JP3632664B2 - Electric water heater - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electric water heater designed to reduce power consumption.
[0002]
[Prior art]
In a conventional electric water heater, a method such as a “sleep timer” is generally used as a method for reducing the electric power for keeping the liquid warm when not in use at night. The rest timer will be described below with reference to FIG.
[0003]
In the figure, 21 is a container, 22 is a heating means for heating and keeping the liquid in the container 21, 23 is a temperature detecting means for detecting the temperature of the liquid in the container 21, and 24 is a discharge means 25 for discharging the liquid in the container 21. Discharge control means for controlling The discharge means 25 is composed of a water conduit 25a for sending out a liquid, a pump 25b in the water conduit, and a motor 25c for driving the pump. 27 is a heating control means for controlling the heating means 22 based on the temperature detected by the temperature detecting means 23, and 28 is a timer setting means for setting a timer operation for stopping the heating and heat retaining operations for a predetermined time.
[0004]
In the above configuration, when the temperature of the liquid in the container 21 is high, the heating means 22 performs a heat retaining operation. At this time, when the timer operation is set by the timer setting means 28, the heat retaining operation is stopped. And when predetermined time (generally about 6 hours) passes, it will heat with the heating means 22 and will boil the liquid in the container 21. FIG. Thus, for example, when the timer operation is started before going to bed at night, the heat-retention power during sleep is reduced by stopping the heat-retention operation, and furthermore, the hot water is boiled in the morning and can be used. It was.
[0005]
[Problems to be solved by the invention]
However, in the conventional configuration, in order to reduce power consumption, the user has to perform a timer setting operation each time.
[0006]
The present invention solves the above-described conventional problems, and aims to reduce power consumption and improve user-friendliness without a user performing a setting operation.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the electric water heater of the present invention is provided with a life learning means, memorizes the usage pattern of the user, constructs a basic pattern, performs heat insulation control based on the basic pattern, and heat switch When a command is input to the heater, water heating is performed with priority given to the command of the heating switch.
[0008]
As a result, the heat retention temperature can be lowered during periods of non-usage, reducing power consumption without requiring cumbersome operations by the user. Water heater can be used, improving usability.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 stores a container for storing liquid, heating means for heating the liquid in the container, and a usage pattern for a predetermined period for each unit time zone, and constructs a basic pattern from the stored values. And a life learning means for operating the heating means based on the basic pattern, and a heating switch for forcibly heating the liquid in the container. When the heating switch is pressed, priority is given. Heating When the heating switch is pushed and the water heater is finished, the temperature is kept at a high temperature for the first predetermined time, and then the heating means is operated based on the basic pattern. By using an electric water heater, heat and heat control is performed by means of life learning according to the usage pattern of the user, and the user is required to perform troublesome operations by lowering the heat holding temperature during times when the user does not normally use it. Power consumption can be reduced, and even when it is not normally used, when a command is input to the heating switch, the heating operation is prioritized to improve user convenience. Can do.
[0010]
further In spite of performing the heating operation as intended by the user, it is possible to prevent the hot water temperature from being lowered when the user uses the hot water after boiling, and to further improve the usability.
[0011]
Claim 2 In the invention described in claim 1, the first predetermined time is until the time zone to which the place where the kettle is finished belongs. 1 By using the electric water heater described in 1., it is possible to synchronize with the time zone controlled by the life learning means, and it is not necessary to provide a predetermined time separately, and the program can be simplified.
[0012]
Claim 3 In the invention described in claim 1, the first predetermined time is until a time zone next to a time zone to which the place where the kettle is finished belongs. 1 By the electric water heater according to claim 1, 2 In addition to obtaining the same effect as the invention described in 1., the hot water is kept at a high temperature for at least one time period to prevent the user from lowering the hot water temperature when using the hot water. Can be improved.
[0013]
Claim 4 The standby operation setting means for inputting a command for performing a standby operation, and when receiving an input to the standby operation setting means, the standby operation is started, and after the standby operation setting time is over, The temperature is kept at a high temperature for a predetermined time, and then the heating means is operated based on the basic pattern. 3 By using the electric water heater according to any one of the above, power consumption can be reduced without requiring a cumbersome operation by the user, and when a standby operation setting command is input, it has priority. By performing the standby operation, user convenience can be improved.
