公开(公告)号：EP2424055A2

公开(公告)日：2012-02-29

申请号：EP11178129.0

申请日：2011-08-19

申请人： Hitachi Ltd.

发明人： Takahashi, Keiichi ,  Tuchiya, Kenji ,  Morita, Ayumu ,  Kobayashi, Masato ,  Sugai, Daisuke

IPC分类号： H02B13/01

CPC分类号： H02B13/01 ,  H02B1/56

摘要： A switchgear includes a chassis 1 which is partitioned by metal earthed plates and includes a bus bar section 1a located at a central portion, a switch section 1b located below the bus bar section 1a, a cable section 1c located at a rear surface side, and a control section 1d located at a front surface side; an air-insulated earthed disconnecting switch 5 provided in the switch section 1b; and a manipulating device 7. The switch section 1b is separable from the chassis 1, and is configured as a case having a semi-closed structure which allows air to pass therethrough but prevents particles of oil and water from passing therethrough.

摘要翻译： 开关装置包括由金属接地板隔开的底盘1，该底盘1包括位于中央部分的汇流条部分1a，位于汇流条部分1a下方的开关部分1b，位于后表面侧的电缆部分1c以及 位于前表面侧的控制部分1d; 设置在开关部分1b中的空气绝缘接地断路器5; 以及操作装置7.开关部分1b可与底盘1分离，并被构造成具有半封闭结构的壳体，其允许空气通过，但防止油和水的颗粒通过。

公开(公告)号：EP2418667A2

公开(公告)日：2012-02-15

申请号：EP11177326.3

申请日：2011-08-11

申请人： Hitachi Ltd.

发明人： Sawada, Masashi ,  Morita, Ayumu ,  Yabu, Masato ,  Shibuya, Motoki

IPC分类号： H01H3/28 ,  H01H3/46 ,  H01H31/28

CPC分类号： H01H31/28 ,  H01H3/28 ,  H01H3/46 ,  H01H33/38 ,  H01H33/48

摘要： In an air circuit breaker provided with a make-and-break unit having a stator 11 and a blade-shaped movable element 10 rotatably supported with a support shaft 9 oppositely to the stator, comprising an electromagnetic operation unit 20 having a fixed iron core 33 provided in an upper position, a movable iron core 32 provided in a lower position oppositely to the fixed iron core, a coil 30 that connects/disconnects the fixed iron core 33 and the movable iron core 32, and a permanent magnet 38; capacitors 17a to 17c that energy-store electric power to excite the coil 30; a control circuit board 19 that controls a carrying direction of a current supplied from the capacitors to the coil 30 in response to an input command or a breaking command to the make-and-break unit; and a servo mechanism 16 connected to the movable iron core 32, that transmits a driving force by the electromagnetic force of the electromagnetic operation unit 20 to the make-and-break unit.

摘要翻译： 在设置有具有定子11的制动和断路单元的空气断路器和可旋转地支撑有与定子相对的支撑轴9的叶片形可动元件10的空气断路器中，包括具有固定铁芯33的电磁操作单元20 设置在上部位置，设置在与固定铁芯相对的下方位置的可动铁芯32，连接/断开固定铁芯33和可动铁芯32的线圈30和永磁体38; 电容器17a至17c，其能量存储电力以激励线圈30; 控制电路板19，其响应于对分离单元的输入命令或断开命令，控制从电容器提供给线圈30的电流的传送方向; 以及连接到可动铁芯32的伺服机构16，其通过电磁操作单元20的电磁力将驱动力传递到分离单元。

公开(公告)号：EP2287874A3

公开(公告)日：2012-02-15

申请号：EP10007796.5

申请日：2010-07-27

申请人： Hitachi, Ltd.

发明人： Utsumi, Tomoaki ,  Shirone, Takashi ,  Sato, Takashi ,  Tsushiya, Kenji ,  Morita, Ayumu

IPC分类号： H01H31/00 ,  H01H33/66

CPC分类号： H01H33/6661 ,  H01H31/003 ,  H01H2033/66223 ,  H01H2033/6668 ,  H02B13/0354

摘要： A switchgear includes an earthing and disconnecting switch (10) which linearly moves and is switchable to a disconnecting and an earthing positions, a vacuum valve (1) which performs closing and breaking of a current in a vacuum container producing vacuum inside, and a solid insulator (30) with which the earthing and disconnecting switch (10) and the vacuum valve (1) are covered, therein the earthing and disconnecting switch (10) and the vacuum valve (1) are electrically connected, and closing and breaking of a current is performed in the vacuum valve (1).

