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    • 1. 发明授权
    • Reactive load drive and surge protection
    • 无功负载驱动和浪涌保护
    • US4594636A
    • 1986-06-10
    • US534242
    • 1983-09-21
    • Arthur HamerBeverley H. Pardoe
    • Arthur HamerBeverley H. Pardoe
    • H02H7/08H02H7/122H01H47/32
    • H02H7/1227H02H7/0844
    • An electrical drive circuit arrangement to control the energization of a reactive load with a high voltage including a control stage, an electrically isolating control signal transformer and an output stage including power control semiconductor devices and having an energization input for a high voltage electrical supply and an output for the connection of a reactive load, the high voltage being prevented from reaching the control stage via the input of the output stage by the isolating transformer, the control stage including a noise-resistant guard responsive to circuit condition signals to permit or prevent generation of the control signal, the transformer restricting the signal to the output stage to a permitted control signal and the output stage generating a protection signal on a current surge in a connected reactive load, the protection signal being a potential low enough for direct application to the control stage without the need for isolating transfer to protect against the high voltage reaching the control stage and the control stage responsive to the protection signal to act on the control signal and remove any energization of the load by the output stage and protect the stage.
    • 一种电驱动电路装置,用于控制包括控制级,电绝缘控制信号变压器和包括功率控制半导体器件的输出级的高电压的无功负载的通电,并且具有用于高电压电源的通电输入和 用于连接无功负载的输出,通过隔离变压器经由输出级的输入阻止高电压到达控制级,控制级包括响应于电路状态信号的抗噪声保护器,以允许或防止发电 的控制信号,变压器将信号限制到输出级到允许的控制信号,并且输出级在连接的无功负载中的电流浪涌上产生保护信号,保护信号是足够低的直接应用于 控制阶段无需隔离转移来保护 响应于保护信号的高电压到达控制级,控制级作用于控制信号,并且通过输出级去除负载的任何通电并保护级。
    • 2. 发明授权
    • Vibratory conveyor control arrangement
    • 振动输送机控制装置
    • US4441060A
    • 1984-04-03
    • US244795
    • 1981-03-17
    • Arthur HamerBeverley H. Pardoe
    • Arthur HamerBeverley H. Pardoe
    • H02K33/14H02K33/02
    • H02K33/14
    • A control arrangement for vibratory conveyors, including bowl and linear types, in which the vibration frequency is set by the behavior of the conveyor and not by an applied frequency. A sensor, SC, senses the behavior of the conveyor and a frequency, of controlled amplitude and phase, is derived from the sensor output to energize conveyor drive means, AV and AH1 to AH3. User controls (HA, VA, PA) for amplitude and phase can be mark/space adjusters (HMS, VMS, DMS) effective on the base circuits of transistors connected to electromagnetic actuators. Low voltage operation (less than 50v) is provided without proportionally increased current, partly by energy recovery from the inductors in the actuators. Two levels of protection against supply ripple are included (RT, RLA) and the actuator drive can be stabilized against supply variation (MSC). The low-voltage operation provided is both safer and more efficient than mains voltage operation.
    • 振动输送机的控制装置,包括碗和线性类型,其中振动频率由输送机的行为而不是施加的频率设定。 传感器SC感测输送机的行为,并且从传感器输出导出受控幅度和相位的频率,以激励输送机驱动装置AV和AH1至AH3。 用于幅度和相位的用户控制(HA,VA,PA)可以是连接到电磁执行器的晶体管的基极上有效的标记/空间调节器(HMS,VMS,DMS)。 提供低电压操作(小于50v),没有按比例增加的电流,部分通过来自致动器中的电感器的能量回收。 包括两个级别的电源纹波保护(RT,RLA),并且执行器驱动可以针对电源变化(MSC)进行稳定。 所提供的低电压操作比电源电压操作更安全和更有效。
    • 3. 发明授权
    • Vibratory conveyor control arrangement
    • 振动输送机控制装置
    • US4496884A
    • 1985-01-29
    • US595735
    • 1984-04-02
    • Arthur HamerBeverley H. Pardoe
    • Arthur HamerBeverley H. Pardoe
    • H02K33/14H02K33/02
    • H02K33/14
    • A control arrangement for vibratory conveyors, including bowl and linear types, in which the vibration frequency is set by the behavior of the conveyor and not by an applied frequency. A sensor, SC, senses the behavior of the conveyor and a frequency, of controlled amplitude and phase, is derived from the sensor output to energize conveyor drive means, AV and AH1 to AH3. User controls (HA, VA, PA) for amplitude and phase can be mark/space adjusters (HMS, VMS, DMS) effective on the base circuits of transistors connected to electromagnetic actuators. Low voltage operation (less than 50v) is provided without proportionally increased current, partly by energy recovery from the inductors in the actuators. Two levels of protection against supply ripple are included (RT, RLA) and the actuator drive can be stabilized against supply variation (MSC). The low-voltage operation provided is both safer and more efficient than mains voltage operation.
    • 振动输送机的控制装置,包括碗和线性类型,其中振动频率由输送机的行为而不是施加的频率设定。 传感器SC感测输送机的行为,并且从传感器输出导出受控幅度和相位的频率,以激励输送机驱动装置AV和AH1至AH3。 用于幅度和相位的用户控制(HA,VA,PA)可以是连接到电磁执行器的晶体管的基极上有效的标记/空间调节器(HMS,VMS,DMS)。 提供低电压操作(小于50v),没有按比例增加的电流,部分通过来自致动器中的电感器的能量回收。 包括两个级别的电源纹波保护(RT,RLA),并且执行器驱动可以针对电源变化(MSC)进行稳定。 所提供的低电压操作比电源电压操作更安全和更有效。