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11. 发明专利

JP2012239368A Motor and electric apparatus using the same 审中-公开
标题翻译：使用相同的电机和电器
公开(公告)号：JP2012239368A
公开(公告)日：2012-12-06
申请号：JP2011193564
申请日：2011-09-06
申请人： Panasonic Corp , パナソニック株式会社
发明人： ISOMURA YOSHINORI , MAETANI TATSUO , WATANABE AKIHIKO
IPC分类号： H02K5/16 , H02K5/08
摘要： PROBLEM TO BE SOLVED: To provide a motor inverter-driven by a PWM method, capable of suppressing a bearing from causing electrolytic corrosion.SOLUTION: A motor includes: a stator including a stator core wound with a winding; a rotor facing the stator and retaining a permanent magnet in the peripheral direction; a rotating element including a shaft tightening the rotor to penetrate through the center of the rotor; a bearing supporting the shaft; and two brackets fixing the bearing. The motor is structured so that an axis voltage generated between an inner ring and an outer ring of the bearing is suppressed compared with a withstand voltage of the bearing unit.
摘要翻译：要解决的问题：提供一种通过PWM方式驱动的电动机逆变器，能够抑制轴承产生电解腐蚀。电动机包括：定子，其包括缠绕有绕组的定子铁心; 定子面向定子并沿周向保持永磁体; 旋转元件，包括紧固转子以穿过转子的中心的轴; 支撑轴的轴承; 和两个支架固定轴承。电动机被构造成使得与轴承单元的耐受电压相比，抑制轴承内圈和外圈之间产生的轴电压。版权所有（C）2013，JPO＆INPIT

12. 发明专利

JP2012039875A Motor and electric device equipped with the same 有权
标题翻译：装有电机和电器的设备
公开(公告)号：JP2012039875A
公开(公告)日：2012-02-23
申请号：JP2011257544
申请日：2011-11-25
申请人： Panasonic Corp , パナソニック株式会社
发明人： MIZUKAMI HIROFUMI , WATANABE AKIHIKO
IPC分类号： H02K5/16
CPC分类号： H02K11/40 , H02K1/278 , H02K1/30 , H02K5/1732
摘要： PROBLEM TO BE SOLVED: To provide a motor and an electric device equipped with the motor which prevents electric corrosion from occurring in a bearing.SOLUTION: A motor comprises: a stator including a stator iron core (11) around which a winding is wound; a rotor including a rotating body (30) facing the stator and holding a plurality of permanent magnets (32) in a circumferential direction and a shaft (16) coupled with the rotating body (30) in a manner that penetrates the center of the rotating body (30); a bearing (15) supporting the shaft(16); and a bracket (17) fixing the bearing (15). A dielectric layer (50) is formed between the shaft and the outer periphery of the rotating body to have higher impedance between the stator iron core and the shaft.
摘要翻译：要解决的问题：提供一种装备有电动机的电动机和电气装置，其防止在轴承中发生电腐蚀。电动机包括：定子，其包括定子铁芯（11），绕组绕其缠绕; 转子，其包括面向定子的旋转体（30），并且沿圆周方向保持多个永磁体（32），以及与旋转体（30）联接的轴（16），其以穿过旋转体身体（30）; 支撑轴（16）的轴承（15）; 和固定轴承（15）的支架（17）。在轴与旋转体的外周之间形成介电层（50），以在定子铁芯和轴之间具有更高的阻抗。版权所有（C）2012，JPO＆INPIT

