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    • 11. 发明专利
    • Optical vt apparatus
    • 光学VT装置
    • JP2008070265A
    • 2008-03-27
    • JP2006249944
    • 2006-09-14
    • Toshiba Corp株式会社東芝
    • SATO JUNICHI
    • G01R15/24
    • PROBLEM TO BE SOLVED: To reduce the number of components in an optical VT apparatus for measuring a voltage at a main circuit in an electrical device, and reduce a size. SOLUTION: An apparatus includes: an electro-optical element 2 polarized by an electric field, and measuring the voltage; an optical cable 4 connected to the electro-optical element 2 at one end; an electrode 5 disposed so as to be separated from the electro-optical element 2, and connected to a central conductor 7 connected to a main circuit in the electrical device; an insulating layer 3 formed so as to be integrated with the electro-optical element 2, the optical cable 4 and the electrode 5 by molding, and having a first interfacial connection 3b closely contacting a second interfacial connection 8b of the electrical device; and a grounding layer 6 disposed on the periphery of the insulating layer 3. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了减少用于测量电气设备中的主电路的电压的光VT装置中的部件的数量,并且减小尺寸。 解决方案:一种装置,包括:通过电场极化的电光元件2,并测量电压; 在一端连接到电光元件2的光缆4; 设置成与电光元件2分离的电极5,并且与连接到电气设备中的主电路的中心导体7连接; 形成为与光电元件2,光缆4和电极5一体成型的绝缘层3,并且具有与电气设备的第二界面连接8b紧密接触的第一界面连接3b; 以及设置在绝缘层3的周围的接地层6.版权所有(C)2008,JPO&INPIT
    • 12. 发明专利
    • Vacuum switching device
    • 真空开关装置
    • JP2007134231A
    • 2007-05-31
    • JP2005327807
    • 2005-11-11
    • Toshiba Corp株式会社東芝
    • SHIOIRI SATORUSASAGE KOSUKESATO JUNICHI
    • H01H33/66
    • H01H33/022H01H33/6662H01H2033/024H01H2033/6665
    • PROBLEM TO BE SOLVED: To obtain a vacuum switching device wherein insulation is not easily deteriorated while cut-off characteristics are enhanced.
      SOLUTION: The vacuum switching device includes a vacuum insulated vessel 2 in which a plurality of independent opening holes 3 are provided, a stationary side sealing fitting 4 sealed to each one end of the opening hole 3, a stationary side current carrying shaft 6 penetratingly fixed to each stationary side sealing fitting 4, a stationary side contact 7 combined with each end of the stationary side current carrying shaft 6, a movable side sealing fitting 5 sealed to each of the other end of the opening hole 3, a movable side current carrying shaft 9 airtightly and movably penetrating each movable side sealing metal fitting 5, a movable side contact 8 combined with each end of the movable side current carrying shaft 9, and an operating mechanism 18 connected to each movable side current carrying shaft 9.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:为了获得绝缘不容易劣化并且截止特性增强的真空开关装置。 解决方案:真空开关装置包括:真空绝热容器2,其中设置有多个独立的开孔3;固定侧密封配件4,其密封在开孔3的每一端;固定侧载流轴 6固定在每个固定侧密封配件4上,固定侧触点7与固定侧载流轴6的每一端相结合,一个密封到开孔3的另一端的活动侧密封配件5, 侧面电流承载轴9,气密地且可移动地穿过每个可移动侧密封金属配件5,与可动侧载流轴9的每个端部组合的可动侧触点8以及连接到每个可移动侧载流轴9的操作机构18。 版权所有(C)2007,JPO&INPIT
    • 13. 发明专利
    • Switching device
    • 切换设备
    • JP2006179290A
    • 2006-07-06
    • JP2004370854
    • 2004-12-22
    • Toshiba Corp株式会社東芝
    • SHIOIRI SATORUSATO JUNICHIMAKISHIMA SATOSHIKINOSHITA SUSUMUSHIMIZU TOSHIOSAKAGUCHI OSAMUMIYAGAWA MASARUYOKOKURA KUNIO
    • H01H33/64H01H33/56
    • H01H33/24H01H2033/566
    • PROBLEM TO BE SOLVED: To improve voltage-withstanding characteristics between a pair of contacts of a switching device.
