公开(公告)号：US07352142B2

公开(公告)日：2008-04-01

申请号：US11245109

申请日：2005-10-07

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

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

IPC: H02P1/00 ,  H02K33/16

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：US07335001B2

公开(公告)日：2008-02-26

申请号：US10751506

申请日：2004-01-06

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

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

IPC: F04B49/06

CPC classification number: H02P25/032

Abstract: An apparatus and a method for controlling an operation of a reciprocating compressor can improve efficiency of a compressor by reconciling an operation frequency with a mechanical resonant frequency. The apparatus includes a mechanical resonant frequency calculating unit for calculating mechanical resonant frequency, using a current applied to a compressor and a stroke; an operation frequency reference value determining unit for determining an operation frequency reference value within a predetermined range of the calculated mechanical resonant frequency; and a controller for comparing the determined operation frequency and a current operation frequency, and then variably controlling an operation frequency of the compressor according to the comparison result, so that stroke feedback or TDC feedback can be controlled more accurately. Accordingly, an operational efficiency of the compressor is improved.

Abstract translation: 用于控制往复式压缩机的操作的装置和方法可以通过调节操作频率与机械共振频率来提高压缩机的效率。 该装置包括使用施加到压缩机的电流和行程来计算机械谐振频率的机械谐振频率计算单元; 操作频率参考值确定单元，用于确定在所计算的机械共振频率的预定范围内的操作频率参考值; 以及控制器，用于比较所确定的操作频率和当前操作频率，然后根据比较结果可变地控制压缩机的操作频率，使得可以更精确地控制行程反馈或TDC反馈。 因此，提高了压缩机的运转效率。

公开(公告)号：US20070241698A1

公开(公告)日：2007-10-18

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: H02P1/00

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：US20060127225A1

公开(公告)日：2006-06-15

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: F04B49/06

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：US20060056979A1

公开(公告)日：2006-03-16

申请号：US11032142

申请日：2005-01-11

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 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402 ,  F04B2207/045

Abstract: An apparatus for controlling a compressor includes a stroke calculator for calculating a stroke estimate value 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 determining unit for integrating the stroke estimate value to output an integrated stroke value, detecting a mechanical resonance frequency of the compressor based on the integrated stroke estimate value and the current value, and determining the detected mechanical resonance frequency as an operation frequency reference value; and a controller for varying a current operation frequency of the compressor according to the determined operation frequency reference value.

公开(公告)号：US20050141998A1

公开(公告)日：2005-06-30

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

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：US20050137722A1

公开(公告)日：2005-06-23

申请号：US10944828

申请日：2004-09-21

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

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

IPC: F04B49/06 ,  F04B35/04 ,  G05B13/02

CPC classification number: F04B35/045 ,  F04B49/06 ,  F04B2201/0201 ,  F04B2201/0206 ,  F04B2203/0401 ,  F04B2203/0402

Abstract: An apparatus and method for controlling operations of a reciprocating compressor are disclosed. The apparatus includes a compressor control factor detecting unit for detecting a compressor control factor to detect a stroke value corresponding to a point where TDC (Top Dead Center)≈0 on the basis of a stroke estimate value of a reciprocating compressor and values of a current and a voltage applied to a motor of the reciprocating compressor; a stroke reference value determining unit for determining a stroke reference value on the basis of the detected compressor control factor; and a controller for varying a voltage applied to the reciprocating compressor according to the determined stroke 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。 该装置包括压缩机控制因素检测单元，用于根据往复式压缩机的行程估计值和电流值的值，检测压缩机控制因数，以检测对应于TDC（上死点）≈0的点的行程值 以及施加到往复式压缩机的马达的电压; 行程基准值确定单元，用于基于检测到的压缩机控制因数确定行程参考值; 以及控制器，用于根据确定的冲程参考值改变施加到往复式压缩机的电压。

公开(公告)号：US20050111987A1

公开(公告)日：2005-05-26

申请号：US10989387

申请日：2004-11-17

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

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

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

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

Abstract: The present invention relates to an apparatus and method for controlling operation of a reciprocating compressor. The operating efficiency of the compressor can be improved by performing the steps of: detecting a current and a stroke applied a compressor; a calculating a mechanical resonance frequency by using the detected current and stroke; and determining an operating frequency command value by adding or subtracting the present operating frequency so as to be within a predetermined range of the calculated mechanical resonance frequency and then driving the compressor by the operating frequency command value.

Abstract translation: 本发明涉及一种用于控制往复式压缩机的操作的装置和方法。 通过执行以下步骤可以提高压缩机的运行效率：检测施加压缩机的电流和冲程; 通过使用检测到的电流和冲程来计算机械共振频率; 以及通过将当前工作频率相加或减去以计算出的机械共振频率的预定范围来确定操作频率指令值，然后通过操作频率指令值驱动压缩机。