会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Myogenic potential sensor
    • 生物潜能传感器
    • JP2011206398A
    • 2011-10-20
    • JP2010078992
    • 2010-03-30
    • Hitachi Cable LtdIbaraki Univ国立大学法人茨城大学日立電線株式会社
    • KUMAGAI TATSUYAKANAMARU KIMIHARUKOMATSUZAKI SHINJIAOSHIMA SHINICHI
    • A61B5/0488A61B5/0408A61B5/0478A61B5/0492
    • PROBLEM TO BE SOLVED: To provide a myogenic potential sensor which can detect a myogenic potential sensitively even if a myogenic potential detecting electrode takes a bad position more or less, and is easy to handle and high in versatility.SOLUTION: The myogenic potential sensor includes a sensor 2 which has three or more myogenic potential detecting electrodes 4, and a signal processor 10 which has an electrode pair learning part 18 and a myogenic potential detecting part 19, wherein the sensor 2 is applied to a site to detect, which is then made to take a determined action, thereby causing a potential difference; the potential difference is detected by a pair of the myogenic potential detecting electrodes 4 prior to detecting myogenic potentials; the signal processor 10, which is input with potential signals from each of the myogenic potential detecting electrodes 4 of the sensor 2, bases on the potential signals to detect the myogenic potentials; the potential pair learning part 18 detects the pair of the myogenic potential detecting electrodes 4 and memorizes the pair of the myogenic potential detecting electrodes 4 in relation with the determined action; and the myogenic potential detecting part 19 detects the potential difference across the pair memorized by the potential pair learning part 18 to detect the myogenic potential.
    • 要解决的问题:提供即使造血电位检测电极或多或少存在差的位置也能敏感地检测肌原性潜能并且易于处理和多功能性高的肌生成电位传感器。解决方案:肌源电位传感器包括 具有3个以上的肌原性电位检测电极4的传感器2和具有电极对学习部18和肌成胶体电位检测部19的信号处理部10,其中,将传感器2应用于检测的位置 做出决定性行动,从而造成潜在差异; 在检测肌原性电位之前,通过一对肌源电位检测电极4检测电位差; 输入来自传感器2的每个肌源电位检测电极4的电位信号的信号处理器10基于检测肌原性电位的电位信号; 电位对学习部18检测该对肌成像电位检测电极4,并与确定的动作相对应地存储一对肌原性电位检测电极4; 并且肌原性电位检测部19检测由潜在对学习部18存储的对的电位差,以检测肌原性电位。
    • 2. 发明专利
    • Detecting method of lightning stroke
    • 雷击探测方法
    • JPS60214273A
    • 1985-10-26
    • JP7253584
    • 1984-04-10
    • Hitachi Cable Ltd
    • KANAMARU KIMIHARUSUGIYAMA KOUICHIANDOU YORIO
    • G01R31/00G01W1/16
    • PURPOSE: To simplify the structure of the device and to detect a lightning stroke accurately by spotting a lightning stroke point by utilizing the difference in arrival time between a lightning current which flows through an overhead earth- wire provided successively to a power transmission line and a lightning sound which propagates in space.
      CONSTITUTION: When a thunderbolt strikes the power transmission line adjoining to a steel tower 3, the lightning current flows through the optical fiber composite overhead earth-wire. This lightning current is detected by a current transformer 4 and an E/O lightning conversion part 5 is operated directly to leads the current to an O/E conversion part 7 through an optical fiber 61. This lightning current information is passed through an amplifier 81 to actuates a monostable multivibrator 82 and is held by a sample holding circuit 84 at the same time to generate a lightning generation signal. Then, an integrator 83 integrates the output of the monostable multivibrator 82 until a lightning noise is inputted through a microphone 9 and the amplifier 81 and the output converted to distance by an A/D converter 85 is transmitted to a remote place by a transmitter 10 through an optical fiber in the overhead earth-wire 1.
