公开(公告)号：US09086233B2

公开(公告)日：2015-07-21

申请号：US12593492

申请日：2008-01-26

Applicant: Chan Ho Chun ,  Sung Ho Park ,  Chel Woong Lee

Inventor： Chan Ho Chun ,  Sung Ho Park ,  Chel Woong Lee

IPC: F25D21/00 ,  F25D21/06 ,  F25B5/00 ,  F25B49/00 ,  F25D29/00 ,  F25D21/08 ,  F25B5/02 ,  F25D17/06

CPC classification number: F25D29/00 ,  F25B5/02 ,  F25B2600/2511 ,  F25D17/065 ,  F25D21/006 ,  F25D21/08 ,  F25D2317/0682 ,  F25D2700/122 ,  F25D2700/123 ,  F25D2700/14

Abstract: A method of controlling a refrigerator is provided. The refrigerator may include a main body having a plurality of storage chambers, a plurality of evaporators to independently cool the plurality of storage chambers, and a refrigerant control valve that controls refrigerant flow into the plurality of evaporators. The method may include opening the control valve and allowing refrigerant to flow into at least one of the plurality of evaporators, when an opening integration time of the control valve is greater than a defrost setting time of the evaporator, operating the refrigerator in a defrost mode, and, when a temperature sensed by a defrost sensor of an evaporator being defrosted is greater than return setting temperatures, terminating operation in the defrost mode. In this manner, each evaporator may be defrosted efficiently, and at a point in time at which defrosting is required.

Abstract translation: 提供一种控制冰箱的方法。 冰箱可以包括具有多个存储室的主体，用于独立冷却多个存储室的多个蒸发器，以及控制制冷剂流入多个蒸发器的制冷剂控制阀。 当控制阀的开启积分时间大于蒸发器的除霜设定时间时，该方法可以包括打开控制阀并允许制冷剂流入多个蒸发器中的至少一个蒸发器，在除霜模式下操作冰箱 并且当由除霜的蒸发器的除霜传感器感测到的温度大于返回设定温度时，在除霜模式下终止操作。 以这种方式，每个蒸发器可以有效地解冻，并且在需要除霜的时间点。

公开(公告)号：US20090010766A1

公开(公告)日：2009-01-08

申请号：US12159316

申请日：2006-12-28

Applicant: Jae-Yoo Yoo ,  Ji-Won Sung ,  Chel-Woong Lee

Inventor： Jae-Yoo Yoo ,  Ji-Won Sung ,  Chel-Woong Lee

IPC: F04B49/06 ,  G05F5/04

CPC classification number: F04B49/065

Abstract: An apparatus and method for controlling an operation of a reciprocating compressor are disclosed in which a frequency is variably controlled to uniformly maintain a phase difference between current and stroke, a load is determined with a size of frequency at a point of time when the phase difference between the current and the stroke is uniformly maintained, and capacity is varied according to the determined load, to thus improve an operation efficiency. The apparatus for controlling an operation of a reciprocating compressor includes: a control unit for detecting a phase difference between current and stroke and outputting a frequency variable signal or a frequency detect signal based on the detected phase difference; a load detecting unit for detecting a current operation load according to the frequency detect signal; and a stroke reference value determining unit for determining a stroke reference value corresponding to the detected load.

Abstract translation: 公开了一种用于控制往复式压缩机的操作的装置和方法，其中可变地控制频率以均匀地维持电流和行程之间的相位差，在相位差的时间点以大小的频率确定负载 在电流和行程之间均匀地保持，并且容量根据确定的负载而变化，从而提高了操作效率。 用于控制往复式压缩机的操作的装置包括：控制单元，用于检测电流和行程之间的相位差，并且基于检测到的相位差输出频率可变信号或频率检测信号; 负载检测单元，用于根据频率检测信号检测当前的操作负载; 以及行程基准值确定单元，用于确定与检测到的负载相对应的行程参考值。

