JPH11148714A - Bath device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To discharge and remove contaminations since contamination components, such as fat, dirt, and hair, generated during bathing float and are mixed after hot water is automatically supplied in a bath tub and contaminations are adhered to a heat-exchanger for reheating bathtub water and a circulation pump due to circulation of bath tube water through operation for reheating bath tub water. SOLUTION: With an automatic hot water supply opening closing valve 13 for a bath device being opened, a given amount of hot water is fed 10 bathtub 16 through a two-flow passage by a supply pipe 20 and a return pipe 15 of a bath circulation route by a heat-exchanger 19 for reheating bathtub water and a circulation pump 18. When bathtub water is drained, the internal parts of the heat exchanger 19 for reheating bathtub water and the circulation pump 18 and the bathtub 16 are washed by fresh water and drained through the bathtub to the outside of a device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath apparatus capable of cleaning dirt attached to a reheating circuit of a bath apparatus.

[0002]

2. Description of the Related Art Conventionally, this type of bath apparatus has a configuration 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 the water or hot water is heated by the hot water supply heat exchanger 7. The hot water heated by the hot-water supply heat exchanger 7 is supplied from the hot-water tap 1 through the hot-water supply unit 8 and the hot-water supply connection port 9.

Next, during automatic operation, when the operation switch 11 of the remote controller 10 is turned on and the automatic hot water supply switch 12 is turned on, the automatic hot water supply opening / closing valve 13 is opened.
The hot water heated by the hot water supply heat exchanger 7 in the same manner as in the hot water supply operation is supplied from the pouring water supply unit 14 to the automatic hot water supply opening / closing valve 13.
And hot water is supplied from the return pipe 15 to the bathtub 16.

[0004]

However, in the conventional bath apparatus, after automatic hot water supply to the bath tub 16, the bath tub water 17 contains dirt components such as human body fat, dirt, and hair floating and mixing due to bathing. When the automatic hot water supply switch 12 is "ON" or the reheating switch (not shown) is "ON", the circulation pump 18 is operated to circulate the bathtub water 17, so that the reheating heat exchanger 19 is used. Also, dirt adheres to the circulation pump 18, the outgoing pipe 20, and the return pipe 15. If the bath water 17 is discharged in this state, the dirt components of the bath water adhering to the heat exchanger 19 for reheating, the circulation pump 18, the outgoing pipe 20 and the return pipe 15 cause scale and mud and give an uncomfortable use. And had the problem of becoming unclean and unsanitary.

Accordingly, the present invention provides a bath apparatus which can remove the dirt component of the bathtub water, which is a problem of the above-mentioned conventional bath apparatus, even if it adheres to the heat exchanger for reheating, the circulation pump, the outgoing pipe and the return pipe. It is intended to realize.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention solves the above-mentioned problem by setting the automatic hot-water supply on-off valve to be open, and setting the automatic hot-water supply on-off valve in two passages from both the outgoing pipe and the return pipe of the bath circulation path. Is supplied to the bathtub.

[0007] According to the above invention, when draining the bathtub water or the like, a predetermined flow rate is supplied to the bathtub in two flow paths from both the forward pipe side and the return pipe side via the additional heat exchanger or the circulation pump. Dirt adhering to the reheating circuit, such as a reheating heat exchanger or a circulation pump, is discharged to the outside of the device via the bathtub to reduce the generation of scale and mud during bathing. Can be.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can be embodied by the constitutions described in the respective claims, and the constitutions and operational effects are described below. The invention according to claim 1 provides a pouring water supply section for supplying hot water to the bathtub, an automatic hot water supply opening / closing valve provided in the pouring water supplying section, and a heat exchanger for additional heating from the automatic hot water supply opening / closing valve. A return pipe leading from the automatic hot water supply opening / closing valve to the bath tub via a circulating pump; a water level detecting means provided in the return pipe for detecting a water level in the bath tub; and automatic hot water supply to the bath tub. And a remote controller for remote control having an automatic hot water supply switch for instructing the automatic hot water supply on / off valve, and in a state where the automatic hot water supply opening / closing valve is open, a predetermined amount of water is supplied to the bathtub from both the going pipe and the return pipe. It is.

[0009] When draining the bathtub water, a predetermined flow rate is supplied to the bathtub in two flow paths from both the forward pipe side and the return pipe side through a reheating heat exchanger or a circulation pump. Accordingly, since dirt adhering to a reheating circuit such as a reheating heat exchanger or a circulating pump is discharged to the outside of the apparatus, an effect of reducing generation of scale and mud during bathing can be obtained.

