Reciprocating compressor stroke control by compensating motor inductance influences
    1.
    发明授权
    Reciprocating compressor stroke control by compensating motor inductance influences 失效
    通过补偿电机电感影响往复式压缩机行程控制

    公开(公告)号:US08221090B2

    公开(公告)日:2012-07-17

    申请号:US12091162

    申请日:2006-10-18

    IPC分类号: F04B49/06

    摘要: An operation controlling apparatus for a reciprocating compressor, and a method thereof, which are capable of accurately controlling the reciprocating compressor by sensing a size of a load applied to the reciprocating compressor and a stroke estimation value of the reciprocating compressor and then compensating a parameter of a motor in the reciprocating compressor based upon the sensing, the operation controlling apparatus comprising a controlling unit a controlling unit for comparing a phase difference between a detected current and a stroke with a reference phase difference to determine a size of a load, and outputting, according to the determined size of the load, a compensation control signal to compensate a parameter of a motor and a stroke control signal to control the stroke.

    摘要翻译: 一种用于往复式压缩机的操作控制装置及其方法,其能够通过感测施加到往复式压缩机的负载的尺寸和往复式压缩机的冲程估计值来精确地控制往复式压缩机,然后补偿 所述运行控制装置包括:控制单元,用于将检测到的电流和行程之间的相位差与参考相位差进行比较,以确定负载的大小;以及控制单元, 根据确定的负载尺寸,补偿控制信号以补偿电动机的参数和行程控制信号以控制行程。

    Operation Controlling Apparatus for Reciprocating Compressor and Method Thereof
    2.
    发明申请
    Operation Controlling Apparatus for Reciprocating Compressor and Method Thereof 失效
    往复式压缩机的操作控制装置及其方法

    公开(公告)号:US20080226465A1

    公开(公告)日:2008-09-18

    申请号:US12091162

    申请日:2006-10-18

    IPC分类号: F04B49/12

    摘要: An operation controlling apparatus for a reciprocating compressor, and a method thereof, which are capable of accurately controlling the reciprocating compressor by sensing a size of a load applied to the reciprocating compressor and a stroke estimation value of the reciprocating compressor and then compensating a parameter of a motor in the reciprocating compressor based upon the sensing, the operation controlling apparatus comprising a controlling unit a controlling unit for comparing a phase difference between a detected current and a stroke with a reference phase difference to determine a size of a load, and outputting, according to the determined size of the load, a compensation control signal to compensate a parameter of a motor and a stroke control signal to control the stroke.

    摘要翻译: 一种用于往复式压缩机的操作控制装置及其方法,其能够通过感测施加到往复式压缩机的负载的尺寸和往复式压缩机的冲程估计值来精确地控制往复式压缩机,然后补偿 所述运行控制装置包括:控制单元,用于将检测到的电流和行程之间的相位差与参考相位差进行比较,以确定负载的大小;以及控制单元, 根据确定的负载尺寸,补偿控制信号以补偿电动机的参数和行程控制信号以控制行程。

    Apparatus and method for controlling operation of compressor

    公开(公告)号:US20060056980A1

    公开(公告)日:2006-03-16

    申请号:US11033281

    申请日:2005-01-12

    IPC分类号: F04B49/06

    摘要: 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.

    APPARATUS AND METHOD FOR CONTROLLING OPERATION OF LINEAR COMPRESSOR
    4.
    发明申请
    APPARATUS AND METHOD FOR CONTROLLING OPERATION OF LINEAR COMPRESSOR 有权
    控制线性压缩机运行的装置和方法

    公开(公告)号:US20090010766A1

    公开(公告)日:2009-01-08

    申请号:US12159316

    申请日:2006-12-28

    IPC分类号: F04B49/06 G05F5/04

    CPC分类号: F04B49/065

    摘要: 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.

    摘要翻译: 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。

    Apparatus and method for controlling operation of reciprocating compressor
    5.
    发明申请
    Apparatus and method for controlling operation of reciprocating compressor 有权
    用于控制往复式压缩机运行的装置和方法

    公开(公告)号:US20050158178A1

    公开(公告)日:2005-07-21

    申请号:US11019287

    申请日:2004-12-23

    摘要: 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.

    摘要翻译: 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。

    Apparatus and method for controlling operation of linear compressor
    6.
    发明授权
    Apparatus and method for controlling operation of linear compressor 有权
    用于控制线性压缩机运行的装置和方法

    公开(公告)号:US08277199B2

    公开(公告)日:2012-10-02

    申请号:US12159316

    申请日:2006-12-28

    IPC分类号: F04B49/06

    CPC分类号: F04B49/065

    摘要: 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.

