JP4601211B2 - Sauna equipment - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a sauna apparatus, and more particularly to a sauna apparatus using gas or oil as fuel.
[0002]
[Prior art]
For a long time in Europe, stones called sauna stones have been placed on top of furnaces that use firewood and coal as fuel, and the sauna room is heated by air convection and far infrared radiation from the sauna stones, and water is applied to the sauna stones. In general, saunas of the type that generate steam and humidify the sauna room have been widely used. However, saunas called Finnish saunas that use electric power as a heat source have become widespread throughout the world.
[0003]
On the other hand, in Japan, a far-infrared type sauna that burns gas inside the combustion tube, emits far-infrared rays from the high-temperature combustion tube, and heats the sauna room is proposed by Japanese Patent Publication No. 60-168455, etc. Furthermore, a technique for increasing the humidity by generating water vapor and aroma in the sauna room and further enhancing the sauna bath effect by the aroma is disclosed in Japanese Patent Laid-Open No. 9-56770 and is gradually spreading.
[0004]
On the other hand, in Europe, which should be called the hometown of saunas, it is more energy-saving to use gas combustion heat as a heat source than electric power as a heat source, and the running cost is lower, so instead of the conventional electric sauna heater, gas Sauna using the heat of combustion as a heat source is spreading.
[0005]
This sauna heater is composed of a heat radiation tube provided in the sauna chamber and a burner provided in a machine room adjacent to the sauna chamber and having a combustion tube connected to the heat radiation tube, and the combustion gas generated in the combustion tube Is discharged to the outside air through a heat radiation tube.
Since the combustion pipe has a considerable length, it is problematic not only to take a place but also to save the heat economy. Therefore, a part is drawn into the sauna room, but since the combustion pipe is heated to a temperature higher than the ignition temperature of the wood, a special device is provided for the combustion pipe inlet of the sauna room.
[0006]
For example, in the product of Westenberg, a well-known manufacturer, NW pyramid type sauna gas oven, a heat-dissipating tube wound in a substantially pyramid-shaped coil with a hem extending downward is provided in the water-resistant housing. A sauna oven with many sauna stones stacked on top is used, but one end of the heat radiation pipe wound in a pyramid shape is connected to a combustion pipe that leads to a burner provided in the machine room The combustion pipe penetrates the wall surface of the sauna room, one half is provided in the machine room and the other half is provided in the sauna room.
[0007]
A through hole having a diameter much larger than the diameter of the combustion pipe is provided in the through portion of the combustion pipe, and a cooling air pipe having a diameter larger than that of the combustion pipe is provided coaxially with the through hole and between the inner wall of the through hole. The combustion pipe is fixed through a partition plate that can close the gap between the through hole and the inner wall of the through hole, and the outside air flows into the sauna chamber through the gap between the cooling vent pipe and the combustion pipe. The combustion tube is cooled and heat of the combustion tube is not transmitted to the side wall of the sauna chamber.
[0008]
However, this sauna apparatus has a serious problem in fire prevention.
That is, the sauna room has a higher possibility of fires than other rooms, such as high temperature, low relative humidity, and a lot of flammable wood. Instructing the sauna room to have an independent fireproof structure when constructing the sauna room.
[0009]
Considering the structure of this gas sauna from such a viewpoint, when a fire occurs in the sauna room, flames and smoke easily flow into the machine room through the gap between the cooling vent pipe and the combustion pipe. As the fire spreads, this sauna room is not recognized as an independent fireproof structure and therefore its installation is not permitted.
Although it is conceivable to prevent the spread of fire by closing the through hole by providing a partition plate, if the air flow is cut off in this way, the combustion tube on the machine room side of the partition plate is not cooled but overheated Newly occurs.
[0010]
The combustion chamber and fuel gas for the gas sauna are supplied to the machine room, so if it spreads out, it can easily become a fire and even an explosion flame, and this sauna device has a serious safety defect. .
Also, with this structure, most of the combustion pipes are projected outside the sauna room, which occupies a great deal of space, so it is difficult to install in a narrow Japanese house and there is a great risk of fire. There is also a problem that the heat radiated from this part is wasted.
