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公开(公告)号：KR101260689B1
公开(公告)日：2013-05-10
申请号：KR1020110128929
申请日：2011-12-05
Applicant: 전자부품연구원
IPC: H02K1/27
Abstract: PURPOSE: A rotor including permanent magnets having different thicknesses and a synchronous motor including thereof are provided to include a plurality of permanent magnets which has different thicknesses according to the distance from the center of a magnet pole, of which the relatively thick portion is disposed at the center of the magnetic pole and the relatively thin portion is disposed on the edge of the magnetic pole, thereby generating high magnetic flux in the central part. CONSTITUTION: A rotor(20) is rotatably installed by being inserted into a rotor insertion hole of a stator. The rotor includes a rotor iron core(21), a plurality of permanent magnets, and a plurality of conductor bars(23). The rotor iron core has a rotating shaft insertion hole(25) at the center; a plurality of permanent magnet insertion holes which is formed on the circumference of the rotating shaft insertion hole; and a plurality of conductor bar insertion holes which is formed on the circumference of the magnet insertion holes. Each of the permanent magnets is respectively inserted into the permanent magnet insertion holes for forming an N pole and an S pole. Each of the conductor bars is respectively inserted into the conductor bar insertion holes.
Abstract translation: 目的：包括具有不同厚度的永磁体和包括其的同步电动机的转子被设置为包括多个永久磁铁，该永磁体具有与磁极中心距离不同的厚度，其中相对厚的部分位于 磁极的中心和相对薄的部分设置在磁极的边缘上，从而在中心部分产生高磁通量。 构成：转子（20）通过插入定子的转子插入孔中而被可旋转地安装。 转子包括转子铁芯（21），多个永磁体和多个导体杆（23）。 转子铁芯在中心具有旋转轴插入孔（25）; 多个永磁体插入孔，形成在旋转轴插入孔的圆周上; 以及形成在磁体插入孔的圆周上的多个导体条插入孔。 每个永久磁铁分别插入用于形成N极和S极的永磁体插入孔中。 每个导体条分别插入导体条插入孔中。
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公开(公告)号：KR1020120108379A
公开(公告)日：2012-10-05
申请号：KR1020110026151
申请日：2011-03-24
Abstract: PURPOSE: A brushless DC motor including a rotor position detecting device is provided to improve the accuracy of detecting the position of a rotor by attaching a sensor adjacent to a magnet in a motor. CONSTITUTION: A rotor position detecting device(40) is arranged in a housing(50) surrounding a rotor(10) and a permanent magnet(60). A sensor(45) of the rotor position detecting device is arranged between shafting(30) and the permanent magnet. A stator(20) has a plurality of teeth shaped coils arranged on a circumference. The permanent magnet is formed on the surface opposite to the coil. The permanent magnet is inserted into a specific area of the rotor.
Abstract translation: 目的：提供一种包括转子位置检测装置的无刷DC电动机，通过将与磁铁相邻的传感器附接到电动机中来提高检测转子位置的精度。 构成：转子位置检测装置（40）布置在围绕转子（10）和永磁体（60）的壳体（50）中。 转子位置检测装置的传感器（45）布置在轴系（30）和永磁体之间。 定子（20）具有设置在圆周上的多个齿形线圈。 永磁体形成在与线圈相反的表面上。 永磁体被插入到转子的特定区域中。
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公开(公告)号：KR101070230B1
公开(公告)日：2011-10-06
申请号：KR1020090102199
申请日：2009-10-27
Applicant: 전자부품연구원
Abstract: 본발명은축방향자속형모터및 그제조방법에관한것으로서, 구조적으로소형화에유리하고주어진공간을최대한활용하여출력밀도를증대시킬수 있으며제작및 조립공정을단순화할수 있는축방향자속형모터및 그제조방법을제공하기위한것이다. 본발명은축방향자속형모터에있어서, 중앙에관통부가형성된원형링 형태이고상기원형링의상부면과하부면중 적어도한 면에복수개의슬롯이돌출형성된고정자코어; 복수개의영구자석이방사상으로설치되고상기고정자코어의한쪽또는양쪽에배치된회전자; 상기고정자코어의상기복수개의슬롯에각각끼워지는복수개의단일코일체; 및중앙에관통부가형성된원형링 형태의바닥면과, 상기바닥면으로부터돌출형성되어상기고정자코어의상기슬롯과상기단일코일체사이에개재되는복수개의슬롯삽입부와, 상기슬롯삽입부외측의홈을구비하는인슐레이터;를포함하는것을특징으로하는축방향자속형모터및 이의제작방법을제공한다.
