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    • 1. 发明公开
    • 노이즈 필터 및 이를 구비한 모터 제어 장치
    • 噪声滤波器和电机控制装置
    • KR1020100075314A
    • 2010-07-02
    • KR1020080133966
    • 2008-12-24
    • 엘지전자 주식회사
    • 김대현백승원박태영이승혁오재윤
    • H02M1/44H02M1/12
    • PURPOSE: A noise filter and a motor control device having the same are provided to remove the noise by using the common mode choke having two coils wound in opposite direction to each other. CONSTITUTION: A first charging unit(210) is connected between the two power sources of the input power source. A first choke(220) is connected to the first charging unit. The first choke reduces the common mode noise of the power line. A second charging unit(230) is connected to the first choke. The second charging unit reduces the common mode noise with the first choke. The first choke comprises two coils wound in the opposite direction to each other.
    • 目的:提供一种噪声滤波器和具有该噪声滤波器的电机控制装置,以通过使用具有彼此相反方向缠绕的两个线圈的共模扼流圈来消除噪声。 构成:第一充电单元(210)连接在输入电源的两个电源之间。 第一扼流器(220)连接到第一充电单元。 第一个扼流圈降低了电源线的共模噪声。 第二充电单元(230)连接到第一扼流圈。 第二充电单元减少与第一扼流圈的共模噪声。 第一个扼流圈包括彼此相反方向缠绕的两个线圈。
    • 2. 发明授权
    • 공기조화기의 실외팬 전동기의 구동방법 및 그 구동장치
    • 空调机外风扇电机的驱动方法及其驱动方法
    • KR101716139B1
    • 2017-03-14
    • KR1020090116050
    • 2009-11-27
    • 엘지전자 주식회사
    • 이승혁김대현박태영오재윤정지연하근수임선경
    • F24F11/02F24F11/00F24F5/00
    • 본발명은, 공기조화기의실외팬전동기의구동방법및 그구동장치에관한것이다. 본발명의실시예에따른공기조화기의실외팬전동기의구동방법은, 실외팬전동기가일정위치에정렬하도록일정전류를공급하는단계와, 실외팬전동기에흐르는출력전류를검출하는단계와, 검출된출력전류에기초하여실외팬전동기에공급되는일정전류의크기또는일정전류공급기간을가변하는단계를포함한다. 이에의하여, 외풍에도불구하고안정적으로실외팬을구동할수 있게된다.
    • 目的:提供一种用于驱动空调的户外风扇电机的方法和装置,用于通过在初始驱动期间向室外风扇提供固定电流来稳定地初始化室外风扇,并且基于以下方式调节电动机的电流的大小或施加周期 电机的输出电流。 构成:空调的户外风扇电动机的驱动方法如下。 向室外风扇的电动机供给固定电流,使电动机配置在设定位置(S510)。 检测在室外风扇电动机中流过的输出电流(S520)。 根据检测到的输出电流,特别是与检测到的输出电流的频率成分成比例,电流对电动机的幅度或施加期间变化(S530)。
    • 5. 发明公开
    • 인버터 제어 장치 및 제어 방법
    • 控制逆变器的装置和方法
    • KR1020120041045A
    • 2012-04-30
    • KR1020100102620
    • 2010-10-20
    • 엘지전자 주식회사
    • 이동근이승혁하근수
    • H02J3/46H02M7/48
    • PURPOSE: An inverter control device and method are provided to improve operating efficiency by selectively driving one or more inverter modules among a plurality of inverter modules and to improve stability of a system. CONSTITUTION: A power conversion unit changes a DC power source into an AC power source and supplies the AC power source. A plurality of inverter modules(110) outputs a current to load according to a control signal. A control unit(200) selectively outputs the control signal in the power conversion unit and selectively drives the plurality of inverter modules. The control unit controls total out current capacity of the power conversion unit. A current detecting unit(300) is connected to the plurality of inverter modules and detects an output current which is outputted from the plurality of inverter modules to the load.
