Calculation method and device for driving shaft life of electric vehicle

A technology for electric vehicles and drive shafts, which is applied in computing, computer-aided design, complex mathematical operations, etc., and can solve problems such as the lack of a method for calculating the life of electric vehicle drive shafts.

Active Publication Date: 2021-10-15
BEIJING ELECTRIC VEHICLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

An important indicator to measure the reliability of the drive shaft is the service life of the drive shaft. However, there is no method for calculating the life of the drive shaft of electric vehicles.

Method used

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  • Calculation method and device for driving shaft life of electric vehicle
  • Calculation method and device for driving shaft life of electric vehicle
  • Calculation method and device for driving shaft life of electric vehicle

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Embodiment Construction

[0021] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote 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, and are intended to explain the present application, and should not be construed as limiting the present application.

[0022] The method and device for calculating the life of a drive shaft of an electric vehicle according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0023] In the existing technology, in the transmission system of electric vehicles, the drive shaft assembly can transmit the power output by the gearbox to the wheels, so it is a very important part of the transmission system, and an important indicator to measure the reliability of the drive shaft is the drive ...

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Abstract

This application proposes a method and device for calculating the life of an electric vehicle drive shaft. The method includes: determining the angle coefficient of the drive shaft according to the installation angle of the drive shaft in the electric vehicle; Calculate the theoretical torque of the drive shaft at different vehicle speeds based on the correction coefficient below; determine the service life of the drive shaft according to the theoretical torque, rated torque and angle coefficient of the drive shaft of the universal joint of the drive shaft at different vehicle speeds. As a result, the calculation of the life of the drive shaft of the electric vehicle is realized, which provides a design basis for the design of new products and ensures that the design life of the drive shaft meets the needs of the entire vehicle.

Description

technical field [0001] The present application relates to the field of new energy technology, in particular to a method and device for calculating the life of an electric vehicle drive shaft. Background technique [0002] With the development of the economy and the further aggravation of environmental and energy issues, people's awareness of environmental protection has gradually increased. Electric vehicles are driven by electricity and have the advantage of zero emission, so they are gradually favored by people. [0003] In the electric vehicle transmission system, the drive shaft assembly can transmit the power output by the gearbox to the wheels, so it is a very important part of the transmission system. An important index to measure the reliability of the drive shaft is the service life of the drive shaft. However, there is no method for calculating the life of the drive shaft of electric vehicles at present. Contents of the invention [0004] This application aims ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/18G06F30/15G06F119/04
CPCG06F17/18G06F30/15G06F2119/04
Inventor 王庚川
Owner BEIJING ELECTRIC VEHICLE
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