JPH07180905A - Bathroom floor surface heating method and bath apparatus for executing the same - Google Patents

Abstract

PURPOSE:To eliminate necessity of installation of a bathroom floor surface heater by heating a bathroom floor surface without executing a special pipe except a pipe from a bath apparatus to a bathtub. CONSTITUTION:A switching valve is inserted to a hot water filling circuit 12 connected from a hot water supplying apparatus to a bathtub 1. Hot water of a capacity or more of the bathtub 1 is supplied from the circuit 12 to the bathtub 1 to allow hot water in the bathtub 1 to overflow, thereby heating a bathroom floor surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathroom floor surface heating method and a bath apparatus for carrying out this method. Hot water from a water heater is sprayed onto the bathroom floor surface to heat the floor surface. With regard to a heating device, the bath floor equipped with this kind of heating device is planned to be simplified so that the bathroom floor surface can be heated without equipping the bathroom with a special pipe or device.

[0002]

2. Description of the Related Art In winter, the bathroom floor is cold and uncomfortable at the beginning of bathing, but in order to eliminate such inconvenience, hot water is sprayed on the bathroom floor to heat the bathroom floor. This is disclosed in Japanese Utility Model Laid-Open No. 63-29015. This product is equipped with a water shower system on the bathroom wall so that hot water can be sprayed on the bathroom floor, and an operation panel for arbitrarily controlling water spray from this facility is attached to the bathroom wall. is there.

With this, when the bathroom floor surface is cold such as in winter, the floor surface can be heated by spraying warm water from the water spray shower device. However, in this conventional device, it is necessary to add a special water sprinkling device in the bathroom in order to heat the floor surface of the bathroom, and the piping and installation work for this are troublesome. Hot water will be supplied to the water sprinkler from a water heater included in the bath device, but since the bath device and the bathtub are normally connected in advance by a predetermined pipe, the above-mentioned prior art is described. With this, extra piping must be installed in addition to the piping for this bathtub.

The present invention has been made in view of the above point, and it is possible to heat a bathroom floor surface by heating the bathroom floor surface without providing any special piping other than the piping from the bath device to the bathtub. The task is to eliminate the need for construction work of the heating device. * Regarding the invention of claim 1

[0005]

[Technical Means] The technical means of the present invention taken to solve the above-mentioned problem is that "an open / close valve is inserted into a water filling circuit (12) connected from a water heater to a bathtub (1), and the water filling circuit ( The hot water in the bathtub (1) is supplied to the bathtub (1) in excess of this capacity from the bathtub (12) so that the hot water in the bathtub (1) overflows from this and the bathroom floor surface is heated ”.

[0006]

The above technical means of the present invention operates as follows. The bathtub (1) is filled with water from a water heater via a water filling circuit (12). When this supply exceeds the capacity of the bathtub (1), the hot water in the bathtub (1) overflows from the top edge of the bathtub to the bathroom floor side. The hot water overflowing from the bathtub (1) flows out from the entire upper edge of the bathtub to the bathtub floor surface, and the hot water warms the bathtub floor surface over a wide range.

When the floor surface of the bathtub is heated to a certain temperature, the water filling from the water filling circuit (12) is stopped.

[0008]

[Effects] The present invention having the above-described structure has the following unique effects. The hot water that overflows from the bathtub (1) heats the bathroom floor surface, eliminating discomfort when taking a bath. Moreover, since no special piping is required for this heating device, the structure of the bath device including the bathroom floor heating device can be simplified.

