JP2002130815A - Remote controller for water heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a remote controller for a water heater capable of reserving to set bathing without necessity of a troublesomeness of calculating and setting a bathing reserving time from a present time when a short time such as, for example, after one hour. SOLUTION: The remote controller for the water heater comprises a water heater body 1 capable of automatically filling hot water in a bathtub, and one or a plurality of remote controllers 23, and a bathing reserving time setting function of finishing filling of the hot water in the bathtub 12 when becoming the bathing reserving time and capable of bathing. When a bathing reserving timer set switch 31 is operated to set the bathing reserving timer time and the set time is elapsed, filling of hot water in the bathtub 12 is finished and the bathing reserving timer setting function to be able to bathe is provided. In case of a short time such as after one hour, therefore, there is no need for troublesome calculating and setting the bathing reserving time from the present time, and the bathing reserving setting can be executed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention comprises a water heater main body capable of automatically filling a bathtub and one or a plurality of remote controllers. The present invention relates to a remote control for a water heater having a bathing reservation time setting function.

[0002]

2. Description of the Related Art Conventionally, a water heater main body capable of automatically filling a bath tub and one or a plurality of remote controllers are provided.
When the bathing reservation time arrives, the remote control of the water heater that has a bathing reservation time setting function that completes bathing in the bathtub and enables bathing is used when setting a bathing reservation. The time was set by the time change switch, and the bath reservation was confirmed by pressing the switch for confirming the bath reservation.

[0003]

However, according to the conventional technique, for example, at a short time, such as one hour later, it is necessary to calculate the bathing reservation time from the current time and set the bathing reservation time. There was a problem of inconvenience.
Therefore, the present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to, for example, calculate the bathing reservation time from the current time and set it at a short time, such as one hour later. Another object of the present invention is to provide a remote controller for a water heater that can make a bathing reservation setting that does not need to be performed.

[0004]

In order to achieve the above object, the present invention provides a bathing reservation timer setting function that, when a set time has elapsed, filling of a bathtub is completed and a bath can be taken. Since it is provided, for example, at a short time, such as one hour later, the bathing reservation setting can be performed without the need to calculate and set the bathing reservation time from the current time.

[0005] according to claim 2, after bathing reservation timer setting, so it was decided to display the remaining become possible bathing time, after the timer setting, continue to count down the bathing possible time, is made possible after bathing, after You can check how long it is.

[0006]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram of a gas water heater showing one embodiment of the present invention. The above water heater is
As shown in the figure, the water heater main body 1 and the water heater main body 1
And a hot water supply pipe 5 for supplying water heated by the heat exchanger 7 to the hot water tap 11 by burning the burner 13 in the water heater main body 1. . In addition, the hot water supply pipe 3 has an incoming water temperature sensor 16 for detecting the temperature Tc of water from the water supply source, a water amount sensor 17 for detecting the amount of water Q, and a downstream side of the mixing valve 19 of the hot water supply pipe 5. A mixed hot water temperature detection sensor 18 for detecting the mixed hot water temperature Tm after the mixing is provided. Further, the gas water heater includes a hot-water pipe 4 connected from the hot-water pipe 5 in the hot-water heater body 1 to the additional heating pipe 2 downstream of the mixing valve 19. A bath water amount sensor 8 for detecting a flow rate flowing through the bath 4 and a hot water solenoid valve 6 for starting / stopping the supply of hot water are provided. The reheating pipe 2 has an end connected to the bathtub 12, a circulation pump P for circulating hot water in the bathtub 12, a water level sensor 10 for detecting a water level in the bathtub 12, and a temperature of hot water in the bathtub 12. A bath temperature sensor 21 is provided.

