公开(公告)号：JP2015008572A

公开(公告)日：2015-01-15

申请号：JP2013132410

申请日：2013-06-25

Applicant: 株式会社東芝 ,  Toshiba Corp

Inventor： SHIOIRI SATORU ,  FUJII YUKI ,  SATO JUNICHI ,  KUBOTA NOBUTAKA

IPC: H02B13/02 ,  H01H33/662 ,  H02B13/055

Abstract: 【課題】真空バルブを収納したタンク内に環境に適する絶縁ガスを封入し、架空線からの引き込みを行う。【解決手段】タンク1と、タンク1内に設けられた真空バルブ2と、真空バルブ2の外周に設けられるとともに、固定側界面接続部10および可動側界面接続部11を有する絶縁層9と、絶縁層9の外周に設けられた接地層15と、固定側界面接続部10に接続された界面接続部20を有する固定側ブッシングと、固定側ブッシングを収納する固定側がい管18と、可動側界面接続部11に接続された界面接続部26を有する可動側ブッシングと、可動側ブッシングを収納する可動側がい管24と、タンク1に略大気圧で封入された絶縁ガスと、を備えたことを特徴とする。【選択図】図1

Abstract translation: 要解决的问题：提供一种储罐式真空断路器，其具有储存在能够从架空线引导的环境友好的绝缘气体密封的罐中的真空阀。解决方案：罐式真空断路器包括： 罐1; 设置在罐1中的真空阀2; 绝缘层9，其设置在真空阀2的周围，并且具有固定侧接口连接部10和可动侧接口连接部11; 形成在绝缘层9的周向上的接地层15; 固定侧衬套，其具有连接到固定侧接口连接部10的接口连接部20; 存储固定侧衬套的固定侧瓷管18; 可动侧衬套，其具有连接到可动侧接口连接部11的接口连接部26; 存储可动侧衬套的可动侧瓷管24; 以及在大致环境压力下密封在罐1中的绝缘气体。

公开(公告)号：JP2014017220A

公开(公告)日：2014-01-30

申请号：JP2012155993

申请日：2012-07-11

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ASARI NAOKI ,  SHIOIRI SATORU ,  SOMEI HIROMICHI ,  TAKEI YOSHIHIRO ,  OTAKE SHIRO

IPC: H01H33/662 ,  H02B13/02

Abstract: PROBLEM TO BE SOLVED: To enhance partial discharge characteristics and creeping voltage characteristics, by suppressing the charging of a vacuum insulation container.SOLUTION: The resin mold vacuum valve comprise: a vacuum insulation container 1 made of ceramic; a stationary side sealing fitting 2 sealing the openings at both ends thereof; a movable side sealing fitting 3; a stationary side electrification shaft 4 penetrating the stationary side sealing fitting 2 and fixed thereto; a stationary side contact 5 bonded to the stationary side electrification shaft 4; a movable side contact 6 coming into contact with the stationary side contact 5 and separating therefrom freely; a movable side electrification shaft 7 to which the movable side contact 6 is bonded; an arc shield 9 surrounding the stationary side contact 5 and movable side contact 6; and an insulation layer 14 provided on the outer periphery of the vacuum insulation container 1. At the intermediate part of the inner surface of the vacuum insulation container 1 between the stationary side sealing fitting 2 and the stationary side end of the arc shield 9, and between the movable side sealing fitting 3 and the movable side end of the arc shield 9, protrusions 10 and 12 protruding inward are provided, and resistor layers 11 and 13 of lower resistance than the ceramic are provided on both side faces of the protrusions 10 and 12.

Abstract translation: 要解决的问题：通过抑制真空绝热容器的充电来增强局部放电特性和蠕变电压特性。解决方案：树脂模具真空阀包括：由陶瓷制成的真空绝热容器1; 固定侧密封配件2，在其两端密封开口; 可动侧密封配件3; 固定侧带电轴4穿透固定侧密封配件2并固定在其上; 固定侧接触件5，其固定在固定侧带电轴4上; 可动侧触点6与固定侧触点5接触并自由分离; 可动侧接触件6接合的可动侧带电轴7; 围绕固定侧触点5和可动侧触点6的弧形屏蔽9; 以及设置在真空绝热容器1的外周上的绝缘层14.在静电侧密封配件2和电弧屏蔽9的固定侧端之间的真空绝热容器1的内表面的中间部分，以及 在可动侧密封配件3和电弧罩9的可动侧端部之间设置有向内突出的突起10和12，并且在突出部10的两个侧面上设置比陶瓷电阻低的电阻层11和13 12。

