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    • 3. 发明授权
    • Circuit for driving linear compressor
    • 线性压缩机驱动电路
    • US06565327B2
    • 2003-05-20
    • US09984050
    • 2001-10-26
    • Jae Yoo YooJae Chun LeeMin Kyu HwangChel Woong Lee
    • Jae Yoo YooJae Chun LeeMin Kyu HwangChel Woong Lee
    • F04B4906
    • F04B35/045F04B49/065F04B2201/0206F04B2203/0401F04B2203/0402
    • Disclosed is a circuit for driving a linear compressor enabling to reduce a cost in detecting voltage and current applied to a linear compressor by decreasing the number of precision resistors. The present invention includes a linear compressor controlling a cooling capacity by varying a stroke through an up-and-down straight-line motion of a piston, an electric circuit part supplying the linear compressor with voltage and current in accordance with a switching signal of an AC switching device through a current detect resistor and the AC switching device wherein a ground terminal is connected between the current detect resistor and linear compressor, a voltage detection unit detecting the voltage applied to the linear compressor by taking the ground terminal as a reference and outputting the detected voltage, a stroke calculation unit receiving the detected current and voltage to calculate the stroke, a speed or an acceleration speed of the linear compressor, and a microcomputer inputting a switching signal for controlling the voltage applied to the linear compressor into the switching device to make a present stroke follow an initial stroke reference.
    • 公开了一种用于驱动线性压缩机的电路,其能够通过减少精密电阻器的数量来降低检测施加到线性压缩机的电压和电流的成本。 本发明包括线性压缩机,其通过活塞的上下直线运动改变行程来控制冷却能力,电路部分根据一个活塞的切换信号向线性压缩机提供电压和电流 交流开关装置,通过电流检测电阻器和交流开关装置,其中接地端子连接在电流检测电阻器和线性压缩机之间,电压检测单元通过以接地端子作为参考来检测施加到线性压缩机的电压,并输出 所述检测电压,行程计算单元,接收所检测的电流和电压以计算所述行程,所述线性压缩机的速度或加速度;以及微型计算机,将用于控制施加到所述线性压缩机的电压的开关信号输入到所述开关装置 使当前行程跟随初始笔画参考。
    • 6. 发明授权
    • Apparatus and method for controlling operation of compressor
    • 控制压缩机运行的装置和方法
    • US06815922B2
    • 2004-11-09
    • US10406307
    • 2003-04-04
    • Jae Yoo YooChel Woong LeeJi Won SungHyuk Lee
    • Jae Yoo YooChel Woong LeeJi Won SungHyuk Lee
    • G05D23275
    • F04B35/045F04B49/06F04B2201/0206F04B2203/0401F04B2203/0402
    • An apparatus and a method are disclosed for controlling operation of a compressor capable of greatly decreasing a stroke estimation error of a compressor and controlling operation of the compressor accurately and precisely. The method includes calculating a first stroke estimation value of a compressor on the basis of current, a voltage applied to a motor of a compressor and preset parameters of the motor. Detecting a counter electromotive force of the motor and calculating a second stroke estimation value of the compressor on the basis of the detected counter electromotive force value. Determining a new stroke reference value by comparing the first stroke estimation value with the second stroke estimation value, adding or subtracting a stroke compensation value corresponding to the comparison result to or from a preset stroke reference value, and controlling a stroke of the compressor by varying a voltage applied to the motor on the basis of the determined stroke reference value and the first stroke estimation value.
    • 公开了一种用于控制能够大大降低压缩机的行程估计误差并且精确且准确地控制压缩机的操作的压缩机的操作的装置和方法。 该方法包括基于电流,施加到压缩机的电动机的电压和电动机的预设参数来计算压缩机的第一冲程估计值。 检测电动机的反电动势,并基于检测到的反电动势值计算压缩机的第二行程估计值。 通过将第一笔划估计值与第二笔划估计值进行比较来确定新笔画参考值,将对应于比较结果的笔画补偿值与预设笔画参考值相加或减去,并通过改变压缩器的行程来控制压缩机的笔划 基于所确定的冲程基准值和第一冲程估计值,施加到马达的电压。
    • 10. 发明申请
    • REFRIGERATOR AND OPERATING METHOD THEREOF
    • 制冷机及其操作方法
    • US20100132385A1
    • 2010-06-03
    • US12593675
    • 2008-03-29
    • Jae Yoo YooChang Oh Kim
    • Jae Yoo YooChang Oh Kim
    • F25B1/00F25D13/04
    • F25D29/006H02H9/001H02M1/32H02M5/45Y10S323/908
    • A refrigerator and a method of operating the same are disclosed. The refrigerator includes an inrush current preventing unit for preventing an excessive current from being applied when an input power is applied to the refrigerator, a bypass unit connected to the inrush current preventing unit to bypass the input power, a voltage measuring unit for measuring a voltage of the rectified and smoothed input power, and a controller for controlling the input power input through the inrush current preventing unit in response to the voltage measured by the voltage measuring unit, for recovering a function of the inrush current preventing unit, and for driving a compressor. An excessive voltage or an inrush current is prevented from being applied when the refrigerator is operated, and the input power is bypassed when the compressor is driven. Therefore, standby time for the re-driving is decreased and convenience is enhanced.
    • 公开了一种冰箱及其操作方法。 冰箱包括浪涌电流防止单元,用于防止在向冰箱施加输入电力时施加过大的电流;连接到浪涌电流防止单元旁路输入电力的旁路单元,用于测量电压的电压测量单元 整流平滑输入功率的控制器,以及用于响应于由电压测量单元测量的电压来控制通过浪涌电流防止单元输入的输入功率的控制器,用于恢复浪涌电流防止单元的功能,并用于驱动 压缩机。 当冰箱操作时防止施加过大的电压或浪涌电流,并且当压缩机被驱动时输入功率被旁路。 因此,重新驾驶的待机时间减少,便于提高。