FIG. 2 is a control block diagram of a gas hot water supply apparatus according to one embodiment of the present invention. As shown in FIG. 2, various sensors 8, 10, 16, 17, 18, 20, 21 and the proportional valve 14, the solenoid valve 15, the fan 9, the mixing valve 19, the hot water solenoid valve 6, the circulation pump P, etc. are controlled. The control unit 22 is connected to the control unit 22 so that a predetermined detection value can be sent to the control unit 22 and can be controlled by an instruction from the control unit 22. Further, the control unit 22 is remotely operated, or predetermined data is stored in a storage unit 33 connected to the control unit 22.
A remote controller 23 is connected to the control unit 22 so that the setting can be performed.

FIG. 3 is a plan view of a remote controller according to an embodiment of the present invention. The remote controller 23 includes, for example, a voice uttering unit 3 for guiding an operation method, operation confirmation, and the like by voice.
4, a display unit 32 for displaying the current time, the set temperature Ts, the bath set temperature Tfs, and the like; an operation switch 24; a hot water switch 25 that is turned on when hot water is applied to the bath tub; A reheating switch 26 that is turned on when reheating the internal hot water is provided. In addition, a set temperature Ts of the hot water supplied from the hot water tap 11 and a bath set temperature Tfs of the hot water to be filled in the bathtub 12 are set. Further, the current time, the bathing reservation time, and the bathing reservation timer time are set. A switch 27 having a function of setting and a switch 28 for switching to a current time setting mode for setting the current time are provided.

For example, a bathing reservation time setting mode changeover switch 29 used when going out for business or wanting to take a bath immediately after returning home, a bathing reservation time set and confirmed, or a bathing reservation is made. A switch 30 is provided which also has a function of canceling the time setting. In addition, when the bathing reservation time was previously set and it is not necessary to change the time, the bathing reservation time setting can be performed simply by pressing the switch 30. Is determined. Further, even if the same bathing reservation is made, for example, the user is provided with a bathing reservation timer time setting mode changeover switch 31 which is used when one wants to bathe one hour later, but it is troublesome to set the bathing reservation time. Further, the switch 31 also has a function of canceling the input bathing reservation timer setting.

FIG. 4 is a flowchart showing the present invention. In step S1, it is determined whether to set a bathing reservation time or a bathing reservation timer.
In step 2, it is determined whether the current time has been set. At this time, if the current time has not been set, for example, it is notified that the current time has not been set by voice.

When the current time setting mode changeover switch 28 is pressed in step S3, the display unit 32 is switched to the current time setting mode, and the current time setting switch 27 is operated in step S4. For example, to advance the current time display, press the + part of the switch 27 to advance the time displayed on the display unit 32, and to return the current time display, use the switch 2
Press the-part of 7 to reset the time and set the current time. When the current time setting is completed, the current time setting mode changeover switch 28 is pressed again in step S5, and the display unit 32
When the operation switch is ON, the set temperature Ts is switched to the normal mode in which the current time is displayed when the operation switch is OFF.

In step S6, it is determined whether or not bathing reservation time has been set. At this time, if the bathing reservation time setting has not been made, when the bathing reservation time setting mode changeover switch 29 is pressed in step S7, the display section 32 switches to the bathing time setting mode, and the bathing reservation time setting switch 27 is operated in step S8. I do. For example, to advance the bathing reservation time display, press the + part of the switch 27 to advance the time displayed on the display unit 32, and to return the bathing reservation time display, press the-part of the switch 27 to return the time and bathe. Set the reservation time. When the setting of the bathing reservation time is completed, the bathing time setting mode changeover switch 29 is pressed again in step S9, and the display unit 32 displays the set temperature Ts when the operation switch is ON, and displays the current time when the operation switch is OFF. Switch to normal mode.

When the bathing reservation time has been set in step S6, or when the setting of the bathing reservation time has been completed, the bathing reservation is confirmed by pressing the bathing reservation confirmation / cancel switch 30 in step S10. In step S11, the control unit 22 of the water heater is provided with a storage unit for storing the time required for the last hot water filling, and subtracts the time required for the last hot water filling from the set bathing reservation time. When the time is calculated and the hot water filling is started at step S12 at that time, bathing is enabled during the bathing reservation time, and the display of bathing OK is displayed on the display unit 32 in step S13.

