JP2006090643A - Bathroom heating apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bathroom heating apparatus capable of improving safety without bathtub water intruding into a heating line in addition to shortening of a construction period with simple construction and the low-cost addition of a heating function without changing a bathroom unit in a multiple dwelling house or the like. <P>SOLUTION: The bathroom heating apparatus is provided with an external wall through installation type bath heater 11 with hot water supply installed in a through hole of a bathroom external wall with an air supply/exhaust port located outdoors and with a piping connection part located on the wall surface side inside a bathroom; a bathtub 3; a switching mechanism 12 provided halfway in a reheating circulation line of a forward pipe 16 and a return pipe 17 for connecting the bath heater 11 with hot water supply and the bathtub 3; a heating panel 35 with a hot water circulating pipe 5 disposed; and a circulating water tank 27 with a floor heating circulating pump 26 and a heat exchanger 28 installed in the switching mechanism 12. The heat exchanger 28 in the circulating water tank 27 and the heating panel 35 are connected through the floor heating circulating pump 26 to form a heating circulation line 33. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a bathroom heating apparatus suitable for heating a floor surface of a bathroom in a bathroom mainly for home use.

As shown in FIG. 9 as a bathroom floor heating device using hot water, a floor heating lower body 2 installed on the floor surface of the bathroom unit 1 and the like, and a multifunction machine installed outdoors with a heating source in a hot water bath 21 is known. The multi-function machine 21 includes a combusting combustion unit 22 and a recirculation circulation pump 23, a hot water combustion unit 24, a heating combustion unit 25, and a floor heating circulation. The bathroom unit 1 is composed of a pump 26 and the like, and the warm water circulation pipe 5 for warm water circulation is embedded in a snake-like tube on the lower body floor surface for heating the washing floor 6 of the lower body to form an integral molded product. ing.
The hot water circulation pipe 5 integrated unit lower body connected to the floor heating heat exchanger and the floor heating circulation pump 26 of the multifunction machine 21 has a hot water circulation pipe inlet connection portion 9 and a hot water circulation pipe outlet connection portion 10. Yes, each pipe is connected to the floor heating connection port 18 of the multi-function machine 21, water or antifreeze is heated by this floor heating heat exchanger, and hot water is circulated by the floor heating circulation pump 26 to lower the bathroom unit. The unit floor surface through which the body warm water circulation pipe 5 is passed and the warm water circulation pipe 5 is embedded has a structure that is warmed by a heat transfer effect due to the passage of the warm water.

  When the floor heating instruction is issued by operating a switch such as a remote controller (not shown), the water in the circulating water tank 27 is supplied to the heating combustion unit 25 by the floor heating circulation pump 26 of the multifunction machine 21. Then, the floor heating heating pipe 33 of the heating circulation path 33 connecting the multi-function machine 21 and the hot water circulation pipe 5 of the floor of the bathroom unit 1 is heated and heated as the heated combustion part 25 burns and flows into Hot water is supplied to the hot water circulation pipe 5 of the bathroom unit wash floor 6 via 31. When the hot water passes through the hot water circulation pipe 5 embedded in the unit floor, the floor surface is heated by the heat transfer to the unit floor surface to perform floor heating. The hot water deprived of heat by unit floor heating returns to the circulating water tank 27 via the floor heating return pipe 32 of the heating circuit 33. The circulating water tank 27 is provided with a mechanism (not shown) that can supply water when water is insufficient.

In addition, as another bathroom heating device, a switching mechanism provided in the middle of an additional cooking circuit consisting of an outward pipe and a return pipe that connects the bathtub with a hot water supply of the outer wall penetration type and a bathtub, Of hot water through a heating panel with a hot water circulation pipe and returning to the return pipe of the recirculation circuit, and a path of hot water supplied to the bathtub and returning to the return pipe of the recirculation circuit Heating devices that are switched are also known. (See Patent Document 1).
JP 2004-28494 A

  In the case of the bathroom floor heating apparatus shown in FIG. 9 among the above-mentioned ones, the hot water bath tub is mainly used for a detached house, and the bathroom floor heating is used in a bathroom renovation of an apartment house. To replace the bathroom unit, it is necessary to replace the entire bathroom unit, which is expensive and difficult to perform. For floor heating, apart from a hot water hot water bath, at least a dedicated heating combustion section is required, which increases the cost of equipment and hinders the spread of floor heating in bathrooms.