公开(公告)号：US20080292475A1

公开(公告)日：2008-11-27

申请号：US12091920

申请日：2006-10-20

Applicant: Hyeung-Ju Kim ,  Chang-Oh Kim ,  Chel-Woong Lee

Inventor： Hyeung-Ju Kim ,  Chang-Oh Kim ,  Chel-Woong Lee

IPC: F04B49/06 ,  F04B49/12

CPC classification number: F04B35/045 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402

Abstract: Driving controlling apparatus and method for a reciprocating compressor capable of stably driving a reciprocating compressor when a reciprocating compressor is operated or an output capacity of the reciprocating compressor is varied, by matching an impedance of the apparatus to an inductance of a motor, and capable of enhancing an efficiency of the reciprocating compressor. The apparatus comprises an output capacity determining unit for determining an output capacity of a reciprocating compressor; an over-stroke preventing unit for preventing an over-stroke of a motor inside the reciprocating compressor; and an impedance matching unit for matching an inductance of the reciprocating compressor to an impedance of the apparatus.

Abstract translation: 一种往复式压缩机的驱动控制装置和方法，能够在往复式压缩机运转时能够稳定地驱动往复式压缩机，或者往复式压缩机的输出容量变化时，通过使装置的阻抗与电动机的电感相匹配，能够 提高往复式压缩机的效率。 该装置包括用于确定往复式压缩机的输出容量的输出容量确定单元; 用于防止往复式压缩机内的电动机的过冲击的过冲程防止单元; 以及阻抗匹配单元，用于将往复式压缩机的电感与装置的阻抗进行匹配。

公开(公告)号：US07402977B2

公开(公告)日：2008-07-22

申请号：US11180580

申请日：2005-07-14

Applicant: Hyung-Joo Kim ,  Kyung-Bum Heo ,  Chel-Woong Lee

Inventor： Hyung-Joo Kim ,  Kyung-Bum Heo ,  Chel-Woong Lee

IPC: H02P27/04

CPC classification number: F04B49/065 ,  F04B35/045 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402

Abstract: An apparatus for controlling an operation of a reciprocating motor compressor includes a current integrator for integrating an alternating current applied to a motor of the compressor during each one cycle thereof; and a controller for differently controlling a firing angle of a triac during the positive phase and the firing angle of the triac during the negative phase of the AC voltage applied to the motor based on the integrated value of the current. A loss in the motor can be reduced by avoiding presence of a DC component in the current applied to the motor of the compressor.

Abstract translation: 一种用于控制往复式电动机压缩机的操作的装置，包括：电流积分器，用于对施加到压缩机的每个循环中的电动机的交流电进行积分; 以及控制器，用于根据电流的积分值，在施加到电动机的交流电压的负相位期间不同地控制三端双向可控硅开关的触发角和三端双向可控硅开关的触发角。 可以通过避免在施加到压缩机的电动机的电流中存在DC分量来降低电动机的损耗。

公开(公告)号：US07271563B2

公开(公告)日：2007-09-18

申请号：US10930842

申请日：2004-09-01

Applicant: Jae-Yoo Yoo ,  Chel-Woong Lee ,  Hyung-Joo Kim

Inventor： Jae-Yoo Yoo ,  Chel-Woong Lee ,  Hyung-Joo Kim

IPC: H02P1/00 ,  G05D23/275 ,  F04B49/06

CPC classification number: F04B35/045 ,  F04B2203/0402

Abstract: The present invention discloses an apparatus for controlling an operation of a reciprocating compressor and a method therefor which can reduce errors in an operation of a stroke estimated value of the reciprocating compressor, by previously preventing over-saturation of a magnetic flux density generated in a coil of a motor. The apparatus for controlling the operation of the reciprocating compressor includes a magnetic flux saturation constant operation unit for operating a magnetic flux saturation constant of a motor of the reciprocating compressor on the basis of a stroke estimated value of the reciprocating compressor, a stroke reference value generation unit for generating an increased or decreased stroke reference value by increasing or decreasing a predetermined stroke reference value on the basis of the magnetic flux saturation constant, and a control unit for controlling a voltage applied to the motor of the reciprocating compressor on the basis of the generated stroke reference value.

