JP2001116324A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve an inconvenience that a short circuit tends to cause causing diffused air to be sucked into air inlets as it is, in a ceiling-mounted type of air conditioner with air outlets arranged in the periphery of the air inlets. SOLUTION: Air outlets 7a to 7g are arranged one in each of seven areas except one area of a decorative panel 4a that is divided into eight portions circumferentially, and air is blown out downwardly from the four air outlets 7a, 7c, 7e, and 7g and horizontally from the three air outlets 7b, 7d, and 7f to reduce the number of short circuits and decrease the temperature difference on a horizontal surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner of a ceiling installation type such as a ceiling mounted type or a ceiling suspended type.

[0002]

2. Description of the Related Art In recent years, ceiling-mounted air conditioners, such as a ceiling-mounted type and a ceiling-suspended type, which perform cooling and heating by directly heating and cooling indoor air, have become widespread not only in stores but also in ordinary households.

[0003] In this ceiling-mounted type air conditioner, blown air is blown down from the vicinity of the ceiling. Generally, high-temperature air tends to rise because of its small density and lightness, and therefore is blown out during heating. Warm air tends not to reach near the floor. Therefore, the blowing direction is often downward during heating.

[0004] As a result, in a ceiling-embedded type air conditioner in which a suction port is provided at the center of the decorative panel and air outlets are provided at four sides around the panel, a part of the air blown into the room is sufficient. The short circuit is easily sucked into the suction port without reaching the bottom.

[0005] This short circuit raises the intake air temperature during heating, lowers the temperature during cooling to increase the load on the system, lowers system efficiency, and uses a room temperature sensor installed at the suction port. Since the operation becomes inefficient, such as erroneous detection of the room temperature and the thermo-off, or the temperature-adjusted air flow drifting to make it difficult to reach a desired space, it is a major problem to reduce the operation.

As a conventional air conditioner, Japanese Utility Model 4-2
There is one disclosed in Japanese Patent Publication No. 2203.

Hereinafter, the conventional air conditioner will be described with reference to the drawings.

FIG. 8 is a sectional view of a conventional air conditioner. FIG. 9 is a front view of a decorative panel of a conventional air conditioner.

In FIG. 8, reference numeral 1 denotes an indoor unit of an air conditioner embedded in a ceiling surface of a room. Reference numeral 2 denotes a heat exchanger that exchanges heat between the refrigerant and indoor air, and 3 denotes a blower that blows air to the heat exchanger 2. The heat exchanger 2 and the blower 3 are housed inside the indoor unit 1.

In FIG. 9, reference numeral 4 denotes a decorative panel provided on the lower surface of the indoor unit 1, reference numeral 5 denotes a filter or the like, and a suction port for sucking indoor air into the interior of the indoor unit 1 by a blower 3; An outlet that blows air that has been sucked in from the inlet 5 and heated or cooled by the heat exchanger 2 into a room, and 7 is a louver that can change the blowing direction of the air that is blown out from the blower 6 to a desired direction for each blower outlet. . 8 is
The airflow direction control means sets the blowout direction of the air blown from two opposing blowout ports downward, and sets at least one blowout direction of two adjacent blowout ports to the horizontal direction.

The operation of the air conditioner configured as described above will be described below.

First, when a heating operation is started by the air conditioner, room air is sucked from the suction port 5 by the blower 3. Further, the warm air heated by the heat exchanger 2 is blown into the room by the blower outlet 7.

In general, high-temperature air tends to rise because of its low density, and low-temperature air has a high density and tends to descend downward. Therefore, in an air conditioner that blows down air from the vicinity of the ceiling, during heating operation, high-temperature blown air floats before reaching the floor, resulting in an excessive vertical temperature difference, resulting in cold feet. There is a problem that the head becomes a hot and unpleasant environment.

Therefore, during heating, the blow-out direction is usually set to be downward. However, in an air conditioner provided with an outlet around the inlet, a short circuit in which the blown air is sucked into the inlet as it is when the blow direction is downward is likely to occur.

The air outlet 6 is controlled by the wind direction control means 8.
Out of the two opposing outlets is directed downward, and at least one of the remaining two adjacent outlets is directed horizontally.

As a result, the air blown out from one of the outlets 6 is in the horizontal direction, so that there is a passage for the sucked air below the air outlet, thereby alleviating the short circuit.

[0017]

However, in the above-mentioned conventional configuration, the direction of air blown out from the two opposed outlets is directed downward by the wind direction control means 8, and at least one of the two adjacent outlets is blown. Since the blowout direction is horizontal, the hot air blown out rises near the ceiling in the direction of the horizontal outlet, and the warm air blows up to the living area and near the feet in that direction. , And there is a drawback that the living area in the direction of the air outlet and the vicinity of the foot are not sufficiently warmed.

The present invention has been made to solve the conventional problems, and in addition to being able to reduce the short circuit, it is also intended to make the warm air reach the area of the living area in more directions and the vicinity of the feet for more uniform temperature. It is to provide an air conditioner that can perform.