[0014]
Claim 5 The invention described in (1) has a standby operation setting means for inputting a command for performing a standby operation. When an input to the standby operation setting means is received, the standby operation is started, and once the standby operation setting time is over, the boiling operation is started. After that, the temperature is kept at a high temperature for a second predetermined time, and then the heating means is operated based on the basic pattern. 3 By using the electric water heater according to any one of the above, it is possible to reduce power consumption without requiring a cumbersome operation by the user, and further, a liquid that has not been heated or kept warm during the standby operation. Can be boiled and the boiled liquid can be discharged, and the hygiene aspect when the user discharges and uses the liquid can be improved.
[0015]
Claim 6 According to the invention described in claim 2, the second predetermined time is until a time zone to which the place where the kettle is finished belongs. 4 Or 5 By using the electric water heater described in 1., it is possible to synchronize with the time zone controlled by the life learning means, and it is not necessary to provide a predetermined time separately, and the program can be simplified.
[0016]
Claim 7 In the invention described in claim 2, the second predetermined time is until a time zone next to a time zone to which the place where the kettle is finished belongs. 4 Or 5 By the electric water heater according to claim 1, 6 In addition to obtaining the same effect as the invention described in 1., the hot water is kept at a high temperature for at least one time period to prevent the user from lowering the hot water temperature when using the hot water. Can be improved.
[0017]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0018]
(Example 1)
FIG. 1 shows the configuration of an electric water heater in Embodiment 1 of the present invention.
[0019]
In the figure, reference numeral 1 denotes a cylindrical container for containing a liquid. Reference numeral 2 denotes a heating means for heating or keeping the temperature of the liquid in contact with the container 1 and is usually composed of two or more heaters for heating and keeping warm. Reference numeral 3 denotes a temperature detection means that is in contact with the container 1 and is composed of a thermistor or the like. Reference numeral 4 denotes discharge control means for driving the discharge means 5 to discharge the liquid in the container 1 to the outside. The discharge means 5 is composed of a water conduit 5a that sends liquid from the container 1 to the outside, a pump 5b in the water conduit, and a motor 5c that drives the pump. An operation unit 6 controls and operates the electric water heater. Reference numeral 7 denotes a heating control means for controlling on / off of the heating means 2 by controlling energization to the heating means 2 and is generally constituted by a relay, a triac, or the like.
[0020]
Here, the temperature detected by the temperature detecting means 3 is transmitted to the heating control means 7, and when the temperature becomes lower than about 90 ° C., for example, the heating control means 7 controls the heating means 2 for heating, Heat. When the temperature gradient detected by the temperature detecting means 3 becomes almost flat, it is considered that the liquid in the container 1 has boiled, the heating by the heating means 2 is finished, and the heat control by the heat control heater is started by the heating control means 7. . Then, heat retention control is performed so that the temperature of the liquid is stabilized at, for example, about 98 ° C.
[0021]
And 31 is a life learning means, memorize | stores the usage pattern in a user's predetermined period for every unit time slot | zone, builds a basic pattern from the memorize | stored value, and uses the heating control means 7 based on the basic pattern. The operation of the heating means 2 is controlled. Reference numeral 32 denotes a heating switch for forcibly heating the liquid in the container 1, which is operated when the user wants to heat the liquid in the container 1. When the heating switch 32 is pressed, the life learning means 31 controls the heating control means 7 to perform the heating operation until the liquid in the container 1 boils.
[0022]
FIG. 2 shows the circuit configuration of the electric water heater of this embodiment.
[0023]
The heating means 2 includes a first heating element 2a that heats the liquid in the container 1 and a second heating element 2b that heats and keeps the liquid in the container 1 having a smaller calorific value than the first heating element. ing.
