JP2001193953A - Bathroom floor-heating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bathroom floor-heating device that can be easily installed afterward. SOLUTION: A hot water pipe 5 is fitted to a hot water mat 3 being laid on the floor of a bathroom. Hot water pipes 51 and 53 at the entering and exiting sides of the hot water mat are connected to the inlet and outlet of the hot water pipe 5, and are bent while the hot water pipes 51 and 53 can be hung on the edge of a bathtub. In the entering-side hot water pipe 51, a battery-type pump 7 is provided. When a pump 5 is actuated while hot water is being stored in the bathtub, the hot water in the bathtub is drawn from the entering side pipe 51. The drawn water circulates in the hot water pipe 5 by the pressure of the pump 7, heats the hot water mat 3, and is returned to the bathtub from the exiting side pipe 53.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a device for heating a bathroom floor. In particular, it relates to a bathroom floor heating device that can be easily installed in an existing bathroom.

[0002]

2. Description of the Related Art FIG. 4 is a diagram showing an installation state of a general hot water heating system including floor heating. This hot water system has a heat source device 60 installed outdoors. In addition, it has a fully automatic bath 71 and a bathroom heater / dryer 73 installed in the bathroom. Furthermore, an air conditioner 8 installed in a general room
1, a heating device such as a heating device 83 and a floor heating device 85 are provided. The heat source device 60 and each heating device are connected by a forward and return circulation pipe or a supply pipe, and hot water of a predetermined temperature is supplied to each section through the pipe.

The heat source unit 60 includes a burner and a fan (not shown),
A heat exchanger and the like are provided. In the burner, combustion gas supplied from a gas supply source is mixed with air sent from a fan and burns to generate combustion gas. The hot water heat exchanger is heated by the combustion gas and the radiant heat of the burner flame, and the water supplied from the water supply pipe is heated to a predetermined temperature. Heat source unit 60
Some of the higher grade models can supply two types of hot water, high temperature (80 ° C for one example) and low temperature (60 ° C for one example).

[0004] Hot water is supplied to a hot water tap 75 for a fully automatic bath 71 or a shower in a bathroom from a hot water supply pipe branched from a hot water supply pipe. Hot water in the bathtub is sent to the heat source unit 60 through the return pipe of the circulation pipe and is heated to a predetermined temperature by the heat exchanger, and this hot water is sent to the bathtub through the outgoing pipe. This circulation controls the temperature of the hot water in the bathtub. It should be noted that the hot water in the bathtub and the hot water in the other circulation system / supply system flow on different routes so that they do not mix.

[0005] Hot water of a predetermined temperature is sent to the bathroom heater / dryer 73 through a circulation pipe, and exchanges heat with surrounding air to generate hot air. Air conditioner 81 for room, Heating machine 8
The hot water of a predetermined temperature is also sent to the cooling water pipe 3 through the circulation pipe, and exchanges heat with the surrounding air to generate hot air.

[0006] The floor heating device 85 for a room generally has a plurality of hot water mats laid under the floor. Hot water mats are made of lightweight insulation. A groove is formed on the upper surface of the mat so as to meander, and a hot water pipe is fitted into the groove. The hot water pipe of each hot water mat is connected, and both ends of the hot water pipe are connected to the heat source device and the forward and return circulation pipelines. When hot water of a predetermined temperature is supplied to the hot water pipe, heat is transmitted from the mat to the floor, and the room is heated from the floor.

[0007]

When a floor heating device is provided in a bathroom, a structure similar to the above-described room floor heating device is installed. If this bathroom floor heating device is installed in the bathroom after installation, it is necessary to install a new hot water circulation pipe in the bathroom that connects to the heat source equipment installed outdoors, or to lay a hot water mat under the floor of the bathroom. is there. This construction requires a long time and cost.

The present invention has been made in view of such problems, and has as its object to provide a bathroom floor heating device that can be easily retrofitted.

[0009]

In order to solve the above-mentioned problems, a bathroom floor heating device according to an embodiment of the present invention includes a mat (including a radiator) having a hot water circulation path (radiator tube) laid on a bathroom floor.
And circulating means for circulating hot water in the bathtub through the hot water circulation path. When installing floor heating after installation, it is only necessary to install mats and saws on the floor, and there is no need to perform construction work under the floor. In addition, since hot water uses hot water in a bathtub, there is no need to provide a conduit that connects to a heat source device installed outdoors. in this way,
It is inexpensive, can easily install floor heating in an apartment house, and does not require hot water supply piping work.

[0010] In this aspect, the circulating means includes:
It preferably includes a battery powered pump. By using a battery type, wiring work for electric wires is not required.

Further, the circulation means may include a reciprocating hot water pipe which is hung on the wall of the bathtub. In this case, a battery-type pump may be provided in the middle of the hot water reciprocating pipe. The floor heating device can be easily installed without taking up space in the bathroom.

Further, as the circulating means, a pump power for jet water flow of a jet bath can be used. In this case, there is no need to provide a battery-type pump or the like.

