JPH08334268A - Bathroom air conditioner - Google Patents

Abstract

PURPOSE: To provide a bathroom air conditioner whose heater terminals are protected from water and condensation of moisture and wiring work of which can be easily carried out. CONSTITUTION: Because a heater 20 has a structure consisting of a heater main body 21 disposed within a duct casing 2 and a terminal portion disposed outside of the duct casing 2, highly humid air flowing within the duct casing 2 does not have any change of getting in contact with the terminal portion 22 so that condensation does not occur on the terminal portion 22.

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 be used as a space for drying laundry as well as for ventilation or heating of a bathroom.

[0002]

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

The bathroom air conditioner 1 has a duct casing 2 having an opening on the lower surface and an electrical equipment box 3 installed on the upper surface of the duct casing 2.
Is covered with a front panel 4 and is installed on the ceiling 5 of the bathroom via the duct casing 2. The front panel 4 has a suction port 6 for circulating air on one side, and a blow-out port 7 and a suction port 8 for ventilation on the other side.
The louvers 9, 10 and 11 for rectification are installed in each of them.

A circulation fan 12, a ventilation fan 13 and a heater 14 are installed in the duct casing 2. 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 further shower water (broken line arrow in FIG. 5) to the heater 14 is arranged. Drainer plate 15 is provided on the leeward side to prevent adhesion.
Are installed in multiple stages.

In the bathroom air conditioner thus constructed, when the circulation fan 12 and the heater 14 are energized, the air in the bathroom passes through the suction port 6 and the duct casing as shown by the one-dot chain line arrow in FIG. It is sucked into the inside of the room 2, heated by the heater 14 and circulated in the bathroom. Also, when energizing the ventilation fan 13,
The air in the bathroom enters the duct casing 2 through the suction port 8 and is discharged to the outside through the exhaust duct 16.

Bathroom ventilation, bathroom heating or bathroom drying can be performed by selectively and selectively energizing each of the devices 12, 13 and 14 as described above.

[0007]

As described above, in the above-mentioned conventional bathroom air conditioner, the entire heater 14 is arranged in the duct casing 2 and the drain plate 15 prevents the shower water from adhering. Humid bathroom air circulates in the duct casing 2, which may cause dew condensation on the terminals of the heater 14. As a result, there is a problem that the terminal portion is corroded to cause a connection failure.

Further, the terminal portion is connected to the external power source through the wall of the duct casing 2, but a wiring hole must be provided in the wall of the duct casing 2 for this wiring. Therefore, through this hole, the duct casing 2
There is a problem that the humid air inside leaks out, which adversely affects other electronic devices and the like, and the wiring work inside the duct casing 2 is also troublesome.

In view of the above-mentioned conventional problems, an object of the present invention is to provide a bathroom air conditioner capable of preventing water from adhering to the terminal portion of the heating device as well as preventing the occurrence of dew condensation and improving durability, and also facilitating wiring work. To provide.

[0010]

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 air flowing in the duct casing. In the bathroom air conditioner having a heating device for heating, the heating device includes a heating device body that is a heating element and a terminal portion that energizes the heating device body, and the heating device body is disposed in the duct casing. , The terminal portion is arranged outside the duct casing.

According to a second aspect of the present invention, in the bathroom air conditioner according to the first aspect, the heating device main body is held in a casing through which air in the duct casing passes, and at least a corner portion on the bottom side of the casing. The inner surface is curved.

According to a third aspect of the present invention, in the bathroom air conditioner according to the first aspect, the heating device main body is held in a casing through which air in the duct casing passes, and a bottom plate upper surface of the casing is inclined. Become.

According to a fourth aspect of the present invention, in the bathroom air conditioner according to the first aspect, the heating device main body is held in a casing through which air in the duct casing passes, and at least a corner portion on the bottom side of the casing. The inner surface is curved, and the top surface of the bottom plate of the housing is inclined.

[0014]

According to the invention of claim 1, since the heating device has a structure having a heating device main body arranged inside the duct casing and a terminal portion arranged outside the duct casing, The humid air flowing through does not touch the terminal portion of the heating device and does not cause dew condensation on the terminal portion.

