JP2001311525A - Heating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating device designed such that it can be disposed even when a heater is increased in size and the device itself is formed in a compact manner. SOLUTION: A heater unit 13 consists of a heater 12 and a mounting member 16 on which the heater 12 is mounted. A passage 121a of a radiation fin 121 of the heater 12 is caused to point in the axial direction of a flow of air fed by a blower 4 for circulation and the cross section of the heater 12 in an axial direction is mounted on the mounting member 1 in a state to incline the heater 12 such that an angle θ with the axial direction forms an obtuse angle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating device which is installed on a ceiling of a bathroom or the like and heats a room.

[0002]

2. Description of the Related Art Heretofore, this type of heating apparatus has been provided with a blower and a heater, and the heater is disposed so as to be orthogonal to the flow of air sent from the blower. Also,
The heater and related components were configured to be fixed directly to the device.

[0003]

However, in the above-mentioned conventional configuration, there is a problem that if the heater capacity is increased to increase the size of the heater, the heater cannot be disposed in the air path.

In order to dispose the heater, it is sufficient to enlarge the air path. However, if the air path is enlarged, the apparatus itself becomes large and heavy, which may make it difficult to install the apparatus. there were.

Further, in a production line for producing an apparatus, a method of directly assembling various components constituting the apparatus to the apparatus main body has to be adopted, so that the production line becomes longer and the space required for production becomes larger, Process must be controlled at the same time, and there is a problem in quality control. In addition, when performing maintenance work of the device at the installation site, it takes a lot of time for disassembly and assembly work.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a heating apparatus which can be disposed even if the heater is enlarged and which is compact in itself. It is in.

[0007]

SUMMARY OF THE INVENTION The present invention relates to an apparatus main body installed on a ceiling or the like of a bathroom and the like, and a device provided in the apparatus main body for sucking indoor air and blowing it out of the room. A circulating blower, and a heater unit disposed in a circulating air passage extending from the circulating blower to the room and configured to support and fix a heater for heating air sent from the circulating blower by a heater mounting member. And wherein the installation axis of the heater is disposed in the apparatus main body so as to be inclined with respect to the axial direction of the flow of the air sent from the circulation blower.

Therefore, with this configuration, even if the heater becomes large, it can be disposed in the air passage and the device itself can be made compact.

Further, if the heater unit is disposed at a position where the air paths constituting the circulation air path are orthogonal to each other, the relationship between the installation position of the apparatus main body placed behind the ceiling or the like and the outlet is more effective. Can be used for That is, in a portion where the air path is orthogonal, the air flow changes its direction while colliding with the side wall of the air path, so that a disturbance phenomenon of the air around the heater occurs. As a result, the efficiency of heat exchange from the heater to the air flow is improved.

[0010] Further, if the heater has radiating fins for releasing the heat from the heat-generating portion to the outside, and the fins are arranged such that the gaps that serve as wind paths of the radiating fins are parallel to the axial direction, The air sent from the circulation blower flows smoothly without resistance, and the loss of air volume can be reduced.

Further, if the heater unit is attached to the apparatus main body to have a structure having an air path forming member capable of forming a circulating air path, there is no need to separately provide a part for forming a circulating path. Since the number of points can be reduced, the assembling process on the final manufacturing line of the apparatus is shortened, and maintenance work after installation is also facilitated.

Further, if the heater mounting member of the heater unit is fixed to the apparatus main body by fitting the heater mounting member to the apparatus main body, the heater unit can be easily mounted on the apparatus main body with a simple configuration. Can be.

Further, the apparatus main body is provided with an air outlet for blowing out the air sent from the circulation blower, and the mounting member forms an air guiding portion for guiding the air to the air outlet. It is not necessary to separately provide a wind guide member for guiding the air to the outlet, and the number of parts can be reduced.

Further, when the main body case of the apparatus main body is formed of a synthetic resin, the weight of the apparatus itself can be reduced and the manufacturing cost can be reduced.

Further, if a heat insulating member is provided around the heater in the air passage, adverse effects due to the heat of the heater can be prevented even in a case made of a synthetic resin.

Further, if an insulating member for insulating the electrode portion of the heater and the main body of the apparatus is provided in the air passage, it is possible to prevent the main body case made of synthetic resin from being carbonized by the heat of the heater and short-circuited. can do.

