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    • 2. 发明公开
    • Messrohr einer Ultraschall-Mediumdurchflussmesseinrichtung
    • EP1130366A2
    • 2001-09-05
    • EP00116299.9
    • 2000-08-10
    • Iskraemeco, Merjenje in Upravljanje Energije, D.D.
    • Babic, Matjaz
    • G01F1/66
    • G01F1/662
    • Das erfindungsgemässe Messrohr der Ultraschall-Mediumdurchflussmesseinrichtung ermöglicht die Herstellung von Messrohren 1 für verschiedene Nenndurchflüsse mit möglichst wenigen verschiedenen Teilen, da bei dem Übergang auf einen anderen Nenndurchfluss nur die Weite w des Teiles 3 des Messrohres 1 geändert werden muss, wobei der Teil 2 mit den Ultraschallwandlern unverändert bleiben kann. Die Breite des Ultraschallbündels, der ungefähr gleich der Weite w sein muss, wird bei unveränderten Abmessungen der piezoelektrischen Plättchen k mit der Breite b der Elektroden e eingestellt. Wenn die Weite w grösser als die halbe Breite a des piezokeramischen Plättchens k ist, wird die Elektrode e in der Form von zwei oder mehreren Streifen g hergestellt, deren gemeinsame Breite b' ungefähr gleich der Weite w ist.
    • 该装置具有一部分(2),其中具有矩形压电板(k)形式的超声波换能器,其两侧的电极(e)以宽度(b)的宽度形式的宽度的25%至50%之间(a ),并且等于管的另一部分(3)的内部宽度(w)。 如果内部宽度超过板的宽度的一半,则电极是两个或更多个共同宽度等于内部宽度的分离的条带。
    • 7. 发明公开
    • Watthour-meter measuring circuit including a detection of an incorrect line connection
    • Wattstundenzähler-Messschaltung mit Detektion einer inkorrekten Leitungsverbindung
    • EP1498740A1
    • 2005-01-19
    • EP04468012.2
    • 2004-07-15
    • Iskraemeco, Merjenje in Upravljanje Energije, D.D.
    • Rozman, MiroStrle, VojkoKosmac, MilanThaler, Matjaz
    • G01R21/133G01R11/24
    • G01R22/06G01R22/066G01R31/041
    • Analog signals from a mains-voltage sensor (1), a phase-conductor current sensor (2), and a neutral-conductor current sensor (3) are conducted each to a separate input of a basic multiplexer (4), an output signal of which is conducted to an input of an analog-to-digital converter (5). A demultiplexed digital signal from the output of the analog-to-digital converter (5) is conducted to an input of a digital signal processing circuit (6) provided for the calculation of the power delivereed to a load. Both current sensors (2, 3) are advantageously made as Rogowski coils.
      The use of Rogowski coils or of one inductive current sensor together with a shunt in connection with a digital signal processing instead of expensive measuring current transformers is advantageous. The disclosed multiplexing brings the costs of the measuring system embodiment with two simultaneous current measurements closer to the costs for a usual measuring system with a single current measurement.
    • 来自电源电压传感器(1),相导体电流传感器(2)和中性线电流传感器(3)的模拟信号分别传送到基本多路复用器(4)的单独输入端,输出信号 其被传送到模数转换器(5)的输入端。 来自模数转换器(5)的输出的解复用的数字信号被传送到数字信号处理电路(6)的输入端,数字信号处理电路(6)用于计算负载的功率输出。 两个电流传感器(2,3)有利地被制成罗博夫斯基线圈。 使用Rogowski线圈或一个感应电流传感器以及与数字信号处理相关的分流而不是昂贵的测量电流互感器是有利的。 所公开的多路复用将测量系统实施例的成本带来两个同时的电流测量,更接近具有单个电流测量的通常测量系统的成本。
    • 10. 发明公开
    • Method of remote supervision, reading and control of intelligent consumption meters
    • 阅读,控制和智能电表的远程监控的方法
    • EP1585257A2
    • 2005-10-12
    • EP05468005.3
    • 2005-03-14
    • Iskraemeco, Merjenje in Upravljanje Energije, D.D.
    • Rozman, MiroOranic, JanezJamnik, PavelKozole, MilanMocnik, VojtehPerne, JozefRodic, GregorMedjeral, Nenad
    • H04L12/26H04L12/24
    • H04L12/4641G01D4/004H04L63/0272Y02B90/242Y02B90/246Y04S20/322Y04S20/42
    • In a public telecommunication network present within a vast territory there is established a virtual private AMR-VPN network for remote supervision, reading and control of intelligent consumption meters of distributed goods, said network being supported by an information system for performing public value added telecommunication services. Intelligent goods consumption meters are equipped with a suitable communication interface and are connected to the information system for performing said functions via said virtual private AMR-VPN network.
      Advantageously, a program for controlling the measurement and tariffing of the said intelligent meters is stored in a microcontroller of a communication module comprising a standard communication interface for bidirectional communication. This program also includes functions of processing the measurement data, storing the data and the results, displaying the measurement results, registering alarm states and processing input and output signals.
      The processed measurement data, stored data and results and the data on alarm states flow just within a single microcontroller, which increases the operation reliability of the said intelligent meter and extends the mean time between failures (MTBF).
      A user is allowed to freely select a provider, thus getting the best conditions and adequate services in the provision of goods; an efficient market deregulation is made possible. The public telecommunication network in the territory enables a simple, fast and adaptable connection between a goods distributor and the users, who choose such connection and at the same time the users can freely select the distributor's value added services.
    • 在幅员辽阔中存在的公共电信网络有建立了远程监控虚拟专用AMR-VPN网络,阅读和分发货物的智能计量仪表控制,该网络是由在信息系统支持执行公共增值电信业务 , 智能产品耗量表配备有适当的通信接口,并且连接到信息系统,用于经由所述虚拟专用网(VPN)AMR执行功能。 有利的是,用于控制测量和的所述智能仪表资费的程序被存储在通信模块,其包括用于双向通信的标准通信接口的微控制器。 因此,这程序包括处理测量数据,存储数据,结果,显示测定结果,注册报警状态和处理输入和输出信号的功能。 处理过的测量数据,所存储的数据和结果和报警状态的数据只是一个单一的微控制器,其增加的所述智能仪表的操作可靠性并延长故障(MTBF)之间的平均时间内流动。 允许用户自由选择供应商,从而获得在提供商品的最好的条件和充足的服务; 有效市场放松管制成为可能。 在境内的公共电信网络实现了产品分销商和用户,谁选择寻求连接,同时用户可以自由选择分销商的增值服务之间的简单,快速,适应性强的连接。