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    • 3. 发明专利
    • Resin molded vacuum valve and manufacturing method therefor
    • 树脂模制真空阀及其制造方法
    • JP2013089376A
    • 2013-05-13
    • JP2011227209
    • 2011-10-14
    • Toshiba Corp株式会社東芝
    • NAKAMURA YUSUKEIMAI TAKAHIROYAMAZAKI KENICHIKINOSHITA SUSUMUIKEDA JUNICHITAKEI YOSHIHIROHIRANO YOSHIHIKO
    • H01H33/662H02B13/02
    • PROBLEM TO BE SOLVED: To shorten the operation time when two-stage molding is performed using epoxy resins having different dielectric constants.SOLUTION: The resin molded vacuum valve includes: a vacuum valve having a pair of separable contacts 5, 6; electrical field relaxation shields 10, 11 provided around sealing fittings 2, 3 of the vacuum valve; a first insulation layer 12 molded of a material to which a hardening accelerator is added, around the vacuum valve and the electrical field relaxation shields 10, 11; a silane layer 13 provided around the first insulation layer 12; a second insulation layer 14 provided around the silane layer 13 and molded of a material having a dielectric constant smaller than that of the first insulation layer 12; and a ground layer 15 provided around the second insulation layer 14.
    • 要解决的问题:为了缩短使用具有不同介电常数的环氧树脂进行两阶段成型时的操作时间。 解决方案:树脂模制真空阀包括:具有一对可分离触点5,6的真空阀; 设置在真空阀的密封配件2,3周围的电场松弛护罩10,11; 由添加有硬化促进剂的材料模制的第一绝缘层12,围绕真空阀和电场弛豫屏蔽10,11; 设置在第一绝缘层12周围的硅烷层13; 设置在硅烷层13周围并由介电常数小于第一绝缘层12介电常数的材料模制的第二绝缘层14; 以及设置在第二绝缘层14周围的接地层15.版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Switch
    • 开关
    • JP2012151001A
    • 2012-08-09
    • JP2011008987
    • 2011-01-19
    • Toshiba Corp株式会社東芝
    • SATO JUNICHIASARI NAOKIKUBOTA NOBUTAKATAKEI YOSHIHIRO
    • H01H33/12H01H33/18H01H33/64H02B13/02
    • PROBLEM TO BE SOLVED: To provide a switch in which damage to a contact piece caused by arc ignition is suppressed, and which has improved switching characteristics.SOLUTION: Electrode parts which are brought into contact with and separated from each other includes a fixed-side electrode part 1a and a movable-side electrode part 1b arranged opposite to the fixed-side electrode part 1a. The movable-side electrode part 1b has a movable-side electrode shaft 11 which is freely movable and coupled to an operation mechanism. The fixed-side electrode part 1a comprises: a fixed-side electrode shaft 4 whose tip end is brought into contact with and separated from a tip end of the movable-side electrode shaft 11, and which moves only for a predetermined distance; an electrode pushing spring 9 which is biased so as to push the fixed-side electrode shaft 4 toward the movable-side electrode shaft 11; and a conductive contact piece 7 which is arranged on an outer periphery of the fixed-side electrode shaft 4, and which is brought into contact with and separated from an outer peripheral side surface of the movable-side electrode shaft 11.
    • 要解决的问题:提供一种开关,其中由电弧点火引起的接触片的损坏被抑制,并且具有改善的开关特性。 解决方案:彼此接触并分离的电极部分包括与固定侧电极部分1a相对设置的固定侧电极部分1a和可动侧电极部分1b。 可动侧电极部分1b具有可移动侧电极轴11,其可自由移动并联接到操作机构。 固定侧电极部1a包括:固定侧电极轴4,其固定侧电极轴4的前端与可动侧电极轴11的前端接触并分离,仅移动预定距离; 电极推压弹簧9被偏压以将固定侧电极轴4推向可动侧电极轴11; 以及布置在固定侧电极轴4的外周上并与可动侧电极轴11的外周侧面接触并与其分离的导电接触片7.