    • 目的:提供一种逆变器控制装置和方法,通过选择性地驱动多个逆变器模块中的一个或多个逆变器模块来提高操作效率,并提高系统的稳定性。 构成:电源转换单元将直流电源更换为交流电源,并提供交流电源。 多个逆变器模块(110)根据控制信号输出负载电流。 控制单元(200)选择性地输出功率转换单元中的控制信号,并选择性地驱动多个逆变器模块。 控制单元控制功率转换单元的总输出电流容量。 电流检测单元(300)连接到多个逆变器模块,并且检测从多个逆变器模块输出到负载的输出电流。
    • 6. 发明公开
    • 공기조화기의 실외팬 전동기의 구동방법 및 그 구동장치
    • 用于驱动空调的外部风扇马达的方法及其驱动装置
    • KR1020110059343A
    • 2011-06-02
    • KR1020090116050
    • 2009-11-27
    • 엘지전자 주식회사
    • 이승혁김대현박태영오재윤정지연하근수임선경
    • F24F11/02F24F11/00F24F5/00
    • F24F11/30F24F11/32F25B2313/0294F25B2600/111F25B2700/15H02P27/06
    • PURPOSE: A method and a device for driving an outdoor fan motor of an air conditioner are provided to initialize an outdoor fan stably by supplying fixed current to the outdoor fan during initial driving and regulating the magnitude or application period of current to the motor based on the output current of the motor. CONSTITUTION: A method for driving an outdoor fan motor of an air conditioner is as follows. A fixed current is supplied to a motor of an outdoor fan so that the motor is arranged in a set position(S510). The output current flowing in the outdoor fan motor is detected(S520). The magnitude or application period of the current to the motor is changed according to the detected output current, especially in proportion to the frequency component of the detected output current(S530).
    • 目的:提供一种用于驱动空调的户外风扇电机的方法和装置,用于通过在初始驱动期间向室外风扇提供固定电流来稳定地初始化室外风扇,并且基于以下方式调节电动机的电流的大小或施加周期 电机的输出电流。 构成:空调的户外风扇电动机的驱动方法如下。 向室外风扇的电动机供给固定电流,使电动机配置在设定位置(S510)。 检测在室外风扇电动机中流过的输出电流(S520)。 根据检测到的输出电流,特别是与检测到的输出电流的频率成分成比例,电流对电动机的幅度或施加期间变化(S530)。
    • 7. 发明公开
    • 모터 제어 장치 및 이를 구비한 공기조화기
    • 用于控制装置的电动机和空调器的装置
    • KR1020100075313A
    • 2010-07-02
    • KR1020080133965
    • 2008-12-24
    • 엘지전자 주식회사
    • 김대현백승원박태영이승혁오재윤
    • F24F11/00F24F11/02
    • F25B49/025H02P27/06
    • PURPOSE: A motor controller and an air-conditioner including the same are provided to safely drive an entire system by mounting a first control module and a second control module in one circuit board and by grounding the first control module and the second control module to a frame with a cheap attenuating unit. CONSTITUTION: A motor controller comprises: a first control module(200) which is mounted on one circuit board and includes a converter(210) which changes an inputted AC voltage into a DC voltage, a smoothing unit(230) which smoothes the DC voltage, and an inverter unit(250) which changes the DC voltage outputted from the smoothing unit into a motor driving voltage by being driven according to an inverter control signal; a second control module(300) which is mounted on the circuit board and comprises a control unit(310) which outputs the inverter control signal driving the inverter unit; and an attenuating unit(400) which is connected to the circuit board and attenuates switching noise generated in the circuit board according to the drive of the inverter unit.
