JPH11141973A - Bath equipment - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To prevent dirt such as lipids of a human body floating in bath water by bathing from adhering to a heat exchanger or a pump for reheating and causing scale. SOLUTION: After a lapse of a predetermined time when an automatic hot water supply switch 12 of a remote controller 10 for remote control of a bath apparatus is turned off, an automatic hot water supply opening / closing valve 13 is opened to set a predetermined amount of hot water in a bathtub 19.
Control means 21 for supplying to the power supply. As a result, dirt attached to the reheating circuit such as the reheating heat exchanger 15 and the pump 16 is removed, and the generation of hot water can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for controlling bath cleaning of a bath apparatus.

[0002]

2. Description of the Related Art Conventionally, a combustion apparatus of this kind has a structure as shown in FIG. That is, in the hot water supply operation, when the hot water tap 1 is opened, the water quantity sensor 2 detects water flow, the combustion fan 3 rotates, and the gas source solenoid valve 4 and the gas proportional valve 5
Is opened, the hot water supply burner 6 is ignited, and heated by the hot water supply heat exchanger 7. Here, the hot water heated by the hot water supply heat exchanger 7 is
Hot water is supplied from the hot-water tap 1 through the hot-water supply unit 8 and the hot-water supply connection port 9.

Next, when the automatic hot water supply operation is performed, the operation switch 11 of the remote control remote control 10 is set to "ON" and the automatic hot water supply switch 12 is set to "ON". Similarly to the above, the hot water heated by the hot water supply heat exchanger 7 passes through the automatic hot water supply water supply unit 14, passes through the automatic hot water supply opening / closing valve 13, passes through the additional heating heat exchanger 15, passes through the pump 16, and goes to the return pipe 17 and return pipe 18 Hot water is supplied to the bathtub 19.

[0004]

However, in the conventional bath apparatus, after automatic hot water supply to the bathtub, the bathtub water is contaminated and mixed with the fat of the human body by bathing, and the automatic hot water supply switch is turned on. Or the reheating switch is in the "on" state, the pump operates to circulate the bath water, so that the reheating heat exchanger and the pump also become dirty. If the bathtub water is drained in this state, the dirt attached to the heat exchanger or pump for additional heating causes hot water, and has a problem of causing discomfort in use.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention sets the automatic hot water supply opening / closing valve to "open" after a predetermined time has elapsed by turning off an automatic hot water supply switch of a remote controller for remote control. A control means for supplying a predetermined amount of hot water to the bathtub is provided.

According to the above invention, when the bathtub water is drained, or even when the bathtub water remains, a predetermined amount of hot water is supplied to the bathtub via the additional heat exchanger and the pump to increase the heat for the additional heating. Dirt adhering to a reheating circuit such as an exchanger or a pump is discharged, so that generation of scale can be reduced.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a hot water supply heat exchanger, and an automatic hot water supply water supply section branched from an outlet of the hot water supply heat exchanger and supplied to a bathtub. An automatic hot water supply opening / closing valve for opening and closing the water supply section, a forward pipe and a return pipe for guiding the automatic hot water supply opening / closing valve to the bath tub through a reheating heater and a pump from the automatic hot water supply opening / closing valve, A remote control remote control having an automatic hot water supply switch for instructing automatic hot water supply to the hot water supply, and after a lapse of a predetermined time when the automatic hot water supply switch is turned off, the automatic hot water supply opening / closing valve is opened to set a predetermined hot water amount in the bathtub. Control means for supplying the power to the control unit.

[0008] Even when the bathtub water is drained or the bathtub water remains, a predetermined amount of hot water is supplied to the bathtub through the additional heat exchanger or pump to thereby increase the additional heat exchanger or pump. In order to discharge dirt adhering to the reheating circuit, the generation of scale can be reduced.

According to a second aspect of the present invention, when the automatic hot water supply switch is on, the thermistor for detecting the hot water temperature provided in the circuit for reheating, the heat exchanger for reheating and the pump are used to switch the bathtub for a predetermined time. A control means for providing a heat retaining function for keeping the temperature of the hot water constant, and for supplying a predetermined amount of hot water to the bathtub by opening the automatic hot water supply opening / closing valve after a lapse of a predetermined time after the completion of the heat retaining function.

