Composition and Function of New Energy Charging Piles

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With the advancement of technology, the development of DC charging pile and non-vehicle charger has entered into the second stage, that is, the non-vehicle charger and DC charging pile are integrated into an integrated structure. At this time, the of the DC charging pile is directly connected to the power supply, and the output is still connected to the electric vehicle through the DC charging interface.


AC charging pile generally consists of pile body, electrical module, metering module and so on. The pile body includes the housing and the human-machine interface; the electrical module and the metering module are installed inside the pile body; the electrical module includes the charging socket, the cable adapter terminal block and the safety protection device, etc. General structure of AC charging pile.


The AC charging pile should generally have human-computer interaction function, metering function, external communication function and software upgrade function.
The human-machine interaction interface provides human-machine interaction functions, mainly including display function and function. The display function requires that the charging pile should be able to display relevant information in various states, and the function requires that the charging pile should have the function of manually setting charging parameters. The metering module provides the metering function for the output electric energy. The control unit of the charging pile is equipped with the relevant interface for external communication and the upgrade function of the system control software.


The system structure of DC charging pile is shown in Figure ***7, which mainly consists of charging pile controller, human-machine interaction interface, IC card reader, power conversion subsystem and power metering.

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