[0011]
Furthermore, in this sauna device, a sauna stone is loaded on the combustion tube or heat radiation tube, and water is applied to this to increase the humidity in the sauna room. Therefore, compared with a gas far infrared sauna device that does not use a sauna stone. There is a problem that the volume of the combustion chamber and the heat transfer area are increased, and the apparatus becomes excessive.
In addition, since the water applied to the sauna stone directly touches the combustion pipe and the heat radiating pipe, particularly the welded portion thereof, there is a problem that these pipes are deformed and cracked.
In addition, if a burner and a combustion tube are installed in the combustion chamber, the thermal efficiency can be increased and the floor area can be minimized. However, in the conventional configuration, the sauna bather is burned by infrared rays, or a fire occurs in the sauna chamber. Various dangers arise.
[0012]
[Problem to be Solved by the Invention]
The present invention has been made to solve the above-mentioned problems. The purpose of the present invention is, firstly, a new and safe sauna apparatus constructed so that the sauna room is recognized as a complete fireproof structure. Is to provide.
The second object of the present invention is that there is no risk of burns or fire even though the burner is installed in the sauna chamber or in the mounting hole provided in the side wall thereof, and the combustion tube is completely installed in the sauna chamber, For this reason, the floor area of the machine room can be minimized, and combustion heat is not dissipated unnecessarily, and a highly efficient and economical sauna apparatus is provided.
Furthermore, even when the combustion pipe is provided outside the sauna room, a sauna apparatus is supplied that does not impair the thermal efficiency and does not cause fire or burns.
[0013]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides a sauna apparatus configured to supply combustion gas generated in a combustion tube connected to a burner to a heat radiating tube provided in the sauna chamber to increase the temperature in the sauna chamber. The ventilating cooling pipe provided coaxially so as to contain the combustion pipe connected to the burner, the pusher blower provided in the machine room, the blower opening of the pusher blower, and the ventilating cooling pipe communicate with each other. The ventilation cooling pipe is cut off from communication with the burner, and the air supplied into the ventilation cooling pipe from the forced blower is discharged into the sauna room, the sauna room and the A burner mounting hole having an inner diameter larger than the outer diameter of the burner is provided in a partition wall partitioning the machine room, and a mounting plate capable of closing a gap between the inner wall surface of the burner mounting hole and the burner. And, characterized in that fitted with the burner into the burner mounting hole.
[0014]
When it is provided in the sauna room including the banner, the combustion tube does not have to penetrate the wall of the sauna room, so that the sauna room can be easily made a complete fireproof structure.
In addition, when the burner is provided outside the sauna room, the ventilation cooling pipe is not overheated so that the side wall of the sauna room can be hermetically penetrated. It can be a fireproof structure.
Also, since the combustion tube that is heated to a high temperature is not exposed and intense infrared radiation is not generated, there is no risk of burns or fire even if it is installed in the sauna room.
[0016]
The shape of the heat radiation tube is not particularly limited, but it is recommended to use a heat radiation tube formed in a U-shape in a horizontal plane and connected in multiple stages in the vertical direction. In another embodiment, a coil wound in a pyramid shape is used along a rectangular chord winding in which the distance between opposite sides increases sequentially from above to below. Combustion tubes are connected to the top side end portions of these heat radiation tubes, and the bottom side end portions are drawn out of the sauna chamber, and if necessary, forced exhaust is performed by a suction exhaust blower. Therefore, it is recommended to provide a small hole for draining at the lowermost part of the heat radiating tube.
It is desirable to provide an evaporating dish for humidification above these heat radiation tubes with an appropriate gap therebetween. A sauna stone may be placed on the evaporating dish for humidification.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is an explanatory diagram showing the configuration of the main part of the aforementioned known Westenberg sauna oven, FIG. 2 is a sectional view showing the configuration of the main part of the sauna apparatus according to the present invention, and FIG. The top view which shows the structure of a heat sink, the sauna stone, and the evaporating dish which mounted it in one Example of the sauna apparatus shown in FIG. 4, FIG. 4 is a side view of the apparatus shown in FIG. 3, FIG. FIG. 6 is a side view showing the upper structure of the heat radiating pipe in the second embodiment different from that shown in FIGS. 3 and 4, and FIG. 3 is a portion in the vicinity of the through hole. FIG. 7 is an enlarged cross-sectional view, and FIG. 7 is an explanatory view showing the arrangement of a part of a sauna bath bench and a radiator pipe in these embodiments.