公开(公告)号：JP2013093276A

公开(公告)日：2013-05-16

申请号：JP2011235892

申请日：2011-10-27

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： SHIOIRI SATORU ,  SATO JUNICHI ,  IMAI TAKAHIRO ,  KUBOTA NOBUTAKA

IPC: H01H33/662

Abstract: PROBLEM TO BE SOLVED: To provide a vacuum circuit breaker which dramatically improves external dielectric strength of a vacuum valve.SOLUTION: A vacuum circuit breaker includes: a vacuum valve 3 having a pair of contacts 2 which contact with or separate from each other; an insulation layer 4 provided by molding an insulation material, such as an epoxy resin, around the vacuum valve 3; a first polymer outer sheath 9 provided around the insulation layer 4 and formed by rubber; an insulative operation rod 10 connecting with a movable shaft 6 of the vacuum valve 3 in the axial direction of the movable shaft 6; a first FRP 11 which houses the insulative operation rod 10 and couples and fixes to the insulation layer 4; and a second polymer outer sheath 15 provided around the first FRP 11 and formed by rubber.

Abstract translation: 要解决的问题：提供一种真空断路器，其显着提高真空阀的外部介电强度。 解决方案：真空断路器包括：真空阀3，其具有与彼此接触或分离的一对触点2; 通过在真空阀3周围模制绝缘材料（例如环氧树脂）而提供的绝缘层4; 设置在绝缘层4周围并由橡胶形成的第一聚合物外护套9; 与可动轴6的轴向的真空阀3的可动轴6连接的绝缘操作杆10; 第一FRP 11，其容纳绝缘操作杆10并且将其固定到绝缘层4上; 以及设置在第一FRP 11周围并由橡胶形成的第二聚合物外护套15。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012220209A

公开(公告)日：2012-11-12

申请号：JP2011082949

申请日：2011-04-04

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： KIMURA TATSUYA ,  MATSUI TERUHISA ,  TAKAHASHI MASAO ,  SAKAGUCHI WATARU ,  SHIOIRI SATORU ,  KUSANO TAKASHI

IPC: G01R31/12

Abstract: PROBLEM TO BE SOLVED: To provide a partial discharge detection device and a partial discharge detection method which can detect presence or absence of partial discharge in an insulator of an electrical device, as described in an embodiment of the present invention.SOLUTION: An embodiment of the present invention relates to a partial discharge detection device for detecting partial discharge in an electrical device including: a conductor to which a voltage is applied when energized; an insulator which covers the conductor; and a ground layer provided on a surface of the insulator. Further, the partial discharge detection device includes: an electrode, provided on the ground layer, for detecting a surface potential; a reference electrode, provided on the ground layer, for detecting a surface potential; subtraction means for performing subtraction between the surface potential detected by the reference electrode and the surface potential detected by the electrode, so as to calculate a surface potential difference; and determination means for determining, based on the surface potential difference calculated by the subtraction means, whether or not partial discharge occurs in the electrical device.

Abstract translation: 要解决的问题：如本发明的实施例所述，提供可以检测电气设备的绝缘体中的局部放电的有无的局部放电检测装置和局部放电检测方法。 解决方案：本发明的实施例涉及一种用于检测电气设备中的局部放电的局部放电检测装置，包括：通电时施加电压的导体; 覆盖导体的绝缘体; 以及设置在绝缘体的表面上的接地层。 此外，局部放电检测装置包括：设置在接地层上的用于检测表面电位的电极; 设置在接地层上的用于检测表面电位的参考电极; 减法装置，用于执行由参考电极检测的表面电位与由电极检测的表面电位之间的减法，以便计算表面电位差; 以及确定装置，用于基于由减法装置计算的表面电位差来确定在电气装置中是否发生局部放电。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012069300A

公开(公告)日：2012-04-05

申请号：JP2010211411

申请日：2010-09-21

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： SHIOIRI SATORU ,  SATO JUNICHI ,  ASARI NAOKI ,  KUBOTA NOBUTAKA

IPC: H01H33/18 ,  H01H33/56 ,  H01H33/64 ,  H02B13/02

Abstract: PROBLEM TO BE SOLVED: To encapsulate environmentally-friendly insulation gas and improve cutoff characteristics without increasing an opening speed.SOLUTION: A switchgear comprises: a cylindrical insulation vessel 2 in which environmentally-compatible insulation gas 17 is encapsulated; an upper conductor 3 fixed on one end opening of the insulation vessel 2; a fixed-side conductive shaft 5 fixed on the upper conductor 3; a contact piece 6 fixed on an end of the fixed-side conductive shaft 5; a movable-side conductive shaft 8 which moves closer to or away from the contact piece 6; a lower conductor 4 through which the movable-side conductive shaft 8 is movably inserted and which is fixed on the other end opening of the insulation vessel 2; and an operation mechanism 19 coupled to the movable-side conductive shaft 8 outside of the insulation vessel 2. Permanent magnets 7 and 9 are provided on at least one of the fixed-side conductive shaft 5 and the movable-side conductive shaft 8.

