JP2003222410A - Combustion equipment device of wall passing through type - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combustion equipment device of wall passing through type, capable of realizing compact combustion equipment of wall passing through type, by reducing dimension in the direction of length and reducing restriction on an installation place. <P>SOLUTION: A circulation pump 25 is provided in a passage of either of an additional heating return pipe 31 and an additional heating going pipe 32 connected through a circulation device 30 provided in a bathtub 9 or the circulation device 30 in end connections 18, 19 of the combustion equipment 1 of wall passing through type installed in a through hole provided on a wall between indoor and outdoor parts so that hot water circulates in the bathtub 9 and the combustion equipment 1 of wall passing through type by the circulation pump 25. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall-penetrating combustion instrument device which is installed in a through hole provided in a wall between indoors and outdoors.

[0002]

2. Description of the Related Art A wall-penetrating burning appliance was developed to allow a large bathtub to be installed in places where there are restrictions such as large housing areas such as large housing areas. It is known that a bathtub installation space is secured by installing a combustion instrument installed in a wall inside a wall (for example, Japanese Patent Laid-Open No. Hei 1
0-213353 gazette).

The installation state of this wall-penetrating combustion appliance will be described with reference to FIG. 6, in which a bathtub 9 is installed in the bathroom 2.
The wall-penetrating combustion appliance 1 is installed in a through hole 4 provided in the wall 3 of the bathroom 2. The wall-penetrating combustion appliance 1 has a casing 5 in which necessary devices such as a heat exchanger and a circulation pump are housed, and a water supply pipe and a hot water supply pipe are provided under the front cover 20 exposed to the bathroom 2 side of the casing 5. Various nipples 7 are provided to which gas supply pipes, outflow pipes to the bathtub 9, return pipes, and the like are connected. A silencer 8 intended to reduce noise of combustion exhaust gas is arranged at a tip end portion of the casing 5 exposed to the outdoor side, and the wall-penetrating combustion appliance 1 is provided on the wall of the bathroom 2. In addition to 3, it can be installed on the wall in the kitchen or dressing room.

The detailed construction of the wall-penetrating combustion instrument 1 will be described with reference to FIG. 7. The burner 13 for hot water supply heat exchanger which heats the heat exchanger 11 for hot water supply from the gas connection port 10 connected to the gas supply pipe. And a gas pipe is connected to the burner 14 for additional heating heat exchanger which heats the additional heat exchanger 12 for additional heating,
Further, the water supply connection port 15 is connected to a hot water supply pipe 17 that is heat-exchanged by the hot water supply exchanger 11 to supply hot water from the hot water supply connection port 16 to a currant and a shower. The pipe connected to 18 is a heat exchanger for additional heating 1
It is heated by 2 and returns to the bathtub 9 from the additional heating connection port 19.

Further, the arrangement of each device in the casing 5 of the wall-penetrating combustion appliance 1 will be described with reference to FIG. 8. The wall-penetrating combustion appliance 1 has a box-like shape in which the front cover 20 is arranged facing the bathroom side. The casing 5 is provided with a hot-water supply heat exchanger 11 and a reheating heat exchanger 12, and a gas burner 13 for the hot-water supply heat exchanger and an additional heating heat exchange are provided below the heat exchanger. The gas burner 14 for a vessel and the gas proportional valve unit 22 are attached to the front cover 20.
A control box 23 is arranged in front of. Further, each heat exchanger 11, 12 and the proportional valve unit 22
And in the gap between the control box 23, the exhaust fan 24, the circulation pump 25, the transformer 26, the water control valve 27,
The structure has a hot water supply amount sensor 28.

[0006]

The wall-penetrating combustion device 1 described in the prior art has the respective heat exchangers 1 as shown in FIG.
The circulation pump 2 is provided between the front cover 1 and the front cover 20, that is, in the wall thickness direction which is the length direction of the casing 5.
5, the exhaust fan 24, the transformer 26, the water control valve 27, and other devices are arranged, so that the dimension L in the length direction of the wall-penetrating combustion appliance 1 shown in FIG. Has become. When the L dimension of the wall-penetrating combustion appliance 1 is long as described above, the dimension of the protruding portion L ₁ from the wall 3 including the exhaust port 29 (see FIG. 8) to the outside of the wall becomes large as shown in FIG. In particular, when the projecting portion outside the wall is installed so as to be located on the aisle side of the building, there is a problem in that the installation location of the wall-penetrating combustion appliance is restricted because it obstructs passage.

According to the present invention, it is possible to make a more compact wall-penetrating combustion instrument by downsizing the instrument, particularly in the lengthwise direction, and to reduce restrictions on the installation place. It is intended to provide a combustion appliance device.