[0024]
Further, the temperature detecting means 3 creates a divided voltage value with the thermistor 3a for converting the temperature into a resistance value and the voltage dividing resistor 3b. Here, in order to absorb fluctuations in the detection of the thermistor 3a due to the convection of the liquid in the container 1 or the bursting of bubbles that are likely to occur before the liquid boils, and electrical external noise, the charging / discharging resistor 3d And the electrolytic capacitor 3e, and the output of these ports is changed according to the timing of detecting the temperature by a microcomputer 15 (hereinafter abbreviated as “microcomputer”), and the change in the detected temperature is detected stably and accurately. can do. Thus, the A / D converter 3c converts the divided voltage value from which electrical external noise and fluctuation of the detection of the thermistor 3a are removed as much as possible to a binary code. The A / D converter 3c sets the range of about 10 to 130 ° C. in increments of unit temperature width (about 0.5 ° C. in this embodiment), and outputs the temperature in binary code. Then, the time required for this binary code to change by 1 bit is detected. For example, if it takes more than the first required time (12 seconds in this embodiment), the liquid in the container 1 will be discharged. Assuming that the temperature rise has almost leveled off because of the boiling state, the heating control means 7 switches from heating control to heat insulation control, and for example, the time required for the change is the second required time (0 in this embodiment). .5 seconds), it is determined that the temperature has risen sharply because the amount of liquid in the container 1 is insufficient, and the heating control means 7 To stop heating.
[0025]
In the figure, the discharge control means 4 includes a switch 4a, a first transistor 4b controlled by turning on / off the switch 4a, a resistor 4c connected in series to the first transistor 4b, and a first controlled by an microcomputer 15. The second transistor 4d and the lock release switch 4e that determines the output of the microcomputer 15 are included. When the lock release switch 4e is turned on, the microcomputer 15 first determines the state of the switch 4a at that time based on the potential of the port of the microcomputer 15 connected to the switch 4a. If this potential is “L”, the switch 4b is in an on state. Therefore, if the second transistor 4d is turned on, it is dangerous because immediate discharge is performed, and the input of the unlock switch 4e is invalidated. To. When the potential is “H”, the switch 4a is in an off state, and even if the second transistor 4d is turned on, the discharge is not performed immediately. Therefore, the output of the microcomputer 15 is changed from “H” (open in this embodiment) to “ Then, the second transistor 4d is turned on (this state is hereinafter referred to as an unlocked state). When the first switch 4a is turned on in the unlocked state, the first transistor 4b is turned on, a voltage divided by the resistance 4c is applied to the motor 5c, and the motor 5c is maintained while the first switch 4a is turned on. Current flows, and the liquid in the container 1 is discharged. Further, in order to prevent the unlocking state from continuing even after the end of discharge, the third predetermined time (in this embodiment, 10 seconds) that the potential of the switch 4e is in the “H” state in the unlocking state. When the operation is continued, the output of the microcomputer 15 is set to “H”, the second transistor 4d is turned off, and the unlocked state is released. The discharge means 5 is constituted by a motor 5c in the circuit diagram.
[0026]
The heating control means 7 is composed of relay contacts 7a and 7b connected in series with the heating means 2 and relay coils 7c and 7d for controlling the relay contacts 7a and 7b. The relay contact is closed. Reference numeral 12 denotes an AC power source.
[0027]
Here, the microcomputer 15 corresponds to the life learning means 31 in FIG. The operation of the microcomputer 15 related to life learning will be described later.
[0028]
FIG. 3A shows life learning accumulated data according to the present embodiment, and FIG. 3B shows a learning operation based on the accumulated data in FIG.
[0029]
The microcomputer 15 divides 24 hours into unit time zones (20 minutes in the present embodiment), and configures 24 hours into 72 time zones. When it is detected that the switch 4a is pressed and the discharge operation is performed in the unlocked state in each time zone, the operation count in that time zone is incremented by one. Even if it is detected that the switch 4a is pressed twice or more in the same time zone, the operation count is increased only by one. In this way, the number of times the user performs the ejection operation is accumulated, and a basic pattern for when the user wants to eject is constructed. When data is accumulated by repeating the time period of 72 for a predetermined period (7 times per week in this embodiment), a basic pattern by the life learning means 31 is constructed based on the data, and based on the basic pattern. Start operation.
