会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 21. 发明专利
    • Motor control apparatus including at least two resistance discharge means
    • 电动机控制装置,包括至少两个电阻放电装置
    • JP2014054138A
    • 2014-03-20
    • JP2012198628
    • 2012-09-10
    • Fanuc Ltdファナック株式会社
    • NIWA SHOICHIYAMAMOTO KENTA
    • H02P27/06H02M7/48
    • H02P27/04H02P3/12
    • PROBLEM TO BE SOLVED: To provide a motor control apparatus including resistance discharge means capable of consuming regenerative energy from a motor by resistance discharge and having high maintenance efficiency.SOLUTION: A motor control apparatus 1 includes: a rectifier 11 for rectifying AC power supplied from the AC input side and outputting DC power; an inverter 12 connected to a DC link to be the DC output side of the rectifier 11 and performing mutual power conversion between DC power of the DC link and driving power of a motor 2 or AC power to be regenerative power; and at least two resistance discharge means 13-1 and 13-2 respectively connected to the DC link and respectively sharing the DC power of the DC link to perform resistance discharge, in which when a DC voltage value in the DC link is larger than a first threshold, the resistance discharge means 13-1 and 13-2 respectively start resistance discharge operation for resistance-discharging the DC power of the DC link, and when the DC voltage value in the DC link is smaller than a second threshold smaller than the first threshold, respectively stop the resistance discharge operation.
    • 要解决的问题:提供一种电动机控制装置,包括电阻放电装置,其能够通过电阻放电消耗来自电动机的再生能量并具有高维护效率。电动机控制装置1包括:整流器11,用于整流由 交流输入侧输出直流电源; 连接到作为整流器11的直流输出侧的直流链路的逆变器12,并且在直流链路的直流电力和电动机2的驱动电力之间进行相互电力转换或者是再生电力的交流电力; 以及至少两个电阻放电装置13-1和13-2分别连接到DC链路并分别共享DC链路的DC电力以执行电阻放电,其中当DC链路中的DC电压值大于 第一阈值时,电阻放电装置13-1和13-2分别开始用于直流链路的直流电力的电阻放电的电阻放电操作,并且当直流链路中的直流电压值小于小于 第一阈值,分别停止电阻放电操作。
    • 26. 发明专利
    • Elevator control device
    • 电梯控制装置
    • JP2005263408A
    • 2005-09-29
    • JP2004078382
    • 2004-03-18
    • Toshiba Elevator Co Ltd東芝エレベータ株式会社
    • KADOTA YUKIOTAKASAKI KAZUHIKO
    • B66B1/30B66B1/34H02P1/02H02P3/12H02P3/14H02P3/18H02P27/06
    • H02P3/14B66B1/30B66B1/308H02P1/029H02P3/12Y02B50/142
    • PROBLEM TO BE SOLVED: To provide an elevator control device for controlling to surely charge power of regenerative operation and effectively use the same for power running. SOLUTION: This elevator control device is constructed by providing the general elevator control device consuming the generated power in the regenerative operation in a rheostatic chopper with a charging-discharging circuit 23 put in the connecting state in a direct current output line of a rectifying circuit 3, an electric double-layer capacitor 24 connected to the output side of the charging-discharging circuit to accumulate direct current voltage generated in the direct current capacitor 4 in charging control, a voltage detection circuit 25 for detecting the direct current voltage of the direct current capacitor, and a charging-discharging control part 26 for setting charge preset voltage larger than voltage rectified through a rectifying circuit 3 from a commercial alternating current power supply 1 and smaller than the operating voltage of the rheostatic chopper and the discharge preset voltage smaller than the rectifying voltage, and controlling the charging-discharging circuit to charge the electric double layer capacitor when the voltage generated in the direct current capacitor detected by the voltage detecting circuit exceeds the charging preset voltage and discharge from the electric double layer capacitor when the voltage generated in the direct current capacitor exceeds the discharge preset voltage. