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    • 82. 发明公开
    • Detection of detergent
    • Waschmittelermittlung
    • EP2206457A1
    • 2010-07-14
    • EP09000087.8
    • 2009-01-07
    • Electrolux Home Products Corporation N.V.
    • Pimputkar, GirishPers, Per-Erik
    • A47L15/42A47L15/44
    • A47L15/4297A47L15/0049A47L15/0055A47L15/449A47L2401/023A47L2401/026A47L2401/10A47L2501/26A47L2501/30
    • A dish-washing machine (400) comprising a detergent detector (100) is disclosed. The detergent detector (100) comprises a turbidity sensor and a processor communicatively coupled to the turbidity sensor. The turbidity sensor may include a light source for emitting light, and a light-sensitive element for receiving light emitted from the light source. The light source and the light-sensitive element are advantageously positioned relative to each other so that, when the light source is in operation, light emitted from the light source propagates through a fluid contained in the dish-washing machine on its way to the light sensitive element. The light-sensitive element is configured to measure the radiant intensity of light received at the light-sensitive element. The processor is configured to compare the radiant intensity of the light emitted from the light source with the radiant intensity of the light received at the light-sensitive element and, based on this information, to determine a turbidity value. Furthermore, the processor is configured to interpret the turbidity value as an indication of the presence of detergent in the fluid.
    • 公开了一种包括洗涤剂检测器(100)的洗碗机(400)。 洗涤剂检测器(100)包括浊度传感器和通信地耦合到浊度传感器的处理器。 浊度传感器可以包括用于发光的光源和用于接收从光源发射的光的光敏元件。 光源和感光元件有利地相对于彼此定位,使得当光源处于工作状态时,从光源发射的光在通向洗碗机中的流体的途中传播到光 敏感元件。 感光元件被配置为测量在光敏元件处接收的光的辐射强度。 处理器被配置为将从光源发射的光的辐射强度与在光敏元件处接收的光的辐射强度进行比较,并且基于该信息来确定浊度值。 此外,处理器被配置为将浊度值解释为流体中洗涤剂的存在的指示。