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1. 发明专利

JP2009260006A Current sensor 有权
标题翻译：电流传感器
公开(公告)号：JP2009260006A
公开(公告)日：2009-11-05
申请号：JP2008106715
申请日：2008-04-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NISHIURA RYUICHI , MAKITA AKIRA , NISHIZAWA HIROSHI , YOSHIDA TADAHIRO , KIN TAIGEN
IPC分类号： H01F38/28 , G01R15/18
CPC分类号： H01F3/10 , H01F3/14 , H01F17/0033 , H01F27/346 , H01F30/16 , H01F38/30 , H01F2027/2814
摘要： PROBLEM TO BE SOLVED: To provide a current sensor which can keep measurement accuracy without providing a feedback circuit and can measure a large current by using a compact core than heretofore. SOLUTION: A core 1 is divided by alternately arranging a plurality of magnetic bodies 3 and a plurality of non-magnetic bodies 4 in a circumferential direction of the core through which a primary conductor 5 penetrates. Under conditions that each core cross section of the core 1 including a cut if each conductor 2a of a secondary winding 2 wound around the core 1, and that ratios between a magnetic body cross section area in the core cross section and a non-magnetic body cross section area of the non-mangetic body are the same at each core cross section, the conductor is wound around the core. Furthermore, the core 1 has a plurality of divided cores, and ratios between the magnetic body cross section area and the non-magnetic cross section area at each divided core are different from each other. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种电流传感器，其可以在不提供反馈电路的情况下保持测量精度，并且可以通过使用紧凑的核心来测量大电流。解决方案：通过在芯体的圆周方向上交替布置多个磁体3和多个非磁性体4来分割磁芯1，主导体5穿过芯体。在芯子1的每个芯横截面包括切割的条件下，如果绕在芯1上的次级绕组2的每个导体2a，以及芯横截面中的磁体横截面积与非磁性体之间的比率在每个核心横截面处，非管状体的横截面面积相同，导体围绕芯部缠绕。此外，芯体1具有多个分割的芯部，并且在每个分割的芯部的磁体横截面积与非磁性横截面积之间的比例彼此不同。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2010170876A Circuit breaker 审中-公开
标题翻译：电路断路器
公开(公告)号：JP2010170876A
公开(公告)日：2010-08-05
申请号：JP2009012940
申请日：2009-01-23
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NAKAGAWA ATSUSHI , MAKITA AKIRA , OGURA KENTARO , IIZUKA TAKASHI
IPC分类号： H01H73/18 , H01H73/02
摘要： PROBLEM TO BE SOLVED: To provide a circuit breaker, wherein wear of a contact is reduced by communicating an arc sticking between the contacts at high speed.
SOLUTION: The arc 10 generated between a movable electrode contact 21 and a fixed electrode contact 31 at the time of electrode opening can be quickly communicated between a pointed head of a movable electrode 20 and a projection 82 by preparing the projection 82 on a fixed electrode side arc runner conductor 80. Consequently, the circuit breaker capable of reducing consumption of both contacts and retaining contact pressure between both contacts after performing a plurality of circuit breaking can be provided.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种断路器，其中通过以高速传递触点之间的电弧而使接触件的磨损减小。解决方案：在电极打开时在可动电极接触件21和固定电极接触件31之间产生的电弧10可通过将突出部82准备在可动电极20的尖头与突起82之间而快速地连通固定电极侧电弧流道导体80.因此，可以提供能够在执行多个电路断路之后能够减少两个触点的消耗并保持两个触点之间的接触压力的断路器。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010109074A Released type electromagnet apparatus 有权
标题翻译：发布型电磁铁设备
公开(公告)号：JP2010109074A
公开(公告)日：2010-05-13
申请号：JP2008278411
申请日：2008-10-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SUGIMOTO YASUHIRO , NOMURA TOSHIMITSU , MAKITA AKIRA
IPC分类号： H01F7/16 , H01F7/121 , H01H71/32 , H01H73/36
摘要： PROBLEM TO BE SOLVED: To provide a released type electromagnet apparatus in which release property is stable by stabilizing the magnetic resistance between a plunger and an end yoke.
