JP2020094713A - Storage type water heater - Google Patents

Abstract

To eliminate complexity in setting execution/non-execution and setting of an operation start time in a case of performing a solar light use boiling-up operation for continuous several days.SOLUTION: On setting screens 60B'-60I' of a remote control device 50, selection of execution/non-execution of a solar light use boiling-up operation and setting of its start time can be collectively performed for continuous 7 days commonly for each date. Thus a user can collectively perform selection of execution/non-execution of the solar light use boiling-up operation for 7 days from September 15 (Saturday) to September 21 (Friday) (Fig. 21(a), Fig. 21(b), etc.) and setting of the start time on each execution day (Fig. 22(b), etc.) in advance, for example, on September 14 (Friday) prior to the execution days of the solar light use boiling-up operation.SELECTED DRAWING: Figure 22

Description

The present invention relates to a hot water storage water heater that performs a boiling operation using electric power generated by solar power generation.

Conventionally, in this type of hot water storage type water heater, as described in Patent Document 1, a HEMS (=Home Energy Management System) device performs power management, and photovoltaic power generation is performed when sunshine conditions based on weather forecast information are good. There has been a system in which a hot water storage type hot water supply device performs a boiling operation in which hot water in a hot water storage tank is heated using the electric power generated by receiving sunlight by controlling the device.

Japanese Unexamined Patent Application Publication No. 2018-15826

In recent years, even in a hot water storage type hot water supply device that is not equipped with the HEMS device, a method is being proposed in which the boiling operation using sunlight similar to that of the conventional technique can be executed. That is, after the user himself/herself judges the quality of the sunshine conditions based on the weather forecast or the like, by manual operation, for example, whether or not to execute the solar light boiling operation on the next day, or if it is executed, the operation start time is set to the next day. It is to set when, etc.

However, in the case of the above method, when trying to execute the solar light boiling operation over a plurality of consecutive days, on the day before each of the plurality of execution days, execution/non-execution or operation of the solar light boiling operation is performed. The start time must be set every day, which is very complicated for the user.

In order to solve the above-mentioned problem, in claim 1 of the present invention, a hot water storage tank for storing hot water and a heating means for heating the hot water are provided, and the heating means heats the hot water in the hot water storage tank in a boiling operation. In the hot water storage type water heater that performs the above, on the desired day, the power from the solar power generation device in the daytime zone excluding the predetermined night zone of each of the predetermined consecutive days for a plurality of consecutive days starting from the day after the desired day is calculated. The selection of execution/non-execution of the used solar boiling operation is collectively accepted for each date, and the common selection acceptance means and the common selection acceptance means perform the solar utilization boiling operation on each of the consecutive dates. When the execution of is selected, the setting of the start time of the solar light boiling operation on each of the consecutive dates is collectively accepted in common for each date, by the common setting acceptance means and the common selection acceptance means. According to the selection of the execution of the solar-powered boiling operation received, and the setting of the start time accepted by the common setting reception means, the heating means to perform the solar-powered boiling operation. And heating control means for controlling.

Further, in claim 2, a display means for performing a desired display, and a final display control means for controlling the display means so as to display a final date after the lapse of the plurality of days from a predetermined display date are further provided. The common selection acceptance means has a selection of the execution/non-execution for each of the due dates of the plurality of days until the final date displayed on the display means under the control of the final display control means. It is commonly accepted in a batch.

Further, in claim 3, the final display control means displays the final date after a lapse of the plurality of days from the display date before the start time of the night zone of the desired date, and the desired date is displayed. After the start time of the night zone, the display means is controlled to display the final date after the lapse of the plurality of days from the day following the display date.

Further, in claim 4, from the second predetermined time after the end time of the nighttime zone, the third predetermined time earlier than the first predetermined time when it is assumed that the power generation by the solar power generation device falls from the sufficient state to the insufficient state. Until time, in a time range, to display a plurality of start time candidates that can be set as the start time of the solar light boiling operation, further comprising time display control means for controlling the display means, The common setting reception means sets the start time by selecting any one of the plurality of start time candidates displayed on the display means under the control of the time display control means, for each date. It will be accepted in batch.

Further, in claim 5, the third predetermined time is set such that the time deviation up to the first predetermined time is equal to or longer than the time required for the boiling operation using sunlight.

Further, in claim 6, when the display means for performing a desired display and the selection of the execution on the continuous due date are accepted by the common selection accepting means, until the day before the last day of the consecutive due dates, It has an advance notice display control means for controlling the display means so as to display the advance notice display that gives an advance notice of the execution of the boiling operation using sunlight and the date of the last day.

Further, in claim 7, the notice display control means replaces the date on the last day with the date on the last day until execution start time of the solar light boiling operation on each date of the consecutive days. The display means is controlled so as to display the start time of the boiling operation using light.

Further, in claim 8, the advance notice display control means performs switching from the display of the date on the display means to the display of the start time at a fourth predetermined time later than midnight in the nighttime zone. Is.

Further, in claim 9, while the solar light use boiling operation on the execution day of the solar light use boiling operation is being executed, an execution display indicating that the solar light use boiling operation is being executed is displayed. It further comprises execution display control means for controlling the display means.

Further, in claim 10, the common selection receiving means does not receive, on the desired date, a selection of execution/non-execution of the sunlight-using boiling operation with the desired date as the start date.

Further, in claim 11, the common selection reception means selects execution/non-execution of the solar light boiling operation with the next day as a start date after the start time of the night zone of the desired day. Is not accepted, and the selection of execution/non-execution of the solar-assisted boiling operation with the day after the desired day as the start date is accepted.

Further, in claim 12, cancellation of the selection of the execution or the non-execution of the solar-powered boiling operation common to each date, which is accepted by the common selection acceptance unit, is accepted collectively for each date. It further comprises a common cancellation acceptance means.

Further, in claim 13, the common cancellation reception means is the solar-use boiling operation on the execution day when the sunlight-use boiling operation is executed based on the selection of the execution received by the common selection reception means. Before the end time of, the cancellation for the selection of the execution or the non-execution after the execution date is accepted.

Moreover, in Claim 14, the said common cancellation reception means is the said sunlight utilization boiling operation on the execution day in which the said sunlight utilization boiling operation is performed based on the selection of the said execution received by the said common selection acceptance means. After the end time, the cancellation for the selection of the execution for the execution date is not accepted, and the cancellation for the selection of the execution for the day after the execution date is accepted.

Further, in claim 15, a common change reception is performed in which the changes to the setting of the start time of the solar-powered boiling operation common to the dates accepted by the common setting acceptance unit are collectively accepted for each date. It further comprises means.

Moreover, in Claim 16, the said common change reception means is the said sunlight utilization boiling operation on the execution day in which the said sunlight utilization boiling operation was performed based on the selection of the said execution received by the said common selection acceptance means. Before the start time of (1), the change of the start time after the execution date is accepted.

Further, in claim 17, the common change reception means is the solar light use boiling operation on the execution day when the solar light use boiling operation is executed based on the selection of the execution received by the common selection reception means. After the start time of, the change of the start time for the execution date is not accepted, and the change of the start time for the day after the execution date is accepted.

Further, in claim 18, the heating control means sets the start time on the execution day at a reception time earlier than the start time of the solar light boiling operation on the execution day by the common change reception means. The heating means is controlled so as to start the boiling operation using sunlight when a change that is earlier than the reception time is received.

In the nineteenth aspect, the consecutive dates are composed of seven consecutive dates for one week.

According to claim 1 of the present invention, when performing the boiling operation using sunlight by using the electric power from the photovoltaic power generator by controlling the heating means by the heating control means, the operation setting is performed in advance. , Common selection receiving means, and common setting receiving means. On the desired day, the user can select execution/non-execution of the solar-lighting boiling operation on and after the next day, and the selection result is accepted by the common selection acceptance means. Further, when the user selects the execution of the solar-powered boiling operation, the user can set the start time of the solar-powered boiling operation on the execution date, and the setting result is accepted by the common setting acceptance means.

At this time, in particular, according to claim 1, the selection of the execution/non-execution and the setting of the start time can be performed over a plurality of consecutive due dates (= consecutive due dates), and all the plurality of due dates. It is possible to perform the selection and the setting collectively in common. Thereby, the user, for example, on a desired day prior to the execution day of the solar light boiling operation, in advance, the selection of execution/non-execution of the solar light boiling operation for a plurality of days and the start time on the execution day. The setting of can be done at once. As a result, the complexity as described above can be eliminated, and the convenience for the user can be improved.

Further, simply, in the case of a configuration in which the execution of the solar light boiling operation is set at the same start time every day after the execution date, unless the user cancels the setting, the solar light boiling operation is performed semipermanently every day. The execution of the upper driving will be repeated. In particular, if the user forgets that he has set the execution of the solar-powered boiling operation, the solar-powered boiling operation may be inadvertently executed for an unintended long period of time. ..

On the other hand, according to claim 1, after the execution of the solar light boiling operation is started, the solar light use boiling operation is not executed at least when the plurality of days have passed, and thus Such inconvenience can be prevented.

Further, according to claim 2, the user can see the dates of the last days for a plurality of days displayed on the display unit under the control of the final display control unit, and can use the sunlight-based boiling operation for each date in common. Execution/non-execution of can be collectively performed. As a result, the selection can be performed by an easy-to-understand and simple operation, and the convenience for the user can be improved.

In addition, the user can select whether the execution of the solar-assisted boiling operation is selected in common for each date corresponding to the plurality of days, how many days have already been selected, and the like. Easy to check. As a result, the user can determine whether or not it is necessary to change the selection according to a change in the weather forecast, and can appropriately change the selection as necessary.

As described above, the nighttime zone usually starts at midnight late on a certain date, changes to the next day's date at midnight, and then continues until the early morning of the next day (for example, a contract with a power company). Depends on). Then, the mode of the boiling operation in the night zone changes depending on whether or not to execute the sunlight-using boiling operation on the next day (when performing the sunlight-using boiling operation on the next day, In order to subtract the amount of boiling water in the boiling operation performed in the nighttime zone by the amount of boiling water expected in the boiling operation using sunlight). Therefore, as the boundary of the display switching when displaying the final date on the display means, it is better to set the start time of the night zone earlier than that as the start time of midnight rather than the midnight according to the calendar. This is convenient because it can be easily adjusted. Correspondingly to this, according to claim 3, before the start time of the night zone (for example, at 23:00), the final date after the plurality of days has elapsed from that day is displayed, while the night zone of the night zone is displayed. After the start time, the final date after the lapse of the plurality of days from the next day is displayed. As a result, the above-mentioned matching can be achieved, and the display contents can be made easy for the user to understand and use.

Since solar power generation is not performed at least in the night zone, the start time when the solar-powered boiling operation is performed is after the end time of the night zone. Even if the sunlight irradiation is sufficient for power generation during the daytime, it gradually decreases as it approaches the evening, and power is generated at a certain time (for example, 17:00, for example, the first predetermined time). Will be in short supply. Therefore, after the first predetermined time, solar power generation on that day is impossible, so the start time is before the first predetermined time. Specifically, considering the time required for the solar-powered boiling operation, it is meaningless to set the start time after the time advanced from the first predetermined time by the time required. Therefore, according to claim 4, by the control of the time display control means, the display means is earlier than the first predetermined time (for example, 17:00) from the second predetermined time (for example, 7:00) after the end time of the nighttime zone. A plurality of start time candidates are displayed in the time range (7:00 to 15:00 in the above example) until the third predetermined time (for example, 15:00). It is sufficient for the user to appropriately select the start time from the plurality of candidates, so that it is easy to understand with a simple operation and the convenience can be further improved.

Further, according to claim 5, by ensuring the time deviation between the third predetermined time and the first predetermined time at least as long as the time required for the boiling operation using sunlight, the above-mentioned substantial It is possible to reliably avoid meaningless display and make the display content easy for the user to understand and use.

Further, according to claim 6, the user surely visually confirms that the execution of the solar-assisted boiling operation is selected and how long the solar-assisted boiling operation is performed. You can

In addition, since the last days of multiple days when the boiling operation using sunlight is executed can be easily confirmed, whether the user needs to appropriately change the execution/non-execution selection according to changes in the weather forecast, etc. Can be determined until the final date, and the selection and the like can be appropriately changed as necessary.

Further, according to claim 7, the user surely visually recognizes that the day when the solar-powered boiling operation is performed and at what time of the day the solar-powered boiling operation starts. be able to.

Moreover, since the start time of the solar-powered boiling operation can be easily confirmed on the day when the solar-powered boiling operation is executed, the user can further confirm, for example, according to a change in the weather forecast for each time zone of the day. Whether or not it is necessary to change the selection of execution/non-execution or the setting of the start time can be determined to the last minute, and the selection change or the start time can be appropriately changed as necessary. ..

As mentioned above, the setting of the night zone may vary depending on the contract with the electric power company, and depending on the setting, when considering the break from the day before the execution day to the day of the execution day as described above, the midnight is set as the boundary. If set to "", it may not match well. Therefore, according to claim 8, by switching from the date display to the display of the start time at a fourth predetermined time (for example, 1:00 am) later than midnight, the adverse effect can be prevented. You can

Further, according to claim 9, it is possible to reliably notify the user that the solar-lighting boiling operation is currently being executed. In addition, it is also possible to make the user surely recognize that the start time of the boiling operation using the sunlight on that day cannot be changed.

In addition, normally, when performing a boiling operation using sunlight, the amount of boiling water in the boiling operation performed in the nighttime on the day before is subtracted by the amount of boiling water expected in the boiling operation using the sunlight. By doing so, it is possible to reduce the electricity charges during the night boiling. Therefore, whether or not to perform the boiling operation using sunlight must be determined at least the day before the operation. According to claim 10, the selection of execution/non-execution of the solar-powered boiling operation for the plurality of days starting from the current day is not accepted, in other words, the plurality of days starting from the day after the next day as a starting day. By accepting only the selection of the above, it is possible to surely suppress the electricity bill by subtracting the boiling water amount.

In addition, usually, the nighttime zone starts from midnight time late on a certain date, changes to the date of the next day at midnight, and then becomes the time zone until the early morning of the next day (for example, depending on the contract content with the electric power company). .. According to claim 11, even before midnight, if the start time for starting the night zone is reached, execution/non-execution of the solar light boiling operation with the next day as the start day By not accepting the selection of, the electric charge can be surely suppressed by subtracting the boiling water amount in the boiling operation in the nighttime zone as described above.

Further, according to claim 12, even if it is desired to cancel the selection of the execution/non-execution of the solar-assisted boiling operation once performed by the user due to some circumstances such as a change in the content of the weather forecast, for example. can do. As a result, the convenience for the user can be further improved.

Further, if the sunlight use boiling operation is completed by the user's selection of the execution, even if the selection of the execution on the day is canceled, if the sunlight use boiling operation is immediately stopped on the control. No problem. According to the thirteenth aspect, by permitting the cancellation before the solar-powered boiling operation ends, the convenience for the user can be further improved.

Further, according to claim 14, at the timing when the solar-powered boiling operation has already been executed by the user's selection of the execution, the selection of the execution on the day is canceled, which causes control confusion. It can be prevented in advance.

Further, according to claim 15, it is possible to surely cope with a case where the user wants to change the setting of the start time of the boiling operation using sunlight, which is once performed by the user for some reason such as the content of the weather forecast changing. You can As a result, the convenience for the user can be further improved.

In addition, if the solar-powered boiling operation is started by the user's selection of the execution, even if the start time of the solar-powered boiling operation on the day is changed, the control is immediately changed. There is no problem if the solar-powered boiling operation is performed according to the start time. According to the sixteenth aspect, by correspondingly allowing the change before the solar-powered boiling operation is started, the convenience for the user can be further improved.

In addition, according to claim 17, at the timing when the solar-powered boiling operation has already been started by the setting of the start time by the user, it is possible to prevent control confusion by changing the start time. Can be prevented.

Further, according to claim 18, unlike the initial intention of the user, in response to the new intention that the user wants to start the boiling operation using sunlight at a timing earlier than the current time, the use of sunlight as quickly as possible. The boiling operation can be started.

Further, in general, in the weather forecast, when forecasting the weather on a plurality of consecutive dates to a certain extent, it is often announced in the form of a weekly weather forecast in units of one week. According to claim 19, in response to this, the consecutive dates are seven consecutive dates. That is, the selection of the execution/non-execution of the solar-powered boiling operation and the setting of the start time of the solar-powered boiling operation are common only for seven days starting from the next day of the desired day. To be able to do it all at once. In this way, it is possible to eliminate the selection and the setting for a long period (for example, 20 days, 30 days, etc.) that does not make much sense in view of the above circumstances, and provide an easy-to-use device configuration that matches the actual situation.

1 is a system configuration diagram of a photovoltaic power generation device cooperation hot water storage type hot water supply system according to a first embodiment of the present invention. A graph diagram conceptually showing the temporal behavior of the amount of power generated by photovoltaic power generation and the amount of power consumption of an electric load device when the weather is predicted to be sunny. A graph diagram conceptually showing the temporal behavior of the amount of power generated by photovoltaic power generation and the amount of power consumption of an electric load device when the weather is predicted to be rain or cloudy. Functional block diagram showing the functional configuration of the control device External view showing the detailed configuration of the remote control device The flowchart figure showing the first half part of the control procedure which a control device performs. The flowchart figure showing the latter half part of the control procedure which a control device performs. The flowchart figure showing the detailed procedure of step S200. The flowchart figure showing the detailed procedure of step S300. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. Date display in the date display section provided on the setting screen of the remote control device, whether date setting is possible to set execution/non-execution of boiling operation using sunlight, whether cancellation of date setting is possible, start time of boiling operation using sunlight Timetable diagram explaining an example of the change of setting changes The figure showing the example of a display of the standby screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the screen of other devices with which the screen display part of a remote control device is equipped. Time table diagram showing transition of surplus boiling notice mark, date display part, time display part, and message display displayed on the standby screen of the remote control device The figure showing the example of a display of the setting screen with which the screen display part of the remote control device in a 2nd embodiment of the present invention is equipped. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the setting screen with which the screen display part of a remote control device is equipped. Last date displayed on the date display section provided on the setting screen of the remote control device, whether date setting is possible to set execution/non-execution of boiling operation using sunlight, whether cancellation of date setting is possible, start of boiling operation using sunlight Timetable diagram explaining an example of change of time setting change availability The figure showing the example of a display of the standby screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the standby screen with which the screen display part of a remote control device is equipped. The figure showing the example of a display of the standby screen with which the screen display part of a remote control device is equipped. Time table diagram showing transition of surplus boiling notice mark, date display part, time display part, and message display displayed on the standby screen of the remote control device The figure showing the example of a display of the setting screen with which the screen display part of the remote control device in a 3rd embodiment of the present invention is equipped. Time table diagram showing transition of surplus boiling notice mark, date display part, time display part, and message display displayed on the standby screen of the remote control device Time table diagram showing transition of surplus boiling notice mark, date display part, time display part, and message display displayed on the standby screen of the remote control device

Next, an embodiment of the present invention will be described based on FIGS.

