JPH09287766A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve temperature distribution on a floor surface at the time of heating and prevent a lowering of air flow rate at the time of cooling in a louver of air conditioner. SOLUTION: There are provided a blower, one or more heat exchangers spaced apart a predetermined distance from the blower, a box body housing the blower and heat exchangers, and a panel 6 with suction port and blowoff port 8 disposed below the box body, and in the port 8, there are provided a plurality of louvers 9 having arcuate cross section in such a manner that a rotation axis formed on each of the opposite ends of the louver is rotatably supported in a mount hole formed in both side walls of the port 8. In this case, a flap 9a extending against air flow and having a predetermined width is formed on the opposite ends of the louver 9 and when the louver 9 is set in nearly vertical direction at the time of heating, the interval between the louver 9 and a side wall 8a of the port 8 becomes smaller.

Description

Detailed Description of the Invention

[0001]

The present invention relates to an air conditioner,
The present invention relates to the shape of a louver arranged at the indoor air outlet.

[0002]

2. Description of the Related Art FIG. 4 shows a structure of an indoor unit of a separate type air conditioner in which a part of a conventional main body is embedded in a ceiling. The conventional air conditioner described above will be described below with reference to the drawings. In the figure, 1 is a centrifugal blower, 2 is a heat exchanger arranged at a blower outlet 1b of the blower 1 at a predetermined distance from the blower 1, and 3 is a blower 1 and a heat exchanger 2 inside. A box body to be stored, 4 is a heat insulating material adhered to the inside of the box body 3, 5 is a ceiling material, 6 is a panel exposed in the room, and a suction port 7 and a blowout port 8 are provided. ing.

FIG. 5 shows a cross section of the outlet 8. 8a is a side wall along the ceiling surface of the air outlet 8,
Is a louver having the shape shown in FIG. 6, and 10 is a rotating shaft that supports the louver.

The operation of the air conditioner configured as described above will be described below. First, the indoor air sucked into the box body 3 through the suction port 7 provided in the panel 6 is sucked into the suction port 1a of the blower 1 and is subjected to static pressure and dynamic pressure to be blown from the blowout port lb of the blower 1. After being blown out, heat is exchanged by the heat exchanger 2, the blowout airflow F is deflected from the blowout port 8 of the box body 3 by the louver 9 and blown out into the same room again, which serves to adjust the room temperature.

By the way, as shown in FIG. 5, the louver is used in a substantially vertical downward direction so that warm air can reach the floor surface at the time of heating, but the distance d between the louver and the side wall 8a is used. However, the wind velocity at the air outlet cannot be sufficiently obtained due to the large air gap.

On the other hand, when the louver is used in a substantially horizontal state during cooling, if the interval d is too narrow, there is a conflicting problem that the air volume decreases and the cooling capacity is disadvantageous.

[0007]

SUMMARY OF THE INVENTION An object of the present invention is to provide an air conditioner in which the louver increases the wind speed during heating to improve the temperature distribution on the floor surface during heating, while preventing a decrease in air flow during cooling. To provide.

[0008]

In order to solve the above problems, the present invention provides a blower, a single or a plurality of heat exchangers arranged at a predetermined interval from the blower, the blower and the heat exchanger. A box body containing an exchanger inside, and a panel having a suction port and a blowout port arranged at the lower part of the box body, and inside the blowout port, a louver having a circular cross section, In an air conditioner in which rotary shafts formed at both ends are rotatably supported in mounting holes formed in both side walls of the outlet, flaps having a predetermined lateral width extending in the windward direction are provided at both ends of the louver. Let it be formed.

Further, the stretched length of the flap is set to be approximately 1/2 of the vertical width of the louver. Further, the lateral width of the flap is made to correspond to the length between the attachment hole of the rotary shaft and the lower end of the air outlet. Further, the lateral width of the flap is made larger as the length between the attachment hole of the rotary shaft and the lower end of the air outlet is increased.

