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1. 发明专利

JP2014023369A Electrical apparatus 审中-公开
标题翻译：电气设备
公开(公告)号：JP2014023369A
公开(公告)日：2014-02-03
申请号：JP2012162343
申请日：2012-07-23
申请人： Toshiba Corp , 株式会社東芝
发明人： HOSHINO TOSHIHIRO , NOZAWA MASARU
IPC分类号： H02B13/02 , H01H33/53 , H01H33/56
CPC分类号： Y02A30/19
摘要： PROBLEM TO BE SOLVED: To provide an electrical apparatus which can ensure withstand voltage performance in accordance with the weather conditions and the operating conditions.SOLUTION: In a porcelain bushing 1 filled with an arc-extinguishing gas, a pair of contactors 2, 3 are disposed detachably while facing each other on the same axis. Flanges 4a, 4b are attached to the ends of the porcelain bushing 1. An electric field relaxation ring 6 is attached to cover the outer periphery of the flange 4a, and a moving mechanism 7 which moves the position of the electric field relaxation ring 6 for the end of the porcelain bushing 1 is provided.
摘要翻译：要解决的问题：提供可以根据天气条件和操作条件来确保耐压性能的电气设备。解决方案：在装有灭弧气体的瓷衬套1中，一对接触器2,3是可拆卸地设置在同一轴线上彼此面对。法兰4a，4b安装在瓷衬套1的端部。安装电场缓和环6以覆盖凸缘4a的外周;以及移动机构7，其移动电场缓和环6的位置，提供了瓷衬套1的端部。

2. 发明专利

JP2013247144A Capacitor unit and gas insulation breaker 审中-公开
标题翻译：电容器和气体绝缘断路器
公开(公告)号：JP2013247144A
公开(公告)日：2013-12-09
申请号：JP2012117702
申请日：2012-05-23
申请人： Toshiba Corp , 株式会社東芝
发明人： SATO MASAYUKI , NOZAWA MASARU
IPC分类号： H01G4/38 , H01G2/10 , H01H9/42 , H01H33/16
摘要： PROBLEM TO BE SOLVED: To relax a high electric field at a triple junction formed around the outer periphery of a plurality of capacitor elements.SOLUTION: A capacitor unit 20a of an embodiment includes: a plurality of capacitor laminates 1 each of which includes a plurality of capacitor elements 1-1 to 1-n connected in series, each of the capacitor elements being formed by coating around a dielectric with an insulator; an insulation cylinder 3 housing each capacitor laminate 1; a shield electrode 4 connecting both end parts of the capacitor laminates 1 via a connection electrode 2; and an inner face coating 10 having a specific permittivity of more than 1 and 4 or less and covering the inner face of the insulation cylinder 3.
摘要翻译：要解决的问题：为了在多个电容器元件的外周形成的三重连接处松弛高电场。一个实施例的电容器单元20a包括：多个电容器层叠体1，每个电容器层叠体1包括多个串联连接的电容器元件1-1至1-n，每个电容器元件通过用绝缘体涂覆在电介质周围形成; 容纳各电容器层叠体1的绝缘筒3; 通过连接电极2连接电容器层叠体1的两端部的屏蔽电极4; 以及具有大于1和4或更小的比介电常数并覆盖绝缘筒3的内表面的内表面涂层10。

3. 发明专利

JP2013197010A Gas circuit breaker 审中-公开
标题翻译：气体断路器
公开(公告)号：JP2013197010A
公开(公告)日：2013-09-30
申请号：JP2012065115
申请日：2012-03-22
申请人： Toshiba Corp , 株式会社東芝
发明人： YAMADA HITOSHI , IIJIMA TAKAFUMI , NOZAWA MASARU , SUZUKI SHOGO , KATO NORIMITSU
IPC分类号： H01H33/16 , H01H33/70
摘要： PROBLEM TO BE SOLVED: To improve a breakdown voltage performance of a gas circuit breaker, and miniaturize the gas circuit breaker.SOLUTION: A gas circuit breaker according to an embodiment has a blocking unit and a resistor unit parallely connected to each other. The blocking unit comprises a first tubular insulation container, a first stationary side electrode rod, and a first movable side electrode rod. The resistor unit comprises a second tubular insulation container, a second stationary side electrode rod, a second movable side electrode rod, and plural resistor elements. The second movable side electrode rod moves forward and backward between a forward position at which it is in contact with the opposed second stationary side electrode rod in the second insulation container, and a backward position at which it is isolated from the electrode rod. An electrode interval between the second stationary side electrode rod and the second movable side electrode rod at the backward position is within 25% of axial length of the second insulation container with a center of an axial direction of the second insulation container as a reference position.
摘要翻译：要解决的问题：提高气体断路器的击穿电压性能，并使气体断路器小型化。解决方案：根据实施例的气体断路器具有彼此平行连接的阻塞单元和电阻单元。阻挡单元包括第一管状绝热容器，第一固定侧电极棒和第一可动侧电极棒。电阻器单元包括第二管状绝缘容器，第二固定侧电极棒，第二可动侧电极棒和多个电阻元件。第二可动侧电极杆在与第二绝缘容器中的相对的第二固定侧电极杆接触的前方位置和与电极杆隔离的向后位置上前后移动。第二固定侧电极棒和第二可动侧电极棒之间的电极间隔在第二绝缘容器的轴向长度的25％以内，第二绝缘容器的轴向方向的中心作为基准位置。