A first embodiment of the present invention will be described with reference to FIGS.

<Outline of system configuration>
FIG. 1 shows the system configuration of a hot water supply system including the hot water storage type water heater of the present embodiment. It should be noted that in FIG. 1, a part of signal transmission/reception described later is omitted in order to prevent the illustration from being complicated. In FIG. 1, a hot water supply system 100 according to the present embodiment includes a heat pump hot water storage type hot water supply device 1 installed in a building (a specific power consumption facility) such as a house (not shown), and a power distribution system connected to a commercial power supply 49. A panel 2, a photovoltaic power generation panel 4 installed on the roof of the house, and a photovoltaic power generation device 3 including an inverter 5 for converting the power generated by the photovoltaic power generation panel 4 into an AC power source; It has an electric load device 6 (for example, simply shown as “air conditioner” in FIG. 1) that constitutes a load other than the water heater 1 and is composed of, for example, an air conditioner, a network communication network 8, and a server 9. The network communication network 8 and the server 9 may be omitted. In that case, the display of the network display unit 65 in the remote control device 50 described later is also omitted (see FIG. 5 described later, etc.).

The hot water storage type hot water supply device 1 includes a remote control device 50 (corresponding to operating means), a hot water storage tank 10 for storing hot water, a water supply pipe 11 for supplying water to the bottom of the hot water storage tank 10, and hot water discharge from the top of the hot water storage tank 10. The hot water supply pipe 12, the water supply bypass pipe 13 branched from the water supply pipe 11, the hot water from the hot water supply pipe 12 and the water from the water supply bypass pipe 13 reach the hot water supply set temperature set by the remote controller 50. Mixing valve 14, a hot water supply pipe 15 for supplying hot water to a hot water supply terminal not shown, a hot water supply flow rate sensor 16 for detecting a hot water supply flow rate and outputting a corresponding detection signal, and detecting a hot water supply temperature and outputting a corresponding detection signal. It has a hot water supply temperature sensor 17 and a hot water storage temperature sensor 18 which detects the hot water storage temperature in the hot water storage tank 10 and outputs a corresponding detection signal. A plurality of hot water storage temperature sensors 18 are provided on the side surface of the hot water storage tank 10 at different height positions. Each of the plurality of hot water storage temperature sensors 18 detects a corresponding hot water temperature when a hot water temperature above a predetermined threshold value, which is preset corresponding to the temperature of hot water in a sufficiently heated state, is detected. Is output to the control device 31. As a result, the control device 31 is in a sufficiently heated state in the hot water storage tank 10, based on how many of the plurality of hot water storage temperature sensors 18 output the detection signal. The amount of hot water (that is, the amount of hot water stored) can be detected.

Further, the hot water storage type hot water supply device 1 further includes a heat pump device 19 (corresponding to a heating unit) that heats the hot water in the hot water storage tank 10 to the boiling target temperature. The heat pump device 19 includes a compressor 20 that compresses and conveys a refrigerant into high temperature and high pressure, a water refrigerant heat exchanger 21 that exchanges heat between the high temperature and high pressure refrigerant and water from the hot water storage tank 10, and the water refrigerant. The expansion valve 22 for decompressing and expanding the refrigerant after heat exchange in the heat exchanger 21, the air heat exchanger 23 for exchanging heat between the outside air and the low pressure refrigerant to evaporate the low pressure refrigerant, and the outside air for the air heat exchanger 23. The blower 24 that blows air, the discharge temperature sensor 25 that detects the temperature of the refrigerant discharged from the compressor 20 and outputs a corresponding detection signal to the control device 31, and the detection signal that detects the outside air temperature and outputs the corresponding detection signal. The outside air temperature sensor 30 that outputs to the control device 31.

Further, the hot water storage water heater 1 further connects the control device 31 for controlling the operation of the entire hot water storage water heater 1, the lower portion of the hot water storage tank 10 and the water side inlet of the water refrigerant heat exchanger 21. A heating return pipe 26, a heating return pipe 27 that connects the water side outlet of the water-refrigerant heat exchanger 21 and the upper part of the hot water storage tank 10, and a heating circulation pump 28 provided in the middle of the heating forward pipe 26, The heating return pipe 27 has a boiling temperature sensor 29 which outputs a detection signal to the control device 31. The heating forward pipe 26, the heating return pipe 27, and the heating circulation pump 28 constitute a heating circulation circuit (hereinafter, simply referred to as “heating circulation circuit 26, 27, 28”).

<Boiling operation using sunlight>
In the hot water supply system 100 having the above configuration, when the sunshine conditions are good, the solar power generation device 3 can receive sunlight by the solar power generation panel 4 to generate power. In the hot water storage water heater 1, the heat pump device 19 uses the electric power generated by the solar power generation device 3 according to various settings manually performed by the user (details will be described later), and the heat circulation circuit 26, 27 is used. , 28, the boiling operation of heating the hot water in the hot water storage tank 10 can be performed. On the contrary, when the sunshine condition is not so good, the solar power generation device 3 cannot perform sufficient power generation by receiving sunlight, and therefore the hot water storage water heater 1 supplies the electric power supplied from the commercial power source 49. The boiling operation is performed by using the above.

In order to perform the boiling operation using the electric power generated by the solar power generation as described above, at least the generated power value is somewhat large (specifically, the power value supplied to the hot water storage water heater 1, that is, the generated power value. The surplus electric power value obtained by subtracting the load electric power consumption value consumed by the electric load device 6 excluding the hot water storage type hot water supply device 1 is somewhat large, which will be described later. This will be described with reference to FIGS. 2 and 3.

<Example of power behavior>
In FIG. 2, the horizontal axis is a time axis in which time is ticked like “0:00”, “1:00”,..., “23:00”, “24:00”, and the vertical axis is electric power. When the amount [kWh] is taken, it represents the amount of power generated by the solar power generation device 3, the load power consumed by the electric load device 6, and the power consumption per unit time of the hot water storage water heater 1. 3 is a graph conceptually showing an example of the behavior of the device power consumption.

As shown in FIG. 2, this example is an example when the weather is fine. That is, as shown by the solid line graph in the figure, the amount of power generated by the solar power generation device 3 changes at almost 0 [kWh] from 0:00 to 6:00, but at sunrise (6:00 to 6:00). It gradually increases with 7:00), 0.2 [kWh] at 7:00, 1.0 [kWh] at 8:00, 1.5 [kWh] at 8:30, and then 9: The time reaches 1.8 [kWh] at 00, 2.5 [kWh] at 10:00, 3.2 [kWh] at 11:00, and reaches a peak at 3.3 [kWh] at 12:00. After that, the amount of power generated by the solar power generation device 3 gradually decreases with the shade of the sun, reaching 3.2 [kWh] at 13:00, 2.5 [kWh] at 14:00, and then 15:00. At 1.8 [kWh], 15:30 at 1.5 [kWh], 16:00 at 1.0 [kWh], 17:00 at 0.2 [kWh], and sunset (17:00 to 17:00). By 18:00), after 18:00, it will be almost 0 [kWh] until 24:00.

On the other hand, as shown by the gray bar graph in the figure, the load power consumption of the electric load device 6 is 0.5 [kWh] throughout the day from 0:00 to 24:00. As a result, the value of the surplus power represented by "the amount of power generated by the photovoltaic power generator 3"-"the amount of power used by the load of the electric load device 6" becomes 0 at 8:00 for the first time, as shown in FIG. 0.5 [kWh] occurs, 1.0 [kWh] at 8:30, 1.3 [kWh] at 9:00, 2.0 [kWh] at 10:00, 2.7 [kWh] at 11:00. It becomes the maximum at 2.8 [kWh] at 12:00 after passing [kWh]. After that, it gradually decreases to 2.7 [kWh] at 13:00, 2.0 [kWh] at 14:00, 1.3 [kWh] at 15:00, and 1.0 [kWh] at 15:30. , 16:00 becomes 0.5 [kWh].

In contrast to the above time variation of the surplus power, in this example, the device power consumption when the hot water storage water heater 1 is operated is 1 [kWh] per unit time. As a result, for example, when the user can recognize the above-mentioned behavior by a known information source such as weather forecast/meteorological information for the next day, for example, “excess power”≧“device power consumption of hot water storage water heater 1” In the time zone from 8:30 to 15:30 (hereinafter appropriately referred to as “boilable time zone”), it is determined that the hot water storage water heater 1 can be operated by the surplus power. You can In FIG. 2, as a result of such a determination made by the user, the boiling operation of the hot water storage water heater 1 is from 11:00 to 13:00 (hereinafter referred to as “boiling as appropriate”) of the boilable time period. The case is set to be executed in the "upper time zone" (details will be described later) (see the black bar graph).

<Other examples of power behavior>
The example shown in FIG. 2 is an example in which the weather is fine as described above (as a result, power generation by the solar power generation is possible). On the other hand, FIG. 3 shows an example where the weather is rainy or cloudy (there is almost no solar radiation from the sun). In this case, as shown by the solid line graph in the figure, the amount of power generated by the photovoltaic power generator 3 changes from 0:00 to 8:00 at almost 0 [kWh], and slightly increases with sunrise. However, after going through 0.1 [kWh] at 9:00, 0.3 [kWh] at 10:00, 0.5 [kWh] at 11:00, and 0.6 [kWh] at 12:00. The peak at 13:00 remains at about 0.7 [kWh]. After that, the power generation amount in the solar power generation device 3 is 0.6 [kWh] at 14:00, 0.5 [kWh] at 15:00, 0.3 [kWh] at 16:00, and 17:00. Is 0.1 [kWh], and after 18:00, it is almost 0 [kWh] until 24:00. As a result, the value of the surplus power represented by "the amount of power generated by the photovoltaic power generator 3"-"the amount of power used by the load of the electric load device 6" is, as shown in FIG. It occurs only slightly up to 00, and its maximum value remains at about 0.2 [kWh]. In such a case, the user can determine that the boiling operation of the hot water storage water heater 1 with the surplus power is impossible. In FIG. 3, as a result of the determination made by the user, the hot water storage water heater 1 is supplied with electricity from the commercial power source 49 without using the power generated by the solar power generation, and as a result, the unit price of electricity is low at night as usual. The boiling operation is executed (hereinafter appropriately referred to simply as "night boiling") during an appropriate time period (3:00 to 7:00 in this example) of (23:00 to 7:00 in this example). Is set (see the black bar graph, details will be described later).

<Functional configuration>
In order to smoothly perform the above-described boiling operation using solar power generation, in the present embodiment, the control device 31 is provided with each functional unit shown in FIG. That is, as shown in FIG. 4, in the control device 31, the surplus boiling-up executing unit 33A, the surplus boiling-up setting unit 33C, the surplus boiling-up control unit 40, the surplus boiling-up capacity determining unit 37, and the use. A hot water amount learning unit 34, a required heat amount determination unit 35, a nighttime boiling capacity calculation unit 36, a corrected nighttime boiling capacity calculation unit 38, a nighttime boiling control unit 39, and a daytime boiling increase control unit 42 are provided. ing. Details of each of these functional units will be described later in detail.

Further, the control device 31 includes a display control unit 33B. The user, for example, obtains publicly known weather information (for example, weather forecast information, sunshine duration information, etc., which is acquired from the server 9 and is displayed on the remote control device 50 under the control of the display control unit 33B, hereinafter simply referred to as “weather information”). Alternatively, the publicly known weather information displayed on an information terminal (not shown) such as a smartphone or a television outside the hot water supply system is confirmed. Then, based on the meteorological information, it is determined whether or not the boiling operation using electric power generated by the photovoltaic power generation (hereinafter, appropriately referred to as "boiling operation using solar light") can be performed in a predetermined predetermined target period. To do. The continuous period is, for example, the next day of the desired date (hereinafter appropriately referred to simply as “the next day”) when the control procedure according to the flow shown in FIGS. "Next two days"), and in this example, there are a total of two days including the next day and the next two days.

That is, the user, for example, estimates the behavior of the generated power amount based on the weather information, and the magnitude relationship of the load use power with the estimated generated power amount, resulting in the surplus. Estimate how the time variation of electric power will be. Then, the user further estimates what magnitude relationship the device usage power has with the estimated surplus power amount, and if the surplus power amount is sufficiently larger than the device usage power, the solar power utilization It is determined that the upper operation can be performed, otherwise it is determined that the solar-powered boiling operation cannot be performed, and various corresponding settings are manually performed using the remote control device 50 (details will be described later). Whether or not to make such a determination sequentially depends on the user. For example, the weather information may indicate that the weather is fine, the maximum temperature is what, and the like. In some cases, settings may be made.

<Remote control device>
The detailed configuration of the remote controller 50 is shown in FIG. In FIG. 5, the remote control device 50 includes a screen display unit 60 (corresponding to a display unit) and a "floor" for automatically performing hot water filling from the hot water storage tank 10 into the bathtub, warming of hot water after hot water filling, and the like. An "automatic" switch 71, a "call" switch 72 for making a telephone call in the bathroom, a speaker 73, +/- side operation settings of various numerical values such as the hot water supply temperature, and a cursor in the screen display unit 60. A cross key 74 for performing upward, leftward, downward, and lateral movement operations, a "menu/decision" switch 75, and the boiling operation by manual operation to perform the boiling operation to store the hot water in the hot water storage tank 10 by a predetermined amount. The "tank hot water" switch 76 for increasing the temperature and the automatic hot water adding function for boiling up the daytime hot water increasing capacity when the hot water storage amount in the hot water storage tank 10 decreases below the predetermined threshold value. Various types including a description of a plurality of operation modes (detailed description is omitted) such as a "bath addition pause" switch 77 that is manually operated (only on the day of operation) and a prepared "eco-operation" An “eco guide” switch 78 for displaying a guide on the screen display unit 60 and a “return” switch 79 for returning the display screen displayed on the screen display unit 60 to the previous display screen. Have

The screen display unit 60 is configured to be able to switch a plurality of display screens, each of which displays a predetermined content. The illustrated screen 60A is displayed in the standby state (hereinafter, simply referred to as "standby screen 60A" as appropriate). On this standby screen 60A, a date and time display section 61 displaying the current date and time (22:30 on Friday, May 31 in this example), and the set temperature of the hot water in the bathtub (40° C. in this example) , A hot water temperature display unit 63 that displays the hot water supply set temperature (40° C. in this example), and a hot water storage amount display unit 64 that displays the hot water storage amount in the hot water storage tank 10. The network display unit 65 indicating that the server 9 is connected to the server 9 via the network communication network 8 and which of the plurality of operation modes is selected (in this example, “automatic energy saving” operation. Details will be described later). ) Indicating the driving mode.

The hot water storage amount display unit 64 displays the hot water storage amount in the hot water storage tank 10 corresponding to the detection result of the hot water storage temperature sensor 18 under the control of the display control unit 33B. In the illustrated example, the hot water storage amount display unit 64 can display the hot water storage amount in five stages by five display elements 64A to 64C. That is, when almost all of the hot water storage tank 10 is the hot water in the fully heated state (the hot water storage amount is full), all the display elements 64A, 64B, 64C, 64D, 64E is lit and displayed. On the contrary, when the hot water storage amount in the hot water storage tank 10 is almost empty, all the display elements 64A, 64B, 64C, 64D, 64E are extinguished, and as the hot water storage amount gradually increases from this state. The display elements 64B, 64C, 64D, and 64E are displayed in this order from the lower display element 64A. The illustrated example shows a state in which the amount of stored hot water is about ⅕ of the total capacity in the hot water storage tank 10, and only the display element 64A at the bottom of the display elements 64A to 64E is lit and displayed. At the same time, the remaining four display elements 64B, 64C, 64D, 64E are extinguished (indicated by broken lines in the figure for clarity).

Here, in the example shown in FIG. 5, the amount of hot water stored in the hot water storage tank 10 is 1/full by the amount of hot water used for housework, bathing, etc. (see the time display at 22:30 on the date/time display unit 61). It shows a case where the hot water storage amount is reduced to about 5 (only the lowermost display element 64A of the hot water storage amount display unit 64 is turned on).

<Control flow>
As described above, in the present embodiment, when the sunshine condition is good, the boiling operation can be performed during the boiling possible time period by using the electric power generated by the solar power generation device 3 ( (See FIG. 2). When the sunshine condition is not so good, the boiling operation is performed by using the electric power supplied from the commercial power source 49 in the nighttime zone (23:00 to 7:00 in this example) where the unit price of electricity is low. Perform (see FIG. 3). In order to realize this method, the control procedure executed by the control device 31 will be described with reference to the flowcharts of FIGS. 6, 7, 8, and 9. As described above, the day after the date on which this flowchart is executed is simply referred to as "the next day", and the day on which this flowchart is executed is hereinafter simply referred to as "the current day". ..

First, in FIG. 6, in step S2, the control device 31 initializes to 0 the non-boiling flag F indicating that the solar-powered boiling operation is impossible, for example, by the surplus boiling execution unit 33A. ..

Then, in step S5, the control device 31, for example, by the surplus boiling execution unit 33A, the nighttime zone where the unit price of electricity is low (in this example, from 23:00 on the day to 7:00 on the next day. However, a contract with the power company is made. It is determined whether or not the start time (depending on the content) (23:00 in this example. The same applies hereinafter). The determination is not satisfied until the night zone start time (S5: NO), the process waits in a loop, and the determination is satisfied when the night zone start time is reached (S5: YES), and the process proceeds to step S25.

In step S25, the control device 31 previously sets the required heat quantity based on the daily learned hot water amount learned in the used hot water amount learning unit 34 corresponding to the detection results of the hot water supply flow rate sensor 16 and the hot water supply temperature sensor 17 in advance. The deciding unit 35 decides (calculates) the required heat quantity on the next day by using a known method using an average, a standard deviation, or the like. The required heat amount may be calculated as a required hot water amount converted into a predetermined temperature (for example, 43[°C]).

After that, in step S30, the control device 31 is predicted by the required heat amount determination unit 35 by a known method in accordance with the required hot water amount determined in step S25 and the detection result of the outside air temperature sensor 30, for example. The boiling target temperature is determined from the outside air temperature of the next day (or other conditions such as the feed water temperature). The boiling target temperature is set as low as possible, for example, between 65[° C.] and 75[° C.], but especially when the required hot water amount is large, the outside air temperature is low, and the feed water temperature is When it is low (compared to other cases), it is set higher.

Then, in step S35, the control device 31 divides the required heat quantity determined in step S30 by the night-time boiling capacity calculation unit 36 by the temperature difference between the boiling target temperature and the feed water temperature to obtain the necessary amount. Convert to capacity and use as the night boiling capacity when performing night boiling. When the required capacity calculated in this way exceeds the capacity of the hot water storage tank 10, the capacity of the hot water storage tank 10 may be the night boiling capacity. Then, it moves to step S40.