  In addition, the switching path provided in the middle of the outgoing pipe of the circulation path for the additional cooking that connects the bathtub with the hot water supply of the latter outer wall penetration type and the bathtub, the circulation path via the bathtub through the heating panel of the bathroom In the case of a bathroom heating device that switches between a return flow path, a normal memorial path that passes only through the bathtub without going through the bathroom heating panel, and a flow path that passes only through the bathroom heating panel, The additional cooking route is connected via the flow path switching valve, so that the bath water is likely to be mixed into the heating route, and there is a problem that the heating route is clogged by foreign matter.

  The present invention shortens the construction period by simple construction in an apartment house, etc., and can add a heating function at low cost without replacing the bathroom unit, and can improve safety without mixing into the heating path of bathtub water. Provide bathroom heating device.

The present invention relates to the following.
(1) An external wall penetration type hot water bath with hot water supply installed in the through hole of the bathroom outer wall with the air supply / exhaust port located outdoors and the pipe connection part located on the wall surface side in the bathroom, A switching mechanism provided in the middle of the recirculation circuit between the return pipe and the return pipe connecting the hot water hot water bath and the bathtub, a heating panel provided with a hot water circulation pipe, and a floor heating circulation in the switching mechanism A bathroom heating apparatus comprising a circulating water tank in which a pump and a heat exchanger are installed, and connecting the heat exchanger in the circulating water tank and the heating panel via the floor heating circulation pump as a heating circulation path .
(2) The switching mechanism is provided with an on-off valve and a flow path switching valve in the middle of the return pipe of the memorial circuit, one of the flow path switching valves is connected to the outlet side of the circulating water tank, and the other is the circulation of the bathtub The bathroom heating device according to (1), wherein the opening / closing valve is connected to the inlet side of the mouth and the opening / closing valve is connected to the outlet side of the circulation port of the bathtub.
(3) The bathroom heating device according to (1) or (2), wherein the memorial circuit and the heating circuit are connected by a pouring pipe via a pouring on / off valve and can be poured into the heating circuit.
(4) The bathroom heating device according to any one of (1) to (3), wherein the heating panel is provided on the washing floor or on the washing floor and the wall surface.
(Function)

In the bathroom heating device according to the present invention, a switching mechanism that is provided in the middle of the outgoing pipe of the additional cooking circuit and switches between a normal additional cooking path that passes through the bathtub and a path that indirectly heats only the heating path without passing through the bathtub, The floor heating circulation pump provided in the switching mechanism and the circulating water tank in which the heat exchanger is installed, the heat exchanger in the circulating water tank and the heating panel (hot water circulation pipe) are connected to the floor heating circulation pump. It becomes possible to perform three kinds of operation by the heating circulation path connected through.
One of them is a normal reheating function, and the second function is that during normal renewal operation, the water in the heating circuit is heated by the heat exchanger in the circulating water tank, and the circulation pump for floor heating is used. This is a function to send hot water to a hot water circulation pipe disposed in the heating panel by driving the, and simultaneously perform the memorial operation and the floor heating operation of the bathroom.
Furthermore, the third function is to switch the flow path of the circulation path not through the bathtub by the switching mechanism to heat the hot water in the circulation water tank, and the water in the heating circulation path is heated by the heat exchanger in the circulation water tank. This is a function of heating and driving the floor heating circulation pump so that hot water is sent to the hot water circulation pipe of the heating panel and only the floor heating operation of the bathroom is performed.

  According to the bathroom heating device of the present invention, it is possible to add a heating function such as a bathroom washroom floor surface at a low cost without a dedicated floor heating combustion section, and to perform additional cooking operation of the bathtub and floor heating operation. In addition to being able to be performed at the same time, the switching mechanism has a circulating water tank with a floor heating circulation pump and a heat exchanger, and the heat exchanger and the heating panel in the circulation water tank are connected to the floor heating circulation pump. The heating circuit is connected to the bathtub, and the additional cooking circuit for the bathtub and the heating circuit are completely separate, and there is no clogging of the heating path due to mixing of the bath water into the heating path. improves.

