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    • 2. 发明专利
    • Water leakage detector
    • 水泄漏检测器
    • JPS59119232A
    • 1984-07-10
    • JP23397182
    • 1982-12-24
    • Showa Electric Wire & Cable Co LtdToshiba CorpToshiba Eng Co Ltd
    • FUJIMAKI KOUJIFUKUSHIMA FUMIONANBA KATSUAKISASAKI NOBUHIROKASAHARA TOSHIO
    • G01M3/02G01M3/16
    • G01M3/16
    • PURPOSE:To reduce the number of laid conductors and to secure position detection by laying two groups of conductors in combination and connecting sensors. CONSTITUTION:A transistor (TR) 24 for switching are interposed in respective conductors constituting the 1st line group 7, and a bias voltage is applied from an electric power source 22 to their bases through resistances 23. On the other hand, sensors 9 connected to their collector sides are applied at the other-side electrodes with a detection voltage from a terminal 25 through a resistance 26 and the 2d line group 8. Then, the 2nd line group 8 is connected to one gate of each comparator 29 and a voltage for comparison is applied to the other gate through a resistance 28. When a scanning pulse is sent from a pulse oscillator 20 through a TTL open collector 21, the TR24 connected thereto turns on to ground the one electrode of the corresponding sensor 9. At this time, potential variation at the other electrode is detected by the comparator 29 and a receiver 30 decides on which sensor water stuck on.
    • 目的:通过将两组导体组合放置并连接传感器,减少敷设导体的数量并确保位置检测。 构成:用于切换的晶体管(TR)24插入构成第一线组7的相应导体中,并且通过电阻23将电压从电源22施加到其基极。另一方面,连接到 它们的集电极侧通过电阻26和2d线组8从端子25​​被施加到另一侧电极。然后,第二线组8连接到每个比较器29的一个栅极, 通过电阻28对另一个栅极进行比较。当通过TTL开路集电极21从脉冲振荡器20发送扫描脉冲时,连接到其上的TR24接通相应传感器9的一个电极的接地。此时 ,由比较器29检测另一电极的电位变化,并且接收器30判定哪个传感器水被卡住。
    • 3. 发明专利
    • Leak sensor for water
    • 漏水传感器水
    • JPS5979148A
    • 1984-05-08
    • JP19037382
    • 1982-10-28
    • Showa Electric Wire & Cable Co Ltd
    • NANBA KATSUAKISASAKI NOBUHIRO
    • G01M3/18G01M3/16G01N27/06G01N27/07
    • G01N27/07
    • PURPOSE:To prevent water from being stuck to an electrode and make the constitution small-sized and enhance the mechanical strength, by exposing the prescribed-length electrode from the terminal of a sensor formed by molding plural electric wires with a resin. CONSTITUTION:An electric wire group (12 electric wires) is arranged circularly electrodes 2 which have conduction parts exposed from the terminal of the electric wire group by a length l are molded with the resin while leaving side faces of conduction parts of electric wires as they are, thus forming a sensor 1. Electrodes 2 are so arranged that detecting electrodes 4 and common electrodes 5 are adjacent to each other certainly. The sensor corresponding to a circuit which detects many water leak positions is constituted in this manner; and even if the number of detection points is increased, the number of detecting lines is reduced because of the BCD processing.
    • 目的:通过将规定长度的电极从通过用树脂成型多根电线形成的传感器的端子露出来,防止水粘附到电极上并使结构小型化并提高机械强度。 构成:电线组(12根电线)配置有从电线组的端子露出长度l的导电部分的圆形电极2与树脂一起模制,同时留下电线的导电部分的侧面,因为它们 因此形成传感器1.电极2被布置成使得检测电极4和公共电极5彼此相邻。 对应于检测许多漏水位置的电路​​的传感器以这种方式构成; 并且即使检测点的数量增加,由于BCD处理,检测线的数量减少。
    • 4. 发明专利
    • Electric power supply device
    • 电力设备
    • JPS5739428A
    • 1982-03-04
    • JP11517780
    • 1980-08-21
    • Nippon Telegr & Teleph Corp Showa Electric Wire & Cable Co Ltd
    • SAWA TAKASHIHARADA MASAHARUKASAHARA TOSHIONANBA KATSUAKI
    • H02P7/06G05F1/56G05F1/595
    • G05F1/595
    • PURPOSE:To reduce heat generation of a transistor and to make a device small in size, by inserting a resistor for heat generation sharing in parallel with a current adjusting transistor. CONSTITUTION:An AC electric power supply input from a power generator, etc. is received from a terminal 7, is rectified by a rectifying circuit 1, >=1 current adjusting transistors 2 and a current detection resistance 3 are connected in series, a DC output is obtained from a terminal 4, control voltage corresponding to an output current detected by said currnt detection resistance 3 is generated by a current controlling circuit 5, internal resistance of each current adjusting trnsistor 2 is increased or decreased, and a DC output of a constant current is obtained. In this case, the heat generation is shared by inserting a resistor 6 for heat generation sharing in parallel wth each current adjusting transistor 2. Accordingly, a transistor 2 having a small capacity can be used, and also the heat dissipation method for a resistor is much simpler than that of a transistor, therefore, a total cost of the electric power supply device is greatly reduced.
