公开(公告)号：US5315533A

公开(公告)日：1994-05-24

申请号：US702733

申请日：1991-05-17

申请人： Frederick A. Stich ,  Donald K. Zahrte, Sr. ,  Richard V. Baxter, Jr. ,  Douglas C. Folts ,  Thomas G. Hubert ,  Juan M. Medina ,  William J. Hazen ,  Edward G. Beistle

发明人： Frederick A. Stich ,  Donald K. Zahrte, Sr. ,  Richard V. Baxter, Jr. ,  Douglas C. Folts ,  Thomas G. Hubert ,  Juan M. Medina ,  William J. Hazen ,  Edward G. Beistle

IPC分类号： G06F1/26 ,  H02J9/06 ,  G06F15/20

CPC分类号： H02J9/062 ,  Y10T307/625

摘要： A back-up uninterruptible power system has a power supply path from input terminals connected to AC power system lines to normally supply power to a load. Upon the occurrence of a line fault, a static switch in the power supply path interrupts the connection between the AC power lines and the load and an inverter is turned on to provide power derived from an auxiliary battery through a transformer to the power supply path to supply AC power to the load. By using the static switch, switching from line connection to backup power can be done quickly, within a half cycle, so that substantially no interruption of the output waveform is observed. The inverter can be operated to provide a commutation pulse to the SCRs in the static switch to commutate an SCR which might otherwise continue conducting after the triggering signals to the gates are cut off and before the inverter supplies the AC power to the load. A relay connected between the input terminals and the static switch is controlled to open relay contacts after the static switch has interrupted the current flow to the load, thereby providing positive electrical isolation of the AC power system from the uninterruptible power system while allowing the mechanical relay contacts to switch only during times of no current. Line fault detection is carried out by creating a digital waveform composed of an average of prior cycles of the AC input waveform, converting the stored waveform to an analog signal, and comparing it with the present input signal in phase lock therewith to detect deviation of the input signal from the reference waveform.

摘要翻译： 备用的不间断电力系统具有从连接到AC电力系统线路的输入端子的电源路径，以正常地向负载供电。 在发生线路故障时，电源路径中的静态开关中断交流电力线与负载之间的连接，并且逆变器接通，以通过变压器提供从辅助电池获得的功率到电源路径 为负载提供交流电源。 通过使用静态开关，可以在半个周期内快速地进行从线路连接切换到备用电源，从而观察到输出波形基本上不会中断。 可以对逆变器进行操作，以向静态开关中的SCR提供换向脉冲，以便在切断对门的触发信号之后以及在逆变器将AC电力提供给负载之前换向可能继续导通的SCR。 连接在输入端子和静态开关之间的继电器被控制以在静态开关中断到电流到负载的电流之后打开继电器触点，从而提供交流电力系统与不间断电力系统的正电隔离，同时允许机械继电器 触点仅在无电流时才切换。 线路故障检测通过产生由AC输入波形的先前周期的平均值组成的数字波形，将存储的波形转换成模拟信号，并将其与当前输入信号进行相位锁定，以检测其中的偏差 来自参考波形的输入信号。

公开(公告)号：US5295078A

公开(公告)日：1994-03-15

申请号：US883501

申请日：1992-05-15

申请人： Frederick A. Stich ,  Edward G. Beistle

发明人： Frederick A. Stich ,  Edward G. Beistle

IPC分类号： G06F1/26 ,  H02J9/06 ,  G06F15/20

CPC分类号： H02J9/062 ,  Y10T307/625

摘要： The run-time on battery power available from an uninterruptible power system is accurately determined both during supply of power from the battery through an inverter to the load and during the time where power is supplied directly from an AC power system to the load. During power outages where power is supplied from the battery through the inverter to the load, the output voltage of the battery is directly measured as is the output current supplied to the load. The remaining run-time is determined utilizing the measured battery voltage, the measured output current, and system specifications including the full charge open circuit voltage of the battery, the allowable lower limit of battery voltage, and constants which are characteristic of the uninterruptible power supply and the battery. When power is supplied from the AC power system to the load, the open circuit voltage of the battery is measured initially, and then during the time that the battery is being recharged the open circuit battery voltage is calculated based on the initial open circuit voltage adjusted by a factor porportional to the time that the battery has been charged. The calculated open circuit voltage is used to calculate a battery voltage under load conditions by subtracting a term proportional to output current. These estimates are then utilized to calculate run-time in a manner similar to that used to calculate run-time when the battery is loaded. Thus, the inverter need not be turned on to supply power to the load solely for the purpose of testing the battery.

摘要翻译： 在从电池通过逆变器向负载供电并且在从AC电力系统直接供电到负载的时间期间，可以准确地确定来自不间断电力系统的可用电池电量的运行时间。 在从电池通过变频器向负载供电的停电期间，直接测量电池的输出电压，并将其提供给负载的输出电流。 剩余的运行时间是利用测量的电池电压，测量的输出电流以及系统规格来确定的，包括电池的全充电开路电压，电池电压的允许下限以及不间断电源的特性的常数 和电池。 当从交流电源系统向负载供电时，初始测量电池的开路电压，然后在电池再充电时，开路电池电压根据初始开路电压调整 通过与电池充电时间的比例。 计算的开路电压用于通过减去与输出电流成比例的项来计算负载条件下的电池电压。 然后利用这些估计来计算运行时间，其方式类似于当加载电池时计算运行时间的运行时间。 因此，为了测试电池的目的，逆变器不需要接通以为负载供电。