In step S40, the control device 31 is set (selected) by the user's operation via the remote controller 50 by the surplus boiling execution unit 33A to execute (select) execution of the solar light boiling operation (details will be described later). ) It is determined whether or not. When the execution is not selected (the non-execution is selected), the determination is not satisfied (S40: NO), and the process proceeds to step S46 described later. If the execution is selected, the determination is satisfied (S40: YES), and the process proceeds to step S42.

In step S42, the control device 31 is set (selected) by the user's operation via the remote control device 50 by the surplus boiling setting unit 33C (details will be described later). The surplus boiling start time (starting at 11:00 is set as an example) is acquired. Then, it moves to step S45.

In step S45, the control device 31 causes the surplus boiling capacity determination unit 37 to determine that the hot water storage water heater 1 has the predetermined heating capacity of the heat pump device 19 from the surplus boiling start time determined in step S42. The excess boiling capacity for boiling up to the boiling target temperature is determined by the size of. In this example, this surplus boiling capacity is set to a fixed value (for example, 100 L), but it may be variably set by the user by an appropriate operation. When the surplus boiling capacity is set to the fixed value, it has the following technical significance. That is, when the method of setting the variable by the user, for example, the user predicts (determines) that the sunshine conditions of the next day are very good and considerably increases the surplus boiling capacity by the boiling operation using sunlight (for example, the hot water storage tank (Most of the capacity within 10) may be set. In this case, since the nighttime boiling capacity in the nighttime zone is extremely small due to the large setting, most of the hot water storage tank 10 becomes unheated water on the morning of the daylighting boiling operation using sunlight. As a result, for example, in the morning of the day (before the solar-powered boiling operation starts), if hot water is to be used for temporary housework, bathing, showering, etc., the hot water storage tank 10 may run out of hot water. .. Alternatively, unlike the above forecast, if the sunshine conditions on the day were not so good, the amount of heating water generated by the boiling operation using sunlight is insufficient, and after the evening of the day when the hottest water is consumed most. Similarly to the above, there is a possibility that the amount of hot water stored in the hot water storage tank 10 may become insufficient.

On the other hand, as described above, for example, when the surplus boiling capacity is set to a fixed value, the numerical value thereof is set to a certain value (for example, 100 L or the like) and set as a limit value for surplus boiling, so that the nighttime zone The above-mentioned night boiling capacity can be at least the total volume in the hot water storage tank −100 L (when the total volume is 200 L, 200−100=100 L). As a result, unlike the above, the minimum amount of hot water storage can be ensured even in the morning of the day (before the solar-powered boiling operation starts), so avoiding the harmful effects of the insufficient amount of hot water storage. You can Also, if this fixed value is too small, there will be a lot of waste in terms of effective utilization of solar power generation. As described above, for example, by setting the capacity to 100 L, while effectively balancing the nighttime boiling capacity in the nighttime zone and the surplus boiling capacity in the daytime zone, the effective use of power generation by the sunlight and the hot water storage amount It is possible to avoid both adverse effects due to shortage.

Then, in step S50, the control device 31 subtracts the surplus boiling capacity determined in step S45 from the nighttime boiling capacity calculated in step S35 by the corrected nighttime boiling capacity calculation unit 38. Then, the corrected nighttime boiling capacity that actually boils in the nighttime zone is calculated. Then, it moves to below-mentioned step S55.

On the other hand, in step S46, in which the determination in step S40 is not satisfied, the control device 31 sets the boiling impossible flag F to the solar light utilization boiling operation by the corrected night boiling capacity calculation unit 38, for example. It is set to 1 indicating that it is impossible. Then, it moves to step S55.

In step S55, the controller 31 causes the night boiling control unit 39 to determine the amount of hot water stored in the hot water storage tank 10 that can be regarded as hot water based on the detection results of the hot water storage temperature sensors 18. The capacity (remaining hot water capacity) of is calculated.

Then, in step S60, the control device 31 causes the night boiling control section 39 to calculate the start time of night boiling. That is, when the determination in step S40 is satisfied (S40: YES) and the process proceeds to step S60 through steps S42 to S50 and step S55, the night-time boiling control unit 39 calculates it in step S50. The boiling time required to boil the volume obtained by subtracting the remaining hot water volume calculated in step S55 from the corrected nighttime boiling volume is calculated, and the boiling time is calculated at the end time of the night zone (for example, 7:00). The nighttime boiling start time is calculated to be suitable for completion (for example, by subtracting the required boiling time from the nighttime end time).

On the other hand, if the determination in step S40 is not satisfied (S40: NO) and the process proceeds to step S60 via steps S46 and S55, the nighttime boiling control unit 39 calculates the nighttime. The boiling time required to boil the volume obtained by subtracting the remaining hot water volume calculated in step S55 from the boiling volume is calculated, and boiling is completed at the end time of the night zone (for example, 7:00). Calculate an appropriate night boiling start time (for example, by subtracting the required boiling time from the night end time).

Then, the process proceeds to step S62 of FIG. 7, and the control device 31 determines whether the time (current time) at this time is the nighttime boiling start time calculated in step S60 by the nighttime boiling control unit 39. judge. If it is not the nighttime boiling start time, the determination is not satisfied (S62: NO), the process waits in a loop, and if the current time is the nighttime boiling start time, the determination is satisfied (S62: YES), and the process proceeds to step S200. Move.

In step S200, the control device 31 performs the nighttime boiling process by the nighttime boiling control unit 39. The detailed procedure of this step S200 is shown in FIG.

In FIG. 8, first in step S215, the control device 31 causes the night boiling control unit 39 to perform the heat pump device 19 (specifically, the compressor 20, the blower 24, and the heating device) of the hot water storage water heater 1. By controlling the circulation pump 28, etc., the water taken out from the lower portion of the hot water storage tank 10 is heated to the boiling target temperature determined in step S30 and sequentially laminated from the upper portion of the hot water storage tank 10 for the night boiling operation. Start.

After that, in step S216, the control device 31 causes the night boiling control unit 39 to start the night boiling operation as described above, and then, the corrected night boiling capacity calculated in step S50 (or step). When the determination in S40 is not satisfied, it is determined whether or not boiling up of the nighttime boiling capacity calculated in step S35 is detected by the hot water storage temperature sensor 18. If the corrected night boiling capacity (or night boiling capacity) is not being boiled, the determination is not satisfied (S216: NO), and the routine proceeds to step S218.

In step S218, the control device 31 controls the heat pump device 19 by the nighttime boiling control unit 39, and stops the nighttime boiling operation started in step S215. At this time, unheated water remains in the lower part of the hot water storage tank 10 by the same volume as the surplus boiling-up volume calculated in step S45 (when the determination in step S40 is satisfied). Then, it returns to FIG. 7 and moves to step S71.

In step S71, the control device 31 determines whether or not the boiling impossible flag F is 1, that is, whether or not the solar power use boiling operation by the surplus power is not selected. If F=1, the determination is satisfied (S71: YES), and the routine proceeds to Step S96 described later. If F=0, the determination is not satisfied (S71: NO), and the process proceeds to step S72.

In step S72, the control device 31 determines whether the end time of the nighttime zone (7:00 in this example) has come. If it is not the nighttime end time, the determination is not satisfied (S72: NO) and the process waits in a loop, and if it is the nighttime end time, the determination is satisfied (S72: YES), and the process proceeds to step S300.

In step S300, the control device 31 performs the surplus boiling-up process by the surplus boiling-up control unit 40. The detailed procedure of this step S300 is shown in FIG.

In FIG. 9, first in step S320, the control device 31 causes the surplus boiling-up control unit 40 to determine the time (current time) at this point in time to start the solar-powered boiling operation determined in step S42 (excessive surplus). The boiling start time, which is 11:00 in the above example, is determined. The determination is not satisfied until the surplus boiling start time comes (S320: NO), and the process waits in a loop. If the surplus boiling start time has come, the determination is satisfied (S320: YES), and the routine goes to Step S322.

In step S322, the control device 31 causes the surplus boiling control unit 40 to perform the heat pump device 19 of the hot water storage water heater 1 (specifically, the compressor 20, the blower 24, the heating circulation pump 28, etc.). Control, and heat the water taken out from the lower portion of the hot water storage tank 10 to the boiling target temperature determined in step S30 and sequentially stack the water from the upper portion of the hot water storage tank 10, using a solar boiling operation (excessive boiling). Operation).

Then, in step S324, the control device 31 boiles the surplus boiling capacity calculated in step S45 after the solar-powered boiling operation is started by the surplus boiling control unit 40 as described above. Is determined by the hot water storage temperature sensor 18. If the surplus boiling capacity has been boiled, the determination is satisfied (S324: YES), and the routine goes to Step S326.

In step S326, the control device 31 controls the heat pump device 19 by the surplus boil-up controller 40, and stops the surplus boil-up operation started in step S322. Then, it returns to FIG. 7 and moves to step S96.

In step S96, the control device 31 causes the daytime boiling control section 42 to finish the time (current time) at the end of the daytime zone (for example, 7:00 to 23:00) (for example, 23:00). Is determined. If it is the daytime end time, the determination is satisfied (S96: YES), the process returns to step S2 shown in FIG. 6, and the same procedure is repeated. If it is not the daytime end time, the determination is not satisfied (S96: NO), and the routine goes to Step S92.

In step S92, the control device 31 determines by the daytime boiling increase control unit 42, for example, whether or not the hot water storage temperature sensor 18 at the uppermost portion of the hot water storage tank 10 has dropped to a temperature equal to or lower than a predetermined hot water outbreak temperature. If the temperature is higher than the hot water runout dangerous temperature, the determination in step S92 is not satisfied (S92: NO), the process returns to step S96 and the same procedure is repeated. If the temperature is below the hot water danger temperature, the determination at step S92 is satisfied (S92: YES), it is considered that the hot water is out, and the process proceeds to step S94.

In step S94, the control device 31 controls the heat pump device 19 by the daytime boiling increase control unit 42 to perform a fixed amount boiling operation for a predetermined time (for example, 1 hour) for eliminating the hot water outage. Then, the process returns to step S96 and the same procedure is repeated.

<Characteristics 1 to 1 of the first embodiment> Setting screen of remote control device>
In the basic configuration and operation described above, one of the features of the present embodiment is the mode of setting and display on the remote control device 50 for performing the solar-powered boiling operation. The details will be described below step by step.

As described above with reference to FIG. 5, the screen display unit 60 of the remote control device 50 is always in the standby state, and the standby screen 60A is displayed. By operating the “menu/decision” switch 75 from this state, the display of the screen display unit 60 shifts to a main menu screen (not shown), and an appropriate operation of the “menu/decision” switch 75 and the like is performed. As a result, the screen shifts to the setting screen 60B shown in FIG.

In this setting screen 60B, a plurality of operation modes (normal "operation mode" and "solar mode" in this example) of the hot-water storage water heater 1 are selectably displayed, a message display section 162, and ,have.

The "solar mode" displayed on the operation mode display unit 161 is a mode for performing the solar-powered boiling operation, and the user selects this mode when the sunshine conditions are good as described above. As a result, the hot and cold water in the hot water storage tank 10 can be heated using the electric power generated by the solar power generation device 3. The "operation mode" is set by selecting either an "auto-energy saving" mode in which the required heat amount is minimized or an "auto-energy" mode in which the required heat amount is larger than in the "automatic energy-saving" mode. be able to. The message display section 162 displays a message "The operation mode can be changed according to the amount of hot water used" corresponding to the difference between the two modes in the "operation mode". ..

In order to select the solar mode from the state shown in FIG. 10A, the user operates the cross key 74 downward to move the cursor K in the screen downward by one step. ). As shown in FIG. 10B, on the setting screen 60C, the cursor K is moved to the position of "solar mode" in the operation mode display portion 161 in response to the operation. In response to this, the message display section 162 displays the message "Solar mode will be set. Please set before starting the night zone."

FIG. 11A shows a state in which the user has performed a determination operation using the “menu/determination” switch 75 from the state shown in FIG. 10B. As shown in FIG. 11A, the setting screen 60D includes a date display portion 163 that displays a date on which execution/non-execution of the solar-powered boiling operation can be set, and a setting content display portion 164. Have

The date display portion 163 displays dates (=date notation) for a plurality of days (two days in this example) including a predetermined display date. On the operation day when the above-described operation is performed on the remote control device 50, if the operation timing is before 17:00, the display day is the operation day, and if it is after 17:00, the display day is the operation day. This is the day after the operation day (see also FIG. 16A described later). FIG. 11A shows a case where the remote control device 50 is operated after 17:00 on September 14, and the date display section 163 indicates the next day of September 14, which is the operation date. The dates for two days, that is, one September 15th (Saturday) and the next day, September 16th (Sunday), are displayed. At this time, 17:00 is an example of the time when the solar power generation device 3 can be regarded as the limit for maintaining the sufficient power generation (in other words, the time when it is assumed that the power generation falls from the sufficient power supply state to the insufficient power generation state). is there. In this example, the cursor K is positioned on September 15th of those two days (September 15th is selected). Although not shown in the drawings, at a time before 17:00 on September 14, the date display portion 163 displays the operation day September 14 (Friday) and the next day September. Dates for two days, that is, 15th (Saturday) will be displayed (see FIG. 16A described later).

The setting content display unit 164 displays the "solar mode" indicating that the solar-powered boiling operation is in a solar mode that can be executed, and the date when the cursor K is located in the solar-powered boiling operation. Notation of "Yes" (when execution is set) or "Not" (when non-execution is set), which indicates that either execution or non-execution is set, A "start" notation indicating the operation start time, a notation of the start time (if set) or a "-" notation (if not set), and the like are displayed when the upper operation is executed. In the illustrated example, in correspondence with the setting of non-execution of the solar-powered boiling operation, in addition to the “solar mode” and the “start” notation, the “not” notation and the “−” notation are It is displayed.

In the present embodiment, as described above also in step S40 described above, the solar-powered boiling operation (in other words, operation in the solar mode; hereinafter the same) is executed for each date displayed on the date display portion 163. Non-execution can be set individually. FIG. 11B shows a state in which the user performs a determination operation using the “menu/determination” switch 75 in the state of the cursor K shown in FIG. 11A to perform the setting on September 15. As shown in FIG. 11(b), in this setting screen 60E, a message display section 165 in which a message “Set operation on 9/15 (Saturday) is displayed” and the setting of FIG. 11(a) is displayed. And a setting content display section 166 corresponding to the content display section 164. In the setting content display unit 166, the same “solar mode” notation, “do” notation and “not” notation, “start” notation and “−” notation, and the like are displayed as described above. In addition, in this state, the cursor K is located in the “not” notation of the “do” and the “not” notations, and the selection using the solar light boiling operation is not performed (that is, non-execution). Has become.

From the state shown in FIG. 11( b ), in order to select execution of the boiling operation using sunlight, the user operates the cross key 74 once upward to move the cursor K in the screen upward. The state is shown in FIG. As shown in FIG. 12A, in the setting screen 60F, the cursor K is moved to the “do” notation that indicates the execution of the sunlight-using boiling operation in response to the operation.

From the state shown in FIG. 12A, in order to set the start time of the boiling operation using sunlight, the user operates the cross key 74 once to the right to move the cursor K to the right in the screen. FIG. 12(b) shows the state in which this is done. As shown in FIG. 12B, in the setting screen 60G, the cursor K corresponds to the operation and is located at the "start" notation.

FIG. 13A shows a state in which the user has performed the determination operation using the “menu/determination” switch 75 from the state shown in FIG. 12B. As shown in FIG. 13A, on the setting screen 60H, a list of start time candidates that can be set as the start time is displayed. Specifically, from a second predetermined time (for example, 7:00 in this example, not shown) after the end time of the night zone (7:00 in the above example), a predetermined third predetermined time (in this example, In the time range up to 15:00 in the figure, a plurality of start time candidates "7:00", "8", "9", "10", "11", "12:00", "13:00", "14:00", " 15:00" is displayed (partly not shown). Note that the original setting screen 60H is not displayed (for example, see FIG. 12B) instead of a method of displaying a list of start time candidates in a pop-up format or an interrupt window format that covers the setting screen 60H as illustrated. By operating the cross key 74 up or down as it is, the start time candidates “7 o'clock” “8 o'clock” “9 o'clock” “10 o'clock” “11 o'clock” “12” are displayed in place of the “−” notation on the screen. "Hour", "13:00", "14:00", and "15:00" may be sequentially displayed one by one. The third predetermined time is preset to a time earlier than the first predetermined time (17:00 in the above example), and in this example, the third predetermined time is set to be the first predetermined time (17:00). The time deviation is set to be equal to or longer than the time required for the boiling operation using sunlight. In the present embodiment, as described above, the surplus boiling capacity for boiling in the solar-powered boiling operation is fixed to 100 L, and it is expected that the time required for boiling this capacity is about 2 hours. Therefore, the third predetermined time is set to 15:00, which is two hours before the first predetermined time (17:00), with the time deviation being 2 hours. In the setting screen 60H, a start time candidate (for example, "12:00") that is appropriately determined in advance may be displayed as a state selected by default. Alternatively, the start time set at the previous time may be displayed as the state selected by default.

FIG. 13B shows a state in which the user has set (selected) the start time at 11:00 from the state shown in FIG. 13A by operating the cross key 74 and the “menu/decision” switch 75. .. As shown in FIG. 13B, in the setting screen 60I, in the setting content display unit 166, the above-mentioned “solar mode” notation, “doing” notation, and “starting” correspond to the above-described operation. And the "11 o'clock" notation (instead of the "-" notation) indicating that the solar-powered boiling operation is started at 11:00.

When the user operates the “menu/decision” switch 75 in the state shown in FIG. 13B, the display on the screen display unit 60 returns to the setting screen 60D shown in FIG. 11A. (However, the “not” notation is displayed instead of the “do” notation, and the “−” notation is displayed at the “11 o'clock” not shown). At the time of this operation, a voice such as "set" or "setting on September 15 is completed" may be output from the speaker 73.

The setting for executing the solar-powered boiling operation on September 15 corresponding to the above operation, and the setting for setting the start time to 11:00 are described in step S40 and step S42. As described above, the surplus boil-up execution section 33A and the surplus boil-up setting section 33C are accepted, and are reflected in the above-described control after step S40 and step S42 based on the setting contents.

With the setting screen 60D displayed, the user can perform various settings on September 16 by the same method as the setting on September 15 described above. That is, when the user operates the cross key 74 once downward to move the cursor K in the screen downward, as shown in FIG. 14A, the same date display section 163 and setting content display section 164 as described above are displayed. A setting screen 60J including the above is displayed on the screen display unit 60.