[0008]

The present invention relates to the following. (1) In the casing, a combustion unit, a heat exchanger for hot water supply, and a heat exchanger for reheating that heats water in a bathtub are provided, and at a lower portion of a front cover that covers an opening on the indoor side of the casing,
A wall penetration provided in a through hole provided in a wall between an indoor and an outdoor, which is provided with a connection port to which a hot water supply pipe, a water supply pipe, a gas supply pipe, and an additional heating pipe and an additional heating pipe of the bathtub are connected. In the above-mentioned connection port of the burner type, a reheating tube and a reheating tube are connected through a circulating tool provided in the bathtub, and either in the passage of the reheating tube or the reheating tube, or A wall penetration type combustion instrument device in which hot water circulates in a bathtub and a wall penetration type combustion instrument by a circulation pump provided in the circulation instrument. (2) The wall-penetrating combustion instrument device according to (1) above, wherein the circulation pump is provided in the passage of the additional heating return pipe. (3) The wall-penetrating combustion instrument device according to (1) above, wherein the circulation pump is provided integrally or integrally with the circulation tool.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The hot water supply heat exchanger and the additional heating heat exchanger in the casing are arranged above the combustion section, and the hot water supply heat exchanger exchanges heat between the combustion gas and water from the combustion section. This heats the water, and the heat exchanger for reheating heats the water in the bath circulated in the wall-penetrating combustion device. The front cover that covers the indoor opening of the casing is detachably attached to the casing while covering the indoor opening.

It is more preferable that the circulation pump is provided in the passage of the reboiler return pipe in order to reduce the heat resistance of the circulation pump and air entrainment.

When the circulation pump is provided on the side wall of the bathtub and is connected to the wall penetration type combustion instrument through the additional heating return pipe and the additional heating pipe, the circulation pump is attached to the circulation device. Unify.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a wall-penetrating combustion instrument device according to the present invention will be described in detail below with reference to FIGS. FIG. 1 is an overall configuration diagram of a wall-penetrating combustion instrument device according to an embodiment of the present invention, and FIGS. 2A, 2B and 2C are respectively structure of a casing of the wall-penetrating combustion instrument shown in FIG. 2A is a plan view, FIG. 2B is a side view, and FIG. 2C is a front view. In the figure, the wall-penetrating combustion appliance 1 has a box-shaped casing 5 in which a front cover 20 is arranged facing the bathroom (indoor) side, and a heat exchanger is provided in the casing 5. This heat exchanger communicates with the hot water supply connection port 15, connects with the hot water supply connection port 16 to perform heat exchange of the hot water, and contacts with the additional heating return connection port 18 to add additional heat. A heat exchanger 12 for reheating that is connected to the connection port 19 and performs heat exchange for reheating is provided. As shown in FIG. 2A, the hot water supply heat exchanger 11 and the additional heating heat exchanger 12 are arranged in parallel in the width direction of the casing 5 with their side surfaces adjacent to each other.

Additional heating connection port 18 and additional heating connection port 1
9 is connected to a circulating tool 30, which is installed on the bathtub 9 side and is called a circulating metal fitting or a circulating port, through an additional heating return pipe 31 and an additional heating forward pipe 32.

The circulation pump 25 is integrated with the circulation tool 30 as shown in FIG. 4 or the passageway of the circulation tool 30 and the additional heating return pipe 31 as shown in FIG. Circulating device 3 below the additional heating return connection port 18 of the combustion device 1
0 and a recirculation device for circulating the bath water in the passage of the reheating pipe 31 to circulate the bath water in the passage of the reheating heat exchanger 12 and the bath 9 of the wall-penetrating combustion appliance 1. Is arranged as. The circulation pump 25 is shown in FIGS.
As long as it is provided in the passage between the bathtub 9 and the additional heating return connection port 18 as shown in FIG.

1 and 2, each heat exchanger 11,
A gas burner pipe-connected to the gas connection port 33 is attached below the gas connection port 12. The gas burner is disposed below the hot water supply heat exchanger 11 for heating the water in the pipe connected to the hot water supply connection port 16. Gas burner for hot water supply heat exchanger 1
3 and a gas burner 14 for a heat exchanger for additional heating, which is arranged below the heat exchanger 12 for additional heating, which heats the water in the pipe that communicates with the additional heating return connection port 18. The gas burner 13 for the heat exchanger is the gas burner 1 for the additional heating heat exchanger.
Compared to 4, it is large enough to generate a large amount of heat.
The flow rate of the gas supplied from the gas connection port 33 is controlled by the gas proportional valve unit 22, and each gas burner 13,
14 is supplied.

