JPH06288605A - Indoor device of air conditioner - Google Patents

Abstract

PURPOSE:To reduce costs, and improve appearances by preventing condensation on a horizontal vane so that flocked short fabric surface is no more needed. CONSTITUTION:A horizontal vane 5 is provided so as to guide diffused air 3 diffused from an outlet 2 of an indoor unit main body 1 of an air conditioner, and diffused air guides 9 guiding the diffused air in an outward side direction are formed on a side part of a guiding face of the horizontal vane 5. The diffused air on another face of the vane is guided in the outward side direction by the above mentioned diffused air 3 guided in the outward side direction, and the side part of the two faces of the horizontal vane 5 is enclosed by the diffused air 3 so that the inclusion of room air is suppressed. When the horizontal vane 5 has closed the outlet 2, the face on which the diffused air guides 9 are not provided is made to face toward the room.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an indoor unit of an air conditioner, and more particularly to an indoor unit of an air conditioner having horizontal blades at its outlet.

[0002]

2. Description of the Related Art An indoor unit of a conventional air conditioner will be described with reference to FIG. This figure is a cross-sectional view of the main part of the indoor unit main body 51. The indoor air sucked from the front grill 52 by the fan 54 passes through the heat exchanger 53 and is sent to the air outlet 55. It shows a state in which the air is blown from 55 to the room.

The blow-out air 57 is guided in the vertical direction by the guide surface of the rotatable horizontal blade 56 provided at the blow-out port 55, and the blow-out air is blown at the left and right sides of the horizontal blade 56. Since the air volume of the wind 57 is small, for example, when the blowing air 57 is deflected upward as shown in the figure, on the lower surface side of the horizontal blade 56, the lower surface of the horizontal blade 56 shown by a broken line is formed. Since the flow along it weakens, room air will be taken in from this side at this part. Therefore, during the cooling operation, dew condensation 58 is generated on the lower surface of the end of the horizontal blade 56.

Therefore, for example, in Japanese Utility Model Application Laid-Open No. 61-27036 and Japanese Patent Application Laid-Open No. 4-169721, the horizontal blades 56 are subjected to a flocking process or a flocking material is adhered to absorb the dew condensation 58. It has been proposed to prevent dew condensation.

[0005]

However, in the above-mentioned conventional indoor unit of the air conditioner, there is a problem that dirt is likely to be accumulated at the flocked portion and that mold is likely to be generated due to the dirt. Further, there is a problem in that cost is increased because a lot of labor is required for the flocking processing work and the flocking material sticking work using the electrostatic action or the like.

The present invention has been made to solve the above conventional drawbacks, and an object thereof is to provide an indoor unit of an air conditioner capable of effectively preventing the occurrence of dew condensation. is there.

[0007]

Therefore, in the indoor unit of the air conditioner according to the first aspect of the present invention, in order to guide the blowout air 3 blown out from the blowout port 2 in the vertical direction, the horizontal unit is rotatable to the blowout port 2. An indoor unit of an air conditioner provided with blades 5 is characterized in that a blowout air guide 9 for guiding the blowout air 3 to the outside is formed at a side portion of the blowout port 2.

The indoor unit of the air conditioner according to a second aspect of the invention is characterized in that the blowout air guide 9 is formed on the horizontal blade 5.

Further, the indoor unit of the air conditioner according to claim 3 is
The blowout air guide 9 is formed on the guide surface side of the horizontal blade 5, and the outlet 2 can be opened and closed by the horizontal blade 5. When the horizontal blade 5 closes the outlet 2,
It is characterized in that the surface opposite to the guide surface faces the room.

An indoor unit of an air conditioner according to a fourth aspect of the present invention is characterized in that the side opposite to the guide surface of the horizontal blades 5 is formed in an arcuate cross section with a bulged center.

[0011]

In the indoor unit of the air conditioner according to the first aspect of the present invention, the blow-out air guide 9 guides the blow-out air 3 on the inner side, which is stronger than the blow-off air flowing on the side, to the outside. . As a result, the strong blowout air 3 from the inside flows on the side portions of the horizontal blades 5, and the horizontal blades 5 are wrapped by these, so that the entrainment of indoor air that has been conventionally generated is suppressed. To be done.

According to the indoor unit of the air conditioner of claim 2,
Since it is not necessary to change the internal structure, the configuration is easy.

Further, in the indoor unit for an air conditioner according to a third aspect of the present invention, even if the horizontal blades 5 rotate to close the air outlet 2, the surface on which the air outlet guide 9 is not formed faces the indoor side. Therefore, the appearance of the indoor unit body is not spoiled.

In the indoor unit of the air conditioner according to claim 4, since the surface opposite to the guide surface is formed in an arc shape,
At that part, it is easy for the flow to adhere to the surface,
The entrainment of the indoor air can be suppressed more effectively.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A concrete embodiment of an indoor unit for an air conditioner according to the present invention will be described in detail with reference to the drawings.
FIG. 1 shows an embodiment of the present invention and is a perspective view of a main part.

In the figure, reference numeral 1 denotes an indoor unit main body, and an air outlet 2 is opened from a lower front portion of the indoor unit main body 1 to a bottom surface thereof. Horizontal vanes 5 for guiding the blowing direction of the blowing air 3 upward or downward are arranged at the outlet 2. 2 to 4 show the horizontal blades 5, FIG. 2 is a plan view of the left end portion of the horizontal blades 5, FIG. 3 is a sectional view taken along arrow III in FIG. 2 are sectional views taken along the line IV in FIG. In these figures, 6 is a bracket connected to the end face of the horizontal blade 5, 7 is a shaft portion standing on the bracket 6, and the horizontal blade 5 is provided on the wall surface 4 via the bracket 6 and the shaft portion 7. Is rotatably and pivotally supported (Fig. 1
reference). Further, the horizontal blade 5 has a cross-sectional shape as shown in FIG. That is, in the figure, the guide surface for guiding the blowout air 3 flowing in the direction perpendicular to the rotation axis 8 is only slightly curved, but the lower surface on the opposite side prevents the blowout air 3 from peeling off. Then, in order to form an adhered flow along the lower surface, it is formed in an arc shape that largely bulges outward.

