JP2011149581A - Hot water supply system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To display sufficient advice to a user to suppress loss caused by a use state. <P>SOLUTION: The hot water supply system includes: a heater for heating hot water; a hot water storage tank storing hot water heated by the heater; a hot water supply terminal to which the hot water stored in the hot water storage tank is supplied; a supply duration sensor 91 sensing supply duration when hot water supply from the hot water storage tank to the hot water supply terminal is continued; and a display controller 98 controlling contents displayed in a display part 85a. The display controller 98 displays advice information with respect to the user in the display part 85a based on the time sensed by the supply duration sensor 91. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a hot water supply system capable of displaying advice information for a user based on the state of hot water use in the hot water supply system.

  As a conventional hot water supply system, there is one in which advice display is performed based on the difference between the maximum amount of hot water used and the minimum amount of hot water used per day within the past week (see, for example, Patent Document 1).

JP 2008-89208 A

  However, the advice displayed by the conventional hot water supply system is insufficient as advice for suppressing a loss due to the usage state of the hot water supply system.

  The objective of this invention is providing the hot water supply system which can display sufficient advice with respect to a user in order to suppress the loss by a use condition.

  The hot water supply system according to the first invention includes a heating means for heating the hot water, a hot water storage tank for storing the hot water heated by the heating means, a hot water supply terminal to which the hot water stored in the hot water storage tank is supplied, A supply duration detecting means for detecting a supply duration time during which hot water supply from the hot water storage tank to the hot water supply terminal is continued, and a display control means for controlling the content displayed on the display unit are provided. Based on the time detected by the duration detection means, advice information for the user is displayed on the display unit.

  In this hot water supply system, paying attention to the supply continuation time during which hot water supply from the hot water storage tank to the hot water supply terminal is continued, the advice information based on this time is displayed on the display unit, thereby being stored in the hot water storage tank. Sufficient advice information can be displayed to the user in order to suppress loss due to the use of hot water.

  A hot water supply system according to a second aspect of the invention is the hot water supply system according to the first aspect of the invention, further comprising a flow rate sensor for detecting the amount of hot water supplied from the hot water storage tank to the hot water supply terminal, The supply continuation time is detected based on the time when the flow rate is continuously detected by the sensor.

  In this hot water supply system, the supply duration time can be easily detected based on the time when the flow rate is continuously detected by the flow rate sensor.

  A hot water supply system according to a third aspect of the present invention includes a heating means for heating hot water, a hot water storage tank for storing hot water heated by the heating means, a bathtub to which hot water stored in the hot water storage tank is supplied, and a hot water storage tank Reheating means for reheating hot water supplied to the bathtub, reheating time detecting means for detecting reheating time of the hot water by the reheating means, and display control means for controlling the contents displayed on the display unit, The display control means displays advice information for the user on the display unit based on the time detected by the chasing time detection means.

  In this hot water supply system, paying attention to the replenishment time of hot water supplied from the hot water storage tank to the bathtub, and displaying advice information based on this time on the display unit, hot water stored in the hot water storage tank and hot water storage Sufficient advice information can be displayed to the user in order to suppress loss due to the use of hot water supplied from the tank to the bathtub.

  A hot water supply system according to a fourth aspect of the present invention is a heating means for heating hot water, a hot water storage tank for storing hot water heated by the heating means, a hot water supply terminal for supplying hot water stored in the hot water storage tank, Supply temperature detection means for detecting the supply temperature of hot water supplied from the hot water storage tank to the hot water supply terminal, and display control means for controlling the content displayed on the display unit, the display control means is a supply temperature detection means Based on the detected supply temperature, advice information for the user is displayed on the display unit.

  In this hot water supply system, paying attention to the supply temperature of the hot water supplied from the hot water storage tank to the hot water supply terminal, the hot water stored in the hot water storage tank is used by displaying advice information based on this temperature on the display unit. Sufficient advice information can be displayed to the user to suppress loss due to the situation.

  A hot water supply system according to a fifth aspect of the present invention includes a heating means for heating hot water, a hot water storage tank for storing hot water heated by the heating means, a bathtub to which hot water stored in the hot water storage tank is supplied, and a hot water storage tank After the hot water supply to the bathtub is completed, the warming time detection means for detecting the time when the bathtub is not used while the hot water in the bathtub is kept warm, and the display control means for controlling the content displayed on the display unit The display control means displays advice information for the user on the display unit based on the time detected by the heat retention time detection means.

  In this hot water supply system, after the hot water supply from the hot water storage tank to the bathtub is completed, pay attention to the time when the hot water in the bathtub is kept warm and the advice information based on this time is displayed on the display unit. By displaying on the screen, sufficient advice information can be displayed to the user to suppress loss due to heat dissipation from the bathtub.

  In addition, the case where the user is not entering the bathroom is included in addition to the case where the user is not taking a bath in the bathtub.

  A hot water supply system according to a sixth aspect of the present invention is a heating means for heating hot water, a hot water storage tank for storing hot water heated by the heating means, a bathtub to which hot water stored in the hot water storage tank is supplied, The lid opening detection sensor that detects that the lid is open, and the time when the bathtub is not used after the hot water supply from the hot water storage tank to the bathtub is completed and the time when the bathtub lid is opened A lid opening time detecting means for detecting, and a display control means for controlling the content displayed on the display unit. The display control means provides advice information to the user based on the time detected by the lid opening time detecting means. Display on the display.

  In this hot water supply system, after the hot water supply from the hot water storage tank to the bathtub is completed, pay attention to the time when the bathtub is not used and the lid of the bathtub is opened, and display advice information based on this time By displaying on the section, sufficient advice information can be displayed to the user to suppress loss due to heat dissipation from the bathtub.

  In addition, the case where the user is not entering the bathroom is included in addition to the case where the user is not taking a bath in the bathtub.

  A hot water supply system according to a seventh aspect of the present invention is the hot water supply system according to the fifth or sixth aspect of the present invention, comprising a use detection means for detecting whether or not the bathtub is being used. Includes a water level sensor that detects the amount of hot water.

  In this hot water supply system, it is possible to easily detect whether or not the bathtub is being used based on the output of a water level sensor that detects the amount of hot water in the bathtub.

  As described above, according to the present invention, the following effects can be obtained.

  In the first invention, the hot water supply from the hot water storage tank to the hot water supply terminal is focused on the supply continuation time, and advice information based on this time is displayed on the display unit, thereby being stored in the hot water storage tank. Sufficient advice information can be displayed to the user in order to suppress loss due to the use of hot water.

  In the second invention, the supply continuation time can be easily detected based on the time when the flow rate is continuously detected by the flow rate sensor.

  In addition, in the third invention, paying attention to the replenishment time of the hot water supplied from the hot water storage tank to the bathtub, and displaying the advice information based on this time on the display unit, the hot water stored in the hot water storage tank Adequate advice information can be displayed to the user to suppress loss due to the use of hot water supplied from the hot water storage tank to the bathtub.

