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31. 发明专利

JP2006004902A Electromagnetic operation mechanism and power switch using the same 有权
标题翻译：电磁操作机构和使用该电机的电源开关
公开(公告)号：JP2006004902A
公开(公告)日：2006-01-05
申请号：JP2004252181
申请日：2004-08-31
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MAKITA AKIRA , TAKEUCHI TOSHIE , MATSUDA TETSUYA , TSUKIMA MITSURU , KOYAMA KENICHI
IPC分类号： H01H33/38
摘要： PROBLEM TO BE SOLVED: To provide an electromagnetic operation mechanism capable of preventing erroneous operation caused by an abnormality of a permanent magnet or a mechanism part.
SOLUTION: On the electromagnetic operation mechanism, comprising movable elements capable of reciprocating in an axial direction, and permanent magnets fixed to a side face of the movable element or a face of yokes facing the side face of the movable element, a first magnetic circuit, starting from the permanent magnet passing through one end face of the movable element through the yoke and ending at the movable element, and a second magnetic circuit, starting from the permanent magnet passing through the other end face of the movable element through the yoke and ending at the movable element, are constructed. Magnetic flux monitoring elements, estimating the magnetic flux passing through a gap between at least one end face of the movable element and the yoke by detecting a magnetic flux density of either the first magnetic circuit or the second magnetic circuit, are arranged at at least two positions out of the positions of inside or proximity of the yoke where dependence of the change of the magnetic flux on the movement of the movable element is different from each other.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够防止由永磁体或机构部件的异常引起的错误操作的电磁操作机构。解决方案：在电磁操作机构中，包括能够沿轴向往复运动的可移动元件和固定到可移动元件的侧面的永磁体或面对可移动元件的侧面的轭的面，第一磁性电路，从永久磁铁开始，通过可动元件的一个端面通过磁轭并结束于可动元件;以及第二磁路，从永久磁铁开始，永磁体通过可移动元件的另一个端面通过轭和结束于可移动元件。磁通监测元件，通过检测第一磁路或第二磁路中的任一者的磁通密度，估计通过可移动元件的至少一个端面与磁轭之间的间隙的磁通量至少两个位于磁轭内部或附近的位置，其中磁通量的变化对可移动元件的运动的依赖性彼此不同。版权所有（C）2006，JPO＆NCIPI

32. 发明专利

JP2005078971A Switching device for electromagnetic repelling drive power 审中-公开
标题翻译：电磁传动驱动电源开关装置
公开(公告)号：JP2005078971A
公开(公告)日：2005-03-24
申请号：JP2003309043
申请日：2003-09-01
申请人： Kansai Electric Power Co Inc:The , Mitsubishi Electric Corp , 三菱電機株式会社 , 関西電力株式会社
发明人： TAKEUCHI TOSHIE , KOYAMA KENICHI , TSUKIMA MITSURU , SATO TADASHI
IPC分类号： H01H33/66 , H01H33/38
摘要： PROBLEM TO BE SOLVED: To obtain a switching device for electromagnetic repelling drive power capable of reducing energy needed for driving and capable of high-speed interruption and connection with high efficiency.
SOLUTION: The switching device for the electromagnetic repelling drive power is provided with a switch having a fixed electrode and a movable electrode free in attaching and detaching, movable coils fixed to the center of a movable shaft connected to the movable electrode, a fixed coil for pole opening arranged at a movable electrode side in the axis line direction of the movable coils and repelling between the movable coils, a fixed coil for pole closing fixed at a side contrary to the fixed coil for pole opening with respect to the movable coils and repelling between the movable coils, and a retention mechanism having a magnetic spring.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：获得能够降低驱动所需能量并且能够高效率地进行高速中断和连接的电磁驱动驱动电源的开关装置。解决方案：用于电磁驱动驱动电源的开关装置设置有具有固定电极和可移动电极的开关，该固定电极和可移动电极在安装和拆卸时不固定到连接到可动电极的可动轴的中心的可动线圈，用于在可动线圈的轴线方向上设置在可动电极侧的可动电极侧的固定线圈和可动线圈之间的排斥;固定在与固定线圈相反的一侧的固定线圈，用于相对于可动线圈线圈和可动线圈之间的排斥，以及具有磁性弹簧的保持机构。版权所有（C）2005，JPO＆NCIPI