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公开(公告)号：KR101056341B1
公开(公告)日：2011-08-11
申请号：KR1020090069120
申请日：2009-07-28
Applicant: 전자부품연구원
Abstract: 본 발명은 토크리플(torque ripple) 저감용 영구자석 동기 전동기(Permanent Magnet Syncronous Motor; PMSM)에 관한 것으로, 고정자의 티스(teeth) 단부의 표면 각도와 회전자 표면에 형성된 자속배리어의 유효자극각을 조절하여 토크리플을 최소화하기 위한 것이다. 본 발명에 따른 PMSM은 고정자와 회전자를 포함하여 구성된다. 고정자는 중심 부분이 관통된 원통형의 요크(yoke)와, 요크의 내측면에서 요크의 중심을 향하여 돌출되며, 요크의 중심에 배치될 회전자의 외주면에 근접하게 배치되는 티스를 포함한다. 특히 회전자의 표면과 티스 표면의 간격이 일정한 구간의 비(d/c)를 나타내는 0.45≤d/c≤0.55에 대해서 티스의 끝단부의 두께비(b/a)가 0.4≤b/a≤0.5가 되게 티스를 형성한다. 그리고 회전자의 영구자석의 자극각(e)과 유효자극각(f)의 비(f/e)가 0.9≤f/e＜1이 되게 회전자를 형성한다.
토크리플, PMSM, 티스, 고정자, 회전자Abstract translation: 永磁同步电机技术领域本发明涉及一种用于减少转矩脉动的永磁同步电机（PMSM），并且更具体地涉及一种具有永磁同步电机 最小化转矩波动。 根据本发明的PMSM包括定子和转子。 该定子包括齿即穿孔圆柱体的轭（磁轭）的中心，并朝向所述磁轭的内表面上的磁轭的中心突出，它设置为靠近所述转子的外周面被定位在磁轭的中心。 （b / a）为0.4≤B/a≤0.5时，转子表面与齿面间的间隔（d / c）恒定 形成一颗牙齿。 一旦形成每个磁极（e）和一个有效的磁极角（F）的非 - （F / E）的是0.9≤f/ E <使转子1的永久磁铁的电子。
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公开(公告)号：KR1020110011459A
公开(公告)日：2011-02-08
申请号：KR1020090069122
申请日：2009-07-28
Applicant: 전자부품연구원
Abstract: PURPOSE: A rotor including a cover plate and a permanent magnet synchronous motor using the same are provided to prevent a bridge from being damaged by distributing stress applied to the bridge. CONSTITUTION: A combination hole(22) combined with a rotary shaft is formed in the center of a rotor body(21). The rotor body includes an insertion hole(24) into which a permanent magnet(30) is inserted around the combination hole. The permanent magnet is protruded to the upper and lower sides of the rotor body. A cover plate(50) is combined with the upper and lower sides of the rotor body and fixes the permanent magnet. The cover plate includes an insertion groove and a combination hole(52).
Abstract translation: 目的：提供一种包括盖板和使用其的永磁同步电动机的转子，以防止桥梁受到施加在桥上的应力的损坏。 构成：在转子体（21）的中心形成有与旋转轴组合的组合孔（22）。 转子主体包括插入孔（24），永磁体（30）围绕组合孔插入该插入孔中。 永磁体突出到转子体的上侧和下侧。 盖板（50）与转子体的上侧和下侧组合并固定永磁体。 盖板包括插入槽和组合孔（52）。
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Patent Agency Ranking
公开(公告)号：KR101001609B1
公开(公告)日：2010-12-17
申请号：KR1020080132327
申请日：2008-12-23
Applicant: 전자부품연구원
Abstract: 본 발명은 하수를 이용한 수력 발전 시스템의 임펠러 세정 장치 및 방법에 관한 것으로, 하수관 내에 설치되는 임펠러의 청정도를 일정 수준으로 유지하여 안정적인 수력 발전을 수행할 수 있도록 하기 위한 것이다. 본 발명에 따르면, 임펠러가 내설된 하수관을 통과하는 하수에 의한 상기 임펠러의 회전 속도를 검출하고, 상기 검출된 회전 속도 중 최대 회전 속도가 임계 속도 이하인 경우 세정액을 상기 임펠러로 공급하여 상기 임펠러를 세정하는 하수를 이용한 수력 발전 시스템의 임펠러 세정 장치 및 방법을 제공한다.
하수, 수력, 발전, 세정, 임펠러-
公开(公告)号：KR1020100073611A
公开(公告)日：2010-07-01
申请号：KR1020080132327
申请日：2008-12-23
Applicant: 전자부품연구원
CPC classification number: Y02B10/50 , Y02E10/28 , F03B17/06 , F03B3/12 , F03B11/008 , F05B2220/32
Abstract: PURPOSE: An apparatus and a method for cleaning an impeller of a water power generation system using waste water are provided to keep the impeller clean and thereby ensure stable water power generation. CONSTITUTION: A method for cleaning an impeller of a water power generation system using waste water comprises the steps of: detecting the speed of rotation of the impeller by waste water passing through a drain pipe in which the impeller is built in(S110), if the peak of the detected speed of rotation is under threshold speed(S120), and supplying cleaning solution to the impeller and spraying the cleaning solution to the impeller to wash out foreign materials remaining in the impeller(S130).