When the user operates the "menu/decision" switch 75 in this state, a message "Set operation on 9/16 (day) as above" is displayed as shown in FIG. 14B. A setting screen 60K including a message display unit 165 and a setting content display unit 166 is displayed. Thereafter, in the same manner as described above, the user operates the cross key 74 once upward to move the cursor K to “do” as shown in the setting screen 60L of FIG. 15A, and further press the cross key 74. FIG. 15 shows a state in which the cursor K is moved to the right and the “menu/decision” switch 75 is used to make a decision operation, and the start time is set (selected) from a list of start time candidates (not shown) similar to the above. It shows in (b).

As shown in FIG. 15B, on the setting screen 60M, the above-mentioned "solar mode" notation, "do" notation, and "start" are displayed on the setting content display unit 166 in correspondence with the operations so far. The notation and the notation indicating the start time of the solar-powered boiling operation (in this example, “14:00” notation corresponding to the start time of 14:00) are displayed. Similarly to the above, by operating the “menu/decision” switch 75 in the state shown in FIG. 15B, the display on the screen display unit 60 displays the setting screen 60D shown in FIG. 11A. Return to. At the time of this operation as well, similarly to the above, the speaker 73 may make a voice such as "set" or "setting on September 16 is completed".

In addition, similarly to the above, the setting for performing the boiling operation using sunlight on September 16 corresponding to the above operation, and the setting of the start time thereof as 14:00 are performed in the surplus boiling execution unit 33A. And is received by the surplus boiling-up setting unit 33C, and is reflected in the control after Step S40 and Step S42.

Further, the screen transition of the screen display unit 60 shown in FIGS. 5 and 10 to 15 described above is performed by the control of the display control unit 33B.

<Timetable showing various processes>
An example of the date notation for a plurality of days (two days in this example) displayed on the date display unit 163 described in the setting screens 60B to 60M displayed on the screen display unit 60 of the remote control device 50, FIG. 16A shows the time table shown in FIG.

<Date display>
As described above, the date display portion 163 displays dates for a plurality of days including a predetermined display date, and if the operation timing of the remote controller 50 is before 17:00, the display date is the operation date. On the other hand, if it is 17:00 or later, the display date is the day after the operation date. Therefore, as shown in FIG. 16A as an example, both days “9/14” and “9/15” are displayed in the date display portion 163 before 17:00 on September 14 (Friday). It Then, after 17:00 on September 14th (Friday), both dates of “9/15” and “9/16” will be displayed on the date display portion 163, and September 15th (Saturday) Until 17:00, the display contents are displayed. Then, after 17:00 on September 15th (Saturday), both the dates of “9/16” and “9/17” will be displayed on the date display portion 163 in the same manner, and September 16th ( Until 17:00 (Sunday), this display content is displayed. After that, after 17:00 on September 16th (Sunday), both days of “9/17” and “9/18” will be displayed on the date display portion 163 as well. The display mode is repeated.

<Whether each date can be set>
On the other hand, corresponding to the date display on the date display portion 163 shown in FIG. 16A, the "menu/decision" switch 75 is operated while the cursor K is positioned on the date display. FIG. 16(b) of the time table shown in FIG. 16 shows an example of whether or not the setting of execution/non-execution of the solar-powered boiling operation (operation in the solar mode) (selection of “Yes” or “No”) is performed. Shown in.

As described above with reference to FIG. 16A, before 17:00 on Friday, September 14, the date display portion 163 displays both days of “9/14” and “9/15”. It However, at that time, of the both days displayed on the date display portion 163, the execution/non-execution setting (“Menu/ The “decision” switch 75) cannot be performed (=in other words, it is not accepted by the surplus boiling-up executing portion 33A. The same applies hereinafter). As for "9/15" which is the next day of the operation day, execution/non-execution setting (decision operation of the "menu/decision" switch 75 with the cursor K positioned) can be performed as described above.

Further, as described above, after 17:00 on September 14 (Friday), the date display portion 163 displays both the next day "9/15" and the next day "9/16". To be done. Then, after 17:00 and before 23:00 (which is the start time of the night zone), the execution/non-execution setting is performed as described above for the both days displayed on the date display unit 163 ( The "menu/decision" switch 75 can be determined while the cursor K is positioned. However, after 23:00 on September 14th (Friday), the execution/non-execution setting (the "menu/decision" switch when the cursor K is located) is set for "9/15" which is the next day. It becomes impossible to carry out the deciding operation of 75).

After that, when the date changes and it becomes Saturday, September 15, as described above, before 17:00, both the days of “9/15” and “9/16” are continuously displayed on the date display portion 163. , The execution/non-execution setting (decision operation of the "menu/decision" switch 75 when the cursor K is positioned) cannot be performed for "9/15" which is the current day, while "9/16" which is the next day With respect to, the execution/non-execution setting (decision operation of the "menu/decision" switch 75 with the cursor K positioned) can be performed.

After 17:00 on September 15 (Saturday), the date display unit 163 displays both the next day "9/16" and the next day "9/17" on the date display unit 163, as in the above. From 00 onwards and before 23:00, the execution/non-execution settings can be made for both days. After 23:00 on Saturday, September 15, it becomes impossible to set the execution/non-execution for "9/16" the next day. After that, until 17:00 on Sunday, September 16th, both days of "9/16" and "9/17" are continuously displayed on the date display portion 163, and the execution is performed for "9/16" on that day. -While the execution/non-execution setting cannot be made, the execution/non-execution setting can be made for "9/17" the next day. After that, after 17:00, both days of “9/17” and “9/18” will be displayed on the date display portion 163 in the same manner as described above, and the execution/execution of both days will be performed before 23:00. You can set the non-execution setting. After that, the same processing mode is repeated.

<Whether settings can be canceled>
Here, in the present embodiment, the surplus boiling-up execution unit 33A sets execution/non-execution of the solar-lighting boiling-up operation (operation in the solar mode) on each of the dates received as described above. Can be canceled individually by an appropriate operation (detailed description and illustration are omitted) in the remote control device 5 thereafter. FIG. 16C of the time table shown in FIG. 16 shows an example of whether or not the cancel operation (hereinafter, appropriately referred to as “setting cancel” or “cancel”) can be performed.

As described above with reference to FIG. 16B, before 17:00 on September 14th (Friday), the execution/non-execution setting is performed for “9/15” which is the next day of the operation day. be able to. Correspondingly, as shown in FIG. 16C, the execution/non-execution setting can be canceled for "9/15" on the next day before 17:00.

After that, on Friday, September 14, after 17:00 and before 23:00 (which is the start time of the night zone), both the next day "9/15" and the next day "9/16" The execution/non-execution settings can be made as described above. Correspondingly, as shown in FIG. 16C, the execution/non-execution setting is canceled for those "9/15" and "9/16" before 12:00 and before 23:00. be able to.

After that, as mentioned above, from 23:00 on Friday, September 14 to before 17:00 on Saturday, September 15, execution/non-execution as described above for "9/16" You can make settings. At this time, as shown in FIG. 16C, before 23:00 on September 14th (Friday) and before 17:00 on September 15th (Saturday), not only “9/16” but also , "9/15", the execution/non-execution setting can be canceled. That is, the setting for September 15th can be canceled even after the day of September 15th. However, at this time, if the execution of the solar-powered boiling operation is selected on that day (here, September 15), the solar-powered boiling operation is performed on that day, that is, on the day of execution of the solar-powered boiling operation. After the time when the upper operation ends, the setting cannot be canceled (in other words, it cannot be accepted by the surplus boiling-up executing portion 33A. The same applies hereinafter). In the illustrated example, on Saturday, September 15, the solar-powered boiling operation is started at 11:00 (that is, as described above, the solar-powered boiling operation is performed at 15:00, which is two hours later). Since the setting is made to end the upper operation), after 15:00 on Saturday, September 15th, it becomes impossible to cancel the setting of the execution for “9/15”.

After that, as before, before and after 17:00 and before 23:00 on Saturday, September 15th, the execution/non-execution settings can be set for both "9/16" and "9/17". Corresponding to the above, as shown in FIG. 16C, it is possible to cancel the execution/non-execution setting for those “9/16” and “9/17”.

After that, as described above, as described above, the execution/non-execution setting is made for “9/17” from 23:00 on Saturday, September 15 to before 17:00 on Sunday, September 16. Corresponding to what is possible, as shown in FIG. 16C, the execution/non-execution setting cancellation can be performed for “9/17” and “9/16” in the time range. However, at that time, in the same manner as above, if the execution of the solar-lighting boiling operation is selected on that day (here, September 16), the sunlight on September 16 (Sunday), which is the execution day, is selected. The setting cannot be canceled after the end time of the use boiling operation. In the example shown in the drawing, the solar-powered boiling operation is started at 14:00 on Sunday, September 16 (that is, the solar-powered boiling operation ends at 16:00, which is two hours later). Therefore, after 16:00 on Sunday, September 16th, it becomes impossible to cancel the setting of the execution for the "9/16".

Furthermore, after 17:00 on September 16th (Sunday), it is possible to set the execution/non-execution of both days of "9/17" and "9/18" in the same manner as described above. It is possible to cancel the setting of execution/non-execution of. After that, the same processing mode is repeated.

<Whether to change the start time of the boiling operation using sunlight>
Further, in the present embodiment, the surplus boiling-up setting unit 33C sets the start time of the solar-lighting boiling operation (operation in the solar mode) on each date, which is accepted as described above, after that. Each date can be individually changed by an appropriate operation (detailed description and illustration are omitted) on the remote control device 5. An example of the propriety of the time change operation is shown in FIG. 16D of the time table shown in FIG.

As described above with reference to FIG. 16B and the like, before 17:00 on September 14 (Friday), the execution/non-execution setting is performed for “9/15” which is the next day of the operation day. It can be performed (when the execution is set, the start time can also be set). Correspondingly, as shown in FIG. 16(d), before 17:00, the start time should be changed (hereinafter simply referred to as "time change") for "9/15" on the next day. You can

After that, on Friday, September 14, after 17:00 and before 23:00 (which is the start time of the night zone), both the next day "9/15" and the next day "9/16" The execution/non-execution settings can be made as described above. Correspondingly, as shown in FIG. 16(d), the time change can be performed for those "9/15" and "9/16" before 13:00 and before 23:00.

After that, as mentioned above, from 23:00 on Friday, September 14 to before 17:00 on Saturday, September 15, execution/non-execution as described above for "9/16" You can make settings. At this time, as shown in FIG. 16D, not only the “9/16” but also 23:00 on September 14th (Friday) and before 17:00 on Saturday September 15th. , "9/15", the time can be changed. That is, with respect to the setting for September 15th, the time can be changed even after the day of September 15th. However, at this time, in the state where the execution of the solar-powered boiling operation is selected on that day (here, September 15th), the solar usage of that day, that is, the day of execution of the solar-powered boiling operation, is performed. After the time when the boiling operation is started, the time cannot be changed (in other words, the surplus boiling setting unit 33C cannot accept it. The same applies to the following). In the example shown in the figure, the setting for starting the solar-powered boiling operation starts at 11:00 on September 15th (Saturday), so after 11:00 on September 15th (Saturday). Cannot change the start time of “11:00 on 9/15”.

After that, as before, before and after 17:00 and before 23:00 on Saturday, September 15, it is possible to set the execution/non-execution on both days of "9/16" and "9/17". Corresponding to the above, as shown in FIG. 16D, the time change can be performed for those “9/16” and “9/17”.

After that, as described above, as described above, the execution/non-execution setting is made for “9/17” from 23:00 on Saturday, September 15 to before 17:00 on Sunday, September 16. Corresponding to what is possible, as shown in FIG. 16D, the time can be changed for “9/17” and “9/16” in the time range. However, at that time, in the same manner as described above, if the execution of the solar-lighting boiling operation is selected on that day (here, September 16), the sunlight on September 16 (Sunday), which is the execution day, is selected. The time cannot be changed after the start time of the use boiling operation. In the illustrated example, the solar-powered boiling operation is started at 14:00 on Sunday, September 16th. Therefore, after 14:00 on Sunday, September 16th, the "9/16 14:00” of the start time cannot be changed.

Further, after 17:00 on September 16th (Sunday), it is possible to set the execution/non-execution of both days of “9/17” and “9/18” in the same manner as described above. It is possible to change the time. After that, the same processing mode is repeated.

<Characteristic 2 of First Embodiment 2 Standby Screen of Remote Control Device>
Another feature of the present embodiment is a mode of display on a standby screen in the screen display unit 60 of the remote control device 50 when performing the boiling operation using sunlight. The details will be described below step by step.

As described above with reference to FIG. 5, etc., the standby screen 60A is displayed on the screen display unit 60 of the remote control device 50 in the standby state. Then, when the execution (and the start time) of the boiling operation using sunlight is set as described above, a different mode of display is performed according to the timing until the execution.

That is, as described above, execution/non-execution of the solar-assisted boiling operation is selected for the plurality of days (two days in this example), and execution of the solar-assisted boiling operation is selected for at least one day. In this case, as shown in FIG. 17A, in the date display portion 171 of the standby screen 60P, the latest date is displayed among the dates (=execution date) of at least one day when the execution is selected. It The display on the date display unit 171 is performed until the day before the most recent execution day after the execution of the solar light boiling operation is set. As described above, in the standby screen 60P of FIG. 17A, the solar-powered boiling operation is started at 11:00 on September 15 (Saturday), and at 14 on September 16 (Sunday). 9 shows the display state at 20:00 on Friday, September 14th, when it is set to start the boiling operation using sunlight at 0:00. With this setting, since the latest execution date of the boiling operation using sunlight is September 15 (Saturday), the date display section 171 displays "9" until the execution date of September 14 (Friday). "/15" is displayed.

In addition, in the present embodiment, when the date of the latest execution date is set on the date display unit 171, that is, until the day before the latest execution date, next to the date display unit 171, the solar light boiling is performed. A surplus boiling notice mark MK (sun mark shape, which corresponds to an example of notice display) is displayed to give notice of the execution of the operation.

When the latest execution date comes after the state shown in FIG. 17A, the screen display unit 60 displays the standby screen 60Q of FIG. 17B. In this standby screen 60Q, instead of the date display unit 171 in the standby screen 60P, there is provided a time display unit 172 that represents the start time of the sunlight use boiling operation on the execution date of the sunlight use boiling operation. Be done. More specifically, the switching of the display from the date display unit 171 to the time display unit 172 is performed not at 0:00 am when the date is switched from the day before the execution date to the execution date, rather than at 0:00 am in the night zone. Is performed at the fourth predetermined time (for example, 1:00, see FIG. 19A described later) which is the later timing.

In the example illustrated in FIG. 17B, the time display unit 172 displays “11: on the basis of the setting that the solar-powered boiling operation is started at 11:00 on Saturday, September 15 described above. "00" is displayed. The display on the time display unit 172 is performed after the execution date of the solar-powered boiling operation is reached and before the solar-powered boiling operation is actually started.

After the state shown in FIG. 17(b), at the start time of the boiling operation using the sunlight on the execution day, the standby screen 60R of FIG. 18 is displayed on the screen display unit 60. In the standby screen 60R, a message "in addition of hot water" indicating that the solar-powered boiling operation is being executed is displayed instead of the date display portion 171 and the surplus boiling notice mark MK in the standby screen 60Q. MS (corresponding to an example of execution display) is displayed. It should be noted that this message display MS is carried out while the above-mentioned boiling operation using sunlight is actually being executed (in the example shown, the state at 11:30 on Saturday, September 15 is shown). ..

The screen transition of the screen display unit 60 shown in FIGS. 17 and 18 described above is performed under the control of the display control unit 33B.

<Timetable of standby screen display example>
An example of display contents on the standby screens 60P, 60Q, and 60R described with reference to FIGS. 17A, 17B, and 18 is shown in FIG. 19A of the time table shown in FIG. Show.

In FIG. 19A, in this example, the sun whose start time is each of 11:00 on September 15 (Saturday) and 14:00 on September 16 (Sunday) The setting for execution of the boiling operation using light (operation in the solar mode) is made at 20:00 on Friday, September 14th. As described above, after the execution of the solar-powered boiling operation is set, the date display unit 171 displays the latest date on the day before the latest execution date and before the latest execution date of 1:00. The execution date of is displayed. As a result, “9/15” is displayed on the date display portion 171 on the standby screen 60P from 20:00 on September 14th (Friday) to before 1:00 on September 15th (Saturday). As described above, the surplus boiling notice mark MK (sun mark shape) is displayed beside it.

After that, as described above, after 1:00 on the most recent execution day, the start time of the solar light boiling operation is displayed on the time display unit 172, and the solar light boiling operation is actually executed. In the meantime, the message display MS is displayed. As a result, as shown in the figure, in addition to the surplus boiling notice mark MK (sun mark shape) on the standby screen 60Q, the time is displayed before 10:00 to 11:00 on Saturday, September 15. In the section 172, “11:00” is displayed. Then, as described above, after the solar-powered boiling operation starts at 11:00 on Saturday, September 15th, the solar-powered boiling operation ends until 13:00, and then waits. On the screen 60R, the message display MS of "adding hot water" is displayed.

Then, after 13:00 on Saturday, September 15th, "9/16" in the date display portion 171 of the standby screen 60P and the surplus boiling notice mark MK (sun mark shape) are displayed in the same manner as above. This display is displayed before 1:00 on September 16 (Sunday). Then, after 10:00 on September 16 (Sunday), "14:00" and the surplus boiling notice mark MK (sun mark shape) on the time display portion 172 of the standby screen 60Q are displayed as described above. After that, during the period from 14:00 to 16:00 on Sunday, September 16, the message display MS of "adding hot water" is displayed on the standby screen 60R. Note that in this example shown in FIG. 19A, before 20:00 on September 14 (Friday) before the setting is performed and after 16:00 on September 16 (Sunday). Indicates the standby screen 60A shown in FIG. 5 without the date display portion 171, the time display portion 172, the surplus boiling notice mark MK, and the message display MS (abbreviated as “x” in FIG. 19A). Is displayed.

In addition to the above, in FIG. 19B, the setting of non-execution of the boiling operation using sunlight is set for September 15 (Saturday), and the start time is 14:00 for September 16 (Sunday). The setting of execution of the above solar light boiling operation (operation in the solar mode) is performed at 20:00 on Friday, September 14. In this case, since the latest execution date is September 16 (Sunday), as shown in the figure, before September 2:00 (Friday) 20:00 to September 16 (Saturday) 1:00. Until then, on the standby screen 60P, "9/16" is displayed on the date display portion 171 and the surplus boiling notice mark MK (sun mark shape) is displayed next to it as described above.

After that, until 10:00 to 14:00 on Sunday, September 16th, in addition to the surplus boiling notice mark MK (sun mark shape) on the standby screen 60Q, the time display unit 172 displays “14: 00” is displayed. Then, as described above, after the solar-powered boiling operation is started at 14:00 on Sunday, September 16th, the solar-powered boiling operation is finished until 16:00 until the solar-powered boiling operation ends. On the screen 60R, the message display MS of "adding hot water" is displayed. In this example shown in FIG. 19B, before 20:00 on September 14 (Friday) and before 16:00 on Sunday, September 16 before the setting is performed. Indicates the standby screen 60A shown in FIG. 5 without the date display portion 171, the time display portion 172, the surplus boiling notice mark MK, and the message display MS (abbreviated as “x” in FIG. 19A). Is displayed.

