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    • 1. 发明专利
    • Insulation diagnosis apparatus
    • 绝缘诊断装置
    • JP2013113691A
    • 2013-06-10
    • JP2011259637
    • 2011-11-28
    • Toshiba Corp株式会社東芝
    • SATO JUNICHIKIMURA TATSUYATAKAHASHI MASAOTAGAYA OSAMU
    • G01R31/12H02B13/02H02B13/065
    • PROBLEM TO BE SOLVED: To provide an insulation diagnosis apparatus in which partial discharge occurring from a solid insulation device can be detected with high sensitivity.SOLUTION: In an insulation diagnosis apparatus, partial discharge of a solid insulation device provided with a ground layer in its outer periphery is detected. In the insulation diagnosis apparatus, a surface potential is detected by a plurality of detection electrodes in contact with a surface of the ground layer. A differential section is disposed in proximity with the detection electrodes and calculates a potential difference of the surface potentials detected from the detection electrodes. A transmission section transmits a signal outputted from the differential section, and a detection processing section detects partial discharge on the basis of the signal transmitted by the transmission section.
    • 解决的问题:提供一种能够以高灵敏度检测出从固体绝缘装置发生的局部放电的绝缘诊断装置。 解决方案:在绝缘诊断装置中,检测在其外周设置有接地层的固体绝缘装置的局部放电。 在绝缘诊断装置中,通过与接地层的表面接触的多个检测电极来检测表面电位。 差分部分设置在检测电极附近,并计算从检测电极检测的表面电位的电位差。 发送部发送从差分部输出的信号,检测处理部根据由发送部发送的信号来检测局部放电。 版权所有(C)2013,JPO&INPIT
    • 2. 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
    • 3. 发明专利
    • Mold vacuum valve
    • 模具真空阀
    • JP2011048998A
    • 2011-03-10
    • JP2009195817
    • 2009-08-26
    • Toshiba Corp株式会社東芝
    • SATO JUNICHISHIOIRI SATORUSAKAGUCHI OSAMUTAGAYA OSAMU
    • H01H33/66
    • PROBLEM TO BE SOLVED: To increase the adhesion force of an electric field relaxing shield to relax the electric field at a leading end. SOLUTION: A valve includes a fixing-side sealing fitting 2 and a movable-side sealing fitting 3 sealed to both end openings of a vacuum insulating container 1; a fixing-side contact 5 and a movable-side contact 6, which are contained in the vacuum insulating container 1 and freely brought into contact/out of contact with each other; a fixing-side electric field relaxing shield 20 provided to cover an outer peripheral end of the fixing-side sealing fitting 2; a movable-side electric field relaxing shield 21 provided to cover an outer peripheral end of the movable-side sealing fitting 3; and an insulating layer 12 formed on their outer peripheries. The electric field relaxing shields 20, 21 are respectively constituted of radially expanding radial direction parts 20a, 21a, axially extending axial direction parts 20b, 21b, and leading ends 20c, 21c. The surface roughnesses of the leading ends 20c, 21c are made finer than those of the radial direction parts 20a, 21a and the axial direction parts 20b, 21b. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了增加电场缓和屏蔽层的粘附力以使前端的电场松弛。 解决方案:阀包括密封到真空绝热容器1的两个端部开口的固定侧密封配件2和可动侧密封配件3; 固定侧触点5和可动侧触点6,其被容纳在真空绝热容器1中并自由地彼此接触/脱离接触; 设置成覆盖固定侧密封配件2的外周端的固定侧电场缓和护罩20; 设置成覆盖可动侧密封配件3的外周端部的可动侧电场缓和护罩21; 以及形成在其外周的绝缘层12。 电场缓和护罩20,21分别由径向扩张径向部分20a,21a,轴向延伸的轴向部分20b,21b和前端20c,21c构成。 前端20c,21c的表面粗糙度比径向部分20a,21a和轴向部分20b,21b的表面粗糙度更细。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Mold vacuum valve
    • 模具真空阀
    • JP2011048997A
    • 2011-03-10
    • JP2009195816
    • 2009-08-26
    • Toshiba Corp株式会社東芝
    • SATO JUNICHISHIOIRI SATORUSAKAGUCHI OSAMUTAGAYA OSAMU