The hot water bath with hot water used in the bathroom floor heating apparatus of the present invention has a hot water supply combustion section for hot water supply to a normal shower and washroom, kitchen, etc. It is a bath tank with a hot water supply with a structure with a hot water supply, fitted into the square wall of the balance pot supply / exhaust tube hole on the bathroom outer wall from the inside of the bathroom and fixed to the bathroom wall surface, the main body's supply / exhaust part protrudes outdoors, This is a hot water bath with hot water supply that has an external wall penetrating structure with piping connections for hot water, gas, reheating, etc. on the wall surface side in the bathroom, simplifying the construction, shortening the construction period, and shortening the piping route. Reduce heat loss during floor heating in the washing area.
The main body of the hot water hot water bath with through-wall installation is a gas solenoid valve, a fan, a hot water burner (hot water combustion section), a bath burner (hot water combustion section), and a recirculation pump for forced circulation of bathtub water A heat exchanger for hot water supply and a heat exchanger for remedy are provided, and a controller for controlling these is disposed. Connect the forward and return hot water outlets as pipe connections installed in the bathroom of the main body of the bath and the circulation opening of the bathtub installed in the bathroom with a circulation path (circulation piping) consisting of the forward and return pipes. Allow hot water to circulate between the bath and the bathtub.

  In the heating panel for floor heating in the bathroom washroom, a hot water circulation pipe (resin pipe or metal pipe) is embedded in a snake-like shape inside the panel, and this heating panel is properly placed on the bathroom floor. It arranges in. The heating panel can be disposed not only on the washing floor of the bathroom but also on the wall surface of the bathroom to realize the bathroom heating effect by radiant heat.

The switching mechanism for switching between a normal memorial path that passes through the bathtub and a path that indirectly heats only the heating path without going through the bathtub is a memorial service for the forward and return pipes that connect the hot water bath to the bathtub. It is provided in the middle of the outgoing pipe of the circulation path for operation, and has at least one flow path switching valve and a circulating water tank. A heat exchanger is disposed in the circulating water tank, and a heating circuit including a floor heating circulation pump is connected to the heating panel in the switching mechanism.
The switching mechanism enables simultaneous operation of floor heating and bath tub retreat in the bathroom washing area, floor heating single operation, and single retreat operation.

  The switching mechanism may be either a manual type or an electric type, and mainly a three-way valve or an on-off valve is used. In addition to a method of switching between one three-way valve and one on-off valve, two on-off valves and one reverse valve are used. Either a method using a stop valve or a method using two on-off valves and three check valves may be used.

  In order to reduce the number of actuators used, the switching mechanism has an on-off valve and a flow path switching valve provided in the middle of the memorial circulation path, and one of the flow path switching valves is connected to the outlet side of the circulating water tank. The other is preferably connected to the inlet side of the circulation port of the bathtub, and the on-off valve is preferably connected to the outlet side of the circulation port of the bathtub.

  In order to secure a certain amount of circulating water in the heating circuit, the memorial circuit and the heating circuit are connected by a pouring pipe via a pouring on / off valve so that water can be poured into the heating circuit. Is preferred.

Hereinafter, embodiments of the bathroom heating apparatus according to the present invention will be described in detail with reference to FIGS. 1 to 8.
FIG. 1 is a schematic overall configuration diagram according to an embodiment of a bathroom heating device according to the present invention, FIG. 2 is a schematic overall configuration diagram according to another embodiment of the bathroom heating device according to the present invention, and FIGS. 3 to 5 are FIGS. The element block diagram of the bathroom heating apparatus shown in FIGS. 6-8 is element structure explanatory drawing which shows another Example of the switching mechanism in FIGS. 3-5.

In FIG. 1, a floor heating device for a bathroom 4 includes a bathtub 3 installed in the bathroom 4, and a heating panel in which a hot water circulation pipe 5 is embedded in a resin sheet 36 in a serpentine shape on the surface of a bathroom wash floor 6. 35, a hot water bath 11 with a built-in combustor 22 for commemoration, a circulating pump 23 for commemorative heat, a combustor 24 for hot water supply, and the like, which is installed on the outer wall surface of the bathroom 4 with the air supply / exhaust port facing outside. The hot water bath 11 and the bathtub 3 are communicated with the circulation port 8 of the bathtub 3 through a circulation path 15 (circulation pipe) composed of an outward pipe 16 and a return pipe 17 to supply hot water in the bathtub 3. The recirculation pump 23 for bathing in the attached bath 11 is sucked through the return pipe 17 and heated by the combusting combustion section 22 in the bath 11 with hot water supply, and returned to the bathtub 3 through the forward pipe 16 to perform the memorial service. The configuration is as follows.
FIG. 2 shows a schematic overall configuration diagram according to an embodiment in which the heating panel 35 is arranged on the wall surface of the bathroom 4.