Regarding the invention of claim 2, the invention of claim 2 is a bath apparatus for carrying out the method of the invention of claim 1, and the technical means therefor is "a water heater (A)". A bath device for filling the inside of a bathtub through a water filling circuit (12) from the bathtub (1) with an auxiliary tank (30) that receives overflow water from the bathtub (1) through an inlet at the upper end. It is connected to the outer surface of the side wall of the water tank, and the amount of overflow water flowing into the auxiliary layer (30) is set to a fixed amount by the opening area of the inlet, and the water filling circuit (1) inside the water heater (A)
The auxiliary tank (13) is provided in 2), and the auxiliary tank (30) and the auxiliary tank (13) are connected by a return path, and separately from this return path, the bottom of the bath (1) and the auxiliary tank (13) are connected. And a communicating path by a forward path which is a part of the hot water filling circuit (12), and a bath circuit (1) by the forward path and the return path, to configure a circulation circuit that connects the auxiliary tank (30) and the auxiliary tank (13), A circulation pump (P) is inserted in the forward path, the circulation pump (P) is maintained in a constantly operating state, the bath (1) is kept full, and all overflow water from the bath (1) is maintained. A weak drive circuit (K ₁ ) for setting the forced circulation capacity of the circulation pump (P) so that the flow of water into the auxiliary tank (30) from the inlet.
And a strong drive circuit (K ₂ ) for setting the forced circulation capacity larger than that of the weak drive circuit (K ₁ ), and a weak drive circuit (K ₁ ) and strong drive provided on the remote control panel (2 b). A switch for selectively electrically connecting the circuit (K ₂ ) to the auxiliary tank (1
3) When the water level inside falls below the set water level, the water heater (A)
A water filling control device for starting the water filling operation by means of and stopping the water filling operation when the water level reaches the set water level. "
That is.

[0010]

The above technical means operates as follows. Bathtub
(1) After the inside of the auxiliary tank (13) reaches a predetermined water level after the inside is filled with water, the water filling controller controls the water heater.
Water filling from (A) is stopped. At this time, the changeover switch is connected to the weak drive circuit (K ₁ ) side, so the circulation pump
The forced circulation capacity of (P) is set by the weak drive circuit (K ₁ ). Therefore, all the overflow water from the bathtub (1) does not flow into the auxiliary tank (30) from the inflow port and overflow to the outside.

After that, prior to bathing, when the bathroom floor surface is heated, the changeover switch is set to the state in which the strong drive circuit (K ₂ ) is turned on. As a result, the circulation pump (P) is brought into a strong operation state in which the forced circulation capacity is set large, and the amount of hot water supplied to the bathtub (1) exceeds the amount of hot water flowing into the auxiliary tank (30). The surplus overflows from the auxiliary tank (30) outside the bath (1). Thereby, the bathtub floor surface is heated.

On the other hand, since the hot water in the bathtub (1) is drawn out, the water level in the auxiliary tank (13) is lowered, so that the hot water filling control device is activated and the hot water supply device (A) is filled with hot water. Bathtub
(1) The inside is restored to full water. Therefore, when the state where the strong drive circuit (K ₂ ) side is conducted by the changeover switch is maintained for a certain period of time, during this period, the state in which hot water overflows from the auxiliary tank (30) is continued and the filling operation is continued. It After that, when the changeover switch is returned to the normal state in which it is connected to the weak drive circuit (K ₁ ), the overflow of hot water from the auxiliary tank (30) is stopped, and immediately after that, the filling operation is stopped, Due to the forced circulation capability of the circulation pump (P) set by the drive circuit (K ₁ ), the bathtub will be kept full of water.

As described above, the hot water can be overflowed from the auxiliary tank (30) outside the bathtub (1) as necessary by operating the changeover switch provided on the remote control panel (2b). The invention of Item 1 can be implemented.

[0014]

[Effect] Since the present invention has the above-mentioned structure, it has the following unique effects. It is convenient because the method according to claim 1 can be arbitrarily performed by operating the opening operation portion of the operation portion (43) provided outside the bathroom. Moreover, since the inside of the bathtub (1) is always kept full of water, there is no fear of dripping on the inner surface of the bathtub and dirt on the inner surface of the bathtub.

Also, since there is always plenty of hot water, you can comfortably take a bath.

[0016]

Embodiments of the present invention will be described below with reference to FIGS. The bath apparatus of the embodiment shown in FIGS. 1 and 2 is
It is an embodiment of an apparatus for carrying out the invention of claim 1, and is a hot water supply circuit (10) via a heat exchanger (11) of a hot water supply (A).
Is branched into a hot water filling circuit (12) for the bathtub (1) and a hot water feeding circuit for another hot water supply place, and an opening / closing valve (33) is inserted in the hot water filling circuit (12).