Further, if the heat insulating member or the insulating member is formed of mica, even a complicated shape can be easily processed, and the heat insulating and insulating effects can be further exhibited.

[0018]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view showing an example in which a heating device according to the present invention is installed in a bathroom, FIG. 2 is a partial cross-sectional view showing an enlarged main part, and FIG. X sectional view,
FIG. 4 is an exploded perspective view illustrating an attached state of the heater unit.

As shown in FIG. 1, a heating device A includes a bathroom B
Of the apparatus main body 1 attached by inserting the opening 31 of the ceiling 30 of the apparatus, a fan 2 provided in the apparatus main body 1 and a motor 3 for driving the impeller 2, a circulation blower 4 and an impeller 5; A ventilation blower 7 comprising a motor 6 for driving the impeller 5; a circulation blower 4; a ventilation blower 7;
And a decorative panel 8 provided so as to face the interior of the bathroom B.

The decorative plate 8 is provided with a suction port 9 for sucking the air in the bathroom B and an outlet 10 for blowing out the air sent from the circulation blower 4 into the bathroom B. I have. Further, the apparatus main body 1 includes a circulation blower 4.
A heater unit 13 having a heater 12 is provided in an air passage 11 that communicates with the air outlet 10.

The main body case 1a of the apparatus main body 1 is formed of a synthetic resin, and is configured so as to cover the main body case 1a with a metal exterior body 15.

With the above configuration, for example, when the drying operation switch of the operation unit (not shown) is turned on, the ventilation blower 7 is turned on.
Is driven, the air containing moisture in the bathroom B is sucked through the suction port 9, exhausted outside through the duct 29 from the exhaust port 14 provided in the apparatus main body 1, and the circulation blower 4 is driven. At the same time, the heater 12 is energized and the air in the bathroom B is sucked through the suction port 9 and
Is heated by the heater 12 and blown out from the outlet 10 into the bathroom B as warm air. Therefore, the laundry such as the clothes dried in the bathroom B can be dried.

When a heating operation switch of an operation unit (not shown) is turned on, the ventilation blower 7 is not driven, the circulation blower 4 is driven, and the heater 12 is energized.
The air in the bathroom B is sucked in from the suction port 9 and the air sent by the circulation blower 4 is heated by the heater 12 and blown out from the outlet 10 into the bathroom B as warm air, thereby heating the bathroom B. Will be

As shown in FIG. 2, the heater unit 13 comprises a heater 12 and a heater mounting member 16b having a substantially U-shaped cross section for mounting the heater 12, and is supplied by the circulation blower 4. A gap 121a serving as a wind passage of the radiation fins 121 of the heater 12 is directed in the axial direction of the flow of air to be supplied, and the installation axis 101 of the heater 12 with respect to the axial direction is obtuse at an angle θ with respect to the axial direction of the air flow. The heater 12 is attached to the attachment member 16 at an angle so that Angle θ in this case
Is preferably about 135 degrees.

In this embodiment, since a heater having a radiating fin is used, the angle θ is set to an obtuse angle. good. The installation axis of the heater referred to herein is a virtual straight line representing a direction included in a surface formed by connecting the heat center of the heater or the heat radiator, and two heaters as in the present embodiment. Is a projected straight line connecting both central axes (heater installation axis 101).

Therefore, even if the heater 12 has a cross section larger than the cross section of the air passage 11, the heater 12 can be disposed in the air passage 11, so that the heater capacity is increased and the heater 12 is enlarged. Also, the apparatus main body 1 can be made compact.

The heater unit 13 extends in a curved manner from the air passage forming member 16 a constituting the side surface of the mounting member 16, and guides the air sent from the circulation blower 4 to the air outlet 10. Is formed.

Therefore, it is not necessary to separately provide a wind guide member for guiding air to the air outlet 10, and the number of parts can be reduced. In this way, by reducing the apparent number of parts by unitizing it into other parts,
In the final assembly line of the present apparatus, there is an effect that the assembly line is shortened and the process can be dispersed.

Further, as shown in FIG. 2 and FIG.
A heat insulating member 17 formed by processing mica is disposed around one heater 12. Therefore, it is possible to prevent the heat of the heater 12 from adversely affecting the synthetic resin main body case 1a. Also, since mica has excellent insulation properties,
The carbonization of the synthetic resin main body case 1a by the heat of the heater 12 can prevent the electrode section 122 of the heater 12 from causing tracking. The electrode section 122
The mica may be formed by processing only the periphery of the mica as an insulating member, and a member other than the mica having an excellent heat insulating effect may be provided in a portion around the heater 12.

