Intelligent integrated power supply insulation detection module

Abstract

The invention discloses an intelligent integrated power supply insulation detection module which comprises a master control chip, a JTAG interface circuit, a network communication circuit, an isolating circuit, a power supply circuit, an address selecting circuit, an RS485 interface circuit and a data collecting circuit. The JTAG interface circuit, the network communication circuit, the power supply circuit, the address selecting circuit, the RS485 interface circuit and the data collecting circuit are connected with the master control chip. The isolating circuit is connected with the master control chip through the network communication circuit, and the isolating circuit is connected with an RJ45 communication interface. The RS485 interface circuit is connected with an RS485 communication interface. The data collecting circuit comprises a reference voltage circuit, a voltage superposition module, an operation amplifier amplifying module and a voltage following module. The intelligent integrated power supply insulation detection module has the advantages of being long in transmission distance, high in interference resisting capability, high in reliability and safety, simple in circuit, easy to use, practical and the like.

Description

technical field [0001] The invention relates to an intelligent integrated power supply insulation detection module. Background technique [0002] With the construction of smart grid, the development of new energy, the rapid development of rail transit and the continuous increase of investment in intelligent technology transformation of residential electricity, the market demand has steadily increased, and the requirements for diversity and flexibility of power supply products have gradually emerged. , especially under the general situation of national energy conservation and emission reduction, the requirements for new technology application of power supply products are relatively high. The intelligent integrated power supply system is an intelligent high-frequency switching power supply system specially developed for various substations, power plants and other users, which is stable and reliable. The system adopts high-reliability and high-efficiency modules, which can pro...

AI Technical Summary

Problems solved by technology

[0004] The current power insulation detection modules on the market have problems such as short transmission distance, poor accuracy, susceptibility to interference, and poor safety performance. In severe cases, there will be misoperation, which may easily cause major production accidents.

At present, the data acquisition circuit capable of power insulation detection on the market has problems such as single acquisition method, non-adjustable, poor accuracy, susceptible to interference, and large volume.

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