    • 目的:为了减少晶体管的发热并使器件体积小,可以通过插入一个与电流调节晶体管并联的发热共享电阻。 构成:从端子7接收从发电机等输入的交流电源,由整流电路1进行整流,电流调节用晶体管2和电流检测电阻3串联连接,直流 从端子4获得输出,由电流控制电路5产生与所述电流检测电阻3检测到的输出电流对应的控制电压,每个电流调节电阻2的内部电阻增加或减小, 获得恒定电流。 在这种情况下,通过在每个电流调节晶体管2上插入用于并联发热共享的电阻器6来共享发热。因此,可以使用具有小容量的晶体管2,并且电阻器的散热方法 因此,比晶体管简单得多,电力供应装置的总成本大大降低。
    • 5. 发明专利
    • Strand disconnection detecting coil for twisted wire
    • 用于双绞线的断路检测线圈
    • JPS5734448A
    • 1982-02-24
    • JP10915180
    • 1980-08-11
    • Showa Electric Wire & Cable Co Ltd
    • KASAHARA TOSHIONANBA KATSUAKI
    • G01N27/90H01B13/00H01F5/00
    • G01N27/9033
    • PURPOSE:To elevate the disconnection detection sensitivity with a detection coil in which several ways of a coil is looped across two points provided at a position circumferentially varied on a hollow cylindrical bobbin in such a manner as to be separated axially. CONSTITUTION:Support sets 2 and 3 comprising two struts 2a and 2b and 3a and 3b provided at a position circumferentially varied are provided on the circumferential surface of a hollow cylindrical bobbin 1 in such a manner as to be separated axially. In the support set 2, a coil 4 is looped in specified turns across the inner strut 2b and the outer strut 2a and in the support set 3, a coil 5 is looped across the innner strut 3a and the strut 3b. The coils 4 and 5 form a magnetic field in the radial direction of the bobbin, where the magnetic field of the coil 4 is N in polarity while that of the coil 5 is S. Therefore, an eddy current orients to the radial direction of the bobbin 1, namely, the direction of the twisted wire axis thereby increasing the disconnection detection sensitivity of disconnection.
    • 目的:提高检测线圈的断线检测灵敏度,其中线圈的几种方式跨越设置在中空圆柱形线轴上周向变化的位置上的两个点以轴向分离的方式环绕。 构成:在中空圆柱形筒管1的圆周表面上以轴向分开的方式设置包括设置在周向变化位置的两个支柱2a和2b和3a和3b的支撑组件2和3。 在支撑装置2中,线圈4以规定的匝环绕在内支柱2b和外支柱2a之间,并且在支撑组3中,线圈5环绕在内支柱3a和支柱3b上。 线圈4和5在线轴4的径向上形成磁极,其中线圈4的磁场极性为N,而线圈5的磁场为S.因此,将涡流定向到 线轴1,即绞合线轴线的方向,从而增加断开的断线检测灵敏度。
    • 6. 发明专利
    • Apparatus for measuring position of partial discharge generated in cable
    • 测量电缆中部分放电位置的装置
    • JPS59168377A
    • 1984-09-22
    • JP4377783
    • 1983-03-15
    • Showa Electric Wire & Cable Co LtdTokyo Densetsu Service Kk
    • NANBA KATSUAKISASAKI NOBUHIROAIHARA MITSUGIEBINUMA YASUMITSUENDOU YOSHIKATSUMUNAKATA KAZUO
    • G01R31/12
    • PURPOSE: To measure the position of a partial discharge generated in a cable at a high accuracy by memorizing a pulse due to a partial discharge generated therein to perform a computation based on the memory contents.