Further, the above-mentioned conventional configuration is characterized in that the wind direction control means 8
Thereby, since the blowing direction of the air blown out from the two facing outlets is downward, and at least one of the two adjacent outlets is the horizontal direction,
In the direction of the horizontal outlet, the hot air blown out rises to the vicinity of the ceiling, and the hot air cannot reach the living area and the vicinity of the feet in that direction. There was a drawback that the living area in the direction of the outlet and the vicinity of the feet were not sufficiently warmed.

Another object of the present invention is to not only reduce the short circuit, but also to make the temperature more uniform by making the warm air reach the living area in more directions and the vicinity of the feet, and further reduce the feet temperature. It is to provide an air conditioner that can be raised.

[0021]

In order to achieve this object, the present invention comprises a suction port provided at the center of a decorative panel for sucking indoor air, and one of the decorative panels divided into eight in the circumferential direction. A louver provided in each of the other seven divided areas without the air outlet, and provided at each of the air outlets and capable of changing a blowing angle of the blown air in a desired vertical direction; First wind direction variable means for controlling three of them at substantially the same angle, second wind direction variable means for controlling four of the louvers at substantially the same angle,
The first air flow direction variable means is controlled to make the air blowing angles from the three air outlets substantially horizontal, and the second air flow direction variable means is controlled to make the air blowing angles from the other four air outlets smaller. A blow-off control means for downward facing;
The louvers controlled by the wind direction variable means and the louvers controlled by the second wind direction variable means are arranged alternately in the circumferential direction around the suction port.

[0022] Thus, a suction air passage is formed below the airflow blown substantially horizontally, so that the short circuit can be reduced. In addition to the above, the blowout blowout in the substantially horizontal direction and the blowout blowout in the circumferential direction can be reduced. Because it is arranged alternately, it is possible to improve the temperature uniformity in the horizontal plane by blowing the warm air at a downward angle toward four equal directions so that the warm air reaches the living area uniformly. Since the passage of the suction port can be formed in three equal directions, the circulating property of the airflow in the room is enhanced, and the temperature uniformity is improved.

Further, the interference between the blown airflows is reduced and the airflow propulsion is improved, so that the warm air can reach near the feet to improve the vertical temperature difference.

Also, the present invention is characterized in that the decorative panel is provided with a suction port for sucking room air, which is provided at the center of the decorative panel, and that the decorative panel is divided into eight areas in the circumferential direction without an outlet. One of the outlets is arranged in each of the seven areas, and a louver provided for each of the outlets and capable of changing a blowing angle of blown air in a desired vertical direction, and three of the louvers are controlled to have substantially the same angle. A first wind direction variable means, a second wind direction variable means for controlling four of the louvers to substantially the same angle, and an air blowing angle of air blown from three outlets by controlling the first wind direction variable means Is almost horizontal,
And controlling the second airflow direction variable means to set the airflow angle of the air blown out from the other four air outlets downward, and further, the airflow angle controlled by the first airflow direction variable means at predetermined time intervals and the second airflow angle. A louver controlled by the first airflow direction variable means and a louver controlled by the second airflow direction variable means are provided with airflow control means for reversing the airflow angle controlled by the airflow direction variable means. It is characterized by being arranged alternately.

[0025] Thus, a suction air path can be formed below the airflow blown substantially horizontally, so that the short circuit can be reduced. In addition, the blowout blowout blown substantially horizontally and the blowout blown downward are formed in the circumferential direction. Are alternately arranged at each outlet, and the blowing direction is switched between downward and substantially horizontal at predetermined time intervals, so that the warm air is blown downward at equal downward angles in four and three directions. The uniformity of warm air can be reached to improve uniformity in the horizontal plane, and the passage of the suction port can be evenly distributed in three and four directions. Is improved.

Furthermore, since the interference between the blown airflows is reduced and the airflow propulsion is improved, it is possible to make the warm air reach the vicinity of the feet and improve the vertical temperature difference. In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. it can. In addition, the present invention further includes a suction port provided at a central portion of the decorative panel for sucking indoor air, and the decorative panel is divided into eight areas in the circumferential direction, the other area being divided without an outlet in one area. One louver is provided in each area, and a louver provided for each of the air outlets, which can change a blowing angle of the blown air in a desired vertical direction and can close the air outlet, and three of the louvers are substantially First wind direction variable means for controlling the same angle; second wind direction variable means for controlling four of the louvers to substantially the same angle;
Controlling the wind direction variable means to close the three air outlets, controlling the second air direction variable means to lower the air blow angle of the air blown out from the other four air outlets, The louvers controlled by the first wind direction variable means and the louvers controlled by the second wind direction variable means are arranged alternately in the circumferential direction around the suction port.

By closing the three outlets, the passage of the intake air can be made, so that the short circuit can be reduced. In addition, the outlets to be closed and the outlets with the blowing direction downward are alternately arranged in the circumferential direction. Since the warm air is blown downward at a uniform angle in four directions, the warm air can uniformly reach the living area to improve the temperature uniformity in the horizontal plane. Since the path can be made evenly in three directions, the circulation of the airflow in the room is enhanced and the temperature uniformity is improved.