4. 发明专利

JP2014029182A Shock absorbing device of operation mechanism for opening/closing device 有权
标题翻译：用于打开/关闭装置的操作机构的震动吸收装置
公开(公告)号：JP2014029182A
公开(公告)日：2014-02-13
申请号：JP2012169899
申请日：2012-07-31
申请人： Toshiba Corp , 株式会社東芝
发明人： AMITA YOSHIAKI , SHIMIZU MASAHARU , MARUSHIMA TAKASHI , NOZAWA MASARU
IPC分类号： F16F9/48 , F16F9/18 , F16F9/32 , H01H33/40 , H01H33/42
摘要： PROBLEM TO BE SOLVED: To improve reliability by avoiding deterioration of spring strength due to shock deformation or buckling of a spring.SOLUTION: An outer cylinder 11 and an inner cylinder 12 are arranged coaxially. A first piston 13 is slidably arranged inside an inner cylinder. A piston rod 15 is fastened to the first piston. A high-pressure chamber 25 filled with hydraulic oil is formed in a space surrounded by the inner cylinder and the first piston. The piston rod and the first piston are pushed into the high-pressure chamber to compress the hydraulic oil, thereby regenerating a braking force. A second piston 14 for absorbing volume change of the hydraulic oil is arranged inside the outer cylinder. A return spring 20 is arranged between a return spring receiver 19 provided on the outer cylinder and the second piston. The return spring applies a spring force in a direction for isolating the return spring receiver on the outer cylinder side from the second piston.
摘要翻译：要解决的问题：通过避免由于弹簧的冲击变形或翘曲引起的弹簧强度的劣化来提高可靠性。解决方案：外筒11和内筒12同轴布置。第一活塞13可滑动地布置在内筒内。活塞杆15紧固到第一活塞上。填充有液压油的高压室25形成在由内筒和第一活塞围绕的空间内。活塞杆和第一活塞被推入高压室中以压缩液压油，从而再生制动力。用于吸收液压油的体积变化的第二活塞14布置在外筒内。复位弹簧20设置在设置在外筒上的复位弹簧座19和第二活塞之间。复位弹簧沿着将外筒侧的复位弹簧座与第二活塞隔离的方向施加弹簧力。