If it is desired to confirm the bathing reservation time again, the bathing reservation time set on the display unit 32 is displayed by pressing the bathing reservation time setting mode changeover switch 29 so that it can be confirmed.

If the bath reservation timer is set in step S1, the bath reservation timer setting mode changeover switch 31 is pressed in step S14. Then, the display unit 32 switches to the bathing reservation timer setting mode, and operates the bathing reservation timer time setting switch 27 in step S15. For example, each time the + part is pressed once, the timer time is advanced at 30 minute intervals, and if the user accidentally exceeds the timer time that the user wants to set, the timer time is set at 30 minute intervals every time the-part is pressed. Return to set the bath reservation timer time.

When the setting of the bathing reservation timer time is completed, the bathing timer setting mode changeover switch 31 is pressed again in step S16, and the display unit 32 is set to the set temperature Ts when the operation switch is ON and to the current time when the operation switch is OFF. Switch to the normal mode displaying.

In step S17, as described above, the control unit 22 of the water heater is provided with a storage unit for storing the time required for the last hot water filling operation. After calculating the time obtained by subtracting the time required for the bathing and starting the bathing at step S18 at that time, the bathing becomes possible after the lapse of the bathing reservation time,
In step S19, the display of bathing OK is displayed on the display unit 32.

Thus, for example, at a short time, such as one hour later, the user can make the bathing reservation setting without the hassle of calculating and setting the bathing reservation time from the current time.

The set bathing timer time counts down as the time elapses. Therefore, it is possible to confirm how many minutes after the setting of the bathing reservation timer time the bathing can be performed. When the user wants to display the remaining time when the user can take a bath on the display unit 32, the user can press the bath reservation timer setting mode changeover switch 31 to display and confirm the remaining time.

[Brief description of the drawings]

FIG. 1 is a block diagram of a gas water heater showing one embodiment of the present invention.

FIG. 2 is a control block diagram showing one embodiment of the present invention.

FIG. 3 is a plan view of a remote controller showing one embodiment of the present invention.

FIG. 4 is a flowchart showing an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Water heater main body 2 ... Additional heating piping 3 ... Water supply pipe 4 ... Hot water supply pipe 5 ... Hot water supply pipe 6 ... Hot water solenoid valve 7 ... Heat exchanger 8 ... Bath water amount sensor 9 ... Fan 10 ... Water level sensor 11 ... Hot water tap 12 ... Bathtub 13 ... Burner 14 ... Proportional valve 15 ... Solenoid valve 16 ... Incoming water temperature sensor 17 ... Water volume sensor 18 ... Mixed hot water temperature detection sensor 19 ... Mixing valve 20 ... Heat exchanger outlet temperature sensor 21 ... Bath temperature sensor 22 ... Control unit 23 remote control 24 operation switch 25 hot water switch 26 additional heating switch 27 temperature setting, current time setting, bathing reservation time, bathing timer time setting switch 28 current time setting mode changeover switch 29 bathing reservation time setting Setting mode changeover switch 30: Bathing reservation confirmation / cancellation switch 31: Bathing reservation timer setting mode switching, bathing reservation timer setting Dividing switch 32 ... display unit 33 ... memory unit P ... circulation pump

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Claims (2)

[Claims] 1. A hot water supply unit capable of automatically filling a bathtub with a water heater and one or a plurality of remote controllers. When a bathing reservation time comes, the bathing of the bathtub ends and a bathing reservation time can be set. A remote controller for a water heater, comprising: a remote controller for a water heater having a function, wherein when a set time has elapsed, filling of a bathtub is completed and a bath can be taken. 2. The remote controller for a water heater according to claim 1, wherein a remaining time for which a bath can be taken is displayed after setting a bathing reservation timer.