SOLUTION: The released type electromagnet apparatus 1 with the plunger part which is configured such that, when a plunger 6a is in contact with a transfer yoke 9, the plunger 6a is held in the contact position based on the adsorption power of a permanent magnet 7, and when a current is applied to an electro-magnetic coil 3, the adsorption power is reduced, and the plunger 6a moves by being released in the direction away from the transfer yoke based on the biasing force of a release spring. The plunger part 6 includes a plunger guide serving as a slide bearing which slides in an inner periphery surface of the end yoke, while ensuring magnetic gap between the plunger and the inner periphery surface which forms a through-hole of the end yoke.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过稳定柱塞和端部磁轭之间的磁阻，提供释放特性稳定的释放式电磁铁装置。解决方案：具有柱塞部分的释放型电磁体装置1被构造成使得当柱塞6a与转移轭9接触时，柱塞6a基于吸附力保持在接触位置永磁体7，并且当电流施加到电磁线圈3时，吸附力减小，并且柱塞6a基于释放弹簧的偏置力沿远离转移轭的方向而移动。柱塞部6包括作为滑动轴承的柱塞导向件，该滑动轴承在端部轭的内周面滑动，同时确保柱塞与形成端部磁轭的通孔的内周面之间的磁隙。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2010092806A Circuit breaker 有权
标题翻译：电路断路器
公开(公告)号：JP2010092806A
公开(公告)日：2010-04-22
申请号：JP2008264151
申请日：2008-10-10
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KUBO KAZUKI , HAMANO KOJI , INABA YOSHIJI , KUMADA TERUHIKO , OGURA KENTARO , MAKITA AKIRA , MURAI MICHIO
IPC分类号： H01H73/18 , H01H9/36 , H01H33/08 , H01H33/10
摘要： PROBLEM TO BE SOLVED: To suppress an overcurrent low and improve a current-limiting performance in order to reduce thermal and electromagnetic load to constituting parts in downsizing of a breaker. SOLUTION: This circuit breaker is equipped with a fixed contactor furnished with a fixed contact, a movable contactor furnished with a movable contact, an open-close mechanism in which the movable contactor is actuated and the fixed contact and the movable contact are opened and closed, and an arc-extinguishing device to extinguish arc generated when the fixed contact and the movable contact in a contact state are separated. At a part exposed to the generated arc, an insulating molding material for arc-extinguishing is arranged which contains at least either one of an aliphatic polyester resin or a resin in which polysaccharides are used as a raw material. By such a constitution, by a gas generated by exposure to the arc, the overcurrent in a large current break can be suppressed low and the circuit breaker superior in breaking performance can be obtained. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题为了减小断路器的小型化中的构成部件的热和电磁负载，为了抑制过电流低，提高限流性能。
解决方案：该断路器配备有配备有固定触点的固定接触器，配备有可动触头的可动触头，开闭机构，活动触头被致动，固定触点和可动触头是打开和关闭的灭弧装置，以及当接触状态下的固定触点和可动触点分离时产生的电弧熄灭的灭弧装置。在暴露于产生的电弧的部分，布置有用于灭弧的绝缘成型材料，其包含脂肪族聚酯树脂或其中使用多糖作为原料的树脂中的至少一种。通过这样的结构，通过由电弧产生的气体，可以将大电流断路时的过电流抑制得较低，能够得到优异的断路性能的断路器。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010020975A Circuit breaker 有权
标题翻译：电路断路器
公开(公告)号：JP2010020975A
公开(公告)日：2010-01-28
申请号：JP2008179090
申请日：2008-07-09
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： OGURA KENTARO , TAKEUCHI TOSHIE , YOSHIDA TADAHIRO , MAKITA AKIRA , NAKAGAWA ATSUSHI , IIZUKA TAKASHI
IPC分类号： H01H73/18 , H01H9/34 , H01H9/38
摘要： PROBLEM TO BE SOLVED: To solve problems that if a continuous arc at arc-extinguishing plates does not maintain by effects of pressure gradient of the peripheries of the arc-extinguishing plates, an electromagnetic force or the like from a current path of the arc-extinguishing plates, an exhaust port is clogged with metal droplets from the melted arc-extinguishing plates, conductors or the like, a peeled-off insulating material or the like, and flow passage resistance to the outside is increased, and that even if the arc is exhausted from the arc-distinguishing plates by above two actions, generation of an electrode voltage drop, a cooling effect of the arc or the like are not applied, and the arc voltage is reduced and a current-limiting performance is reduced.
