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A Braking Circuit Fault Diagnosis Circuit of Servo Drive

A technology of servo drive and fault diagnosis, which is applied in the direction of electronic circuit testing, instrumentation, measuring electricity, etc. It can solve the problems of incomplete fault detection of fault detection circuits and failure to meet the requirements of use, and achieve comprehensive fault type detection and convenient maintenance. The effect of short intervals

Active Publication Date: 2020-12-04
JIHUA LAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a brake circuit fault diagnosis circuit of a servo driver, aiming to solve the problem that the fault detection of the existing fault detection circuit is not comprehensive and cannot meet the requirements of use

Method used

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  • A Braking Circuit Fault Diagnosis Circuit of Servo Drive
  • A Braking Circuit Fault Diagnosis Circuit of Servo Drive
  • A Braking Circuit Fault Diagnosis Circuit of Servo Drive

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Embodiment Construction

[0022] Embodiments of the present invention 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 only for explaining the present invention and should not be construed as limiting the present invention.

[0023] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating ...

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Abstract

The invention discloses a brake circuit fault diagnosis circuit of a servo driver. According to the brake circuit fault diagnosis circuit, MCU sends a driving signal for driving the servo driver to adriving and fault detection module; the driving and fault detection module isolates and amplifies the driving signal and then sends the driving signal to a main power part; the main power part feeds back an operation signal to the driving and fault detection module, and the driving and fault detection module detects fault information of the driving signal, a brake circuit and a diagnosis circuit according to the fed-back operation signal and feeds back the fault information to the MCU; the diagnosis circuit can detect the working state of the brake circuit in real time, and has the advantagesof comprehensive fault type detection, rapid fault positioning, convenient maintenance, short maintenance interval time and the like.

Description

technical field [0001] The invention relates to the field of industrial automation / robot technology, in particular to a brake circuit fault diagnosis circuit of a servo driver. Background technique [0002] As the drive control unit in the field of industrial automation and robotics, the servo drive is the basis of the entire motion control system. Due to the different load characteristics, braking or deceleration of the permanent magnet servo motor controlled by the servo drive, the driving object will feed back energy to the servo drive through the servo motor, causing the bus voltage of the servo drive to rise rapidly, and the voltage rise will be It brings many damages to the driver, such as exceeding the maximum withstand voltage value of the device and causing the driver to burn out, increasing the interference of the driver and causing communication errors of the driver itself or the system, endangering the normal operation of the system. [0003] Therefore, when sup...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/54G01R31/52G01R31/28
CPCG01R31/282G01R31/52G01R31/54
Inventor 胡荏王宏李剑邓锦祥马青林马天奇
Owner JIHUA LAB
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