公开(公告)号：US06930462B2

公开(公告)日：2005-08-16

申请号：US10385475

申请日：2003-03-12

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

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

IPC: F04B49/12 ,  F04B35/04 ,  F04B49/06 ,  G05D23/275 ,  H02P1/00

CPC classification number: F04B49/06 ,  F04B35/045 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402 ,  G05B2219/43182

Abstract: In an apparatus and a method for controlling operation of a compressor, by removing deviation generated by resistance and inductance and removing an error in a stroke estimation value of a compressor, operation of the compressor can be accurately controlled. The apparatus includes a counter electromotive force detector for detecting a counter electromotive force generated at a motor of a compressor. A stroke calculator calculates a stroke estimation value of the compressor on the basis of the counter electromotive force, and a stroke controller controls a stroke of the compressor by varying a voltage applied to the motor on the basis of the calculated stroke estimation value and a stroke reference value.

Abstract translation: 在用于控制压缩机的操作的装置和方法中，通过消除由电阻和电感产生的偏差并消除压缩机的行程估计值中的误差，可以精确地控制压缩机的操作。 该装置包括用于检测在压缩机的电动机处产生的反电动势的反电动势检测器。 行程计算器基于反电动势计算压缩机的行程估计值，并且行程控制器基于计算的行程估计值和行程来改变施加到电动机的电压来控制压缩机的行程 参考值。

公开(公告)号：US06851934B2

公开(公告)日：2005-02-08

申请号：US10128495

申请日：2002-04-24

Applicant: Jae-Yoo Yoo ,  Chel Woong Lee ,  Min-Kyu Hwang

Inventor： Jae-Yoo Yoo ,  Chel Woong Lee ,  Min-Kyu Hwang

IPC: F04B49/06 ,  F04B35/04 ,  H02P25/04 ,  H02P27/06

CPC classification number: F04B35/045 ,  F04B2203/0401 ,  F04B2203/0402 ,  F04B2203/0409

Abstract: In a stroke control apparatus of a reciprocating compressor and a method thereof, the stroke control apparatus of the reciprocating compressor includes a reciprocating compressor, a current detecting unit for detecting a current flowing in a motor of the reciprocating compressor, a stroke detecting unit for detecting a piston stroke by using a voltage and a current applied to the motor of the reciprocating compressor, a phase difference detecting unit for detecting a phase difference by receiving the piston stroke from the stroke detecting unit and the motor current from the current detecting unit, an operational frequency determining unit for determining an operational frequency corresponded to an operation region according to the detected phase difference, a frequency/stroke storing unit for storing a piston stroke value by the determined operational frequency, a reference stroke value determining unit for determining a reference stroke value corresponded to the determined operational frequency by using the stroke value pre-stored in the frequency/stroke storing unit, a control unit for comparing the reference stroke value with a present piston stroke value after a certain time point and outputting a stroke control signal according to the comparison result and an inverter for varying an operational frequency and a voltage applied to the motor of the reciprocating compressor according to the stroke control signal of the control unit.

Abstract translation: 在往复式压缩机的行程控制装置及其方法中，往复式压缩机的行程控制装置包括往复式压缩机，用于检测在往复式压缩机的电动机中流动的电流的电流检测单元，用于检测往复式压缩机的电动机的行程检测单元 通过使用施加到往复式压缩机的电动机的电压和电流的活塞行程;相位差检测单元，用于通过从行程检测单元接收活塞行程和从电流检测单元检测电动机电流来检测相位差; 操作频率确定单元，用于根据检测到的相位差确定对应于操作区域的操作频率;频率/行程存储单元，用于存储活塞行程值除以所确定的操作频率;基准行程值确定单元，用于确定参考行程 值对应于确定的操作 通过使用预先存储在频率/行程存储单元中的行程值，控制单元，用于将参考行程值与一定时间点之后的当前活塞行程值进行比较，并根据比较结果输出行程控制信号;以及 用于根据控制单元的行程控制信号改变施加到往复式压缩机的电机的工作频率和电压的逆变器。

公开(公告)号：US06685438B2

公开(公告)日：2004-02-03

申请号：US10153636

申请日：2002-05-24

Applicant: Jae Yoo Yoo ,  Chel Woong Lee ,  Min Kyu Hwang

Inventor： Jae Yoo Yoo ,  Chel Woong Lee ,  Min Kyu Hwang

IPC: F04B4906

CPC classification number: F04B35/045 ,  F04B2201/0201 ,  F04B2203/0401 ,  F04B2203/0402

Abstract: In an operation control apparatus of a compressor, a current, a voltage an d a TDC, etc. applied to a compressor are detected, a speed and a TDC are constantly controlled so as to place an operation point of the compressor within a high efficiency operation region by using a phase difference between each detected values (for example, a phase difference between the current and the voltage), and an operation frequency is varied according to a load variation, accordingly an operation efficiency of the compressor can be improved.