公开(公告)号：EP2187416B1

公开(公告)日：2012-01-04

申请号：EP09014127.6

申请日：2009-11-11

申请人： Hitachi Ltd.

发明人： Morita, Ayumu ,  Sato, Takashi ,  Utsumi, Tomoaki ,  Yano, Makoto ,  Tsuchiya, Kenji ,  Kobayashi, Masato ,  Kikukawa, Shuichi ,  Katagiri, Junichi

IPC分类号： H01H33/66

CPC分类号： H01H33/66207 ,  H01H31/003 ,  H01H33/66261 ,  H01H33/666 ,  H01H2033/6623 ,  H01H2033/66284 ,  H01H2033/6667

公开(公告)号：EP2365504A1

公开(公告)日：2011-09-14

申请号：EP11002461.9

申请日：2010-08-03

申请人： Hitachi, Ltd.

发明人： Yamazaki, Miki ,  Tsuchiya, Kenji ,  Morita, Ayumu ,  Kobayashi, Masato ,  Kikukawa, Shuichi ,  Kikuchi, Shigeru

IPC分类号： H01H11/04 ,  H01H33/66

CPC分类号： H01H33/664 ,  H01H11/041 ,  H01H11/045 ,  H01H33/6643 ,  Y10T29/49105

摘要： An object of the invention is to provide a vacuum switch (70) which can achieve a reduction of an electric loss and an improvement of a heat transmission performance by preventing an air gap portion from being generated between an electrode and a conductor rod (1) and preventing the electrode and the conductor rod (1) from generating any positional displacement. An electrode for a switch in accordance with the invention is provided with the conductor rod (1), a contact point electrode (2) inserted to the conductor rod (1), and a coupling plate (3) fixing both the elements to an outer side in a diametrical direction of the conductor rod (1) and the contact point electrode (2), thereby fixing both the elements.

摘要翻译： 本发明的一个目的是提供一种真空开关（70），它可以通过从在电极与导体杆之间产生防止空气间隙部分实现的降低的电损耗和改善的热传递性能（1） 并防止电极和从生成任何位置偏移导体杆（1）。 在雅舞蹈的开关与本发明的电极设置有导电棒（1），插入到导体杆（1）的接触点电极（2），和联接板（3）固定两个在外的元件，以 侧的导体杆（1）和接点电极（2）的直径方向，从而固定两个元件。

公开(公告)号：EP2287874A2

公开(公告)日：2011-02-23

申请号：EP10007796.5

申请日：2010-07-27

申请人： Hitachi, Ltd.

发明人： Utsumi, Tomoaki ,  Shirone, Takashi ,  Sato, Takashi ,  Tsushiya, Kenji ,  Morita, Ayumu

IPC分类号： H01H31/00 ,  H01H33/66

CPC分类号： H01H33/6661 ,  H01H31/003 ,  H01H2033/66223 ,  H01H2033/6668 ,  H02B13/0354

摘要： A switchgear includes an earthing and disconnecting switch (10) which linearly moves and is switchable to a disconnecting and an earthing positions, a vacuum valve (1) which performs closing and breaking of a current in a vacuum container producing vacuum inside, and a solid insulator (30) with which the earthing and disconnecting switch (10) and the vacuum valve (1) are covered, therein the earthing and disconnecting switch (10) and the vacuum valve (1) are electrically connected, and closing and breaking of a current is performed in the vacuum valve (1).

公开(公告)号：EP2079089A3

公开(公告)日：2010-09-01

申请号：EP08021300.2

申请日：2008-12-08

申请人： Hitachi Ltd.

发明人： Morita, Ayumu ,  Tsuchiya, Kenji

IPC分类号： H01H33/66

CPC分类号： H01H33/668

摘要： A vacuum switchgear comprising: a casing; a vacuum switch, enclosed in the casing, comprising a metal vessel covered with a solid insulator, the surface of the insulator being covered with a conductive layer to be earthed, a pair of movable electrode and a fixed electrode to constitute a main circuit, enclosed in the metal vessel; a first condenser connected to the terminal on the solid insulator. A first electric connection means and second connecting means are disposed to the casing, and the first connecting means is connected to a first condenser and the second connecting means is connected to the second condenser. A voltage indicator that indicates a status of vacuum of the metal vessel and a status of power application to a main circuit of the switch section is electrically connected to either the first or second connecting means.

公开(公告)号：EP2178097A2

公开(公告)日：2010-04-21

申请号：EP09012936.2

申请日：2009-10-13

申请人： Hitachi Ltd.

