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    • 4. 发明申请
    • METHOD AND SYSTEM FOR CONTROLLING DEFROSTING OF A HEAT-EXCHANGER
    • 控制热交换器缺陷的方法和系统
    • WO2013048327A1
    • 2013-04-04
    • PCT/SE2012/051034
    • 2012-09-27
    • VOLTAIR SYSTEMS AB
    • HALVARSSON, ChristianBRISENHEIM, Erik
    • F28F17/00F24F12/00
    • F28F19/006F24F11/41F24F12/006F28F17/00F28F2200/00Y02B30/563
    • The invention is related to a method for controlling defrosting of a heat-exchanger (1). The method comprises determining a coefficient of utilization (η) of the heat-exchanger, then considering the coefficient of utilization (η), and then determine if the heat-exchanger requires defrosting. The invention is also related to a system for a heat-exchanger (1). The system for the heat-exchanger comprises measurement gear (11) at the heat-exchanger (1), wherein the measurement gear (11) is configured to collect data for the coefficient of utilization (η) of the heat-exchanger, which data is provided for use in a calculator unit (12) for calculating the coefficient of utilization (η). The calculator unit (12) is configured to send a signal (Sn) for the coefficient of utilization. The system also comprises an evaluation unit (14) configured to receive the signal (Sn) for the coefficient of utilization and determine if the heat-exchanger needs defrosting based on the coefficient of utilization (η).
    • 本发明涉及一种控制热交换器(1)除霜的方法。 该方法包括确定热交换器的利用系数(eta),然后考虑利用系数(eta),然后确定热交换器是否需要除霜。 本发明还涉及一种用于热交换器(1)的系统。 用于热交换器的系统包括在热交换器(1)处的测量齿轮(11),其中测量齿轮(11)被配置为收集热交换器的利用系数(eta)的数据,该数据 被提供用于计算单元(12)以计算使用系数(eta)。 计算器单元(12)被配置为发送用于系数利用率的信号(Sn)。 该系统还包括评估单元(14),其被配置为接收用于所述系数的信号(Sn),并且基于所述利用系数(eta)确定所述热交换器是否需要除霜。