[0030]
In the accumulated data, if the accumulated data is counted three times or more in a certain time zone, it is determined that the user has a high probability of discharging hot water, and the heating control means 7 controls the heating means 2. The operation of keeping the temperature of the liquid in the container 1 at a high temperature (about 95 ° C. in this embodiment) is performed. If the count is less than 3 times, it is determined that the user has a low probability of discharging hot water, and the liquid in the container 1 is kept at a low temperature (about 60 ° C. in this embodiment). I do.
[0031]
As described above, even if the operation is performed in the basic pattern, the usage is irregularly performed or the life pattern is changed. In such a case, it is considered that the heating switch 32 is turned on to raise the temperature, so that the heating operation of the heating switch 32 is preferentially performed. The high temperature is maintained even after boiling. Furthermore, the basic pattern also changes in order to respond to changes.
[0032]
When the next data (8th day data) is accumulated after the start of use, the oldest stored data is discarded, the data is updated, and the operation is always based on the latest seven previous data. I do. Here, FIG. 3A shows accumulated data for the past seven days, and FIG. 3B shows a life learning operation pattern based on the accumulated data.
[0033]
Originally, the operation of FIG. 3 (b) is performed, but as shown in FIG. 4, when it is detected that the heating switch 32 is pressed in the third time zone, the heating means 3 performs heating, and once boils. The temperature is kept at 95 ° C. for a first predetermined time (10 minutes in this embodiment) after the boiling is detected. Here, it is assumed that the discharge operation is performed in the third time period after the boiling is detected. Thereafter, the operation returns to the operation based on the basic pattern.
[0034]
FIG. 5A shows the data added on the 8th day. The life learning operation based on the data of FIG. 5 (a) is FIG. 5 (b), and the discharge operation after heating on the previous day is reflected, and in the third time zone, an operation of automatically keeping the temperature high is performed. ing.
In this way, by responding to irregular operations, the basic pattern used by the user can also be handled.
[0035]
As described above, by giving priority to the operation of the heating switch 32, it is possible not only to perform an energy-saving operation that does not require the user's effort by life learning, but also to cope with a case where the user wants hot water. , Can improve usability.
[0036]
Although the basic pattern recognition is based on the operation of the discharge control means 4, it may be based on the input to the heating switch 32. Furthermore, the basic pattern is determined based on the operation of both the discharge control means 4 and the heating switch 32. It is needless to say that automatic control operations can be performed in accordance with the actual usage of the user by constructing the above.
[0037]
Although the basic pattern recognition is detected when the switch 4a is pressed during unlocking, it is not necessary to be limited to unlocking, and the case where it is detected that the switch 4a is pressed in the locked state is added. Furthermore, the same effect can be obtained even when it is detected that the switch 4e is pressed in the locked state.
[0038]
Further, in this embodiment, in the determination of the use probability, it is assumed that the use probability is high when it is three times or more. However, the use probability is not limited to three times, and there is a possibility of keeping the temperature low by increasing the number of times. However, if the number of times is decreased, the possibility of keeping at low temperature is reduced, but when the user wants to discharge the liquid, the possibility that the liquid is kept at high temperature is high. Thus, the number of times is determined by the balance between the power consumption and the heat retention probability at a high temperature.
[0039]
In the present embodiment, the time zone is configured to divide 24 hours. However, the present invention is not limited to this. For example, by dividing one week, a basic pattern in units of one week is learned. It is also possible to learn basic patterns in units of one month by dividing four weeks.
[0040]
In this embodiment, the time zone is divided into 72. However, the time zone is not limited to 72. For example, by increasing (or decreasing) the number of divisions, an operation closer to the basic pattern of the user is performed. It is also possible.
[0041]
Further, the number of times data is stored is set to 7. However, the number of times of data storage is not limited to 7. For example, by increasing (or decreasing) the number of times, the basic pattern used by the user can be made closer. .
[0042]
In addition, when the input of the heating switch 32 is received while the life learning means 31 is operating the basic pattern, the heating is started and once boiled. However, there is no need to boil once. It is also possible to adopt a configuration that shifts to the heat retaining operation at the previous high temperature, and power consumption can be further reduced by not boiling.