Further, in FIG. 19(c), as in the case of FIG. 19(a), the setting of execution of the solar light boiling operation at the start time 11:00 with respect to September 15 (Saturday), September 16 ( After setting the execution of the solar-powered boiling operation at the start time of 14:00 for Sunday) at 20:00 on Friday, September 14, then at 6:00 on Saturday, September 15 In the above, an example in which the setting of the start time 11:00 on September 15 (Saturday) is changed to 12:00 is shown.

In this case, it is the same as in FIG. 19A until the change is made, and the standby screen is displayed before 0:00 of September 14 (Friday) 20:00 to September 15 (Saturday). At 60P, "9/15" is displayed on the date display portion 171, and the surplus boiling notice mark MK (sun mark shape) is displayed beside it as described above. After that, from 10:00 to 6:00 on Saturday, September 15th, on the standby screen 60Q, in addition to the surplus boiling notice mark MK (sun mark shape), the time display unit 172 displays “11: 00” is displayed. After the change is made at 6:00 on September 15th (Saturday), the standby screen is displayed until 12:00 on September 15th (Saturday) after the change is made. At 60Q, in addition to the surplus boiling notice mark MK (sun mark shape), "12:00" is displayed on the time display portion 172. Then, at 12:00 on Saturday, September 15th thereafter, the setting (to reflect the above-mentioned change) to start executing the solar-assisted boiling operation from 12:00 is the same as in step S40 or As described in step S42, the surplus boil-up execution section 33A and the surplus boil-up setting section 33C receive the control, and based on this setting, the above-described control of step S40 and step S42 and thereafter is executed. In this way, the solar-powered boiling operation is started, and after 12:00, until the solar-powered boiling operation ends, until 14:00, the message display MS of "adding hot water" is displayed on the standby screen 60R. It Since the subsequent steps are the same as those in FIG. 19A, description thereof will be omitted.

Further, in FIG. 19D, similar to FIG. 19A, the setting of execution of the solar-powered boiling operation at the start time 11:00 with respect to Saturday, September 15, September 16 ( After setting the execution of the solar light boiling operation at the start time of 14:00 for Sunday) at 20:00 on Friday, September 14th, at 11:00 on Saturday, September 15th. In the above, an example will be described in which the setting of the start time 11:00 on Saturday, September 15 is changed to be advanced to 10:00.

In this case, similarly to the above, until the change is made, the display mode is the same as that of FIG. 19A, and from 0:00 of September 14 (Friday) to 0:00 of September 15 (Saturday). Until now, in the standby screen 60P, "9/15" is displayed on the date display portion 171 and the surplus boiling notice mark MK (sun mark shape) is displayed next to it as described above. After that, until 10:00 to 11:00 on Saturday, September 15th, in addition to the surplus boiling notice mark MK (sun mark shape) on the standby screen 60Q, the time display section 172 displays “11: 00” is displayed. Then, when the change to be carried up to 10:00 is made at 11:00 on Saturday, September 15th, the advanced start time of 10:00 has already passed corresponding to the change. Therefore, as described above in step S40 and step S42, the setting to reflect the start of the solar-assisted boiling operation from 10:00 (reflecting the changed contents) is the excess boiling execution. The part 33A and the surplus boiling setting part 33C accept the control, and the control is executed based on this setting. That is, in response to the fact that the start time has already passed, the determination in step S320 of FIG. 9 is satisfied, and the surplus boiling-up control unit 40 immediately causes the surplus boiling (using solar light) in step S322. The boiling operation) is started. In this way, after the solar-powered boiling operation is started at 11:00, until the solar-powered boiling operation ends 2 hours later (that is, 13:00), the "hot water addition" is displayed on the standby screen 60R. The message display MS of "Medium" is displayed. Since the subsequent steps are the same as those in FIG. 19A, description thereof will be omitted.

<Effects of First Embodiment>
As described above, according to the present embodiment, the selection of execution/non-execution of the solar light boiling operation and the setting of the start time are performed by a plurality of consecutive days (two consecutive days in the above example). ), and the selection of the execution/non-execution and the setting of the start time of the solar-powered boiling operation can be individually performed for each of the plurality of due dates. As a result, for example, on the desired date (September 14 (Friday) according to the above example) that precedes the execution day of the solar-powered boiling operation, the user can previously select a plurality of days (9 according to the above example). Selection of execution/non-execution of the boiling operation using the solar light (for two days on Saturday, September 15th and Sunday, September 16th) (see FIG. 12(a), FIG. 15(a), etc.) It is possible to set the start time on the execution date (see FIG. 13B, FIG. 15B, etc.) at once, and to change the selection/setting contents individually for each deadline. As a result, the complexity of having to perform execution/non-execution of the boiling operation using sunlight and the setting of the operation start time every day can be eliminated, and the convenience for the user can be improved.

Further, particularly in the present embodiment, on a certain date, the selection of whether or not to execute the solar-lighting boiling operation on that day (the present day) is not accepted (see FIG. 16B). This has the following significance. That is, as described above, normally, when performing a boiling operation using sunlight, the boiling water amount (corresponding to the night boiling capacity) in the boiling operation performed in the night zone of the day before is By subtracting the amount of boiling water expected in the boiling operation using sunlight (corresponding to the corrected night boiling capacity), it is possible to suppress the electricity charge during night boiling. Therefore, whether or not to perform the boiling operation using sunlight must be determined at least the day before the operation. In the present embodiment, by not accepting the selection of execution/non-execution of the solar-powered boiling operation on the day, in other words, by accepting only the selection made at least until the day before, the electricity by subtracting the boiling water amount is changed. It is possible to reliably control charges.

In addition, in the present embodiment, in particular, on a certain day, execution/non-execution of the solar light boiling operation after the start time of the night zone (after 23:00 in the above example) on that day (the current day) Is not accepted (see FIG. 16B). This has the following significance. That is, usually, the night zone is a time zone starting from midnight time late on a certain date, changing to the date of the next day at midnight, and ending until early morning of the next day (for example, determined by the contract content with the electric power company. 23:00-7:00 in the above example). In the present embodiment, even before midnight, the execution/non-execution of the solar light boiling operation is not accepted at the start time when the night zone starts. . As a result, similarly to the above, it is possible to surely suppress the electricity bill by subtracting the boiling water amount in the boiling operation in the nighttime zone.

Further, particularly in the present embodiment, once canceled as described above, cancellation (cancellation) for selection of the execution or the non-execution of the solar-assisted boiling operation for each due date is individually canceled for each due date. Will be accepted. Accordingly, even if the user wants to cancel the selection of execution/non-execution of the boiling operation using sunlight, which is once performed by the user for some reason such as the content of the weather forecast being changed, for example, it can be surely dealt with. As a result, the convenience for the user can be further improved.

Further, particularly in the present embodiment, the end time of the solar-powered boiling operation on the execution day when the solar-powered boiling operation is executed (September 15 (Saturday) 13:00, September in the above example). After 16:00 on the 16th (Sunday), the cancellation for the selection of the execution or the non-execution on the execution date is not accepted. Accordingly, it is possible to prevent the confusion in control due to the cancellation of the execution selection at the timing when the solar-powered boiling operation has already been executed by the user's selection of the execution.

Further, particularly in the present embodiment, a change to the setting of the start time of the solar-powered boiling operation for each date, which has been once accepted, is individually accepted for each date (see FIG. 16D, etc.). Accordingly, even if the user wants to change the setting of the start time of the solar-powered boiling operation once performed by the user due to some circumstances such as the content of the weather forecast changing, it is possible to surely deal with the situation. As a result, the convenience for the user can be further improved.

Further, particularly in the present embodiment, the start time of the solar-powered boiling operation on the execution day of the solar-powered boiling operation (September 15 (Saturday) 11:00, September 16 in the above example). After (Sunday) 14:00), changes to the start time of the solar-assisted boiling operation cannot be accepted. With this, it is possible to prevent the confusion in control due to the change of the start time at the timing when the solar light boiling operation has already been started by the setting of the start time by the user. ..

Further, particularly in the present embodiment, at a reception time earlier than the start time of the execution day of the solar light boiling operation, a change that makes the start time of the solar light boiling operation earlier than the reception time is accepted. When the temperature rises (see FIG. 19D), the solar light boiling operation is immediately started. With this, unlike the initial intention of the user, in response to the new intention to start the solar-powered boiling operation at a timing earlier than the current time, the solar-powered boiling operation is started as quickly as possible. be able to.

Further, particularly in the present embodiment, in the date display portion 163 of the setting screens 60D and 60J of the screen display portion 60, a predetermined display date (in the above example, the operation date is before 17:00. The operation is after 17:00). Dates for a plurality of days (two days in the above example) including the day after the day) are displayed, and execution/non-execution of the solar-powered boiling operation is accepted for each deadline (FIG. 11(b), 12(a), 14(b), 15(a), etc.). Thereby, the user can sequentially select execution/non-execution of the solar-lighting boiling operation for each date while viewing the displayed dates for the plurality of days. As a result, the selection can be performed by an easy-to-understand and simple operation, and the convenience for the user can be improved. In addition, the user selects whether execution of the solar light boiling operation is selected or not executed for each date of the plurality of days, how many of the plurality of days have been selected, etc. Can be easily confirmed. As a result, the user can determine whether or not it is necessary to change the selection according to a change in the weather forecast, and can appropriately change the selection as necessary.

Further, particularly in the present embodiment, the date display portion 163 of the setting screens 60D and 60J of the screen display portion 60 includes the desired date before the first predetermined time (17:00 in the above example). A plurality of days worth of dates are displayed, and after the first predetermined time of the desired day, the days worth of the plurality of days including the next day of the desired day are displayed. This has the following significance.

That is, for example, even if the irradiation of sunlight is sufficient for power generation during the day, it gradually decreases as it approaches the evening, and becomes insufficient for power generation at a certain time (for example, 17:00). It becomes a state. Therefore, it is meaningless to display the date of the day on the screen display unit 60 since solar power generation of the day is not possible after that time (it is sufficient to display the day after the day after that day). Therefore, in the present embodiment, as shown in FIG. 16A, etc., before the first predetermined time, the dates for the plurality of days including the day are displayed, while the first predetermined time and thereafter are displayed. Displays the dates for the plurality of days from the next day. Alternatively, for example, when it is set to execute the solar-powered boiling operation on that day, even after the solar-powered boiling operation is executed, the date of the day is displayed on the screen display unit 60 in the same manner as described above. There is no meaning to display (it is sufficient to display the day after the day after). Therefore, in the above-described modified example, as shown in FIG. 17A and the like, the timing at which the solar-powered boiling operation has been executed (in the above example, September 15 (Saturday) 13:00, 9) Before 16:00 on Sunday (Sunday 16th of the month), the dates for the multiple days including that day are displayed, while after the timing when the boiling operation using the solar light has been executed, the multiple days from the day after the day are displayed. Display the date of. By the above method, it is possible to avoid the above-mentioned display having substantially no meaning and to make the display contents easy for the user to understand.

Further, particularly in the present embodiment, on the setting screen 60H and the like, the third predetermined time (the above-mentioned predetermined time) that is earlier than the first predetermined time from the second predetermined time (7:00 in the above example) after the end time of the nighttime zone (the above-mentioned In the example of 1), a plurality of start time candidates that can be set as the start time of the solar light boiling operation (in the above example, “7:00”, “8:00”, and “9:00”) "10 o'clock", "11 o'clock", "12 o'clock", "13 o'clock", "14 o'clock", "15:00 o'clock") are sequentially displayed in a visually recognizable manner, and any one of the selections by the user is accepted. This has the following significance.

Since solar power generation is not performed at least in the night zone, the start time when the solar-powered boiling operation is performed is after the end time of the night zone. Further, as described above, solar power generation is not possible after the first predetermined time (17:00 in the above example), so the start time is before the first predetermined time. In detail, considering the time required for the solar-powered boiling operation (2 hours in the above example), the start time is set after the time advanced from the first predetermined time by the time required. But it doesn't make sense. Therefore, in the present embodiment, from the second predetermined time (7:00 in the above example) after the end time of the night zone to the third predetermined time (15:00 in the above example) earlier than the first predetermined time. The plurality of start time candidates are displayed in the time range (7 to 15:00 in the above example). It is sufficient for the user to appropriately select the start time from the plurality of candidates, so that it is easy to understand with a simple operation and the convenience can be further improved.

Further, particularly in the present embodiment, at the third predetermined time (15:00 in the above example), the time deviation up to the first predetermined time is the time required for the solar-powered boiling operation (the above example). It is set to be 2 hours or more). This ensures that the time difference between the third predetermined time and the first predetermined time is at least as long as the time required for the boiling operation using sunlight (2 hours in the above example) or more. It is possible to reliably avoid a meaningless display and make the display content easy for the user to understand and use.

In addition, particularly in the present embodiment, when execution of the solar-powered boiling operation is selected, on the standby screen 60P, the day before the latest execution day on which the solar-powered boiling operation is executed (the above-mentioned In the example, until September 14 (Friday), for example, the surplus boiling notice mark MK for notifying the execution of the solar light boiling operation and the date display portion 171 representing the date of the most recent execution day. ("9/14" in the above example) is displayed. Thereby, the user can reliably visually confirm that the execution of the boiling operation using sunlight is selected and when the boiling operation using sunlight is executed. In addition, since the latest solar-powered boiling operation execution date can be easily confirmed, the user can determine whether the execution/non-execution selection needs to be changed according to changes in the weather forecast. Can be determined, and the above-mentioned selection change and the like can be appropriately performed as necessary.

Further, particularly in the present embodiment, when the latest execution date (eg, Friday, September 14 in the above example) comes, the standby screen 60Q replaces the date of the latest execution date with the sun. The time display unit 172 (“11:00” in the above example) indicating the start time of the light-assisted boiling operation is displayed. Thus, the user can reliably visually recognize that the day of the boiling operation using the sunlight has come and what time of the day the boiling operation using the sunlight starts. In addition, since the start time of the solar-powered boiling operation can be easily confirmed on the day, the user can further change the selection of the execution/non-execution or the selection depending on the change of the weather forecast for each time zone of the day. Whether or not the setting of the start time needs to be changed can be determined to the last minute, and the selection and the start time can be appropriately changed as necessary.

Further, particularly in the present embodiment, switching from the date display portion 171 of the standby screen 60P to the time display portion 172 of the standby screen 60Q is performed at the fourth predetermined time (1 in the above example, which is later than midnight in the night zone). : 00). This has the following significance.

That is, as described above, the setting of the night zone may vary depending on the contents of the contract with the electric power company. There may be cases where the boundaries do not match well. Therefore, in the present embodiment, by switching from the date display section 171 to the time display section 172 display at the fourth predetermined time (1:00 in the above example) later than midnight, the above-mentioned adverse effect is caused. Can be prevented in advance.

Further, particularly in the present embodiment, while the solar-powered boiling operation is being executed, the message display MS of "adding hot water" indicating that it is being executed is displayed on the standby screen 60R. As a result, it is possible to reliably inform the user that the boiling operation using sunlight is currently being executed. In addition, it is also possible to make the user surely recognize that the start time of the boiling operation using the sunlight on that day cannot be changed.

Further, particularly in the present embodiment, the selection of execution/non-execution of the solar light boiling operation and the setting of the start time are performed on two consecutive dates (in the above example, September 15 (Saturday) and September 16 (Sunday) (see FIG. 11A, FIG. 14A, etc.) can be performed individually. This has the following significance.

In general, the weather forecast often announces the change of the weather according to the time zone only for the next two days. In other words, technically, the weather after three days can only be predicted roughly for each day. In the present embodiment, in response to this, the selection of execution/non-execution of the boiling operation using sunlight and the setting of the start time are performed over two consecutive days. That is, the selection of the execution/non-execution of the solar-powered boiling operation and the setting of the start time of the solar-powered boiling operation are separately performed only for two days, the next day and the next day after the desired day. To be able to do it. Accordingly, the selection and the setting at the previous date, which does not make much sense in view of the above technical circumstances, can be eliminated, and an easy-to-use apparatus configuration that matches the actual situation can be provided.

A second embodiment of the present invention will be described with reference to FIGS. In the present embodiment, in the same setting screen as described above, selection of execution/non-execution of the boiling operation using sunlight and setting of its start time are performed over a predetermined continuous consecutive day (for example, an appropriate number of days such as one week). This is an embodiment that can be collectively performed for all dates. The same parts as those in the first embodiment are designated by the same reference numerals, and the description will be omitted or simplified as appropriate.

<Functional configuration>
The functional configuration of the control device 31 in this embodiment is the same as that shown in FIG. Similar to the first embodiment, the user confirms, for example, known weather information displayed on the remote controller 50 or known weather information displayed on an information terminal (not shown) outside the hot water supply system. Then, based on the meteorological information, it is determined whether or not the solar-powered boiling operation can be performed on the target consecutive dates (in this example, seven consecutive dates for one week). As in the case of the first embodiment, the continuous date is, for example, the day after the desired day (hereinafter, simply referred to as “next day”) of the desired date when the control procedure according to the flow shown in FIGS. It is a plurality of days including the next day (hereinafter, simply referred to as “the next two days” as appropriate), and in this example, it is one week starting from the next day, that is, a total of seven days. The day after the desired day and the day after the desired day may be set as the calculation day.

Similar to the first embodiment, the user, for example, estimates the behavior of the power generation amount based on the meteorological information and determines whether or not the solar-powered boiling operation can be performed. Similar to the first embodiment, various settings are manually performed using the remote controller 50 having the configuration shown in FIG. 5 (details will be described later). Based on this setting, the control device 31 executes the control procedure shown in the flowcharts of FIGS. 6, 7, 8, and 9 as in the first embodiment.

<Characteristics 1 to 2 of the first embodiment> Setting screen of remote control device>
Similar to the first embodiment, one of the features of the present embodiment is a mode of setting and displaying on the remote control device 50 for performing the solar-powered boiling operation. The details will be described below step by step.

As described above with reference to FIG. 5, the screen display unit 60 of the remote control device 50 is always in the standby state, and the standby screen 60A is displayed. In this embodiment, by operating the “menu/decision” switch 75 from this state, the display of the screen display unit 60 shifts to a main menu screen (not shown), and further, the “menu/decision” switch 75 and the like are displayed. By performing an appropriate operation, the screen shifts to the setting screen 60B' shown in FIG.

On the setting screen 60B', an operation mode display portion 161 for selectively displaying a plurality of operation modes (normal "operation mode" and "solar mode one week" in this example) in the hot water storage water heater 1, and a message. And a display portion 162. The “solar mode for one week” displayed on the operation mode display unit 161 is a mode for performing boiling operation using sunlight, similar to the “solar mode” of the first embodiment.