  As shown in FIG. 3, a switching mechanism 12 including a three-way valve (flow path switching valve) 19, an on-off valve 20, and a circulating water tank 27 is provided in the middle of the outgoing pipe 16 of the circulation path 15. The hot water passing through the forward pipe 16 is circulated in the order of the circulating water tank 27, the three-way valve (flow path switching valve) 19, the circulation port 8, and the on-off valve 20, and the flow path for independent operation and the bathtub 3 are not connected. It is configured by pipe connection so that the circulation water tank 27 and the three-way valve (flow path switching valve) 19 can be switched to the circulation path in this order.

  Note that FIG. 3 shows a case where the bathtub 3 is chased alone, and when the switch of the chasing is operated with the remote controller of the hot water bath 11, the switching mechanism 12 is switched to the direction passing through the circulation port 8 and the bathtub 3. The B and C parts of the three-way valve (flow path switching valve) 19 and the on-off valve 20 are opened. 1 and 2, the bath water is sucked from the circulation port 8 through the return pipe 17 of the bathtub 3 and heated by the combustion section 22 for bathing, and then the bathtub 3 is driven. A normal chasing operation for returning to the bathtub 3 from the circulation port 8 is performed through the return pipe 16 and the circulating water tank 27.

  FIG. 4 shows a case of floor heating operation. When the floor heating switch is operated with the remote controller of the hot water bath 11, the switching mechanism 12 switches to the direction of floor heating. In this case, a three-way valve (flow path switching valve) 19 A part and C part will be in an open state, and on-off valve 20 will be in a closed state. The warm water in the circulating water tank 27 is sucked by the driving of the chasing circulation pump 23 and heated by the chasing combustion section 22. Here, the hot water in the heating circulation path 33 is circulated by driving the floor heating circulation pump 26, and is transferred from the hot water in the circulation path 15 to the hot water in the heating circulation path 33 by the heat exchanger 28 in the circulation water tank 27. Heat is generated and floor heating operation is performed.

FIG. 5 shows a case where the chasing and floor heating of the bathtub 3 are operated simultaneously. When the chasing and floor heating switch operation is performed with the remote controller of the hot water bath 11, the switching mechanism 12 switches the circulation port 8 and the bathtub 3. It switches to the memorial flow path that passes, and the B and C sections of the three-way valve (flow path switching valve) 19 are opened, and the on-off valve 20 is opened. By driving the circulation pump 23 for remedy, the bathtub water is sucked from the circulation port 8 through the return pipe 17 of the tub 3 and heated by the combustion section 22 for remedy, and then circulated through the forward pipe 16 of the tub 3. Through the tank 27, a normal chasing operation that returns to the bathtub 3 from the circulation port 8 is performed. On the other hand, the hot water in the heating circulation path 33 is circulated by driving the floor heating circulation pump 26, and heat is transferred from the hot water in the circulation path 15 to the hot water in the heating circulation path 33 by the heat exchanger 28 in the circulation water tank 27. The floor heating operation is performed.
Here, the combusting combustor 22 detects the hot water return temperature of the circulating water tank 27 and controls the combustion so that the set temperature of the hot water of the hot water for the bathtub 3 and the floor heating circulation can be maintained.

  1 to 5 described above, the hot water heated by the combusting combustion unit 22 is provided with one three-way valve (flow path switching valve) 19 provided in the switching mechanism 12 and one on-off valve. At 20, the channel is switched to the memory channel and the floor heating channel, and heat transfer is generated in the heating circulating water by the heat exchanger in the circulating water tank 27. Further, hot water is circulated by a dedicated floor heating circulation pump 26. That is, the heating circuit and the memorial circuit are completely separate paths for one combustion section. Thereby, it becomes possible to independently perform the floor heating operation and the memorial operation, and the convenience can be improved. Further, in this configuration, since the number of three-way valves (flow path switching valves) 19 is one, the structure is easy and can be manufactured at low cost.

  As shown in FIG. 3, the switching mechanism 12 shown in FIGS. 1 and 2 is configured to be switched by one three-way valve (flow path switching valve) 19 and one on-off valve 20, as shown in FIG. As shown in FIG. 7, either a configuration that can be switched by two on-off valves 20 and one check valve, or a configuration that can be switched by three on-off valves as shown in FIG.

  FIG. 8 shows an embodiment in which a hot water on / off valve 38 and a hot water pipe 39 are provided from the follow-up pipe to the heating circuit so as to fill the circulating water in the heating circuit with the circulating water. Usually, water or antifreeze is filled at the time of installation, and the circulation flow rate is detected by a water flow switch 34 provided in the heating circuit after the installation. When the detected flow rate at the water flow switch becomes below the reference, the pouring plug 37 and the pouring valve 38 are opened, the on-off valve and the three-way valve are closed, and a constant flow rate is poured into the heating circuit. At this time, the water to be poured is preferably heated by the hot water supply combustion section 24.