SOLUTION: This circuit breaker includes a fixed contact, a movable contact contacted with and separated from this fixed contact, an arc-extinguishing device in which a plurality of the arc-extinguishing plates to divide and extinguish the arc generated between the fixed contact and the movable contact when opening of and separating from this movable contact are arranged, and the fixed contact side and the movable contact side arc traveling conductors wherein the arc is guided to the arc-extinguishing device. The arc traveling conductors and the arc-extinguishing device are respectively opposed by a prescribed gap, and at either one or both of the opposing faces of the arc traveling conductors and the outermost side arc-extinguishing plate, an electric field enhancing part to enhance an electric field is installed.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了解决如果灭弧板的连续弧由于灭弧板的周边的压力梯度的影响而不能保持的电磁力等的电磁力等的问题灭弧板，排气口被来自熔融的灭弧板，导体等的金属液滴，剥离的绝缘材料等堵塞，并且流过对外部的阻力增加，甚至如果通过上述两种动作从电弧分离板排出电弧，则不施加电极电压降，电弧的冷却效果等，电弧电压降低，限流性能降低。
解决方案：该断路器包括固定触点，与该固定触点接触和分离的可动触头，灭弧装置，其中多个灭弧板分割和熄灭固定在与该可动触头断开并分离时，接触和可动触头配置，固定触点侧和可动触头侧电弧行进导体，其中电弧被引导到灭弧装置。电弧行进导体和灭弧装置分别与规定的间隙相对，在电弧移动导体和最外侧的灭弧板的相对面的任一个或两个相反的面上，形成电场增强部，电场安装。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009026651A Electromagnetic relay 有权
标题翻译：电磁继电器
公开(公告)号：JP2009026651A
公开(公告)日：2009-02-05
申请号：JP2007189789
申请日：2007-07-20
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MORINAGA CHIHIRO , KOBAYASHI TETSUYA , KURODA ATSUFUMI , TOYAMA NAOHIRO , TAKEUCHI TOSHIE , MAKITA AKIRA
IPC分类号： H01H50/64 , H01H50/20 , H01H51/12
摘要： PROBLEM TO BE SOLVED: To provide an electromagnetic relay to be built in a small distribution board or a meter box, having simple construction for opening/closing a plurality of circuits to open a load circuit only in a special condition.
SOLUTION: The electromagnetic relay comprises a casing 100a formed to be built in the small distribution board, and fixed contact side terminal fittings 1, 3 and movable contact side terminal fittings 2, 4 each arranged with one end exposed to the outer face of the casing 100a. In the casing 100a, fixed contacts 1a, 3a and elastic-material movable contacts 2a, 4a are provided at the other ends of the fixed contact side terminal fittings 1, 3 and at the other ends of the movable contact side terminal fittings 2, 4, respectively. Herein, an actuator 50 is reciprocated with a control signal to open/close the fixed contacts 1a, 3a and the movable contacts 2a, 4a.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种内置在小配电板或仪表箱中的电磁继电器，具有简单的结构，用于打开/关闭多个电路以仅在特殊情况下打开负载电路。解决方案：电磁继电器包括形成为内置在小配电板中的壳体100a和固定接触侧端子接头1,3和可动接触侧端子接头2,4，每个端子接头配置为一端暴露于外表面的壳体100a。在壳体100a中，在固定接触侧端子配件1,3的另一端设置有固定触点1a，3a和弹性材料可动触点2a，4a，在可动触点侧端子配件2,4的另一端，分别。这里，致动器50通过控制信号往复运动，以打开/关闭固定触点1a，3a和可动触头2a，4a。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2011065809A Circuit breaker 有权
标题翻译：电路断路器
公开(公告)号：JP2011065809A
公开(公告)日：2011-03-31
申请号：JP2009214342
申请日：2009-09-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： NAKAGAWA ATSUSHI , MAKITA AKIRA , OGURA KENTARO , IIZUKA TAKASHI
IPC分类号： H01H73/18 , H01H9/34 , H01H33/65