From the state shown in FIG. 20(a), in order to select the solar mode for one week, the user operates the cross key 74 downward to move the cursor K in the screen downward by one step, as shown in FIG. It shows in (b). As shown in FIG. 20B, on the setting screen 60C', the cursor K is moved to the position of "solar mode one week" in the operation mode display portion 161 in response to the operation. In response to this, the message display section 162 displays a message "Solar mode for one week will be set. Please set before starting the night zone."

In the present embodiment, on the operation day (corresponding to the display day) on which the above-described operation is performed on the remote control device 50, the solar light is changed for each day for one week starting from the next day of this operation day. It is possible to collectively set execution/non-execution of use boiling operation (in other words, operation in solar mode for one week. The same applies below). To make this setting, FIG. 21A shows a state in which the user has performed a determination operation using the “menu/determination” switch 75 with the cursor K shown in FIG. 20B.

As shown in FIG. 21A, the setting screen 60E' has a message display section 165 and a setting content display section 166. FIG. 21A shows a case where the remote control device 50 is operated on September 14, and in this case, the target one week date is from September 15 (Saturday) to September 21. Corresponding to (Friday), the message display section 165 displays a message "Set operation until 9/21 (Friday)". That is, the message display unit 165 displays the final date after the lapse of a plurality of days (7 days, which is one week in this example) from the operation date.

Further, in the setting content display unit 166, target dates (in this example, September 15 (Saturday), September 16 (Sunday), September 17 (Monday), September 18 (Tuesday)) , September 19th (Wednesday), September 20th (Thursday), September 21st (Friday) in common, collectively, either the execution or non-execution of the solar light boiling operation. “Yes” notation (when execution is set) or “not” notation (when non-execution is set) indicating that it has been set, and the operation start when the above-mentioned solar light boiling operation is executed The “start” notation indicating the time, the notation of the start time (if set) or the “−” notation (if not set), and the like are displayed. In the illustrated example, in correspondence with the setting of non-execution of the solar-powered boiling operation, in addition to the "solar mode 1 week" and the "start" notation, the "not" notation and the "-" notation And are displayed. In addition, in this state, the cursor K is located in the “not” notation of the “do” and the “not” notations, and the selection using the solar light boiling operation is not performed (that is, non-execution). Has become.

From the state shown in FIG. 21(a), in order to select the execution of the boiling operation using sunlight, the user operates the cross key 74 once upward to move the cursor K in the screen upward. The state is shown in FIG. As shown in FIG. 21(b), in this setting screen 60F', the cursor K moves to the "do" notation that indicates the execution of the solar-powered boiling operation in response to the operation.

From the state shown in FIG. 21( b ), the user operates the cross key 74 once to the right to move the cursor K to the right to set the start time of the boiling operation using sunlight. FIG. 22(a) shows the state in which it is made. As shown in FIG. 22A, in the setting screen 60G', the cursor K is located at the "start" notation corresponding to the operation.

FIG. 22B shows a state in which the user has performed the determination operation using the “menu/determination” switch 75 from the state shown in FIG. 22A. As shown in FIG. 22B, in this setting screen 60H′, similar to the setting screen 60H of FIG. 13A of the first embodiment, a list of start time candidates that can be set as the start time is displayed. It Specifically, from a second predetermined time (for example, 7:00 in this example, not shown) after the end time of the night zone (7:00 in the above example), a predetermined third predetermined time (in this example, In the time range up to 15:00 in the figure, a plurality of start time candidates "7:00", "8", "9", "10", "11", "12:00", "13:00", "14:00", " 15:00" is displayed (partly not shown). As in the first embodiment, instead of the method of displaying a list of start time candidates in a pop-up format or an interrupt window format as shown in the figure, the start time candidate "7 o'clock" is displayed with the original setting screen 60H' displayed. "8", "9", "10", "11", "12:00", "13:00", "14:00" and "15:00" may be sequentially displayed one by one.

The third predetermined time is an example of the time (in other words, the time when the power generation is assumed to fall from the sufficient state to the insufficient state) that can be regarded as the limit at which the solar power generation device 3 can maintain the sufficient power generation. Is set in advance to a time earlier than the first predetermined time (for example, 17:00), and as in the first embodiment, in this example, the time deviation from the first predetermined time (17:00) is It is set so as to be longer than or equal to the time required for the boiling operation using sunlight. Also in the present embodiment, as in the first embodiment, the surplus boiling capacity that is boiled in the solar-powered boiling operation is fixed to, for example, 100 L (however, the surplus boiling capacity is variable as in the above. Since it is expected that the time required for boiling up the capacity is about 2 hours, the third predetermined time is set to the first predetermined time (17 It is set to 15:00, which is two hours before (0:00). In this setting screen 60H', similarly to the setting screen 60H of the first embodiment, a start time candidate (for example, "12:00") that is appropriately determined in advance is displayed as a selected state by default. Good. Alternatively, the start time set at the previous time may be displayed as the state selected by default.

FIG. 23 shows a state in which the user has set (selected) the start time at 11 o'clock from the state shown in FIG. 22B by operating the cross key 74 and the “menu/decision” switch 75. As shown in FIG. 23, in the setting screen 60I′, in the setting content display unit 166, the above-mentioned “solar mode” notation, “do” notation, and “start” notation corresponding to the above-described operation. And (instead of the “−” notation), the notation “11 o'clock” that indicates that the solar-powered boiling operation is started at 11:00.

When the user operates the "menu/decision" switch 75 in the state shown in FIG. 23, the display on the screen display unit 60 returns to the standby screen 60A shown in FIG. At the time of this operation, a voice such as “set” or “setting by September 21 is completed” may be output from the speaker 73.

In addition, the setting of executing the boiling operation using sunlight on each date until September 21 corresponding to the above operation, and the setting of the start time thereof to 11:00 are the steps S40 and step. As described in S42, the surplus boiling-up executing unit 33A and the surplus boil-up setting unit 33C receive the settings, and the settings are reflected in the above-described control after Step S40 and Step S42. That is, the surplus boiling-up executing unit 33A functions as a common selection receiving unit described in each claim, and the surplus boiling-up setting unit 33C functions as a common setting receiving unit described in each claim. Further, as a result, the surplus boiling-up control unit 40 that executes the surplus boiling-up process in step S300 functions as the heating control unit according to each claim.

Further, the screen transition of the screen display unit 60 shown in FIGS. 5 and 20 to 23 described above is performed by the control of the display control unit 33B. That is, the display control unit 33B functions as a final display control unit and a time display control unit described in each claim.

<Timetable showing various processes>
A plurality of days (in this example, 7 days, which is one week in this example) shown in the message on the message display unit 165 described in the setting screens 60B' to 60I' displayed on the screen display unit 60 of the remote controller 50. An example of the notation indicating the final date after the lapse of (minutes) is shown in FIG. 24(a) in the time table shown in FIG.

<Last date display>
As described above, the message on the message display unit 165 displays the final date one week after the operation date (display date). Therefore, as shown as an example in FIG. 24A, “until 9/21 (Friday)” is displayed in the message on the message display unit 165 on Friday, September 14. However, after 23:00 on September 14th (Friday) before 00:00am on Saturday, September 15th, the message on the message display unit 165 will show a week from the day after the operation day. The last date after the lapse, that is, "until September 22 (Sat)" is displayed. After that, the display of “until September 22 (Saturday)”, which is the final date after one week has passed, continues until 23:00 on Saturday, September 15. After that, in the same manner as above, after 23:00 on September 15 (Saturday), the message "until September 23 (Sun)" will be displayed in the message on the message display unit 165 as well. This display content is displayed before 23:00 on Sunday (Sunday). After that, the same display mode is repeated.

<Whether the last date can be set>
On the other hand, as shown in FIG. 21A, the cross key 74 is in a state in which the cursor K is in the “Yes” or “No” position corresponding to the display of the last date in the message of the message display unit 165. Setting of execution/non-execution of the above-mentioned boiling operation using sunlight (operation in solar mode for one week) up to the final date, which is performed by operating the "menu/decision" switch 75 or 24(b) in the time table shown in FIG. 24.

As described above with reference to FIG. 24A, before 23:00 (which is the start time of the night zone) on Friday, September 14, "9/" is displayed in the message on the message display unit 165. Until 21 (Fri)” is displayed. That is, in the setting screen 60E′ shown in FIG. 21(a), as described above, one week has passed since September 14th (Friday) of the operation day, starting from September 15th (Saturday) the next day of the operation day. It is possible to set the execution/non-execution for the subsequent until Friday, September 21. In addition, at that time, the execution/non-execution from September 14 (Friday) to September 21 (Friday), which is one week after the operation day, is set as the start date. The setting cannot be performed (=in other words, it is not accepted by the surplus boiling-up execution unit 33A. The same applies hereinafter). As a result, the execution/non-execution setting cannot be performed for "9/14 minutes", which is the operation day.

Then, as described above, after 23:00 on September 14th (Friday), "until 9/22 (Saturday)" is displayed in the message on the message display unit 165. That is, on the setting screen 60E', one week after the operation day, that is, the day after the operation day, that is, the day after the operation day, that is, the day after the operation day, starting from September 14 (Friday), It becomes impossible to set the execution/non-execution until September 21 (Friday). Instead, the execution/non-execution from September 15 (Saturday), the day after the operation day, to September 22 (Saturday), one week after the operation day, starting from September 16 (Sunday) Execution can be set (in other words, the execution/non-execution setting cannot be made for "9/15", which is the next day of the operation day). This state will continue until 23:00 before Saturday, September 15.

After that, from 23:00 on Saturday, September 15th, "until 9/23 (Sun)" is displayed in the message on the message display unit 165 as described above. Then, similarly to the above, the execution from September 16 (Sunday) the day after the operation day to September 23 (Sunday) one week after the operation day, starting from September 17 (Monday) The non-execution setting can be made, and this state continues until 23:00 before Saturday, September 16th. After that, the same display mode is repeated.

<Whether settings can be canceled>
Here, in the present embodiment, as in the first embodiment, the surplus boiling-on execution unit 33A receives a plurality of days (7 days, which is one week in this example) received as described above. The setting of execution/non-execution of the solar-powered boiling operation (operation in solar mode for one week) can be individually canceled by an appropriate operation (detailed description and illustration are omitted) in the remote control device 5 thereafter ( = Function as a common cancellation acceptance means described in each claim). FIG. 24(c) of the time table shown in FIG. 24 shows an example of whether or not the cancel operation (hereinafter, appropriately referred to as “setting cancel” or “cancel”) can be performed.

As described above with reference to FIG. 24B, before 23:00 on September 14th (Friday), the operation day September 14th is set to be the start date of the operation day next day September 15th (Saturday). It is possible to set the execution/non-execution from the day (Friday) to September 21 (Friday) after one week has passed. Correspondingly, as shown in FIG. 24C, the setting cancellation of execution/non-execution from September 15 (Saturday) to September 21 (Friday) is canceled before 23:00. It can be done in a batch.

In the example of FIG. 24C, an example in which the execution setting from September 15 (Saturday) to September 21 (Friday) is performed at 11:00 on Friday, September 14 Before 23:00 on September 14th (Friday), it is possible to cancel the setting of the execution from September 15th (Saturday) to September 21st (Friday). it can.

After that, after 23:00 (which is the start time of the night zone) on Friday, September 14, the setting for execution from September 15 (Saturday) to September 21 (Friday) is canceled. be able to. In other words, the settings for September 15th to September 21st can be canceled even after the first day, that is, September 15th. However, at this time, if the execution of the solar-powered boiling operation is selected on the day of the first date (here, September 15), that day, that is, the execution day of the solar-powered boiling operation is concerned. After the time when the solar-assisted boiling operation ends, the setting cannot be canceled (in other words, the surplus boiling execution unit 33A cannot accept the setting. The same applies hereinafter). In the illustrated example, the solar-powered boiling operation is started at 11:00 on September 15 (Saturday) as described above (that is, as described above, in this case, two hours later at 13:00, the sunlight is started). Since the use boiling operation is set), it is not possible to cancel the setting of the execution for the "9/15" after 13:00 on Saturday, September 15. After September 16th (Sunday), that is, the setting for the execution from September 16th (Sunday) to September 21st (Friday) can only be canceled.

Then, similarly to the above, after 23:00 on September 15 (Saturday), the setting of execution from September 16 (Sunday) to September 21 (Friday) can be canceled. Then, similarly to the above, after 13:00 on Sunday, September 16th, it becomes impossible to cancel the setting of the execution for the "9/16", and after September 17th (Monday), that is, It is only possible to cancel the setting for the execution period from September 17 (Monday) to September 21 (Friday). After that, the same processing mode is repeated.

<Whether to change the start time of the boiling operation using sunlight>
Further, in the present embodiment, as in the case of the first embodiment, the surplus boiling-up setting unit 33C receives a plurality of days (seven days, which is one week in this example) for the plurality of days received as described above. The batch setting of the start time of the solar-powered boiling operation (operation in solar mode for one week) can be changed by an appropriate operation (detailed description and illustration are omitted) on the remote control device 5 thereafter (= each claim). Function as a means for accepting common changes described in section). FIG. 24D of the time table shown in FIG. 24 shows an example of whether or not the time change operation is possible.

As described above using FIG. 16B and the like, before 23:00 on September 14 (Friday), the day after the operation day, that is, September 15 (Saturday), is the start date, and the operation day is September. It is possible to set the execution/non-execution from the 14th (Friday) to the 21st September (Friday) after one week has passed (when the execution is set, the start time may be set. it can). Correspondingly, as shown in FIG. 24(d), before 23:00, the settings are collectively made from September 15 (Saturday) to September 21 (Friday). The start time can be changed.

After that, after 23:00 on September 14 (Friday), the time can be changed from September 15 (Saturday) to September 21 (Friday). That is, with respect to the setting for September 15th, the time can be changed even after the day of September 15th. However, at this time, the time cannot be changed on that day (here, September 15), that is, after the time when the solar-powered boiling operation is started on the day when the solar-powered boiling operation is performed (= In other words, it is not accepted by the surplus boiling setting unit 33C. The same applies to the following). In the illustrated example, after 11:00 when the solar-powered boiling operation is started on Saturday, September 15th, the start time of the start time of 11:00 on Saturday, September 15th is set for the day. Can no longer be changed, and only the time can be changed from September 16 (Sunday) to September 21 (Friday).

Then, similarly to the above, after 23:00 on September 15 (Saturday), the time can be changed from September 16 (Sunday) to September 21 (Friday). However, after 11:00 on Sunday, September 16th, it is no longer possible to change the start time of 11:00 on Sunday, September 16th, which is the same as the setting on September 17th ( Only the above time change is possible from Monday to September 21 (Friday). After that, the same processing mode is repeated.

<Characteristic 2 of Second Embodiment 2 Standby Screen of Remote Control Device>
Further, similar to the first embodiment, another feature of the present embodiment is a display mode on a standby screen in the screen display unit 60 of the remote control device 50 when performing the solar-powered boiling operation. is there. The details will be described below step by step.

As described above with reference to FIG. 5, etc., the standby screen 60A is displayed on the screen display unit 60 of the remote control device 50 in the standby state. Then, when the execution (and the start time) of the boiling operation using sunlight is set as described above, a different mode of display is performed according to the timing until the execution.

That is, as described above, execution/non-execution of the use of solar light boiling operation is selected for the continuous date (in this example, one week starting from the day after the operation day), and the solar light is used for the continuous date. When execution of the boiling operation is selected, as shown in FIG. 25(a), in the date display portion 171 of the standby screen 60P', the last day of the continuous dates for which execution is selected is Is displayed. In addition, the display on the date display unit 171 is performed until the day before the latest execution date after the execution of the boiling operation using sunlight is set (however, the display timing of the time display unit 172 described later is excluded). , Done. On the standby screen 60P' of FIG. 25(a), as described above, the solar-powered boiling operation starts at 11:00 on each date from September 15 (Saturday) to September 21 (Friday). The display state at 18:00 on Friday, September 14 when the setting is performed is shown. In this setting, since the latest execution date of the boiling operation using sunlight is September 15 (Saturday), the date display unit 171 displays "9" until the execution date of September 14 (Friday). "Up to /21" is displayed.

Further, in the present embodiment, when the date of the last day is set on the date display section 171 (that is, until the day before the latest execution day), the solar power boiling operation is displayed next to the date display section 171. A surplus boiling notice mark MK (sun mark shape, which corresponds to an example of notice display) is displayed to give notice of execution.

When the latest execution date comes after the state shown in FIG. 25(a), the screen display unit 60 displays the standby screen 60Q' of FIG. 25(b). In this standby screen 60Q′, instead of the date display unit 171 in the standby screen 60P′, there is a time display unit 172 representing the start time of the solar light-using boiling operation on the execution day of each solar light-using boiling operation. It is provided. More specifically, the switching of the display from the date display unit 171 to the time display unit 172 is performed not at 0:00 am when the date is switched from the day before the execution date to the execution date, rather than at 0:00 am in the night zone. Is performed at a fourth predetermined time (for example, 1:00, see FIG. 28A described later) which is the later timing.

In the example shown in FIG. 25B, the display state at 1:00 on September 15 (Saturday) is shown, and the above-mentioned September 15 (Saturday) to September 21 (Friday) at 11:00. In accordance with the setting that the solar-powered boiling operation is started, "11:00" is displayed on the time display unit 172. In addition, the display on the time display unit 172 is until the actual use of the solar-assisted boiling operation is started after the execution date of the solar-assisted boiling operation (accurately, after 1:00). In between.

After the state shown in FIG. 25(b), at the start time of the solar-lighting boiling operation on the execution day, the screen display unit 60 displays the standby screen 60R' of FIG. 26(a). In this standby screen 60R', in place of the date display portion 171 and the excess boiling notice mark MK in the standby screen 60Q', "in addition to hot water" indicating that the sunlight-using boiling operation is being executed is displayed. A message display MS (corresponding to an example of execution display) is displayed. It should be noted that this message display MS is carried out while the above-mentioned boiling operation using sunlight is actually being executed (in the example shown, the state at 11:30 on Saturday, September 15 is shown). ..

After the state shown in FIG. 26(a), when the solar-powered boiling operation on the execution day ends, as in FIG. 25(a), as shown in FIG. 26(b), a standby screen 60P″ The date of the last day of the consecutive dates for which execution has been selected is displayed on the date display portion 171. In this example, the display state at 14:00 on Saturday, September 15 is displayed. Similarly, “9/21 until” is displayed on the date display portion 171, and the surplus boiling notice mark MK is displayed.

After the state shown in FIG. 26B, when the latest execution date (in this example, Friday, September 21st) is 1:00, the same as the above, the screen display unit 60 displays the standby state of FIG. A screen 60Q″ is displayed. In this standby screen 60Q″, the time display unit 172 is provided in place of the date display unit 171 in the standby screen 60P″ as described above. In this example, September 16 ( The display state at 1:00 on Sunday is shown, and the setting that the boiling operation using sunlight is started at 11:00 from Saturday, September 15 to Friday, September 21 described above. In response to this, "11:00" is displayed on the time display portion 172 again.

