A relay working state monitoring system of chip protection device

Abstract

The application discloses a relay working state monitoring system of a chip-based protection device, which includes a control module, a start-up module, a self-check module and a relay switch-out module; the control module is respectively connected with the start-up module, the self-check module and the relay switch-out module, The start-up module is connected with the self-check module; the control module is used to control the start-up module and the relay to open the state of the module, so that the relay is in the state of ready to export or has been exported or not, according to the self-check module in each state of the relay feedback The self-check signal and the preset standard of the device determine whether the relay output module and / or the starting module are faulty, and if the relay switching module and / or the starting module are faulty, an alarm will be issued. Through the present application, the user can know the fault situation in time, avoid the relay from being accidentally exported, and ensure the reliable operation of the equipment, and the monitoring circuit of the present application is simple and the cost is low.

Description

technical field [0001] The present application relates to the technical field of industrial control, in particular to a relay working state monitoring system of a chip-based protection device. Background technique [0002] At present, in the fields of industrial control and relay protection, relays are one of the most common control devices and are widely used. [0003] In the driving circuit of the relay, the electromagnetic relay with simple and reliable function is currently used, but it cannot realize its own working state monitoring. The open circuit and short circuit of the starting module of the driving relay and the abnormality of the coil of the relay will lead to the wrong outlet of the relay, which will affect the reliable operation of the equipment and even cause major accidents. [0004] Therefore, how to provide a solution that can solve the above-mentioned technical problems is a problem that those skilled in the art need to solve at present. SUMMARY OF THE...

AI Technical Summary

Problems solved by technology

[0003] In the driving circuit of the relay, the electromagnetic relay with simple and reliable functions is currently used, but it cannot realize its own working status monitoring

The open circuit, short circuit of the starting module of the driving relay and the abnormality of the relay coil will lead to the wrong exit of the relay, affecting the reliable operation of the equipment, and even causing major accidents.

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