    • H01H33/66
    • PROBLEM TO BE SOLVED: To disperse stress inside an insulating layer formed between an electric field relaxing shield and a vacuum insulating container to suppress generation of insulating defects. SOLUTION: A valve includes a fixing-side sealing fitting 2 and a movable-side sealing fitting 3 sealed to both end openings in the vacuum insulating container 1; a fixing-side contact 5 and a movable-side contact 6, which are contained in the vacuum insulating container 1 and freely brought into contact/out of contact with each other; a fixing-side electric field relaxing shield 20, provided to cover an outer peripheral end of the fixing-side sealing fitting 2; a movable-side electric field relaxing shield 21 provided to cover an outer peripheral end of the movable-side sealing fitting 3; and the insulating layer 12, formed on the outer peripheries of the vacuum container 1 and the electric field relaxing shields 20, 21. The electric field relaxing shields 20, 21 are respectively constituted of radially expanding fixing parts 20a, 21a, and axially extending relaxing parts 20b, 21b, and inner peripheral surfaces of the relaxing parts 20b, 21b are provided with recessed curved surfaces. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:将应力分散在形成在电场缓和屏蔽和真空绝热容器之间的绝缘层内,以抑制绝缘缺陷的产生。 解决方案:阀包括密封到真空绝热容器1中的两个端部开口的固定侧密封配件2和可动侧密封配件3; 固定侧触点5和可动侧触点6,其被容纳在真空绝热容器1中并自由地彼此接触/脱离接触; 固定侧电场缓和护罩20,设置成覆盖固定侧密封配件2的外周端; 设置成覆盖可动侧密封配件3的外周端部的可动侧电场缓和护罩21; 以及绝缘层12,其形成在真空容器1的外周和电场缓和护罩20,21之间。电场缓和护罩20,21分别由径向扩张的固定部20a,21a构成,并且轴向延伸放松 部件20b,21b和松弛部分20b,21b的内周面设有凹入的曲面。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Connection apparatus for electric apparatus
    • 电气设备连接装置
    • JP2010273406A
    • 2010-12-02
    • JP2009121217
    • 2009-05-19
    • Toshiba Corp株式会社東芝
    • TAGAYA OSAMUSAKAGUCHI OSAMUSATO JUNICHIMIYAUCHI YASUHISAYAMAZAKI KENICHI
    • H02B13/02H01H33/66H01R31/06H02B1/20H02G5/06
    • H02B13/005
    • PROBLEM TO BE SOLVED: To provide a connection apparatus having joints formed in the same shape, to interconnect electric apparatuses, thereby facilitating molding work. SOLUTION: The connection apparatus includes: a first electric apparatus part 1a which is provided with a first recessed interface joint 33 around a first center conductor 30, a second electric apparatus part 1b which is provided with a second recessed interface joint 12 around a second center conductor 9 connected and fixed to the first electric apparatus part 1a, and a close contact part 1c which is provided with a flexible insulator 39 with both ends projected to come close contact with the other's interface joints 33 and 12 around a third center conductor 38 which connects the first center conductor 30 with the second center conductor 9. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供具有形成为相同形状的接头的连接装置,以互连电气设备,从而有利于成型工作。

      解决方案:连接装置包括:第一电气设备部分1a,其设置有围绕第一中心导体30的第一凹入界面接头33;第二电气设备部分1b,其设置有围绕 连接固定在第一电气设备部分1a上的第二中心导体9和设置有柔性绝缘体39的紧密接触部分1c,其两端被伸出以与另一个接口接头33和12围绕第三中心紧密接触 导体38,其连接第一中心导体30与第二中心导体9.版权所有(C)2011,JPO&INPIT

    • 6. 发明专利
    • Vacuum valve
    • 真空阀
    • JP2010177122A
    • 2010-08-12
    • JP2009020384
    • 2009-01-30
    • Toshiba Corp株式会社東芝
    • ISHII AKIRASATO JUNICHISHIOIRI SATORUASARI NAOKISAKAGUCHI OSAMUTAGAYA OSAMU
    • H01H33/66H05F1/02
    • PROBLEM TO BE SOLVED: To increase creeping insulation characteristics at an internal surface of a vacuum insulating container to which a metal vapor-generated product adheres.