The screen transition of the screen display unit 60 shown in FIG. 25, FIG. 26, and FIG. 27 described above is performed under the control of the display control unit 33B. That is, the display control unit 33B functions as a notice display control unit and an execution display control unit described in each claim.

<Timetable of standby screen display example>
An example of display contents on the standby screens 60P', 60Q', and 60R' described with reference to FIGS. 25, 26, and 27 is shown in FIG. 28(a) of the time table shown in FIG. 28.

In FIG. 28( a ), in this example, the solar-powered boiling operation is performed at 11:00 on each date from September 15 (Saturday) to September 21 (Friday) (by solar mode for one week). The setting to execute the operation is set at 18:00 on Friday, September 14th. As described above, after the execution of the solar-powered boiling operation is set, sunlight is displayed on the date display unit 171 between the day before the latest execution day and before 1:00 of the latest execution day. The date is displayed on the last day of the use boiling operation. As a result, from 20:00 on September 14 (Friday) to before 1:00 on September 15 (Saturday), "until 9/21" is displayed in the date display portion 171 on the standby screen 60P'. At the same time, as described above, the surplus boiling notice mark MK (sun mark shape) is displayed beside it.

After that, as described above, after 1:00 on the most recent execution day, the start time of the latest solar-powered boiling operation is displayed on the time display unit 172, and the solar-powered boiling operation is actually executed. While the message is displayed, the message display MS is displayed. As a result, as shown in the figure, in addition to the surplus boiling notice mark MK (sun mark shape) on the standby screen 60Q′ until 15:00 to 11:00 on Saturday, September 15th, the time “11:00” is displayed on the display unit 172. Then, as described above, after the solar-powered boiling operation starts at 11:00 on Saturday, September 15th, the solar-powered boiling operation ends until 13:00, and then waits. On the screen 60R', the message display MS of "adding hot water" is displayed. Then, after 13:00 on Saturday, September 15th, the date of the last day "until September 21st" in the date display portion 171 of the standby screen 60P' and the surplus boiling notice mark MK (Sun The mark shape is displayed, and is displayed until 1:00 on September 16 (Sunday).

After that, the display switching pattern on September 15 (Saturday) is September 16 (Sunday), September 17 (Monday), September 18 (Tuesday), September 19 (Wednesday), September. It will be repeated on the 20th (Thursday). Then, the date “until September 21” and the surplus boiling notice mark MK on the date display portion 171 of the standby screen after 13:00 on Thursday, September 20 are September 21 (Friday). ) Before 1:00.

After that, until 10:00 to 11:00 on Friday, September 21, in the same manner as above, "11:00" is displayed in the time display section 172 in addition to the surplus boiling notice mark MK on the standby screen. To be done. Then, after the last solar-powered boiling operation is started at 11:00 on Friday, September 21, until 13:00 when the solar-powered boiling operation ends, the "hot water" is displayed on the standby screen. The message display MS "Increasing" is displayed. After that, the date display portion 171, the time display portion 172, and the surplus boiling notice mark MK are not displayed.

In FIG. 28B, similar to FIG. 28A, setting of execution of the solar light boiling operation is performed at 11:00 on each date from Saturday, September 15 to Friday, September 21. The following is an example of the case where the setting of the start time 11:00 is changed to 13:00 at 17:00 on Saturday, September 15 after that.

In this case, it is the same as FIG. 28(a) until the change is made, and the standby screen is displayed before 18:00 on September 14 (Friday) 18:00 to September 15 (Saturday). At 60P', "up to 9/21" is displayed on the date display portion 171, and as described above, the surplus boiling notice mark MK (sun mark shape) is displayed beside it. After that, until 10:00 to 11:00 on Saturday, September 15th, in addition to the surplus boiling notice mark MK (sun mark shape) on the standby screen 60Q′, the time display section 172 displays “11. "00" is displayed. Further, at 11:00 to 13:00 on Saturday, September 15 during the boiling operation using sunlight, the message display MS of "adding hot water" is displayed on the standby screen 60R'.

Then, after the change is made at 17:00 on Saturday, September 15th, in response to the change contents, after 1:00 on Friday, September 21st, which is the final date, On the standby screen, "13:00" is displayed on the time display portion 172 in addition to the surplus boiling notice mark MK (sun mark shape) (see FIG. 28(b)). Then, at 13:00 on Friday, September 21, the above-mentioned setting (reflecting the above-mentioned change) to start executing the solar-powered boiling operation from 13:00 is the above-mentioned step S40 or step S42. As described above, the surplus boil-up execution section 33A and the surplus boil-up setting section 33C receive the control, and based on this setting, the above-described control of step S40 and step S42 and thereafter is executed. In this way, the solar-powered boiling operation is started, and after 13:00, until the 15:00 when the solar-powered boiling operation ends, the message display MS of "adding hot water" is displayed on the standby screen.

Further, although details are omitted, similar to FIG. 28(a), the solar power boiling operation is performed at 11:00 on each date from September 15 (Saturday) to September 21 (Friday). A case will be described in which, after the execution setting is made, the setting of the start time 11:00 is moved forward to 10:00 at 10:00 on September 15 (Saturday).

In this case, similarly to the above, until the change is made, the display form is the same as that of FIG. 28A, and from 18:00 on September 14 (Friday) to September 15 (Saturday) 1:00. Until now, in the standby screen 60P', "until 9/21" is displayed on the date display portion 171 and the surplus boiling notice mark MK (sun mark shape) is displayed next to it as described above. . After that, before 1:00 to 10:00 on September 15 (Saturday), in addition to the surplus boiling notice mark MK (sun mark shape) on the standby screen 60Q′, “11” is displayed on the time display unit 172. "00" is displayed. Then, when the change to be carried up to 10:00 is made at 11:00 on Saturday, September 15th, the advanced start time of 10:00 has already passed corresponding to the change. Therefore, as described above in step S40 and step S42, the setting to reflect the start of the solar-assisted boiling operation from 10:00 (reflecting the changed contents) is the excess boiling execution. The part 33A and the surplus boiling setting part 33C accept the control, and the control is executed based on this setting. That is, in response to the fact that the start time has already passed, the determination in step S320 of FIG. 9 is satisfied, and the surplus boiling-up control unit 40 immediately causes the surplus boiling (using solar light) in step S322. The boiling operation) is started. Thus, after the solar-powered boiling operation is started at 11:00, until the solar-powered boiling operation ends 2 hours later (that is, 13:00), the "hot water" is displayed on the standby screen 60R'. The message display MS "Increasing" is displayed. Since the subsequent steps are the same as those in FIG. 28A, description thereof will be omitted.

<Effects of Second Embodiment>
As described above, according to the present embodiment, the selection of execution/non-execution of the solar-powered boiling operation and the setting of the start time are performed on consecutive days (7 days in the above example) that are a plurality of consecutive days. It is possible to carry out over one continuous week), and for all of the plurality of dates, it is possible to collectively select the execution/non-execution and set the start time of the solar-powered boiling operation. .. As a result, for example, on the desired date (September 14 (Friday) according to the above example) that precedes the execution day of the solar-powered boiling operation, the user can previously select a plurality of days (9 according to the above example). Selection of execution/non-execution of the boiling operation using the sunlight from Saturday (Saturday) to September 21 (Friday) for seven days (see FIG. 21(a), FIG. 21(b), etc.) It is possible to collectively set the start time on the execution date (see FIG. 22B etc.). As a result, the complexity of having to perform execution/non-execution of the boiling operation using sunlight and the setting of the operation start time every day can be eliminated, and the convenience for the user can be improved.

Further, simply, in the case of a configuration in which the execution of the solar light boiling operation is set at the same start time every day, the execution of the solar light boiling operation is performed semipermanently every day unless the user cancels the setting. It will be repeated. In particular, when the user forgets to set the execution of the solar-powered boiling operation, the solar-powered boiling operation may be inadvertently executed for an unintended long period. On the other hand, according to the present embodiment, the solar light use boiling operation is performed when at least a plurality of days (one week in this example) has elapsed after the execution of the solar light use boiling operation is started. Since it is not performed, the inconvenience as described above can be prevented.

Further, particularly in the present embodiment, on a certain date, the selection of whether or not to execute the boiling operation using the sunlight on that day (the present day) is not accepted (see FIG. 24(b)). This has the following significance. That is, as described above, normally, when performing a boiling operation using sunlight, the boiling water amount (corresponding to the night boiling capacity) in the boiling operation performed in the night zone of the day before is By subtracting the amount of boiling water expected in the boiling operation using sunlight (corresponding to the corrected night boiling capacity), it is possible to suppress the electricity charge during night boiling. Therefore, whether or not to perform the boiling operation using sunlight must be determined at least the day before the operation. In the present embodiment, it does not accept the selection of execution/non-execution of the solar power boiling operation for the plurality of days with the current day as the start date, in other words, for the plurality of days with at least the day after the current day as the start date. By accepting only the selection of the above, it is possible to surely suppress the electricity bill by subtracting the boiling water amount.

In addition, in the present embodiment, in particular, on a certain day, execution/non-execution of the solar light boiling operation after the start time of the night zone (after 23:00 in the above example) on that day (the current day) Is not accepted (see FIG. 16B). This has the following significance. That is, as described above, usually, the nighttime zone is a time zone starting from midnight time late on a certain date, changing to the date of the next day at midnight, and then to the early morning of the next day (for example, a power company). It depends on the contents of the contract with 23:00-7:00 in the above example). In the present embodiment, even before midnight, if the start time at which the night zone starts is the execution/non-execution of the solar light boiling operation with the next day as the start date. Do not accept selection. As a result, similarly to the above, it is possible to surely suppress the electricity bill by subtracting the boiling water amount in the boiling operation in the nighttime zone.

Further, particularly in the present embodiment, cancellation (cancellation) for the selection of the execution or the non-execution of the solar light boiling operation common to each date once accepted as described above is collectively performed for each date. Will be accepted. Accordingly, even if the user wants to cancel the selection of execution/non-execution of the boiling operation using sunlight, which is once performed by the user for some reason such as the content of the weather forecast being changed, for example, it can be surely dealt with. As a result, the convenience for the user can be further improved.

Further, in particular, in the present embodiment, on each execution day when the solar light-using boiling operation is received as described above and before the end time of the solar light-using boiling operation (13 in the above example). (Before 0:00), cancellation of the selection of the execution or the non-execution after the execution date is accepted. This has the following significance. That is, as long as the solar utilization boiling operation is finished by the user's selection of the execution, even if the selection of the execution on the day is canceled, if the solar utilization boiling operation is immediately stopped on the control. No problem. According to the present embodiment, by correspondingly allowing the cancellation before the boiling operation using sunlight is completed, it is possible to further improve the convenience for the user.

Further, particularly in the present embodiment, on the execution day on which the solar-assisted boiling operation is executed, after the end time (13:00 in the above example) of the solar-assisted boiling operation, the execution on the execution day is performed. Alternatively, the cancellation for the non-execution selection is not accepted. Thereby, at the timing when the solar-powered boiling operation has already been executed by the user's selection of the execution, it is possible to prevent confusion in control due to cancellation of the selection of the execution on the day. it can.

Further, particularly in the present embodiment, once accepted, the change to the setting of the start time of the solar-assisted boiling operation common to each date is collectively accepted for each date (see FIG. 24(d), etc.). . With this, similarly to the above, it is possible to surely deal with the case where the user wants to change the setting of the start time of the solar-powered boiling operation once performed due to some circumstances such as a change in the content of the weather forecast. . As a result, the convenience for the user can be further improved.

Further, particularly in the present embodiment, on each execution day on which the solar-powered boiling operation is received as described above and before the start time of the solar-powered boiling operation (in the above example, 11 (Before 0:00), the change of the start time after the execution date is accepted. This has the following significance. That is, as long as the solar light boiling operation is not started by the user's selection of the execution, even if the start time of the solar light boiling operation on the day is changed, the control is immediately changed. There is no problem if the solar-powered boiling operation is performed in accordance with the start time. According to the present embodiment, by correspondingly allowing the change before the solar-powered boiling operation is started, it is possible to further improve the convenience for the user.

In addition, particularly in the present embodiment, the start time of the solar-powered boiling operation on the execution day of the solar-powered boiling operation (in the above example, from September 15 (Saturday) to September 21 (Friday)). After 11:00), changes to the start time of the solar-assisted boiling operation cannot be accepted. Thereby, similar to the above, at the timing when the solar-powered boiling operation is already started by the setting of the start time by the user, it is possible to prevent confusion in control due to the change of the start time. can do.

Further, particularly in the present embodiment, as described above, at the reception time earlier than the start time of each execution day of the solar light boiling operation, the start time of the solar light boiling operation from the reception time. When a change to accelerate is accepted, the solar-powered boiling operation is immediately started. With this, unlike the initial intention of the user, in response to the new intention to start the solar-powered boiling operation at a timing earlier than the current time, the solar-powered boiling operation is started as quickly as possible. be able to.

Further, particularly in the present embodiment, in the message of the message display unit 165 such as the setting screens 60E′, 60F′, 60G′ of the screen display unit 60, a plurality of days (operation example) from a predetermined display date (operation example) are used. The final date after 7 days has elapsed is displayed, and the execution/non-execution of the boiling operation using sunlight is collectively accepted for all dates up to the final date (FIGS. 21A and 21). (B), FIG. 22 (a) etc.). This allows the user to collectively select whether or not to perform the solar-assisted boiling operation while viewing the displayed dates of the last days for a plurality of days, for each date. As a result, the selection can be performed by an easy-to-understand and simple operation, and the convenience for the user can be improved. In addition, the user can select whether the execution of the solar-assisted boiling operation is selected in common for each date corresponding to the plurality of days, how many days have already been selected, and the like. Easy to check. As a result, the user can determine whether or not it is necessary to change the selection according to a change in the weather forecast, and can appropriately change the selection as necessary.

In addition, particularly in the present embodiment, in the message of the message display unit 165, before the start time of the nighttime zone (23:00 in the above example), the final time after the plurality of days has elapsed from the display date. A date is displayed, and after the start time of the night zone, the final date after the lapse of the plurality of days from the next day of the desired day is displayed. This has the following significance.

That is, as described above, normally, the nighttime zone is the time zone that starts from the late-night time on a certain date, changes to the next day's date at midnight, and continues until the early morning of the next day (for example, with a power company). Depends on the contract). Then, the mode of the boiling operation in the night zone changes depending on whether or not to execute the sunlight-using boiling operation on the next day (when performing the sunlight-using boiling operation on the next day, In order to subtract the amount of boiling water in the boiling operation performed in the nighttime zone by the amount of boiling water expected in the boiling operation using sunlight). Therefore, the boundary of the display switching when displaying the final date in the message of the message display unit 165 is not the midnight according to the calendar, but the start time of the night zone earlier than that. This is convenient because it is easy to match the above circumstances. Correspondingly, according to the present embodiment, before the start time of the nighttime zone (for example, 23:00), the final date after the number of days (7 days in the above example) has elapsed from that day. On the other hand, after the start time of the night zone, the final date after the lapse of the number of days (7 days in the above example) from the next day of the day is displayed. As a result, the above-mentioned matching can be achieved, and the display contents can be made easy for the user to understand and use.

Further, particularly in the present embodiment, in the setting screen 60H′, similarly to the first embodiment, from the second predetermined time (7:00 in the above example) after the end time of the nighttime zone to the first predetermined time. In the time range up to the earlier third predetermined time (15:00 in the above example), a plurality of start time candidates (“7:00” in the above example) that can be set as the start time of the solar-powered boiling operation. “8 o'clock” “9 o'clock” “10 o'clock” “11 o'clock” “12 o'clock” “13 o'clock” “14:00” “15:00”) are sequentially displayed in a visually recognizable manner, and any one of them is displayed by the user. The selection is accepted. This has the following significance.

That is, as described above, since solar power generation is not performed at least in the night zone, the start time when the solar-powered boiling operation is performed is after the end time of the night zone. Even if the sunlight irradiation is sufficient for power generation during the daytime, it gradually decreases toward the evening, and at a certain time (for example, 17:00), it is insufficient for power generation. Become. Therefore, after the time (first predetermined time) corresponding thereto, solar power generation on that day is impossible, so the start time is before the first predetermined time. In detail, considering the time required for the solar-powered boiling operation (2 hours in the above example), the start time is set after the time advanced from the first predetermined time by the time required. But it doesn't make sense. Therefore, in the present embodiment, similarly to the above, from the second predetermined time (7:00 in the above example) after the end time of the nighttime zone to the third predetermined time (15 in the above example) earlier than the first predetermined time. The plurality of start time candidates are displayed in the time range up to (0:00) (7:00 to 15:00 in the above example). It is sufficient for the user to appropriately select the start time from the plurality of candidates, so that it is easy to understand with a simple operation and the convenience can be further improved.

Further, particularly in the present embodiment, as in the first embodiment, at the third predetermined time (15:00 in the above example), the time deviation up to the first predetermined time is the solar-assisted boiling operation. It is set so as to be a required time (2 hours in the above example) or more. This ensures that the time difference between the third predetermined time and the first predetermined time is at least as long as the time required for the boiling operation using sunlight (2 hours in the above example) or more. It is possible to reliably avoid a meaningless display and make the display content easy for the user to understand and use.

Further, particularly in the present embodiment, when execution of the solar-powered boiling operation is selected, the continuous dates on which the solar-powered boiling operation is executed are displayed on the standby screens 60P′, 60P″ and the like. Until the day before the last day, the surplus boiling notice mark MK for notifying the execution of the solar-powered boiling operation and the date display portion 171 representing the date of the last day (in the above example, "9/21 Up to)) is displayed. Accordingly, the user can reliably visually confirm that the execution of the solar-assisted boiling operation has been selected and how long the solar-assisted boiling operation will be executed. In addition, since the last day of multiple days in which the latest solar power boiling operation is executed can be easily confirmed, the user needs to appropriately change the execution/non-execution selection according to changes in the weather forecast. Whether or not it can be determined until the last day, and the selection and the like can be appropriately changed as necessary.

In addition, particularly in the present embodiment, on each of the consecutive dates, before the execution start time of the solar light boiling operation, the standby screens 60Q′, 60Q″, etc. are set to the date of the last day. Instead, the time display unit 172 (“11:00” in the above example) indicating the start time of the boiling operation using sunlight is displayed. Accordingly, the user can reliably visually recognize the day when the solar-assisted boiling operation is performed and what time of the day the solar-assisted boiling operation starts. In addition, since the start time of the solar-powered boiling operation can be easily confirmed on the day when the solar-powered boiling operation is executed, the user can further confirm the start time of the solar-powered boiling operation according to the change in the weather forecast for each time zone of the day. Whether or not it is necessary to change the selection of execution/non-execution and the setting of the start time can be determined to the last minute, and the selection change or the start time can be appropriately changed as necessary.

