The invention discloses an electric vehicle charging shed multi-power-supply intelligent switching system based on solar energy, and the system comprises a solar power supply system, a diesel power generation and power supply system and a commercial power supply system which are all connected with a load through a contactor. The contactors are respectively a contactor K1, a contactor K2 and a contactor K3, and each contactor is connected with a controller; the controller is connected with a first sensor used for detecting stored electric quantity information of the solar power supply system and a second sensor used for detecting power supply information of the commercial power supply system. The switching method comprises the following steps that the first sensor detects stored electric quantity information in the storage battery in the solar power supply system in real time, and when the detected stored electric quantity information is larger than a preset threshold value, the controller controls the contactor K2 and the contactor K3 to be disconnected. According to the invention, intelligent switching of multiple power supplies is mainly realized, and normal operation of the charging station can be ensured after power failure.
本发明公开了一种基于太阳能的电动车充电棚多电源智能切换系统,包括太阳能供电系统、柴油发电供电系统以及市电供电系统,太阳能供电系统、柴油发电供电系统以及市电供电系统均通过一接触器与负载连接,分别为接触器K1、接触器K2及接触器K3,各接触器均与一控制器连接;所述控制器连接有用于检测太阳能供电系统储蓄电量信息的第一传感器,用于检测市电供电系统供电信息的第二传感器;其切换方法如下:第一传感器实时检测太阳能供电系统中蓄电池中储蓄电量信息,当检测到的储蓄电量信息大于预设阀值时,此时,控制器控制接触器K2及接触器K3断开。本发明主要实现多电源的智能切换,能够在停电后保证充电站的正常运营。
Electric vehicle charging shed multi-power-supply intelligent switching system based on solar energy
一种基于太阳能的电动车充电棚多电源智能切换系统
2022-04-26
Patent
Electronic Resource
Chinese
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