      SOLUTION: The vacuum valve includes: a tubular vacuum insulating container 1 made of ceramic; sealing hardware 2, 3 each sealed to openings of both ends of the vacuum insulating container 1; and a pair of detachable contacts 5, 6 housed in the vacuum insulating container 1, wherein at least a circular uneven portion 9 is provided on an internal surface of the vacuum insulating container 1 facing the outer periphery of the detached pair of contacts 5, 6.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:增加金属蒸汽产生产品附着在真空绝热容器的内表面上的蠕变绝缘特性。

      解决方案:真空阀包括:由陶瓷制成的管状真空绝热容器1; 密封件2,3密封到真空绝热容器1的两端的开口; 以及容纳在真空绝热容器1中的一对可拆卸触点5,6,其中至少一个圆形凹凸部分9设置在真空绝热容器1的与分离的一对触点5,6的外周面对置的内表面上 。版权所有(C)2010,JPO&INPIT

    • 7. 发明专利
    • Vacuum bulb
    • 真空桶
    • JP2010073459A
    • 2010-04-02
    • JP2008239049
    • 2008-09-18
    • Toshiba Corp株式会社東芝
    • SATO JUNICHIISHII AKIRASHIOIRI SATORUASARI NAOKISAKAGUCHI OSAMUTAGAYA OSAMU
    • H01H33/66
    • PROBLEM TO BE SOLVED: To provide a vacuum bulb using a vacuum insulated container which hardly charges and of which the surface dielectric strength can be improved.
      SOLUTION: The vacuum bulb is provided with a vacuum insulated container 1 made of ceramic, sealing fittings 2, 3 which are respectively sealed at the both end apertures of the vacuum insulated container 1, a pair of contactable and separable contacts 5, 6 housed in the vacuum insulated container 1, and first and second resistance layers 10. 11 which are installed on the inner face of the vacuum insulated container 1 and have resistivity smaller than ceramic. These resistance layers 10, 11 are opposed to an arc-shield 9 end constituting the vacuum bulb, and the thickness of the second resistance layer 11 which is a portion where electric field intensity increases is thicker than that of the first resistance layer 10.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种使用几乎不充电并且其表面介电强度可以提高的真空绝热容器的真空室。

      解决方案:真空灯泡设置有真空绝热容器1,其由陶瓷密封配件2,3制成,密封配件2,3分别密封在真空绝热容器1的两端孔处,一对可接触和可分离的触点5, 6,以及安装在真空绝热容器1的内表面上并具有小于陶瓷电阻率的第一和第二电阻层10. 11。 这些电阻层10,11与构成真空管的防弧罩9的端部相对,作为电场强度增加的部分的第二电阻层11的厚度比第一电阻层10的厚度厚。 P>版权所有(C)2010,JPO&INPIT

    • 8. 发明专利
    • Solid insulation switch gear
    • 固体绝缘开关齿轮
    • JP2010041859A
    • 2010-02-18
    • JP2008203294
    • 2008-08-06
    • Toshiba Corp株式会社東芝
    • TAGAYA OSAMUSAKAGUCHI OSAMUSATO JUNICHI
    • H02B13/02H01H33/66H02B1/20
    • PROBLEM TO BE SOLVED: To provide a main circuit connection conductor of which connection operation to a switch is readily carried out for a reduced depth size. SOLUTION: The solid insulation switch gear comprises a power supply system, wherein switches 7, 9 and 15, molded with an insulating material are connected to a main circuit connection conductor 30 molded with a similar insulating material. In the main circuit connecting conductor 30, a power-supply side conductor 31 connected to the switches 7, 9 and 15 and a load-side conductor 32 connected to the switches 7, 9 and 15 are molded integrally, and a grounding plate 35 is embedded, with a predetermined insulation distance between the power-supply side conductor 31 (32, 33) and the load-side conductor 32 (31, 33). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种主电路连接导体,其中容易进行与开关的连接操作以减小深度尺寸。 固体绝缘开关装置包括电源系统,其中用绝缘材料模制的开关7,9和15连接到用相似绝缘材料模制的主电路连接导体30。 在主电路连接导体30中,与开关7,9,15连接的电源侧导体31和与开关7,9和15连接的负载侧导体32一体成型,接地板35为 在电源侧导体31(32,33)和负载侧导体32(31,33)之间以预定的绝缘距离嵌入。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Insulating structure material
    • 绝缘结构材料
    • JP2009181890A
    • 2009-08-13
    • JP2008021490
    • 2008-01-31
    • Toshiba Corp株式会社東芝
    • KOMIYA GENKINOSHITA SUSUMUHAYAMI TOKUSUKEMURAYAMA KIYOKOSATO JUNICHIMATSUOKA MIYOSHI
    • H01B3/30C08L1/08C08L101/00C08L101/16
    • PROBLEM TO BE SOLVED: To provide an insulating structure material which contains an organic filler derived from a wooden resource which has an excellent insulating performance even in high humidity and has a wide application range.
