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公开(公告)号：US20200267841A1
公开(公告)日：2020-08-20
申请号：US16791897
申请日：2020-02-14
Applicant: LG ELECTRONICS INC.
Inventor： Jonggyu Lee , Sangyub kim , Joonhwan LEE , Junho AHN
IPC: H05K1/18
Abstract: A printed circuit board assembly is disclosed. The printed circuit board assembly includes a printed circuit board, a sensor mounted on one side of the printed circuit board to detect a magnetic field, and a bus bar disposed in contact with another side of the printed circuit board, wherein a thickness between a region of the another side of the printed circuit board, with which the bus bar is in contact, and the one side of the printed circuit board is smaller than a thickness between a remaining region of the another side of the printed circuit board and the one side of the printed circuit board.
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公开(公告)号：US20180289229A1
公开(公告)日：2018-10-11
申请号：US15766701
申请日：2016-10-07
Inventor： Jongwon KIM , Jungdae LEE , Myungkeun YOO , Junho AHN , Jungik HA , Sungho JUNG , Jaeyong PARK
Abstract: The present invention relates to a motor driving apparatus and a home appliance comprising the same. The motor driving apparatus according to an embodiment of the present invention comprises: an inverter which converts a direct current power source of a DC stage capacitor to an alternating current power source and outputs the converted alternating power source to a motor by a switching operation; a DC stage resistance device arranged between the DC stage capacitor and the inverter; and a control unit which controls the inverter on the basis of phase current sampled by means of the DC stage resistance device, wherein the control unit controls the frequency of voltage applied to the motor or the rotation frequency of the motor to be synchronized with the sampling frequency of the phase current sampled via the DC stage resistance device. Accordingly, it is possible to accurately calculate the phase current flowing through the motor by means of the DC stage resistance device.
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公开(公告)号：US20170070107A1
公开(公告)日：2017-03-09
申请号：US15258878
申请日：2016-09-07
Applicant: LG ELECTRONICS INC.
Inventor： Jangwon LEE , Seungsuk OH , Heon LEE , Junho AHN , Jaemin KIM , Dosun KIM , Hyounguk NAM
CPC classification number: H02K1/2786 , H02K1/30 , H02K1/32
Abstract: Disclosed are a rotor that is capable of more efficiently using magnetic flux from magnets and a motor including the same. The rotor includes a plurality of rotor cores, a plurality of magnets magnetized such that magnetic flux is formed in the circumferential direction, the magnets and the rotor cores being alternately arranged in the circumferential direction, a coupler connected to a shaft, and a rotor frame including a coupler base connected to the coupler, an extension base extending from the coupler base in the radial direction, and a rotary base extending from the extension base in the axial direction of the shaft for supporting the rotor cores and the magnets while surrounding the rotor cores and the magnets, wherein the coupler base, the extension base, and the rotary base are integrally formed by injection molding, and the rotor frame is coupled to the coupler, the rotor cores, and the magnets, and wherein the extension base is provided with crossing ribs that cross in the radial direction.
Abstract translation: 公开了能够更有效地使用来自磁铁的磁通和包括该转子的电动机的转子。 转子包括多个转子芯，多个磁体被磁化以使得在圆周方向上形成磁通量，磁体和转子芯在周向上交替布置，连接到轴的联轴器和转子架 包括连接到耦合器的耦合器基座，从耦合器基部沿径向方向延伸的延伸基部以及沿着轴的轴向方向从延伸基部延伸的旋转基座，用于支撑转子芯和磁体，同时围绕转子 芯和磁体，其中，联接器基座，延伸基座和旋转基座通过注射成型一体地形成，并且转子框架耦合到耦合器，转子芯和磁体，并且其中提供扩展基座 具有在径向方向上交叉的交叉肋。
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4.发明申请公开(公告)号：US20160156505A1
公开(公告)日：2016-06-02
申请号：US15017981
申请日：2016-02-08
Applicant: LG Electronics Inc.
Inventor： Bongmun JANG , Junho AHN , Daegeun SEO , Munseok SEO
IPC: H04L12/24 , H04L12/28 , H04L12/927 , H04M11/06
CPC classification number: H04L41/0668 , H04L12/2803 , H04L47/805 , H04M11/06 , H04M11/068
Abstract: Provided is an electric product. The electric product includes: a communication modem including a printed circuit board; a first communication unit installed at the printed circuit board and performing communication by using a first communication type; and a second communication unit installed at the printed circuit board and performing communication by using a second communication type different from the first communication type; a control unit transmitting/receiving a signal to/from the communication modem; and a load receiving power and controlled by the control unit; wherein the first communication unit and the second communication unit are installed at different corners of the printed circuit board.
Abstract translation: 提供电动产品。 电气产品包括：包括印刷电路板的通信调制解调器; 安装在印刷电路板上并通过使用第一通信类型执行通信的第一通信单元; 以及第二通信单元，安装在印刷电路板上，并使用不同于第一通信类型的第二通信类型进行通信; 控制单元向/从通信调制解调器发送/接收信号; 和负载接收功率并由控制单元控制; 其中所述第一通信单元和所述第二通信单元安装在所述印刷电路板的不同角落处。
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公开(公告)号：US20200235030A1
公开(公告)日：2020-07-23
申请号：US16704466
申请日：2019-12-05
Applicant: LG Electronics Inc.
