Detection and monitoring system of high-voltage frequency converter power unit and mainboard thereof

Abstract

The invention discloses a detection and monitoring system of a high-voltage frequency converter power unit and a mainboard thereof, and is used for performing functional testing on the high-voltage frequency converter power unit and the power unit mainboard. The detection and monitoring system comprises a computer, instruments and meters, a +24V power supply module, a detection mainboard, a detection interface extension board, a detection relay board, a detection display board, a communication connection equipment interface and an external switch. According to the detection and monitoring system, the detection and monitoring process and data of the high-voltage frequency converter power unit and the mainboard thereof are managed and controlled by the computer so that detection and monitoring of the high-voltage frequency converter power unit and the mainboard thereof can be realized, previous artificial detection can be replaced, false detection and leak detection of the detected equipment can be effectively avoided, and factory detection cost of high-voltage frequency converter equipment can be reduced. Besides, source programs involved in the detection and monitoring process are packaged into executive programs which can be directly operated, and testing can be performed by directly executing the packaged programs with no requirement for installation so that the requirements of users for detection and monitoring can be conveniently, rapidly and efficiently met.

Description

technical field [0001] The invention relates to the technical field of automatic detection and monitoring of industrial electrical and power electronic control equipment, in particular to a detection and monitoring system for a high-voltage frequency converter power unit and its main board. Background technique [0002] For industrial electrical and power electronic control equipment systems, especially industrial automatic control equipment with multi-CPU cooperative work with high-voltage communication, the system is becoming more and more complex. The system is composed of different voltage levels, power capacity, and the combination is dynamic and changeable. , There are more and more relevant factors that affect the accurate detection and monitoring of the equipment system, including but not limited to, the working mode limitation of the system equipment, the degree of understanding of the equipment by the inspector, the proficiency of the operator, the characteristics o...

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention aims to propose a detection and monitoring system for the power unit of the high-voltage frequency converter and its main board. Through the corresponding circuit and control method, the detection and monitoring of the high-voltage frequency conversion power unit and its main board can be realized, and the third-party high-voltage Electronic equipment such as frequency conversion power units are automatically inspected at the factory to replace the previous manual inspection, which effectively avoids the occurrence of equipment misdetection and missed inspection, reduces the cost of high-voltage inverter equipment factory inspection, and also solves the existing detection and monitoring methods. And the system is inconvenient to use under certain conditions, and may cause problems such as inaccurate test results

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