    摘要翻译: 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。

    Apparatus and method for controlling operation of a linear compressor using a detected inflection point
    7.
    发明授权
    Apparatus and method for controlling operation of a linear compressor using a detected inflection point 有权
    用于使用检测到的拐点来控制线性压缩机的操作的装置和方法

    公开(公告)号:US08100668B2

    公开(公告)日:2012-01-24

    申请号:US12087343

    申请日:2006-12-28

    IPC分类号: F04B49/06 H02P1/00

    摘要: An apparatus and method for controlling an operation of a reciprocating compressor are disclosed in which a point of inflection with respect to an operation frequency of the reciprocating compressor is detected at a point of time when a phase difference between current and stroke is uniformly maintained, and an operation of the reciprocating compressor is controlled upon recognizing the detected point of inflection with respect to the operation frequency as a point TDC=O. 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 inflection point detect signal or a frequency variable signal; and a stroke reference value control unit for determining whether a frequency inflection point has been detected or not according to the frequency inflection point detect signal and outputting a stroke reference value control signal based on the determining result.

    摘要翻译: 公开了一种用于控制往复式压缩机的操作的装置和方法,其中在电流和行程之间的相位差被均匀地保持的时间点检测相对于往复式压缩机的操作频率的拐点,以及 通过将检测到的拐点相对于操作频率识别为点TDC = O来控制往复式压缩机的操作。 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,并输出频率拐点检测信号或频率可变信号; 以及行程基准值控制单元,用于根据所述频率拐点检测信号确定是否检测到频率拐点,并且基于所述确定结果输出笔画参考值控制信号。

    DRIVING CONTROL APPARATUS AND METHOD FOR LINEAR COMPRESSOR
    8.
    发明申请
    DRIVING CONTROL APPARATUS AND METHOD FOR LINEAR COMPRESSOR 有权
    线性压缩机的驱动控制装置和方法

    公开(公告)号:US20090097987A1

    公开(公告)日:2009-04-16

    申请号:US12297423

    申请日:2007-04-18

    IPC分类号: F04B49/06 H02P25/06

    摘要: An apparatus for controlling an operation of a reciprocating compressor, includes: a control unit for detecting a current pushed amount of a piston when a TDC is detected as an inflection point of a phase difference between stroke and current, comparing the current pushed amount with a pushed amount reference value, and applying a DC voltage applied to a linear motor based on the comparison result. An AC voltage and a DC voltage are applied to the linear motor to increase the stroke, and when the TDC is detected, the current pushed amount is calculated and compared with the pushed amount reference value, and then, the DC voltage or a DC current applied to the linear motor is varied based on the comparison result, thereby obtaining a maximum compression volume without collision of the piston.

    摘要翻译: 一种用于控制往复式压缩机的操作的装置,包括:控制单元,用于当TDC被检测为行程和电流之间的相位差的拐点时检测活塞的当前推动量,将当前推动量与 推定量参考值,并且基于比较结果施加施加到线性电动机的DC电压。 交流电压和直流电压被施加到线性电动机以增加行程,并且当检测到TDC时,计算当前推动量并将其与推压量参考值进行比较,然后将直流电压或直流电流 基于比较结果,施加到直线电动机的方式变化,从而获得最大压缩体积而没有活塞碰撞。

    Apparatus and Method for Controlling Operation of Linear Compressor
    9.
    发明申请
    Apparatus and Method for Controlling Operation of Linear Compressor 有权
    控制线性压缩机运行的装置和方法

    公开(公告)号:US20090004026A1

    公开(公告)日:2009-01-01

    申请号:US12087343

    申请日:2006-12-28

    IPC分类号: F04B49/12 F04B49/06

    摘要: An apparatus and method for controlling an operation of a reciprocating compressor are disclosed in which a point of inflection with respect to an operation frequency of the reciprocating compressor is detected at a point of time when a phase difference between current and stroke is uniformly maintained, and an operation of the reciprocating compressor is controlled upon recognizing the detected point of inflection with respect to the operation frequency as a point TDC=O. 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 inflection point detect signal or a frequency variable signal; and a stroke reference value control unit for determining whether a frequency inflection point has been detected or not according to the frequency inflection point detect signal and outputting a stroke reference value control signal based on the determining result.

    摘要翻译: 公开了一种用于控制往复式压缩机的操作的装置和方法,其中在电流和行程之间的相位差被均匀地保持的时间点检测相对于往复式压缩机的操作频率的拐点,以及 通过将检测到的拐点相对于操作频率识别为点TDC = O来控制往复式压缩机的操作。 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,并输出频率拐点检测信号或频率可变信号; 以及行程基准值控制单元,用于根据所述频率拐点检测信号确定是否检测到频率拐点,并且基于所述确定结果输出笔画参考值控制信号。

    Apparatus and method for controlling operation of reciprocating compressor
    10.
    发明授权
    Apparatus and method for controlling operation of reciprocating compressor 有权
    用于控制往复式压缩机运行的装置和方法

    公开(公告)号:US07456592B2

    公开(公告)日:2008-11-25

    申请号:US10944828

    申请日:2004-09-21

    IPC分类号: H02P1/00 H02K33/16

    摘要: 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.

    摘要翻译: 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。