JPH11319019A - Heat generator for sauna and sauna - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently heat the inside of a sauna chamber and the body of a user by reducing the transmission of heat emitted from the rear side of a planar heat generating body to the sauna chamber while far infrared rays emitted from the rear side thereof is reflected into the sauna chamber. SOLUTION: A heat generator 10 has a planar heat generating body 12 and is mounted on the internal surface 14a of a sauna chamber to heat the inside of the sauna chamber. In this case, a reflector 16 is arranged on the rear side of the planar heat generating body 12 with a clearance A between it and the planar heat generating body 12 to reflect infrared rays generated by the planar heat generating body 12 to the side of the planar heat generating body 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating device for a sauna, which has a planar heating element and is mounted on the inner surface of a sauna room to heat the sauna room.

[0002]

2. Description of the Related Art Conventionally, as a sauna for heating a sauna room by attaching a heating device to the inner surface of the sauna room, Japanese Patent Laid-Open No.
No. 4260 is disclosed. This heating device for a sauna is composed of only the sheet heating element itself. Although the planar heating element used in this sauna is not shown, vinylon wire fiber cloth in which copper foil electrode wires are woven is coated by mixing metal oxide ceramic powder in carbon-based conductive paint, or polyester and polyethylene are coated. A far-infrared ray is generated as a configuration in which a metal oxide ceramic is sealed in the cover material when the cover material as a main component is laminated and formed. The planar heating element is mounted in close contact with the inner wall surface of the sauna room, and its front face is exposed to the interior space of the sauna room so that the generated far-infrared rays are efficiently radiated into the sauna room.

[0003]

However, the above-described heating device for a sauna has the following problems. The planar heating element, which is the heating device for the sauna itself, is directly attached to the inner surface of the sauna room, so that the heat on the back side of the planar heating element is in close contact with the planar heating element. To escape and decrease the efficiency of heating the sauna room.
In addition, far infrared rays are radiated from the back side of the sheet heating element, but since the far infrared rays are radiated toward the walls of the sauna room, there is a problem that a user entering the sauna room does not hit the far infrared rays. . In addition, the front surface of the planar heating element is exposed to the interior space of the sauna room so that far infrared rays generated from the front side can be efficiently irradiated to the user. The humidity rises due to sweat from the body, and the surface of the user's body itself gets wet by sweating, making it easier for electricity to pass. Touching itself can be dangerous given the electric shock. Furthermore, when the user moves his body in the sauna room,
The limb may hit the sheet heating element, but at this time, there is also a problem that an impact force is applied to the sheet heating element, which may cause a failure.

Accordingly, the present invention has been made to solve the above-mentioned problem, and an object of the present invention is to reduce the transmission of heat from the rear side of the sheet heating element to the sauna room, and to far infrared rays emitted from the rear side. A sauna heat generator and a sauna that can efficiently heat the sauna room and the user's body by reflecting the heat into the sauna room and effectively prevent electric shock of the user and failure of the sheet heating element. Is to do.

[0005]

Means for Solving the Problems In order to achieve the above object, the invention according to claim 1 of the present invention has a planar heating element, is attached to the inner surface of a sauna room, and adds air to the sauna room. In the heating device for a sauna to be heated, a reflection plate for reflecting infrared rays emitted by the sheet heating element to the sheet heating element side is disposed on the back side of the sheet heating element with a gap provided between the sheet heating element and the sheet heating element. It is characterized by having been done. As a result, infrared rays emitted from the sheet heating element to the rear side thereof are reflected toward the sheet heating element side by the reflector, so that infrared rays emitted in the front direction of the sheet heating element are originally in front of the sheet heating element. Infrared reflected by the reflector is added to the infrared radiation radiated from the light source, and the number is increased compared to the conventional example. In addition, since there is a gap between the reflector and the sheet heating element, the layer of air present in this gap serves as a heat insulating layer, and the heat of the sheet heating element is used as a reflector or a heating device for a sauna. It will not be easily transmitted to the wall of the attached sauna room. Therefore, heat escaping to the wall surface of the sauna room is reduced, so that the sauna room can be efficiently heated. In addition, if a protective net for preventing a person from directly touching the sheet heating element is arranged on the front side of the sheet heating element, a gap is provided between the sheet and the sheet heating element. In addition, it is possible to effectively prevent a user from directly touching the sheet heating element without obstructing the emission of infrared rays from the sheet heating element, and it is safe.