Abstract translation: 本发明公开了一种用于控制往复式压缩机的操作的装置及其方法，其通过预先防止在线圈中产生的磁通密度的过饱和，其可以减少往复式压缩机的冲程估计值的操作中的误差 的电机。 用于控制往复式压缩机的操作的装置包括磁通量饱和常数运算单元，用于根据往复式压缩机的行程估计值，行程参考值生成来操作往复式压缩机的电动机的磁通饱和常数 单元，用于通过基于磁通饱和常数增加或减少预定行程参考值来产生增加或减小的行程参考值;以及控制单元，用于基于所述磁通饱和常数控制施加到往复式压缩机的电动机的电压 生成笔画参考值。

公开(公告)号：US20060153688A1

公开(公告)日：2006-07-13

申请号：US11108670

申请日：2005-04-19

Applicant: Chel-Woong Lee ,  Chang-Oh Kim

Inventor： Chel-Woong Lee ,  Chang-Oh Kim

IPC: F04B49/06

CPC classification number: F04B35/045 ,  F04B49/065 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402

Abstract: An apparatus for controlling an operation of a compressor includes a controller for generating a control signal for selecting an operation mode of a compressor according to an operation load of the compressor; a first switching unit connected to a motor consisting of a main coil and a sub-coil and selecting the main coil or both the main coil and the sub-coil according to the control signal; first and second capacitors electrically connected with the first switching unit; and a second switching unit connected to the first capacitor and selectively connecting the first capacitor in parallel to the second capacitor according to the control signal.

Abstract translation: 用于控制压缩机的操作的装置包括：控制器，用于根据压缩机的操作负载产生用于选择压缩机的操作模式的控制信号; 连接到由主线圈和子线圈组成的电动机的第一开关单元，并且根据控制信号选择主线圈或两者的主线圈和子线圈; 与第一开关单元电连接的第一和第二电容器; 以及第二开关单元，连接到第一电容器，并且根据控制信号选择性地将第一电容器与第二电容器并联连接。

公开(公告)号：US20050158178A1

公开(公告)日：2005-07-21

申请号：US11019287

申请日：2004-12-23

Applicant: Jae-Yoo Yoo ,  Chel-Woong Lee ,  Ji-Won Sung ,  Hyung-Jin Kim

Inventor： Jae-Yoo Yoo ,  Chel-Woong Lee ,  Ji-Won Sung ,  Hyung-Jin Kim

IPC: F04B49/12 ,  F04B35/04 ,  F04B49/06 ,  F04B1/26

CPC classification number: F04B49/065 ,  F04B2203/0401 ,  F04B2203/0402

Abstract: Disclosed are an apparatus and a method for controlling an operation of a reciprocating compressor which can improve operational efficiency of the reciprocating compressor. The apparatus for controlling the operation of the reciprocating compressor includes a resonance frequency operation unit for operating a mechanical resonance frequency of the reciprocating compressor, an operating frequency reference value generation unit for comparing the operated mechanical resonance frequency with a current operating frequency of the reciprocating compressor, and generating an operating frequency reference value according to the comparison result, and a controller for controlling a motor of the reciprocating compressor according to the generated operating frequency reference value.

Abstract translation: 公开了一种用于控制往复式压缩机的操作的装置和方法，其可以提高往复式压缩机的操作效率。 用于控制往复式压缩机的操作的装置包括用于操作往复式压缩机的机械共振频率的共振频率操作单元，用于将所操作的机械共振频率与往复式压缩机的当前工作频率进行比较的工作频率基准值生成单元 ，并根据比较结果生成工作频率参考值，以及控制器，用于根据生成的工作频率参考值来控制往复式压缩机的电动机。

公开(公告)号：US07402976B2

公开(公告)日：2008-07-22

申请号：US11108670

申请日：2005-04-19

Applicant: Chel-Woong Lee ,  Chang-Oh Kim

Inventor： Chel-Woong Lee ,  Chang-Oh Kim

IPC: H02P1/42

CPC classification number: F04B35/045 ,  F04B49/065 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402

Abstract: An apparatus for controlling an operation of a compressor includes a controller for generating a control signal for selecting an operation mode of a compressor according to an operation load of the compressor; a first switching unit connected to a motor consisting of a main coil and a sub-coil and selecting the main coil or both the main coil and the sub-coil according to the control signal; first and second capacitors electrically connected with the first switching unit; and a second switching unit connected to the first capacitor and selectively connecting the first capacitor in parallel to the second capacitor according to the control signal.