      SOLUTION: The switching device is provided with an insulating vessel 2 with insulating gas 15 sealed in, a fixed side conductive shaft 5 airtightly fixed to one of the openings of the insulating vessel 2, a fixed side contact 4 fitted at an end part of the fixed side conductive shaft in the insulating vessel 2, a movable side contact 6 fitted in free attachment and detachment to and from the fixed side contact 4, a movable side conductive shaft 7 moving freely in airtightness along the other opening of the insulating vessel 2, and an operating mechanism 17 coupled with the movable conductive shaft 7. The insulating vessel 2 is to be a multilayered insulating layer, with a specific inductive capacity getting larger toward an inner layer.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提高开关器件的一对触点之间的耐压特性。 解决方案:开关装置设有绝缘容器2,绝缘容器2具有密封的绝缘气体15,密封地固定到绝缘容器2的一个开口的固定侧导电轴5,固定侧接触件4安装在端部 绝缘容器2中的固定侧导电轴的一部分,与固定侧接触件4自由安装和拆卸配合的可动侧接触件6,沿着绝缘容器2的另一个开口的气密性自由移动的可动侧导电轴7 容器2以及与可动导电轴7连接的操作机构17构成。绝缘容器2为多层绝缘层,其电感性容量朝向内层变大。 版权所有(C)2006,JPO&NCIPI
    • 14. 发明专利
    • Switch
    • 开关
    • JP2005339918A
    • 2005-12-08
    • JP2004155404
    • 2004-05-26
    • Toshiba Corp株式会社東芝
    • SHIOIRI SATORUSATO JUNICHISAKAGUCHI OSAMUMIYAGAWA MASARU
    • H01H33/64
    • PROBLEM TO BE SOLVED: To improve a withstand voltage characteristic by using an insulating gas harmonized with environment. SOLUTION: This switch is characterized by comprising: an insulating vessel 2 filled with the insulating gas 14; an upper conductor 3 fixed to one side of the insulating vessel 2; a fixed-side current-carrying shaft 5 fixed to the upper conductor 3 and provided with a fixed-side contact 4; a lower conductor 8 fixed to the other side of the insulating vessel 2; a movable-side current-carrying shaft 7 provided with a movable-side contact 6 by piercing the lower conductor 8; an operation mechanism 16 connected to the movable-side current-carrying shaft 7; a first shielded electrode 12 embedded in the insulating vessel 2 so as to surround the fixed-side contact 4; and a second shielded electrode 13 embedded in the insulating vessel 2 so as to surround the movable-side contact 6. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过使用与环境协调的绝缘气体来提高耐电压特性。 解决方案:该开关的特征在于包括:填充有绝缘气体14的绝缘容器2; 固定在绝缘容器2一侧的上导体3; 固定侧载流轴5,其固定在上导体3上并具有固定侧接点4; 固定在绝缘容器2的另一侧的下导体8; 可动侧载流轴7,其通过刺穿下导体8设置有可动侧接点6; 连接到可动侧载流轴7的操作机构16; 第一屏蔽电极12,其以包围固定侧触点4的方式嵌入绝缘容器2; 以及嵌入在绝缘容器2中以围绕可动侧触点6的第二屏蔽电极13.版权所有(C)2006,JPO&NCIPI
    • 17. 发明专利
    • Switchgear
    • JP2004274961A
    • 2004-09-30
    • JP2003065944
    • 2003-03-12
    • Toshiba Corp株式会社東芝
    • SATO JUNICHISAKAGUCHI OSAMUMIYAGAWA MASARUHORIKIRI KAZUHITOOGUSHI TAKESHIKAWASHIMA NOBUO
    • H02B13/02
    • PROBLEM TO BE SOLVED: To provide switchgear that makes it possible to improve a contact state of each grounding layer provided on molded electrical devices. SOLUTION: This switchgear is made up of electrical devices 3, 7 of element units that are connected to each other and that constitute a power supply system, flanges 3a, 7a provided on each of end surfaces facing each other of the electrical devices 3, 7, and flanges connecting members 19, 20 that connect between the flanges 3a, 7a. Interface connecting surfaces 15a, 17a are formed by shaping one flange 3a side into a projecting conical surface, and by shaping the other flange 7a side into a recessed conical surface. Furthermore, smooth surfaces 15b, 17b are each formed that continue to the outside circumference of the flanges. The flange connecting members 19, 20 are positioned at the smooth surfaces 15b, 17b and tightened to connect between both flanges 3a, 7a. Grounding layers 31, 32 are provided on the outside circumferential surface of insulating layers 15, 17 up to regions including the smooth surfaces 15b, 17b of the flanges 3a, 7a. COPYRIGHT: (C)2004,JPO&NCIPI
    • 18. 发明专利
    • Vacuum switching device
    • 真空开关装置
    • JP2003281981A
    • 2003-10-03
    • JP2002080070
    • 2002-03-22
    • Toshiba Corp株式会社東芝
    • SATO JUNICHISAKAGUCHI OSAMUYOSHIDA TETSUOMIYAGAWA MASARUSHIOIRI SATORUOSHIMA IWAOTAGAYA OSAMU
    • H01H33/66
    • PROBLEM TO BE SOLVED: To provide a vacuum switching device which suppresses an electric field intensity and whose entire size is small. SOLUTION: A vacuum switching device 3 comprises a vacuum valve 9 provided with a pair of electrodes for free contacting/separating, an insulation operating rod 31 whose embedded electrode 32a at one end is connected to an external movable electrification axis 18 outside a vessel of the vacuum valve 9 while an embedded electrode 32b at the other end is connected to an operation mechanism 21, a tubular insulator 33 provided with a first tubular section 33a that encloses the vacuum valve 9, and a second tubular section 33b that encloses the insulation operating rod 31, and a tubular shield 34 which is electrically connected to the external movable electrification axis 18, inside the second tubular section 33b, and extends toward the operation mechanism side to enclose the insulation operating rod 31. The tip of the shield 34 is arranged from the tip of the embedded electrode 32a to the intermediate position between the embedded electrodes 32a and 32b, at closing and opening of the vacuum valve 9. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供抑制电场强度并且其整体尺寸小的真空开关装置。 解决方案:真空开关装置3包括设置有一对电极用于自由接触/分离的真空阀9,绝缘操作杆31的一端的嵌入式电极32a连接到外部可移动带电轴线18外部 真空阀9的容器,而另一端的嵌入式电极32b与操作机构21连接,管状绝缘体33设置有包围真空阀9的第一管状部分33a和封闭真空阀9的第二管状部分33b 绝缘操作杆31和与外部活动带电轴线18电连接的第二管状部分33b内的管状屏蔽件34,并且朝向操作机构侧延伸以封闭绝缘操作杆31.屏蔽件34的尖端 在封闭和打开真空时从嵌入电极32a的尖端布置到嵌入电极32a和32b之间的中间位置 um阀9.版权所有(C)2004,JPO