Abstract translation: 目的：提供一种使用废水清洁发电系统的叶轮的设备和方法，以保持叶轮清洁，从而确保稳定的水力发电。 构成：使用废水清洁发电系统的叶轮的方法包括以下步骤：通过废水通过内置叶轮的排水管检测叶轮的旋转速度（S110），如果 检测出的旋转速度的峰值处于阈值速度以下（S120），将清洗液供给到叶轮并将清洗液喷射到叶轮上，以清洗留在叶轮中的异物（S130）。
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公开(公告)号：KR1020100013585A
公开(公告)日：2010-02-10
申请号：KR1020080075177
申请日：2008-07-31
Applicant: 전자부품연구원
Abstract: PURPOSE: A PWM converter is provided to proceed a reliable operation and a protective function by recompensing a voltage drop of a capacitor, and to prevent an overcurrent. CONSTITUTION: A PWM converter comprises the following: an AC power source(110) applied in an inductor unit(120); a converter stack(130) composed with a switch and a diode which transforms an AC power from the inductor unit to a DC power; and a direct current capacitor applied the DC power transformed in the converter stack. The converter stack performs a first switching operation and a second switching operation. The first switching operation is for revolving the AC power to the inductor unit until the rising of the voltage in the direct current capacitor. The second switching operation is for applying the transformed DC power to the direct current capacitor.
Abstract translation: 目的：提供PWM转换器，通过对电容器的电压降进行补偿，并防止过电流，进行可靠的运行和保护功能。 构成：PWM转换器包括：施加在电感器单元（120）中的交流电源（110）; 由开关和二极管构成的转换器堆叠（130），其将来自所述电感器单元的AC电力转换为DC电力; 并且直流电容器施加在转换器堆叠中变换的DC电力。 转换器堆栈执行第一切换操作和第二切换操作。 第一次开关操作是将交流电转动到电感器单元，直到直流电容器中的电压上升。 第二开关操作是将变换的直流电力施加到直流电容器。
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公开(公告)号：KR1020090132778A
公开(公告)日：2009-12-31
申请号：KR1020080058932
申请日：2008-06-23
Applicant: 전자부품연구원
IPC: H02K1/12
CPC classification number: H02K3/47
Abstract: PURPOSE: A stator of a coreless motor is provided to largely simplify a process for assembling the stator by combining a plurality of circular coil bodies as one body. CONSTITUTION: Paired single coil bodies(200, 202)(204, 206)(208, 210) are faced with each other. A plurality of circular coil bodies are formed by combining both side end parts of the single coil bodies. The circular coil bodies have a different inside diameter and the thickness of the single coil bodies is uniform.
Abstract translation: 目的：提供一种无芯电机的定子，通过将多个圆形线圈体组合为一体，大大简化了组装定子的工艺。 构成：成对的单线圈体（200,202）（204,206）（208,210）彼此面对。 通过组合单个线圈体的两个侧端部而形成多个圆形线圈体。 圆形线圈体具有不同的内径，单个线圈体的厚度是均匀的。
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公开(公告)号：KR1020160064268A
公开(公告)日：2016-06-08
申请号：KR1020140167067
申请日：2014-11-27
Applicant: 전자부품연구원
IPC: H02K1/22
CPC classification number: Y02T10/641 , H02K1/22 , H02K1/223 , H02K1/226
Abstract: 본발명은계자권선형로터의폴슈부의외주면의곡면형상을변경함과동시에폴슈부내측영역에자속장벽을형성하여폴슈부의과도한형상변형에따른전체사이즈증가없이출력토크저하방지및 토크리플을감소시키는계자권선형모터의로터및 이를갖는계자권선형모터를제공하며, 계자권선형모터의로터는로터코어, 상기로터코어의외주면으로부터돌출되며계자코일이권선되는복수개의티스부및 상기티스부의단부로부터양쪽으로각각연장되며외측면이곡면인폴슈부를포함하며, 상기폴슈부에는상기폴슈부를통과하는자속의밀도를조절하여상기티스부를통과하는자속의밀도를증가시킴으로써상기토크리플을감소시키는자속장벽부가형성된다.
Abstract translation: 本发明涉及励磁绕组式电动机的转子和包括转子的励磁绕组式电动机，其中励磁绕组式转子的极靴部分的外周面的弯曲形状改变为磁通量 阻挡件形成在极靴部内部，防止输出扭矩降低，并且扭矩波动减小，而不会因为极靴部分的过大的形状变形而增加整体尺寸。 励磁绕组式电动机的转子包括转子芯，从转子铁芯的外周面突出并且其上缠绕有励磁线圈的多个齿部，以及从靴状部的端部延伸的极靴部 齿部到两侧并具有弯曲的外表面。 极靴部设置有磁通阻挡部，其通过调节通过极靴部的磁通密度，通过增加通过齿部的磁通密度来降低转矩脉动。
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