  Moreover, in 4th invention, paying attention to the supply temperature of the hot water supplied to a hot water supply terminal from a hot water storage tank, the hot water stored in the hot water storage tank is displayed by displaying the advice information based on this temperature on a display part. Adequate advice information can be displayed to the user in order to suppress loss due to the usage status.

  In addition, in the fifth invention, after the hot water supply from the hot water storage tank to the bathtub is completed, the hot water in the bathtub is kept warm while paying attention to the time when the bathtub is not used, and advice information based on this time is provided. By displaying on the display unit, it is possible to display sufficient advice information to the user to suppress loss due to heat dissipation from the bathtub.

  In addition, in the sixth invention, after completing the hot water supply from the hot water storage tank to the bathtub, the time when the bathtub is not used and the time when the lid of the bathtub is opened, and advice information based on this time Can be displayed on the display unit, sufficient advice information can be displayed to the user to suppress loss due to heat dissipation from the bathtub.

  Moreover, in 7th invention, it can be detected easily whether the bathtub is used based on the output of the water level sensor which detects the amount of warm water in a bathtub.

It is a piping system diagram of the hot water supply system concerning one embodiment of the present invention. It is the block diagram which showed the structure of the control part of a warm water supply system. It is a front view of a kitchen remote control. It is a front view of a bathroom remote control. An example of various screens displayed on the display unit of the remote controller is shown. It is a flowchart which shows advice display / effect display operation | movement.

  Hereinafter, an embodiment of a hot water supply system according to the present invention will be described based on the drawings. FIG. 1 is a piping system diagram of a hot water supply system according to an embodiment of the present invention. FIG. 2 is a block diagram illustrating a configuration of a control unit of the hot water supply system. FIG. 3 is a front view of the kitchen remote controller. FIG. 4 is a front view of the bathroom remote control.

[Hot water supply system 1]
The hot water supply system 1 is an apparatus that supplies hot water to the currant A, the shower B, and the bathtub C (hot water supply terminal), and as shown in FIG. 1, a heat pump unit 1a (heating means), a hot water storage unit 1b, A kitchen remote controller 85 (see FIG. 2) installed in the kitchen, a bathroom remote controller 86 (see FIG. 2) installed in the bathroom, and a control unit 90 are provided.

[Heat pump unit 1a]
The heat pump unit 1 a heats water supplied from the lower part of the hot water storage tank 20 and supplies the heated hot water to the hot water storage tank 20. The heat pump unit 1 a includes a compressor 10, a water heat exchanger 11, an electric expansion valve 12, an air heat exchanger 13, and a fan 14. The compressor 10, the water heat exchanger 11, the electric expansion valve 12, the air heat exchanger 13, valves, and the like are annularly connected by a refrigerant pipe 15 to constitute a refrigerant circuit 16. A gas heat exchanger 17 for exchanging heat between the high-temperature and high-pressure refrigerant coming out of the water heat exchanger 11 and the cold and low-pressure refrigerant coming out of the air heat exchanger 13 is arranged on the refrigerant circuit 16. .

[Hot water storage unit 1b]
The hot water storage unit 1 b includes a hot water storage tank 20, a boiling circulation circuit 30, a reheating circulation circuit 40 (reheating means), a hot water circulation circuit 50, hot water supply circuits 60 and 70, and a water supply circuit 80. Yes.

[Hot water storage tank 20]
The hot water storage tank 20 stores hot water boiled by the heat pump unit 1a. The hot water storage tank 20 is connected to a boiling circulation circuit 30, a memorial circulation circuit 40, a bathtub hot water supply circuit 60, a currant / shower hot water supply circuit 70, and a water supply circuit 80, and the water heated by the heat pump unit 1a is It is configured to be supplied to the boiling circulation circuit 30, the memorial circulation circuit 40, the bathtub hot water supply circuit 60 and the currant / shower hot water supply circuit 70. The water supplied from the water supply source S is supplied to the lower part of the hot water storage tank 20 through the water supply circuit 80. The hot water storage tank 20 is provided with a plurality of remaining hot water amount thermistors 21 for detecting the remaining hot water amount in the hot water storage tank 20. The plurality of remaining hot water amount thermistors 21 are respectively provided at different height positions of the hot water storage tank 20.

[Boiling circuit 30]
The boiling circulation circuit 30 is a circuit provided to circulate and heat hot water between the hot water storage tank 20 and the heat pump unit 1a. On the circuit, the boiling pump 31 and the above-described water heat are provided. An exchanger 11 and a boiling three-way valve 32 are arranged. One end of the boiling circulation circuit 30 is connected to the bottom of the hot water storage tank 20 so that low temperature water at the lower part of the hot water storage tank 20 can be discharged. The other end of the boiling circulation circuit 30 branches from the three-way valve 32, one of which is connected to the top of the hot water storage tank 20 and the other is connected to the bottom of the hot water storage tank 20. Thereby, when the hot water heated by the heat pump unit 1a is low temperature, it becomes possible to return the low temperature water to the lower part of the hot water storage tank 20, and when the hot water heated by the heat pump unit 1a is high temperature. The hot water can be returned to the upper part of the hot water storage tank 20. In addition, the boiling circulation circuit 30 includes a water thermistor 18 that detects the temperature of water supplied to the heat pump unit 1a (hereinafter referred to as water temperature), and the temperature of water heated by the heat pump unit 1a (hereinafter referred to as water temperature). A hot water thermistor 19 for detecting the hot water temperature is provided.

[Memorial circuit 40]
The memorial circulation circuit 40 is a circuit that circulates hot water in the hot water storage tank 20, and is provided to heat the water in the bathtub C that circulates in the hot water circulation circuit 50 described later. A memorial heat exchanger 41 and a heat exchanger pump 42 are disposed on this circuit. One end of the memory circulation circuit 40 is connected to the top of the hot water storage tank 20 so that hot water at the upper part of the hot water storage tank 20 can be discharged. The other end of the recirculation circuit 40 is connected to the bottom of the hot water storage tank 20, and the low-temperature water heat-exchanged by the regenerative heat exchanger 41 can be returned to the lower part of the hot water storage tank 20. ing.

[Hot water circulation circuit 50]
The hot water circulation circuit 50 is a circulation circuit that circulates the hot water in the bathtub C, and the water in the bathtub C is heated by exchanging heat with the hot water circulating in the additional circulation circuit 40 described above. On this circuit, the heat exchange circulation pump 51 and the above-described regenerative heat exchanger 41 are arranged. The hot water circulation circuit 50 is provided with a bathtub thermistor 52 that detects the temperature of hot water in the bathtub C, and a water level sensor 53 (use detection means) that detects the water level of the bathtub C. Therefore, the water level sensor 53 can detect whether the user is bathing in the bathtub C (whether the bathtub is used).