      COPYRIGHT: (C)1985,JPO&Japio
    • 目的:为了简化设备的结构,并通过利用流经连接到输电线路的架空地线之间的雷电电流与发电线路之间的到达时间差,通过发现雷击点来准确地检测雷击行为 闪电在太空中传播。 构成:当雷电撞击与钢塔3相邻的输电线时,雷电流通过光纤复合架空地线。 该雷电电流由电流互感器4检测,并且E / O雷电转换部分5被直接操作以通过光纤61将电流引导到O / E转换部分7.该雷电电流信息通过放大器81 以驱动单稳态多谐振荡器82并由样本保持电路84同时保持以产生闪电发生信号。 然后,积分器83对单稳态多谐振荡器82的输出进行积分,直到通过麦克风9和放大器81输入闪电噪声,并且由A / D转换器85转换为距离的输出由发射机10发送到远程位置 通过架空地线1中的光纤。
    • 3. 发明专利
    • Measurement of dielectric loss of power cable
    • 电力电缆损耗的测量
    • JPS59135373A
    • 1984-08-03
    • JP961583
    • 1983-01-24
    • Central Res Inst Of Electric Power IndHitachi Cable LtdKansai Electric Power Co Inc:TheSumitomo Electric Ind Ltd
    • KAWAZU MOTOOIMADA YOUKOUFUKAGAWA HIROMASAIMASHIRO NAOHISANAMIKATA TOSHIOHIROSE MASAYUKIKANAMARU KIMIHARUMINAFUJI JIYUNICHI
    • G01R27/26
    • PURPOSE: To simplify and accurately measure the dielectric loss of a power cable, by arranging a dummy cable which has the same constitution and the same detection element as a power cable to be measured and to which AC voltage is not applied in the same atmosphere as the power cable to be measured while measuring the dielectic loss of the power cable from the temp. difference of both cables.
      CONSTITUTION: A power cable A to be measured and a dummy cable B are arranged in the same atmosphere. The power cable A to be measured has a conductor 1 and a metal sheath 1b between which AC voltage is, in turn, applied. Thermocouples 2, 3 are provided to the surfaces of the outermost layer 1c and the heating medium 8 covering the outer periphery of said layer 1c of each of both cables and the outputs of said thermocouples 2, 3 are measured by a temp. measuring instrument 6 such as a temp. recorder. As the substance covering the surface of the outermost layer of the power cable, a material of which the heat conductivity is low and is not changed by a temp., for example, air, a cork material or other org. materials are desired but there is no limit if a material has known heat conductivity. As the dummy cable, one having the same heat constant as the cable to be measured is used.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了简化和准确测量电力电缆的介电损耗,通过布置与测量电源线具有相同结构和相同检测元件的虚拟电缆,并在相同气氛中不施加交流电压 测量电力电缆时测量电力电缆的介电损耗。 两根电缆的差异。 规定:待测电源线A和虚拟电缆B布置在相同的气氛中。 要测量的电力电缆A具有导体1和金属护套1b,在其之间施加有交流电压。 将热电偶2,3设置在最外层1c的表面,覆盖两根电缆的所述层1c的外周的加热介质8,并且通过温度测量热电偶2,3的输出。 测量仪器6如温度 录音机。 作为覆盖电力电缆的最外层的表面的物质,其导热率低的材料,不会被温度例如空气,软木材料或其他组织改变。 需要材料,但是如果材料具有已知的导热性,则没有限制。 作为虚拟电缆,使用与要测量的电缆相同的热常数的虚拟电缆。
    • 4. 发明专利
    • Current detector using optical fiber
    • 使用光纤的电流检测器
    • JPS61107169A
    • 1986-05-26
    • JP22872484
    • 1984-10-30
    • Hitachi Cable Ltd
    • KANAMARU KIMIHARU
    • G01R15/24G01R15/22G01R33/032G01R15/07
    • PURPOSE: To enable the detection of a current with high accuracy and to simplify a structure, by detecting a current in such a mode that the magnetic field around an electric wire is subjected to perimetric integration.
      CONSTITUTION: The polarizing axes of two polarization surface preserving optical fibers 4, 4 are arranged so as to be mutually inclined by 45° in the coupling with polarization beam splitters 2, 2 and the beam emitted from a laser beam source 5 is divided into two beam paths by the splitters 2, 2. When the beams passed through the fibers 4 are incident to single mode optical fibers 31, said beams are rotated by an angle ϕ by the magnetic field generating from an electric wire 11 to enter an 1/2 wavelength plate 8 to generate phase shift of 180° and further propagated through the fibers 31 to be rotated by the angle ϕ to be incident to light receiving elements 61, 62 through the fibers 4 and the splitters 2. The ratio of the sum and difference of orthogonal components of the optical signals from the elements 61, 62 is calculated by a subtraction amplifying circuit 71, an addition amplifying circuit 72 and a divider 73 and the obtained output is proportional to the current of the electric wire 11.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过以电线周围的磁场进行周边整合的方式检测电流,能够高精度地检测电流并简化结构。 构成:两个偏振面保存用光纤4,4的偏振轴配置成相互倾斜45度。 在与偏振分束器2,2的耦合中,从激光束源5发射的光束被分束器2,2分成两束光束路径。当通过光纤4的光束入射到单模光纤31时, 所述光束通过从电线11产生的磁场旋转角度φ1进入1/2波片8以产生180度的相移。 并且进一步传播通过光纤31旋转角度φ以通过光纤4和分束器2入射到光接收元件61,62。光信号与元件的正交分量之和的比值 61,62由减法放大电路71,加法放大电路72和除法器73计算,所得到的输出与电线11的电流成比例。
    • 5. 发明专利
    • Position detecting device for flashover steel tower in power transmission line
    • 电力传输线上用于闪电钢塔的位置检测装置
    • JPS6135370A
    • 1986-02-19
    • JP15786184
    • 1984-07-27
    • Hitachi Cable Ltd
    • TOYOSHIMA MASAHIKOKANAMARU KIMIHARU
    • G01R31/08
    • PURPOSE: To detect the position of a flashover steel tower at a remote position such as a wire maintenance center and a control center by transmitting the output of a flashover detection sensor fitted to the steel tower to a place where the position of the flashover steel tower is detected through an optical fiber.