On the guide surface of the horizontal blade 5, a plurality of blowout air guides 9 are formed at positions on both sides of the guide surface. The blowing air guide 9 is V in FIG.
As shown in FIG. 5 showing a cross section taken along the arrow and FIG. 6 showing a cross section taken along the line VI in FIG. It is arranged so that it can be deflected to the part side, that is, the outer side. More specifically, the blowing air guide 9 has a height of about 2.5 m.
m, the arrangement pitch P is about 16 mm, and the inclination angle θ is 30 to 4
It is preferably 0 °, but not limited to this. The blowout air guides 9 are preferably provided on both the left and right sides, but especially when there is severe dew on only one side, or when some measure is taken on one side,
It may be provided only on one side.

In the indoor unit of the air conditioner having the above structure, when the operation of the indoor unit body 1 is stopped, that is, when the horizontal blade 5 closes the air outlet 2, the guide surface of the horizontal blade 5 is the indoor unit. The arc-shaped surface, which is located on the inner side of the main body 1 and on which the blowout air guide 9 is not formed, is arranged so as to face the indoor side.

When the operation is started, the blown air 3 is guided by the upper surface of the horizontal blade 5, that is, the guide surface to be deflected upward as shown in FIG.
As shown in FIG. 4, the strong blown air 3 on the inner side is guided to the wall surface 4 side, that is, to the outer side by the blown air guide 9. On the other hand, on the lower surface of the horizontal blade 5, as shown in FIG.
Thus, the blowing air 3 on the lower side is attracted outward. Therefore, on the side portions of the horizontal blades 5, strong blowing air 3 flows on both the upper and lower sides, and the side portions of the horizontal blades 5 are wrapped by the both blowing air 3,
The inclusion of indoor air is suppressed, and the occurrence of dew condensation during the cooling operation can be prevented. Further, since the lower surface of the horizontal blade 5 has an arc shape that bulges outward, the blown wind 3
Becomes a flow adhering to the arcuate surface, which further effectively suppresses the entrainment of the room air.

As described above, in the indoor unit of the air conditioner according to the above-mentioned embodiment, since it is possible to prevent the indoor air from being trapped in the lower surface side portion of the horizontal blade 5, it is possible to surely prevent the dew condensation during the cooling operation. Since it can be prevented, the work of attaching the flocking material, which is a countermeasure against dew condensation, which has been conventionally performed is unnecessary, and the cost can be reduced.

Further, when the horizontal blade 5 closes the air outlet 2, the inner surface faces the lower surface opposite to the guide surface, so that the appearance of the indoor unit body is not deteriorated and the design is improved. You can also plan. The above-mentioned blow-out guide 9
May be provided on either the upper or lower surface of the horizontal blade 5, or both the upper and lower surfaces, and in some cases, the blowing air guide 9 may be constituted by a vertical blade.

[0022]

As described above, in the indoor unit of the air conditioner according to the first aspect of the present invention, the side portions of the horizontal blades enclose the side portions of the horizontal blades by the blowing air, so that the indoor air is not entrained. It is possible to prevent the occurrence of dew condensation during the cooling operation. For this reason, it is not necessary to carry out the hair transplanting work which has been conventionally performed, so that the cost can be reduced.

The indoor unit of the air conditioner according to the second aspect of the invention does not require any change in the internal structure or the like, so that the structure thereof becomes easy.

According to the third aspect, the design of the indoor unit can be improved.

Further, according to the fourth aspect, it is possible to more effectively prevent the entrainment of room air, and it is possible to reliably prevent the occurrence of dew condensation.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts showing an embodiment of an indoor unit of an air conditioner of the present invention.

FIG. 2 is a plan view of a main part of a horizontal blade in the above embodiment.

3 is a cross-sectional view of the horizontal blade, which is a cross-sectional view taken along arrow III in FIG.

FIG. 4 is a side view of the horizontal blade, and is a cross-sectional view taken along the line IV in FIG.

5 is a cross-sectional view of the blowout air guide formed on the horizontal blades, and is a cross-sectional view taken along the arrow V in FIG.

6 is a cross-sectional view of the blowout air guide, which is a cross-sectional view taken along line VI in FIG.

FIG. 7 is a sectional view of a main part of a conventional indoor unit body.

[Explanation of Codes] 2 Outlet 3 Outlet 5 Horizontal blades 8 Rotation axis 9 Outlet guide

Claims (4)

[Claims] 1. An air conditioner provided with rotatable horizontal blades (5) at the outlet (2) in order to vertically guide an outlet wind (3) emitted from the outlet (2). An indoor unit for an air conditioner, characterized in that, in the indoor unit, a blowout air guide (9) for guiding the blowout air (3) to the outside is formed on a side portion of the blowout port (2). 2. The indoor unit for an air conditioner according to claim 1, wherein the blowout air guide (9) is formed on the horizontal blade (5). 3. A blowout air guide (9) is formed on the guide surface side of the horizontal blade (5), and the outlet (2) can be opened and closed by the horizontal blade (5), and the horizontal blade (5). )
The indoor unit of the air conditioner according to claim 2, wherein when the air outlet (2) is closed, the surface opposite to the guide surface faces the room. 4. The air conditioner according to claim 2 or 3, characterized in that a portion of the horizontal blade (5) opposite to the guide surface is formed in a circular arc shape with a bulged center. Indoor unit.