[Bath water supply circuit 60]
The bathtub hot water supply circuit 60 is a circuit for supplying hot water stored in the hot water storage tank 20 to the bathtub C. On the circuit, a hot water mixing valve 61, a hot water solenoid valve 62, and a check valve are provided. 63, a hot water volume sensor 64, a check valve 65, and a hot water thermistor 66 are arranged. One end of the bathtub hot water supply circuit 60 is connected to the top of the hot water storage tank 20 so that hot water at the upper part of the hot water storage tank 20 can be discharged. Moreover, the other end of the bathtub hot water supply circuit 60 is connected to the bathtub C. The hot water mixing valve 61 adjusts the temperature of the hot water supplied to the bathtub C by mixing the hot water supplied from the hot water storage tank 20 and the water supplied from the water supply source S. The hot water quantity sensor 64 is provided for detecting the flow rate of hot water supplied to the bathtub C, and the hot water thermistor 66 is provided for detecting the temperature of hot water supplied to the bathtub C. Yes.

[Karan / shower hot water supply circuit 70]
The curan / shower hot water supply circuit 70 is a circuit for supplying hot water stored in the hot water storage tank 20 to the curan A and the shower B. On the circuit, a hot water mixing valve 71 and a hot water supply amount sensor 72 (flow rate) Sensor) and a hot water supply thermistor 73 are arranged. One end of the currant / shower hot water supply circuit 70 is connected to the top of the hot water storage tank 20 so that hot water at the top of the hot water storage tank 20 can be discharged. The other end of the currant / shower hot water supply circuit 70 is connected to the currant A and the shower B. The hot water supply mixing valve 71 adjusts the temperature of the hot water supplied to the currant A and the shower B by mixing the hot water supplied from the hot water storage tank 20 and the water supplied from the water supply source S. The hot water supply amount sensor 72 is provided for detecting the flow rate of hot water supplied to the currant A and the shower B, and the hot water supply thermistor 73 is used for detecting the temperature of hot water supplied to the currant A and the shower B. Is provided.

[Water supply circuit 80]
The water supply circuit 80 is a circuit that supplies tap water supplied from the water supply source S to the hot water storage tank 20, the hot water mixing valve 61, and the hot water mixing valve 71. A strainer 81, a check valve 82, a water temperature thermistor 83, and a check valve 84 are disposed on the circuit from the water supply source S to the hot water storage tank 20 of the water supply circuit 80. The water temperature thermistor 83 is provided for detecting the temperature of tap water supplied from the water supply source S to the hot water storage tank 20.

  Next, hot water supply in the hot water supply system will be described.

[Heating operation]
In the heating operation of the hot water storage tank 20 by the heat pump unit 1a, the hot water is supplied from the water supply source S to the hot water storage tank 20 in the water supply circuit 80, and the hot water boiled through the boiling circuit 30 is supplied into the hot water storage tank 20. Driving. This reheating operation is started when the reheating button 106 (see FIG. 3) of the remote controller 85 is pressed or automatically based on the detection result of the hot water thermistor 21. In the boiling circulation circuit 30, the low-temperature water at the lower part of the hot water storage tank 20 is supplied to the water heat exchanger 11 of the heat pump unit 1a by driving the boiling pump 31, as shown in FIG. The water heated by heat exchange in the water heat exchanger 11 is stored in the hot water storage tank 20 via the three-way valve 32. At this time, when the temperature of the water toward the hot water storage tank 20 is lower than a predetermined temperature, such as when the heat pump unit 1a is driven, the temperature is returned to the lower part of the hot water storage tank 20 and the temperature of the hot water stored in the hot water storage tank 20 is the predetermined temperature. When the temperature is higher than the temperature, the hot water storage tank 20 is returned to the upper part.

[Hot water operation]
When hot water is supplied by Karan A or shower B, a hot water supply operation is started in which hot water stored in hot water storage tank 20 is supplied to Karan A or shower B. In the curan / shower hot water supply circuit 70, hot water discharged from the upper part of the hot water storage tank 20 is mixed with water supplied from the water supply source S by the hot water supply mixing valve 71 as shown in FIG. The hot water temperature setting button 102 (see FIG. 3) and the hot water temperature setting button 112 (see FIG. 4) of the bathroom remote controller 86 are used to adjust the hot water temperature. Then, the adjusted hot water is supplied to the currant A or the shower B.

[Hot water driving]
The hot water operation for hot water in the bathtub C is performed when the hot water button 115 (see FIG. 4) of the bathroom remote controller 86 is pressed. In the bathtub hot water supply circuit 60, the hot water discharged from the upper part of the hot water storage tank 20 is mixed with the water supplied from the water supply source S by the hot water mixing valve 61 as shown in FIG. It is adjusted to the bath set temperature set by the bath temperature setting button 113. The adjusted hot water is supplied to the bathtub C via the hot water solenoid valve 62.

[Fast driving]
The reheating operation for heating the hot water in the bathtub C is performed when the reheating button 116 (see FIG. 4) of the bathroom remote controller 86 is pressed. In this reheating operation, hot water stored in the hot water storage tank 20 is circulated in the recirculation circulation circuit 40 and water in the bathtub C is circulated in the hot water circulation circuit 50. In the remedy circulation circuit 40, when the heat exchange circulation pump 42 is driven, hot water discharged from the upper part of the hot water storage tank 20 is heated to the hot water storage tank via the remedy heat exchanger 41 as shown in FIG. 20 is returned to the bottom. Further, in the hot water circulation circuit 50, the water in the bathtub C is returned to the bathtub C through the remedy heat exchanger 41 by driving the heat exchange circulation pump 51. At this time, the hot water circulating in the memorial circulation circuit 40 and the water in the bathtub C circulating in the hot water circulation circuit 50 are heat-exchanged by the memorial heat exchanger 41, whereby the bathtub circulating in the memorial circulation circuit 40 is obtained. C water is heated.

[Heat insulation operation]
When hot water is applied to the bathtub C, the heat insulation operation is performed so that the temperature of the water in the bathtub C does not decrease until the predetermined heat retention time has elapsed after completion of the hot water filling. In the operation of the heat insulation operation, the hot water stored in the hot water storage tank 20 is circulated to the reheating circulation circuit 40 and the water in the bathtub C is circulated to the hot water circulation circuit 50 in the same manner as the reheating operation described above. In the remedy circulation circuit 40, when the heat exchange circulation pump 42 is driven, hot water discharged from the upper part of the hot water storage tank 20 is returned to the lower part of the hot water storage tank 20 via the remedy heat exchanger 41. Further, in the hot water circulation circuit 50, the water in the bathtub C is returned to the bathtub C through the remedy heat exchanger 41 by driving the heat exchange circulation pump 51. At this time, the temperature of the water in the bathtub C does not decrease by exchanging heat between the hot water circulating in the memory circulation circuit 40 and the water in the bathtub C circulating in the hot water circulation circuit 50 in the memory heat exchanger 41. Like that.