      CONSTITUTION: Flashover detection sensors 3a
      1 and 3a
      2 , and 3b
      1 and 3b
      2 are fitted to steel towers 2a and 2b of the power transmission line as an object of flashover detection. Further, electrooptic converting circuits 5a and 5b are provided to turn on a group of light emitting diodes corresponding to binary codes of addresses given to the steel towers previously or one light emitting diode combined with a branch circuit according to outputs of those sensors. Then, if a flashover occurs to, for example, the steel tower 2a, the sum output of the sensors 3a
      1 and 2a
      2 is inputted to the converter 5a and converted into a light signal, which is guided to a signal fetch circuit 7a through an optical fiber 6a and transmitted to the wire maintenance center or control center through the optical fiber incorporated in an optical fiber compound overheat earth-wire 1.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过将安装在钢塔上的闪络检测传感器的输出传递到闪络钢塔位置的位置,检测闪电钢塔位置在诸如电线维护中心和控制中心等远程位置的位置 通过光纤检测。 构成:将闪络检测传感器3a1,3a2,3b1,3b2作为闪络检测对象安装在输电线路的钢塔2a,2b上。 此外,提供电光转换电路5a和5b,以根据这些传感器的输出来打开对应于给予钢塔的地址的二进制代码的一组发光二极管或与分支电路组合的一个发光二极管。 然后,如果发生例如钢塔2a的闪络,则传感器3a1和2a2的和输出被输入到转换器5a,并转换为光信号,该光信号通过光学信号被引导到获取信号电路7a 光纤6a,并通过并入光纤复合体中的光纤传递到线维护中心或控制中心,过热地线1。
    • 6. 发明专利
    • Device for measuring trolley wire voltage
    • 用于测量拉杆电压的装置
    • JPS59162702A
    • 1984-09-13
    • JP3715683
    • 1983-03-07
    • Hitachi Cable Ltd
    • ANDOU YORIOKANAMARU KIMIHARU
    • B60L3/00B60L5/00
    • PURPOSE: To enable to measure always stable voltage irrespective of the contact or noncontact of a pantograph by employing a sensor having electro-optical effect and an optical fiber to form a voltage detection transmitter.
      CONSTITUTION: A sensor 10 having electro-optic effect is disposed under a trolley wire 1 in parallel with a mount of a pantograph 2 on a runner 3. The sensor 10 produces an electric field E by the voltage V of the wire 1, and the light of constant polarized wave incident through an optical fiber or through an optical fiber and a polarizer to the sensor 10 varies in the polarized surface by the field E in the sensor 10. The variation in the polarized surface is detected by an output fiber or an output polarizer and the optical fiber, thereby measuring the voltage of the wire 1.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过采用具有电光效应的传感器和光纤形成电压检测变送器,能够测量始终稳定的电压,而不管受电弓的接触或非接触。 构成:具有电光效应的传感器10与滑轨3上的集电弓2的安装平行地配置在电车线1的下方。传感器10通过线1的电压V产生电场E, 通过光纤或通过光纤和偏振器入射到传感器10的恒定偏振波的光在偏振表面中由传感器10中的场E变化。偏振表面的变化由输出光纤或 输出偏振器和光纤,从而测量线1的电压。
    • 7. 发明专利
    • Short-circuit testing circuit of power cable
    • 短路电力电缆测试电路
    • JPS5739362A
    • 1982-03-04
    • JP11452980
    • 1980-08-20
    • Hitachi Cable Ltd
    • SUGIYAMA KOUICHIANDOU YORIOSHIGA SHIYOUICHIKANAMARU KIMIHARUSATOU HIDEOMINAFUJI JIYUNICHI
    • G01R31/12G01R31/02H01B13/00
    • G01R31/025
    • PURPOSE:To record a short-circuit start time together with information of ignition and explosion of a power cable by use of a high-speed camera or a video camera, by using a stroboscopic lamp which emits light, synchronizing with a short-circuit current. CONSTITUTION:A video camera 7 is set at a position where a sample 1 can be observed well, and a video body 8 is operated before short-circuit is started. Subsequently, when a hort-circuit current is made to flow to the sample 1, the current flows to a secondary circuit of a current transformer 4, too, a stroboscopic lamp 6 emits light, and it is caught by the video camera 7. After that, ignition or explosion occurs in the sample, but such a state is picture-recorded one after another through the video camera 7. Accordingly, after a short-circuit test has been executed, when a video film is changed to a video through television, etc., the short-circuit start time and also the subsequent status change of the sample 1 are grasped in detail.
