Device and method capable of intelligently detecting electric leakage switch in communicating mode

Abstract

The invention provides a device capable of intelligently detecting an electric leakage switch in a communicating mode. The device capable of intelligently detecting the electric leakage switch in a communicating mode comprises an upper computer, wherein a central processing unit is connected with the upper computer and a DA converting unit, the DA converting unit is connected with a constant-current control unit through a power amplification unit, the constant-current control unit is connected with the electric leakage switch to be detected through a power supply, and a switch tripping judging unit and the two ends of a leakage current feedback collection unit are connected with the central processing unit and the electric leakage switch to be detected respectively. The invention further provides a method capable of intelligently detecting the electric leakage switch in a communicating mode. Test parameters are set by the upper computer, and the central processing unit reads and analyzes the test parameters, outputs corresponding control signals, generates leakage current signals after data conversion, inputs the leakage current signals to the electric leakage switch, simulates the electric leakage signals, and judges and collects tripping information of the electric leakage switch. The device capable of intelligently detecting the electric leakage switch in a communicating mode can automatically adjust leakage current, is accurate in closed loop feedback, has a strong protection function and a communication function, is convenient, rapid and intelligent to test, and improves measuring accuracy.

Description

technical field [0001] The invention relates to an intelligent communication leakage switch detection device and method, belonging to the technical field of electronic information. Background technique [0002] At present, the leakage protection device is a grounding protection device used to prevent personal electric shock and accidents caused by leakage. When the leakage current of the circuit or electrical equipment is greater than the setting value of the device, and people or animals are in danger of electric shock, it can quickly act and cut off Accident power supply, to avoid the expansion of the accident, to ensure the safety of personal and equipment. [0003] The leakage protection device completes the protection function by detecting the current balance state in the circuit. When the electrical equipment is operating normally, the current in the line is in a balanced state, and the sum of the current vectors in the zero-sequence transformer of the leakage protecti...

AI Technical Summary

Problems solved by technology

[0005] 1) The leakage current needs to be adjusted manually, the adjustment speed is slow, the detection efficiency is low, and it cannot be automatically tested according to the standard test method;

[0006] 2) The leakage current control accuracy is low, and it is difficult to accurately obtain the corresponding current value;

[0007] 3) The leakage output lacks protection, and it is easy to damage the equipment and endanger the safety of the operator when a fault occurs;

[0008] 4) It does not have communication function and cannot communicate with other instruments and equipment to meet the requirements of system integration test or production line test

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