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Dual-motor drive system

A dual-motor drive and drive circuit technology, used in electric vehicles, control drive, transportation and packaging, can solve problems such as endangering driving safety, increased vibration and noise, and poor reliability, and achieve the effect of improving reliability.

Inactive Publication Date: 2012-11-14
TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional three-phase AC motor cannot realize the conversion between multiple working schemes when facing different road conditions and the driving system is in different driving states, nor can it adopt the corresponding driving scheme according to the actual power demand of the driving system to save energy
And in the failure mode such as the lack of phase of the drive system, the winding current of the three-phase motor rises sharply, and the vibration and noise increase, which affects the operating performance and life of the system, and even endangers driving safety. The reliability is poor

Method used

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  • Dual-motor drive system

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Embodiment Construction

[0013] The embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings. The following descriptions about the embodiments of the present invention are only exemplary, and are not intended to limit the subject matter to be protected in the present invention. There are other aspects of the described embodiments of the present invention. Changes within the protection scope of the claims all belong to the subject matter that needs to be protected in the present invention.

[0014] For the "coupling" mentioned in the present invention, according to the definition in the fields of electrical, electronic, and mechanical, it means that there is close cooperation and interaction between the input and output of two or more mechanical structures, circuit elements, or electrical networks. Influence, and the phenomenon of transmitting signals or energy from one side to another through interaction, in a nutshell, coupling is a measu...

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Abstract

The invention discloses a dual-motor drive system, wherein a first motor (2) and a second motor (4) are coupled to a mechanical coupling device (5); a first power supply (6) and a second power supply (7) are coupled to an AC (alternating-current)-DC (direct current) converter module (10) respectively; a drive circuit (9) is coupled to the AC-DC converter module (10); the AC-DC converter module (10) is coupled to the leading-out terminals of the first winding (1) of the first motor (2) and the second winding (3) of the second motor (4); a logical algorithm circuit (8) is coupled to the drive circuit (9); and a control module (11) is coupled to the logical algorithm circuit (8). Aiming at the defects of traditional motor systems, the motor drive system designed can optimize power supply and configuration and improve work reliability.

Description

technical field [0001] The invention relates to the technical field of motors and their control, in particular to a dual-motor drive system powered by dual power supplies. Background technique [0002] At present, with the continuous development of hybrid electric vehicles and pure electric vehicles, there are higher requirements for the working performance, working mode and energy-saving effect of the driving system of the vehicle under different road conditions. The traditional three-phase AC motor cannot realize the conversion between multiple working schemes when facing different road conditions and the driving system is in different driving states, nor can it adopt the corresponding driving scheme according to the actual power demand of the driving system to save energy. And in the failure mode such as the lack of phase of the drive system, the winding current of the three-phase motor rises sharply, and the vibration and noise increase, which affects the operating perfo...

Claims

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Application Information

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IPC IPC(8): B60L15/00
Inventor 赵雷余国权章紫星
Owner TIANJIN SANTROLL ELECTRIC AUTOMOBILE TECH CO LTD
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