      COPYRIGHT (C)2012,JPO&INPIT

    • 5. 发明专利
    • Vacuum valve and manufacturing method thereof
    • 真空阀及其制造方法
    • JP2013008579A
    • 2013-01-10
    • JP2011140867
    • 2011-06-24
    • Toshiba Corp株式会社東芝
    • ASARI NAOKISASAKI HARUKASHIOIRI SATORUSOMEI HIROMICHITAKEI YOSHIHIROOTAKE SHIRO
    • H01H33/664H01H33/662
    • PROBLEM TO BE SOLVED: To preserve micronization of arc-proof components, starting from manufacturing of a contact, until completion of assembly of a vacuum valve and to achieve enhancement of voltage resistance characteristics.SOLUTION: A vacuum valve has a pair of contacts 5 and 6 that is freely brought into contact with each other and separated from each other. The pair of contacts 5 and 6 is constituted of: base material layers 5a and 6a formed by mixing predetermined quantities of conductive components and arc-proof components; first fine layers 5b and 6b that have first micronized arc-proof components micronized by energy irradiating the arc-proof components while being formed on surfaces of the base material layers 5a and 6a; and second fine layers 5c and 6c that have second micronized arc-proof components micronized by executing current conditioning treatment of the first micronized arc-proof components while being formed at random on surfaces of the first fine layers 5b and 6b.
    • 要解决的问题:为了保持防弧部件的微粉化,从接触制造开始直到完成真空阀的组装并且实现耐电压特性的提高。 解决方案:真空阀具有一对可自由地彼此接触并彼此分离的触点5和6。 一对触点5和6由以下部分组成:通过混合预定量的导电部件和防弧部件而形成的基材层5a和6a; 第一微细薄层5b和6b,其具有通过在基材层5a和6a的表面上形成的能量照射电弧组件而微粉化的第一微粉化防弧元件; 以及通过在第一微细化层5b和6b的表面上随机形成第一微粉化电弧组件的电流调节处理,使具有第二微粉化防弧组件微粉化的第二微细层5c和6c。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Mold vacuum valve and method for manufacturing the same
    • 模具真空阀及其制造方法
    • JP2012169145A
    • 2012-09-06
    • JP2011029022
    • 2011-02-14
    • Toshiba Corp株式会社東芝
    • KOMIYA GENIMAI TAKAHIROYAMAZAKI KENICHISATO JUNICHIASARI NAOKIKINOSHITA SUSUMUSAKAGUCHI OSAMUTAKEI YOSHIHIRO
    • H01H33/662
    • PROBLEM TO BE SOLVED: To provide a mold vacuum valve which achieves the reduction of stress in an insulating layer provided on the outer periphery thereof.SOLUTION: The mold vacuum valve comprises: a vacuum insulation container (1) housing a pair of contacts which are freely brought into contact with/separated from each other; sealing fittings (2, 3) sealed to both end openings of the vacuum insulation container (1); metal caps (6, 9) provided so as to cover sealing portions between the vacuum insulation container (1) and the sealing fittings (2, 3); conductive elastic members (7, 10) which are compressed at a predetermined pressure and are fixed between the sealing fittings (2, 3) and the metal caps (6, 9) in a contact manner; and an insulating layer (11) made of a thermosetting resin, which is formed on the outer periphery of the vacuum insulation container (1) including the metal caps (6, 9).