公开(公告)号：US06807460B2

公开(公告)日：2004-10-19

申请号：US10028800

申请日：2001-12-28

申请人： William J. Black ,  Joseph Todd Piatnik, Jr. ,  Timothy W. Bethuy ,  Richard V. Baxter, Jr. ,  Jeffrey C. Thon ,  Edward G. Beistle ,  Andrew D. Nelson

发明人： William J. Black ,  Joseph Todd Piatnik, Jr. ,  Timothy W. Bethuy ,  Richard V. Baxter, Jr. ,  Jeffrey C. Thon ,  Edward G. Beistle ,  Andrew D. Nelson

IPC分类号： G06F1700

CPC分类号： B67D1/0888 ,  B67D1/06

摘要： A beverage dispensing system includes a beverage dispenser which forms and dispenses a beverage and a processor for monitoring the beverage dispenser. The beverage dispenser operates under various parameters including a first parameter that is indicative of the quality of the beverage to be dispensed and a second parameter that is indicative as to when routine maintenance is to be scheduled. The processor monitors the various parameters under which the beverage dispenser operates and determines whether the first parameter is outside of a predetermined range. If the first parameter is outside the predetermined range, the processor sends a signal regarding a request for immediate repair service. The second parameter is also monitored and the routine maintenance is scheduled based thereon.

摘要翻译： 饮料分配系统包括形成和分配饮料的饮料分配器和用于监测饮料分配器的处理器。 饮料分配器在各种参数下操作，包括指示要分配的饮料的质量的第一参数以及指示何时要安排日常维护的第二参数。 处理器监视饮料分配器操作的各种参数，并确定第一参数是否在预定范围之外。 如果第一参数在预定范围之外，则处理器发送关于即时维修服务请求的信号。 还监视第二参数，并基于此进行例行维护。

公开(公告)号：US5473752A

公开(公告)日：1995-12-05

申请号：US376068

申请日：1995-01-20

申请人： Edward G. Beistle ,  Martin J. Seabolt

发明人： Edward G. Beistle ,  Martin J. Seabolt

IPC分类号： G06F11/20 ,  G06F11/22 ,  H04L12/437 ,  G06F11/00

CPC分类号： H04L12/437 ,  G06F11/22

摘要： A system for detecting and isolating faults in a two-wire communications loop which includes a number of node circuits dispersed along the loop. Each node circuit executes a fault detection algorithm and selectively switches its connections to adjacent node circuits to effectively isolate itself from the fault condition. When all node circuits have completed their respective fault detection algorithms the fault condition is disconnected from the two-wire communications loop.

摘要翻译： 一种用于检测和隔离双线通信环路中的故障的系统，其包括沿着环路分散的多个节点电路。 每个节点电路执行故障检测算法，并选择性地将其连接切换到相邻节点电路，以有效地将其自身与故障状况隔离开来。 当所有节点电路完成各自的故障检测算法时，故障条件与两线通信环路断开连接。

公开(公告)号：US07696458B2

公开(公告)日：2010-04-13

申请号：US11144897

申请日：2005-06-03

申请人： Jeffrey R. Thomas ,  Randall G. Baxter ,  Paul D. Verhagen ,  Edward G. Beistle ,  Brian J. Veik

发明人： Jeffrey R. Thomas ,  Randall G. Baxter ,  Paul D. Verhagen ,  Edward G. Beistle ,  Brian J. Veik

IPC分类号： H05B6/04 ,  H05B6/08

CPC分类号： H05B6/101 ,  H05B6/06

摘要： A system and method for inductively heating a work piece. The induction heating system is coupleable to at least one temperature feedback device. The temperature feedback device is disposed within the induction heating system to provide a signal representative of the temperature of an induction heating system component. The induction heating system is operable to control the output of the induction heating system based on the temperature of the induction heating system component to protect the component from heat damage.

摘要翻译： 一种用于感应加热工件的系统和方法。 感应加热系统可耦合至少一个温度反馈装置。 温度反馈装置设置在感应加热系统内，以提供代表感应加热系统部件的温度的信号。 感应加热系统可操作以基于感应加热系统部件的温度来控制感应加热系统的输出，以保护部件免受热损伤。

公开(公告)号：US07786415B2

公开(公告)日：2010-08-31

申请号：US11145285

申请日：2005-06-03

申请人： Jeffrey R. Thomas ,  Randall G. Baxter ,  Paul D. Verhagen ,  Edward G. Beistle

发明人： Jeffrey R. Thomas ,  Randall G. Baxter ,  Paul D. Verhagen ,  Edward G. Beistle

IPC分类号： H05B6/42

CPC分类号： H05B6/101 ,  H05B6/06 ,  H05B6/40

摘要： A system and method for inductively heating a work piece. The induction heating system is coupleable to a plurality of temperature feedback devices operable to provide a signal representative of work piece temperature. The induction heating system is operable to control the output of the induction heating system based on the plurality of signals representative of work piece temperature received from the plurality of temperature feedback devices.

摘要翻译： 一种用于感应加热工件的系统和方法。 感应加热系统可耦合到可操作以提供表示工件温度的信号的多个温度反馈装置。 感应加热系统可操作以基于代表从多个温度反馈装置接收的工件温度的多个信号来控制感应加热系统的输出。