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    • 57. 发明公开
    • FLOW RATE CONTROL VALVE
    • STRÖMUNGSGESCHWINDIGKEITS-STEUERVENTIL
    • EP1600841A4
    • 2006-11-22
    • EP04716730
    • 2004-03-03
    • TGK CO LTD
    • HIROTA H
    • B60H1/32G05D7/06F04B27/067F04B27/14F25B1/00F25B41/06
    • G05D7/0635F04B27/067F04B27/14F25B41/062F25B2341/063F25B2341/065F25B2600/2505F25B2600/2515G05D16/2013Y02B30/72
    • A constant flow rate control-type flow rate control valve with a simplified structure. The flow rate control valve has an evaporator (1) considered as a choked passage and a constant differential pressure valve. The constant differential pressure valve regulates a differential pressure caused by pressure loss, occurring across the evaporator (1) when a refrigerant passes through it, to a substantially constant level. In the constant differential pressure valve, its valve body (12) receives an exit pressure (Px) of the flow rate control valve acting in a valve closing direction, and its piston (13) receives an exit pressure (Pe) of the evaporator (1) acting in a valve opening direction. The difference between an entrance pressure of the evaporator (1) and the exit pressure (Pe) is regulated to a substantially constant level, and as a result, the flow rate of the refrigerant fed into the evaporator (1) is regulated to a constant level that depends on an electric current passed through a solenoid. This eliminates the necessity of providing a choked passage in the flow rate control valve, enabling the structure of the valve to be simplified and the valve to be provided at low cost.
    • 提供了一种恒流量控制型流量控制阀,结构简单。 流量控制阀通过将作为限制通路的蒸发器(1)构成为包括用于控制由制冷剂通过蒸发器(1)而引起的压力损失前后的压差的恒定压差控制阀, 基本上不变。 在恒定差压控制阀中,阀元件(12)在阀关闭方向上从流量控制阀的出口接收压力(Px),活塞(13)从压力(P)接收来自 蒸发器(1)处于阀打开方向。 通过控制蒸发器(1)的入口处的压力与蒸发器(1)的出口处的压力(Pe)之间的差压使其基本恒定,恒定压差控制阀使制冷剂流入 蒸发器(1)以恒定流量取决于对螺线管通电的电流。 因此,不需要在流量控制阀中形成限制通道,因此能够简化流量控制阀的结构,能够提供以低成本制造的流量控制阀。
    • 58. 发明公开
    • 압축기 제어장치 및 압축기 제어방법
    • 控制压缩机的装置和方法
    • KR1020130086504A
    • 2013-08-02
    • KR1020120007509
    • 2012-01-25
    • 엘지전자 주식회사
    • 김규남유재유이보람
    • F04B49/02F04B27/067
    • PURPOSE: A compressor control apparatus and a method for controlling a compressor are provided to improve the operating efficiency of the compressor as an AC capacitor is used only when needed. CONSTITUTION: A compressor control apparatus comprises prevailing power (10), a compressor (30), a microcomputer (80), an AC capacitor (40), and a switch unit (50). The prevailing power supplies power to the compressor. The compressor makes a piston oscillate by being supplied with the power. The AC capacitor is connected to the compressor in series, and supplies additional power to the compressor. The switch unit controls the prevailing power applied to the AC capacitor according to control signals. The microcomputer generates signals for selectively performing first and second modes. The first mode is for allowing the power applied to the AC capacitor, and the second mode is for allowing the power to pass through a branch circuit. [Reference numerals] (80) MICOM
    • 目的:提供压缩机控制装置和控制压缩机的方法,以提高压缩机的运行效率,因为只有在需要时才使用交流电容器。 构成:压缩机控制装置包括主要功率(10),压缩机(30),微型计算机(80),交流电容器(40)和开关单元(50)。 主流电源为压缩机供电。 压缩机通过供电而使活塞振荡。 交流电容器串联连接到压缩机,并向压缩机提供额外的电力。 开关单元根据控制信号控制施加到AC电容器的主要功率。 微计算机产生用于选择性地执行第一和第二模式的信号。 第一模式是允许施加到AC电容器的功率,第二模式是允许电力通过分支电路。 (附图标记)(80)MICOM