发明人： Morita, Ayumu ,  Kobayashi, Masato ,  Tonosaki, Hironori ,  Yamazaki, Miki

IPC分类号： H01H9/22 ,  H01H31/00 ,  H01H33/66

CPC分类号： H01H9/22 ,  H01H31/003 ,  H01H33/6661 ,  H01H2033/6668 ,  H01H2300/056

摘要： A switchgear is provided with interlocks that enhances safety and reliability. On a front face panel, a single line connection diagram, an indicator showing state of ON, OFF and disconnection, another indicator showing a state of an grounding switch, a selection mechanism for selecting manipulation of circuit break, disconnection and grounding, push button switches and for closing and opening a circuit breaker, a manipulation handle insertion hole for disconnecting and a manipulation handle insertion hole for grounding are provided. Depending on positions of a manipulation pin 12 of the selection mechanism , a machine and apparatus to be manipulated is selected. Further, other than the selection of the manipulation the selection mechanism mechanically couples with shutters respectively provided at the manipulation handle insertion hole for disconnecting and the manipulation handle insertion hole for grounding and realizes mechanical interlocks in series of manipulations between circuit break, disconnection and grounding.

摘要翻译： 开关柜提供互锁，增强安全性和可靠性。 在前面板上，单线连接图，显示ON，OFF和断开状态的指示灯，显示接地开关状态的另一个指示灯，选择断路操作，断开和接地的选择机构，按钮开关 并且用于闭合和断开断路器，提供用于断开的操作手柄插入孔和用于接地的操纵手柄插入孔。 根据选择机构的操作销12的位置，选择要操纵的机器和装置。 此外，除了选择机构之外，选择机构与分别设置在用于断开的操作手柄插入孔和用于接地的操纵手柄插入孔机械联接的快门相结合，并实现在断路，断开和接地之间的一系列操作中的机械互锁。

公开(公告)号：EP2020668A3

公开(公告)日：2009-11-25

申请号：EP08012040.5

申请日：2008-07-03

申请人： Hitachi Ltd.

发明人： Kobayashi, Masato ,  Tsuchiya, Kenji ,  Yamazaki, Miki ,  Morita, Ayumu

IPC分类号： H01H33/66 ,  H01H1/20

CPC分类号： H01H33/666 ,  H01H1/20 ,  H01H33/66238 ,  H01H2033/66246 ,  H01H2033/6668

摘要： A vacuum insulated switch, comprising:
a vacuum container; two stationary contacts contained in the vacuum container; two movable contacts contained in the vacuum container, each capable of contacting and separating from a corresponding one of the stationary contacts; a vacuum insulated actuating rod connected to the two movable contacts; an operating rod connected to the vacuum insulated actuating rod via a metal bellows; and
a guide for guiding the operating rod;

characterized in that,
an off-axis displacement allowing structure is provided between the guide and the operating rod for allowing the off-axis displacement of the operating rod.

公开(公告)号：EP2079089A2

公开(公告)日：2009-07-15

申请号：EP08021300.2

申请日：2008-12-08

申请人： Hitachi Ltd.

发明人： Morita, Ayumu ,  Tsuchiya, Kenji

IPC分类号： H01H33/66

CPC分类号： H01H33/668

摘要： A vacuum switchgear comprising: a casing; a vacuum switch, enclosed in the casing, comprising a metal vessel covered with a solid insulator, the surface of the insulator being covered with a conductive layer to be earthed, a pair of movable electrode and a fixed electrode to constitute a main circuit, enclosed in the metal vessel; a first condenser connected to the terminal on the solid insulator. A first electric connection means and second connecting means are disposed to the casing, and the first connecting means is connected to a first condenser and the second connecting means is connected to the second condenser. A voltage indicator that indicates a status of vacuum of the metal vessel and a status of power application to a main circuit of the switch section is electrically connected to either the first or second connecting means.

摘要翻译： 一种真空开关装置，包括：壳体; 封闭在壳体中的真空开关包括覆盖有固体绝缘体的金属容器，绝缘体的表面被要接地的导电层覆盖，一对可动电极和固定电极构成主电路，封闭 在金属容器中 连接到固体绝缘体上的端子的第一电容器。 第一电连接装置和第二连接装置设置在壳体上，第一连接装置连接到第一冷凝器，第二连接装置连接到第二冷凝器。 指示金属容器的真空状态的电压指示器和对开关部分的主电路施加电力的状态电连接到第一或第二连接装置。