[0018]
In FIG. 1, 101 is a sauna room, 102 is a machine room, 103 is a fireproof partition wall, 104 is a through hole provided in the partition wall 103, 105 is a heat insulating partition plate, 106 is a combustion pipe, 107 is a ventilation gap, 108 Is a burner control device, 109, 110 and 111 are heat radiation tubes, 112 is a through hole of the heat radiation tube 111, 113 is a heat insulating gap, 114 is a suction blower, and 115 is a cooling air blow tube.
[0019]
The sauna room 101 and the machine room 102 are partitioned by a partition wall 103. The partition wall 103 is provided with a large-diameter through hole 104 for allowing the combustion pipe 106 connected to the crater of the burner 108 to pass through the machine wall 102. ing.
One half of the combustion tube 106 is in the machine chamber 102, and the other half is inserted into the sauna chamber 101 and communicates with the most upstream end 109 of the heat radiation tube. The main part 110 of the heat radiation tube is wound in a pyramid shape so that the diameter gradually increases from the top to the bottom, and the most downstream end 111 is a through-hole provided in the partition wall through a gap 113. It is drawn out again to the machine chamber 102 through the hole 112 and connected to the suction of the suction blower 114.
[0020]
In a portion where the combustion pipe 106 passes through the through hole 104 of the partition wall 103, a cooling ventilation pipe 115 is provided between the inner wall surface of the through hole 104 and the outer surface of the combustion pipe 106, and the cooling ventilation pipe 115 is a heat insulating partition plate. 105, the through hole 104 and the combustion pipe 106 are held coaxially through appropriate gaps 104 and 107, respectively.
That is, a heat insulating gap 104 is provided between the cooling ventilation pipe 115 and the through-hole 104, and a ventilation cooling gap 107 is provided between the combustion pipe 106 and when combustion is performed, Due to the drafting action caused by the warm air, the outside air flows through the ventilation cooling gap 107 to the sauna chamber side, so that the combustion pipe 106 is appropriately cooled and its overheating is prevented.
[0021]
Normally, however, sauna stones are clogged around and above the heat radiating pipe 110, but even if configured in this manner, the combustion gas at the inlet of the heat radiating pipe is appropriately reduced. Even if loaded, the combustion tube 106 is not overheated.
If it is assumed that the combustion tube 106 is housed only in the sauna chamber 101, the combustion gas flowing into the heat radiating tube 110 is lowered to an appropriate temperature. Therefore, a long and large combustion tube must be provided, and the combustion tube Although it may be necessary to configure so that no sauna stone is loaded on 106, a thin and short combustion tube is sufficient by configuring as described above. However, this configuration has significant fire protection issues and thermal efficiency problems as described above.
[0022]
That is, the sauna room 101 has a higher possibility of fires than other rooms, such as high temperature, low relative humidity, and high flammability wood. The room 101 is required to have an independent fireproof structure.
Considering this structure from such a viewpoint, when a fire occurs in the sauna room 101, flames and smoke leak into the machine room through the ventilation cooling gap 107, and conversely, combustion air flows into the sauna room. If the fire is intensified and there is a case where explosive combustion occurs, flames and smoke are easily ejected into the machine room 102, and a fire is caused to the machine room 102. Furthermore, the gap 112 has the same danger.
[0023]
Since the combustion air and the fuel gas are supplied to the machine room 102, when these are ignited, there is a risk that a large fire can easily occur and an explosion flame may be generated.
Further, in this structure, there is a problem that the high temperature portion of the combustion pipe 106 is outside the sauna chamber 101, and not only the heat radiated from this portion is wasted, but also the surrounding habitability is impaired.
[0024]
In FIG. 2, 1 is a sauna room, 2 is a machine room, 3 is a fireproof partition wall, 4 is a through-hole for attaching a burner provided in the partition wall 3, 6 is a combustion tube, 8 is a burner, and 8-1 is Burner controller, 8-2 is a gas supply pipe, 8-3 is an air intake, 11-2 and 11-3 are heat radiation pipes, 14 is a suction blower, 15-1, 15-2, 15-3 and 15 −4 is a protective guard plate, 16 is a burner mounting plate, 17 is a cooling pipe, 17-1 is a cooling blower pipe, 18 is a blower blower, 21-1 is an evaporating dish for humidification, 22 is a sauna stone.
