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    • 2. 发明授权
    • Hot/cold water mixing device
    • 冷/热水混合装置
    • US4739923A
    • 1988-04-26
    • US80749
    • 1987-07-31
    • Osamu TsutsuiYukihiro MuroyaHirofumi TakeuchiKeiji Hayashi
    • Osamu TsutsuiYukihiro MuroyaHirofumi TakeuchiKeiji Hayashi
    • F16K31/02G05D23/13G05D23/185
    • G05D23/1393
    • A hot/cold water mixing device includes a hot water supply valve disposed in a hot water feed pipe for regulating the amount of hot water passing therethrough, a cold water supply valve disposed in a cold water feed pipe for regulating the amount of cold water passing therethrough, a water mixture pipe connected between the hot and cold water feed pipes and a water outlet, and a control mechanism for controlling an actuating mechanism to open and close the hot and cold water supply valves complementarily to each other. The control mechanism has a mechanism for storing a plurality of characteristics including, at least, a first characteristic having a relatively small gain with respect to the difference between a desired temperature for water discharged from the water outlet and the temperature of water in the water mixture pipe, and a second characteristic having a relatively large gain with respect to the difference, a characteristic selecting and maintaining mechanism for selecting and maintaining the second characteristic when the absolute value of the difference exceeds a relatively large value and for selecting and maintaining the first characteristic when the sign of the difference is inverted, and a mechanism for determining the speed at which the hot water supply valve and the cold water supply valve are opened and closed, according to the selected characteristic. The control mechanism controls the actuating mechanism to open and close the hot water supply valve and the cold water supply valve at the determined speed.
    • 热水/冷水混合装置包括设置在热水供给管中的热水供给阀,用于调节通过其的热水量,设置在冷水供给管中的冷水供给阀,用于调节冷水通过量 通过其连接在冷热水供给管和出水口之间的水混合管,以及用于控制致动机构以彼此互补地打开和关闭热水供应阀的控制机构。 控制机构具有存储多个特性的机构,该机构至少包括相对于从出水口排出的水的期望温度与水混合物中的水的温度之间的差异具有相对较小增益的第一特性 管,以及相对于差异具有相对较大增益的第二特征,当差异的绝对值超过相对大的值时用于选择和保持第二特性的特性选择和维持机制,以及用于选择和保持第一特性 当差异的符号反转时,根据所选择的特性,确定热水供给阀和冷水供给阀的打开和关闭的速度的机构。 控制机构控制致动机构以确定的速度打开和关闭热水供应阀和冷水供应阀。