Abstract translation: 要解决的问题：在不增加打开速度的情况下，封装环保绝缘气体并改善截止特性。 解决方案：开关装置包括：圆柱形绝缘容器2，其中环境相容的绝缘气体17被封装在其中; 固定在隔热容器2的一端开口上的上导体3; 固定在上导体3上的固定侧导电轴5; 固定在固定侧导电轴5的端部的接触片6; 靠近或远离接触片6移动的可动侧导电轴8; 可动侧导电轴8可移动地插入并固定在绝热容器2的另一端开口的下导体4; 以及与绝缘容器2外侧的可动侧导电轴8连接的操作机构19.固定侧导电轴5和可动侧导电轴8中的至少一个设置有永久磁铁7,9。 P>版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011060532A

公开(公告)日：2011-03-24

申请号：JP2009207806

申请日：2009-09-09

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： SATO JUNICHI ,  SHIOIRI SATORU ,  SAKAGUCHI OSAMU ,  TAGAYA OSAMU

IPC: H01H33/66

Abstract: PROBLEM TO BE SOLVED: To promote to release fields at a sealing fitting end an a vacuum insulation container end and to release a stress in an insulating layer. SOLUTION: The valve includes a fixed sealing fitting 2 and a movable sealing fitting 3 sealed to both end openings in the vacuum insulation container 1, a pair of detachable contacts 5, 6 contained in the vacuum insulation container 1, a fixed field releasing ring 20 disposed to cover an outer peripheral end of the fixed sealing fitting 2, a movable field releasing ring 21 disposed to cover an outer peripheral end of the movable sealing fitting 3, and the insulating layer 12 molded on outer peripheries of the vacuum insulation container 1 and the field releasing rings 20, 21. The field releasing rings 20, 21 are spiral and the wire diameters thereof are two or more times curvature radii of the ends of the sealing fittings 2, 3 and a distance between wires is shorter than the wire diameter. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：为了促进在密封配合端释放真空绝热容器端部的位置并释放绝缘层中的应力。 解决方案：阀包括固定密封配件2和密封到真空绝热容器1中的两个端部开口的可移动密封配件3，一个包含在真空绝热容器1中的一对可拆卸触点5,6，固定场 设置为覆盖固定密封配件2的外周端的释放环20，设置成覆盖可动密封配件3的外周端的可动场释放环21和在真空绝热体的外周上模制的绝缘层12 容器1和场释放环20,21。场释放环20,21是螺旋形的，线的直径是密封配件2,3的端部的曲率半径的两倍或更多倍，并且电线之间的距离短于 线径。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011040302A

公开(公告)日：2011-02-24

申请号：JP2009187458

申请日：2009-08-12

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： SHIOIRI SATORU ,  SATO JUNICHI ,  KUBOTA NOBUTAKA

IPC: H01H31/32 ,  H01H33/66 ,  H02B13/075

Abstract: PROBLEM TO BE SOLVED: To provide a grounding switching device having the responsibility of short-circuit input, while suppressing potential sharing between vacuum contacts. SOLUTION: The grounding switching device includes a fixed side vacuum contact 2; a movable side vacuum contact 3 freely engaging therewith; a movable connection movable shaft 10 connected to the movable-side vacuum contact 3; an opening spring 15 provided on the outer periphery of the connection movable shaft 10 and energized, to open a circuit between the fixed side vacuum contact and the movable side vacuum contact; a fist air circuit 11 fixed to the end of the connection movable shaft 10; a second air contact 12 freely engaging with the first air contact 11; an operation shaft 13 connected to the second air contact 12 and movable with grounding potential; a vacuum-side insulating layer 8a, provided around the fixed side vacuum contact 2 and the movable side vacuum contact 3; and an air-side insulating layer 8b, provided around the opening spring 15 and the first and second air contacts 11, 12. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种具有短路输入责任的接地开关装置，同时抑制真空触点之间的电位共享。

解决方案：接地开关装置包括固定侧真空接触件2; 与其自由接合的可动侧真空接触件3; 连接到可动侧真空接点3的可动连接可动轴10; 设置在连接可动轴10的外周并通电的打开弹簧15，以打开固定侧真空接触件和可动侧真空接触件之间的电路; 固定在连接可动轴10的端部的第一空气回路11; 与第一空气接触件11自由接合的第二空气接触件12; 连接到第二空气接触件12并可接地电位移动的操作轴13; 设置在固定侧真空接触件2和可动侧真空接触件3周围的真空侧绝缘层8a; 以及设置在开启弹簧15周围的空气侧绝缘层8b以及第一和第二空气接触件11,12。版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010118293A