      CONSTITUTION: A series circuit of a capacitor 4 and a detection impedance 5 is connected between a core wire 1a and a shielding body 1b of a cable 1. When a high voltage is applied between the core wire 1a and the shielding body 1b, a plurality of pulses due to a partial discharge detected with the detection impedance 5 is memorized sequentially into a digital memory 8 through an amplifier 6. Then, an arithmetic unit 9 detects difference in the arrival time between first and second pulses from the memory 8 to compute the position of the partial discharge generated based on the difference and the propagation velocity of pulses through the cable 1. Thus, the position of a partial discharge generated can be measured at a high accuracy.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过存储由于其中产生的局部放电而产生的脉冲来高精度地测量在电缆中产生的局部放电的位置,以基于存储器内容执行计算。 构成:在芯线1a和电缆1的屏蔽体1b之间连接电容器4和检测阻抗5的串联电路。当在芯线1a和屏蔽体1b之间施加高电压时,多个 由于通过检测阻抗5检测到的局部放电的脉冲的脉冲通过放大器6顺序地存储到数字存储器8中。然后,运算单元9检测来自存储器8的第一和第二脉冲之间的到达时间的差异,以计算 基于通过电缆1的脉冲的差异和传播速度而产生的局部放电的位置。因此,可以高精度地测量产生的局部放电的位置。
    • 7. 发明专利
    • Power feeder
    • 电力馈线
    • JPS5760822A
    • 1982-04-13
    • JP12962880
    • 1980-09-18
    • Showa Electric Wire & Cable Co Ltd
    • KASAHARA TOSHIONANBA KATSUAKIAIHARA MITSUGI
    • H01F38/14G05F1/613H01F38/22H02J17/00
    • H01F38/22H01F2038/305
    • PURPOSE:To obtain easily a power feeder as a source for a corona measurement, by a method wherein a constant voltage control circuit is connected to output terminals of a current transformer which encircles a high voltage line through an AC/DC converter. CONSTITUTION:A current transformer 12 is placed so as to encircle a 3.3-6.6kV high voltage distribution line W and an AC/DC converter 4, a constant voltage control circuit 5 and, if necessary, a DC/AC converter 6 are connected to the output terminals of the transformer 12 in cascade. With above method a power source such as an engine generator is not necessary in case of a corona measurement and an AC source can be obtained from the high voltage distribution line. In above configuration a split 3 for coupling with the distribution line W, an annular core 1 and a coil 2 are provided to the curent transformer 12 and the converter 4 is composed of four diode elements connected to form a bride. The circuit 5 is composed of elements such as transistors, resistors, or Zener diods and has a parallel control method of a common regulator. The converter 6 is composed of diodes in the same way as the converter 4.
    • 目的:为了容易地获得作为电晕测量源的馈电器,通过一种方法,其中恒定电压控制电路连接到通过AC / DC转换器环绕高压线的电流互感器的输出端。 构成:电流互感器12被放置成环绕3.3-6.6kV高压配电线W和AC / DC转换器4,恒压控制电路5和必要时将DC / AC转换器6连接到 变压器12的输出端子级联。 利用上述方法,在电晕测量的情况下不需要诸如发动机发电机的电源,并且可以从高压配电线获得AC电源。 在上述配置中,用于与分配线W耦合的分割器3,环形芯1和线圈2被提供给固化变压器12,并且转换器4由连接以形成新娘的四个二极管元件组成。 电路5由诸如晶体管,电阻器或齐纳二极管的元件组成,并且具有通用调节器的并联控制方法。 转换器6以与转换器4相同的方式由二极管组成。
    • 8. 发明专利
    • Robot-position detector
    • 机器人位置检测器
    • JPS6156906A
    • 1986-03-22
    • JP17874084
    • 1984-08-27
    • Showa Electric Wire & Cable Co Ltd
    • NANBA KATSUAKIKIUCHI MIZUO
    • G01B21/00G01B21/06
    • PURPOSE: To make the detector small and inexpensive, by providing a part to be detected in a cable, detecting the cable, and detecting the position of a robot based on the length of the pulled out cable.
      CONSTITUTION: When a robot 3 runs on a rail and a cable 2 is pulled out of a cable storing device 1, iron pieces 4, which are embedded in the cable 2, are detected by sensors 5 and 6. The outputs of the sensors 5 and 6 are imparted to the first and second counters 12 and 17 through the first and second detecting circuits 10 and 14 and the first and second one-shot-output circuits 11 and 15. The length of the pulled out cable is computed based on the nuber counted by the counter 12 in an confirming circuit 13, and the position of the robot is computed. Whether the data of a robot-position memory circuit 23 agrees with the data of the robot position data detected by the confirming circuit 13 or not is iudged by a position judging circuit 20. When they agree with each other, the position of the robot 3 is displayed on a display 22 through a display driving circuit 21.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过在电缆中提供要检测的部件,检测电缆,并根据拉出电缆的长度检测机器人的位置,使检测器小巧便宜。 构成:当机器人3在轨道上运行并且电缆2从电缆存储装置1拉出时,嵌入电缆2中的铁片4被传感器5和6检测。传感器5的输出 和6通过第一和第二检测电路10和14以及第一和第二单触发输出电路11和15赋予第一和第二计数器12和17。拉出电缆的长度基于 在确认电路13中由计数器12计数的nuber,并计算机器人的位置。 机器人位置存储器电路23的数据是否与由确认电路13检测到的机器人位置数据的数据一致的位置判断电路20是否被位置判定电路20所抵消。当它们彼此一致时,机器人3的位置 通过显示驱动电路21显示在显示器22上。
    • 9. 发明专利
    • Apparatus for measuring position of partial discharge generated in cable
    • 测量电缆中部分放电位置的装置
    • JPS59168376A
    • 1984-09-22
    • JP4377683
    • 1983-03-15
    • Showa Electric Wire & Cable Co LtdTokyo Densetsu Service Kk
    • NANBA KATSUAKISASAKI NOBUHIROAIHARA MITSUGIEBINUMA YASUMITSUENDOU YOSHIKATSUMUNAKATA KAZUO
    • G01R31/12G01R31/08
    • PURPOSE: To measure the position of partial discharge generated in cable at a high accuracy by memorizing a pulse due to a partial discharge generated therein to perform a computation based on the memory contents.