On the other hand, the upper end of the flap is formed at substantially the same position as the upper end of the curved surface of the air outlet facing the louver. Then, the thickness of the flap on the windward side is made gradually thinner toward the upper end. Further, the flap is formed so that its cross-sectional shape is an arc shape.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION A blower, a single or a plurality of heat exchangers arranged at a predetermined distance from the blower, a box body in which the blower and the heat exchanger are housed, and the same box. It is composed of a panel arranged at the lower part of the body and having a suction port and a blowout port, and inside the blowout port, there are louvers having a circular cross section, and rotary shafts formed at both ends thereof are provided on both side walls of the blowout port. In the air conditioner pivotally supported in the formed mounting hole, flaps having a predetermined lateral width extending in the windward direction are formed at both ends of the louver. With the above configuration, the wind speed during heating is increased by the flap.

[0012]

Embodiments of the air conditioner according to the present invention will now be described in detail with reference to the drawings. The structure of the indoor unit of the separate type air conditioner of one embodiment of the present invention is similar to that of the conventional example shown in FIG. 4, and FIG. 1 shows a separate structure in which a part of the main body in one embodiment of the present invention is embedded in the ceiling. FIG. 2 shows an air outlet for heating an indoor unit of a type air conditioner, and FIG. 2 shows an air outlet for cooling.

The louver 9 has a rotary shaft 10 rotatably supported in lower mounting holes on both side walls of the outlet, and is driven up and down by a louver variable mechanism (not shown) so that the louver 9 can be oriented. It has a structure that can be changed up and down to change the blowing direction of the wind, but during heating it is almost vertical,
It is almost horizontal during cooling. In FIG. 1, what is different from the conventional example is that the louver 9 in which a flap 9a having a predetermined lateral width extending in the windward direction is formed at both ends of the louver at the air outlet 8 is provided so that the louver is substantially vertical during heating. At this time, the distance d between the louver and the side wall 8a of the air outlet is reduced.

As shown in FIG. 3, when the vertical width of the flap is h and the vertical width at the center of the louver is hc, the stretched length (h-hc) of the flap is approximately hc. 1/2, the predetermined width w of the flap
However, the lateral width of the flap is increased as the y is increased corresponding to the length y between the attachment hole of the rotary shaft and the lower end of the air outlet, and the upper end of the flap faces the louver. Is formed at substantially the same position as the curved upper end of the side wall, and further, the thickness of the flap on the windward side is gradually reduced toward the upper end, and the cross-sectional shape of the flap is formed in an arc shape.

The operation of the air conditioner configured as above will be described below. As shown in FIG. 4 of the conventional example, first, during heating, the indoor air sucked into the box body 3 through the suction port 7 provided in the panel 6 is sucked into the suction port 1a of the blower 1, and the static pressure is reduced. Is blown out from the air outlet 1b of the blower 1, heat is exchanged by the heat exchanger 2, and the airflow F is deflected from the air outlet 8 of the box 3 by the louver 9 in a substantially vertical direction. Being blown into the same room,
It acts to regulate the room temperature.

Here, as shown in FIG. 1, the louver 9 is rotated about the rotary shaft 10 to be substantially vertical to the air outlet 8 of the panel 6 exposed in the room, and the louver and the air outlet are separated from each other. The distance d between the side wall 8a and the side wall 8a is reduced by the flap 9a to allow the blown airflow F to reach the floor surface. When the vertical width of the flap is h and the vertical width at the center of the louver is hc, the stretched length (h-hc) of the flap is approximately 1/2 of hc, and the predetermined lateral width of the flap is set. w is determined by the length y between the mounting hole of the rotating shaft and the lower end of the air outlet, and the larger y is, the wider the lateral width of the flap is formed, and the upper end of the flap faces the louver. Is formed at substantially the same position as the upper end of the curved surface of the side wall, and further, the thickness of the flap on the windward side is gradually formed toward the upper end, and since the cross-sectional shape of the flap is formed in an arc shape, At the time of heating when the flap is used in a substantially vertical direction, the blown air flow F
It is possible to improve the wind speed along with the flow of, and to avoid a decrease in the air volume during cooling.