13. 发明专利

JP2010035407A Electric motor, brushless motor, output shaft bearing portion of electric motor, and output shaft bearing portion of brushless motor 审中-公开
标题翻译：电动马达，无刷马达，电动马达输出轴承轴承及无刷马达的输出轴承轴承
公开(公告)号：JP2010035407A
公开(公告)日：2010-02-12
申请号：JP2009112449
申请日：2009-05-07
申请人： Panasonic Corp , パナソニック株式会社
发明人： KONDO MOTOTERU , MIZUKAMI HIROFUMI , WATANABE AKIHIKO , KISHI KAZURO , HASEGAWA TAKEHIKO
IPC分类号： H02K5/16 , H02K5/08 , H02K29/00
摘要： PROBLEM TO BE SOLVED: To solve the problem that countermeasure is required against radio frequency electrolytic corrosion(wavelike wear phenomenon), which may occur at an output shaft bearing portion, even though high efficiency improvement is required for an air-conditioning brushless motor or the like and the PWM driving system is adopted especially. SOLUTION: An inner ring 151a, a tumbling member 151b arranged at a perimeter portion of the inner ring 151a, an outer ring 151c for supporting the tumbling member 151b together with the inner ring 151a, and a sealing plate 151d arranged in contact with the inner ring 151a and the outer ring 151b while covering a side section of the tumbling object 151b are provided. The sealing plate 151d has a conductive sliding portion 151e at least on a portion thereof. The conductive sliding portion consists of two or more conductive thin wire members 151e prepared at least on a portion of the sealing plate 151d. One end of the conductive thin wire member is connected to the sealing plate 151d, and the other end of the conductive thin wire member 151e is put in contact with the inner ring 151a or the outer ring 151c in this constitution. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了解决在输出轴承部分可能发生的射频电解腐蚀（波纹磨损现象）所需的对策的问题，尽管空调无刷电机需要高效率的改进电动机等，特别是PWM驱动系统。解决方案：内圈151a，布置在内环151a的周边部分的翻转构件151b，用于将内滚圈151a一起支撑翻转构件151b的外圈151c和接触布置的密封板151d 设置内圈151a和外圈151b同时覆盖翻转物体151b的侧部。密封板151d至少在其一部分上具有导电滑动部分151e。导电滑动部分由至少在密封板151d的一部分上制备的两个或多个导电细线构件151e组成。导电性细线构件的一端与密封板151d连接，导电性细线构件151e的另一端以这种结构与内圈151a或外圈151c接触。版权所有（C）2010，JPO＆INPIT

14. 发明专利

JP2014128044A Winding method of electric motor 审中-公开
标题翻译：电动机绕组方式
公开(公告)号：JP2014128044A
公开(公告)日：2014-07-07
申请号：JP2012280660
申请日：2012-12-25
申请人： Panasonic Corp , パナソニック株式会社
发明人： WATANABE AKIHIKO , FUJIYA ITSUHITO
IPC分类号： H02K15/095 , H01F41/06
摘要： PROBLEM TO BE SOLVED: To provide a winding method of an electric motor using an aluminum wire as a winding wire, the method being capable of solving a problem in removal of an aluminum oxide layer when winding the wire on an iron core etc. in the preceding stage, in which the stability of wire diameter at the end of the winding wire is the prerequisite; but if the diameter of the wound wire at the end thereof is uneven, it may cause a breakage of the electric wire while removing the insulating film or a remaining of insulating film resulting in increase of the manufacturing failure ratio of the electric motor or a reduction of quality of soldering.SOLUTION: The winding method of an electric wire on an iron core including plural magnetic poles and a yoke connecting therebetween, in which the winding is performed while controlling a tension A which is applied at the winding start end before winding the wire on the magnetic pole; a tension B which is applied to the wire being wound on the magnetic pole; and a tension C which is applied to the wire at the winding termination end of the wire after wound on the magnetic pole.
摘要翻译：要解决的问题：为了提供使用铝线作为绕组线的电动机的绕线方法，该方法能够解决在将线缠绕在铁芯等上时的氧化铝层的去除问题线圈末端的线径稳定性为前提; 但是如果卷绕线末端的直径不均匀，则可以在去除绝缘膜的同时导致电线断裂，或剩余的绝缘膜导致电动机的制造故障率的增加或减少的焊接质量。解决方案：在包括多个磁极和连接在其间的磁轭的铁芯上的电线的缠绕方法，其中绕组被执行，同时控制在绕组开始端施加的张力A，电线上的磁极; 施加到缠绕在磁极上的线的张力B; 以及在卷绕在磁极上之后施加到线的绕组终止端处的线的张力C.

15. 发明专利

JP2013085441A Mold motor 审中-公开
标题翻译：模具电机
公开(公告)号：JP2013085441A
公开(公告)日：2013-05-09
申请号：JP2012021927
申请日：2012-02-03
申请人： Panasonic Corp , パナソニック株式会社
发明人： ISOMURA YOSHINORI , MAETANI TATSUO , WATANABE AKIHIKO
IPC分类号： H02K5/16 , H02K5/08 , H02K5/173
摘要： PROBLEM TO BE SOLVED: To provide an anti-electrolytic-corrosion mold motor capable of solving increased cost and low reliability caused from use of a ceramic-made bearing and a bearing using conductive grease.SOLUTION: A mold motor according to the present invention includes a steel-plate-made or aluminum-die-casted bracket and a stator where a stator coil is wound in a slot of a stator core. The bracket and the stator are integrally molded with mold resin into the mold motor. A coating layer made of an insulation material is formed on a surface of a bearing housing part of the bracket in the mold motor. The coating layer has a withstand voltage of 10 V or higher. This can secure insulation between a bearing and the bracket and prevent electrolyte-corrosion.
摘要翻译：要解决的问题：提供一种抗电解腐蚀模具电动机，其能够解决使用陶瓷制轴承和使用导电油脂的轴承导致的成本增加和可靠性低的电解腐蚀模具电动机。解决方案：根据本发明的模具电动机包括钢板或铝压铸支架和定子线圈缠绕在定子芯的槽中的定子。支架和定子与模具树脂一体地模制到模具电机中。在模具电机的支架的轴承壳体的表面上形成由绝缘材料制成的涂层。涂层的耐电压为10V以上。这可以确保轴承和支架之间的绝缘，并防止电解液腐蚀。版权所有（C）2013，JPO＆INPIT

