System and method for realizing network security control function based on wireless sensor in transformer substation

Abstract

The invention relates to a system for realizing a network security control function based on a wireless sensor in a transformer substation, and the system comprises a wireless sensor and a wireless data collection terminal, and each of the wireless sensor and the wireless data collection terminal is both of a star network structure without a relay node. The invention also relates to a method for realizing the network security control function based on the wireless sensor in the transformer substation. By adopting the system and the method for realizing the network security control function based on the wireless sensor in the transformer substation, the characteristic of micro-power operation of the wireless sensor is fully considered, and the control management of the network security is systematically designed. The method is characterized in that secret key management is automatically generated by software based on the unique code of the MCU and can only be read by a programming tool,each sensor has an independent secret key, a secret key generator is not needed, and the method is quick, convenient, safe, low in cost and free of extra power consumption.

Description

technical field [0001] The invention relates to the field of the Internet of Things, in particular to the field of substation wireless transmission, and specifically refers to a system and method for realizing network security control functions based on wireless sensors in a substation. Background technique [0002] With the development and wide application of Internet of Things technology, wireless micropower wireless sensor networks based on wireless micropower are gradually being applied in current substations. Taking the platen state monitoring system as an example, it includes two parts: the platen state sensor and the data acquisition terminal. The platen state sensor perceives the state of the platen in real time based on the non-electric principle, and the data acquisition terminal realizes the aggregation, reception and processing of the small wireless signals sent by the platen position sensor, and communicates with the external application system. Wireless sensor...

AI Technical Summary

Problems solved by technology

[0003] 1) The privacy of data transmission is low, and it is easy to be monitored and analyzed by external systems, resulting in information leakage

[0004] 2) From the signal interference in the wireless communication process, the attacker uses frequency interference to destroy the signal received by the sensor node and destroy the connection between the sensor node and the acquisition terminal

[0005] 3) The attacker forges the sensor node to achieve the purpose of intruding into the collection terminal, and further invades the internal communication network of the substation through the collection terminal as a relay, causing serious network security accidents

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