More specifically, there is provided a frame formed on an inner peripheral surface of holding means for holding the reflecting plate, the planar heating element, and the protective net in a layer structure with a gap therebetween, The reflecting plate, the planar heating element, and the protective net are held together by the holding means at their peripheral edges in this order, and are integrally assembled to the frame. The holding means is three concave grooves formed in the inner peripheral surface of the frame along the circumferential direction, and the reflecting plate, the planar heating element, and the protective net are provided at respective peripheral edges. When the portion is fitted and held in each of the concave grooves, the reflector, the sheet heating element, and the protective net can be easily attached to the frame, and the gap formed between them can be easily adjusted. No adjustment is required, which is convenient.

In addition, if a sealing material for filling a gap between the frame and the frame is applied to at least a peripheral portion of the front surface of the sheet heating element, the sheet heating element is generally applied to the sheet heating element. The electrodes that are always required are placed in a state of being exposed on the back side of the sheet heating element, so if moisture such as sweat is applied to the front of the heating device for the sauna, the moisture passes through the protective netting and the sheet Even if it adheres to the front of the heating element, the peripheral portion of the sheet heating element and the frame have a water-tight structure with a sealing material, and therefore do not go around the back side of the sheet heating element. Therefore, the electrode provided on the back of the sheet heating element gets wet with moisture and rusts,
In addition, it is possible to prevent a short circuit.

According to a fifth aspect of the present invention, there is provided a sauna room and the sauna heating device according to the first, second, third or fourth aspect, wherein the sauna heating device is provided in the sauna room. Characterized in that the protective net is attached to the inner surface of the front face. According to this, since the heat escaping from the planar heating element to the sauna room is reduced as compared with the related art, the sauna room is efficiently heated. Further, the amount of infrared rays radiated to the front side of the sheet heating element increases. Therefore, the body of the user of the sauna is further warmed, and the sauna effect is increased. Further, even if a part of the user's body touches the surface of the heating device for the sauna, the protective net can prevent direct contact with the planar heating element, so that there is no fear of electric shock or burn, so that it is safe.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a heating device for a sauna and a sauna according to the present invention will be described below in detail with reference to the accompanying drawings.

First, a heating device 10 for a sauna will be described with reference to FIG.
The basic concept of will be described. Heating device for sauna 10
Has a planar heating element 12 and an inner surface 14a of a sauna room 14.
It is the same as a conventional heating device in that it has a function of heating the inside of the sauna room 14 by being attached to the
On the back side of the sheet heating element 12 (also on the inner surface 14a side of the sauna room 14), a reflecting plate 16 for reflecting infrared rays (including far infrared rays) emitted by the sheet heating element 12 to the sheet heating element 12 side.
Are arranged with a gap A between the sheet heating element 12 and
In addition, a protection net 18 for preventing a person from directly touching the sheet heating element 12 is disposed on the front side of the sheet heating element 12 with a gap B between the sheet and the sheet heating element 12. It is.

With this configuration, the air existing in the gap A acts as a heat insulating layer, and the air from the sheet heating element 12 is removed from the sauna, as compared with the conventional sheet heating element 12 which is in direct contact with the inner surface 14a of the sauna room 14. The amount of heat escaping to the inner surface 14a of the chamber 14 can be reduced, and the inside of the sauna room 14 can be more effectively heated. In addition, since the reflection plate 16 reflects the infrared radiation radiated to the back side of the planar heating element 12 toward the front of the planar heating element 12, in addition to the infrared radiation emitted from the front side of the planar heating element 12, The infrared rays once radiated to the back side and reflected to the front side by the reflection plate 16 can be applied to the body of the user, and the effect of directly warming the body of the user is further increased.

Next, a specific configuration of the heating device 10 for a sauna will be described with reference to FIGS. As shown in FIGS. 2 and 3, the heating device 10 for a sauna includes a reflecting plate 16, a planar heating element 12, and a protective net 18 in a frame 20, and a gap B in this order from the front side of the frame 20. , A are opened and held in a layered structure. The reflection plate 16 can be configured using a material having a certain surface gloss and reflecting light, such as a metal plate. The protective net 18 is
It is formed by punching innumerable holes in a metal plate. When metal is used, it is desirable that the surface of the metal plate be planted so that the body of the user can be safely touched. In addition, even when a person touches the heating device 10 for a sauna as described above, the protective net 18 can be used as the sheet heating element 1 which is a heat source.
As long as it does not directly touch the 2 itself, it may be made of a synthetic resin material if it has appropriate rigidity. Frame 2
As an example, reference numeral 0 denotes a pair of first frames 20a and a pair of first frames 20b, and the frames 20a and 20b are opposed to each other so as to sandwich the reflection plate 16, the sheet heating element 12, and the protective net 18. Each end of the first frame 20a and each end of the first frame 20b are connected by means such as screws. The frame 20 is made of an electrically insulating synthetic resin material, a metal material whose surface is coated with an electrically insulating synthetic resin material, or the like.

