The invention relates to the technical field of electric automobile energy recovery, in particular to an energy recovery device for an electric automobile, which can recover and store kinetic energy generated during automobile braking through a regenerative braking system, and use the stored electric energy when wheels need to output larger torque during automobile starting or climbing and the like, energy recovery is realized, the cruising ability of the electric automobile is improved, and the practicability is improved. The energy recovery device comprises a storage battery, an automobile braking system, a motor controller, a motor, a driving system, a power generation braking system, the regenerative braking system, a super capacitor and an inverter; the motor controller is electrically connected with the motor, the output end of the motor is connected with the driving system, and a bidirectional DC/DC converter in a regenerative controller is controlled through a control algorithm; a regenerative brake is electrically connected with the super capacitor, the regeneration controller is electrically connected with the motor to control the bidirectional DC/DC converter to boost energy in the super capacitor; and the inverter is electrically connected with the storage battery, and the automobile brake system is electrically connected with an automobile computer.
本发明涉及电动汽车能量回收的技术领域,特别是涉及一种电动汽车用能量回收装置,其可通过再生制动系统,对汽车制动时产生的动能进行能量回收并进行存储,在汽车起步或爬坡等需要车轮输出较大扭矩时使用存储的电能,实现能量回收及提高电动汽车的续航能力,提高了实用性;包括蓄电池、汽车制动系统、电机控制器、电机、驱动系统、发电制动系统、再生制动系统、超级电容和逆变器,电机控制器与电机电连接,电机输出端与驱动系统连接,通过控制算法控制再生控制器中的双向DC/DC变换器,再生制动器与超级电容电连接,再生控制器接与电机电连接,控制双向DC/DC变换器将超级电容中的能量升压,逆变器与蓄电池电连接,汽车制动系统与汽车电脑电连接。
Energy recovery device for electric automobile
一种电动汽车用能量回收装置
2020-12-08
Patent
Elektronische Ressource
Chinesisch
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