[0025]
In the present invention, the through-hole 4 provided in the partition wall 3 is a burner mounting hole, and the burner 8 is mounted inside the through-hole 4 by a large mounting plate 16 that can block the mounting hole 4, and this mounting plate 16 As a result, the opening of the through hole in the sauna room is closed.
A cooling pipe 17 is coaxially provided on the front surface of the burner 8 together with the combustion pipe 6 so as to enclose the combustion pipe 6. A burner side end of a gap between the combustion pipe 6 and the cooling pipe 17 A blower pipe 17-1 leading to a blower blower 18 provided in the chamber 2 is connected, and thereby, fresh and normal temperature air in the machine room 2 is forcibly sent to the cooling pipe 17, and this air is cooled with the combustion pipe 6 and the cooling pipe 17. Heated while cooling the combustion tube 6 while flowing through the gap with the tube 17, the heated air flows out from the tube end of the cooling tube 17 and is supplied to the sauna chamber 1 as shown by the arrows.
[0026]
For this reason, the sauna room is forcibly ventilated, and it is not only hygienic and safe, but the sauna room temperature is as low as around 60 ° C in the recently popular salt saunas and low-temperature saunas preferred by women. Therefore, there is a problem that fats and oils generated from the human body are not fully decomposed, and there is a problem that if the cleaning is neglected, a rotting odor is generated. Increasing this will naturally eliminate this odor problem.
[0027]
The combustion gas in the combustion pipe 6 heats the air flowing through the gap between the combustion pipe 6 and the cooling pipe 17 as shown by the arrows, flows in the combustion pipe 6 while lowering the temperature, and is shown by a dotted line in FIG. 5 passes through the U-bend pipe 6-1 and enters the heat radiating pipe 9 provided substantially parallel to the combustion pipe 6 shown in FIG. 5, and the downstream side heat radiating pipe provided so as to have a parallel or descending gradient sequentially. 10-1, 10-2, 10-3, 10-4, 10-5, 10-6, 10-7, flows into the heat radiation tube 11-1 arranged at the lowest position, and from its end It flows out of the sauna room by the discharge pipe 11-3 led to the rising machine room, and is discharged to the atmosphere by the exhaust blower 14.
[0028]
It is recommended that the heat radiation tube 11-1 be provided with a small hole 11-2 for draining at the lowest position. While the combustion gas is flowing, the internal pressure of the heat radiating tube 11-1 is lower than the pressure in the sauna chamber, so that the combustion gas does not leak into the sauna chamber from the small hole 11-2.
Slightly cold air near the floor of the sauna room 1 rises as the air heated by the heat radiating tube from the vicinity of the gantry 20 as indicated by the arrow, and further by natural convection while exchanging heat with the heat radiating tube. Since the air that has risen and becomes hot flows out into the sauna room 1, the temperature in the sauna room 1 is thereby increased.
[0029]
Evaporation dishes 21-1, 21-2 and 21-3 are provided above the uppermost combustion tube 6, heat radiation tube 9 and U bend 6-1 respectively, and a sauna stone 22 is loaded thereon. The In order to increase the humidity in the sauna room, the bather puts water on the sauna stone 22 as appropriate. In this case, water that has not been applied to the stone is exposed to high-temperature evaporating dishes 21-1, 21-2, 21- Since it is received in 3 and evaporates here, water is not applied to the combustion pipe or the like.
[0030]
In the second embodiment shown in FIG. 6, an upper casing plate 23 having a trapezoidal cross section is provided on the upper portion of the casing 15.
In the first embodiment, the evaporating dish 21-1 or the like prevents water from splashing on the combustion tube 9, the U-bend 6-1 and the insertion welds of the heat radiating tubes. In this second embodiment, The upper portions of the casing plates 15-1 and 15-4 are extended and bent to form a trapezoidal casing 23. The trapezoidal casing 23 prevents water from being applied to the combustion tube 9, etc. Prevents intrusion.