Abstract translation: 在压缩机的运转控制装置中，检测出施加到压缩机的电流，电压da，TDC等，控制速度和TDC，以使压缩机的运转点处于高效率运转状态 通过使用各检测值之间的相位差（例如，电流和电压之间的相位差），并且操作频率根据负载变化而变化，从而可以提高压缩机的操作效率。

公开(公告)号：US06682310B2

公开(公告)日：2004-01-27

申请号：US10140869

申请日：2002-05-09

Applicant: Jae-Yoo Yoo ,  Min-Kyu Hwang ,  Chel Woong Lee

Inventor： Jae-Yoo Yoo ,  Min-Kyu Hwang ,  Chel Woong Lee

IPC: F04B4900

CPC classification number: F04B35/045 ,  F04B2203/0401 ,  F04B2203/0402 ,  F04B2203/0409 ,  H02P23/04

Abstract: An apparatus and method for operational control of a reciprocating motor compressor, includes performing an operation of the reciprocating motor compressor precisely and accurately. In addition, with the above apparatus and method, the phase difference between a first speed value of the motor (or first TDC value) and current applied to the motor is detected, the second speed value of the motor at the inflection point of the detected phase value (or second TDC value) is detected and stored as a reference value, and the speed of the motor is controlled on the basis of the reference value and the first speed value of the motor (or the first TDC value).

Abstract translation: 一种往复式电动机压缩机的操作控制装置和方法，包括精确而准确地进行往复式电动机压缩机的动作。 另外，利用上述装置和方法，检测电动机的第一速度值（或第一TDC值）与施加到电动机的电流之间的相位差，检测到的电动机的拐点处的电动机的第二速度值 检测相位值（或第二TDC值）作为参考值，并且基于电动机的基准值和第一速度值（或第一TDC值）来控制电动机的速度。

公开(公告)号：US06616414B2

公开(公告)日：2003-09-09

申请号：US09931945

申请日：2001-08-20

Applicant: Jae Yoo Yoo ,  Jae Chun Lee ,  Min Kyu Hwang ,  Chel Woong Lee

Inventor： Jae Yoo Yoo ,  Jae Chun Lee ,  Min Kyu Hwang ,  Chel Woong Lee

IPC: F04B4906

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

Abstract: In an apparatus and a method for controlling a compressor, by setting a stroke reference value so as to be smaller than a maximum stroke value in a maximum load state and operating the reciprocating compressor stably, damage of a reciprocating compressor can be prevented, a cost in a motor design can be reduced, and a size of a motor can be decreased in designing of the motor.

公开(公告)号：US08221091B2

公开(公告)日：2012-07-17

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

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：US08109736B2

公开(公告)日：2012-02-07

申请号：US12087772

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 ,  H02P1/00

CPC classification number: H02P25/06 ,  F04B35/045 ,  F04B49/06 ,  F04B49/065 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402 ,  H02P25/032

Abstract: An apparatus and method for controlling an operation of a linear compressor by detecting a phase difference inflection point at a time point when a phase difference between a current and a stroke is placed within a certain region, and by recognizing the phase difference infection point as a top dead center (TDC)=O. The apparatus for controlling an operation of a linear compressor, comprises: a controlling unit for detecting a phase difference between a current and a stroke, and outputting a frequency varying signal or a phase difference inflection point detecting signal based on the detected phase difference; a phase difference inflection point detecting unit for judging whether to detect a phase difference inflection point or not by the phase difference inflection point detecting signal, and outputting a stroke command value controlling signal based on a result of the judgement; and a stroke command value determining unit for determining a stroke command value based on the stroke command value controlling signal.