Abstract translation: 用于控制压缩机的操作的装置包括：控制器，用于根据压缩机的操作负载产生用于选择压缩机的操作模式的控制信号; 连接到由主线圈和子线圈组成的电动机的第一开关单元，并且根据控制信号选择主线圈或两者的主线圈和子线圈; 与第一开关单元电连接的第一和第二电容器; 以及第二开关单元，连接到第一电容器，并且根据控制信号选择性地将第一电容器与第二电容器并联连接。

公开(公告)号：US20060228226A1

公开(公告)日：2006-10-12

申请号：US11245109

申请日：2005-10-07

Applicant: Hyung-Joo Kim ,  Kyung Heo ,  Chel-Woong Lee

Inventor： Hyung-Joo Kim ,  Kyung Heo ,  Chel-Woong Lee

IPC: F04B49/00

CPC classification number: F04B35/045 ,  F04B49/065 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402

Abstract: An apparatus for controlling an operation of a reciprocating compressor includes a voltage detecting unit for detecting a positive half-wave voltage of an AC voltage applied to a motor of the reciprocating compressor; a current detecting unit for detecting a positive half-wave current of the AC current passing through the motor; a voltage and current estimating unit for estimating a negative half-wave voltage of the AC voltage applied to the motor and a negative half-wave current of the AC current passing through the motor based on the detected positive half-wave voltage and the detected positive half-wave current; a stroke estimating unit for estimating a stroke of the reciprocating compressor based on the detected positive half-wave voltage and the detected positive half-wave current and the negative half-wave voltage and the negative half-wave current which have been estimated by the voltage and the current estimating unit; a stroke controller for outputting a stroke control signal of the reciprocating compressor based on a comparison value between the estimate stroke estimate value and a stroke reference value of the reciprocating compressor; and a power source unit for applying positive DC power to the voltage detecting unit and the current detecting unit.

Abstract translation: 用于控制往复式压缩机的操作的装置包括电压检测单元，用于检测施加到往复式压缩机的电动机的交流电压的正半波电压; 电流检测单元，用于检测通过电动机的交流电流的正半波电流; 电压和电流估计单元，用于基于检测到的正半波电压和检测到的正的正电压来估计施加到电动机的AC电压的负半波电压和通过电动机的AC电流的负半波电流 半波电流; 行程估计单元，用于基于检测到的正半波电压和检测到的正半波电流以及由电压估计的负半波电压和负半波电流来估计往复式压缩机的行程 和当前估计单元; 行程控制器，用于基于所述往复式压缩机的所述估计冲程估计值和冲程参考值之间的比较值输出所述往复式压缩机的行程控制信号; 以及用于向电压检测单元和电流检测单元施加正直流电力的电源单元。

公开(公告)号：US20060056980A1

公开(公告)日：2006-03-16

申请号：US11033281

申请日：2005-01-12

Applicant: Jae-Yoo Yoo ,  Chel-Woong Lee ,  Ji-Won Sung

Inventor： Jae-Yoo Yoo ,  Chel-Woong Lee ,  Ji-Won Sung

IPC: F04B49/06

CPC classification number: F04B35/045 ,  F04B49/065 ,  F04B2203/0401 ,  F04B2203/0402 ,  F04B2203/0404

Abstract: An apparatus for controlling an operation of a compressor includes: a back electromotive force calculator for calculating a back electromotive force of a compressor based on a value of a current applied to a motor of the compressor and a value of a voltage applied to the motor of the compressor; an operation frequency reference value determining unit for detecting a mechanical resonance frequency of the compressor based on the back electromotive force value and the current value and determining the detected mechanical resonance frequency as an operation frequency reference value; and a controller for varying an operation frequency of the compressor according to the determined operation frequency reference value.