In the present embodiment, as shown in FIGS. 2 and 3, the inner peripheral surfaces of the connected first frame 20a and first frame 20b are provided with a reflection plate 16 and a planar heating element 12. Three concave grooves 22 are formed as holding means for holding the respective peripheral edges of the protective net 18. In addition, as the holding means, although not shown in place of the concave groove 22, each of the frames 20a, 20b
The ribs extending along the longitudinal direction of the groove 2 may be used, and the reflector 16, the sheet heating element 12, and the protective net 18 do not need to be held by the frame 20 over the entire circumference.
Instead of two or ribs extending over the entire length of each frame body 20a, 20b, a pair of protrusions that can sandwich the peripheral edge of the reflection plate 16, the sheet heating element 12, and the protective net 18 are provided.
Three rows may be formed on the inner surface of each of the frames 20a and 20b at a predetermined interval for each of the reflecting plate 16, the sheet heating element 12, and the protective net 18.

In this embodiment, as an example, FIG.
As shown in FIG. 3, a plate-like mounting portion 24 is provided at an outer surface of a rear end portion of the first frame body 20a which is directly in close contact with the inner surface of the sauna room 14 so as to extend at a right angle. Part 24
Is formed with a screw hole 26.

Next, the procedure for assembling the heating device 10 for a sauna will be described with reference to FIG. First, although not shown in FIG. 4, one end (the lower end in FIG. 4) of the first frame 20a is opposed to the inner surface of the first frame 20a at both ends of one second frame 20b. To form a U-shape as a whole. At this time, the mounting portions 24 formed on each of the first frame bodies 20a are mounted so as to be in the same direction (back side), and each of the concave grooves 22 formed on the first frame body 20a and the second frame body 20b are Make them continuous. Second, between the first frame 20a attached to the second frame 20b in parallel with each other, the reflecting plate 16, the sheet heating element 12, and the protective net 18 are arranged in this order on the front side of the first frame 20a. Groove 2
The peripheral portions are sequentially fitted into the respective grooves 22 from the second to the rear side grooves 22.

Third, the remaining second frame 20b is screwed to the other end (the upper end in FIG. 4) of the opened first frame 20a, and the frame 20 is completed. As a result, the reflecting plate 16, the planar heating element 12, and the protective net 18 are formed on the inner peripheral surface of the frame 20 over the entire periphery of the reflecting plate 16, the planar heating element 12, and the protective net 18. It is held by the formed groove 22 and is integrally assembled to the frame 20. Fourth,
As shown in FIG. 3, on the periphery of the front surface of the planar heating element 12,
A sealing material 28 such as silicon rubber for filling a gap between the inner peripheral surface of the frame 20 and the inner peripheral surface is applied over the entire circumference. Thereby, the heating device 10 for a sauna is completed. This sealing material 28
As a result, moisture such as water droplets adhered to the front of the sheet heating element 12 via a gap formed between the peripheral portion of the sheet heating element 12 and the concave groove 22 of the frame 20 to which the peripheral section is attached. Can be prevented from wrapping around the back side of the sheet heating element 12, and corrosion and electric leakage of metal parts such as the electrodes 30 formed on the back of the sheet heating element 12 can be effectively prevented.

Next, a sauna 32 using the above-described heating device 10 for a sauna will be described with reference to FIG. The sauna room 14 is formed in a box shape using wood or a synthetic resin material, and a person can enter the inside through a door 34 formed on a part of the side wall. Inner surface 14a of this sauna room 14
, The above-described heating device for sauna 10 is attached by means such as screwing. As an example, three heat generating devices 10 for the sauna are provided on the inner bottom surface of the sauna room 14 and on the front and back wall surfaces of the user 36 sitting on the chair 38, but the number is not limited thereto. At least one or more may be attached to the necessary inner surface of the sauna room 14 as necessary while taking into account conditions such as size.