      SOLUTION: The insulating structure material is filled up with an organic filler composed of a cellulose derivative and a hemicellulose derivative which can be obtained in a process in which a wooden resource is subjected to a critical water or subcritical water treatment and then is immersed at least in one or more solvents out of water, methanol, ethanol, propanol, acetone, tetrahydrofuran, dimethylsulfoxide, dimetylformamide, and dimethylacetamide and is dried.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种绝缘结构材料,其含有源自木材的有机填料,即使在高湿度下也具有优异的绝缘性能并且具有广泛的应用范围。 解决方案:绝缘结构材料填充有由纤维素衍生物和半纤维素衍生物组成的有机填料,其可以在木材资源经受临界水或亚临界水处理的过程中获得,然后是 至少在一种或多种溶剂中浸出水,甲醇,乙醇,丙醇,丙酮,四氢呋喃,二甲基亚砜,二甲基甲酰胺和二甲基乙酰胺,并干燥。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Vacuum bulb
    • 真空桶
    • JP2009093922A
    • 2009-04-30
    • JP2007263404
    • 2007-10-09
    • Toshiba Corp株式会社東芝
    • NIWA YOSHIMITSUSATO JUNICHISASAGE KOSUKE
    • H01H33/66
    • PROBLEM TO BE SOLVED: To improve potential of an arc shield of a vacuum bulb which is molded by an insulating material. SOLUTION: The vacuum bulb is provided with an arc shield container 2 to surround a pair of contacts 6, 7 in free contact and separation, vacuum insulating containers 1a, 1b of which middle portions are connected to the arc shield container 2, a fixed side sealing fitting 3 sealed at the aperture of one end of the vacuum insulating containers 1a, 1b, a movable side sealing fitting 4 sealed at the aperture of the other end of the vacuum insulating containers 1a, 1b, an insulation layer 13 installed at the periphery of these, a fixed side potential adjustment shield 11 which is connected and fixed to the fixed side sealing fitting 3 and of which end part is installed so as to face the arc shield container 2 and is embedded in the insulation layer 13, a movable side potential adjustment shield 12 which is connected and fixed to the movable side sealing fitting 4 and of which the end part is installed so as to face the arc shield container 2 and embedded in the insulation layer 13, and a grounding layer 14 which is installed at the outer periphery of the insulation layer 13. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提高由绝缘材料模制的真空灯泡的电弧屏蔽的电位。 解决方案:真空灯泡设置有弧形屏蔽容器2,以围绕自由接触和分离的一对触点6,7,其中间部分连接到电弧屏蔽容器2的真空绝热容器1a,1b, 密封在真空绝热容器1a,1b的一端的开口处的固定侧密封配件3,密封在真空绝热容器1a,1b的另一端的孔的可动侧密封配件4,安装在绝热层13上的绝缘层13 在其周围设有固定侧电位调节屏11,其固定在固定侧密封配件3上,其端部安装成与电弧屏蔽容器2相对并嵌入绝缘层13中, 可动侧电位调节屏12,连接固定在可动侧密封配件4上,其端部安装成与电弧屏蔽容器2相对并嵌入在绝缘层13中, 接地层14,其安装在绝缘层13的外周。版权所有(C)2009,JPO&INPIT