Further, the invention according to claim 2 is a pouring water supply section for supplying hot water to a bathtub, an automatic hot water supply opening / closing valve provided in the pouring water supplying section, and a supplementary heating from the automatic hot water supply opening / closing valve. A return pipe leading from the automatic hot water supply on-off valve to the bath tub via a circulating pump, a return pipe leading to the bath tub from the automatic hot water supply on-off valve, Water flow switching means provided at the branch of the return pipe, water level detection means provided in the middle of the return pipe to detect the water level of the bathtub,
A remote control remote controller having an automatic hot water supply switch for instructing automatic hot water supply to the bathtub, wherein the water flow switching means is alternately provided on the outgoing pipe side and the return pipe side in a state where the automatic hot water supply opening / closing valve is open. By switching, a predetermined amount of water is supplied to the bathtub.

[0011] Then, 2 simultaneously to both the going pipe and the returning pipe.
Utilizing the fact that the flow rate when flowing in one flow path to either the outgoing pipe or the return pipe is larger than the flow rate when flowing in the flow path, a predetermined amount of water is used when draining bathtub water, etc. Dirt adhering to the reheating circuit of the reheating heat exchanger or circulation pump, etc., is alternately flowed alternately to the forward pipe side via the reheating heat exchanger and the return pipe side via the circulation pump. Since the water can be discharged to the outside of the device via the bathtub, there is an operational effect that generation of scale and mud during bathing can be reduced.

According to a third aspect of the present invention, the water flow switching means is configured to flow simultaneously to both the forward pipe side and the return pipe side, or to flow one of the forward pipe side and the return pipe side. Is made selectable.

[0013] Since it can be arbitrarily selected according to the frequency of use, the number of bathers, the number of years of use, etc., the convenience of the user is improved, and the heat exchanger for reheating, the circulation pump, etc. are more effectively used. The dirt adhering to the additional reheating circuit can be discharged to the outside of the apparatus via the bathtub, so that there is an operational effect that generation of scale and mud during bathing can be reduced.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The same parts as those in the conventional example are denoted by the same reference numerals, and detailed description will be omitted.

(Embodiment 1) A bath apparatus in Embodiment 1 of the present invention will be described with reference to FIG.

During the automatic hot water supply operation, the automatic hot water supply opening / closing valve 13 is opened, and the hot water heated by the hot water supply heat exchanger 7 is reheated via the automatic hot water supply opening / closing valve 13 provided in the hot water supply water passage section 14. The hot water is poured into the bathtub 16 by two flow paths of the going pipe 20 and the returning pipe 15 via the heat exchanger 19 and the circulation pump 18.

After the water is automatically poured into the bathtub 16, the bathtub water 17 becomes dirty due to fat, dirt, hair, etc. of the human body upon bathing.
In a state where the automatic hot water supply switch 12 is "on",
Alternatively, when the reheating switch (not shown) is in the “on” state, the circulation pump 18 is operated to circulate the bathtub water 17, and thus the reheating heat exchanger 19, the circulation pump 18, and the outgoing pipe 20.
Also, dirt will adhere to the return pipe 15. When the bathtub water 17 is discharged in this state, the dirt component of the bathtub water 17 attached to the additional heat exchanger 19, the circulation pump 18, the outgoing pipe 20 and the return pipe 15 causes scale and mud.

Therefore, in this embodiment, after bathing, the water level detecting means 21 detects the drainage of the bathtub water 17, and
The automatic hot water supply opening / closing valve 13 provided in the opening pipe 4 is opened.
A predetermined amount of water for cleaning is supplied to the bathtub 16 for a predetermined time from both the zero and the return pipe 15. Therefore, after draining the bathtub water 17, the insides of the additional heat exchanger 19, the circulation pump 18, etc. are washed with clean hot water or water and discharged to the bathtub 16 from the going pipe 20 and the return pipe 15. Since dirt attached to the reheating circuit such as the reheating heat exchanger 19 and the circulation pump 18 is removed to the outside of the apparatus through the bath 16, generation of scale and mud in the bath 16 during bathing is performed. Can be reduced.

Similarly, even when the bath water 17 remains in the flow path, the automatic hot water supply opening / closing valve 13 is opened, and a predetermined amount of water for washing is reheated for a predetermined time for the heat exchanger 19 for reheating and the circulation pump. 18, hot water or water is supplied to the bath tub 16 from both the going pipe 20 side and the return pipe 15 side in two flow paths, and then the bath tub water 17 is drained out of the apparatus, so that heat exchange for reheating is performed. Since dirt attached to the reheating circuit such as the vessel 19 and the circulation pump 18 is removed to the outside of the apparatus, it is possible to reduce the generation of scale and mud in the bathtub water 17 during bathing.