In the sauna room 14 having this configuration, the sauna heating device 10 has the above-described configuration, and therefore, the sauna heating device 1 has a configuration different from that of the conventional sauna room 14 using a planar heating element.
The amount of heat that the heat from 0 escapes to the inside of the sauna room is small,
In addition, since the reflection plate 16 is provided, the amount of infrared rays radiating to the user is increased, and the way of warming the sauna room 14 and the way of warming the user's body itself by the infrared rays are quick even with the same power consumption. Therefore, efficient sweating is performed, and an economically high sauna effect can be obtained. In addition, the heating device 10 for the sauna
Since the surface of the sheet heating element 12 is covered with the protective net 18, even if the user carelessly touches the sauna heating apparatus 10, the human body does not directly touch the sheet heating element 12,
There is no fear of electric shock and burns, and no fear of failure of the sheet heating element 12.

Although the preferred embodiments of the present invention have been described in various ways, the present invention is not limited to the above-described embodiments, and the shape of the frame is not limited to a rectangle such as a rectangle or a square. It goes without saying that many modifications can be made without departing from the spirit of the invention, for example, various shapes such as polygons, ellipses, and circles can be adopted.

[0020]

According to the heat generating device for a sauna and the sauna according to the present invention, the infrared rays radiated from the sheet heating element to the rear side thereof are reflected by the reflector to the sheet heating element side, so that the sheet heating element is provided. The infrared radiation radiated from the front of the sheet heating element is added to the infrared radiation radiated from the front of the sheet heating element, and the infrared radiation radiated from the reflection plate is added to the infrared radiation. Thus, the user's body is more effectively warmed with infrared. In addition, since there is a gap between the reflector and the sheet heating element, the layer of air present in this gap serves as a heat insulating layer, and the heat of the sheet heating element is used as a reflector or a heating device for a sauna. It will not be easily transmitted to the wall of the attached sauna room. Therefore, the heat escaping to the wall surface of the sauna room is reduced, so that the sauna room can be efficiently heated, and the body of the user can be efficiently warmed.
In addition, a protective net is provided on the front side of the sheet heating element, effectively preventing the user from directly touching the sheet heating element without obstructing the emission of infrared rays from the sheet heating element. The effect is that it is safe.

[Brief description of the drawings]

FIG. 1 is a plan view showing the configuration of an example of an embodiment of a heating device for a sauna according to the present invention.

FIG. 2 is an enlarged view of a main part of FIG.

FIG. 3 is a sectional view taken along line XX in a state in which the sauna heat generating device of FIG. 1 is attached to an inner surface of a sauna room.

4 is an exploded perspective view showing an assembling procedure of the sauna heat generating device of FIG. 1;

FIG. 5 is an explanatory diagram showing a schematic configuration of a sauna according to the present invention.

[Explanation of symbols]

 Reference Signs List 10 Heating device for sauna 12 Planar heating element 14 Sauna room 14a Inner surface of sauna room 16 Reflector 18 Protective net A Gap (gap between planar heating element and reflector) B Gap (Gap between planar heating element and protection Gap between the net)

Claims (6)

[Claims] 1. A sauna heating device having a sheet heating element, which is attached to an inner surface of a sauna room and heats the sauna room, wherein the sheet heating element emits on the back side of the sheet heating element. A heating device for a sauna, wherein a reflecting plate for reflecting infrared rays to the surface heating element side is disposed with a gap between the sheet and the surface heating element. 2. A protection net for preventing a person from directly touching the sheet heating element is provided on the front side of the sheet heating element with a gap between the sheet and the sheet heating element. The heating device for a sauna according to claim 1, wherein: 3. A frame having an inner peripheral surface formed with holding means for holding the reflecting plate, the planar heating element and the protective net in a layered structure with a gap therebetween, wherein the reflecting plate and the surface are provided. 3. The heating device for a sauna according to claim 2, wherein the heat generating element and the protection net are integrally assembled to the frame with their respective peripheral portions held by the holding means in this order. 4. The holding means is three concave grooves formed in the inner peripheral surface of the frame along the circumferential direction, and the reflecting plate, the planar heating element, and the protective net are The heating device for a sauna according to claim 3, wherein each peripheral portion is fitted and held in each of the concave grooves. 5. A sealing material for filling a gap between the planar heating element and the frame body at least at a peripheral edge portion of the front surface of the planar heating element. Heating device for sauna. 6. A sauna room and the sauna heating device according to claim 1, 2, 3 or 4, wherein the sauna heating device has a planar heating element or a protective net on an inner surface of the sauna room. Sauna characterized by being attached face up.