[0010] Even when the bathtub water is drained or the bathtub water remains, a predetermined amount of hot water is supplied to the bathtub through the additional heat exchanger or pump to thereby provide the additional heat exchanger or pump. In order to discharge dirt adhering to the reheating circuit, the generation of scale can be reduced.

According to a third aspect of the present invention, when the automatic hot water supply switch is turned on, a predetermined time after the operation switch for instructing the operation or stop of the previous operation mode provided on the remote controller for remote operation has been turned off has elapsed. And a control means for opening the automatic hot water supply on-off valve to open and supply a predetermined amount of hot water to the bathtub.

[0012] Even when the bathtub water is drained or the bathtub water remains, a predetermined amount of hot water is supplied to the bathtub through the additional heat exchanger and pump to thereby increase the additional heat exchanger and pump. In order to discharge dirt adhering to the reheating circuit, the generation of scale can be reduced.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. The same parts as those in the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted.

(Embodiment 1) FIG. 1 is a structural diagram of a bath apparatus according to Embodiment 1 of the present invention, and FIG. 2 is a sequence diagram of Embodiment 1 of the present invention.

During the automatic hot water supply operation, a remote control 1 for remote control
0 operation switch 11 is turned on, and automatic hot water supply switch 1 is turned on.
When 2 is turned on, the automatic hot-water supply on-off valve 13 is opened, and the hot water heated by the hot-water supply heat exchanger 7 is supplied from the automatic hot-water supply water supply unit 14 through the automatic hot-water supply on-off valve 13 for reheating. Heat exchanger 1
The hot water is supplied to the bathtub 19 from the going pipe 17 and the return pipe 18 via the pump 5 and the pump 16 at the set flow rate S.

After the hot water is automatically supplied to the bathtub, the bathtub water 2
0 indicates that the dirt floats or mixes due to lipids of the human body and the like, and when the automatic hot water supply switch 12 is in the "ON" state or the reheating switch (not shown) is in the "ON" state, the pump 16 operates to operate the bathtub. Since the water 20 circulates, dirt also attaches to the reheating heat exchanger 7 and the pump 16. If the bathtub water is drained in this state, the dirt attached to the reheating heat exchanger 7 or the pump 16 causes scale.

In the first embodiment, a remote control 1
When the automatic hot water supply switch 11 of “0” is turned “off”, the control means 21 for supplying the predetermined hot water amount Q to the bath tub 19 by opening the automatic hot water supply opening / closing valve 13 after a lapse of a predetermined time T is provided. If the water 20 is drained or the bath water 20
Heat exchanger 15 and pump 16 even if
Is cleaned with fresh hot water and discharged to the bathtub 19 from the going pipe 17 and the return pipe 18 to remove dirt attached to the reheating circuit such as the reheating heat exchanger 15 or the pump 16. The generation of scale can be reduced.

(Embodiment 2) A bath apparatus according to Embodiment 2 of the present invention will be described with reference to FIG.

After automatic hot water supply to the bathtub, automatic hot water switch 1
When “2” is “ON”, when it is detected that the temperature of the bathtub water 20 has dropped due to the circulation of the pump 16 and the thermistor 22 for detecting the hot water temperature provided in the circuit for additional heating for a predetermined time K, the hot water temperature is kept constant. And a heat retaining function of heating the reheating heat exchanger 15 so as to maintain the temperature.

The control means 21 for supplying the predetermined amount of hot water Q to the bathtub 19 by opening the automatic hot water supply opening / closing valve 13 after a predetermined time T after the completion of the heat retention function is provided. Drained, or bathtub water 20
Heat exchanger 15 and pump 16 even if
Is cleaned with fresh hot water and discharged to the bathtub 19 from the going pipe 17 and the return pipe 18 to remove dirt attached to the reheating circuit such as the reheating heat exchanger 15 or the pump 16. The generation of scale can be reduced.

Third Embodiment A bath apparatus according to a third embodiment of the present invention will be described with reference to FIG.