The floor heating apparatus of the present invention has a sensor for detecting the level of the hot water in the bathtub, and when the level of the hot water rises to the height of the hot water pipe, the circulating means is automatically operated to supply hot water to the mat. It is also preferable to circulate the water. By automatically operating when hot water is stored up to a predetermined surface in the bathtub, the floor surface can be kept warm during bathing.

Further, a timer may be provided, and when the time counted by the timer reaches a predetermined time, the circulation means may be automatically stopped. Floor heating can be automatically turned off after the standard bathing time has elapsed.

[0015] Further, a function of discharging hot water from the hot water circulation path of the mat after the operation is completed may be provided. By draining the water inside the mat when not in use, the mat can be easily moved and cleaned. Further, it is possible to prevent dirt in the circulation pipeline.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1A is a schematic perspective view showing a state in which a bathroom floor heating device according to one embodiment of the present invention is installed in a bathroom.
(B) is a partial sectional view of the floor heating mat. The bathroom floor heating device 1 includes a hot water mat 3 laid on the floor of the bathroom, a hot water pipe 5 fitted in the hot water mat 3, and inlet and outlet hot water pipes 51, 5 arranged between the hot water mat 3 and the bathtub.
3, a pump 7, a water level sensor 9, and the like.

The hot water mat 3 is made of a lightweight and relatively strong heat insulating material such as foamed polyurethane. The mat 3 has a size occupying a certain portion of the bathroom floor. The hot water pipe 5 is fitted into a loop-shaped groove 11 meandering on the upper surface of the hot water mat 3 to form a radiating pipe. The hot water pipe 5 is made of a flexible material such as cross-linked polyethylene. On the upper surface of the hot water mat 3 and the hot water pipe 5 fitted into the hot water mat 3, a sheet 13 having heat conductivity and strength, such as aluminum, is attached. The heat transfer sheet 13 uniformly transmits the heat released from the hot water pipe 5 to the upper surface of the hot water mat 3 to heat the floor evenly.

The inlet and outlet of the hot water pipe 5 are provided on the sides near the corners of the mat 3. One end of the hot water pipe 51 on the side of the hot water mat 3 is connected to the inlet of the hot water pipe 5 in the mat 3, and the other end enters the bathtub. Similarly, the hot water pipe 53 on the outlet side of the hot water mat 3
Has one end connected to the outlet of the hot water pipe 5 in the mat 3, and the other end entering the bathtub.

The hot water pipes 51 and 53 on the entrance and exit sides of the portion coming out of the hot water mat 3 are curved so as to be hung on the edge of the bathtub. That is, both hot water pipes 5
Numerals 1 and 53 extend from the hot water mat 3 to the upper edge of the bathtub along the outer surface of the bathtub, fall along the inner surface surrounding the upper edge, and reach a predetermined position in the bathtub. By adopting such a shape, if the lid of the bathtub is slightly shifted, the hot water pipes 51 and 53 can always be installed in the bathtub even with the lid kept. Further, the hot water mat 3 and the hot water pipes 51 and 53 at the portions protruding from the mat 3 are connected so as to be detachable by a water-tight connecting member.

The hot water pipe 51 on the hot water mat entry side is provided with a battery-powered pump 7. When this pump 5 is operated with hot water stored in the bathtub, the inlet pipe 5
Hot water in the bathtub is pumped up from 1. The pumped hot water circulates in the hot water pipe 5 fitted in the hot water mat 3 by the pressure of the pump 7, and is returned to the bathtub from the outlet pipe 53.

Inlet and outlet hot water pipes 51, 53
A water level sensor 9 is provided at a predetermined position (for example, at a position 40 cm from the floor of the bathtub) of the portion that has entered the bathtub. The water level sensor 9 detects the height of the hot water level in the bathtub, and emits a signal when the hot water is poured to a predetermined position. The sensor 9 is connected to the pump 7, and when a signal is sent to the pump 7, the pump 7 operates. As described above, when a predetermined amount of hot water is stored in the bathtub, the pump 7 is automatically operated, and the hot water is circulated through the hot water mat 3 to heat the floor. Further, the pump 7 may be provided with a manual switch 15. Further, the pump 7 has a built-in timer so that a desired operation time can be set.

FIG. 2 is a flowchart showing the operation of the bathroom floor heating device of FIG. First, in S1, the operation time (for example, 2 hours) of the bathroom floor heating device is set. next,
In S1, the height of the hot water level in the bathtub is detected by the water level sensor 9.
When the level of the molten metal reaches a predetermined level, a signal is sent from the sensor 9 to the pump 7, and the pump 7 is operated in S3. By the operation of the pump 7, hot water (about 40 ° C.) in the bathtub is pumped up through the hot water mat inlet pipe 51. Also, S
At 4, the timer starts counting.

At S5, the pumped hot water circulates in the hot water pipe 5 arranged to meander in the hot water mat 3. At this time, the upper surface of the hot water mat 3 is warmed by heat radiation from the hot water pipe 5 through the heat transfer sheet 13. The hot water circulated in the hot water mat 3 passes through the outlet pipe 53,
Returned to the bathtub. The temperature of the hot water returned into the bathtub has been lowered due to the heat radiation in the circulation pipeline, but the temperature of the hot water in the bathtub can be maintained in the case of an automatic reheating bath.

