公开(公告)号：US20160203927A1

公开(公告)日：2016-07-14

申请号：US14912794

申请日：2014-05-26

Applicant: HITACHI, LTD.

Inventor： Masanao TERADA ,  Hajime URAI ,  Katsuhiko SHIRAISHI ,  Yoichi OSHITA ,  Hiroaki HASHIMOTO ,  Noriyuki YAGINUMA

IPC: H01H33/42

CPC classification number: H01H33/42 ,  H01H2033/028 ,  H01H2205/002

Abstract: Provided is a gas circuit breaker that can reduce control energy smaller than that in previous double motion systems and an excessive force applied to a moveable pin to achieve a highly reliable double motion system. A gas circuit breaker has a double motion mechanism unit including a driving-side connecting rod, a driven-side connecting rod, a lever to connect the rods, and a guide to define the motion of the driving-side and driven-side connecting rods. A moveable pin extends through a first grooved cam of the driving-side conencting rod, a second grooved cam of the guide, and a third grooved cam of the lever. The driving-side connecting rod operates to move the moveable pin inside the grooved cams. Thus, the lever is rotated, the driven-side connecting rod is driven opposite to the driving-side connecting rod, and the driven-side arcing contact is driven opposite to the driving-side arcing contact.

Abstract translation: 提供了一种气体断路器，其可以减少比先前的双运动系统中的控制能量更小的控制能量，并且施加到可移动销的过大的力以实现高度可靠的双运动系统。 气体断路器具有双运动机构单元，其包括驱动侧连接杆，从动侧连接杆，用于连接杆的杠杆和用于限定驱动侧和从动侧连接杆的运动的引导件 。 可移动销延伸穿过驱动侧连接杆的第一凹槽凸轮，引导件的第二凹槽凸轮和杠杆的第三凹槽凸轮。 驱动侧连杆操作以使可移动销在槽形凸轮内移动。 因此，杠杆旋转，从动侧连接杆与驱动侧连接杆相对驱动，从动侧电弧触点与驱动侧电弧触点相对驱动。

公开(公告)号：US20180025868A1

公开(公告)日：2018-01-25

申请号：US15547908

申请日：2016-01-12

Applicant: HITACHI, LTD.

Inventor： Masanao TERADA ,  Yuki NAKAI ,  Yoichi OSHITA ,  Hiroaki HASHIMOTO ,  Hajime URAI ,  Katsuhiko SHIRAISHI

IPC: H01H33/42

CPC classification number: H01H33/42 ,  H01H3/42 ,  H01H3/46 ,  H01H2033/028

Abstract: A bidirectional driving mechanism 10 has a drive-side linkage rod 11, a driven-side linkage rod 13, two levers 12 that link the drive-side linkage rod with the driven-side linkage rod, and a guide 14 that regulates the operation of the drive-side linkage rod 11 and the driven-side linkage rod 13. A moveable pin 18 is passed through a first groove cam 16 of the drive-side linkage rod 11, a second groove cam 17 of the guide 14, and third groove cams 19 of the levers 12, and by operation of the drive-side rod 13, the moveable pin 18 moves within the respective groove cams 16, 17, 19, causing the levers 12 to rotate, the driven-side linkage rod 13 to be driven in a direction opposite to the drive-side linkage rod 11, and a driven-side arc electrode 5 to be driven in a direction opposite to a drive-side arc electrode 4.

公开(公告)号：US20170062157A1

公开(公告)日：2017-03-02

申请号：US15242944

申请日：2016-08-22

Applicant: Hitachi, Ltd.

Inventor： Masanao TERADA ,  Katsuhiko SHIRAISHI ,  Yoichi OSHITA

IPC: H01H33/42 ,  H01H33/91

CPC classification number: H01H33/42 ,  H01H33/91 ,  H01H2033/028 ,  H01H2221/088

Abstract: A gas circuit breaker includes a driving side electrode having a driving side main contact and a driving side arc contact, and a driven side electrode having a driven side main contact and a driven side arc contact in a sealed tank. The driving side electrode is connected to an operation device. The driven side electrode is coupled to a bidirectional driving mechanism unit. A sliding guide, on which the driven side main contact slides, is provided on an inner periphery side of the driven side main contact. The driven side main contact is energized by a coil spring in a direction of the sliding guide and has two contact surfaces. Only during normal conduction, one of the contact surfaces contacts a projected portion of the sliding guide and the other of the contact surfaces contacts the driving side main contact.

Abstract translation: 气体断路器包括具有驱动侧主触头和驱动侧电弧触点的驱动侧电极和在密封箱中具有从动侧主触头和从动侧电弧接触的从动侧电极。 驱动侧电极连接到操作装置。 从动侧电极耦合到双向驱动机构单元。 从动侧主触头滑动的滑动导向件设置在从动侧主触头的内周侧。 从动侧主触头由螺旋弹簧沿滑动导向件的方向通电，并且具有两个接触表面。 仅在正常导通期间，其中一个接触表面接触滑动导向件的突出部分，另一个接触表面接触驱动侧主触点。

公开(公告)号：US20160268076A1

公开(公告)日：2016-09-15

申请号：US15029464

申请日：2014-10-02

Applicant: HITACHI, LTD.

Inventor： Hisashi URASAKI ,  Makoto HIROSE ,  Masataka SASAKI ,  Yoichi OSHITA ,  Yasuaki AOYAMA

IPC: H01H33/36 ,  H01H33/88 ,  H01H33/59

CPC classification number: H01H33/36 ,  H01H9/167 ,  H01H33/59 ,  H01H33/88 ,  H01H47/02 ,  H01H2003/268 ,  H02K41/02 ,  H02P6/006

Abstract: The invention provides a switchgear that is capable of increasing a degree of freedom of a position of a moving arcing contact in a circuit breaker, does not require dimension management of components and a mechanism for adjusting a position of the moving arcing contact, and is capable of simplifying fabrication of components and assembly of devices and reducing cost. The switchgear according to the invention includes: a circuit breaker that is configured of a fixed arcing contact installed at a fixed-side conductor and a moving arcing contact installed at a moving electrode that opens and closes with respect to the fixed arcing contact; a linear motor that generates drive force for operating the moving arcing contact; a position detecting device that detects a position of a moving element of the linear motor; a contact detecting device that detects a contact state between the fixed arcing contact and the moving arcing contact; and a control device that sets a moving range of the moving arcing contact by controlling a voltage and a phase to be supplied to the linear motor based on the contact state between the fixed arcing contact and the moving arcing contact, which is detected by the contact detecting device, and position information of the moving element of the linear motor, which is detected by the position detecting device.

Abstract translation: 本发明提供一种开关装置，其能够增加断路器中的动电弧触头的位置的自由度，不需要元件的尺寸管理和用于调节移动电弧触点的位置的机构，并且能够 简化组件的制造和装置的组装并降低成本。 根据本发明的开关装置包括：断路器，其由安装在固定侧导体上的固定电弧触点和安装在相对于固定电弧触点断开的移动电极的移动电弧触点构成; 线性电动机，其产生用于操作所述移动电弧触点的驱动力; 位置检测装置，其检测所述线性电动机的移动体的位置; 接触检测装置，其检测固定电弧触点和移动电弧触点之间的接触状态; 以及控制装置，其通过基于由触点检测到的固定电弧触点和移动电弧触点之间的接触状态来控制要提供给线性电动机的电压和相位来设定移动电弧触点的移动范围 检测装置和由位置检测装置检测的线性电动机的运动元件的位置信息。