Current-sharing circuit structure and electric vehicle motor control adopting that structure

A technology of circuit structure and current sharing, applied in the direction of AC motor control, electric vehicles, motors, etc., can solve the problems of poor layout rationality, poor current sharing effect of electric industrial vehicle motor controllers, etc., to shorten the current flow direction and solve the problem of uniformity Poor current flow effect, improve the effect of current equalization effect

Pending Publication Date: 2019-01-15
北京友信宏科电子科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of this application is to provide a current sharing circuit structure and a motor controller for electric industrial vehicles using this structure, so as to solve the problems of poor current sharing effect and poor layout rationality of the motor controller for electric industrial vehicles

Method used

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  • Current-sharing circuit structure and electric vehicle motor control adopting that structure
  • Current-sharing circuit structure and electric vehicle motor control adopting that structure
  • Current-sharing circuit structure and electric vehicle motor control adopting that structure

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0024] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...

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Abstract

The present application discloses a current sharing circuit structure and an electric motor controller of an electric industrial vehicle using the structure. The current sharing circuit structure comprises a power board and a power board, the top surface of the power board is provided with a U, V, W three-phase terminal and DC pump motor terminal, the U, V, W three-phase terminal is externally connected with a three-phase alternating current motor, The DC pump motor terminal is externally connected with the DC pump motor, and a positive input terminal and a negative input terminal for simultaneously supplying power to the power board and the power board are arranged between the power board and the power board, and the positive input terminal and the negative input terminal are externally connected with a DC power supply. The present application solves the technical problems of poor current sharing effect and poor layout rationality of the motor controller of an electric industrial vehicle.

Description

technical field [0001] The present application relates to the field of motor controllers, in particular, to a current sharing circuit structure and an electric industrial vehicle motor controller adopting the structure. Background technique [0002] High-efficiency control of AC asynchronous motors can be achieved through electric industrial vehicle motor controllers, and are widely used in low-speed electric industrial vehicles that use electric motors as driving devices, such as patrol cars, passenger cars, logistics vehicles, etc. [0003] But at this stage, the current sharing structure used by the AC motor controller of electric industrial vehicles is to distribute the current evenly to the U, V, and W three-phase terminals according to the scheme of the shortest current flow, and the current sharing method is through the positive input wiring. The current is first connected to the power board through the copper column and the negative input terminal, and then connected...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P25/16H02P27/06B60L15/00
CPCB60L15/007H02P25/16H02P27/06Y02T10/64
Inventor 韩星光韩彦杰
Owner 北京友信宏科电子科技股份有限公司
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