    • 要解决的问题:提供一种在设置在其外周上的绝缘层中实现应力降低的模具真空阀。 解决方案:模具真空阀包括:真空绝热容器(1),其容纳一对触点,其自由地彼此接触/分离; 密封到真空绝热容器(1)的两个端部开口的密封配件(2,3); 金属盖(6,9)设置成覆盖真空绝热容器(1)和密封配件(2,3)之间的密封部分; 以预定压力被压缩并以接触的方式固定在密封配件(2,3)和金属盖(6,9)之间的导电弹性构件(7,10); 以及形成在包括金属盖(6,9)的真空绝热容器(1)的外周上的由热固性树脂制成的绝缘层(11)。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Power quality evaluation system
    • 电力质量评估系统
    • JP2010213545A
    • 2010-09-24
    • JP2009059731
    • 2009-03-12
    • Toshiba Corp株式会社東芝
    • TAGUCHI YASUHIROTAKEI YOSHIHIROMIYABE TAKASHIKAZUSAWA SHINYAIINO MINORU
    • H02J3/00H02J13/00
    • Y04S10/527
    • PROBLEM TO BE SOLVED: To presume a failure or abnormality indicating its symptom in a load facility which comprehensively deteriorates power quality.
      SOLUTION: A power quality evaluation system includes: a harmonic component coincidence degree calculation means 13 that calculates the respective coincidence degrees of harmonic components between an actually measured harmonic component calculation result 15 gained from the electric amount supplied from a power system to a load facility and a normal harmonic component 16a/abnormal harmonic component 16b/load harmonic component 16c stored in a database 17; and a harmonic abnormality output means 14 that specifies, output, or display the failure of a load facility 3 or a harmonic abnormality pattern to be the symptom of a failure from each of the calculated harmonic component coincidence degree so that the power quality is comprehensively evaluated from the harmonic component coincidence degrees of multiple kinds of harmonic components.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:假定在负荷设备中表现出其全面恶化电力质量的症状的故障或异常。 电力质量评估系统包括:谐波分量一致度计算装置13,其计算从从电力系统提供的电量获得的实际测量的谐波分量计算结果15之间的谐波分量的重合度, 负载设备和存储在数据库17中的正常谐波分量16a /异常谐波分量16b /负载谐波分量16c; 以及谐波异常输出装置14,其根据计算出的每个谐波分量一致度来指定,输出或显示负载设备3的故障或谐波异常模式作为故障症状,从而全面评估电力质量 从谐波分量重合度的多种谐波分量。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Power quality evaluation system
    • 电力质量评估系统
    • JP2008236876A
    • 2008-10-02
    • JP2007071381
    • 2007-03-19
    • Toshiba Corp株式会社東芝
    • TAGUCHI YASUHIROTAKEI YOSHIHIROSEKIGUCHI KATSUHIKOKAZUSAWA SHINYAFUJII SHIGEYOSHISHINOHARA KAZUTARO
    • H02J13/00G01R19/00H02J3/00
    • Y04S10/527
    • PROBLEM TO BE SOLVED: To provide a power quality evaluation system capable of estimating the cause of harmonics. SOLUTION: The power quality evaluation system includes a harmonic component computing means, a database, and a degree of influence computing means. The harmonic component computing means computes the harmonic component of an electrical physical quantity, with respect to each of points of measurement based on the electrical physical quantity that includes at least either the current or the voltage measured at one or more points in a power system. The database stores the harmonic components of multiple harmonics generating devices that are assumed to generate the harmonics. The degree of influence computing means approximates each harmonic component computed by the harmonic component computing means by a total value obtained by adding a weighting factor to the harmonic components of the harmonics generating devices stored in the database, and the componentof influence computing means can thereby estimate the cause of a harmonics generating device that serves as a source of harmonics, based on the approximated weighting factor. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够估计谐波原因的电能质量评估系统。 解决方案:电力质量评估系统包括谐波分量计算装置,数据库和影响程度计算装置。 谐波分量计算装置基于包括在电力系统中的一个或多个点处测量的电流或电压中的至少一个的电物理量来计算相对于每个测量点的电物理量的谐波分量。 数据库存储假定产生谐波的多个谐波发生装置的谐波分量。 影响度计算装置将由谐波分量计算装置计算出的每个谐波分量近似为通过将加权因子与存储在数据库中的谐波发生装置的谐波分量相加而获得的总值近似,并且因此可以估计影响计算装置的分量 基于近似加权因子的谐波产生装置作为谐波源的原因。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Cooperation system of power system
    • 电力系统合作系统
    • JP2008061417A
    • 2008-03-13
    • JP2006236574
    • 2006-08-31
    • Toshiba Corp株式会社東芝
    • TAGUCHI YASUHIROYAMADA TOSHIHIROSUWA YASUHIROIINO MINORUTAKEI YOSHIHIROMOCHIZUKI TOSHIAKIKAZUSAWA SHINYA
    • H02J3/24H02J3/32H02J3/38
    • Y02E70/30Y02P80/14
    • PROBLEM TO BE SOLVED: To provide a cooperation system of power system having a function for isolating a sub-microgrid in safety by a simple algorithm even when isolating the sub-microgrid manually when power supply failure such as service interruption occurs on the trunk commercial system side. SOLUTION: The cooperation system of power system has a trunk power system 2, and a small scale power system 1 cooperating therewith. In the small scale power system 1, a plurality of sub-small scale power systems 5 each having a power load 27 and a power supply device 26 are interconnected by sub-interconnection line 6. A monitor control means 30 provided in each sub-small scale power system 5 monitors the magnitude of power flow of the sub-interconnection line 6, determines supply/demand unbalance in a corresponding sub-small scale power system 5 from the power flow of these sub-interconnection lines 6, and controls any one or both of the load volume of the power load 27 in the corresponding sub-small scale power system 5 and the power generation quantity of the power supply device 26 such that the supply/demand unbalance becomes zero as much as possible. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供具有通过简单算法在安全性上分离子微电网功能的电力系统的协作系统,即使当在诸如服务中断之类的电源故障时手动隔离子微电网时, 中继商业系统侧。 解决方案:电力系统配套系统有一个主干电力系统2,一个小型电力系统1与之配合。 在小型电力系统1中,分别具有电力负载27和电力供给装置26的多个小型电力系统5通过副互连线6互连。设置在每个小型电力系统1中的监视器控制装置30 大规模电力系统5监视子互连线路6的功率流量的大小,从这些子互连线路6的功率流量确定相应的小型电力系统5中的供应/需求不平衡,并且控制任何一个或 相应的小型电力系统5中的电力负载27的负载量和供电装置26的发电量都尽可能地使得供需不平衡成为零。 版权所有(C)2008,JPO&INPIT
    • 10. 发明专利
    • 樹脂モールド真空バルブ
    • 树脂模制真空阀
    • JP2014212009A
    • 2014-11-13
    • JP2013087172
    • 2013-04-18
    • 株式会社東芝Toshiba Corp
    • ASARI NAOKISATO JUNICHIKOMIYA GENTAGAYA OSAMUTAKEI YOSHIHIROOSHIMA TAKASHI
    • H01H33/662
    • H01H33/66
    • 【課題】外部シールドの湾曲部に残留空気が留まらないようにし、絶縁性能を向上させる。【解決手段】接離自在の一対の接点と、接点が収納された真空絶縁容器1と、真空絶縁容器1の開口部に封着された封着金具3と、封着金具3の周りに設けられるとともに、円板状の固定部11aと筒状の筒部11bと曲折した湾曲部11cとで構成された外部シールド11と、真空絶縁容器1、封着金具3、外部シールド11の外周に注型により設けられた絶縁層13と、湾曲部11cの内側に設けられるとともに、絶縁層13を注型する前に設けられた充填絶縁層20と、を備えたことを特徴とする。【選択図】図1
    • 要解决的问题:通过防止残留空气残留在外护罩的弯曲部分来提高绝缘性能。解决方案:树脂模制真空阀包括一对自由制动和断开触点,真空绝热容器1容纳触点 密封于真空绝热容器1的开口的密封配件3,设置在密封配件3周围的外部屏蔽件11,其由盘状固定部件11a,气缸11b和弯曲部分11c组成,绝缘层13 在真空绝热容器1的外周,通过铸造的密封配件3和外护罩11以及在浇铸绝缘层13之前设置在弯曲部分11c的内侧上的填充绝缘层20。