JP2953993B2 - Bathroom air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathroom air conditioner which can use a bathroom as a drying space for laundry, as well as ventilation or heating of the bathroom.

[0002]

2. Description of the Related Art Conventionally, this type of bathroom air conditioner is shown in FIG.
And what is shown in FIG. 5 is known.

[0003] The bathroom air conditioner 1 has a duct casing 2 having an opening on the lower surface and an electric box 3 installed on the upper surface of the duct casing 2.
Is covered with a front panel 4 and is installed on a ceiling 5 of a bathroom via the duct casing 2. Further, one side of the front panel 4 has a suction port 6 for circulating air, and the other side has a blowout port 7 and a suction port 8 for ventilation.
Are provided with rectifying louvers 9, 10, 11 respectively.

Further, a circulation fan 12, a ventilation fan 13 and a heater 14 are provided in the duct casing 2, and the circulation fan 12 faces the suction port 6, and the ventilation fan 13 faces the suction port 8, respectively. On the other hand, the heater 14 is arranged in a direction (vertical direction) orthogonal to the arrangement direction (horizontal direction) of the louver 10 of the outlet 7, and is further provided with shower water (dashed arrow in FIG. 5) to the heater 14. In order to prevent adhesion, a drain plate 15
Are installed in multiple stages.

In the thus configured bathroom air conditioner, when the circulation fan 12 and the heater 14 are energized, as shown by the dashed line arrow in FIG. 2 and is further heated by the heater 14 and circulated to the bathroom. When energizing the ventilation fan 13,
The air in the bathroom enters the duct casing 2 through the suction port 8, and is discharged outside through the exhaust duct 16.

By selectively and appropriately energizing such devices 12, 13, and 14, bathroom ventilation, bathroom heating, or bathroom drying can be performed.

[0007]

As described above, in the above-mentioned conventional bathroom air conditioner, the entire heater 14 is disposed in the duct casing 2 and the drain plate 15 prevents the shower water from adhering. The humid bathroom air is circulated in the duct casing 2, and dew may be formed on the terminal portion of the heater 14. As a result, there is a problem that the terminal portion is corroded and a connection failure is caused.

The terminal is connected to an external power supply through a wall of the duct casing 2. A wiring hole must be provided in the duct casing 2 for this wiring. For this reason, the duct casing 2
There is a problem that the humid air leaks from the inside and adversely affects other electronic devices and the like, and wiring work into the duct casing 2 is also troublesome.

An object of the present invention is to provide a bathroom air conditioner that can prevent the occurrence of dew condensation as well as the adhesion of water to the terminal portion of a heating device, improve durability, and simplify wiring work, in view of the above-mentioned conventional problems. To provide.

[0010]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a circulating fan for circulating air in a bathroom through a duct casing and heating the air flowing in the duct casing. In the bathroom air conditioner provided with a heating device, the heating device includes a heating device main body that is a heating element and a terminal portion that energizes the heating device main body, and the heating device main body is disposed in the duct casing. , the terminal unit Then located outside of the duct casing
In both cases, the heating device main body is inside the duct casing.
Held in a housing through which air passes, at least on the bottom side of the housing
Has a curved inner surface.

According to a second aspect of the present invention , the air in the bathroom is ducted.
A circulation fan circulating through the casing;
A heating device for heating the air flowing through the casing.
In the bathroom air conditioner obtained above, the heating device is a heating element.
A certain heating device main body and a terminal portion for energizing the heating device main body
The heating device body is attached to the duct casing.
And the terminals are arranged outside the duct casing
Together with the heating device main body inside the duct casing.
Is held in a housing through which air passes, and the upper surface of the bottom plate of the housing is inclined.
It has a slanted structure.

According to a third aspect of the present invention , the air in the bathroom is ducted.
A circulation fan circulating through the casing;
A heating device for heating the air flowing through the casing.
In the bathroom air conditioner obtained above, the heating device is a heating element.
A certain heating device main body and a terminal portion for energizing the heating device main body
The heating device body is attached to the duct casing.
And the terminals are arranged outside the duct casing
Together with the heating device main body inside the duct casing.
At least at the bottom of the housing
The inner surface of the side corner is curved, and the upper surface of the bottom plate of the housing
Has an inclined structure.

[0013]

[0014]

According to the first aspect of the present invention, since the heating device has a structure having the heating device main body disposed in the duct casing and the terminal portion disposed outside the duct casing, The humid air flowing through the heating device does not touch the terminal portion of the heating device, and does not cause condensation on the terminal portion. In addition , water or condensation adhering to the inside of the housing holding the heating device main body flows down along the wall of the housing and flows to the bottom plate of the housing, but since the inner surface of the bottom corner of the housing is curved, The surface tension on the inner surface of the corner is weak, and water does not accumulate on the surface of the corner.

[0015]

According to the second aspect of the present invention, since the upper surface of the bottom plate is inclined, water flowing to the bottom plate of the housing is drained out of the housing along the inclination.

According to the third aspect of the present invention, the water adhering to the inside of the housing can be easily drained by both the curved configuration of the inner surface of the bottom corner and the inclined configuration of the bottom plate.

[0018]

1 to 3 show one embodiment of a bathroom air conditioner according to the present invention. FIG. 1 is a sectional view of a bathroom air conditioner.
FIG. 2 is a partially omitted front view of a heater and a heater box, and FIG. 3 is a partially omitted side sectional view of a heater and a heater box.

