Wireless private network charging pile control system based on 1.8g frequency band

Abstract

A wireless private network charging pile control system based on a 1.8G frequency band provided by the present invention includes a power supply unit, a control unit, a charging pile controller, a 1.8GHz wireless network module, and a remote power monitoring service unit; the power supply unit is used for Convert the mains electricity into the electric energy required by the vehicle and provide it to the vehicle; the control unit is used to detect the power supply state during the power supply process of the power supply unit, and control the start and stop of the power supply unit according to the power supply state; the charging pile controller is used to receive The detection signal of the control unit and the instructions of the remote power monitoring service unit output control commands to the control unit; the remote power monitoring service unit communicates with the charging pile controller through a 1.8GHz wireless network module to obtain real-time charging information and send The charging pile controller outputs control commands; it can ensure real-time communication of large data streams of multiple charging piles, with high transmission rate, strong real-time performance, and strong confidentiality, and does not need to lay special communication cables separately, and the use cost is low.

Description

technical field [0001] The invention relates to the field of charging piles, in particular to a wireless private network charging pile control system based on a 1.8G frequency band. Background technique [0002] With the development of electric vehicle technology and the global high requirements for energy and environment, the number of electric vehicles is increasing, which makes the demand for charging piles for charging electric vehicles is increasing. During the charging process, it is necessary to establish a communication connection between the charging pile itself and the monitoring system, so as to upload in real time. At present, most charging piles are based on the wired networking scheme of RS485 and CAN or the public network networking scheme of GPRS and WIFI. The network solution needs to lay professional communication cables in each parking lot or charging pile, which is costly and inflexible; although the GPRS-based networking solution has a high number of acc...

AI Technical Summary

Problems solved by technology

[0002] With the development of electric vehicle technology and the global high requirements for energy and the environment, the number of electric vehicles is increasing, which makes the demand for charging piles for charging electric vehicles is increasing. During the charging process, it is necessary to establish a communication connection between the charging pile itself and the monitoring system, so as to upload in real time. At present, most charging piles are based on the wired networking scheme of RS485 and CAN or the public network networking scheme of GPRS and WIFI. The network solution needs to lay professional communication cables in each parking lot or charging pile, which is costly and inflexible; although the GPRS-based networking solution has a high number of accessible nodes, it has low communication speed, poor security and Disadvantages of high traffic costs

Although the WIFI-based networking scheme has a high communication rate, it has the disadvantages of a low number of accessible nodes and a limited transmission distance, which may easily cause unstable communication signals of charging piles at the edge of coverage; on the other hand, the existing The stability of the charging pile itself is poor, so it is difficult to ensure good protection for electric vehicles

Images