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    • 9. 发明授权
    • Self-optimizing detergent controller
    • 自动优化洗涤剂控制器
    • US5404893A
    • 1995-04-11
    • US849750
    • 1992-03-12
    • Daniel F. BradyJohn E. McCall, Jr.Clyde A. BaileyJames L. Copeland
    • Daniel F. BradyJohn E. McCall, Jr.Clyde A. BaileyJames L. Copeland
    • G01N27/10A47L15/44B08B3/10D06F39/02G05B13/02G05D21/00B08B7/04
    • G05B13/024A47L15/0055A47L15/449D06F33/02D06F39/02A47L2301/00A47L2401/20A47L2501/26D06F2202/02D06F2212/02
    • An apparatus and method for programming a detergent controller to vary the detergent concentration set-point according to the time of day and to achieve detergent concentration levels quickly without incurring overshoot. Thus, the present invention insures that the warewashing machine is operated at optimum efficiency and cost. To vary the set-point according to the time of day, the invention combines the features of a microprocessor, a clock and a controller into one unit. The user enters the time setting and set point into the controller. The microprocessor then compares the real-time clock signal with the user time settings and outputs an appropriate set-point value from the microprocessor to the controller. To achieve detergent concentration levels quickly without incurring overshoot, the controller senses the detergent concentration and dispenses the proper detergent level to the warewashing machine according to a predetermined detergent feed time based on the previous response time and the programmed set-point. Thus, the controller can change the response function if and when conditions change.
    • 一种用于编程洗涤剂控制器以根据一天中的时间改变洗涤剂浓度设定点并快速实现洗涤剂浓度水平而不引起过冲的装置和方法。 因此,本发明确保了器皿洗涤机以最佳的效率和成本运行。 为了根据时间改变设定点,本发明将微处理器,时钟和控制器的特征组合成一个单元。 用户将时间设置和设定点输入控制器。 然后微处理器将实时时钟信号与用户时间设置进行比较,并从微处理器向控制器输出适当的设定值。 为了快速达到洗涤剂浓度水平而不会引起过冲,控制器根据预先确定的洗涤剂进料时间,根据先前的响应时间和程序设定值,检测洗涤剂浓度,并将适当的清洁剂水份分配给器皿洗涤机。 因此,如果条件变化,控制器可以改变响应功能。