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

During the automatic pouring operation, the automatic hot water supply opening / closing valve 13 provided in the pouring water passage section 14 is opened, and the hot water heated by the hot water supply heat exchanger 7 switches the water flow with the automatic hot water supply opening / closing valve 13. The means for pouring the hot water into the bathtub 16 through the feed pipe 20 via the additional heat exchanger 19 through the means 22 and the circulation pump 1
It is configured to be supplied by both paths on the side where the molten metal is poured into the bathtub 16 through the return pipe 15 via 8.

After the bath is automatically poured into the bath 16, the bath water 17 becomes dirty due to fat, dirt, hair, etc. of the human body upon bathing.
In a state where the automatic hot water supply switch 12 is "on",
Alternatively, when the reheating switch (not shown) is in the “on” state, the circulation pump 18 is operated to circulate the bathtub water 17, and thus the reheating heat exchanger 19, the circulation pump 18, and the outgoing pipe 20.
Also, dirt will adhere to the return pipe 15. If the bathtub water 17 is simply discharged in this state, the dirt component of the bathtub water 17 attached to the additional heat exchanger 19, the circulation pump 18, the outgoing pipe 20, and the return pipe 15 causes scale and mud.

Therefore, in this embodiment, after bathing, after the water level detecting means 21 detects drainage of the bathtub water 17, the automatic hot water supply opening / closing valve 13 is opened and the water flow switching means 22 causes the additional heat exchanger for reheating. 19 through the outgoing pipe 20 through the bathtub 16
And the return pipe 15 through the circulation pump 18
And the side into which the hot water is poured into the bathtub 16 is alternately switched to supply a predetermined amount of water for cleaning to the bathtub 16 for a predetermined time.

Then, the flow rate of the incoming pipe 20 or the return pipe 15 is larger than the flow rate when flowing through the two flow paths of the incoming pipe 20 and the return pipe 15.
After draining the bath water 17, utilizing the fact that the flow rate when flowing from one of the two flow paths is larger and therefore the flow rate is faster,
Cleaning the inside of the additional heat exchanger 19, the circulation pump 18 and the like with fresh hot water or water from a clean water source or the like, and then discharging the water to the bathtub 16 alternately from the going pipe 20 and the returning pipe 15. As a result, dirt attached to the reheating circuit such as the reheating heat exchanger 19 and the circulation pump 18 is removed to the outside of the apparatus, so that the generation of scale and mud in the bathtub water 17 during bathing can be reduced. .

Similarly, even when the bath water 17 remains in the flow path, the automatic hot water supply opening / closing valve 13 is opened and the water flow switching means 22 controls a predetermined amount of water for washing for a predetermined time. By alternately flowing water through the exchanger 19 and the circulation pump 18 to the going pipe 20 and the returning pipe 15 to supply the water to the bath 16, and then draining the bath water 17 out of the apparatus,
In order to more effectively remove dirt attached to the reheating circuit such as the reheating heat exchanger 19 and the circulation pump 18 to the outside of the apparatus,
The generation of scale and mud in the bathtub water 17 during bathing can be reduced.

In the bath apparatus according to the second embodiment, the automatic hot water supply opening / closing valve 13 provided in the pouring water passage section 14 is opened, and the water flow switching means 22 causes a predetermined amount of water to be heated for a predetermined time. Exchanger 19 and circulation pump 18
In the case where the flow is alternately supplied in one flow path to the going pipe 20 side and the returning pipe 15 side and supplied to the bathtub 16 via the flow path, a predetermined flow rate is simultaneously supplied to both the going pipe 20 and the returning pipe 15 for a predetermined time. The flow rate of the flow pipe 20 or the return pipe 15
The flow rate when flowing through one of the two flow paths is larger.

Therefore, depending on the frequency of use, the number of bathers, the number of years of use, etc., when the user arbitrarily flows in two flow paths, one flow path, or one flow path, the going pipe 20 or the return pipe is used. 1
5 to improve the user's convenience and more effectively discharge dirt adhering to the additional heating circuit such as the additional heating heat exchanger 19 or the circulation pump 18. Therefore, generation of scale and mud can be reduced.