On the other hand, during cooling, as shown in FIG. 2, the louver 9 is rotated to be substantially horizontal, and the blown air flow F is deflected in a substantially horizontal direction, so that the influence of the flaps is reduced and a decrease in air flow can be prevented.

The present invention uses the separate type air conditioner which is embedded in the ceiling having the suction port at one end and the blowout port at the other end of the panel shown in FIG. 4, but is not limited thereto. Instead, it can be applied to a separate type air conditioner embedded in a ceiling having a suction port in the center of the panel and a plurality of air outlets in the periphery.

[0019]

As described above, a blower, a single or a plurality of heat exchangers arranged at a predetermined interval from the blower, and a box containing the blower and the heat exchanger inside. A body and a panel having a suction port and a blowout port arranged at the lower part of the box body, inside the blowout port, there are louvers having an arc-shaped cross section, and a rotary shaft formed at both ends of the louver. In an air conditioner rotatably supported in mounting holes formed in both side walls of the outlet, at both ends of the louver,
Since a flap having a predetermined lateral width extending in the windward direction is formed, the louver increases the wind speed during heating to improve the floor surface temperature distribution during heating, while preventing air flow reduction during cooling. Machine can be provided.

[Brief description of drawings]

FIG. 1 is an enlarged cross-sectional view of a main portion of an air outlet when heating an air conditioner according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of the main parts of the air outlet when cooling the air conditioner of one embodiment of the present invention.

FIG. 3 is a perspective view of a louver according to an embodiment of the present invention.

FIG. 4 is a cross-sectional view showing an example of a conventional air conditioner.

FIG. 5 is an enlarged cross-sectional view of a main part of the air outlet when the conventional air conditioner is heated.

FIG. 6 is a perspective view of a louver of a conventional air conditioner.

[Explanation of symbols]

 1 Blower 1a Suction port 1b Air outlet 2 Heat exchanger 3 Box body 4 Insulating material 5 Ceiling material 6 Panel 7 Suction port 8 Air outlet 8a Side wall 9 Louver 9a Flap 10 Rotating shaft d Distance between louver and side wall of air outlet F Blow-off air flow h Vertical width of flap w Horizontal width of flap y Length between mounting hole of rotating shaft and lower end of outlet hc Vertical width at center of louver

Claims (7)

[Claims] 1. A blower, a single or a plurality of heat exchangers arranged at a predetermined distance from the blower, a box body in which the blower and the heat exchanger are housed, and a lower part of the box body. And a panel having a suction port and a blowout port. Inside the blowout port, louvers having a circular cross section are formed, and rotary shafts formed at both ends thereof are formed on both side walls of the blowout port. An air conditioner rotatably supported in a mounting hole, wherein flaps having a predetermined lateral width extending in the windward direction are formed at both ends of the louver. 2. The stretched length of the flap is set to be approximately half the vertical width of the louver.
The air conditioner as described. 3. The air conditioner according to claim 1, wherein a lateral width of the flap corresponds to a length between a mounting hole of the rotary shaft and a lower end of the air outlet. 4. The lateral width of the flap is increased as the length between the attachment hole of the rotary shaft and the lower end of the air outlet is increased.
The air conditioner according to claim 3, wherein the air conditioner has a large size. 5. The air conditioner according to claim 1, wherein an upper end of the flap is formed at substantially the same position as a curved upper end of an air outlet facing the louver. 6. The air conditioner according to claim 1, wherein the thickness of the flap on the windward side is gradually reduced toward the upper end. 7. The air conditioner according to claim 1, wherein a cross-sectional shape of the flap is formed in an arc shape.