That is, in the figure, 1 is a bathroom air conditioner, 2 is a duct casing, 3 is an electrical box, 4 is a front panel, 5 is a ceiling of a bathroom, 6 is a suction port for circulation, 7 is an outlet, and 9 is an outlet. A louver 12 formed in the circulation suction port 6 is a circulation fan arranged in the duct casing 2. Hereinafter, a heater structure which is a characteristic configuration of the present invention will be described.

The heater 20 comprises a heater body 21 which is a heat generating portion extending vertically and a terminal portion 22 extending upward from the upper end of the heater body 21.
1 is arranged in a duct casing 2, while the terminal 2
Reference numeral 2 denotes an electric component box. Also, heater 2
Numeral 0 is housed and held in a vertically long resin heater box 30 made of resin.

The heater box 30 is divided into a heater main body 21 and a terminal portion 22 with the upper plate 2a of the duct casing 2 as a boundary. The heater main body 21 is moved forward and backward so that air in the duct casing 2 flows inside. It is open.
Also, the corner inner surface 33 of the heater box 30 intersecting with the side plate 31 and the bottom plate 32 is formed to be curved as shown in FIG. 2, while the upper surface 34 of the bottom plate 32 is located on the leeward side as shown in FIGS. It is inclined downward toward. This inclination angle is set to at least 4 ° or more in order to perform drainage smoothly.

The louver 40 of the outlet 7 is configured such that the height of the louver 40a on the heater 20 side is increased so that shower water indicated by a broken arrow in FIG.

According to the present embodiment, when the circulation fan 12 is driven, the humid air in the bathroom circulates as shown by a dashed line arrow in FIG.
The water condensed at 0 or the shower water attached to the heater box 30 flows down to the bottom plate 32 through the side plate 31 of the heater box 30. The water that flows down is the inner surface 3 of the corner.
3, since the inner surface 33 is curved,
Since the surface tension of the water is weak, the water does not accumulate on the inner surface 33 of the corner and is drained through the upper surface 34 of the bottom plate 32. Also,
Since the upper surface of the bottom plate 32 is inclined, dew water and the like are drained smoothly.

As described above, since the water adhering to the inside of the heater box 30 is smoothly drained, the heater box 3
The water adhering to the inside of 0 does not lower the insulation resistance of the heater body 21.

Further, since the terminal portion 22 of the heater 20 is disposed in the electrical component box 3 and the heater box 30 for housing and holding the heater 20 separates the heater main body 21 from the terminal portion 22, the inside of the duct casing 2 is reduced. The passing humid air does not touch the terminal portion 22, and the terminal portion 22 is prevented from being corroded.

[0026]

As described in the foregoing, according to claim 1 wherein
According to the third aspect of the invention, the humid air flowing in the duct casing does not touch the terminal of the heating device, so that corrosion of the terminal is prevented and the durability is improved, and in addition, problems such as poor contact are caused. Nothing. Also, the heating device
Water adhering to the housing that holds and drains smoothly
Because of the water adhering to the housing,
Does not decrease.

[0027]

[Brief description of the drawings]

FIG. 1 is a sectional view of a bathroom air conditioner according to the present embodiment.

FIG. 2 is a partially omitted front view of a heater and a heater box according to the embodiment.

FIG. 3 is a partially omitted side sectional view of a heater and a heater box according to the embodiment.

FIG. 4 is a perspective view of a bathroom air conditioner.

FIG. 5 is a sectional view showing a conventional bathroom air conditioner.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Bathroom air conditioner, 12 ... Circulation fan, 20 ... Heater, 21 ... Heater main body, 22 ... Terminal part, 30 ... Heater box, 32 ... Bottom plate, 33 ... Corner inner surface, 34 ... Upper surface of a bottom plate.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-38010 (JP, A) JP-A-1-152702 (JP, A) JP-A 4-57142 (JP, U) JP-A-63 191576 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) F24H 9/02 302 F24D 5/04 F24D 15/00 F24F 7/10 F24H 3/04 302

Claims (3)

(57) [Claims] 1. A bathroom air conditioner comprising: a circulation fan for circulating air in a bathroom through a duct casing; and a heating device for heating air flowing in the duct casing, wherein the heating device is a heating element. The heating device main body, comprising a terminal portion for energizing the heating device main body, the heating device main body is disposed in the duct casing, the terminal portion is disposed outside the duct casing , the heating device main body is the The air inside the duct casing
At least at the bottom corner of the housing.
A bathroom air conditioner characterized by a curved surface . 2. The air in the bathroom is passed through a duct casing.
And a circulation fan that circulates through the duct casing.
Bathroom air conditioner equipped with a heating device for heating flowing air
In the heating device, the heating device body as a heating element, the heating
A terminal portion for supplying power to the apparatus main body;
Is disposed in the duct casing, and the terminal is
The heating device body is disposed outside the casing, and the air in the duct casing is passed through the heating device body.
A bathroom air conditioner characterized by being held in a housing having a bottom surface, the upper surface of a bottom plate of the housing being inclined . 3. The air in the bathroom is passed through a duct casing.
And a circulation fan that circulates through the duct casing.
Bathroom air conditioner equipped with a heating device for heating flowing air
In the heating device, the heating device body as a heating element, the heating
A terminal portion for supplying power to the apparatus main body;
Is disposed in the duct casing, and the terminal is
The heating device body is disposed outside the casing, and the air in the duct casing is passed through the heating device body.
At least at the bottom corner of the housing.
The surface is curved, and the upper surface of the bottom plate of the housing is inclined.
Bathroom air-conditioner characterized by comprising.