Inventor： Kyeonghwan KIM , Junho AHN
IPC: H01L23/367 , H01L23/40 , H01L23/473
Abstract: The present disclosure relates to a switching semiconductor device and a cooling apparatus thereof. The cooling apparatus of the switching semiconductor device of the present disclosure comprises a first heat dissipation plate configured to facilitate heat dissipation of a surface of the semiconductor device at an installation space, and a second heat dissipation plate disposed inside the installation space along a thickness direction of the first heat dissipation plate. The installation space is formed in a predetermined size at the surface of the semiconductor device, and the second heat dissipation plate is configured to contact the first heat dissipation plate so as to allow heat exchange. Accordingly, a heat dissipation area may be increased without increasing a size of the installation space.
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Patent Agency Ranking
公开(公告)号：US20200212758A1
公开(公告)日：2020-07-02
申请号：US16731177
申请日：2019-12-31
Applicant: LG Electronics Inc.
Inventor： Kyeonghwan KIM , Yangsoo LEE , Gyeongjae PARK , Hojun SHIN , Junho AHN , Wonjung SUNG
Abstract: The embodiments of the present disclosure provide a shaft structure of a motor, comprising a housing, a stator disposed inside the housing, and a rotor rotatably disposed inside the stator. The stator may comprise a stator core and a coil wound around the stator core, and the rotor may comprise a rotor core and a rotational shaft coupled to the rotor core. The rotational shaft may comprise a plurality of adjusting portions formed on an outer circumferential surface of the rotational shaft to align a center of gravity of the rotor with a center of the rotational shaft.
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公开(公告)号：US20170116688A1
公开(公告)日：2017-04-27
申请号：US15376339
申请日：2016-12-12
Applicant: LG Electronics Inc.
Inventor： Junho AHN , Yanghwan KIM , Hoonbong LEE , Koonseok LEE , Chulkyu PARK , Yeongjoo CHEON
CPC classification number: G06Q50/06 , G05B15/02 , H02J3/14 , H02J3/28 , H02J13/0006 , H02J2003/143 , H02J2003/146 , H04L12/2803 , Y02B70/3225 , Y02B70/325 , Y02B70/3266 , Y02B90/222 , Y02B90/246 , Y04S20/12 , Y04S20/222 , Y04S20/224 , Y04S20/228 , Y04S20/242 , Y04S20/42 , Y04S20/44
Abstract: Provided is a network system. The network system includes: at least one unit selected from an energy receiving unit receiving energy and an energy management unit managing the energy receiving unit. An energy usage amount or energy usage rate of the energy receiving unit is adjusted; an energy usage amount or usage rate when the unit is controlled based on information relating to at least an energy rate is less than that when the unit is controlled without the base of information relating to at least an energy rate; the energy receiving unit comprises a plurality of components; and an operation of one component among the plurality of components is controlled based on the energy rate related information.
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公开(公告)号：US20200227971A1
公开(公告)日：2020-07-16
申请号：US16736062
申请日：2020-01-07
Applicant: LG Electronics Inc.
Inventor： Wonjung SUNG , Yangsoo LEE , Hojun SHIN , Kyeonghwan KIM , Gyeongjae PARK , Junho AHN
Abstract: The present disclosure provides a motor configured to receive driving power from a connector including power terminals. The motor comprises a housing, a terminal block disposed inside the housing, and at least one terminal located adjacent to the terminal block. The power terminals are configured to penetrate through the terminal block, and the at least one terminal is configured to be brought into contact with the power terminal according to a movement of the connector when hairpin coils are inserted in the connector, such that the driving power is applied to the hairpin coils via the power terminal.
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公开(公告)号：US20200220408A1
公开(公告)日：2020-07-09
申请号：US16539069
申请日：2019-08-13
Applicant: LG Electronics Inc.
Inventor： Hojun SHIN , Kyeonghwan KIM , Gyeongjae PARK , Wonjung SUNG , Yangsoo LEE , Junghyun PARK , Junho AHN
Abstract: The present disclosure relates to a stator for an electric rotating machine, the stator comprising a stator core comprising teeth and slots, and a stator coil comprising a plurality of hairpins configured to be inserted into the slots of the stator core in a predetermined pattern. Each of the plurality of hairpins comprises a conductor and a coating layer surrounding an outer surface of the conductor. The plurality of hairpins comprise a first hairpin configured to be placed in a first section of the stator coil predetermined from an end to which power is to be input, and a second hairpin placed in a section after the first section. The first hairpin provides better insulation performance than the second hairpin, and the first section has a higher voltage distribution ratio than the section including the second hairpin.
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10.发明申请公开(公告)号：US20200212749A1
公开(公告)日：2020-07-02
申请号：US16539053
申请日：2019-08-13
Applicant: LG Electronics Inc.
Inventor： Wonjung SUNG , Yangsoo LEE , Hojun SHIN , Kyeonghwan KIM , Gyeongjae PARK , Junho AHN
Abstract: The present disclosure provides a stator of an electric rotating machine, a hairpin of a stator of an electric rotating machine, and a manufacturing method thereof. The stator for the electric rotating machine comprises a stator core, and a stator coil comprising hairpins. Each hairpin comprises a conductor, a film surrounding the conductor, a pair of insertion parts configured to be inserted into different slots, and a connection part connecting the insertion parts. The connection part comprises first and second bending parts bent with a predetermined radius of curvature such that the pair of insertion parts are insertable into different layers. The hairpins include first and second hairpins, each of the first and second hairpins configured to protrude from one end of the stator core by different protrusion lengths. Each of the first and second hairpins comprises a region configured to cross each other.
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