[Control unit 90]
As shown in FIG. 2, the hot water supply system 1 is provided with a control unit 90 including a microcomputer, a memory, and the like. The controller 90 is configured such that the above-described water thermistor 18, hot water thermistor 19, a plurality of remaining hot water thermistors 21, the heat exchange circulation pump 42, the heat exchange circulation pump 51, the bathtub thermistor 52, the water level sensor 53, and the lid of the bathtub C are opened. Are connected to the lid sensor 54, the hot water quantity sensor 64, the hot water thermistor 66, the hot water quantity sensor 72, the hot water thermistor 73, the remote controllers 85, 86, etc. so that they can communicate with each other by wire or wirelessly. For example, the operation command input to the remote controls 85 and 86 by the user is sent to the control unit 90, and the control unit 90 outputs a control signal to each component based on the operation command, thereby supplying the hot water supply system. 1 operation is controlled.

  The control unit 90 includes a supply duration detection unit 91 (supply duration detection unit), a use pace detection unit 92, a supply temperature detection unit 93 (supply temperature detection unit), and a reheating time detection unit 94 (refreshing time). Detection means), hot water completion detection unit 95, bathing detection unit 96 (heat retention time detection unit and lid opening time detection unit), lid opening detection unit 97, and display control unit 98 (display control unit). ing.

[Supply duration detector 91]
The supply continuation time detection unit 91 detects a supply continuation time during which the hot water supply from the hot water storage tank 20 to the currant A or the shower B is continued based on the time when the flow rate is continuously detected by the hot water supply amount sensor 72 described above. To do. Whether or not the hot water supply amount sensor 72 detects the flow rate is determined by comparing the flow rate of hot water per unit time detected by the hot water supply amount sensor 72 with a predetermined flow rate. Therefore, by setting the predetermined flow rate to a small amount, the supply duration detection unit 91 can detect the time during which hot water is supplied to the currant A or the shower B. The supply continuation time is detected every time hot water is supplied to Karan A or shower B, and the maximum daily value is stored in the memory of the control unit 90 as the maximum supply continuation time.

[Use pace determination unit 92]
The pace-of-use detection unit 92 detects the amount of heat supplied from the hot water storage tank 20 to the currant A, the shower B, and the bathtub C during a predetermined period (for example, midnight to noon). That is, the pace-of-use detecting unit 92 is supplied to the curan A, the shower B, and the bathtub C, respectively, based on the amount of hot water supplied from the hot water storage tank 20 to the currant A, the shower B, and the bathtub C, and the temperature of the hot water. The amount of heat used in the memory circulation circuit 40 is detected based on the amount of hot water supplied to the memory circulation circuit 40 and the temperature of the hot water. The detected amount of heat is stored in the memory of the control unit 90.

[Supply temperature detector 93]
Supply temperature detector 93 detects the supply temperature of hot water supplied to currant A and shower B based on the output of hot water supply thermistor 73.

[Furting time detection unit 94]
The reheating time detection unit 94 detects the time during which the heat-exchange circulation pump 51 is driven as the bathtub reheating time during which the reheating operation is performed in order to heat the hot water in the bathtub C. Moreover, the bathtub reheating time is detected every time the heat exchanger pump 51 is driven, and the detected time is integrated. Then, the accumulated result of the bathing time for one day is stored in the memory of the control unit 90.

[Hot water completion detection unit 95]
The hot water beam completion detection unit 95 detects that the hot water beam operation described above has been completed, and outputs the detection result to the bathing detection unit 96. Completion of the hot water operation is detected when the sum of the flow rates detected by the hot water amount sensor 64 reaches a preset hot water amount.

[Bath detection unit 96]
The bathing detection unit 96 detects information about the heat dissipation status of the hot water supplied from the hot water storage tank 20 to the bathtub C. More specifically, the bathing detection unit 96 can detect a time T1 from when the hot water operation is completed until the user bathes in the bathtub C. The time T2 during which the user is not bathing in the bathtub C among the warming time during which the hot water in C is kept warm can be detected, and the user is bathing in the bathtub C after the hot water operation is completed. The time T3 when the lid of the bathtub C is opened can be detected. In addition, the bathing detection part 96 can know the time when the user is not bathing in the bathtub C by detecting the presence or absence of bathing by the water level sensor 53. The time detected by the bathing detection unit 96 is stored in the memory of the control unit 90.

[Lid opening detection unit 97]
The lid opening detection unit 97 detects that the lid of the bathtub C is opened based on the output of the lid sensor 54, and outputs the detection result to the bathing detection unit 96.

[Display control unit 98]
The display control unit 98 displays advice information on the display unit 85a of the kitchen remote controller 85 based on the detection results of the detection units 91 to 97 described above, and displays information indicating the energy saving level corresponding to the advice information. It is displayed in 85a.

[Remote control 85, 86]
The kitchen remote controller 85 is provided to control the hot water storage tank 20, the currant A, the shower B, and the bathtub C as shown in FIG. The kitchen remote control 85 includes a display unit 85a and an operation unit 101 provided with various buttons. In FIG. 3, the basic screen is displayed on the display unit 85a, but an advice screen and an effect screen described later can also be displayed. In the upper area of the basic screen, the current month, day, and time are displayed. Also, below the area where the day of the week and the time are displayed, in the left area, the set temperature for the hot water supply temperature to Karan A and the shower B is displayed, and in the central area, the remaining hot water amount in the hot water storage tank 20 is displayed. Is displayed, and in the region on the right side, the set temperature for the hot water supply temperature to the bathtub C is displayed.

  In the operation unit 101, a hot water supply temperature setting button 102 for setting hot water supply temperatures of the currant A and the shower B, a menu button 103 for changing various settings, and an amount of hot water stored in the hot water storage tank 20 are set. Hot water amount setting button 104, eco stop button 105 for stopping the reheating operation in the hot water storage tank 20, reheating button 106 for performing the reheating operation of the hot water storage tank 20, display of advice and display of energy saving level An eco confirmation button 107 for confirming the message, a message memo button 108 for confirming the message memo, and the like are provided.

  Moreover, the bathroom remote control 86 is provided in order to control the currant A, the shower B, and the bathtub C, as shown in FIG. The bathroom remote controller 86 includes a display unit 86a and an operation unit 111 provided with various buttons. The operation unit 111 includes a hot water supply temperature setting button 112 for setting hot water supply temperatures of the currant A and the shower B, a bathtub temperature setting button 113 for setting the bathtub set temperature, a menu button 114 for changing various settings, A hot water button 115 for hot water filling the bathtub C, a reheating button 116 for boiling the hot water of the bathtub C to a temperature set by the bathtub temperature setting button 113, and the like are provided.

