is far narrower than that of electric vehicles. [0003] Electric vehicles are different from traditional vehicles. The power battery of an electric vehicle is the source of power for all energy input in the vehicle. In order to ensure that electric vehicles can have a long enough mileage and a good driving experience for a single charge, and ensure that the power battery has a long enough service life, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/15G06F30/20G06F2119/08
Inventor 陆群孙艳
Owner CH AUTO TECH CORP CO LTD
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