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    • 1. 发明授权
    • Procedure and apparatus for uninterruptible power supply
    • 不间断电源的程序和设备
    • US4692632A
    • 1987-09-08
    • US832925
    • 1986-02-24
    • Hartmut GaulHermann MickalAdolf Haboeck
    • Hartmut GaulHermann MickalAdolf Haboeck
    • H02J9/06
    • H02J9/062Y10T307/615Y10T307/625Y10T307/707
    • To supply various loads connected to a uninterruptible bus, a power supply system N is connected (when functioning normally) by means of a mechanical switch, keeping an energy storage unit charged by means of a static converter which also functions preferrably as a phase shifter to stabilize the supply voltage. In the event of a power system malfunction, the storage unit is discharged by means of the static converter arrangement, and the mechanical switch is opened. The opening of this switch is not critical since between the switch and uninterruptible bus there is an inductance arrangement and an auxiliary switch. In case of a power system malfunction (auxiliary switch open), a large inductance and its large corresponding impedance of the inductive impedance arrangement becomes effective which during proper operation of the power system is shunted. Thus, during proper operation of the system only low inductive impedances (11, 12) and their correspondingly low impedances are effective via which a high current can flow from power supply system N, which suffices to trigger the load unit fuses in the event of a load unit short-circuit thus allowing such loads to self disconnect and not interrupt the bus by dragging it down with a heavy current malfunction.
    • 为了提供连接到不间断总线的各种负载,电源系统N通过机械开关连接(正常工作时),保持能量存储单元通过静态转换器充电,该静态转换器也优选地用作移相器 稳定电源电压。 在发生电力系统故障的情况下,存储单元通过静态转换器装置放电,机械开关打开。 该开关的开启并不重要,因为在开关和不间断总线之间存在电感布置和辅助开关。 在电力系统故障(辅助开关打开)的情况下,电感阻抗布置的大电感及其大的相应阻抗变得有效,这在电力系统的正常运行期间被分流。 因此,在系统的正常运行期间,只有低电感阻抗(11,12)及其相应的低阻抗是有效的,通过该低阻抗,高电流可以从电源系统N流出,这足以在发生故障时触发负载单元熔丝 负载单元短路,从而允许这种负载自我断开,并且不会因大电流故障将其拖动而中断总线。
    • 3. 发明授权
    • Method and apparatus for monitoring the operational state and stand-by
of a battery
    • 监控电池运行状态和待机状态的方法和装置
    • US5218288A
    • 1993-06-08
    • US647470
    • 1991-01-29
    • Hermann MickalDietmar Fischer
    • Hermann MickalDietmar Fischer
    • H02J7/00
    • H02J7/0077Y10S320/21Y10T307/625
    • A method and apparatus for monitoring the operational state (C.sub.R) and stand-by (t.sub.St) of a battery averages battery currents (I.sub.B) and battery voltages (U.sub.B) and determines the operating mode (charging L.sub.A, or discharging, E.sub.n) from the direction of the battery current (I.sub.B). When discharging (E.sub.n), a discharge power (P.sub.En) is calculated form the average battery current (I.sub.Bm) and battery voltage (U.sub.Bm). The average cell voltage (U.sub.BZ) is determined by dividing the average battery voltage (U.sub.B) by the number of cells (Z.sub.Z) in the battery. The cell discharge power (P.sub.EnZ) is determined by dividing the discharge power (P.sub.En) by the number of cells (Z.sub.z) in the battery. Consequently, the cell discharge time (t.sub.p) is known since it is proportional to the cell discharge power (P.sub.EnZ). The cell discharge power (P.sub.EnZ) is then compared with stored families of curves of cell voltage versus withdrawn capacity (C.sub.En) and cell discharge power (P.sub.EnZ). The withdrawn capacity (C.sub.En) is determined from the average cell voltage (U.sub.BZ) and the previously determined cell discharge power (P.sub.EnZ). The withdrawn capacity (C.sub.En) is subtracted from the maximum capacity (C.sub.max) to determine the residual capacity (C.sub.R), which is multiplied by the discharge time (t.sub.p). Consequently with the aid of only one family of curves and without large expenses, the operational state (C.sub.R) and the stand-by (t.sub.St) of a battery can be monitored.
    • 用于监测电池的操作状态(CR)和待机(tSt)的方法和装置对电池电流(IB)和电池电压(UB)进行平均,并且确定操作模式(充电LA或放电,En)从 电池电流方向(IB)。 当放电(En)时,从平均电池电流(IBm)和电池电压(UBm)计算放电功率(PEn)。 通过将电池的平均电池电压(UB)除以电池数(ZZ)来确定平均电池电压(UBZ)。 通过将放电功率(PEn)除以电池中的电池数(Zz)来确定电池放电功率(PEnZ)。 因此,电池放电时间(tp)是已知的,因为其与电池放电功率(PEnZ)成比例。 然后将电池放电功率(PEnZ)与存储的电池电压曲线相对于撤出容量(CEn)和电池放电功率(PEnZ)的族进行比较。 取出容量(CEn)由平均电池电压(UBZ)和先前确定的电池放电功率(PEnZ)确定。 从最大容量(Cmax)中减去撤回容量(CEn),以确定乘以放电时间(tp)的剩余容量(CR)。 因此,借助于一系列曲线并且没有大的费用,可以监视电池的运行状态(CR)和待机(tSt)。