This on-off valve (33) together with the gas valve (30) inserted in the gas circuit to the combustor corresponding to the heat exchanger (11),
It is designed to be controlled by a controller (C) in the water heater (A) .This controller (C) has a main controller (C ₀ ) for controlling the filling operation and combustion operation, and a bathtub. (1) is equipped with an overflow control device (C ₁ ) for overflowing the hot water,
The output from the water level switch (40) that detects the water level in the bathtub (1) is input to the control device (C).

The water level switch (40) corresponds to the above-described amount of water filling detection means (4) and outputs a predetermined signal when the water level in the bathtub (1) reaches the set water level. The control device (C) receives an operation signal from a bathroom operation panel (2a) arranged in the bathroom and an operation signal from a remote operation panel (2b) arranged outside the bathroom, The remote operation panel (2b) is provided with a water filling switch (21) and a first heating switch (22) for heating the bathroom floor surface, and the other bathroom operation panel (2a) is provided with a second A heating switch (23) is provided.

The water level switch (40) and the first heating switch
Fig. 2 shows the relationship between the switch (22) and the second heating switch (23).
The main controller (C₀) Opening and closing connected in parallel with
Water level switch (40) and water filling switch in the circuit of valve (33)
(21) is inserted, the first heating switch (22) and the second heating switch
The switching signal output circuit (42) consisting of a series circuit of the switch (23)
Separate from the water level switch (40) and the water filling switch (21).
Connected to the on-off valve (33). And this opening and closing
Signal output circuit (42) is the overflow control device (C ₁) Tona
It

The series circuit of the first heating switch (22) and the second heating switch (23) has a structure in which both normally closed and normally open fixed contacts of each switch are directly connected to each other. Four
Open / close valve (33) by any switch, independent of (0)
You can open and close the circuit to. Therefore, in this embodiment, the action described in claim 2 is exerted.

Next, the second embodiment shown in FIG. 3 is the above first embodiment.
A circuit corresponding to the open / close signal output circuit (42) of the embodiment is replaced with a control circuit (45), and this control circuit (45) is replaced with a start switch (24).
And a timer circuit (46). And this timer circuit (46) is a circuit to the open / close valve (33) by connecting the output contact (T ₁ ) of the timer (T) controlled by the starting switch (24) in parallel with the water level switch (40). It is a configuration inserted in. The start switch (24) is arranged on the remote control panel (2b).

Also in this embodiment, as in the first embodiment, the water is automatically filled by the operation of the water filling switch (21), and after completion of the water filling, the start switch (24) is operated as necessary. Hot water can be overflowed from the bathtub (1) and the bathroom floor can be heated if necessary. Further, in this embodiment, the hot water is supplied to the bathtub (1) for the time set by the timer (T), and the heating operation is automatically stopped.

In each of the above embodiments, the hot water supply circuit of the water heater (A) was directly connected to the bathtub (1) to form the hot water filling circuit (12), which was constructed as shown in FIG. May be combined with the pump (P).
(P) and (P) are connected in parallel for synchronous operation. or,
It goes without saying that the water filling amount detecting means (4) can be configured by using a flow rate sensor instead of the water level switch (40).

Further, it goes without saying that the method of the invention of claim 1 can be implemented as a method using a water filling device other than the water filling device as in the above embodiment. In any of the above embodiments, the first heating switch (22), the second heating switch (23), the starting switch (24) or the operating portion thereof corresponds to the operating portion (43) in the section of means.

Next, the invention of claim 1 can be implemented by using the apparatus shown in FIG. 5, and this embodiment corresponds to the embodiment of the invention of claim 2. In the device of this example,
An auxiliary tank (30) for overflow is provided in the bathtub (1), and this auxiliary tank (30) is connected to the auxiliary tank (13) provided in the water filling circuit (12) in the water heater (A). The bottom of the bathtub (1) and the auxiliary tank (13) are communicated with each other, and this communication circuit is part of the water filling circuit (12), and the circulation pump (P) is inserted in the communication circuit. Has been done.