The gas proportional valve unit 22 is arranged facing the front cover 20, and a control box 23 is arranged above the gas proportional valve unit 22. A thermal fuse and a bimetal switch (not shown) are arranged on the outer periphery of each heat exchanger 11, 12 to prevent overheating.

In the gap between each of the heat exchangers 11 and 12, the gas proportional valve unit 22 and the control box 23, an exhaust fan 24 and a transformer 2 as a power supply means are provided.
6. A water control valve 35 is provided. That is, the exhaust fan 24 is arranged in front of the front cover 20 side of the hot water heat exchanger 11 of the wall-penetrating combustion appliance 1 to forcibly exhaust the air in the casing 5. After the high temperature combustion gas generated by the combustion is heat-exchanged by the heat exchangers 11 and 12, each heat exchanger 1
The gas is discharged from the exhaust top 29 to the outside of the device through the exhaust chamber 34 arranged above the components 1 and 12. A transformer 26 and a water control valve 35 are arranged in a portion surrounded by the additional heat exchanger 12, the exhaust fan 24, and the casing 5. The transformer 26 is a power supply unit that replaces a household AC power supply and supplies power to various control valves and the like, and a water control valve 35.
Controls the amount of water in the hot water supply pipe by the control signal of the control box 23. Exhaust fan 24 and transformer 2
A control box 23 is arranged between the front cover 6 and the front cover 20, and a control mechanism is incorporated in the control box 23.

The control mechanism in the control box 23 is based on data from various sensors including an outside air temperature thermistor and water amount sensors, and electromagnetic valves of the gas burners 13 and 14, a circulation pump 25, an exhaust fan 24 and various types of sensors. A command is output to the water control valve to control the entire wall penetration type combustion instrument 1. The entire front surface of the casing 5 of the wall-penetrating combustion appliance 1 facing the bathroom side is removable.
It is covered with 0.

A bulging portion 37 is formed in the lower portion of the front cover 20 via a taper portion 36. Inside the bulging portion 37, a gas connection port 1 connected to a pipe in a bathroom is formed.
0, a water supply connection port 15, a hot water supply connection port 16, an additional heating return connection port 18, and an additional heating connection port 19 are respectively connected and housed in pipes arranged in the vertical direction.

The supply amount of the tap water supplied to the water supply connection port 15 is detected by the hot water supply water amount sensor 28 provided in the upright portion of the pipe inside the bulging portion 37, and the temperature of the water supply is determined by the water supply thermistor mistor 35. Is detected. And
This data is sent to the control device in the control box 23, and the control of the hot water heat exchanger heat exchanger gas burner 13 is executed according to the conditions such as the set temperature and the designated temperature. Hot water heated by the heat exchanger 13 for hot water supply is connected to a hot water supply pipe 17 from a hot water supply connection port 16 to a curran / shower pipe 17
Is supplied to.

Next, the operation of the wall-penetrating combustion instrument device will be described. When the heating of the bathtub is selected, the circulation pump 25 is operated and the water in the bathtub is heated from the heating return connection port 18. It flows into the wall-penetrating combustion device 1 via the return pipe 31. Then, the additional heating pipe 32 is heated by the additional heating heat exchanger 12 under the control of the setting condition and is connected from the additional heating connection port 19 to the circulation tool 30 installed in the bathtub 9.
Is supplied to. At this time, since the water passing through the additional heating route is at a certain temperature, the heat capacity of the additional heating heat exchanger gas burner 14 is smaller than that of the hot water supply heat exchanger gas burner 13 heated from water. Further, the exhaust fan 24 is arranged in front of the hot-water supply heat exchanger gas burner 13 having a large heat capacity, so that efficient exhaust can be performed.

As described above, the wall-penetrating combustion instrument 1 has the circulation pump 3 which is connected to the bath 9 by using the circulation pump 25 which is conventionally provided in the casing of the wall-penetration type combustion instrument.
0 and the reboiler return pipe 18 or the reboiler forward pipe in the middle of the passage or in the circulation tool 30 itself as a circulation device, the arrangement of the equipment can be performed by utilizing the obtained space in the casing 5. it can. As shown in the embodiment of FIG. 2, the wall-penetrating combustion instrument 1 having this configuration has, for example, a transformer 26 and a water control valve 27 arranged in parallel to the exhaust fan 24 and the front cover 20, and a gas proportional valve. The control box 23 can be arranged above the unit 22. Further, the upright portion of each connecting pipe is provided inside the bulging portion 37 protruding toward the bathroom side of the front cover 20, and the water supply connection port 15, the hot water supply connection port 16, the additional heating return connection port 18, and the additional connection portion are provided below the upright part. The flame connection port 19 and the gas connection port 10 can be accommodated, and the upper portion thereof can be recessed via the taper portion 36 to position the flange of the bathtub 9 to this position, that is, the wall side. As a result, the dimension L in the lengthwise direction of the wall-penetrating combustion instrument 1 shown in FIG. 1 can be shortened, and a more compact wall-penetrating combustion instrument device can be obtained.