16. 发明专利

JP2013085416A Brushless motor 审中-公开
标题翻译：无刷电机
公开(公告)号：JP2013085416A
公开(公告)日：2013-05-09
申请号：JP2011224662
申请日：2011-10-12
申请人： Panasonic Corp , パナソニック株式会社
发明人： HASEGAWA TAKEHIKO , WATANABE AKIHIKO , SUMI HARUHIKO
IPC分类号： H02K1/27 , H02K1/30 , H02K5/16
摘要： PROBLEM TO BE SOLVED: To provide a lower-priced, noise-reduced, and highly-efficient brushless motor.SOLUTION: A brushless motor comprises an exterior iron core 3a having a plurality of groove holes, permanent magnets 2 each embedded in the plurality of groove holes, and an interior iron core 3b coupled to an output shaft, the brushless motor being integrally structured with a resin 4 that has an insulating capacity. The interior iron core 3b coupled to the output shaft and the exterior iron core 3a are insulated by a resin that has an insulating capacity, and the permanent magnets 2 embedded in the exterior iron core 3a are covered by the resin 4 at both side surfaces of the shaft direction, and the surfaces in contact with the exterior iron core are partially or fully covered by the resin 4.
摘要翻译：要解决的问题：提供低价，低噪音，高效率的无刷电机。解决方案：无刷电动机包括具有多个槽孔的外部铁芯3a，每个埋入多个槽孔中的永磁体2和与输出轴连接的内部铁芯3b，该无刷电动机一体地由具有绝缘能力的树脂4构成。连接到输出轴和外部铁芯3a的内部铁芯3b被具有绝缘能力的树脂绝缘，并且嵌入在外部铁芯3a中的永磁体2被树脂4覆盖在两侧表面轴方向和与外部铁芯接触的表面部分或完全被树脂4覆盖。版权所有（C）2013，JPO＆INPIT

17. 发明专利

JP2013066252A Motor and electrical apparatus provided with the same 审中-公开
标题翻译：电动机和电动机提供
公开(公告)号：JP2013066252A
公开(公告)日：2013-04-11
申请号：JP2011193565
申请日：2011-09-06
申请人： Panasonic Corp , パナソニック株式会社
发明人： ISOMURA YOSHINORI , MAETANI TATSUO , WATANABE AKIHIKO
IPC分类号： H02K5/16 , H02K1/00 , H02K5/08 , H02K5/173
摘要： PROBLEM TO BE SOLVED: To prevent electric corrosion of a bearing in a motor that is driven by a PWM inverter.SOLUTION: A motor includes a stator, a rotating body, a bearing, and two brackets. The stator has a stator core with windings wound therearound. The rotating body includes: a rotor that faces the stator and holds permanent magnets along a circumferential direction thereof; and a shaft that fastens the rotor thereto so as to pass through the center of the rotor. The bearing holds the shaft. The two brackets fix the bearing. Shaft voltage generated between an inner ring and an outer ring of the bearing is set lower than withstand voltage of the bearing itself.
摘要翻译：要解决的问题：防止由PWM逆变器驱动的电机中的轴承电腐蚀。解决方案：电动机包括定子，旋转体，轴承和两个支架。定子具有绕绕绕组的绕组的定子芯。旋转体包括：转子，其面向定子并沿其圆周方向保持永磁体; 以及将转子固定到其上的轴，以便通过转子的中心。轴承固定轴。两个支架固定轴承。轴承内圈和外圈之间产生的轴压设定为低于轴承本身的耐压。版权所有（C）2013，JPO＆INPIT

