The invention discloses a system for widening the voltage range of a low-voltage direct-current charger and a control method, relates to the technical field of voltage widening of direct-current chargers, and solves the technical problem that the output voltage of a direct-current charger in the prior art cannot meet the charging requirement of a new energy automobile battery system. The system comprises a low-voltage charger, a battery system and a voltage widening device, wherein the output of the low-voltage charger is connected with the input of the voltage widening device, and the output of the voltage widening device is connected with the input of the battery system; the voltage widening device is in communication connection with the low-voltage charger and the battery system; the voltage broadening device is used for adjusting the output voltage of the low-voltage charger to the voltage meeting the charging requirement of the battery system; the voltage widening device comprises a control unit, and a switch unit, a boost unit, a first communication unit and a second communication unit which are connected with the control unit. Through the voltage widening device, the output voltage of the low-voltage charger can be widened to meet the charging demand voltage of the existing new energy automobile battery system.
本申请公开了一种拓宽低压直流充电机电压范围的系统及控制方法,涉及直流充电机电压拓宽技术领域,解决了现有技术直流充电机输出电压无法达到新能源汽车电池系统充电需求的技术问题;本申请包括:低压充电机、电池系统以及拓宽电压装置:低压充电机的输出和拓宽电压装置的输入连接,拓宽电压装置的输出和电池系统的输入连接;拓宽电压装置与低压充电机和电池系统之间有通信连接;拓宽电压装置用于将低压充电机的输出电压调整到满足电池系统的充电要求电压;拓宽电压装置包括控制单元,以及与控制单元相连接的开关单元、升压单元、通信单元一和通信单元二;通过拓宽电压装置可以使低压充电机的输出电压拓宽到满足现有新能源汽车电池系统的充电需求电压。
System for widening voltage range of low-voltage direct-current charger and control method
一种拓宽低压直流充电机电压范围的系统及控制方法
2024-08-13
Patent
Electronic Resource
Chinese
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