5. 发明专利

JP2004129344A Gas-blast circuit breaker 审中-公开
公开(公告)号：JP2004129344A
公开(公告)日：2004-04-22
申请号：JP2002287431
申请日：2002-09-30
申请人： Toshiba Corp , 株式会社東芝
发明人： KOMATSU HIROAKI , MATSUSHITA KOZO , KONDO KATSUYUKI , NOZAWA MASARU , OI MASAYOSHI , NAKANO OSAMU
IPC分类号： H02B13/065 , H02B13/02 , H02B13/055
摘要： PROBLEM TO BE SOLVED: To provide a gas-blast circuit breaker for excellent reliability and economy capable of accurately understanding the state of an equipment for timely maintenance according to actual state of the equipment while a line is hot. SOLUTION: A body of a gas tank 1 is attached with a grease degradation diagnosing device 6 which comprises an observation window 7 and a grease holder 8. The observation window 7 is arranged vertical to the body of the gas tank 1. The grease holder 8 is arranged horizontally in the gas tank 1, and coated with the same grease 14 as that used for a contact of an arc-extinguishing chamber 2. COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2009199900A Gas circuit breaker 有权
标题翻译：气体断路器
公开(公告)号：JP2009199900A
公开(公告)日：2009-09-03
申请号：JP2008040544
申请日：2008-02-21
申请人： Toshiba Corp , 株式会社東芝
发明人： NOZAWA MASARU , KONDO KATSUYUKI , TAKAO HIROSHI
IPC分类号： H01H33/70
摘要： PROBLEM TO BE SOLVED: To provide a gas circuit breaker with a capacitor for maintaining in a high-level manner short distance line fault cut-out characteristics while removing constraints on the connecting direction of an external connection conductor drawn out of an arc extinguishing chamber to eliminate the need for a connection bus bar even when using the gas circuit breaker for a gas insulated switch gear, resulting in contribution to a compact installation space and improved economical efficiency. SOLUTION: The capacitor 3 for suppressing the rising rate of transient recovery voltage is stored in a second sealed container 18 in parallel to the arc extinguishing chamber 2. The capacitor 3 is conducted and connected to a movable contact part 4 and an opposite contact part 5 via a pair of conductors 19, 20, respectively. The external connection conductor 16 is drawn out of the arc extinguishing chamber 2, and an external connection conductor 21 is drawn out of the capacitor 3. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有电容器的气体断路器，用于保持高水平的短距离线路故障切断特性，同时消除对从电弧引出的外部连接导体的连接方向的限制灭火室，即使在气体绝缘开关装置使用气体断路器时也不需要连接母线，从而有助于紧凑的安装空间，提高经济效益。解决方案：用于抑制瞬时恢复电压上升率的电容器3与灭弧室2平行地存储在第二密封容器18中。电容器3被传导并连接到可动接触部分4，接触部分5分别经由一对导体19,20。外部连接导体16从灭弧室2中拉出，外部连接导体21从电容器3中抽出。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2015011875A ガス遮断器有权
标题翻译：气体断路器
公开(公告)号：JP2015011875A
公开(公告)日：2015-01-19
申请号：JP2013136777
申请日：2013-06-28
申请人：株式会社東芝 , Toshiba Corp
发明人： SHINKAI TAKESHI , DEBASIS BISWAS , JINBO TOMOHIKO , SHIMAMURA AKIRA , ISHII AKIRA , MAJIMA SHUYA , NOZAWA MASARU
IPC分类号： H01H33/70 , H01H33/915
摘要：【課題】電流遮断時における高温ガスのスムースな排気を実現し、いかなる電流領域においても、優れた電療遮断性能を有するガス遮断器を提供する。【解決手段】絶縁ノズル23の内部は、蓄圧空間の下流に位置し前記流路の断面積が漸次縮小する縮小部と、縮小部の下流に位置し前記流路の断面積が最小となるスロート部5bと、スロート部5bの下流に位置し前記断面積が漸次拡大する拡大部5cとを備える。スロート部5bの断面積S1、絶縁ノズル23の内面と対向アーク接触子11の外面の先端部との隙間である絞り部の断面積S2、絶縁ノズル23の下流出口の断面積S3、絶縁ノズル23のスロート部5bと絞り部との距離をL1、絞り部と出口との距離をL2としたときに、5.0S1>S2>2.0S1、10.0S1>S3>2.5S1、L2>0.2L1とする。【選択図】図1
摘要翻译：要解决的问题：提供一种在电流中断期间平稳地排出高温气体并且即使在任何当前区域也具有高电流中断性能的气体断路器。解决方案：绝缘喷嘴23的内部包括定位的减速部分在电压累积空间的下游侧，流路的截面积逐渐减小; 位于所述还原部的下游侧并且所述流路的截面积最小的喉部5b; 以及位于喉部5b的下游侧并且截面积逐渐扩大的膨胀部5c。当喉部5b的截面面积S1被定义为S1时，作为绝缘喷嘴23的内表面与相对的电弧触头11的外表面的远端部分之间的间隙的节流部分的截面面积被定义为S2，绝缘喷嘴23的下流出口的截面面积被定义为S3，绝缘喷嘴23的喉部5b与节流部之间的距离被定义为L1，节气门部分并且出口被定义为L2，满足5.0S1> S2> 2.0S1，10.0S1> S3> 2.5S1和L2> 0.2 L1。

8. 发明专利

JP2002051413A COMPOSITE GAS-INSULATED SWITCHGEAR 失效
公开(公告)号：JP2002051413A
公开(公告)日：2002-02-15
申请号：JP2000231861
申请日：2000-07-31
申请人： TOSHIBA CORP , TOSHIBA HENDEN KIKI TECHNOLOGY
发明人： MATSUSHITA KOZO , UCHINO SHINSUKE , NOZAWA MASARU , YOSHIMI AKIHIRO , ABUMIYA ATSUSHI , SUGAWARA TOSHIYUKI , OGATA KAZUTOSHI , NAGABUCHI YOSHINOBU
IPC分类号： H02B13/02 , H02B5/06 , H02B13/035
摘要： PROBLEM TO BE SOLVED: To make a switchgear small and light as a whole, and to lower the price of the product. SOLUTION: This switchgear is provided with a grounding container 31, on which a cylindrical branch part 31a that is branched from a part of the circumferential surface of a cylindrical structure and inclined diagonally upward is provided and in which an insulating gas is sealed; porcelain tubes 12, 23 each being mounted on the opening ends of the grounding container and the cylindrical branch part; a disconnector 30 that is provided inside the grounding container 31 and electrically connected to a conductor 11 being incorporated in the porcelain tube provided as a bushing at the grounding container side; a breaking part 20 provided inside the porcelain tube 23 at the cylindrical branch part 31a side of the grounding container 31 by being electrically connected to the disconnector 30, an AC apparatus 70 provided on the outside circumferential part of the cylindrical branch part 31a centering a connecting conductor between the breaking part 20 and the disconnector 30; a grounding switch 4 that makes contact with and separates an electrode opposite to the breaker 20 of the disconnector mounted in the grounding container 31 as the electrode of a main pole side; and an insulating material 60 that supports and fixes the main pole side electrode of the grounding switch 4 and the bushing conductor 11 onto the ground container 31.

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