In this embodiment, as a hot water bath 11, it is fitted from the inside of the bathroom into a rectangular hole for the air supply / exhaust port of the bathroom outer wall and fixed to the bathroom wall surface, and the main body part protrudes to the outside, and hot water, water, gas, etc. Although the wall connection installation type (outer wall penetration installation type) has a structure in which the pipe connection portion is arranged on the wall surface side in the bathroom, the outdoor stationary bath heater 11 with hot water supply can also be used.
When the outer wall penetration type hot water bath with hot water supply is used as in this embodiment, the wall penetration type hot water bath with hot water supply and the heating panel 35 are both located inside the bathroom 4. The work from construction to maintenance can be simplified, the floor heating circulation pump 26 for hot water circulation can be reduced in size, and the circulation path is shortened, so that heat dissipation loss during floor heating can be reduced. The effect that can be obtained.
Further, in this embodiment, the heating panel 35 is disposed on the floor surface of the washing place of the bathroom 4. However, if the installation location is inside the bathroom 4, the floor surface of the bathroom or the wall surface is not particularly limited. .

It is a schematic whole block diagram which shows one Example of the bathroom heating apparatus by this invention. It is a general | schematic whole block diagram of the bathroom heating apparatus by another Example with FIG. It is an element block diagram in the case of the bathtub additional cooking of the bathroom heating apparatus shown in FIG.1 and FIG.2. It is an element block diagram in the case of the floor heating operation of the bathroom heating apparatus shown in FIG.1 and FIG.2. It is an element block diagram in the case of the simultaneous operation of the bathtub additional cooking and floor heating of the bathroom heating apparatus shown in FIG.1 and FIG.2. It is element structure explanatory drawing by another Example of the switching mechanism in FIGS. It is element structure explanatory drawing by another Example of the switching mechanism in FIGS. It is element structure explanatory drawing by another Example of the switching mechanism in FIGS. It is a schematic whole block diagram of the bathroom heating apparatus by a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bathroom unit 2 Underfloor heating body 3 Bathtub 4 Bathroom 5 Hot water circulation pipe 6 Washing floor 7 Heating heat source machine 8 Circulation port 9 Hot water circulation pipe inlet connection part 10 Hot water circulation pipe outlet connection part 11 Hot water supply bath pot 12 Switching mechanism 13 Remote control DESCRIPTION OF SYMBOLS 14 Control board 15 Circulation path | route (circulation piping) 16 Outgoing pipe 17 Return pipe 18 Floor heating connection port 19 Three-way valve (flow-path switching valve) 20 On-off valve 21 Multi-function machine 22 Combustion combustion part 23 Recirculation circulation pump 24 Hot water supply combustion section 25 Heating combustion section 26 Floor heating circulation pump 27 Circulating water tank 28 Heat exchanger 29 Bathtub return pipe 30 Bathtub return pipe 31 Floor heating return pipe 32 Floor heating return pipe 33 Heating circulation path 34 Water flow switch 35 Heating Panel 36 Resin sheet 37 Pouring tap 38 Pouring on / off valve 39 Pouring pipe

Claims (4)

Bathtub with hot water supply with external wall penetration type, where the air supply / exhaust port is located outdoors and the connection part of the piping is located on the wall side in the bathroom and installed in the through hole of the bathroom outer wall, the bathtub, and the above bath with hot water supply A switching mechanism provided in the middle of the recirculation circuit between the forward pipe and the return pipe connecting the kettle and the bathtub, a heating panel provided with a hot water circulation pipe, a floor heating circulation pump and a heat in the switching mechanism A bathroom heating apparatus comprising a circulating water tank in which an exchanger is installed, and connecting the heat exchanger in the circulating water tank and the heating panel via the floor heating circulation pump as a heating circuit. The switching mechanism is provided with an on-off valve and a flow path switching valve in the middle of the return pipe of the memorial circuit, one of the flow path switching valves connected to the outlet side of the circulating water tank, and the other connected to the inlet of the circulation port of the bathtub The bathroom heater according to claim 1, wherein the on-off valve is connected to an outlet side of a circulation port of the bathtub. The bathroom heating device according to claim 1 or 2, wherein the memorial circuit and the heating circuit can be connected to each other by a pouring pipe via a pouring on / off valve to pour hot water into the heating circuit. The bathroom heating device according to any one of claims 1 to 3, wherein the heating panel is provided on the washing floor or on the washing floor and the wall surface.

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