33. 发明专利

JP2004222390A Enclosed type switchgear 审中-公开
公开(公告)号：JP2004222390A
公开(公告)日：2004-08-05
申请号：JP2003005478
申请日：2003-01-14
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SATO SHINJI , KOYAMA KENICHI , TSURIMOTO TAKAO , ARIOKA MASAHIRO
IPC分类号： H02B13/02 , H01H33/66 , H02B13/055
CPC分类号： H01H31/003 , H01H33/6661
摘要： PROBLEM TO BE SOLVED: To obtain an enclosed type switchgear in which the cost can be reduced by decreasing the number of components while enhancing the insulation performance. SOLUTION: The enclosed type switchgear comprises a disconnector 5 and a vacuum valve 3 for each phase juxtaposed to each other, an enclosed container 1 containing the disconnector 5 and the vacuum valve 3 and encapsulated with insulating gas, and insulating tubular container 2 having a substantially tubular body 2a made of an insulating material and standing on a specified supporting surface 1a in the enclosed container 1 while containing the vacuum valve 3 in the body 2a and supporting the disconnector 5 at the outside part of the body 2a, and an intermediate conductor 4 provided at the opening end part 2c on the side of the body 2a of the insulating tubular container 2 opposite to the supporting surface 1a and securing the vacuum valve 3 in the insulating tubular container 2 while being connected electrically with the first terminal conductor 3a thereof wherein the insulating tubular container 2 has a first insulating barrier part 2d formed integrally with the body 2a and standing at the opening end part 2c to surround the intermediate conductor 4 at least partially. COPYRIGHT: (C)2004,JPO&NCIPI

34. 发明专利

JP2004222381A Switchgear 有权
公开(公告)号：JP2004222381A
公开(公告)日：2004-08-05
申请号：JP2003005162
申请日：2003-01-14
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TSURIMOTO TAKAO , KOYAMA KENICHI , SATO SHINJI
IPC分类号： H02B1/20 , H01H33/66 , H02B13/02 , H02B13/075 , H02G5/06
CPC分类号： H01H31/003 , H01H33/6661
摘要： PROBLEM TO BE SOLVED: To provide a switchgear in which a tank can be further compacted by eliminating the necessity of installing a supporting insulator for fixing a bus side conductor to the tank. SOLUTION: The switchgear includes an insulating cylinder 8 housed in the tank 2 for filling an insulating gas and fixed at axial one end to the tank, a vacuum valve 7 substantially axially arranged in this insulating cylinder and directed at a movable side energizing shaft 7b in the direction of a one end of the insulating cylinder, and a bus fixing part 8b provided in a direction crossing the axial direction of the insulating cylinder near the other end of the insulating cylinder to insulate and support the bus side conductor 14. COPYRIGHT: (C)2004,JPO&NCIPI

35. 发明专利

JP2004220999A Sealed type switching device 审中-公开
公开(公告)号：JP2004220999A
公开(公告)日：2004-08-05
申请号：JP2003009151
申请日：2003-01-17
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SATO SHINJI , KOYAMA KENICHI , ARIOKA MASAHIRO
IPC分类号： H02B13/02 , H01H33/56 , H01H33/66 , H01H33/666
CPC分类号： H01H33/666 , H01H33/565 , H01H33/6661 , H01H2033/6667
摘要： PROBLEM TO BE SOLVED: To provide a sealed type switching device aimed to decrease unbalanced load at a contact point surface and to reduce a frictional force at a support part of a movable side electrically connected shaft by reducing an amount of rocking at the movable side contact point of the movable side electrically connected shaft and a vacuum valve. SOLUTION: The vacuum valve 2 is arranged in the interior of a gas holder 1, with the one end side of the movable side electrically connected shaft 9 arranged successively at the movable side contact point 5 of this vacuum valve 2, and a crimp adjustment spring 19 installed at the other end side of this movable side electrically connected shaft 9, while an operation rod 17 is installed penetrating through the gas holder 1, an operation mechanism part 18 is mounted on the external side of this gas holder 1 of this operation rod 17, an insulated rod 11 is mounted on the internal side of the gas holder 1, and the crimp adjustment spring 19 is joined to this insulated rod 11. COPYRIGHT: (C)2004,JPO&NCIPI

