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Motor driver matching circuit

A motor driver and matching circuit technology, applied in the direction of connecting with control/drive circuit, suppressing electromagnetic interference, connecting with grounding device, etc. The effect of virtual welding

Active Publication Date: 2021-08-24
SHENZHEN SHIZONG AUTOMATION EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the signal output by a mature driver is directly used to drive the motor, it may be due to attenuation, interference or mismatch of the signal at the input and output terminals of the driver, which may cause the driver to fail to drive the motor or drive unstable, or signal attenuation and other reasons. Failure to drive the motor due to communication
In addition, by using a mature driver to drive the motor, it is necessary to connect each signal line of the driver to the external interface through a connecting cable, so that the driver may fail to drive the motor normally due to problems such as soldering of the connecting cable. to turn

Method used

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  • Motor driver matching circuit
  • Motor driver matching circuit
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Embodiment Construction

[0048] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

[0049] Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present invention. The occurrences of this phrase in various places in the specification are not necessarily all referrin...

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Abstract

The invention discloses a motor driver matching circuit, and the circuit comprises an input signal matching circuit, an output signal matching circuit, a driving signal matching circuit and an external interface circuit; the input signal matching circuit matches input signals and inputs the input signals to a motor driver; the output signal matching circuit is used for matching the signal output by the motor driver and then outputting the signal outwards; the driving signal matching circuit matches the motor driving signal output by the motor driver and then outputs the motor driving signal; and the external interface circuit inputs and outputs after matching the input and output signals of the motor driver. Matching input and output of signals can be achieved, and the problems that due to attenuation, interference or mismatching of the signals of the input end and the output end of the driver, driving of the driver to the motor fails or is unstable, and motor driving fails due to communication are solved. In addition, the external interface circuit adopts on-board wiring, so the problem of pseudo soldering caused by the fact that a standard driver is connected through a connecting line can be avoided.

Description

technical field [0001] The invention relates to the technical field of motor drive circuit equipment, in particular to a motor driver matching circuit. Background technique [0002] The motor usually needs to be driven by a driver, and the driver usually outputs a driving signal to drive the motor to rotate. In the existing technology, a mature driver can be used to output a driving signal to drive the motor to rotate. However, if the signal output by a mature driver is directly used to drive the motor, it may be due to attenuation, interference or mismatch of the signal at the input and output terminals of the driver, which may cause the driver to fail to drive the motor or drive unstable, or signal attenuation and other reasons. Failure to drive the motor due to communication. In addition, by using a mature driver to drive the motor, it is necessary to connect each signal line of the driver to the external interface through a connecting cable, so that the driver may fail...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K11/33H02K11/02H02K11/40
CPCH02K11/33H02K11/02H02K11/40
Inventor 王永炎王国辉
Owner SHENZHEN SHIZONG AUTOMATION EQUIP CO LTD