    • 目的:使用高速摄像机或摄像机,通过使用发光的频闪灯,与短路电流同步,记录短路开始时间以及电源线的点火和爆炸信息 。 构成:将摄像机7设定在能够良好地观察样本1的位置,在短路开始之前动作视频体8。 随后,当使电流流向样品1时,电流也流过电流互感器4的次级电路,频闪灯6发光,并被摄像机7捕获。之后 在样品中发生点火或爆炸,但是这样的状态通过摄像机7一个接一个地被图像记录。因此,在执行了短路测试之后,当通过电视机将视频电影改变为视频 等等,详细地了解了样品1的短路开始时间和随后的状态变化。
    • 8. 发明专利
    • Power cable accident section locating device
    • 电力电缆事故部分定位装置
    • JPS6131973A
    • 1986-02-14
    • JP15501784
    • 1984-07-25
    • Hitachi Cable Ltd
    • KANAMARU KIMIHARUSUGIYAMA KOICHI
    • G01R31/08H02H7/26
    • PURPOSE: To grasp exactly an accident section as soon as an accident is generated with simple constitution, by utilizing a zero-phase current of a cross-bond wire as an accident current, and transmitting a locating result by using an optical fiber.
      CONSTITUTION: In-locating section bond wires 2 are lumped together and inserted into current transformers 51, 52, 53, etc., and LEDs 61, 62 and 63 which become the opposite polarity to each other in a section adjacent to the secondary side of the transformers 51, 52 and 53 are driven by a zero-phase current of the bond wire. If a cable is brought to dielectric breakdown and ground-fault at a point B, an accident current is shunted to the wires 2, a reverse current flows to the transformers 51, 52, and the LEDs 61, 62 of the opposite polarity emit light simultaneously. In the same way, the adjacent LEDs 61, 63 emit light alternately and do not emit light simultaneously. An output corresponding to an accident locating section of AND circuits 81, 82 based on an output of accident section locating optical fibers 211W213 corresponding to this light emitting state is transmitted by optical fibers 221, 222 without being influenced by noises, etc., and an accident section is located exactly as soon as an accident is generated with simple constitution.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过简单的结构产生事故,通过利用交叉电线的零相电流作为事故电流,并通过使用光纤传输定位结果,即可掌握事故部分。 构成:定位部分接合线2被集中在一起并插入到与第二侧相邻的部分中彼此成为相反极性的电流互感器51,52,53等以及LED61,62和63中 变压器51,52和53由接合线的零相电流驱动。 如果电缆在点B处导致电介质击穿和接地故障,则事故电流分流到电线2,反向电流流向变压器51,52,相反极性的LED61,62发光 同时。 以相同的方式,相邻的LED61,63交替发光,并且不会同时发光。 基于对应于该发光状态的事故部分定位光纤211-213的输出,对应于AND电路81,82的事故定位部分的输出被光纤221,222传输而不受噪声等的影响, 一旦事故以简单的结构产生,事故部分就位于一切。
    • 9. 发明专利
    • Fault section locator
    • 故障定位器
    • JPS6125076A
    • 1986-02-03
    • JP14653284
    • 1984-07-13
    • Hitachi Cable Ltd
    • KANAMARU KIMIHARUSUGIYAMA KOICHI
    • G01R31/08H02H3/30H02H7/26
    • PURPOSE: To provide an apparatus which is simple and inexpensive free from malfunctioning due to any disturbing noise, by transmitting light of light emitting elements with an optical fiber to obtain an AND output by photoelectric conversion after the light emitting elements are connected in opposite polarity between adjacent ones on the respective secondary sides of current transformers in an overhead earth wire.