36. 发明专利

JP2004186098A Vacuum load break switch 审中-公开
公开(公告)号：JP2004186098A
公开(公告)日：2004-07-02
申请号：JP2002354459
申请日：2002-12-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SATO SHINJI , KOYAMA KENICHI
IPC分类号： H01H33/66 , H01H33/44
摘要： PROBLEM TO BE SOLVED: To provide a vacuum load break switch capable of performing synchronous input properly without causing a dielectric breakdown during closing of a contact.
SOLUTION: The vacuum load break switch comprises a pair of contacts 1, 2 provided in vacuum and interrupting a current, and a vacuum valve VCB connected to a three-phase cable to enable synchronous input such that it operates synchronously in accordance with a zero-voltage point and completes contact closing by bringing the contacts 1, 2 into contact with each other at the instant when the voltage becomes zero. The vacuum load break switch has a rated voltage of 60 to 85 kV, or of 45 kV or less. An average contact closing speed is set to 1.1 m/s or higher for a period from 5.0 ms before contacting of the contacts to the time of contacting in a contact closing process for 50 Hz AC, and for a period from 4.17 ms before contacting to the time of contacting for 60 Hz AC.
COPYRIGHT: (C)2004,JPO&NCIPI

37. 发明专利

JP2004039432A Vacuum valve and circuit breaker 有权
公开(公告)号：JP2004039432A
公开(公告)日：2004-02-05
申请号：JP2002194579
申请日：2002-07-03
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SUGA NORIO , OCHI SATOSHI , KIMURA TOSHINORI , KOYAMA KENICHI , TERAMOTO HIROYUKI , ITO TAKEFUMI
IPC分类号： H01H33/66
摘要： PROBLEM TO BE SOLVED: To provide a vacuum valve and a circuit breaker provided with the vacuum valve wherein breakage and consumption of a contact point are little and a high breaking performance can be exhibited stably for a long period of time.
SOLUTION: In the vacuum valve having a coil electrode wherein a plurality of coil parts are separately arranged on the rear face side of the contact point so as to generate a longitudinal magnetic field toward connection or disconnection direction of a fixed contact point and a movable contact point, out of a plurality of coil parts constituting one side or both sides of coil electrodes on the fixed contact point side and the movable side, this is to make a coil part, that is connected to a portion where more arc currents of the contact points flow by receiving an action of electromagnetic force generated by the current flowing in a connecting conductor of the fixed contact point side and the movable contact point side, which is connected to the fixed contact point side and the movable contact point side of the vacuum valve, as a specific coil part which is long in the circumferential direction than the other coil parts of the coil electrode to which the coil part belongs.
COPYRIGHT: (C)2004,JPO

38. 发明专利

JP2003272919A Electromagnetic actuator and switchgear 审中-公开
标题翻译：电磁致动器和开关
公开(公告)号：JP2003272919A
公开(公告)日：2003-09-26
申请号：JP2002070431
申请日：2002-03-14
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KISHIDA YUKIMORI , TSUKIMA MITSURU , KOYAMA KENICHI , TAKEUCHI TOSHIE
IPC分类号： H01F7/16 , H01F7/18 , H01H33/38 , H01H33/66
摘要： PROBLEM TO BE SOLVED: To obtain an electromagnetic actuator that can secure a response speed even when a large-capacitance high-density capacitor is used in its driving circuit and, in addition, can be reduced in size.
SOLUTION: This electromagnetic actuator is provided with a movable spindle, a repulsive plate fixed to the movable spindle, and an electromagnetic repulsive coil 30 facing the repulsive plate, a driving circuit which includes a capacitor 40, a charging power source 50 for charging the capacitor 40, and a switch 141 used for opening and closing the current route to the repulsive coil 30 and generates a pulsed current to flow through the coil 30. A repulsive or attractive force is generated in the repulsive plate by the interaction between an induced current generated in the repulsive plate due to a pulsed magnetic field produced in the coil 30 by the pulsed current flowing through the coil 30 and the pulsed current. The coil 30 is constituted by arranging a plurality of small coils 31 in parallel with each other.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：即使在其驱动电路中使用大容量高密度电容器，也可以获得能够确保响应速度的电磁致动器，并且还可以减小尺寸。解决方案：该电磁致动器设置有可动主轴，固定到可动主轴的排斥板和面向排斥板的电磁排斥线圈30，包括电容器40的驱动电路，用于对电容器40进行充电，以及用于打开和关闭到排斥线圈30的电流路径的开关141，并产生脉冲电流流过线圈30.在排斥板中通过相互作用产生排斥或吸引力由于在线圈30中产生的脉冲磁场，流过线圈30的脉冲电流和脉冲电流，在排斥板中产生的感应电流。线圈30通过彼此平行地布置多个小线圈31而构成。版权所有（C）2003，JPO