According to the second aspect of the present invention, the water or dew condensation attached to the housing holding the heating device body flows down along the wall of the housing and flows to the bottom plate of the housing. Since the inner surface of the corner is curved, the surface tension on the inner surface of the corner is weak, and water does not collect on the surface of the corner.

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

According to the invention of claim 4, water adhered to the inside of the housing can be easily drained by both the curved structure of the inner surface of the corner portion on the bottom side and the inclined structure of the bottom plate.

[0018]

1 to 3 show an embodiment of a bathroom air conditioner according to the present invention. FIG. 1 is a sectional view of the bathroom air conditioner.
FIG. 2 is a partially omitted front view of the heater and the heater box, and FIG. 3 is a partially omitted side sectional view of the heater and the heater box. The same components as those of the conventional example are represented by the same reference numerals.

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

The heater 20 comprises a heater body 21 which is a heat generating portion extending vertically and a terminal portion 22 which extends upward from the upper end of the heater body 21.
1 is arranged in the duct casing 2, while the terminal portion 2
2 is arranged in the electrical equipment box 3. Also, the heater 2
0 is accommodated and held in a vertically elongated heater box 30 made of resin.

The heater box 30 is partitioned into a heater body 21 side and a terminal portion 22 side with the upper plate 2a of the duct casing 2 as a boundary, and the heater body 21 side is arranged in front and rear so that the air in the duct casing 2 flows inside. It is open.
The inner surface 33 of the corner portion of the heater box 30 that intersects the side plate 31 and the bottom plate 32 is curved as shown in FIG. 2, while the upper surface 34 of the bottom plate 32 is leeward as shown in FIGS. 1 and 3. It is inclined downward toward. This inclination angle is set to at least 4 ° or more in order to drain water smoothly.

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

According to the present embodiment, the circulation fan 12 is driven to circulate the humid air in the bathroom as shown by the one-dot chain line arrow in FIG. 1, and the heater box 3 is circulated during this circulation.
The water condensed to 0 or the shower water attached to the heater box 30 flows down to the bottom plate 32 side through the side plate 31 of the heater box 30. This runoff water is on the inner surface 3 of the corner.
3, but because the inner surface 33 of this corner is curved,
Since the surface tension of water is weak, it does not collect on the inner surface 33 of the corner portion, 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, condensed water or the like can be smoothly drained.

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

Further, since the terminal portion 22 of the heater 20 is arranged in the electrical equipment box 3 and the heater box 30 for accommodating and holding the heater 20 partitions the heater main body 21 and the terminal portion 22, the inside of the duct casing 2 is closed. The humid air passing therethrough does not come into contact with the terminal portion 22, and the corrosion of the terminal portion 22 is prevented.

[0026]

As described above, according to the first aspect of the present invention, the humid air flowing in the duct casing does not come into contact with the terminal portion of the heating device, the terminal portion is prevented from being corroded, and the durability is improved. In addition to doing so, problems such as poor contact do not occur.

According to the second to third aspects of the invention, since the water adhering to the housing containing and holding the heating device is smoothly drained, the electric resistance of the heating device main body is increased by the water adhering to the housing. It never drops.

[Brief description of drawings]

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

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

FIG. 3 is a side sectional view of a heater and a heater box according to the present embodiment with some parts omitted.

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 ... Top surface of bottom plate.

Claims (4)

[Claims] 1. A bathroom air conditioner including 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. A bathroom air conditioner comprising a heating device main body and a terminal portion for energizing the heating device main body, the heating device main body being arranged in the duct casing, and the terminal portion being arranged outside the duct casing. . 2. The heating device main body is held in a casing through which air in the duct casing passes, and at least a corner inner surface on a bottom side of the casing is curved. Bathroom air conditioner as described. 3. The bathroom air conditioner according to claim 1, wherein the heating device main body is held in a casing through which air in the duct casing passes, and an upper surface of a bottom plate of the casing is inclined. . 4. The heating device main body is held in a casing through which air in the duct casing passes, and at least a bottom-side corner inner surface of the casing is curved, and a bottom plate of the casing. The bathroom air conditioner according to claim 1, wherein the upper surface is inclined.