[Various screens]
FIG. 5 shows an example of various screens displayed on the display unit 85 a of the kitchen remote controller 85. The screen shown in FIG. 5A shows a hot water usage graph screen for the user to check the hot water usage in the hot water supply system 1. This hot water consumption graph screen is displayed when the eco confirmation button 107 (see FIG. 3) is pressed while the basic screen is displayed. As shown to Fig.5 (a), the present time is displayed on the upper area | region of this used hot water amount graph screen, and the bar graph is displayed under the area | region where the present time was displayed.

  This bar graph shows the amount of hot water used in the hot water supply system 1 for each day in the past week going back from the current time. Moreover, the vertical axis | shaft of the bar graph has shown the amount of used hot water (L) in the hot water supply system 1, and the maximum value of an axis | shaft scale is set to 1000 (L). Further, on the right side of the area where the bar graph is displayed, the maximum value of the amount of hot water used (the maximum amount of hot water used) in the past week is displayed. In this example, the amount of hot water used four days before the current month is displayed as a maximum amount of hot water used 700 (L).

  Further, an advice button is displayed on the left side of the lower end portion of the hot water consumption graph screen, and an end button is displayed on the right side. The advice button and the end button can be selected according to the operation of the operation unit 101 of the kitchen remote controller 85. The hot water consumption graph screen is switched to an advice screen (see FIG. 5B-1) on which advice information for the user is displayed by selecting an advice button.

  The screens shown in FIGS. 5B-1 to 5H-1 indicate the advice screens described above. Each advice screen is switched and displayed in the order of FIGS. 5B-1 to 5H-1 in accordance with the operation of the next button described later. The current time is displayed in the upper area of the advice screen. Various advice information is displayed below the area where the current time is displayed. For example, on the screen shown in FIG. 5B-1, “Let's stop hot water frequently. Today when hot water is continuously taken out [maximum OO minutes]” is displayed as advice information. In addition, the maximum value (maximum supply duration) of the above-mentioned daily supply duration is displayed in the XX portion in [].

  Further, as shown in FIGS. 5 (b-1) to (h-1), an effect button is displayed on the left side of the lower end portion of the advice screen, a next button is displayed on the center portion, and the right side is displayed. Displays an end button. The effect button, the next button, and the end button can be selected according to the operation of the operation unit 101 of the kitchen remote controller 85. Accordingly, the screen shown in FIG. 5B-1 is switched to the effect screen shown in FIG. 5B-2 when the effect button is selected. The current time is displayed in the upper area of the effect screen. In addition, information indicating the degree of energy saving corresponding to each piece of advice information (a saving fee for electricity charges) is displayed below the area where the current time is displayed. The screen shown in FIG. 5B-2 includes “10” as information indicating the degree of energy saving corresponding to the part “Let's stop hot water frequently” in the advice information shown in FIG. By reducing the minutes (about 100L of shower), you can save about 50-250 yen per month. "Is displayed. On the other hand, the screen shown in FIG. 5B-1 is switched to the screen shown in FIG. 5C-1 when the next button is selected. In the screen shown in Fig. 5 (c-1), the hot water in the tank is likely to be left as advice information. If "Eco stop" is set, boiling in the daytime can be stopped. Today's usage [XXL] "is displayed. In addition, the XX part in [] is displayed in the currant A, shower B and bathtub C from the hot water storage tank 20 by the current time of the day. The total amount of hot water supplied is displayed.

  The screen shown in FIG. 5C-1 is switched to the effect screen shown in FIG. 5C-2 when the effect button is selected. In the screen shown in Fig. 5 (c-2), you can stop boiling in the daytime by setting "Eco stop" in the advice information shown in Fig. 5 (c-1). As information indicating the degree of energy saving corresponding to "", if the daytime operation is shortened by one hour, it will be possible to save approximately XX yen per month. On the other hand, when the next button is selected, the screen shown in FIG. 5 (c-1) is switched to the screen shown in FIG. 5 (d-1). In the screen shown in, as advice information, “Let's set the hot water supply temperature low. The current hot water supply set temperature [XX ° C.] is displayed. Note that the supply temperature of hot water supplied to Karan A and shower B is displayed in the XX portion in [].

  When the effect button is selected, the screen shown in FIG. 5 (d-1) is switched to the effect screen shown in FIG. 5 (d-2). On the screen shown in FIG. 5 (d-2), “Hot water supply temperature” is displayed as information indicating the energy saving level corresponding to “Let's set the hot water supply temperature lower” in the advice information shown in FIG. 5 (d-1). If you set 2 ° C lower, you can save about 50-150 yen per month. ”Is displayed. On the other hand, the screen shown in FIG. 5D-1 is switched to the screen shown in FIG. 5E-1 when the next button is selected. In the screen shown in FIG. 5 (e-1), “Let hot water hot water than chasing is used. Today's chasing time (including heat insulation) [XX min]” is displayed as advice information. The accumulated result of the bath time is displayed in the XX portion in [].

  The screen shown in FIG. 5 (e-1) is switched to the effect screen shown in FIG. 5 (e-2) when the effect button is selected. In the screen shown in FIG. 5 (e-2), as information indicating the energy saving level corresponding to “Let's use hot water from chasing” in the advice information shown in FIG. 5 (e-1), “Toshiyu hot water is better than chasing. If you raise the temperature of the bath, you can save about ○○ yen per month.” Is displayed. On the other hand, the screen shown in FIG. 5E-1 is switched to the screen shown in FIG. 5F-1 when the next button is selected. On the screen shown in Fig. 5 (f-1), as advice information, "When the bath boiled, let's take a bath immediately and set an appropriate heat retention time. Time from bathing to bathing [XX minutes]" Is displayed. The time T1 described above is displayed in the XX portion in [].

  When the effect button is selected, the screen shown in FIG. 5 (f-1) is switched to the effect screen shown in FIG. 5 (f-2). The screen shown in Fig. 5 (f-2) is energy saving corresponding to the advice information shown in Fig. 5 (f-1) "Let's take a bath as soon as the bath is boiled and set an appropriate heat retention time." As information indicating the degree, “If the heat retention time is shortened by 1 hour, approximately XX yen can be saved per month.” Is displayed. On the other hand, when the next button is selected, the screen shown in FIG. 5 (f-1) is switched to the screen shown in FIG. 5 (g-1). In the screen shown in Fig. 5 (g-1), the advice information is "Enter the bath without leaving time and set an appropriate warming time. Time during which bathing did not take time [XX minutes] "Is displayed. The time T2 described above is displayed in the XX portion in [].