公开(公告)日：2010-05-27

申请号：JP2008292025

申请日：2008-11-14

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ASARI NAOKI ,  SHIOIRI SATORU ,  SATO JUNICHI ,  SASAGE KOSUKE

IPC: H01H33/66

Abstract: PROBLEM TO BE SOLVED: To provide a vacuum valve using a reinforcing member which adheres a contact and an electrode at a prescribed position.
SOLUTION: The vacuum valve has a cup-like electrode 2 and a pair of contacts 3 in free contact and separation which have a disk-like contact 3 adhered at the aperture of the electrode 2, an electrode side reinforcing member 5 adhered to the bottom of the aperture, and a contact side reinforcing member 4 adhered to the contact 3 face opposed to the bottom. A projection part 4a is provided at the contact side reinforcing member 4 and a hollow part 5a is provided at the electrode side reinforcing member 5, and the projection part 4a is inserted and adhered to the hollow part 5a.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种使用将接触和电极粘附在规定位置的加强构件的真空阀。 解决方案：真空阀具有杯状电极2和自由接触分离的一对触点3，其具有粘附在电极2的孔处的盘状接触3，粘附的电极侧增强部件5 并且接触侧加强部件4与底部相对的面接触。 突出部4a设置在接触侧加强部件4上，中空部5a设置在电极侧加强部件5上，突起部4a插入并粘接到中空部5a。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2006310199A

公开(公告)日：2006-11-09

申请号：JP2005133618

申请日：2005-04-28

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： SATO JUNICHI ,  YOKOKURA KUNIO ,  SHIOIRI SATORU ,  MAKISHIMA SATOSHI ,  SAKAGUCHI OSAMU ,  MIYAGAWA MASARU

IPC: H01H33/66 ,  H02B13/02 ,  H02B13/065

Abstract: PROBLEM TO BE SOLVED: To obtain a switchgear capable of easily detecting partial discharge. SOLUTION: The switchgear is equipped with a chassis 1, main circuit members 5, 13 structuring a main circuit of the switchgear provided inside the chassis 1, and insulation layers 6, 14 molded and formed around the main circuit members 5, 13. The insulation layers 6, 14 are transparent. COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 要解决的问题：获得能够容易地检测局部放电的开关装置。 解决方案：开关柜配备有底架1，构成设置在底盘1内部的开关装置的主电路的主电路构件5,13以及围绕主电路构件5,13模制和形成的绝缘层6,14。 绝缘层6,14是透明的。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2005276472A

公开(公告)日：2005-10-06

申请号：JP2004084502

申请日：2004-03-23

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： SATO JUNICHI ,  SAKAGUCHI OSAMU ,  MIYAGAWA MASARU ,  SHIOIRI SATORU

IPC: H01H33/66

Abstract: PROBLEM TO BE SOLVED: To enhance the partial discharge characteristic of a resin-molded vacuum switch by facilitating the operation of applying conductive paint.
SOLUTION: The resin-molded vacuum switch includes: a vacuum valve 10 having a pair of contacts that can freely move toward and away from each other; bowl-shaped shield electrodes 7, 8 provided in such a way as to cover the sealing end plates 5, 6 of the vacuum valve 10, with the tips of their outer peripheral parts formed into opposite curvature parts 7a, 8a; conductive layers 17, 18 provided by applying the conductive paint to the surfaces of the shield electrodes 7, 8; an insulating layer 4 provided on at least the outer peripheries of the shield electrodes 7, 8; and an operating mechanism 16 connected to the movable current-carrying shaft 3 of the vacuum valve 10. At least the curvature parts 7a, 8a are provided with the conductive layers 17, 18.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：通过促进施加导电涂料的操作来增强树脂模制的真空开关的局部放电特性。 解决方案：树脂模制真空开关包括：真空阀10，其具有能够彼此自由移动并远离的一对触点; 以覆盖真空阀10的密封端板5,6的方式设置的碗形屏蔽电极7,8，其外周部分的尖端形成相对的曲率部分7a，8a; 通过将导电涂料施加到屏蔽电极7,8的表面而提供的导电层17,18; 至少设置在屏蔽电极7,8的外周的绝缘层4; 以及连接到真空阀10的可动载流轴3的操作机构16.至少曲率部7a，8a设置有导电层17,18。（C）2006，JPO＆NCIPI