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公开(公告)号：US11441787B2
公开(公告)日：2022-09-13
申请号：US17096889
申请日：2020-11-12
申请人： NORITZ CORPORATION
发明人： Shingo Tateishi , Hiroki Nabeshima , Hideki Nomura , Takanobu Kaneshiro , Hiromi Yamanishi , Ryo Hasegawa , Kenichiro Yasukawa
摘要： Provided is a hot-water supply device. A process performed by a control device of the hot-water supply device includes: a step of shifting an action mode of the hot-water supply device to an instant hot-water mode; a step of measuring an amount of water X; a step of determining that another tap interruption occurs when the amount of water X is equal to or greater than a basic flow amount Y+α; a step of stopping action of a circulation pump; a step of re-learning the amount of water X when the amount of water X is less than a basic flow amount Y−β; a step of ending the instant hot-water circulation mode when an end condition of the instant hot-water mode is satisfied; and a step of measuring the amount of water X when the end condition of the instant hot-water mode is not satisfied.
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公开(公告)号：US09507354B2
公开(公告)日：2016-11-29
申请号：US14149690
申请日：2014-01-07
申请人： NORITZ CORPORATION
CPC分类号： G05D23/1917 , F23N1/082 , F23N5/022 , F23N2025/18 , F23N2025/19 , F24D19/1063 , F24D2220/044 , F24H1/145 , F24H9/2035
摘要： A conversion factor learning unit successively updates a temperature conversion factor by learning a performance ratio of an output heat quantity with respect to an input scale number corresponding to a requested heat quantity generation to a hot water supply apparatus. The temperature conversion factor learned by the conversion factor learning unit is reflected in arithmetic operation of an FF scale number by a feedforward control unit and arithmetic operation of the FB scale number by the feedback control unit. An integral control in the feedback control unit is preferably turned off.
摘要翻译： 转换因子学习单元通过将相对于与所要求的热量产生相对应的输入量表的输出热量的性能比学习到热水供应装置来连续更新温度转换系数。 由转换因子学习单元学习的温度转换因子由反馈控制单元通过前馈控制单元和FB标尺号的算术运算反映在FF标尺号的算术运算中。 反馈控制单元中的积分控制优选地被关闭。
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公开(公告)号：US20210180800A1
公开(公告)日：2021-06-17
申请号：US17096912
申请日：2020-11-12
申请人： NORITZ CORPORATION
发明人： Shingo Tateishi , Hiroki Nabeshima , Hideki Nomura , Takanobu Kaneshiro , Hiromi Yamanishi , Ryo Hasegawa , Kenichiro Yasukawa
IPC分类号： F24D19/10
摘要： Provided is a hot-water supply device which stabilizes hot-water supply even at low water pressure. A process performed by a hot-water supply device includes: a step (S510) of detecting that hot-water supply performed by the hot-water supply device is stopped; a step (S520) of reading a set temperature of the hot-water supply from a memory; a step (S530) of calculating a target opening degree of a total water amount servo based on the read set temperature; a step (S540) of sending, to the total water amount servo, a command for setting an opening degree of a passage through which water flows from the total water amount servo into a heat exchanger to the target opening degree; and a step (S550) in which a stepping motor of the total water amount servo moves in response to the command.
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公开(公告)号：US09557076B2
公开(公告)日：2017-01-31
申请号：US14149661
申请日：2014-01-07
申请人： NORITZ CORPORATION
CPC分类号： F24H9/2035 , F24H1/145
摘要： By a feedback arithmetic operation based on a temperature deviation, an input number is set which corresponds to a requested heat quantity generation, which is a controlled object, to a hot water supply apparatus. The temperature deviation is calculated by correcting a deviation of a tapping temperature with respect to a set hot water temperature with use of a Smith compensation temperature calculated by a Smith compensator for predicting a variation in a tapping temperature prior to an elapse of a dead time corresponding to a detection lag of the tapping temperature. The Smith compensator calculates a Smith compensation temperature to be used in the next control cycle based on the input scale number, the present Smith compensation temperature, and a time constant set in accordance with a flow rate of the hot water supply apparatus.
摘要翻译： 通过基于温度偏差的反馈算术运算，将与作为受控对象的要求的热量生成对应的输入数设定到热水供给装置。 通过使用由史密斯补偿器计算的史密斯补偿温度来校正出口温度相对于设定的热水温度的偏差来计算温度偏差，用于预测在死区时间之前相应的出炉温度的变化 达到出水温度的检测滞后。 史密斯补偿器基于输入标尺号，当前史密斯补偿温度和根据热水供应装置的流量设定的时间常数来计算将在下一个控制周期中使用的史密斯补偿温度。
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公开(公告)号：US20210156593A1
公开(公告)日：2021-05-27
申请号：US17065524
申请日：2020-10-08
申请人： NORITZ CORPORATION
发明人： Kenichiro Yasukawa , Hiroki Nabeshima , Shingo Tateishi , Hideki Nomura , Takanobu Kaneshiro , Hiromi Yamanishi , Ryo Hasegawa
摘要： A hot water supply device includes: a first pipe connected to a water inlet; a flow detector detecting a flow of water in the first pipe; a heating mechanism heating the water; a second pipe through which warm water flows, connected to the first pipe via a third pipe; a circulating pump disposed in a path of the first pipe, sending the warm water in the third pipe toward the heating mechanism during operation; and a control device. Based on acceptance of an execution command of an instant hot water circulation mode, the control device operates the circulating pump, and, in response to a set hot water output temperature exceeding a limit temperature, adjusts a heating temperature of the heating mechanism, so that the temperature of the warm water becomes equal to or lower than the limit temperature.
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公开(公告)号：US20210156570A1
公开(公告)日：2021-05-27
申请号：US17096889
申请日：2020-11-12
申请人： NORITZ CORPORATION
发明人： Shingo Tateishi , Hiroki Nabeshima , Hideki Nomura , Takanobu Kaneshiro , Hiromi Yamanishi , Ryo Hasegawa , Kenichiro Yasukawa
摘要： Provided is a hot-water supply device. A process performed by a control device of the hot-water supply device includes: a step of shifting an action mode of the hot-water supply device to an instant hot-water mode; a step of measuring an amount of water X; a step of determining that another tap interruption occurs when the amount of water X is equal to or greater than a basic flow amount Y+α; a step of stopping action of a circulation pump; a step of re-learning the amount of water X when the amount of water X is less than a basic flow amount Y−β; a step of ending the instant hot-water circulation mode when an end condition of the instant hot-water mode is satisfied; and a step of measuring the amount of water X when the end condition of the instant hot-water mode is not satisfied.
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