JPH08334255A - Air conditioner indoor unit - Google Patents

Abstract

(57) [Abstract] [Purpose] A plurality of wind direction plates are provided at the air outlet of the indoor unit of the air conditioner, and by rotating and holding these in accordance with the operation mode, comfort is improved and the appearance is improved. Make you look more beautiful. [Structure] The upper wind direction plate 1 is provided above the left and right side walls of the air outlet 6.
2 is rotatably supported, and a first auxiliary wind direction plate 14 is integrally provided on the back side of the upper wind direction plate 12, while a lower wind direction plate 16 is freely rotated below the left and right side walls of the outlet 6. Pivot,
A second auxiliary airflow direction plate 18 is integrally provided on the front side of the lower airflow direction plate 16, and during cooling, the upper airflow direction plate 12 and the second auxiliary airflow direction plate 18 are held in a substantially straight line in the front-rear direction so that the cool air flow is farther away. When heated, all of the wind direction plates are vertically rotated and held so that the warm air moves straight to the floor surface, and when the air flow is stopped, the upper wind direction plate 12 and the lower wind direction plate 16 are used. The exterior is made beautiful by closing the air outlet 6.

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 a structure of a wind direction plate provided at an outlet.

[0002]

2. Description of the Related Art An indoor unit of an air conditioner is shown in a side sectional view, for example, as shown in FIG. The housing 21 is the main body 2
2, a front cover 23 that is detachably attached to the main body 22, and a front panel 24 that is openably and closably attached to the front cover 23. And the front panel 24) has a suction port 25 for taking in the indoor air, and the blow-out port 2 for sending the heat-exchanged air into the room at the lower front part.
6 is provided. An air filter 28, a heat exchanger 29 that is bent back and forth, and a blower fan 30 are arranged in an air passage 27 that connects the suction port 25 and the blowout port 26, and the blowout port 26 has a wind direction toward the room. Air flow direction plates 31 and 32 that are adjusted up and down and a movable diffuser 33 are provided. During the cooling operation, the wind direction plates 31 and 32 and the movable diffuser 33 are controlled in a substantially horizontal direction to reduce the fall of the cool air, and during the heating operation, the wind direction plates 31 and 32 are rotated in a substantially vertical direction, and the movable diffuser 33 is moved in a solid line. The air outlet 26 is turned downward by rotating it forward to the position shown by, and the hot air is sent toward the floor surface.

[0003]

However, since the wind direction plates 31 and 32 shown in FIG. 4 are both small, they are not suitable for stabilizing the wind direction. For example, in the cooling operation, the space between the wind direction plate 32 and the movable diffuser 33 is not suitable. The flowing cold air drops, and in heating operation, the front surface of the air outlet 26 is not sufficiently closed, so that the warm air does not drop ideally and the warming near the floor becomes insufficient. Further, in appearance, the wind direction plates 31, 32 are horizontal as indicated by the broken lines during the cooling operation, so there is no problem of seeing the inside of the outlet, but during the heating operation, the wind direction plates 31, 32 There is a problem in that the external appearance is spoiled because the back side of these parts 32 appears on the front surface when the 32 rotates substantially vertically. Therefore, it is an object of the present invention to provide an indoor unit of an air conditioner that can sufficiently adjust the wind direction corresponding to the operation mode and is excellent in appearance.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a heat exchange is performed in an air passage that connects a suction port at an upper part of a housing and an air outlet at a lower part of the housing. And a blower fan or the like for sending out the air heat-exchanged by the heat exchanger to the outlet, and an upper wind direction plate pivotally supported on the upper part between the left and right side walls of the outlet, On the back side of the upper wind direction plate, there is provided a first auxiliary wind direction plate which is supported substantially in parallel with a predetermined gap, while a lower wind direction rotatably supported by a lower part between the left and right side walls of the outlet. The plate and a second wind direction plate supported by the upper wind direction plate so as to be aligned in the front-rear direction when the upper wind direction plate rotates horizontally with a predetermined gap on the front side of the lower wind direction plate. I decided to provide an auxiliary wind vane.

[0005]

With the above structure, for example, when the upper wind direction plate is rotated in the horizontal direction during the cooling operation, the upper wind direction plate and the second auxiliary wind direction plate provided on the lower wind direction plate side are blown out. Since it is in a state of being aligned in the front-rear direction inside the, the turbulence in the blowing air direction is reduced, and the cold air reaches farther ahead of the air outlet. Further, in the heating operation, by rotating and holding the upper wind direction plate and the lower wind direction plate in a substantially vertical direction, the two auxiliary wind direction plates are also held in a substantially vertical direction, so that the air blow to the floor is stable, When the blowing operation is stopped, the air outlet is blocked by the upper wind direction plate and the lower wind direction plate, so the inside cannot be seen and the appearance is improved.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Figure 1 shows the appearance of the indoor unit.
Is a casing including a main body 2, a front cover 3 that is detachably covered by the main body 2, and a front panel 4 that is attached to the front of the front cover 3 so as to be openable and closable. This case 1
Has an inlet 5 for indoor air in the upper part and the front part thereof, and an outlet 6 in the lower part front part. The inside of the center of the housing 1 is seen from the side as shown in FIG. The heat exchanger 9
A blower fan 10 that sends out the air that has been heat-exchanged by the heat exchanger 9 to the outlet 6 is arranged.