  When the effect button is selected, the screen shown in FIG. 5 (g-1) is switched to the effect screen shown in FIG. 5 (g-2). In the screen shown in Fig. 5 (g-2), energy saving corresponding to "Let's enter the bath without leaving time and set an appropriate heat retention time" in the advice information shown in Fig. 5 (g-1). As information indicating the degree, “If the heat retention time is shortened by 1 hour, approximately XX yen can be saved per month.” Is displayed. On the other hand, the screen shown in FIG. 5G-1 is switched to the screen shown in FIG. 5H-1 when the next button is selected. On the screen shown in FIG. 5 (h-1), “Let the bath so that it does not cool” is displayed as advice information.

  The screen shown in FIG. 5 (h-1) is switched to the effect screen shown in FIG. 5 (h-2) when the effect button is selected. The screen shown in FIG. 5 (h-2) shows the degree of energy saving corresponding to “Let it be covered with a bath so as not to cool” in the advice information shown in FIG. 5 (h-1). As the information, it is displayed that “You can save about ○○ yen per month by covering the bath.”

  Also, as shown in FIGS. 5B-2 to H-2, a return button is displayed on the left side of the lower end of the effect screen, and an end button is displayed on the right side. The return button and the end button can be selected according to the operation of the operation unit 101 of the kitchen remote controller 85. Accordingly, the effect screens shown in FIGS. 5B-2 to H-2 are switched to the advice screens shown in FIGS. 5B-1 to H-1 in response to the selection of the return button. .

  In this embodiment, the hot water consumption graph screen (see FIG. 5A), the advice screen (see FIGS. 5B-1 to 5H-1), and the effect screen (FIG. 5B-2) When the end button is selected in a state where (h-2) is displayed, these screens are all switched to the basic screen (see FIG. 3).

[Advise / effect display]
Next, the advice display / effect display operation of the present embodiment will be described with reference to FIG. FIG. 6 is a flowchart showing the advice display / effect display operation of the present embodiment.

  First, in step S100, a basic screen is displayed on the display unit 85a of the kitchen remote controller 85. In step S101, it is determined whether or not an eco-confirmation request has been made by the user, that is, whether or not the eco-confirmation button 107 has been pressed. When pressing of the eco confirmation button 107 is detected, the process proceeds to step S102, and the hot water usage graph screen is displayed on the display unit 85a. On the other hand, when pressing of the eco confirmation button 107 is not detected, the determination in step S101 is repeated while the basic screen is still displayed on the display unit 85a.

  Then, in step S103 after the used hot water amount graph screen is displayed, it is determined whether or not the user has requested advice confirmation, that is, whether or not the advice button in the used hot water amount graph screen has been selected. When selection of the advice button is detected, the process proceeds to step S104, and an advice screen is displayed on the display unit 85a. On the other hand, when selection of the advice button is not detected, the determination in step S103 is repeated while the hot water consumption graph screen is still displayed on the display unit 85a.

  Then, in step S105 after the advice screen is displayed, it is determined whether or not an effect confirmation request has been made by the user, that is, whether or not an effect button in the advice screen has been selected. When the selection of the effect button is not detected, the process proceeds to step S106, and it is determined whether or not there is a next advice confirmation request by the user, that is, whether or not the next button on the advice screen is selected. When the selection of the next button is detected, the process proceeds to step S104, and the next advice screen is displayed on the display unit 85a. On the other hand, if selection of the next button is not detected, step S106 is repeated until the selection is detected.

  On the other hand, when the selection of the effect button is detected in step S105, the process proceeds to step S107, and the effect screen is displayed on the display unit 85a. Then, in step S108 after the effect screen is displayed, it is determined whether or not the user has requested reconfirmation of the advice screen, that is, whether or not the return button in the effect screen has been selected. If selection of the return button is detected, the process proceeds to step S104, and the advice screen is displayed again. On the other hand, if selection of the return button is not detected, step 108 is repeated until the selection is detected.

  In the present embodiment, when the end button is selected while the hot water consumption graph screen, the advice screen, and the effect screen are displayed, these screens are all switched to the basic screen (see FIG. 3).

[Features of hot water supply system of this embodiment]
As mentioned above, in the hot water supply system of this embodiment, paying attention to the supply continuation time during which the hot water supply from the hot water storage tank 20 to the currant A or the shower B is continued, advice information based on this supply continuation time is displayed on the display unit 85a. By doing so, it is possible to display to the user sufficient advice information for suppressing a loss due to the use state of the hot water stored in the hot water storage tank 20.

  Further, the supply duration time can be easily detected based on the time when the flow rate is continuously detected by the hot water supply amount sensor 72.

  Moreover, paying attention to the bathtub reheating time, and displaying advice information based on the accumulated result of the bathtub reheating time on the display unit 85a, the hot water stored in the hot water storage tank 20 and the hot water stored in the hot water storage tank 20 can be stored in the bathtub C. Adequate advice information can be displayed to the user in order to suppress a loss due to the usage condition of the hot water supplied to the user.

  Moreover, paying attention to the supply temperature of hot water supplied to the currant A and the shower B, and displaying advice information based on this supply temperature on the display unit 85a, it depends on the use situation of the hot water stored in the hot water storage tank 20. Adequate advice information for suppressing loss can be displayed to the user.

  Moreover, after completion of the hot water operation, paying attention to the time T2 during which the user is not bathing in the bathtub C among the warming time during which the hot water in the bathtub C is kept warm, the advice information based on this time T2 is displayed. By displaying on the part 85a, sufficient advice information for suppressing loss due to heat radiation from the bathtub C can be displayed to the user.

  Further, after completion of the hot water operation, paying attention to the time T3 when the user is not bathing in the bathtub C and when the lid of the bathtub is opened, advice information based on the time T3 is displayed on the display unit. By displaying on 85a, advice information sufficient to suppress loss due to heat dissipation from the bathtub C can be displayed to the user.

  Moreover, based on the output of the water level sensor 53 that detects the water level in the bathtub C, it can be easily detected whether or not the user is bathing in the bathtub C.

  Moreover, paying attention to the hot water supply amount supplied from the hot water storage tank 20 to the currant A, the shower B, and the bathtub C in a predetermined period, the hot water storage tank 20 is displayed by displaying advice information based on the hot water supply amount on the display unit 85a. Adequate advice information can be displayed to the user in order to suppress loss due to the usage state of the hot water stored therein.

  Further, paying attention to the time T1 from when the hot water driving operation is completed until the user bathes in the bathtub C, and displaying the advice information based on the time T1 on the display unit 85a, the loss due to heat dissipation from the bathtub C It is possible to display sufficient advice information for the user to suppress the problem.

  As mentioned above, although embodiment of this invention was described based on drawing, it should be thought that a specific structure is not limited to these embodiment. The scope of the present invention is shown not by the above description of the embodiments but by the scope of claims for patent, and further includes all modifications within the meaning and scope equivalent to the scope of claims for patent.