      CONSTITUTION: A plurality of current transformers 51, 52 and 53 are provided in an optical fiber compound overhead earth wire 2. Light emitting elements 61, 62 and 63 are provided on the respective secondary sides thereof and connected in the opposite porality between adjacent ones. Light of the light emitting elements 61... is introduced into light converters 71, 72 and 73 through optical fibers 211, 212 and 213 for locating faul sections to obtain an AND output with AND circuits 81 and 82. Here, when a flash over fault occurs, current flows through the earth wire 2. While current opposite in the direction flows through the transformers 51 and 52, the elements 61 and 62 emit light simultaneously because of the opposite polarity. By contrast, there is no simultaneous emission between the transformers 51 and 53. Thus, the outputs of the converters 71... receiving light and the outputs of the circuits 81 and 82 are difference inthe waveform and the AND output at the fault point shows a high level while those at other points a low level.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:为了提供一种简单且廉价的装置,由于任何干扰的噪音而不发生故障,通过用光纤传输发光元件的光以在发光元件以相反极性连接后通过光电转换获得AND输出 相邻的在架空地线中的电流互感器的次级侧。 构成:多个电流互感器51,52和53设置在光纤复合架空接地线2中。发光元件61,62和63设置在其相应的二次侧,并且以相邻的相对的方式连接。 发光元件61 ...的光通过光纤211,212和213被引入到光转换器71,72和73中,用于定位尾部以获得AND电路81和82的AND输出。这里,当闪光 发生电流故障,电流流过接地线2.虽然与方向相反的电流流过变压器51和52,但由于极性相反,元件61和62同时发光。 相反,在变压器51和53之间没有同时发射。因此,接收光的转换器71 ...和电路81和82的输出的输出在波形上是不同的,故障点处的与输出显示 高水平,而其他点的水平较低。
    • 10. 发明专利
    • Seal testing method
    • 密封测试方法
    • JPS54149694A
    • 1979-11-24
    • JP5784378
    • 1978-05-16
    • Hitachi Cable Ltd
    • FUKAZAWA MASAKATASUGIYAMA KOUICHIANDOU YORIOKANAMARU KIMIHARUSATOU HIDEOMINAFUJI JIYUNICHI
    • G01M3/28G01M3/04G01M3/22H01B13/24
    • PURPOSE: To continuously accomplish the seal tests in a manner to monitor the exhaust gases at all times by scavenging the extruded or welded portion of a pipe so that He gases are continuously blown onto the outer side of the pipe immediately after the extrusion or the welding operation while guiding the exhuast gases into an He leak detector.
      CONSTITUTION: A cable core 1 is guided through a sealed pipe 2 under an evacuated condition into an aluminum sheath extruder and is coated with the sheath of aluminum in the manner as shown in arrow. Immediately after this coating, He gases are blown onto the Al sheath. After cooled down with cooling water, the sheath 8 is currugated by a currugator 9 thereby to produce a corrugated sheath 10. An evacuating pump 11 is arranged immediately in front of rhe extruder 3, and an He detector 13 is arranged through an oil diffusion pump 12. The leading end of the cable having the sheath is closed so that the pipe 2 and the sheath 8 are evacuated by the pump 11. At this time, the inside of the He detecting pipe 13 is evacuated by means of the pump 12, and the He gases are sucked into the sheath 8, if there is any leak in the sheath 8, so that the leak can be detected by the pipe 13.
      COPYRIGHT: (C)1979,JPO&Japio
    • 目的:通过清理管道的挤出或焊接部分,始终通过清除排气的方式不间断地进行密封试验,使得He气体在挤出或焊接后立即连续地吹到管的外侧 同时将排出气体引导到He泄漏检测器中。 构成:电缆芯1在真空条件下被引导通过密封管2到铝鞘挤出机中,并以如箭头所示的方式涂覆有铝护套。 在这种涂层之后,He气体被吹到Al鞘上。 用冷却水冷却后,护套8由卷曲器9进行波纹化,从而制成波纹状护套10.紧急挤压机3的前方配置有排气泵11,通过油扩散泵 具有护套的电缆的前端被封闭,使得管子2和护套8被泵11抽空。此时,借助于泵12将He检测管13的内部抽真空, 并且如果护套8中存在任何泄漏,则He气体被吸入护套8中,从而可以通过管13检测泄漏。