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于控制的电梯控制装置,以确保再生操作的电力充电,并且有效地将其用于动力运行。 解决方案:该电梯控制装置是通过在具有连接状态的充电放电电路23的可变压斩波器的消耗生成电力的一般电梯控制装置的直流输出线 整流电路3,连接到充电放电电路的输出侧的双电层电容器24,用于在充电控制中积累在直流电容器4中产生的直流电压;电压检测电路25,用于检测直流电压 直流电容器和用于设定大于通过整流电路3从商用交流电源1整流的电压并小于变阻器斩波器的工作电压和放电预置电压的电压预设电压的充放电控制部26 小于整流电压,并控制充放电电路 当在直流电容器中产生的电压超过放电预设电压时,当由电压检测电路检测到的直流电容器中产生的电压超过充电预设电压并从双电层电容器放电时,对双电层电容器充电。 版权所有(C)2005,JPO&NCIPI
    • 29. 发明专利
    • Generating brake controller
    • 产生制动控制器
    • JPS59216483A
    • 1984-12-06
    • JP9059883
    • 1983-05-25
    • Hitachi Ltd
    • ASABA SADAOKONNO NOBUYOSHIYAMADA KAZUHIRO
    • H02P3/12
    • H02P3/12
    • PURPOSE:To enable to apply to a stop brake with a simple structure by employing a DC variable voltage power source so that the reverse internal resistance between output terminals becomes substantially zero and adding armature currents for a brake at the regenerating brake time directly from the power source. CONSTITUTION:When inverters 9-1, 9-2 are shifted to F side and a PB switch 5 is shifted to P side, a gate signal is applied to a thyristor 2b to alter the output terminal voltage of a main thyristor 2A, the field current of a field coil 3b is controlled by a field thyristor 6 to control the speed and the torque of a main motor. When switched to a generating brake control, the output of a main thyristor 2A is set to zero, a current interrupter 7 is opened, the inverters 9-1, 9-2 are then shifted to R side, the switch 5 is shifted to B side, and the interrupter 7 is again closed. When the vehicle speed decreased, the conduction angle of the thyristor 2b is increased to obtain a necessary brake force.
    • 目的:通过采用直流可变电压电源使得能够以简单的结构应用于停止制动器,使得输出端子之间的反向内部电阻基本为零,并且在再生制动时间直接从功率增加制动器的电枢电流 资源。 构成:当逆变器9-1,9-2偏移到F侧并且PB开关5移动到P侧时,门信号被施加到晶闸管2b以改变主晶闸管2A的输出端电压,场 励磁线圈3b的电流由励磁晶闸管6控制,以控制主电动机的转速和转矩。 当切换到发电制动控制时,将主晶闸管2A的输出设定为零,断路器7断开,然后将反相器9-1,9-2移动到R侧,开关5移动到B 并且断路器7再次闭合。 当车速降低时,晶闸管2b的导通角度增大,得到必要的制动力。
    • 30. 发明专利
    • Numerical control device with built-in regenerative energy absorber of dc motor
    • 具有直流电机内置再生能量吸收器的数控装置
    • JPS59194681A
    • 1984-11-05
    • JP6867683
    • 1983-04-19
    • Mitsubishi Electric Corp
    • KACHI MITSUYASU
    • H02P3/14H02P3/12
    • H02P3/12
    • PURPOSE:To save space, to simplify the configuration and to reduce the cost by containing a discharging circuit for consuming the regenerative energy by the heat sink of a porcelain resistor in a numerical control device. CONSTITUTION:A capacitor 11, a porcelain resistor 15 and a power transistor 16 are provided in a numerical control device. The capacitor 11 is charged by a current due to counterelectromotive force generated when a DC motor 1 is stopped. When the voltage across the capacitor 11 reaches the prescribed voltage, the power transistor 16 is turned ON. Thus, the regenerative energy generated from the motor 1 is discharged by the heat sink of the resistor 15.
    • 目的:为了节省空间,简化配置并通过在数控装置中包含用于消耗由瓷电阻器的散热器消耗再生能量的放电电路来降低成本。 构成:电容器11,瓷电阻15和功率晶体管16设置在数控装置中。 电容器11由于直流电动机1停止时产生的反电动势而由电流充电。 当电容器11两端的电压达到规定电压时,功率晶体管16导通。 因此,从电动机1产生的再生能量被电阻器15的散热片排出。