In the first and second embodiments, the bath apparatus of the combined type of hot water supply and bath has been described. However, similar effects can be obtained only by the bath function. The same effect can be obtained by using a predetermined amount of hot water for washing and hot water.

[0029]

As described above, according to the first aspect of the present invention, when the automatic hot water supply on-off valve is in the "open" state, a predetermined amount of water for cleaning is supplied to the bathtub from both the going pipe and the returning pipe. By supplying a predetermined flow rate to the bathtub in two flow paths from both the going pipe side and the return pipe side via a heat exchanger and a circulation pump for reheating, Dirt adhering to a reheating circuit such as an exchanger or a circulating pump is discharged to the outside of the apparatus through the bathtub, so that an advantageous effect that generation of scale and mud during bathing can be reduced can be obtained.

Further, in the second aspect of the present invention, the automatic hot water supply on-off valve is provided with a water flow switching means provided at a branch portion of the outgoing pipe and the return pipe in the middle of the water passage section of the automatic hot water supply on-off valve. In this state, the water flow switching means is alternately switched between the outgoing pipe side and the return pipe side to supply a predetermined amount of water for washing to the bathtub. Utilizing the fact that the flow rate when flowing in one flow path to either the outgoing pipe or the return pipe is larger than the flow rate when flowing in the flow path, a predetermined amount of water is passed through the additional heat exchanger. By alternately flowing the water into the outgoing pipe side and the return pipe side via the circulation pump, and supplying it to the bathtub, dirt adhering to the reheating circuit such as the reheating heat exchanger or circulation pump can be more effectively removed from the bathtub. Can be drained out of the device through the Advantageous effect that it is possible to decrease are obtained.

According to a third aspect of the present invention, the water flow switching means is switched between a method in which the water flow is simultaneously supplied to both the forward pipe and the return pipe, and a method in which the water flow is supplied to either the forward pipe or the return pipe. By making it possible, the frequency of use and the number of bathers,
It can be arbitrarily selected according to the years of use, etc.,
While improving the user's convenience, it is possible to more effectively discharge dirt attached to the reheating circuit, such as a reheating heat exchanger or a circulating pump, to the outside of the device via the bathtub. An advantageous effect that generation of scale and mud can be reduced can be obtained.

[Brief description of the drawings]

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

FIG. 2 is a configuration diagram illustrating a main part of a bath apparatus according to a second embodiment of the present invention.

FIG. 3 is a configuration diagram showing a main part of a conventional bath apparatus.

[Explanation of symbols]

 Reference Signs List 13 automatic hot water supply opening / closing valve 14 pouring water passage part 15 return pipe 16 bathtub 17 bathtub water 18 circulation pump 19 heat exchanger for additional heating 20 going pipe 21 water level detecting means 22 water flow switching means

Claims (3)

[Claims] 1. A hot water supply section for supplying hot water to a bathtub, an automatic hot water supply opening / closing valve provided in the hot water supply section, and a heat exchanger for additional heating from the automatic hot water supply open / close valve to the bathtub. A go pipe to guide,
It has a return pipe that guides the automatic hot water supply on-off valve to the bathtub via a circulation pump, a water level detection means provided in the middle of the return pipe to detect the water level of the bathtub, and an automatic hot water supply switch that instructs automatic hot water supply to the bathtub. With a remote control for remote control,
A bath apparatus configured to supply a predetermined amount of water to a bathtub from both the going pipe and the return pipe when the automatic hot water supply on-off valve is open. 2. A pouring water supply unit for supplying hot water to the bathtub, an automatic hot water supply opening / closing valve provided in the pouring water supplying unit, and the automatic hot water supply opening / closing valve is supplied to the bathtub via the additional heat exchanger. A go pipe to guide,
A return pipe leading from the automatic hot water supply on-off valve to the bath tub via a circulation pump, and a water flow switching means provided at a branch of the going pipe and the return pipe in the middle of a water passage section of the automatic hot water supply on-off valve; A state in which the automatic hot water supply opening / closing valve is provided with a water level detecting means provided in the middle of the return pipe and detecting a water level in the bathtub, and a remote control for remote control having an automatic hot water supply switch for instructing automatic hot water supply to the bathtub. A bath apparatus wherein the water flow switching means is alternately switched between the forward pipe side and the return pipe side to supply a predetermined amount of water to the bathtub. 3. The water flow switching means can be selected from a method of simultaneously flowing to both the forward pipe and the return pipe, or a method of flowing to either the forward pipe or the return pipe. The bath apparatus according to claim 2, wherein