Abstract translation: 一种线性压缩机的操作控制装置和方法，该方法通过在当前和行程之间的相位差放置在特定区域内的时间点检测相位差拐点，并将相位差感测点识别为 上死点（TDC）= O。 用于控制线性压缩机的操作的装置包括：用于检测电流和行程之间的相位差的控制单元，并且基于检测到的相位差输出频率变化信号或相位差拐点检测信号; 相位差拐点检测单元，用于通过相位差拐点检测信号判断是否检测相位差拐点，并根据判断结果输出行程指令值控制信号; 以及行程命令值确定单元，用于基于行程命令值控制信号来确定行程命令值。

公开(公告)号：US07845912B2

公开(公告)日：2010-12-07

申请号：US11554741

申请日：2006-10-31

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

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

IPC: F04B49/06 ,  F04B35/04 ,  H02K33/00

CPC classification number: H02P25/06 ,  F04B35/045 ,  F04B2203/0401 ,  F04B2203/0402 ,  H02P25/032 ,  H02P29/027

Abstract: A driving controlling apparatus for a linear compressor, comprises: a storing unit for storing a reference phase difference to judge an overload state; and a controlling unit for judging an overload state based on a comparison result between the reference phase difference and a phase difference between a current and a stroke, and controlling a voltage or a current applied to a linear motor based on the judgement result.

Abstract translation: 一种用于线性压缩机的驱动控制装置，包括：存储单元，用于存储参考相位差以判断过载状态; 以及控制单元，用于基于参考相位差和电流和行程之间的相位差之间的比较结果来判断过载状态，以及基于判断结果来控制施加到线性电动机的电压或电流。

公开(公告)号：US20100070083A1

公开(公告)日：2010-03-18

申请号：US12593506

申请日：2008-01-26

Applicant: Chang Oh Kim ,  Sung Ho Park ,  Chel Woong Lee

Inventor： Chang Oh Kim ,  Sung Ho Park ,  Chel Woong Lee

IPC: G05B15/00 ,  F25D21/06

CPC classification number: F25D21/006 ,  F25B2600/23 ,  F25B2600/2511 ,  F25B2700/11 ,  F25B2700/2106 ,  F25D17/065 ,  F25D2700/12 ,  F25D2700/122

Abstract: The present invention provides a method of controlling a refrigerator, including a main body having a plurality of storage chambers; a plurality of evaporators installed to independently cool the plurality of storage chambers, respectively; a refrigerant control valve for controlling refrigerant introduced into the plurality of evaporators; and a plurality of fans for circulating air of the storage chambers through the evaporators, respectively, the method includes a fan rotation step of, in an evaporator opening mode of the refrigerant control valve, rotating a fan of the plurality of fans, which circulates the air through an evaporator into which the refrigerant is introduced; an evaporator defrost step of, when a consecutive rotating time of the fan is greater than a setting time, operating the refrigerator in a defrost mode of the evaporator into which the refrigerant is introduced; and an evaporator defrost end step of, when a temperature sensed by a defrost sensor of the evaporator that is being defrosted is higher than a return setting temperature after the evaporator defrost step begins, finishing the defrost mode of the refrigerator. Accordingly, the present invention is advantageous in that it can defrost each evaporator efficiently at an exact point of time at which defrosting is required.

Abstract translation: 本发明提供一种控制冰箱的方法，包括具有多个储藏室的主体; 分别安装成分别冷却多个储藏室的多个蒸发器; 用于控制引入到多个蒸发器中的制冷剂的制冷剂控制阀; 以及多个风扇，用于分别通过蒸发器使存储室的空气循环，该方法包括：风扇旋转步骤，在制冷剂控制阀的蒸发器打开模式下，使多个风扇的风扇旋转， 空气通过其中引入制冷剂的蒸发器; 蒸发器除霜步骤，当所述风扇的连续旋转时间大于设定时间时，在所述制冷剂被引入所述蒸发器的除霜模式下操作所述冰箱; 以及蒸发器除霜结束步骤，当由除霜的蒸发器的除霜传感器检测到的温度高于蒸发器除霜步骤开始后的返回设定温度时，完成冰箱的除霜模式。 因此，本发明的优点在于，可以在需要除霜的确切时间点对每个蒸发器进行高效除霜。

公开(公告)号：US07520730B2

公开(公告)日：2009-04-21

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.

Abstract translation: 一种用于控制压缩机的操作的装置，包括：反电动势计算器，用于基于施加到压缩机的电动机的电流的值来计算压缩机的反电动势，以及施加到电动机的电压值 压缩机; 操作频率参考值确定单元，用于基于反电动势值和当前值检测压缩机的机械共振频率，并将检测到的机械共振频率确定为操作频率参考值; 以及控制器，用于根据确定的操作频率参考值改变压缩机的操作频率。