Research on Application of Shield in Electromagnetic Protection of Power Intelligent Terminal

In the context of the rapid development of the Internet of Things, Electric power intelligent terminal is already an edge device of the “cloud-management-edge-end” architecture of the intelligent Internet of Things system, which has the functions of information collection, IoT agent and edge computing. In order to adapt to the complex operating environment, electromagnetic compatibility protection has become an important issue of its reliability and stability. Since the key components of the power intelligent terminal are highly integrated, such as MCU, Flash, DRAM, ESAM and power management chips are integrated on a core board, the design of the shield is of great significance to the reliability and stability of the key components. This paper aims to study the electromagnetic compatibility shielding technology of the core board of power intelligent terminal, and explore the problems and solutions through simulation and experiment, so as to improve the anti-interference ability and stability of power intelligent terminal.