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Robot safety logic control system

A technology of control system and safety logic, applied in general control system, control/regulation system, program control in sequence/logic controller, etc., can solve the problem of low safety level and achieve the effect of improving safety control level

Active Publication Date: 2020-10-16
HANGZHOU KAIERDA ROBOT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problem of low safety level of the existing industrial robot control system, the present invention provides a robot safety logic control system with multi-module interlocking to provide multiple protection mechanisms

Method used

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  • Robot safety logic control system
  • Robot safety logic control system

Examples

Experimental program
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Effect test

Embodiment Construction

[0042] Such as figure 1As shown, the safety logic control system provided by this embodiment includes a servo drive module 1, a safety unit 2, and a bus transmission master station 3 connected to each other. The safety unit 2 and the bus transmission master station 3 monitor each other, and the safety unit 2 and the servo A first safety loop 10 is established between the drive modules 1 , and a second safety loop 20 is established between the bus transmission master station 3 and the servo drive module 1 . When the safety unit 2 receives an abnormal input signal, detects that the bus transmission master station 3 fails or itself fails, the first safety loop 10 generates a first safety control signal K1 to turn off the output of the servo drive module. At the same time, when the bus transmission master station 3 receives the abnormal input signal output by the safety unit 2, or when it fails or detects that the safety unit 2 fails, a second safety control signal K2 is generated...

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Abstract

The invention provides a robot safety logic control system. The system comprises a servo driving module, a safety unit and a bus transmission main station which are connected with one another. The safety unit and the bus transmission main station are mutually monitored, a first safety loop is established between the safety unit and the servo driving module, and a second safety loop is establishedbetween the bus transmission main station and the servo driving module. When the safety unit receives the abnormal input signal and monitors that the bus transmission main station breaks down or breaks down, a first safety control signal is generated in the first safety loop to close the output of the servo driving module. Meanwhile, when the bus transmission main station receives an abnormal input signal output by the safety unit, the bus transmission main station breaks down or monitors that the safety unit breaks down, a second safety control signal is generated in the second safety loop soas to close the output of the servo drive module.

Description

technical field [0001] The invention relates to the field of robot control, and in particular to a robot safety logic control system. Background technique [0002] With the continuous advancement of industrial automation, most production lines are automated, and various types of industrial robots are applied to different product production lines to apply to different application scenarios, thus saving a lot of manpower and financial resources and greatly improving work efficiency. . [0003] For industrial robots, safety comes first. In the existing industrial robot control system, the safety logic is mainly realized by the independent module (i.e. safety unit) in the robot control cabinet; for example, when the emergency stop signal is input from the outside or the teaching pendant inputs the emergency stop signal, the safety unit Output the safety signal to close the output of the servo drive module, so as to realize the emergency stop of the robot action to ensure safet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05
CPCG05B19/054G05B2219/13142
Inventor 侯润石魏秀权王胜华
Owner HANGZHOU KAIERDA ROBOT TECH CO LTD
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