摘要： PROBLEM TO BE SOLVED: To obtain a compact circuit breaker with excellent current-limiting performance by enabling to effectively utilize a plurality of arc-extinguishing plates installed for generation of high arc voltage, through improvement of degradation of exhaust efficiency caused by contraction of an exhaust channel in accordance with downsizing in outer dimension of the breaker. SOLUTION: Out of a pair of arc runners 5, 10 arranged so as to pinch an arc-extinguishing chamber 13 at each end part, an opening at a side of an exhaust port 14 between the arc runner nearer to an exhaust port 14 and an arc-extinguishing plate 11 opposed to the arc runner is blocked with an insulating member. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过能够有效地利用安装用于产生高电弧电压的多个灭弧板，通过改善由收缩引起的排气效率的劣化，获得具有优异的限流性能的紧凑型断路器根据断路器外形尺寸的小型化，排气通道。解决方案：在一对电弧流道5,10中，布置成在每个端部处夹住灭弧室13，在靠近排气口的电弧流道之间的排气口14侧的开口与电弧流道相对的灭弧板11被绝缘部件堵塞。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2008289255A Apparatus and method for monitoring 审中-公开
标题翻译：装置和监测方法
公开(公告)号：JP2008289255A
公开(公告)日：2008-11-27
申请号：JP2007130784
申请日：2007-05-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： HORI JUNJI , SHINDOI MASARU , HIRAI TAKASHI , MAKITA AKIRA
IPC分类号： H02H5/04
摘要： PROBLEM TO BE SOLVED: To provide a monitoring apparatus that uses a small coil as power supply and detects a busbar temperature through simple circuitry.
SOLUTION: The monitoring apparatus includes: a sensor RF unit 3 that detects the temperature of a busbar and transmits the data of the detected temperature to the outside; a power supply unit 2 that has a power generating coil 2a for generating power by an alternating-current magnetic field produced by current passage through the busbar and a charging portion 2d for charging power generated by the power generating coil 2a and supplies power charged in the charging portion 2d to the sensor RF unit 3 for driving; and an enclosure 4 that houses the sensor RF unit 3 and the power supply unit 2 within a dimensional range not exceeding the busbar width and is fixed on the busbar.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用小线圈作为电源的监控装置，并通过简单的电路检测母线温度。检测装置包括：传感器RF单元3，其检测母线的温度并将检测到的温度的数据传送到外部; 电源单元2，其具有用于通过通过母线的电流通过产生的交流磁场产生电力的发电线圈2a和用于对由发电线圈2a产生的充电电力的充电部2d，充电部2d到用于驱动的传感器RF单元3; 以及在不超过母线宽度的尺寸范围内容纳传感器RF单元3和电源单元2并固定在母线上的外壳4。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008027720A Circuit breaker 有权
标题翻译：电路断路器
公开(公告)号：JP2008027720A
公开(公告)日：2008-02-07
申请号：JP2006198814
申请日：2006-07-21
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MAKITA AKIRA , FUKUTANI KAZUNORI , HIROTSUNE KOJI , OKAMOTO SHINICHI
IPC分类号： H01H33/38
摘要： PROBLEM TO BE SOLVED: To make a breaking action at short-circuit current breaking quicken and stabilize and also make switching actions process with saving electric current other than the time of short-circuit current breaking, and improve reliability in a breaking action at short-circuit current breaking with assuring a saving electric current operation in a switching action other than the time of short-circuit current breaking.
SOLUTION: In a circuit breaker equipped with a solenoid operation mechanism 103 carrying out a switching operation, the solenoid operation mechanism 103 is provided with a first operation coil 1 for carrying out a switching action at the time of closing operation, and a second operation coil 2 having smaller inductance than the first operation coil 1 for carrying out a switching action at the time of short-circuit current breaking.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了使短路电流的断路加速稳定，并且除了短路电流断开以外，还能够节省电流而进行开关动作，提高断路动作的可靠性在短路电流断开时，确保在短路电流断开以外的开关动作中节省电流运行。解决方案：在具有执行切换操作的螺线管操作机构103的断路器中，螺线管操作机构103设置有用于在关闭操作时执行切换动作的第一操作线圈1，以及第二操作线圈2的电感小于第一操作线圈1，用于在短路电流断开时进行开关动作。版权所有（C）2008，JPO＆INPIT

10. 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

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