The rotary shaft 1 is provided above the left and right side walls of the outlet 6.
1. An upper wind direction plate 12 pivotally supported by 1 and a first auxiliary wind direction plate 1 supported by a support piece 13 substantially parallel to the back side of the upper wind direction plate 12 with a predetermined gap.
4 are provided. On the other hand, in the lower part between the left and right side walls of the outlet 6, a lower wind direction plate 16 rotatably supported by a rotary shaft 15, and a predetermined gap on the front side of the lower wind direction plate 16 are provided. A second auxiliary wind direction plate 18 supported by a support piece 17 is provided so as to be aligned in the front-rear direction with respect to the upper wind direction plate 12 when the 12 rotates in the horizontal direction. The rotary shaft 11 of the upper wind direction plate 12 and the rotary shaft 15 of the lower wind direction plate 16 are respectively driven by two stepping motors (not shown) arranged outside the side wall of the air outlet 6.

Hereinafter, these four wind direction plates 12, 14, 1
The operations of 6 and 18 will be described. The positions of the upper wind direction plate 11 (and the first auxiliary wind direction plate 14) and the lower wind direction plate 16 (and the second auxiliary wind direction plate 18) change according to the operation mode. As shown in A), the upper wind direction plate 12 is rotated and held in a substantially horizontal direction. At that time, the upper wind direction plate 12 and the second auxiliary wind direction plate 18 provided on the lower wind direction plate 16 side are arranged substantially in a straight line in the front-rear direction. This causes the cool air to be blown further away. Further, in the heating operation, as shown in FIG. 3B, the first auxiliary wind direction plate 14 and the second auxiliary wind direction plate 18 are also rotated by rotating the upper wind direction plate 12 and the lower wind direction plate 16 in a substantially vertical direction. Since it is held almost vertically, warm air will go straight to the floor. When the air flow is stopped, the upper airflow direction plate 12 and the lower airflow direction plate 16 are returned to the state shown in FIG. 2 and the air outlet 6 is closed, so that the inside cannot be seen.

[0009]

The indoor unit having the wind direction adjusting means as described above stabilizes the flow of cold air and warm air, improves comfort, and rotates the upper wind direction plate vertically. However, the back side does not face forward, and if the air flow is stopped, the upper and lower wind direction plates block the air outlet, so the appearance becomes more beautiful.

[Brief description of drawings]

FIG. 1 is an external perspective view of an indoor unit according to the present invention.

FIG. 2 is a side sectional view of the indoor unit showing the embodiment of the present invention.

FIG. 3 is an operation explanatory view of the wind direction plate according to the present invention.

FIG. 4 is a side sectional view of an indoor unit showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 5 Suction port 6 Air outlet 7 Air passage 8 Air filter 9 Heat exchanger 10 Blower fan 11 Rotating shaft 12 Upper wind direction plate 13 Support piece 14 First auxiliary wind direction plate 15 Rotating shaft 16 Lower wind direction plate 17 Support piece 18 Second auxiliary wind direction plate

Claims (7)

[Claims] 1. A heat exchanger, and an air blower for sending air, which has been heat-exchanged by the heat exchanger, to an air passage connecting a suction port at an upper part of the housing and an air outlet at a lower part of the housing. A fan or the like is provided, and an upper wind direction plate rotatably supported on the upper portion between the left and right side walls of the outlet is supported substantially parallel to the back side of the upper wind direction plate with a predetermined gap. While providing one auxiliary wind direction plate, a lower wind direction plate rotatably supported on the lower portion between the left and right side walls of the outlet and the upper wind direction plate with a predetermined gap on the front side of the lower wind direction plate. Is provided with a second auxiliary wind direction plate supported so as to be aligned in the front-rear direction with respect to the upper wind direction plate when the unit rotates horizontally. 2. The upper wind direction plate and the second air-conditioning plate during cooling operation.
The indoor unit for an air conditioner according to claim 1, wherein the auxiliary wind direction plates are held substantially horizontally and aligned. 3. The indoor unit of an air conditioner according to claim 1, wherein the upper wind direction plate and the lower wind direction plate are rotated and held substantially vertically during the heating operation. 4. The air outlet is closed by the upper wind direction plate and the lower wind direction plate when the operation is stopped.
Indoor unit of the described air conditioner. 5. The indoor unit for an air conditioner according to claim 1, wherein the upper wind direction plate is driven by a first stepping motor and the lower wind direction plate is driven by a second stepping motor. 6. The indoor unit for an air conditioner according to claim 1, wherein support pieces for supporting the first auxiliary wind direction plate are provided at at least one of left and right sides and a center of the upper wind direction plate. 7. The indoor unit for an air conditioner according to claim 1, wherein support pieces for supporting the second auxiliary wind direction plate are provided at at least one of the left and right sides and the center of the lower wind direction plate.