[0031]
Reference numeral 1-1 shown in FIG. 8 is a chair for a bather to sit. In this embodiment, the end portion 11-4 of the heat radiating pipe is placed inside a safety guard 25 provided at the lower part of the seat of the chair 1-1. The chair 1-1 is heated by this.
Since the temperature of the end portion 11-4 of the heat radiating tube is about 100 = ˜200 ° C., if configured in this way, the chair can be comfortably warmed and the heat of the combustion gas can be used more completely. .
In this case, since there is a possibility that the temperature of the heat radiation tube is lowered and dew condensation during the pause, it is desirable to provide a small hole 11B-2 at the lowest part so that the water can be drained.
[0032]
The configuration of the present invention is not limited to the above-described embodiment. In short, a ventilation cooling pipe is provided coaxially so as to contain the combustion pipe, and cool air is supplied to the gap between the two to cool the combustion pipe. For example, the position of the burner and the combustion pipe can be freely changed, and the burner can be placed in the sauna room if the safety of the blower for cooling air blowout is taken into consideration. Although it is recommended to install it, conversely, a combustion tube and a ventilation cooling tube may be provided outside the sauna room. In this way, the apparatus in the sauna room can be made compact, and a method for supplying cold air is also implemented. For example, a cold air supply pipe may be provided so as to pass through the inside of the burner. In the above embodiment, the air heated through the ventilation cooling gap is used as a sauna. Supply to room However, it is also recommended to use part or all of the air as combustion air for the burner or for heating outside the sauna room. To be included.
[0033]
【The invention's effect】
Since the present invention is configured as described above, when the present invention is used, the sauna room can have a completely independent fire-resistant structure that complies with Japanese fire laws and regulations, and the entire combustion pipe can be entirely disposed in the sauna room. Since the thermal efficiency is increased and the burner can be housed inside the sauna room, the volume and floor area of the machine room can be minimized, and the sauna apparatus can be made more compact. A safe and economical sauna apparatus can be provided.
Moreover, in the sauna apparatus concerning this invention, since ventilation in a sauna room is performed compulsorily, there exists an effect which improves safety | security further.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an explanatory view showing a configuration of a main part of a known Westenberg sauna oven.
FIG. 2 is a cross-sectional view showing a configuration of a main part of the sauna device according to the present invention.
3 is a plan view showing a shape of a heat radiating tube, an evaporating dish, and a sauna stone placed thereon in the embodiment of the sauna apparatus shown in FIG. 2. FIG.
4 is a side view of the apparatus shown in FIG. 3;
5 is a cross-sectional view showing a cross section AA in FIG. 4;
6 is a side view showing an upper structure of a heat radiating tube in a second embodiment different from that shown in FIGS. 3 and 4. FIG.
7 is a partially enlarged cross-sectional view of the vicinity of the through hole shown in FIG.
FIG. 8 is an explanatory diagram showing an example of the arrangement of chairs and heat radiating pipes where bathers sit in these examples.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1,101 Sauna room 2,102 Machine room 3,103 Partition 4,104 Through-hole 6,106 Combustion pipe 8,108 Burner
11, 11-2, 11-3 Heat radiation tube
14 Suction blower
16 Burner mounting plate
17 Cooling pipe
17-1 Air duct
18 Air blower
21-1 Evaporation dish
22 Sauna Stone

Claims (2)

In a sauna apparatus configured to supply combustion gas generated in a combustion pipe connected to a burner to a heat radiation pipe provided in the sauna room, and to increase the temperature in the sauna room,
A ventilation cooling pipe provided coaxially so as to contain the combustion pipe connected to the burner;
A forced air blower provided in the machine room;
A blower pipe communicating the blower opening of the forced blower and the ventilation cooling pipe,
The ventilation cooling pipe is disconnected from the burner,
The air supplied into the ventilation cooling pipe from the forced air blower is released into the sauna room ,
A mounting plate that can provide a burner mounting hole having an inner diameter larger than the outer diameter of the burner in a partition wall that partitions the sauna room and the machine room, and can close a gap between the inner wall surface of the burner mounting hole and the burner. The sauna apparatus characterized by attaching the said burner in the said burner attachment hole via . The sauna apparatus according to claim 1, wherein an evaporating dish is provided above the heat radiation tube with an appropriate gap therebetween.

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