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    • 2. 发明公开
    • Surge current detection device
    • Spitzenstromerkennungsgerät
    • EP2508900A1
    • 2012-10-10
    • EP12157841.3
    • 2012-03-02
    • Sankosha Corporation
    • Okawa, TakayukiSaeki, HideyoshiOuchi, Takuya
    • G01R19/04G02B26/02G01R33/12
    • G02B26/026B82Y25/00G01R15/148G01R19/04G01R33/0385H01F2017/065
    • A surge current detection device 30 is detachably attached to a conductor 11 and detects a surge current entering the conductor 11. The surge current detection device 30 includes: a holder 40 releasably holding the conductor 11 via first and second holder bodies 40-1 and 40-2 facing each other; a magnetic force concentrating member 60 having a substantially U-shaped cross-section, the magnetic force concentrating member 60 being secured inside the holder 40 and concentrating a magnetic flux included in a magnetic field generated by the surge current entering the magnetic flux conductor 11 to a high density at a predetermined detection region; and a magnetic material sheet 70 secured inside the holder 40 in such a manner that the magnetic material sheet 70 is positioned at the detection region, the magnetic material sheet 70 detecting the surge current.
    • 浪涌电流检测装置30可拆卸地安装到导体11上并检测进入导体11的浪涌电流。浪涌电流检测装置30包括:保持器40,通过第一和第二保持器主体40-1和40可释放地保持导体11 -2面对面 具有大致U形横截面的磁力聚集构件60,磁力聚集构件60固定在保持器40内部,并将包括在由进入磁通导体11的浪涌电流产生的磁场中的磁通集中到 在预定检测区域具有高密度; 以及磁性材料片70,其以使得磁性材料片70位于检测区域的方式固定在保持器40内部,磁性材料片70检测浪涌电流。
    • 3. 发明公开
    • Sensing system and method for manufacturing the same
    • Messsystem und Verfahren zu dessen Herstellung
    • EP2487497A1
    • 2012-08-15
    • EP12154560.2
    • 2012-02-08
    • General Electric Company
    • Ganesh, Meena
    • G01R31/12
    • G01R15/148G01R31/008G01R31/021G01R31/1272Y10T29/49002
    • A system (10) includes a sensor housing (12) having a base portion (14), a lid portion (16), and a joining portion (18). The joining portion (18) is configured to be wrapped around at least a portion of an electrical wire (28). The lid portion (16) includes one end (20) detachably coupled to a first end (22) of the base portion (14) and another end (24) coupled to a second end (26) of the base portion (14) via the joining portion (18). A flexible coil sensor (40) is disposed in the sensor housing (12); bonded substantially along the base portion (14) and the joining portion (18) and configured to generate a signal representative of a fault in the electrical wire (28). A processing device (50) is disposed in the sensor housing (12) and configured to detect and locate a fault in the electrical wire (28) in response to the signal representative of the fault in the electrical wire (28) generated by the flexible coil sensor (40).
    • 系统(10)包括具有基部(14),盖部分(16)和接合部分(18)的传感器外壳(12)。 接合部分(18)构造成围绕电线(28)的至少一部分缠绕。 盖部分(16)包括可拆卸地联接到基部(14)的第一端(22)的一个端部(20)和与基部(14)的第二端(26)连接的另一端(24) 接合部分(18)。 柔性线圈传感器(40)设置在传感器壳体(12)中; 基本上沿着基部(14)和接合部分(18)键合并且被配置为产生表示电线(28)中的故障的信号。 处理装置(50)设置在传感器壳体(12)中,并被配置为响应于代表由柔性(28)产生的电线(28)中的故障的信号来检测和定位电线(28)中的故障 线圈传感器(40)。
    • 5. 发明公开
    • MAGNETIC CURRENT SENSING AND SHORT CIRCUIT DETECTION IN PLATE STRUCTURE
    • EINER PLATTENSTRUKTUR的KURZSCHLUSSERKENNUNG的MAGNETISCHE STROMDETEKTOR
    • EP1004027A4
    • 2001-05-09
    • EP98934613
    • 1998-07-24
    • CANDESCENT TECH CORP
    • FIELD JOHN EOBERG STEPHANIE J
    • G01R31/02G01R15/20G01R19/00G09G3/00H01J9/42H05K3/00G01R31/315G01R15/18G01R31/28
    • G09G3/006G01R15/148H01J9/42H01J2329/00
    • A device (16) for sensing current flowing in a generally flat plate structure (10) contains a magnetic head (18) and signal processing circuitry (20). The magnetic head (a) senses changes in current-induced magnetic flux as the head is positioned over the plate structure and (b) provides a head output signal. The signal processing circuitry processes the head output signal to produce a data signal indicative of how much current appears to flow in the plate structure below the head. A driving voltage, which typically varies in a periodic manner to produce a characteristic signature, is applied to a primary conductor in the plate structure. When the plate structure contains a group of first electrical conductors (32) that are nominally electrically insulated from and cross a group of second electrical conductors (48), a probability analysis technique is typically performed on magnetically obtained current data to detect short circuit defects in the plate structure.
    • 用于感测在大致平板结构(10)中流动的电流的装置(16)包含磁头(18)和信号处理电路(20)。 当头部位于板结构上方时,磁头(a)感测电流感应磁通量的变化,(b)提供磁头输出信号。 信号处理电路处理头部输出信号以产生一个数据信号,该数据信号指示在头部下面的板结构中出现多少电流。 通常以周期性方式变化以产生特征特征的驱动电压被施加到板结构中的主导体。 当板结构包含一组名义上与一组第二电导体(48)电绝缘并与其交叉的第一电导体(32)时,通常对磁力获得的电流数据执行概率分析技术以检测短路缺陷 板结构。
    • 6. 发明公开
    • Method for measurement of alternating current, measurement detector for measurement of alternating current, and use of SAID detector in a KWH meter
    • 一种用于交流电流,测量检测器和其使用在一个千瓦时米的测量方法
    • EP0710844A2
    • 1996-05-08
    • EP95115801.3
    • 1995-10-06
    • ENERMET OY
    • Seppä, Heikki
    • G01R15/14
    • G01R15/148G01R15/18G01R21/06
    • The invention concerns a method for measurement of alternating current, a measurement detector meant for measurement of alternating current, and the use of such a measurement detector in a kwh meter. In the method, inside the current conductor system (30a) or in direct vicinity of said system, a gradiometer of at least the first order is fitted, in which case the current that flows in the current conductor system (30a) induces a voltage in the gradiometer, and that the shape of the current conductor system (30a) and the shape of the coil construction of the gradiometer (20a) are adapted to one another so that the output signal is substantially independent from any little changes taking place in the relative positions of the current conductor system (30a) and the gradiometer (20a).
    • 本发明涉及一种方法,用于交流电流的测量值,测量检测器意味着交流电流的测量,并且使用在电能表寻求的测量的检测器。 在该方法中,电流导体系统内部(30A)或在所述系统的直接附近,至少一阶的一个梯度仪被安装,在该情况下,当前没有在电流导体系统(30A)流向感应出电压在 梯度计,并没有电流导体系统(30A)和所述梯度计(20A)的线圈结构的形状的形状angepasst彼此所以没有输出信号从发生在相对的任何小的变化基本上独立于 电流导体系统(30A)和所述梯度计(20A)的位置处。