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    • 1. 发明授权
    • Electrical board securement and voltage isolation device
    • 电气板固定和电压隔离装置
    • US06285556B1
    • 2001-09-04
    • US09368790
    • 1999-08-05
    • Matthew T. GuthRolando F. Martinez
    • Matthew T. GuthRolando F. Martinez
    • H05K712
    • H05K7/1461
    • A molded circuit board securement and voltage isolation device is provided for use with one or more circuit boards or related electrical apparatus in an electrical enclosure. The device includes an open housing which has a base and opposing side walls positioned transversely with respect to the base. A stiffener such as a bridge is provided to provide the physical stiffness for the device and to resist mechanical vibration. The bridge spans the opposing side walls which have slots formed therein to permit the receipt of electrical apparatus such as circuit boards, for example. Circuit boards are secured in the device in substantially perpendicular alignment both with respect to the base and the opposing side walls. In another aspect of this device, at least two circuit boards can be positioned in a housing with a solid support wall formed between them to conserve available space. The solid support wall and the secure positioning of the circuit boards provides separation between the boards which promotes voltage isolation.
    • 提供了模制电路板固定和电压隔离装置,用于与电气外壳中的一个或多个电路板或相关的电气设备一起使用。 该装置包括开放的壳体,该壳体具有相对于基座横向定位的基部和相对的侧壁。 提供诸如桥梁的加强件以提供装置的物理刚度并抵抗机械振动。 桥跨过具有形成在其中的槽的相对侧壁,以允许例如接收诸如电路板的电气设备。 电路板相对于基座和相对的侧壁基本上垂直对准地固定在设备中。 在该装置的另一方面,至少两个电路板可以被定位在壳体中,其间形成有固体支撑壁,以节省可用空间。 固体支撑壁和电路板的牢固定位提供了板之间的隔离,这促进了电压隔离。
    • 3. 发明授权
    • Alternating current rectifier bridge and system for measuring average
current per bridge segment
    • 用于测量每个桥段的平均电流的交流整流桥和系统
    • US5963441A
    • 1999-10-05
    • US146690
    • 1998-09-03
    • Irving A. GibbsC. Allan MorseRolando F. Martinez
    • Irving A. GibbsC. Allan MorseRolando F. Martinez
    • H02M7/17H02M7/155
    • H02M7/17H02M2001/0009
    • A three-phase controlled rectifier bridge for converting alternating current to direct current includes six segments for each of the positive and negative polarities of each of three AC phases. Each of the segments has a semiconductor controlled rectifier element responsive to a control signal to control current conduction within the segment. A conduction monitor, which is provided for each of the AC phases, monitors a corresponding one of the AC phases to provide a conduction monitor signal. A first shunt current sensor senses current of the segments for the positive polarity of the AC phases and provides a first current signal. A second shunt current sensor senses current of the segments for the negative polarity of the AC phases and provides a second current signal. A control and monitoring circuit has outputs which output the control signals to the segments to control current conduction within the segments, and a microprocessor-based firmware routine which employs the conduction monitor signals and the first and second current signals to determine an average current for each of the segments.
    • 用于将交流电转换为直流电的三相可控整流桥包括用于三个AC相中的每一个的正负极性中的每一个的六个段。 每个段具有响应于控制信号的半导体可控整流元件,以控制段内的电流传导。 为每个AC相提供的导通监视器监视相应的一个AC相以提供导通监视信号。 第一分流电流传感器感测段的电流为交流相位的正极性,并提供第一电流信号。 第二分流电流传感器感测用于AC相负极性的段的电流并提供第二电流信号。 控制和监视电路具有输出,其将控制信号输出到段以控制段内的电流传导;以及基于微处理器的固件例程,其采用导通监视信号以及第一和第二电流信号来确定每个 的细分。