[0023]

EFFECTS OF THE INVENTION According to the present invention, in the passage of either one of the additional heating return pipe and the additional heating pipe connected to the connection port of the wall-penetrating combustion instrument through the circulation device provided in the bathtub, or The circulation pump provided in the circulation device circulates the hot water in the bathtub and the wall-penetrating combustion device, and the space inside the casing, which was the installation space for the circulation pump in the past, is used as the space for arranging other devices. As a result, it is possible to reduce the lengthwise dimension of the wall-penetrating combustion device, and as a result, the wall-penetrating combustion device installed in the through-hole provided in the wall between the indoor and the outdoor is installed. It is possible to reduce the size of the protruding portion of the device to the outside.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a wall penetration type combustion instrument device according to an embodiment of the present invention.

2A and 2B are schematic structural views of the casing of the wall-penetrating combustion appliance shown in FIG. 1, in which FIG. 2A is a plan view and FIG. 2B is a side view.
(C) is a front view.

FIG. 3 is an installation diagram showing an embodiment of the wall-penetrating combustion instrument device according to the present invention, in which a circulation pump is provided in the passage of the additional heating return pipe.

FIG. 4 is an installation view showing an embodiment of a wall penetration type combustion instrument device according to the present invention which is different from FIG. 3 and in which a circulation pump is provided integrally with the circulation device.

FIG. 5 shows an embodiment of a wall-penetrating combustion instrument device according to the present invention, which is different from FIGS. 3 and 4, and is installed when a circulation pump is provided below an additional heating return connection port of the wall-penetrating combustion instrument. It is a figure.

FIG. 6 is an explanatory diagram showing an installed state of a wall-penetrating combustion appliance according to a conventional example.

FIG. 7 is an overall configuration diagram of a state in which a wall-penetrating combustion device according to a conventional example is installed.

FIG. 8 is a schematic structural view of a casing of a wall-penetrating combustion appliance according to a conventional example, (a) is a plan view, (b) is a side view,
(C) is a front view.

[Explanation of symbols]

1 Wall Penetration Type Combustion Equipment 2 Bathroom 3 Wall 4 Through Hole 5 Casing 7 Casing 7 Nipple 8 Silencer 9 Bathtub 10 Gas Connection Port 11 Hot Water Heat Exchanger 12 Heating Heat Exchanger 13 Hot Water Heat Exchanger Gas Burner 14 Reheating Heat Exchange Gas burner 15 Water supply connection port 16 Hot water supply connection port 17 Hot water supply pipe 18 Reheating connection port 19 Reheating connection port 20 Front cover 22 Gas proportional valve solenoid valve unit 23 Control box 24 Exhaust fan 25 Circulation pump 26 Transformer 27 Water control Valve 28 Hot water supply amount sensor 29 Exhaust port 30 Circulating tool 31 Boiler return pipe 32 Boiler feeding pipe 34 Exhaust chamber 35 Hot water supply thermistor 36 Taper part 37 Bulging part L Lengthwise dimension of wall penetration type combustion appliance L ₁ Outside wall Protruding dimension

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mineo Otsuka             1250 Shimoeren, Shimodate City, Ibaraki Prefecture Stock Association             Hitachi House Tech Yuki factory F-term (reference) 3L037 CA03 CB03

Claims (3)

[Claims] 1. A casing is provided with a combustor, a heat exchanger for hot water supply, and a heat exchanger for reheating that heats water in a bath, and a lower portion of a front cover that covers an opening on the indoor side of the casing, A wall penetration provided in a through hole provided in a wall between an indoor and an outdoor, which is provided with a connection port to which a hot water supply pipe, a water supply pipe, a gas supply pipe, and an additional heating pipe and an additional heating pipe of the bathtub are connected. In the above-mentioned connection port of the burner type, a reheating tube and a reheating tube are connected through a circulating tool provided in the bathtub, and either in the passage of the reheating tube or the reheating tube, or A wall penetration type combustion instrument device in which hot water circulates in a bathtub and a wall penetration type combustion instrument by a circulation pump provided in the circulation instrument. 2. The wall-penetrating combustion instrument device according to claim 1, wherein a circulation pump is provided in the passage of the additional heating return pipe. 3. The wall-penetrating combustion instrument device according to claim 1, wherein the circulation pump is provided integrally with or integrally with the circulation tool.