  In the above-described embodiment, the hot water supply system 1 includes the hot water supply terminals of the currant A and the shower B, and advice is given to the display unit 85a of the kitchen remote controller 85 based on the time during which the hot water supply amount sensor 72 detects the flow rate. Although the example which performs display and the display of the energy saving degree was described, the present invention is not limited to this, and when the hot water supply system includes a heating terminal such as a floor temperature control panel or a radiator, the hot water storage tank and the heating terminal Based on the continuous operation time of the circulating pump that circulates the hot water between them, the display may display advice and the energy saving level.

  In the above-described embodiment, the hot water supply system 1 includes the hot water supply terminals of the currant A and the shower B, and displays advice and energy saving display on the display unit 85a of the kitchen remote controller 85 based on the output of the hot water thermistor 73. Although the example to perform was described, this invention is not limited to this, When a warm water supply system is equipped with heating terminals, such as a floor temperature control panel and a radiator, it is based on the temperature of the warm water supplied to a heating terminal from a hot water storage tank. Then, advice or energy saving level may be displayed on the display unit.

  In the above-described embodiment, only the kitchen remote controller 85 that controls the currant A or the shower B has the eco stop button 105 and the eco confirmation button 107, and the display unit 85a has a hot water consumption graph screen and advice. Although an example in which a screen or an effect screen is displayed has been described, the present invention is not limited to this, and the bathroom remote control 86 has an eco stop button and an eco confirmation button 107, and the amount of hot water used is displayed on the display portion 86a. A graph screen, an advice screen, and an effect screen may be displayed. Further, a remote controller for the tank for controlling the hot water storage tank 20 is provided on the side surface of the hot water storage tank 20, and the remote controller has an eco stop button and an eco confirmation button. A graph screen, an advice screen, and an effect screen may be displayed.

  In embodiment mentioned above, although the bathing detection part 96 described the example using the time when the user is not bathing in the bathtub C as time when a bathtub is not used, this invention is not limited to this, Bathing detection part In 96, the time when the user is not in the bathroom may be used as the time when the bathtub is not used. Whether or not the user has entered the bathroom is detected using a human body sensor (for example, an image sensor or an infrared detector) that directly detects a bather or an open / close sensor that detects the opening / closing of a bathroom door. Is possible.

  In the above-described embodiment, the example using the water level sensor 53 as the use detection means for detecting whether or not the bathtub is used has been described. However, the present invention is not limited to this, and the bathroom remote control is used as the use detection means. It may be one that detects whether 85 has been operated, or one that detects sound in the bathroom. Moreover, as a use detection means, what is necessary is just at least one of what detects whether said water level sensor 53 and bathroom remote control 85 were operated, and what detects the sound in a bathroom.

  In the embodiment described above, the display control unit 98 displays an advice screen (see FIGS. 5B-1 to 5H-1) on the display unit 85a of the kitchen remote controller 85 based on the detection results of the detection units 91-97. However, the present invention is not limited to this, and the display control unit 98 determines whether or not to display the advice screen on the display unit 85a, and based on the determination result, the display unit An advice screen may be displayed at 85a. More specifically, the display control unit 98 may display an advice screen (see FIG. 5B-1) when the maximum supply duration is longer than a predetermined value. Further, the display control unit 98 displays an advice screen (FIG. 5 (c-1) when the hot water supply amount supplied from the hot water storage tank 20 to the currant A, the shower B, and the bathtub C is smaller than a predetermined reference amount. )) May be displayed. The reference amount is an average value of the amount of hot water supplied from the hot water storage tank 20 to the currant A, the shower B, and the bathtub C in a predetermined period (for example, midnight to noon) in the past week. It is stored in 90 memories.

  In addition, the display control unit 98 displays an advice screen (see FIG. 5D-1) when the supply temperature of hot water supplied to the currant A and the shower B is higher than a predetermined temperature. Also good. This determination is not limited to the supply temperature of hot water supplied to the currant A and the shower B, and may be made based on a comparison result between the supply temperature of hot water supplied to the bathtub C and a predetermined temperature. Further, the display control unit 98 may determine to display the advice screen (see FIG. 5E-1) when the accumulated result of the bathtub reheating time is larger than a predetermined value. Moreover, the display determination part 98 may display an advice screen (refer FIG.5 (f-1)-(h-1)), when time T1-T3 is longer than the predetermined time decided beforehand. In this case, each advice screen is not always switched and displayed in the order of FIGS. 5B-1 to 5H-1 according to the operation of the next button. That is, for example, when it is determined by the above-described determination that the advice screen shown in FIG. 5C-1 is not displayed, the next button is displayed while the advice screen shown in FIG. 5B-1 is displayed. When selected, the advice screen shown in FIG. 5 (b-1) is not changed to the advice screen shown in FIG. 5 (c-1), and the advice screen shown in FIG. The advice screen shown in (d-1) is displayed.

  In the above-described embodiment, the example in which the saving fee for the electricity bill is displayed as the information indicating the degree of energy saving corresponding to each piece of advice information has been described. However, the present invention is not limited to this, and the energy saving corresponding to each piece of advice information is described. As the information indicating the degree, the power saving amount of the power usage amount may be displayed.

  In the embodiment described above, the time when hot water is continuously taken out as information indicating the degree of energy saving corresponding to the “Let's stop hot water frequently” portion of the advice information shown in FIG. Regardless of the maximum supply duration), an example is displayed in which “If you reduce 10 minutes (about 100 L of shower), you can save about 50 to 250 yen per month”. However, the present invention is not limited to this, and information indicating different degrees of energy saving may be displayed according to the maximum supply duration.

  Similarly, in the above-described embodiment, when “Eco stop” is set in the advice information shown in FIG. 5C-1, boiling in the daytime can be stopped. As the information indicating the degree of energy saving corresponding to “”, regardless of the amount of today's use (the total amount of hot water supplied from the hot water storage tank 20 to the currant A, the shower B and the bathtub C), If you shorten it by 1 hour, you can save about XX yen per month. "" Is displayed, but the present invention is not limited to this, and depending on the total amount of hot water supplied from the hot water storage tank 20 to the currant A, the shower B, and the bathtub C, different energy saving levels are provided. Information to be displayed may be displayed.

  Similarly, in the above-described embodiment, among the advice information shown in FIG. 5 (d-1), as the information indicating the energy saving level corresponding to “Let's set the hot water supply temperature lower”, the hot water supply set temperature (Karan A). Regardless of the supply temperature of the hot water supplied to the shower B), an example of “If you set the hot water supply temperature 2 ° C lower, you can save about 50 to 150 yen per month.” Is displayed. However, the present invention is not limited to this, and information indicating different degrees of energy saving may be displayed according to the supply temperature of hot water supplied to the currant A and the shower B.

  Similarly, in the above-described embodiment, in the advice information shown in FIG. 5 (e-1), the follow-up time is used as information indicating the degree of energy saving corresponding to “Let's use hot water hotter than follow-up”. Regardless of (accumulation result of bathing time), “Toshiyu hot water is better than chasing. If you raise the bath temperature, you can save about ○○ yen per month.” Is displayed. Although the example to be described was described, this invention is not limited to this, The information which shows a different energy saving degree may be displayed according to the integration | accumulation result of bathtub reheating time.