18. 发明专利

JP2012222841A Motor and electric appliance equipped with the same 审中-公开
标题翻译：具有相同功能的电机及电器
公开(公告)号：JP2012222841A
公开(公告)日：2012-11-12
申请号：JP2011082482
申请日：2011-04-04
申请人： Panasonic Corp , パナソニック株式会社
发明人： ISOMURA YOSHINORI , MAETANI TATSUO , WATANABE AKIHIKO , SUMI HARUHIKO , KOWA TAKESHI
IPC分类号： H02K5/16 , H02K5/04 , H02K5/08 , H02K5/173
摘要： PROBLEM TO BE SOLVED: To provide a motor whose degradation caused by electrical erosion at a bearing is suppressed, and to provide an electrical appliance equipped with it.SOLUTION: The motor includes a stator 10 which is integrally molded with a fixing member containing a stator core 11 on which a stator winding 12 is wound by using an insulating resin 13, a rotor 14 arranged to face the stator 10 with a shaft 16 as a center, two bearings 15a and 15b supporting a shaft 16 for free rotation, and a bracket 17 for fixing the bearings. An outer ring of either of the two bearings 15a and 15b is electrically insulated from an inner ring thereof.
摘要翻译：要解决的问题：提供一种抑制轴承电侵蚀引起的劣化的电动机，并提供配备有电动机的电器。电动机包括定子10，该定子10与包含定子铁芯11的固定部件整体成型，定子铁心11通过使用绝缘树脂13卷绕在定子绕组12上;转子14，其以轴16为中心，支撑用于自由旋转的轴16的两个轴承15a和15b以及用于固定轴承的支架17。两个轴承15a和15b中的任一个的外圈与其内环电绝缘。版权所有（C）2013，JPO＆INPIT

19. 发明专利

JP2010166689A Electric motor and electric apparatus including the motor 有权
标题翻译：包括电机的电机和电器
公开(公告)号：JP2010166689A
公开(公告)日：2010-07-29
申请号：JP2009006486
申请日：2009-01-15
申请人： Panasonic Corp , パナソニック株式会社
发明人： SUMI HARUHIKO , MIZUKAMI HIROFUMI , WATANABE AKIHIKO , HASEGAWA TAKEHIKO
IPC分类号： H02K1/28 , H02K5/16
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of electric corrosion of a bearing in an electric motor driven by an inverter in a PWM system.
SOLUTION: The electric motor is provided with: a stator which includes a stator core wound with windings; a rotating body 30 which holds a plurality of magnets 32 facing the stator in the circumferential direction; a shaft 16 coupled to the rotating body so as to penetrate the center of the rotating body 30; an outer core 31a which constitutes the outside circumferential part of the rotating body 30; an inner core 31b, which constitutes the inside circumferential part coupled to the shaft 16; a dielectric layer 50 arranged between the outer core 31a and inner core 31b, a bearing 15, which supports the shaft 16; and a bracket which fixes the bearing. The outer core 31a and inner core 31b are formed by stacking steel plates.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了防止在PWM系统中由逆变器驱动的电动机中的轴承发生电腐蚀。解决方案：电动机设置有：定子，其包括缠绕有绕组的定子铁心; 旋转体30，其沿周向保持面对定子的多个磁体32; 连接到旋转体的轴16，以便穿过旋转体30的中心; 构成旋转体30的外周部的外芯31a; 内芯31b，其构成联接到轴16的内周部; 布置在外芯31a和内芯31b之间的电介质层50，支撑轴16的轴承15; 以及固定轴承的支架。外芯31a和内芯31b通过堆叠钢板形成。版权所有（C）2010，JPO＆INPIT

20. 发明专利

JP2014124082A Motor and electric apparatus including the same 有权
标题翻译：电机和电器包括它们
公开(公告)号：JP2014124082A
公开(公告)日：2014-07-03
申请号：JP2013221932
申请日：2013-10-25
申请人： Panasonic Corp , パナソニック株式会社
发明人： WATANABE AKIHIKO , MIZUKAMI HIROFUMI
IPC分类号： H02K5/16 , H02K11/00
CPC分类号： H02K11/40 , H02K2213/03
摘要： PROBLEM TO BE SOLVED: To reduce a shaft voltage to suppress the occurrence of electric corrosion in a bearing.SOLUTION: A motor includes a stator, a rotary body, a shaft fixed to the rotary body, a pair of bearings, a pair of brackets, and a conduction material for connecting the pair of brackets. When electrostatic capacitance A is capacitance generated between the shaft and the outermost peripheral surface to be the outermost periphery with respect to the shaft center of the rotary body, and electrostatic capacitance B is capacitance generated between a stator core and the conduction material, a relation between the electrostatic capacitance A and the electrostatic capacitance B is 0.50A≤B≤3.08A at a measuring frequency of 10 kHz.
摘要翻译：要解决的问题：减少轴电压以抑制轴承中的电腐蚀的发生。解决方案：电动机包括定子，旋转体，固定到旋转体的轴，一对轴承，一对支架，以及用于连接该对支架的导电材料。当静电电容A是在轴与最外周面之间产生的电容相对于旋转体的轴中心为最外周时，静电电容B为定子铁芯与导电材料之间产生的电容，在10kHz的测量频率下，静电电容A和静电电容B为0.50A≤B≤3.08A。

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