公开(公告)号：US20180372343A1

公开(公告)日：2018-12-27

申请号：US16012829

申请日：2018-06-20

申请人： NORITZ CORPORATION

发明人： Rena Kusachi ,  Yoshifumi Atobe ,  Naoki Tsuda ,  Keiichiro Iwanami ,  Hiroshi Morimoto ,  Akihisa Kageyama ,  Takehito Yokoyama ,  Midori Yokoyama

IPC分类号： F24D19/10 ,  F24D3/08 ,  F24D12/02 ,  F24D17/00

摘要： When a hot water supply operation is started, a single mode is used in which hot water is output only from a second hot water supply circuit of a water heater, by cut-off of a flow path in a first hot water supply circuit of a space-heating water heater by a cut-off mechanism. When a load imposed by hot water supply by the second hot water supply circuit increases during the hot water supply operation in the single mode, the cut-off mechanism is opened to start hot water output from the first hot water supply circuit and a hot water supply operation in a parallel mode is performed in which hot water is output from both of the first hot water supply circuit and the second hot water supply circuit.

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

发明人： Rena Kusachi ,  Kenichi Nakayama ,  Hiroki Nabeshima ,  Yuki Maeshima

IPC分类号： G05D23/19 ,  F24H1/14 ,  F24H9/20 ,  F23N1/08 ,  F23N5/02 ,  F24D19/10

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。

公开(公告)号：US11149965B2

公开(公告)日：2021-10-19

申请号：US16012829

申请日：2018-06-20

申请人： NORITZ CORPORATION

发明人： Rena Kusachi ,  Yoshifumi Atobe ,  Naoki Tsuda ,  Keiichiro Iwanami ,  Hiroshi Morimoto ,  Akihisa Kageyama ,  Takehito Yokoyama ,  Midori Yokoyama

IPC分类号： F24D19/10 ,  F24D3/08 ,  F24D12/02 ,  F24D17/00

摘要： When a hot water supply operation is started, a single mode is used in which hot water is output only from a second hot water supply circuit of a water heater, by cut-off of a flow path in a first hot water supply circuit of a space-heating water heater by a cut-off mechanism. When a load imposed by hot water supply by the second hot water supply circuit increases during the hot water supply operation in the single mode, the cut-off mechanism is opened to start hot water output from the first hot water supply circuit and a hot water supply operation in a parallel mode is performed in which hot water is output from both of the first hot water supply circuit and the second hot water supply circuit.

公开(公告)号：US09879859B2

公开(公告)日：2018-01-30

申请号：US14806402

申请日：2015-07-22

申请人： NORITZ CORPORATION

发明人： Rena Kusachi ,  Daisuke Konishi ,  Kenichi Nakayama

IPC分类号： F23N1/02 ,  F23N1/04 ,  F23C7/00 ,  F23L17/00 ,  F23N5/24

CPC分类号： F23N1/042 ,  F23C7/008 ,  F23L17/005 ,  F23N5/242 ,  F23N2033/04 ,  F23N2033/08

摘要： In a suction fan type combustion apparatus, when an air supply/exhaust path of a combustion and heating unit is clogged, a combustion fan has a degraded fan current for the same fan rotation speed. Furthermore, the suction fan type configuration has the combustion and heating unit's internal pressure reduced as the combustion fan rotates faster. A combustion burner supplies fuel gas with a pressure applied thereto, which is regulated by a gas proportional valve. A degree of opening of the gas proportional valve is corrected in a direction allowing the pressure to be reduced, in accordance with a rate of degradation of a fan current relative to a reference current following a reference current characteristic. This control for correction is done with the fan current degradation rate smoothed (or low-pass filtered) in a time base direction.

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

发明人： Rena Kusachi ,  Yuki Maeshima ,  Hiroki Nabeshima ,  Kenichi Nakayama

IPC分类号： F24H9/20 ,  F24H1/14

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。