    • 目的:提供一种电动机控制器和包括该电动机控制器的空调,以通过将第一控制模块和第二控制模块安装在一个电路板中并通过将第一控制模块和第二控制模块接地到 框架与一个便宜的衰减单位。 一种电动机控制器,包括:第一控制模块(200),其安装在一个电路板上,并且包括将输入的AC电压改变为直流电压的转换器(210),使直流电压平滑的平滑单元(230) 以及通过根据逆变器控制信号驱动将从平滑单元输出的直流电压变更为电动机驱动电压的逆变器单元(250) 安装在所述电路板上的第二控制模块(300),其包括输出驱动所述逆变器单元的逆变器控制信号的控制单元(310) 以及衰减单元,其连接到所述电路板,并且根据所述逆变器单元的驱动来衰减在所述电路板中产生的开关噪声。
    • 8. 发明公开
    • 공기조화기의 전동기 구동장치
    • 空调机的电机驱动器
    • KR1020110081594A
    • 2011-07-14
    • KR1020100001840
    • 2010-01-08
    • 엘지전자 주식회사
    • 이승혁박태영오재윤하근수김대현
    • F24F11/02F24F11/00H02P27/06
    • F24F11/30F25B2600/021F25B2600/11F25B2700/15H02P27/06
    • PURPOSE: A motor driving device of an air conditioner is provided to efficiently control a compressor motor and a fan motor because a single controller outputs first and second switching control signals for driving the compressor and fan motors. CONSTITUTION: A motor driving device of an air conditioner comprises a smoothing capacitor, a compressor inverter, a fan inverter, and a controller(230). The smoothing capacitor smoothes input DC power. The compressor inverter, comprising a plurality of switching elements, receives the smoothed DC power and converts the DC power to AC power to be supplied to a compressor motor. The fan inverter, comprising a plurality of switching elements, receives the smoothed DC power and converts the DC power to AC power to be supplied to a fan motor. The controller outputs a first switching control signal for controlling the switching operation of the compressor inverter and a second switching control signal for controlling the switching operation of the fan inverter.
    • 目的:提供一种空调机的马达驱动装置,用于有效地控制压缩机马达和风扇马达,因为单个控制器输出用于驱动压缩机和风扇马达的第一和第二切换控制信号。 构成:空调机的电动机驱动装置包括平滑电容器,压缩机逆变器,风扇变换器和控制器(230)。 平滑电容平滑输入直流电源。 包括多个开关元件的压缩机逆变器接收平滑的直流电力,并将直流电力转换为交流电力以提供给压缩机电动机。 包括多个开关元件的风扇逆变器接收平滑的DC电力并将DC电力转换成AC电力以供应给风扇电动机。 控制器输出用于控制压缩机逆变器的切换操作的第一切换控制信号和用于控制风扇逆变器的切换操作的第二切换控制信号。
    • 10. 发明公开
    • 공기조화기의 전동기 구동장치
    • 空调机的电机驱动器
    • KR1020110080346A
    • 2011-07-13
    • KR1020100000523
    • 2010-01-05
    • 엘지전자 주식회사
    • 김대현오재윤이승혁하근수임선경박태영
    • F24F11/02F24F11/00H02P6/00
    • F24F11/30F25B2600/021F25B2700/151H02P27/06
    • PURPOSE: An electric motor driving device of an air conditioner is provided to restrict the harmonic waves of alternating current input power and to boost the voltage of an output end of a converter. CONSTITUTION: An electric motor driving device of an air conditioner comprises: a filter unit(206) limiting the harmonic wave of alternating current input power; a converter(210) having a diode element, and rectifying the alternating current power from the filter unit and outputting the rectified power; a smoothing capacitor(C) smoothing the rectified power; and an inverter(220) having plural switching elements, and receiving the direct current power of the smoothing capacitor and converting into the alternating current power of the fixed frequency by switching with the switching elements, and then supplying to a 3-phase electric motor(250).
    • 目的:提供一种空调机的电机驱动装置,用于限制交流输入功率的谐波,并提高转换器输出端的电压。 构成:空调机的电动机驱动装置,具备:限制交流输入功率谐波的滤波器单元(206); 具有二极管元件的转换器(210),对来自滤波器单元的交流电力进行整流并输出整流后的功率; 平滑电容器(C)使整流功率平滑; 以及具有多个开关元件的反相器(220),并且通过与开关元件的切换来接收平滑电容器的直流电力并转换为固定频率的交流电力,然后提供给三相电动机( 250)。