Next, it is determined in S6 whether the timer has counted the time set in S1, and if it has counted the predetermined time, the operation of the pump 7 is terminated in S7. After the operation is completed, the hot water mat 3 and the hot water pipes 51 and 53 on the inlet and outlet sides of the mat 3 are removed, and the hot water stored in the hot water pipe 5 in the hot water mat 3 is discharged. In addition, the water level sensor 9 detects the water level of the water surface when the hot water in the bathtub is drained,
When the hot water level falls below a predetermined position, the pump 7 may be operated to drain hot water from the hot water pipe 5 in the hot water mat 3.

FIG. 3 is a diagram schematically showing a state in which a bathroom floor heating device according to a second embodiment of the present invention is installed in a bathroom. The bathroom floor heating device of this example is installed in a jet bath, a hot water mat 3, a hot water pipe 5 fitted in a groove meanderingly formed in the hot water mat 3, a jet outlet of a jet bath. It comprises an incoming hot water pipe 51 disposed between the hot water mat 3 and the hot water mat 3, and an outgoing hot water pipe 53 disposed between the hot water mat 3 and the bathtub.

The configuration of the hot water mat is the same as that of the hot water mat of FIG. In this example, one end of the inlet pipe 51 is connected to the fitting mounting port of the jet outlet 21 of the jet bath, and the other end is connected to the inlet of the hot water pipe 5 in the hot water mat 3. . One end of the outlet pipe 53 is connected to the outlet of the hot water pipe 5 in the hot water mat 3, and the other end enters the bathtub. When the jet-type bus is operated, hot water is sent to the hot water pipe 5 of the hot water mat 3 through the inlet pipe 51 by the power of the jet water flow pump. The hot water circulates through the hot water pipe 5,
The upper surface of the hot water mat 3 is warmed by heat radiation from the hot water pipe 5 through the heat transfer sheet 13. The hot water circulated through the hot water mat 3 passes through the outlet pipe 51 and is returned to the bathtub. The bathroom floor heating device of this example does not require a pump or a water level sensor.

[0027]

As apparent from the above description, the present invention has the following effects. (1) To use hot water in the bathtub as a heat source for heating,
There is no need for piping work from the heat source equipment installed outdoors to the bathroom. Also, there is no need to install a hot water mat on the bathroom floor. Therefore, it can be installed or retrofitted in various existing hot water supply type bathrooms. (2) Since the structure is simple, the mounting work is easy,
The price of the main body is also cheap. (3) When the hot water circulation pump is of a battery type, there is no need to take the power supply into the bathroom, and no electrical work or wiring is required.

[Brief description of the drawings]

FIG. 1A is a schematic perspective view showing a state in which a bathroom floor heating device according to one embodiment of the present invention is installed in a bathroom;
(B) is a partial sectional view of the floor heating mat.

FIG. 2 is a flowchart showing an operation of the bathroom floor heating device of FIG. 1;

FIG. 3 is a diagram schematically showing a state in which a bathroom floor heating device according to a second embodiment of the present invention is installed in a bathroom.

FIG. 4 is a diagram showing an installation state of a general hot water heating system including floor heating.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Bathroom floor heating device 3 Hot water mat 5 Hot water pipe 7 Pump 9 Water level sensor 11 Groove 13 Heat transfer sheet 15 Manual switch 51 Incoming hot water pipe 53 Outgoing hot water pipe

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Koichiro Ito 1-5-20 Kaigan, Minato-ku, Tokyo Inside Tokyo Gas Co., Ltd. (72) Masaharu Itagaki 1-5-20 Kaigan, Minato-ku, Tokyo, Tokyo F Term in Gas Co., Ltd. (Reference) 3L072 AA02 AB06 AC05 AD02 AF00

Claims (8)

[Claims] 1. A mat having a hot water circulation path (radiating pipe) spread on a floor of a bathroom, and a circulation means for circulating hot water in a bathtub through the hot water circulation path. Bathroom floor heating system. 2. The bathroom floor heating device according to claim 1, wherein said circulating means includes a battery-powered pump. 3. The bathroom floor heating device according to claim 1, wherein said circulating means includes a reciprocating hot water pipe configured to hang on a wall of the bathtub. 4. The bathroom floor heating device according to claim 3, wherein a battery-operated pump is provided in the middle of the hot water reciprocating pipe. 5. The bathroom floor heating device according to claim 1, wherein a pump power for jet water flow of a jet bath is used as said circulation means. 6. A sensor for detecting the level of the hot water in the bathtub,
2. The bathroom floor heating device according to claim 1, wherein when the hot water level rises to the height of the hot water pipe, the circulating means automatically operates to circulate hot water through the mat. 7. The bathroom floor heating device according to claim 1, further comprising a timer, wherein when the time counted by the timer reaches a predetermined time, the circulating means stops automatically. 8. The bathroom floor heating device according to claim 1, wherein the hot water in the hot water circulation path of the mat is discharged after the operation is completed.