[0043]
Furthermore, the system is equipped with a primary battery, a secondary battery, an electric double layer capacitor, etc., and even when the commercial power supply 12 is turned off, the power supply is turned on and the elapsed power is counted so that the commercial power supply is turned on again. In this case, it becomes possible to resume the operation by utilizing the data for the time zone stored in the life learning means 31, and the usability can be further improved.
[0044]
(Example 2)
A second embodiment of the present invention will be described with reference to FIGS.
[0045]
FIG. 6A shows life learning accumulated data of this embodiment, and FIG. 6B shows a learning operation based on the accumulated data of FIG. 6A.
[0046]
Here, when it is detected that the heating switch 32 is pressed in the third time zone, since the accumulated data is originally two, the operation of keeping the temperature at 60 ° C. is performed, but the heating means 3 performs the heating. , Once boiled, and then keep warm at 95 ° C. until the end of the third time period. Thus, by synchronizing the time for maintaining the temperature at 95 ° C. after boiling with the time zone during which the basic pattern is operated, it is not necessary to provide the first predetermined time, and the program can be simplified. It becomes possible.
[0047]
(Example 3)
A third embodiment of the present invention will be described with reference to FIGS.
[0048]
FIG. 7A shows the accumulated data of life learning according to the present embodiment, and FIG. 7B shows the learning operation based on the accumulated data of FIG. 7A.
[0049]
Here, when it is detected that the heating switch 32 is pressed in the third time zone, since the accumulated data is originally two, the operation of keeping the temperature at 60 ° C. is performed, but the heating means 3 performs the heating. , Once boiled, and then keep warm at 95 ° C. until the end of the next fourth time period. If the time zone where the boiling is detected is just before the end of the third time zone, if the 95 ° C heat insulation is finished in the third time zone, the hot water will soon boil. There is a possibility of keeping warm at low temperatures. However, even if the user wants to discharge hot water and presses the heating switch 32, it is possible to eliminate the possibility that the temperature is already low when discharging after boiling, and to further improve usability. It becomes.
[0050]
(Example 4)
A fourth embodiment of the present invention will be described with reference to FIGS.
[0051]
In the figure, 33 is a standby operation setting means for inputting a command for performing a standby operation. When a command is input to the standby operation setting means, the operation based on the basic pattern is not performed, and heating and heat insulation by the heating means 2 are performed. It stops and does not perform heating and heat retention at all for a predetermined time (6 hours in this embodiment). When 6 hours have elapsed since the standby operation was set, the operation moves to the operation of heating and boiling the liquid in the container 1 by the heating means 2.
[0052]
FIG. 9A shows life learning accumulated data of this embodiment, and FIG. 9B shows a learning operation based on the accumulated data of FIG. 9A.
[0053]
Here, when 6 hours have elapsed from the standby operation setting, the heating means 2 heats the liquid in the container 1 until it boils. Then, during the second predetermined time (in this embodiment, 10 minutes) after detecting the boiling, the heat retaining operation is performed at a high temperature (95 ° C. in the present embodiment), and thereafter the operation based on the accumulated data is performed. . Thereby, even in a time zone where the usage frequency is high, it is possible to further enhance the energy saving effect by giving priority to the user's standby operation. Also, during standby operation, it becomes possible to boil liquid that has not been heated or kept warm at all, and to discharge the boiled liquid, improving the hygiene aspect when the user discharges and uses the liquid Not only can the temperature be kept at a high temperature for the second predetermined time, but when the user wants to discharge the hot water after the standby operation, the hot water temperature can be prevented from lowering and the usability can be improved.
[0054]
In this embodiment, the operation without heating and holding is performed as the standby operation, but it goes without saying that the same effect can be obtained when the operation is kept at a low temperature (for example, 60 ° C.).
[0055]
In this embodiment, the standby operation time is 6 hours. However, the standby operation time is not limited to 6 hours, and the standby operation time can be selected from several types. By using a configuration in which the user can arbitrarily set the time, the usability can be further improved.