In this case, the circulation pump (P) is constantly operated so that the bath (1) is maintained in a full state. Further, the auxiliary tank (13) is provided with a water level switch (41) so that the water level in the auxiliary tank (13) is maintained constant. Under this condition, in order to allow hot water to overflow from the bathtub (1) to the bathroom floor surface, in this embodiment, the circulation pump (P) can be switched between strong and weak. ) Are separately driven by the weak drive circuit (K ₁ ) or the strong drive circuit (K ₂ ).
The changeover switch for changing over each drive circuit is the first heating switch (22) provided on the remote control panel (2b).

In this embodiment, when the auxiliary tank (30) reaches a predetermined water level after the bath (1) is filled with water, the on-off valve (33) is closed to fill the water. Is stopped. At this time, since the first heating switch (22) is connected to the weak drive circuit (K ₁ ) side, the hot water in the bath (1) does not overflow to the outside of the auxiliary tank (30). After that, prior to bathing, when heating the bathroom floor, operate the first heating switch (22),
Connect to the strong drive circuit (K ₂ ) side. This makes the circulation pump
(P) is in a strong operating state, the amount of hot water supplied to the bathtub (1) exceeds the amount of hot water flowing into the auxiliary bath (30), and the surplus from the bathtub (1) to the outside of the auxiliary bath (30). Overflowing.

After maintaining this state for a certain period of time, when the first heating switch (22) is returned to the normal state, the overflow of hot water from the bath (1) is stopped, and thereafter, the circulation pump (P) is stopped. By this operation, the inside of the bathtub will be kept full of water.

[Brief description of drawings]

FIG. 1 is an overall view of an apparatus according to an embodiment of the present invention

FIG. 2 is an explanatory diagram of a control circuit used for this.

FIG. 3 is an explanatory diagram of another example of the control circuit.

FIG. 4 is an explanatory diagram of another example of the water filling circuit.

FIG. 5 is an explanatory view of an embodiment in which the bathtub is maintained in a full state.

FIG. 6 is an explanatory diagram of a control circuit for this.

[Explanation of symbols]

(1) ・ ・ ・ Bathtub (12) ・ ・ ・ Hot water circuit (A) ・ ・ ・ Water heater (30) ・ ・ ・ Auxiliary tank (13) ・ ・ ・ Auxiliary tank (P) ・ ・ ・ Circulation pump (K ₁ ) ・ ・ ・ Weak drive circuit (K ₂ ) ・ ・ ・ Strong drive circuit

Claims (2)

[Claims] 1. An on-off valve is inserted into a water filling circuit (12) connected from a water heater to the bath (1), and the water filling circuit (12) is connected to the bath.
A bathroom floor surface heating method in which hot water in an amount greater than this is supplied to (1) and the hot water in the bathtub (1) overflows from this to heat the bathroom floor surface. 2. A water heater (A) through a hot water circuit (12)
A bath device that fills the inside of the bathtub from the bathtub (1).
Overflow water is made to flow through the inlet at the upper end and received
Auxiliary tank (30) is installed on the outside of the side wall of the bath (1).
In addition, due to the opening area of the inflow port, the overflow to the auxiliary layer (30)
-Set the flow water inflow to a fixed amount and use the hot water in the water heater (A).
An auxiliary tank (13) is installed in the tension circuit (12), and this auxiliary tank (30)
And the auxiliary tank (13) are connected by a return path.
Separately from the return path, the bottom of the bathtub (1) and the auxiliary tank (13)
Is connected by an outward path that is a part of the water filling circuit (12).
By the way, the bathtub (1) and the auxiliary tank (30) depending on the forward and return routes.
And a circulation circuit that connects the auxiliary tank (13)
Insert the circulation pump (P) in the
And the bathtub (1)
The inside of the bath is kept full and there is no overflow from the bathtub (1).
-All the water will flow into the auxiliary tank (30) through the inlet.
To set the forced circulation capacity of the circulation pump (P).
Drive circuit (K₁) And the weak drive circuit (K₁) Than forced circulation
Strong drive circuit (K ₂) And remote control
Weak drive circuit (K₁) And a strong drive circuit (K₂)When
And a changeover switch for selectively conducting
When the water level in the auxiliary tank (13) drops below the set water level
Start the water filling operation by the water heater (A) and
Water filling control device that stops the water filling operation when the set water level is reached
Bath equipment with a table.