39. 发明专利

JP2003016887A Operating device for power switchgear 有权
标题翻译：用于电力开关的操作装置
公开(公告)号：JP2003016887A
公开(公告)日：2003-01-17
申请号：JP2001199059
申请日：2001-06-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAKEUCHI TOSHIE , TSUKIMA MITSURU , SATO SHINJI , TSURIMOTO TAKAO , KOYAMA KENICHI , NAKAGAWA TAKAFUMI , YAMAMOTO SHUNJI
IPC分类号： H01F7/16 , H01H33/66
CPC分类号： H01H33/6662
摘要： PROBLEM TO BE SOLVED: To provide an operating device for power switchgear, capable of enhancing the reliability of opening and closing operation and reducing the number of part items, by eliminating the demagnetization of a permanent magnet in the current-carrying to opening and closing coils, and opening and closing vacuum valves corresponding to three phase by three movable iron cores integrated to one fixed iron core.
SOLUTION: Three movable iron cores 22 is housed in one fixed iron core 21. Each iron movable coil 22 comprises a closing coil 24, wound on the closing side and an opening coil 25 wound on the opening side, and the permanent magnets 26 are arranged opposite to each other through each movable iron core 22, with the magnetization directions in reverse. The magnetic flux directions carried to the permanent magnet 26 in the current-carrying to the closing and opening coils 24 and 25, agrees with the magnetization direction A of the permanent magnet 26.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了提供一种能够提高打开和关闭操作的可靠性并减少部件的数量的电力开关装置的操作装置，通过消除通电到开闭线圈中的永磁体的退磁，并且对应于三相的开关真空阀，三相可移动铁芯集成到一个固定铁芯上。解决方案：三个可动铁芯22容纳在一个固定铁芯21中。每个铁可移动线圈22包括缠绕在关闭侧的闭合线圈24和缠绕在开口侧的开启线圈25，并且永磁体26布置通过每个可动铁芯22彼此相对，磁化方向相反。向通向闭合和断开线圈24和25的通电中的永久磁铁26的磁通方向与永磁体26的磁化方向A一致。

40. 发明专利

JPH11273512A Switch gear 失效
标题翻译：开关齿轮
公开(公告)号：JPH11273512A
公开(公告)日：1999-10-08
申请号：JP7994098
申请日：1998-03-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SATO SHINJI , FUJII HARUHISA , KOYAMA KENICHI , KIMURA TOSHINORI , ITO TAKEFUMI , KAWAMATA IWAO , SEKIYA TAKU , MIYAMOTO SEIICHI , ITOTANI TAKAYUKI , MARUYAMA TOSHIMASA , YORITA MITSUMASA , HISAMORI YOICHI
IPC分类号： H01H33/66
CPC分类号： H01H33/66
摘要： PROBLEM TO BE SOLVED: To provide a switch gear preventing lowering of an insulating characteristic caused by accretion of metal vapor generated by the main circuit arc to an insulator coupling member coupling a movable electrode with an operating member, and maintaining the good insulating characteristic over the long term.
SOLUTION: A projecting part projecting by the prescribed length L in the direction orthogonal to the axis of an operating rod 6b is roundly set on the coupling side with the operating rod 6b, that is, the non-opposite side to a main circuit switch gear, of an insulator coupling member 5 coupling a movable electrode 6a with the operating rod 6b. The surface on the coupling side with the operating rod 6b of the projecting part is kept clean so that metal vapor generated by main circuit arc hardly accretes to it, thus lowering of an insulating characteristic is prevented.
COPYRIGHT: (C)1999,JPO
摘要翻译：要解决的问题：提供一种开关装置，其防止由主电弧产生的金属蒸汽的积累导致的绝缘特性降低到将可动电极与操作构件连接的绝缘体联接构件，并且保持良好的绝缘特性长期。解决方案：在与操作杆6b的轴线正交的方向上突出规定长度L的突出部分在操作杆6b的联接侧被圆形地设置，即与主电路开关装置的非相反侧的可动电极6a与操作杆6b连接的绝缘体联接构件5。与突出部的操作杆6b的联接侧的表面保持清洁，使得由主电路产生的金属蒸气几乎不会增加，从而防止了绝缘特性的降低。

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