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    • 4. 发明申请
    • Appliance using a water hardness sensor system and method of operating the same
    • 电器采用水硬度传感器系统及其操作方法
    • US20070295665A1
    • 2007-12-27
    • US11473868
    • 2006-06-23
    • Raul Eduardo AyalaJames Rulon Young RawsonTodd Vincent GravesAndrew Michael Leach
    • Raul Eduardo AyalaJames Rulon Young RawsonTodd Vincent GravesAndrew Michael Leach
    • C02F1/42
    • C02F1/008C02F1/42C02F1/441C02F2209/005C02F2209/055C02F2209/40Y10S261/46
    • An appliance using water including an incoming water valve is provided. The appliance also includes a sensor disposed in-line to an incoming flow of water received from the incoming water valve and is configured to sense a degree of hardness in the incoming flow of water. The sensor includes a substrate and a sensing element disposed on the substrate. The sensing element includes a sensing matrix, an indicator for one or more chemical species in a flow of water, and a selectivity component that reacts reversibly with the one or more chemical species in the water. The sensor also includes a light source configured to direct light through the substrate and the sensing matrix. The sensor further includes a light detector configured to receive transmitted light from the substrate and the sensing matrix and to generate a signal representative of selective wavelengths of the light indicative of the one or more chemical species in the flow of water. The appliance also includes a cleaning volume, a drain for the cleaning volume and an additive valve for an additive used for cleaning. The appliance further includes a controller configured to receive a signal indicative of hardness of the flow of water from the sensor and output it to control the incoming water valve, the additive valve and the drain on the cleaning volume.
    • 提供了一种使用包括进水阀在内的水的设备。 该器具还包括传感器,其与从入水阀接收的进入的水流成线配置,并且构造成感测进入的水流中的硬度。 传感器包括衬底和设置在衬底上的感测元件。 感测元件包括感测矩阵,水流中的一种或多种化学物质的指示剂以及与水中的一种或多种化学物质可逆地反应的选择性成分。 传感器还包括被配置为引导光通过基板和感测矩阵的光源。 传感器还包括光检测器,其被配置为从基板和感测矩阵接收透射光,并且产生代表在水流中指示一种或多种化学物质的光的选择波长的信号。 该器具还包括清洁体积,用于清洁体积的排水口和用于清洁的添加剂的添加阀。 该器具还包括控制器,该控制器被配置为接收指示来自传感器的水流的硬度的信号并将其输出以控制进入的水阀,添加阀和清洁体积上的排水口。