[0056]
In this embodiment, the temperature is kept at a high temperature until the time period when the boiling is detected ends. However, the same effect can be obtained in the time period to which the standby operation ends.
[0057]
(Example 5)
A fifth embodiment of the present invention will be described with reference to FIGS.
[0058]
In this embodiment, when 6 hours have elapsed since the standby operation setting means 33 set the standby operation, the heating means 2 shifts to an operation of keeping the liquid in the container 1 at a high temperature. Others are the same as the fourth embodiment.
[0059]
FIG. 10A shows life learning accumulated data of this embodiment, and FIG. 10B shows a learning operation based on the accumulated data of FIG. 10A.
[0060]
When 6 hours have elapsed from the standby operation setting, the liquid in the container 1 is kept at a high temperature by the heating means 2. Then, during the second predetermined time (10 minutes in this embodiment) after reaching the high temperature (95 ° C. in this embodiment), the heat insulation operation is performed at a high temperature, and thereafter the operation based on the accumulated data is performed. . Thereby, even in a time zone where the usage frequency is high, it is possible to further enhance the energy saving effect by giving priority to the user's standby operation.
[0061]
In the present embodiment, as in the fourth embodiment, various modifications can be considered, and the present embodiment is not limited to the embodiment.
[0062]
(Example 6)
A sixth embodiment of the present invention will be described with reference to FIGS.
[0063]
In this embodiment, when 6 hours have elapsed since the standby operation setting means 33 set the standby operation, the heating means 2 shifts to the operation of heating and boiling the liquid in the container 1. Others are the same as the fourth embodiment.
[0064]
FIG. 11A shows accumulated data of life learning according to this embodiment, and FIG. 11B shows a learning operation based on the accumulated data of FIG. 11A.
[0065]
Here, when 6 hours have elapsed from the standby operation setting, the heating means 2 heats the liquid in the container 1 until it boils. Then, during the third time zone in which boiling is detected, the heat retaining operation is performed at a high temperature (95 ° C. in this embodiment), and after the third time zone is completed, an operation based on the accumulated data is performed. This makes it possible to prioritize the user's standby operation and increase the energy saving effect even during times of high usage. Also, during standby operation, it becomes possible to boil liquid that has not been heated or kept warm at all, and to discharge the boiled liquid, improving the hygiene aspect when the user discharges and uses the liquid it can. Then, by synchronizing the time for maintaining the high temperature with the time zone during which the basic pattern is operated, it is not necessary to provide the second predetermined time, and the program can be simplified.
[0066]
(Example 7)
A seventh embodiment of the present invention will be described with reference to FIGS.
[0067]
In this embodiment, when 6 hours have elapsed since the standby operation setting unit 33 set the standby operation, the heating unit 2 shifts to the operation of heating and boiling the liquid in the container 1.
[0068]
FIG. 12A shows life learning accumulated data of this embodiment, and FIG. 12B shows a learning operation based on the accumulated data of FIG. 12A.
[0069]
Here, when 6 hours have elapsed from the standby operation setting, the heating means 2 heats the liquid in the container 1 until it boils. Then, during the third time zone when boiling is detected, the temperature is kept at a high temperature (95 ° C. in this embodiment), and not only at the third time but also at the next fourth time zone, the temperature is kept at 95 ° C. When the fourth time period ends, the operation based on the accumulated data is performed thereafter. This makes it possible to boil the liquid that has not been heated or kept warm during the standby operation and to discharge the boiled liquid, improving the hygiene when the user discharges and uses the liquid In addition, if the time zone when boiling is detected is just before the end of the third time zone, if the heat retention at 95 ° C. is finished in the third time zone, the boiling is detected. There is a possibility that the temperature will be kept at a low temperature immediately after a short time, and even though the user sets the standby operation in the standby operation setting means 33 with the intention of discharging hot water, It is possible to further improve the usability by eliminating the possibility that the temperature is already low.
