With the construction of new power system, the number of new energy power stations, energy storage stations and other constructions will increase rapidly, which puts forward higher requirements for standardized operation and personnel safety in power infrastructure construction and operation inspection. The traditional safety management mode with on-site supervision as the main method no longer meets the requirements of current power grid scale, organization setting and the number of production activities. 5G edge IoT proxy communication terminal of power system is developed in this paper, which adopts the artificial intelligence technology of face recognition and safety helmet recognition, and uses the characteristics of 5G high speed, low latency, large connection and Beidou high-precision positioning, which can effectively expand the monitoring range and control ability. Using 5G edge IoT proxy communication terminal of power system to build an intelligent, all-round and information-based safety supervision and management system can effectively improve the safety supervision level of personnel at all levels of operation inspection and infrastructure construction site, realize the whole process safety control, risk analysis and early warning function of operation environment and process, and support the digital transformation of State Grid.
Aiming at the advantages of less I2C interface lines and simplified control mode, I2C interface is used to read the data of sensor equipment. Firstly, the sensor node is composed of six modules: power supply module, sensor module, calculation module, storage module, communication module and embedded software system, and the functions of these modules are described in detail. Then the master-slave devices corresponding to I2C drive are introduced; Then the I2C protocol and the functions of bme680 sensor used in this scheme are summarized, including the bus composition, communication principle and bus physical topology of I2C. The functions of bme680 sensor introduce bme680 sensor, pin layout and pin assignment. The whole I2C driver design includes the configuration process of bme680 sensor, read-write timing and driver design. The I2C bus device driver is designed, and the driver that reads the data of bme680 sensor device in the sensor node with the new Tang processor m263kiaae is implemented. The driver can successfully read bme680 sensing data.
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