As shown in FIG. 4, the apparatus body 1 has a side surface 1 of a mounting member 16 for the heater unit 13.
6b is formed with a groove portion 18 to be inserted. Therefore, since a member for attaching the heater unit 13 to the apparatus main body 1 is not required, the number of components can be reduced, and the heater unit 13 can be easily attached to the apparatus main body 1 with a simple configuration.

As shown in FIG. 4, a heater attachment member 16 for attaching the heater 12 to the heater unit 13 is provided.
The circulation air passage 11 is formed by the air passage forming member 16 which constitutes the side surface portion of b. Therefore, since another member for forming the circulation air passage is not required, the number of parts can be reduced.

The above description relates only to one embodiment of the present invention, and does not mean that the present invention is limited to only the above described content. For example, the example in which the heating device of the present invention is installed on the ceiling of a bathroom has been described. However, the present invention is not limited to this, and the heating device may be installed on the ceiling or side wall of a dressing room.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an example in which a heating device according to the present invention is installed in a bathroom.

FIG. 2 is a partial cross-sectional view showing a main part in an enlarged manner.

FIG. 3 is a sectional view taken along line XX in FIG. 2;

FIG. 4 is an exploded perspective view illustrating an attached state of a heater unit.

[Explanation of symbols]

 A: Heating device B: Bathroom 1: Device main body 1a: Main body case 4: Circulating blower 10: Blow-out port 11: Circulating air path 12: Heater 13: Heater unit 16a: Air path forming member 16b: Heater mounting member 16c: Conductor Wind member 17: heat insulating member (insulating member) 101: heater installation shaft 102: axial direction (of wind) 121: radiating fin 122: electrode portion

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Takeshi Ueyama 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka Touchi Kiki Co., Ltd. (72) Mitsuo Rikimaru 2, Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka 1-1-1 Toto Kiki Co., Ltd. (72) Inventor Chinami Ohara 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka Tochi Kiki Co., Ltd. (72) Inventor Tatsuo Shijo Kokura, Kitakyushu-shi, Fukuoka 2-1-1 Nakajima, Kita-ku Toto Kiki Co., Ltd.

Claims (10)

[Claims] An apparatus main body installed on a ceiling or the like of a bathroom, a circulating blower provided in the apparatus main body for sucking indoor air and blowing it out of the room, and a suction port for indoor air. A circulation air passage that reaches the outlet to the room via the circulation blower, and a heater for heating air sent from the circulation blower that is disposed in the circulation air passage and is provided by a heater mounting member. A heater unit fixed and supported, wherein the installation axis of the heater is disposed in the apparatus main body at an angle to the axial direction of the flow of air sent from the circulation blower. Heating system. 2. The heating apparatus according to claim 1, wherein the heater unit is disposed at a position where air paths constituting the circulation air path are orthogonal to each other. 3. The heater has radiating fins for releasing heat from a heat-generating portion to the outside, and the gaps serving as wind paths of the radiating fins are disposed so as to be parallel to the axial direction. The heating device according to claim 1 or 2, wherein 4. The heating apparatus according to claim 1, wherein said heater unit has an air path forming member capable of forming a circulating air path by attaching the heater unit to the apparatus main body. 5. A heating apparatus according to claim 1, wherein said heater mounting member of said heater unit is fixed to said apparatus main body by being fitted to said apparatus main body. 6. An apparatus according to claim 6, wherein said apparatus main body has an air outlet for blowing out the air sent from said circulation blower, and said mounting member forms a wind guide for guiding said air to said air outlet. The heating device according to claim 2, characterized in that: 7. A heating apparatus according to claim 1, wherein said apparatus main body has a main body case formed of a synthetic resin. 8. The heating apparatus according to claim 7, wherein the air path is provided with a heat insulating member around the heater. 9. The heating apparatus according to claim 7, wherein the air path is provided with an insulating member for insulating the electrode portion of the heater and the apparatus main body. 10. The heating device according to claim 8, wherein the heat insulating member or the insulating member is formed of mica.