[0070]
【The invention's effect】
As described above, according to the present invention, the life learning means is provided, the usage pattern of the user is stored, the basic pattern is constructed, the heating and heat insulation control is performed based on the basic pattern, and the command is input to the heating switch. If the heater switch is given priority, the water heating temperature is lowered during times when it is not normally used, and power consumption can be reduced without requiring annoying operations by the user. In addition, even in a time zone that is not normally used, water heating can be performed by a command from the heating switch, improving usability.
[Brief description of the drawings]
FIG. 1 is a block diagram showing the configuration of an electric water heater in embodiments 1 to 3 of the present invention.
[Fig. 2] Circuit diagram of the electric water heater
FIG. 3A is a diagram showing accumulated data 1 of a basic pattern of an electric water heater in Embodiment 1 of the present invention.
(B) The figure which shows the life learning operation example 1 in (a)
FIG. 4 is a view showing an operation example when a heating switch is pushed in the electric water heater.
5A is a diagram showing accumulated data 2 of a basic pattern of the electric water heater. FIG.
(B) The figure which shows the life learning operation example 2 in (a)
6A is a diagram showing accumulated data of a basic pattern of an electric water heater in Embodiment 2 of the present invention. FIG.
(B) The figure which shows the life learning operation example in (a)
FIG. 7A is a diagram showing accumulated data of a basic pattern of an electric water heater in Embodiment 3 of the present invention.
(B) The figure which shows the life learning operation example in (a)
FIG. 8 is a block diagram showing the configuration of an electric water heater in Examples 4 to 7 of the present invention.
FIG. 9A is a diagram showing accumulated data of a basic pattern of an electric water heater in Embodiment 4 of the present invention.
(B) The figure which shows the life learning operation example in (a)
FIG. 10A is a diagram showing accumulated data of a basic pattern of an electric water heater in Embodiment 5 of the present invention.
(B) The figure which shows the life learning operation example in (a)
FIG. 11A is a diagram showing accumulated data of a basic pattern of an electric water heater in Embodiment 6 of the present invention.
(B) The figure which shows the life learning operation example in (a)
12A is a diagram showing accumulated data of a basic pattern of an electric water heater in Embodiment 7 of the present invention. FIG.
(B) The figure which shows the life learning operation example in (a)
FIG. 13 is a block diagram showing the configuration of a conventional electric water heater
[Explanation of symbols]
1 container
2 Heating means
3 Temperature detection means
4 Discharge control means
5 Discharge means
31 Life learning means
32 Heating switch

Claims (7)

A container for storing liquid, a heating means for heating the liquid in the container, a usage pattern for a predetermined period is stored for each unit time zone, a basic pattern is constructed from the stored values, and the basic pattern is used based on the basic pattern It has a life learning means for operating the heating means, and a heating switch for forcibly heating the liquid in the container, wherein when the heating switch is depressed, and configured to perform heat preferentially, the heating An electric water heater that is configured to maintain a high temperature for a first predetermined time when the switch is pressed to finish the water heater, and then to operate the heating means based on the basic pattern . The electric water heater according to claim 1 , wherein the first predetermined time is a time zone to which the place where the water heater is finished belongs. The electric water heater according to claim 1 , wherein the first predetermined time is until a time zone next to a time zone to which the place where the kettle is finished belongs. A standby operation setting means for inputting a command for performing the standby operation, and upon receiving an input to the standby operation setting means, the standby operation is started, and after the standby operation setting time is over, the temperature is increased by a second predetermined time. The electric water heater according to any one of claims 1 to 3 , wherein the heating means is operated based on a basic pattern after heat insulation. A standby operation setting means for inputting a command for performing a standby operation, and upon receiving an input to the standby operation setting means, the standby operation is started, and after the standby operation setting time is over, The electric water heater according to any one of claims 1 to 3 , wherein the heating means is operated at a high temperature for a predetermined time, and thereafter the heating means is operated based on the basic pattern. The electric water heater according to claim 4 or 5 , wherein the second predetermined time is until a time zone to which the place where the water heater is finished belongs. The electric water heater according to claim 4 or 5 , wherein the second predetermined time is until a time zone next to a time zone to which the place where the kettle is finished belongs.

Images