  Similarly, in the above-described embodiment, the energy saving degree corresponding to “Let's take a bath immediately when the bath boiled and set an appropriate heat retention time” in the advice information shown in FIG. As an example, an example will be shown in which “It is possible to save approximately XX yen per month if the warming time is shortened by 1 hour” regardless of the time from bathing to bathing (time T1). However, the present invention is not limited to this, and information indicating different degrees of energy saving may be displayed according to the time T1.

  Similarly, in the above-described embodiment, the degree of energy saving corresponding to “Let's enter without leaving time and set an appropriate heat retention time” in the advice information shown in FIG. As an example, the message “You can save approximately XX yen per month if the heat retention time is shortened by 1 hour” is displayed regardless of the time (time T2) during which bathing was not performed during bath warming. Although described, this invention is not limited to this, The information which shows a different energy saving degree may be displayed according to time T2.

  Similarly, in the above-described embodiment, among the advice information shown in FIG. 5 (h-1), as information indicating the degree of energy saving corresponding to “Let the bath so that it does not cool”. Regardless of the time T3, an example is shown in which “seal about XX yen per month can be saved by covering the bath”, but the present invention is not limited to this. Depending on the time T3, information indicating different degrees of energy saving may be displayed.

  In the above-described embodiment, the example in which the time during which the heat exchange circulation pump 51 is driven is detected as the time during which the bathtub C is reheating is described. However, the present invention is not limited to this, and the reheating operation is performed. As the time when the operation is performed, the time during which the heat exchanger pump 42 is driven may be detected.

  In the above-described embodiment, the example of switching from the hot water consumption graph screen, the advice screen, and the effect screen to the basic screen has been described by pressing the end button, but the present invention is not limited to this, and the basic screen is displayed. The switching may be performed when the lid of the kitchen remote controller 85 is closed. For example, the switching may be performed when the kitchen remote controller 85 is not operated for 30 seconds after the eco confirmation button 107 is pressed.

  In the above-described embodiment, the example in which the time during which the hot water supply amount sensor 72 detects the flow rate is detected as the supply continuation time during which the hot water supply from the hot water storage tank 20 to the currant A or the shower B is continued has been described. The present invention is not limited to this, and the time during which the hot water volume sensor 64 detects the flow rate may be detected as the supply continuation time during which the hot water supply from the hot water storage tank 20 to the bathtub C is continued.

  In the above-described embodiment, the example in which the advice screen is displayed based on the accumulation result of the bathtub reheating time has been described. However, the present invention is not limited thereto, and the reheating operation of the bathtub C is continuously performed. An advice screen may be displayed based on the memorial continuous time.

  By utilizing the present invention, it is possible to obtain a hot water supply system capable of displaying sufficient advice to the user to suppress loss due to usage conditions.

1 Hot water supply system 1a Heat pump unit 1a (heating means)
20 Hot water storage tank 40 Remembrance circulation circuit (retreating means)
53 Water level sensor (use detection means)
54 Lid sensor (lid open detection sensor)
72 Hot water supply volume sensor (flow rate sensor)
85 Kitchen remote control 85a Display unit 86 Bathroom remote control 90 Control unit 91 Supply duration detection unit (supply duration detection means)
92 Pace detector 93 Supply temperature detector (Supply temperature detector)
94 Rebirth time detection part (Rebirth time detection means)
95 Hot water beam completion detection unit 96 Bathing detection unit (heat retention time detection means and lid open time detection means)
97 Lid opening detection unit 98 Display control unit (display control means)
A Karan (hot water supply terminal)
B shower (hot water supply terminal)
C bathtub (hot water supply terminal)

Claims (7)

Heating means for heating hot water;
A hot water storage tank for storing hot water heated by the heating means;
A hot water supply terminal to which hot water stored in the hot water storage tank is supplied;
Supply duration detection means for detecting a supply duration in which hot water supply from the hot water storage tank to the hot water supply terminal is continued;
Display control means for controlling the content displayed on the display unit,
The said display control means displays the advice information with respect to a user on the said display part based on the time detected by the said supply continuation time detection means, The hot water supply system characterized by the above-mentioned. A flow rate sensor for detecting the amount of hot water supplied from the hot water storage tank to the hot water supply terminal;
The hot water supply system according to claim 1, wherein the supply duration detection unit detects the supply duration based on a time when the flow rate is continuously detected by the flow sensor. Heating means for heating hot water;
A hot water storage tank for storing hot water heated by the heating means;
A bathtub to which hot water stored in the hot water storage tank is supplied;
Reheating means for reheating hot water supplied from the hot water storage tank to the bathtub;
Reheating time detection means for detecting reheating time of hot water by the reheating means;
Display control means for controlling the content displayed on the display unit,
The said display control means displays the advice information with respect to a user on the said display part based on the time detected by the said chasing time detection means, The hot water supply system characterized by the above-mentioned. Heating means for heating hot water;
A hot water storage tank for storing hot water heated by the heating means;
A hot water supply terminal to which hot water stored in the hot water storage tank is supplied;
Supply temperature detecting means for detecting a supply temperature of hot water supplied from the hot water storage tank to the hot water supply terminal;
Display control means for controlling the content displayed on the display unit,
The said display control means displays the advice information with respect to a user on the said display part based on the supply temperature detected by the said supply temperature detection means, The hot water supply system characterized by the above-mentioned. Heating means for heating hot water;
A hot water storage tank for storing hot water heated by the heating means;
A bathtub to which hot water stored in the hot water storage tank is supplied;
After the completion of the hot water supply from the hot water storage tank to the bathtub, while the warm water in the bathtub is being kept warm, a heat retention time detecting means for detecting a time during which the bathtub is not used,
Display control means for controlling the content displayed on the display unit,
The said display control means displays the advice information with respect to a user on the said display part based on the time detected by the said heat retention time detection means, The warm water supply system characterized by the above-mentioned. Heating means for heating hot water;
A hot water storage tank for storing hot water heated by the heating means;
A bathtub to which hot water stored in the hot water storage tank is supplied;
A lid opening detection sensor for detecting that the lid of the bathtub is in an open state;
Lid opening time detection means for detecting the time when the bathtub is not used after the hot water supply from the hot water storage tank to the bathtub is completed, and when the lid of the bathtub is opened;
Display control means for controlling the content displayed on the display unit,
The said display control means displays the advice information with respect to a user on the said display part based on the time detected by the said lid open time detection means, The hot water supply system characterized by the above-mentioned. Use detection means for detecting whether or not the bathtub is used,
The hot water supply system according to claim 5 or 6, wherein the use detection means includes a water level sensor that detects an amount of hot water in the bathtub.

Images