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发明公开
CN101811356A 伺服驱动液压系统制动能源再生利用装置 无效 - 撤回

伺服驱动液压系统制动能源再生利用装置
摘要：
本发明涉及一种伺服驱动液压系统制动能源再生利用装置，包括伺服控制伺服永磁电机的伺服控制器，所述伺服控制器由整流模块、制动模块、逆变模块、驱动制动电阻和伺服驱动制动回收单元构成，所述整流模块两相电源输出端和逆变模块输入端间通过直流母线电路连接，经逆变模块逆变输出三相电源驱动伺服永磁电机，所述伺服驱动制动回收单元和驱动制动电阻相并联并入两相直流母线之间，所述制动模块串设在驱动制动电阻的负极输出端；本发明的针对注塑机液压驱动过程中伺服永磁电机在刹车及减速过程中产生的能量，通过伺服驱动制动能源回收单元将此多余能量存储起来，在注塑机其他动作过程中将其释放出来将此能量再利用的技术效果。
摘要（英）：

The invention relates to a brake energy regeneration and utilization device of a servo drive hydraulic system. The device comprises a servo controller of a servo control servo magnetoelectric machine, wherein the servo controller comprises a rectifier module, a brake module, an inverter module, a drive brake resistor and a servo drive brake recovering unit, the output end of a two-phase power of the rectifier module is connected with the input end of the inverter module by a DC bus circuit to drive the servo magnetoelectric machine by an inverter output three-phase power of the inverter module, and the servo drive brake recovering unit and the drive brake resistor are connected in parallel between the two-phase DC buses, and the brake module is connected in series to the negative output end of the drive brake resistor. By using the servo drive brake energy recovering unit to store the excess energy generated in the braking and decelerating process of the servo magnetoelectric machine in the hydraulic drive process of the injection molding machine and releasing the energy in other operation progresses, the invention achieves the technical effect of energy reutilization.

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