Further, particularly in the present embodiment, switching from the date display portion 171 of the standby screen 60P′ to the time display portion 172 of the standby screen 60Q′ is performed at the fourth predetermined time later than midnight in the night zone (the above example). Then at 1:00). This has the following significance.

That is, as described above, the setting of the night zone may vary depending on the contents of the contract with the electric power company. There may be cases where the boundaries do not match well. Therefore, in the present embodiment, by switching from the date display section 171 to the time display section 172 display at the fourth predetermined time (1:00 in the above example) later than midnight, the above-mentioned adverse effect is caused. Can be prevented in advance.

Further, particularly in the present embodiment, while the boiling operation using sunlight is being executed, the message display MS of "adding hot water" indicating that it is being executed is displayed on the standby screen 60R'. As a result, similarly to the above, it is possible to reliably inform the user that the solar-powered boiling operation is currently being executed. In addition, it is also possible to make the user surely recognize that the start time of the boiling operation using the sunlight on that day cannot be changed.

Further, particularly in the present embodiment, the consecutive dates are set to seven consecutive dates (in the above example, September 15 (Saturday), September 16 (Sunday), September 17 (Monday), and 9). 18th (Tuesday), 19th (Wednesday), 20th (Thursday) and 21st (Friday) of September. This has the following significance.

Generally, in the weather forecast, when forecasting the weather on a plurality of consecutive dates in a lump, it is often announced in the form of a weekly weather forecast in units of one week. In the present embodiment, corresponding to this, the consecutive dates are set as seven consecutive dates. That is, the selection of the execution/non-execution of the solar-powered boiling operation and the setting of the start time of the solar-powered boiling operation are common only for seven days starting from the next day of the desired day. To be able to do it all at once. In this way, it is possible to eliminate the selection and the setting for a long period (for example, 20 days, 30 days, etc.) that does not make much sense in view of the above circumstances, and provide an easy-to-use device configuration that matches the actual situation.

A third embodiment of the present invention will be described with reference to FIGS. In this embodiment, the "solar mode" in the first embodiment and the "solar mode for one week" in the second embodiment can be switched to each other, and the "solar mode" and "solar mode 1" can be switched. This is an embodiment in a case where after the setting is performed in one mode of “weekly”, the setting is changed to the other mode by an additional operation. The same parts as those in the first and second embodiments are designated by the same reference numerals, and the description will be omitted or simplified as appropriate.

The functional configuration of the control device 31 in this embodiment is the same as that shown in FIG. Also in this embodiment, as described above with reference to FIG. 5, the screen display unit 60 of the remote control device 50 is always in the standby state and the standby screen 60A is displayed. In this embodiment, by operating the “menu/decision” switch 75 from this state, the display of the screen display unit 60 shifts to a main menu screen (not shown), and further, the “menu/decision” switch 75 and the like are displayed. By performing an appropriate operation, the setting screen 60J' shown in FIG. 29 is displayed.

The setting screen 60B' has an operation mode display section 161 and a message display section 162. On the operation mode display unit 161, the "operation mode", the "solar mode", and the "solar mode for one week" are displayed in a selectable manner. From the state shown in FIG. 29, the user operates the cross key 74 downward to move the cursor K in the screen downward by one step, and by performing the above-described operation, the first embodiment is performed. As described above, the solar mode can be selected, and the various settings and selections in the solar mode can be performed (detailed description is omitted). Similarly, from the state shown in FIG. 29, the user operates the cross key 74 downward twice to move the cursor K in the screen downward by two steps, and by performing the above-mentioned operation, As described in the second embodiment, the solar mode for one week can be selected, and the various settings and selections for the solar mode for one week can be performed (detailed description is omitted).

In the present embodiment, as described above, the execution/non-execution setting and the start time setting for the solar mode for one week are performed by an appropriate operation (detailed description and illustration are omitted) on the remote control device 5 thereafter. It is possible to change the setting of the execution/non-execution and the start time in the solar mode (the reverse is also possible, see FIG. 31 described later). An example of the changing operation and the display behavior on the standby screen that accompanies the changing operation is shown in the time table shown in FIG.

In FIG. 30, in this example, in the same manner as described above, the solar-powered boiling operation (operation in solar mode for one week) at 11:00 on each date from September 15 (Saturday) to September 21 (Friday). The setting to execute is set at 18:00 on Friday, September 14th. After that, as in the case of FIG. 28A, “9/” in the date display portion 171 of the standby screen is displayed before 0:00 on September 14 (Friday) to 0:00 on September 15 (Saturday). 21” and the surplus boiling notice mark MK are displayed, and in addition to the surplus boiling notice mark MK until 10:00 to 11:00 on Saturday, September 15, in addition to the surplus boiling notice mark MK, the time display unit 172 displays “ 11:00” is displayed. Then, during the boiling operation using sunlight on Saturday, September 15 from 11:00 to 13:00, the message display MS of "adding hot water" is displayed, and it is displayed on Saturday, September 15 at 13 After 0:00, "up to 9/21" of the date display portion 171 and the surplus boiling notice mark MK are displayed in the same manner as described above.

In this display state, in this example, at 17:00 on September 15 (Saturday), the switching operation from the solar mode for one week to the solar mode is performed, and at the same time on September 16 (Sunday) at 13: The setting is performed so that the solar-powered boiling operation is started at 00, and the solar-powered boiling operation is started at 14:00 on Monday, September 17. Corresponding to this change, "9/16" is displayed in the date display area 171 of the standby screen from 17:00 on September 15 (Saturday) to before 1:00 on September 16 (Sunday). At the same time, the surplus boiling notice mark MK (sun mark shape) is displayed beside it as described above.

After that, in response to the changes, the time display is added to the surplus boiling notice mark MK (sun mark shape) on the standby screen until 10:00 to 13:00 on Sunday, September 16th. In the section 172, “13:00” is displayed. Then, after the solar-powered boiling operation starts at 13:00 on Sunday, September 16th, until 15:00 when the solar-powered boiling operation ends, the " The message display MS of "adding hot water" is displayed.

Then, after 15:00 on September 16 (Sunday), "9/17" in the date display portion 171 of the standby screen and the surplus boiling notice mark MK are displayed in the same manner as above, and September 17 (Monday) ) Is displayed before 1:00. Then, after 1:00 on September 17 (Monday), "14:00" and the surplus boiling notice mark MK (sun mark shape) in the time display portion 172 of the standby screen are displayed as described above. After that, during the period from 14:00 to 16:00 on Monday, September 17, the message display MS of "adding hot water" is displayed on the standby screen.

Further, in the present embodiment, the setting of the execution/non-execution and the setting of the start time in the solar mode are performed by an appropriate operation (detailed description and illustration are omitted) in the remote control device 5 thereafter. The execution/non-execution setting and the start time setting can be changed depending on the week. An example of the change operation and the display behavior on the standby screen that accompanies the change operation is shown in the time table shown in FIG.

In FIG. 31, in this example, the solar-powered boiling operation is started at 11:00 on September 15 (Saturday), and the solar-powered boiling operation is started at 14:00 on Sunday, September 16. The setting to start the upper operation is made at 18:00 on Friday, September 14th. After that, as in the case of FIG. 28A, “9/” on the date display portion 171 of the standby screen is displayed from 18:00 on September 14 (Friday) to 1:00 on September 15 (Saturday) before 1:00. 15” and the surplus boiling notice mark MK are displayed, and in addition to the surplus boiling notice mark MK until 11:00 to 11:00 on Saturday, September 15, the time display section 172 displays “11”. "00" is displayed. Then, during the boiling operation using sunlight on Saturday, September 15th from 11:00 to 13:00, the message display MS of "adding hot water" is displayed, and it is displayed on Saturday, September 15th at 13th. After 0:00, "9/16" of the date display portion 171 and the surplus boiling notice mark MK are displayed as described above.

In this display state, in this example, the switching operation from the solar mode to the solar mode for one week is performed at 18:00 on September 15 (Saturday), and from September 16 (Sunday) to September. The setting for performing the above-described solar-powered boiling operation (operation in solar mode for one week) is performed at 11:00 on each day of the 22nd (Saturday). Corresponding to this change, "Until 9/22" is displayed on the date display part 171 of the standby screen from 18:00 on Saturday, September 15 to 1:00 on September 16 (Sunday). In addition to being displayed, the surplus boiling notice mark MK (in the shape of the sun mark) is displayed beside it as described above.

After that, in response to the change content, in addition to the surplus boiling notice mark MK (sun mark shape) on the standby screen until 10:00 to 11:00 on Sunday, September 16th, time display In the section 172, “11:00” is displayed. Then, after the solar-powered boiling operation is started at 11:00 on Sunday, September 16th, until 13:00 when the solar-powered boiling operation ends, the " The message display MS of "adding hot water" is displayed.

Thereafter, after 13:00 on September 16 (Sunday), "until 9/22" and the surplus boiling notice mark MK in the date display portion 171 of the standby screen are displayed in the same manner as above, and September 17 ( This display is displayed before 1:00 (Monday). Then, after 17:00 on Monday, September 17, "11:00" in the time display portion 172 of the standby screen and the surplus boiling notice mark MK (sun mark shape) are displayed as described above. After that, during the period from 11:00 to 13:00 on Monday, September 17, the message display MS of "adding hot water" is displayed on the standby screen. Thereafter, the display is performed in the same switching mode until September 18 (Tuesday), September 19 (Wednesday), September 20 (Thursday), and September 21 (Friday).

Then, after 12:00 on Saturday, September 22, "11:00" and the surplus boiling notice mark MK (sun mark shape) are displayed on the time display portion 172 of the standby screen in the same manner as above. From 11:00 to 13:00 on the 22nd (Saturday) of the month, the message display MS of "adding hot water" is displayed on the standby screen. After that, the date display portion 171, the time display portion 172, and the surplus boiling notice mark MK are not displayed.

It should be noted that the present invention is not limited to the above-described embodiment, and is applicable within a range not changing the gist thereof. For example, instead of the heat pump device 19, an electric heater type heating means may be used. is there.
For example, when the above setting is completed, the total expected power generation amount for a plurality of days (two days in this example) (an approximate estimated value obtained by a known method) is displayed on the setting screen 60M of FIG. You may do it. Alternatively, the same display may be made on the standby screens 60P to 60R shown in FIGS. Similarly, when the above setting is completed, the total expected power generation amount for a plurality of days (for seven consecutive days in this example) (an approximate predicted value obtained by a known method) is displayed on the setting screen 60I′ in FIG. It may be done. Alternatively, the same display may be performed on the standby screens 60P'-60R', 60P"-60Q" in FIGS.
In addition, two consecutive days such as “9/15 (Sat), 9/16 (Sun)” on the setting screen 60D of FIG. 11 and the like are not displayed in advance from the remote control device 50 side, but arbitrary consecutive Two days may be designated by a user input on a calendar screen prepared in advance (an appropriate input method other than the calendar screen may be used). Similarly, in the setting screen 60E' of FIG. 21(a) or the like, instead of displaying "until 9/21 (Friday)" as the final date, arbitrary consecutive 7 days are displayed on a calendar screen prepared in advance. It may be specified by user input (an appropriate input method other than the calendar screen may be used).
Further, at that time, the designated number of days on the calendar screen (or the other input method) is arbitrarily inputtable by the user, and when two consecutive days are designated, the "solar mode" is designated, and when seven consecutive days are designated. Automatically switches to the "solar mode for one week", and when switching to the "solar mode", the execution/non-execution of the solar light boiling operation and the start time are individually performed for the two days as described above. It becomes possible to set, and if it is switched to the "solar mode for one week", it is possible to set the execution/non-execution of the solar light boiling operation and the start time collectively for the 7 days as described above. May be. In that case, the threshold for the above-mentioned division may be "2 days" such as "2 days or less" or "more than 2 days (that is, 3 days or more)" as described above. However, the number of days may be larger than 2 days. Further, the number of days set collectively is not limited to 7 days as in the "solar mode for one week", but may be set to any other number of days, 2 to 6 days, or 8 days or more.
In all the modified examples described above, the same effect as that of the first embodiment or the second embodiment can be obtained.

Further, in the above, the arrows shown in each drawing such as FIG. 4 indicate an example of the signal flow, and do not limit the signal flow direction.

Further, the flow charts shown in FIGS. 6 to 9 are not intended to limit the present invention to the procedure shown in the above flow, and addition/deletion of the procedure or change of the order within a range not departing from the spirit and technical idea of the invention. You may

1 Hot Water Storage Water Heater 3 Solar Power Generation Device 10 Hot Water Storage Tank 19 Heat Pump Device (Heating Means)
33A surplus boiling execution unit (common selection reception means, common cancellation reception means)
33B Display control unit (final display control means, time display control means, notice display control means, execution display control means)
33C surplus boiling setting section (common setting receiving means, common change receiving means)
40 Surplus boiling control unit (heating control means)
50 remote control device 60 screen display unit (display means)
60B-M setting screen 60B'-I' setting screen 60A, P-R standby screen 60P'-R' standby screen 60P", Q" standby screen

Claims (19)

A hot water storage tank for storing hot water, comprising a heating means for heating the hot water, wherein the heating means performs a boiling operation for heating hot water in the hot water storage tank,
On the desired day, solar power boiling operation using electric power from the solar power generation device in the daytime zone excluding the predetermined night zone of each predetermined consecutive period for a plurality of consecutive days starting from the day after the desired day Common selection receiving means that collectively receives the selection of execution/non-execution of
When the execution of the solar light use boiling operation on each of the continuous dates is selected by the common selection reception means, the start time of the solar light use boiling operation on each of the continuous date is set to be common to each date. Common setting acceptance means that accepts all at once
The solar light use boiling operation is performed according to the selection of the execution of the solar light use boiling operation received by the common selection reception means and the setting of the start time received by the common setting reception means. A heating control means for controlling the heating means so that
A hot water storage type hot water supply device having: Display means for performing a desired display,
A final display control means for controlling the display means so as to display a final date after a lapse of a plurality of days from a predetermined display date,
Further has
The common selection receiving means,
Under the control of the final display control means, the selection of execution/non-execution for each of the due dates for the plurality of days until the final date displayed on the display means is collectively accepted for each due date. The hot water storage type water heater according to claim 1. The final display control means,
Before the start time of the night zone of the desired day, the final date after the plurality of days has elapsed from the display day is displayed, and after the start time of the night zone of the desired day, the display day is displayed. 3. The hot water storage type water heater according to claim 2, wherein the display means is controlled so as to display the final date after the lapse of the plurality of days from the next day. In a time range from a second predetermined time after the end time of the nighttime zone to a third predetermined time which is earlier than the first predetermined time when it is assumed that the power generation by the solar power generation device falls from a sufficient state to an insufficient state. , So as to display a plurality of start time candidates that can be set as the start time of the solar light boiling operation, further comprising time display control means for controlling the display means,
The common setting reception means,
Accepting collectively the setting of the start time by selecting one of the plurality of start time candidates displayed on the display means under the control of the time display control means for each due date The hot water storage type water heater according to claim 3. The third predetermined time is
The hot water storage water heater according to claim 4, wherein the time deviation up to the first predetermined time is set to be equal to or longer than a time required for the boiling operation using sunlight. Display means for performing a desired display,
When the selection of the execution in the continuous period by the common selection reception means is received, until the day before the last day of the continuous period, a notice display for notifying the execution of the solar light boiling operation, The hot water storage water heater according to any one of claims 1 to 5, further comprising advance notice display control means for controlling the display means so as to display the date of the last day. .. The notice display control means,
On each of the consecutive dates, before the execution start time of the solar light boiling operation, instead of the date of the last day, to display the start time of the solar light boiling operation. The hot water storage water heater according to claim 6, wherein the display means is controlled. The notice display control means,
8. The hot water storage water heater according to claim 7, wherein the display of the date on the display unit is switched to the display of the start time at a fourth predetermined time later than midnight in the nighttime zone. An execution display for controlling the display means so as to display an execution display indicating that the solar light use boiling operation is being executed while the solar light use boiling operation is being executed on the execution day. 9. The hot water storage type water heater according to claim 6, further comprising a control means. The common selection receiving means,
10. On the desired day, selection of execution/non-execution of the solar-lighting boiling operation with the desired day as the starting day is not accepted, and any one of claims 1 to 9 is characterized. Hot water storage type water heater. The common selection receiving means,
After the start time of the night zone of the desired day, the selection of execution/non-execution of the solar light boiling operation with the next day as the starting day is not accepted, and the day after the second day after the desired day is the starting day. The hot water storage water heater according to any one of claims 1 to 10, wherein selection of execution/non-execution of the sunlight-using boiling operation is performed. The common selection receiving unit further includes a common cancellation receiving unit that collectively receives the cancellation of the selection of the execution or the non-execution of the solar-powered boiling operation common to each date, which is common to each date. The hot water storage type water heater according to any one of claims 1 to 11, which is characterized in that. The common cancellation acceptance means is
On the execution day on which the sunlight use boiling operation is executed based on the selection of the execution accepted by the common selection acceptance means, before the end time of the sunlight use boiling operation, the execution for the execution date and thereafter. 13. The hot water storage water heater according to claim 12, wherein the cancellation for the non-execution selection is accepted. The common cancellation acceptance means is
On the execution day when the solar light boiling operation is executed based on the selection of the execution received by the common selection reception means, after the end time of the solar light boiling operation, the selection of the execution for the execution date 14. The hot water storage water heater according to claim 12 or 13, wherein the cancellation for the selection of the execution for the day after the execution day is not accepted, and the cancellation for the execution day after the execution day is not accepted. It further comprises a common change receiving means for collectively accepting a change to the setting of the start time of the solar-powered boiling operation common to each of the dates, which is accepted by the common setting acceptance means, in common for each date. The hot water storage type water heater according to any one of claims 1 to 14. The common change receiving means is
On the execution day when the solar light boiling operation is executed based on the selection of the execution received by the common selection reception means, before the start time of the solar light boiling operation, the start for the execution date and later. The hot water storage water heater according to claim 15, wherein the change with respect to the time is accepted. The common change receiving means is
On the execution day when the solar light boiling operation is executed based on the selection of the execution received by the common selection receiving means, after the start time of the solar light boiling operation, the start time for the execution date 17. The hot water storage water heater according to claim 15 or 16, wherein the change is not accepted, and the change to the start time for the day after the execution day is accepted. The heating control means,
The common change receiving means, the execution day, at the reception time earlier than the start time of the solar light boiling operation, when receiving a change to make the start time earlier than the reception time on the execution day, The hot water storage type water heater according to claim 17, wherein the heating means is controlled so as to start the boiling operation using sunlight. The consecutive dates are
The hot water storage type water heater according to any one of claims 1 to 18, wherein the hot water storage device comprises seven consecutive dates for one week.

Images