After automatic hot water supply to the bathtub, automatic hot water supply switch 1
When “2” is “ON”, the operation switch 11 for instructing operation and stop of all the operation modes of the remote control remote controller 10 is “OFF”.
After elapse of the predetermined time T, a control means 21 for opening the automatic hot water supply opening / closing valve 13 to supply a predetermined hot water amount Q to the bathtub 19 is provided.

When the bathtub water 20 is drained, or even when the bathtub water 20 remains, the additional heat exchanger 1
5. Clean the inside of the pump 16 with fresh hot water and
The dirt adhering to the reheating circuit such as the reheating heat exchanger 15 and the pump 16 is removed by discharging the water from the return pipe 18 to the bathtub 19, so that the generation of scale can be reduced.

[0024]

As described above, according to the present invention, after a lapse of a predetermined time when the automatic hot water supply switch of the remote controller for remote control of the bath apparatus is turned off, or after a lapse of a predetermined time when the heat retaining function is finished, or automatically. When the hot water switch is on,
The control means for opening the automatic hot water supply on-off valve to open and supply a predetermined amount of hot water to the bathtub after a lapse of a predetermined time when the operation switch is turned off is provided. By washing with fresh hot water and discharging to the bathtub, dirt attached to the reheating circuit such as a reheating heat exchanger or a pump is removed, which has the advantageous effect of reducing the generation of scale. can get.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a bath apparatus according to a first embodiment of the present invention.

FIG. 2 is a sequence diagram of the apparatus.

FIG. 3 is a sequence diagram of a bath apparatus according to a second embodiment of the present invention.

FIG. 4 is a sequence diagram of a bath apparatus according to a third embodiment of the present invention.

FIG. 5 is a configuration diagram of a conventional bath apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Remote control for remote control 11 Operation switch 12 Automatic hot water supply switch 13 Automatic hot water supply opening / closing valve 15 Heat exchanger for additional heating 16 Pump

Claims (3)

[Claims] 1. A hot water supply heat exchanger, and an automatic hot water supply passage section that branches from an outlet of the hot water supply heat exchanger and supplies hot water to a bathtub.
An automatic hot-water supply on-off valve for opening and closing the automatic hot-water supply and water-opening section, a reheating circuit having a reheating heat exchanger, a pump, an outgoing pipe and a return pipe, communicating with the automatic hot-water supply on-off valve; A remote controller for remote control having an automatic hot water supply switch for instructing automatic hot water supply, and after a lapse of a predetermined time when the automatic hot water supply switch is turned off, the automatic hot water supply opening / closing valve is opened to supply a predetermined amount of hot water to the bathtub. A bath apparatus having a control means for supplying. 2. A hot water supply heat exchanger, and an automatic hot water supply passage section that branches from an outlet of the hot water supply heat exchanger and supplies hot water to a bathtub.
An automatic hot-water supply on-off valve for opening and closing the automatic hot-water supply and water-opening section, a reheating circuit having a reheating heat exchanger, a pump, an outgoing pipe and a return pipe, communicating with the automatic hot-water supply on-off valve; A remote controller for remote control having an automatic hot water supply switch for instructing automatic hot water supply, and when the automatic hot water supply switch is `` on, '' a hot water temperature detecting thermistor provided in the additional heating circuit,
A heat retention function that keeps the temperature of the bathtub constant for a predetermined time by the reheating heat exchanger and the pump is provided, and after a predetermined time after the heat retention function is completed, the automatic hot water supply on-off valve is opened to set a predetermined amount of hot water. A bath apparatus having control means for supplying to a bathtub. 3. A hot water supply heat exchanger, and an automatic hot water supply passage section that branches from an outlet of the hot water supply heat exchanger and supplies hot water to a bathtub.
An automatic hot-water supply on-off valve for opening and closing the automatic hot-water supply and water-opening section, a reheating circuit having a reheating heat exchanger, a pump, an outgoing pipe and a return pipe, communicating with the automatic hot-water supply on-off valve; And a remote control for remote operation having an automatic hot water supply switch for instructing automatic hot water supply. When the automatic hot water supply switch is turned on, an operation switch for instructing operation and stop of all operation modes provided in the remote control for remote operation is provided. A bath apparatus having control means for turning on and off the automatic hot water supply on-off valve after a lapse of a predetermined time period of "off" to supply a predetermined amount of hot water to a bathtub.