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公开(公告)号：JP2001230512A
公开(公告)日：2001-08-24
申请号：JP2000381402
申请日：2000-12-15
Applicant: LG ELECTRONICS INC
Inventor： LEE SANG-KYUN , RII JE-CHUN , HWANG MIN-KYU
Abstract: PROBLEM TO BE SOLVED: To provide a single module-system for an electrical/electronic product, where the volume of a product can be reduced by making all elements, except large electrical equipment to be a module, in a household appliance which adopts an inverter. SOLUTION: This single module system for an electrical/electronic product constituted by including a first module which is provided with a PCB and a heat generating element, arranged on the PCB, and a second module which is arranged on the first module and provided with a PCB and an element generating no heat which is arranged on the PCB. The PCB in the first module part is a ceramic PCB or a metal PCB, and the PCB in the second module part is an epoxy PCB or a phenol PCB.
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公开(公告)号：JP2003056470A
公开(公告)日：2003-02-26
申请号：JP2002129776
申请日：2002-05-01
Applicant: Lg Electronics Inc , エルジー電子株式会社
Inventor： YOO JAE-YOO , LEE CHEL WOONG , HWANG MIN-KYU
CPC classification number: F04B35/045 , F04B2203/0401 , F04B2203/0402 , F04B2203/0409
Abstract: PROBLEM TO BE SOLVED: To provide a stroke control device and method for a reciprocating compressor that can improve operation efficiency. SOLUTION: This stroke control device for the reciprocating compressor comprises a current detecting part 120 for detecting a current flowing to a motor of the reciprocating compressor 110; a stroke detecting part 130 for detecting the stroke of a piston by the voltage and current applied to the motor; a phase difference detecting part 140 for detecting the phase difference by the stroke and the motor current of the current detecting part 120; an operation frequency determining part 150 for determining operation frequency suitable for the phase difference, a frequency/stroke storage part 160 for storing the stroke value; a stroke command value determining part 170 for determining a stroke command value; a control part 180 for outputting a stroke control signal according to the stroke command value and the stroke value of the piston at and after a prescribed point of time; and an inverter 190 for varying the voltage applied to the motor of the reciprocating compressor 110.
Abstract translation: 要解决的问题：提供一种可提高运行效率的往复式压缩机的行程控制装置和方法。 解决方案：用于往复式压缩机的行程控制装置包括用于检测流向往复式压缩机110的电动机的电流的电流检测部分120; 行程检测部分130，用于通过施加到电动机的电压和电流来检测活塞的行程; 用于检测电流检测部分120的行程和电动机电流的相位差的相位差检测部分140; 用于确定适合于相位差的操作频率的操作频率确定部件150，用于存储行程值的频率/行程存储部件160; 用于确定行程命令值的行程命令值确定部分170; 控制部180，用于根据行程指令值和规定时间点后的活塞的行程值输出行程控制信号; 以及用于改变施加到往复式压缩机110的马达的电压的逆变器190。
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公开(公告)号：JP2002235672A
公开(公告)日：2002-08-23
申请号：JP2001357150
申请日：2001-11-22
Applicant: LG ELECTRONICS INC
Inventor： YOO JAE YOO , LEE JAE CHUN , HWANG MIN-KYU , LEE CHEL WOONG
Abstract: PROBLEM TO BE SOLVED: To provide a drive circuit of a linear compressor allowing reducing the used number of precision resistances for detecting voltage and a current applying the linear compressor to reduce manufacturing costs. SOLUTION: An earth terminal is connected between a resistance R100 for sensing a current and the linear compressor 100A. This drive circuit is formed by comprising an electric circuit part 100 for supplying voltage and current to the linear compressor 100A by switching signals of an AC switching element, a voltage detecting part 300 for detecting and outputting voltage applied on the compressor 100A, a stroke calculating part 400 for calculating strokes of the compressor 100A, and a microcomputer 500 for outputting the switching signals for regulating voltage applied on the compressor 100A to the switching element.
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公开(公告)号：JP2001223327A
公开(公告)日：2001-08-17
申请号：JP2000385790
申请日：2000-12-19
Applicant: LG ELECTRONICS INC
Inventor： HWANG MIN-KYU , LEE JAE-CHUN , LEE SANG-KYUN
Abstract: PROBLEM TO BE SOLVED: To provide one system module for an electric/electronic components capable of being reduced in size of the module by facilitating an application of the pin of the module to the product by disposing the pins at three sides. SOLUTION: Power pins 502 and signal pins 503 are distributed and disposed in a 'U-shaped' state at three sides of a case 501. An overall size of the module is contracted. Coupling holes for coupling the case to a heat sink are prepared at two places in an at least diagonal line direction of the four corners of the case. A plurality of connecting pins and its plurality of connecting pin inserting holes for electrically connecting a power board and a signal board to one another are complementarily prepared to simplify an assembling work.
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公开(公告)号：BR0201878A
公开(公告)日：2003-04-29
申请号：BR0201878
申请日：2002-05-21
Applicant: LG ELECTRONICS INC
Inventor： YOO JAE-YOO , HWANG MIN-KYU , LEE CHEL WOONG
IPC: F04B49/06 , F04B1/00 , F04B35/04 , F24F11/02 , F24F11/46 , F24F11/49 , F24F11/61 , F24F11/64 , F24F11/86 , F24F11/88 , F25B1/00 , F25B1/02 , H02P21/18 , H02P21/22 , H02P21/24 , H02P23/04 , H02P23/16 , H02P23/18 , H02P25/04 , H02P27/02 , H02P27/16
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).
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Patent Agency Ranking
公开(公告)号：DE10226491A1
公开(公告)日：2003-02-27
申请号：DE10226491
申请日：2002-06-14
Applicant: LG ELECTRONICS INC
Inventor： YOO JAE-YOO , LEE CHEL WOONG , HWANG MIN-KYU
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.
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公开(公告)号：DE10226491B4
公开(公告)日：2006-03-23
申请号：DE10226491
申请日：2002-06-14
Applicant: LG ELECTRONICS INC
Inventor： YOO JAE-YOO , LEE CHEL WOONG , HWANG MIN-KYU
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.
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公开(公告)号：BR0201947A
公开(公告)日：2003-04-29
申请号：BR0201947
申请日：2002-05-24
Applicant: LG ELECTRONICS INC
Inventor： YOO JAE-YOO , LEE CHEL WOONG , HWANG MIN-KYU
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.
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公开(公告)号：DE10224422B4
公开(公告)日：2006-07-27
申请号：DE10224422
申请日：2002-06-01
Applicant: LG ELECTRONICS INC
Inventor： YOO JAE-YOO , HWANG MIN-KYU , LEE CHEL WOONG
IPC: F04B49/06 , F04B1/00 , F04B35/04 , F24F11/02 , F24F11/46 , F24F11/49 , F24F11/61 , F24F11/64 , F24F11/86 , F24F11/88 , F25B1/00 , F25B1/02 , H02P21/18 , H02P21/22 , H02P21/24 , H02P23/04 , H02P23/16 , H02P23/18 , H02P25/04 , H02P27/02 , H02P27/16
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).
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公开(公告)号：DE10062109A1
公开(公告)日：2001-09-06
申请号：DE10062109
申请日：2000-12-13
Applicant: LG ELECTRONICS INC
Inventor： HWANG MIN-KYU , LEE JAE-CHUN , LEE SANG-KYUN
Abstract: The power pins (502) and signal pins (503) are provided on three edges of a case (501). A power board and a signal board provided inside their case are electrically connected with power pins and signal pins, respectively.
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