      CONSTITUTION: When a high voltage is applied between a core wire 1a and a shielding member 1b of a cable 1, a plurality of pulses due to a partial discharge as detected with an detection impedance 5 is memorized sequentially into a digitial memory 8 through an amplifier 6. Then, an arithmetic unit 9 detects a difference in the arrival time between the rise starting time of the first pulse and the rise starting time of the second pulse based on the voltage value and the arrival time at least at two points of the rising part in the first and second pulses from the memory 8. Subsequently, the position of the partial discharge generated based on the arrival time difference and the propagation velocity of the pulses through the cable 1. Thus, the position of the partial discharge generated can be measured at a high accuracy.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过存储由于其中产生的局部放电而产生的脉冲来高精度地测量电缆中产生的局部放电的位置,以基于存储器内容执行计算。 构成:当在电线1的芯线1a和屏蔽构件1b之间施加高电压时,由检测阻抗5检测到的局部放电的多个脉冲通过放大器顺序地存储到数字存储器8中 然后,算术单元9至少在上升的两个点处基于电压值和到达时间来检测第一脉冲的上升开始时间和第二脉冲的上升开始时间之间的到达时间之间的差异 部分地存储在存储器8的第一和第二脉冲中。随后,基于到达时间差产生的局部放电的位置和脉冲通过电缆1的传播速度。因此,产生的局部放电的位置可以是 以高精度测量。
    • 10. 发明专利
    • Gap measuring device of corrugated sheathed cable
    • 腐蚀性电缆的GAP测量装置
    • JPS5979109A
    • 1984-05-08
    • JP19037282
    • 1982-10-28
    • Showa Electric Wire & Cable Co Ltd
    • KASAHARA TOSHIONANBA KATSUAKI
    • G01B21/16H01B13/00
    • H01B13/0009
    • PURPOSE:To adjust a throttle ring at a production time, by measuring the outside diameter of an insulated conductor, the thickness of a flat sheath, and the outside diameter of a corrugated sheath and calculating the gap in the wave bottom on a basis of these measured values. CONSTITUTION:An outside diameter measured value of an insulated conductor 2 by an outside diameter measurer 12 is denoted as (d), and a thickness measured value of the sheath of a corresponding position of a flat cable 4 by a thickness measurer 13 is denoted as t0. An outside diameter of a sheath wave bottom 8 of a corresponding position of a corrugate sheath cable 6 measured by an outside diameter measurer 14 is denoted as D. When the thickness in the wave bottom of the sheath is denoted as t2, the thickness t2 is determined 1.1-1.3 times as thick as the thickness t0 experimentally and is set preliminarily in an operating device 15. A gap G in the wave bottom is calculated in the operating device 15 in accordance with equation 2G=D-d-2t2. Thus, the adjustment of the throttle ring at the production time is possible, and the damage or the like of an insulating paper due to overthrottling is prevented.
    • 目的:在生产时调节节流环,通过测量绝缘导体的外径,平面护套的厚度和波纹护套的外径,并根据这些来计算波底的间隙 测量值。 构成:通过外径测量器12将绝缘导体2的外径测量值表示为(d),并且通过厚度测量器13将扁平电缆4的相应位置的护套的厚度测量值表示为 T0。 由外径测量器14测量的波纹鞘电缆6的对应位置的鞘波底部8的外径表示为D.当鞘的波底的厚度表示为t2时,厚度t2为 通过实验确定为厚度t0的1.1-1.3倍,并且预先设置在操作装置15中。根据等式2G = Dd-2t2在操作装置15中计算波底中的间隙G. 因此,可以在制造时调节节流环,并且防止由于过度旋转导致的绝缘纸的损坏等。