Further, by closing the three air outlets, the air volume at the other air outlets, that is, the wind speed is increased, so that it is possible to improve the reach of the hot air downward, and the vertical temperature difference can be improved.

Also, the present invention is characterized in that the decorative panel is provided with a suction port for sucking room air, which is provided at the center of the decorative panel, and that the decorative panel is divided into eight areas in the circumferential direction without an outlet. A louver is provided for each of the seven outlets, and a louver provided for each of the outlets, capable of changing a blowing angle of the blown air in a desired vertical direction, and closing the outlet is provided. A first wind direction variable means for controlling four of the louvers at substantially the same angle, a second wind direction variable means for controlling four of the louvers to substantially the same angle, and three wind control means for controlling the first wind direction variable means. The air outlet is closed, and the second air direction changing means is controlled to lower the air blowing angle of the air blown out from the other four air outlets. Further, the first air direction changing means and the second air direction are changed every predetermined time. Closed by means of variable wind direction A louver controlled by the first airflow direction variable means and a louver controlled by the second airflow direction variable means are provided with blowout control means for changing the other side downward and the other side downward. It is characterized by being arranged alternately.

By closing the three outlets, the passage of the intake air can be formed, and the short circuit can be reduced. In addition, the outlets to be closed and the outlets having the blowout direction downward are alternately arranged in the circumferential direction. And furthermore,
Since the outlet to be closed and the outlet to blow downward are changed at predetermined time intervals, warm air is uniformly blown down to the living area by blowing warm air at a downward angle in four equal directions and three directions. As a result, the temperature uniformity in the horizontal plane can be improved, and the passage of the suction port can be made uniform in three directions and four directions, so that the circulation of the airflow in the room is enhanced and the temperature uniformity is improved.

Further, by closing the three or four outlets, the amount of air at the other outlets, that is, the wind speed increases, so that it is possible to improve the reach of warm air downward and to improve the vertical temperature difference. . In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. it can.

[0032]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to an indoor unit having a built-in blower and a heat exchanger, a decorative panel provided on a lower surface of the indoor unit, and the decorative panel. The decorative panel is provided with a suction port which is provided at a central portion of the decorative panel, and the decorative panel is divided into eight areas in the circumferential direction, and one of the eight areas is divided into seven areas without a blow-out port.
A louver provided for each of the outlets and capable of changing a blowing angle of blown air in a desired vertical direction, and a first wind direction variable means for controlling three of the louvers to substantially the same angle A second airflow direction variable means for controlling four of the louvers to substantially the same angle; and a first airflow direction variable means for controlling the first airflow direction variable means to make the air blowing angle from the three air outlets substantially horizontal, A louver controlled by the first wind direction variable means, and a louver controlled by the first wind direction variable means; and a louver controlled by the first four wind direction variable means. The louvers controlled by the means are characterized in that they are alternately arranged in the circumferential direction around the suction port, and a passage of the suction air is formed below the airflow blown out in a substantially horizontal direction,
In addition to being able to reduce short circuits, the outlets that blow out in a substantially horizontal direction and the outlets that blow out downward are alternately arranged in the circumferential direction, so by blowing warm air at a downward angle toward four equal directions Warm air can uniformly reach the living area to improve the temperature uniformity in the horizontal plane, and the intake passage can be evenly distributed in three directions, so that the air circulation in the room is improved and the temperature uniformity is improved. Is improved.

Further, since the interference between the blown airflows is reduced and the airflow propulsion is improved, there is an effect that the hot air can reach the vicinity of the feet and the vertical temperature difference can be improved.

According to a second aspect of the present invention, there is provided an indoor unit including a blower and a heat exchanger, a decorative panel provided on a lower surface of the indoor unit, and an indoor unit provided at a central portion of the decorative panel. The decorative panel is provided with a suction port, and the decorative panel is divided into eight in the circumferential direction, and one of the eight divided areas is provided with no air outlet. A louver provided in the louver and capable of changing a blowing angle of the blowing air in a desired vertical direction; a first wind direction variable means for controlling three of the louvers to substantially the same angle;
A second wind direction variable means for controlling four of the louvers at substantially the same angle; and a third wind direction variable means for controlling the first wind direction variable means.
The air blowing angle of the air blown out from the four air outlets is substantially horizontal, and the air blowing angle of the air blown out from the other four air outlets is controlled downward by controlling the second wind direction variable means. A louver controlled by the first wind direction variable means, and a louver controlled by the first wind direction variable means; and a louver controlled by the second wind direction variable means. The louvers controlled by are characterized by being arranged alternately in the circumferential direction around the suction port, allowing the passage of suction air below the airflow blown out almost horizontally, reducing the short circuit In addition to being able to do so, the outlets that blow out in a substantially horizontal direction and the outlets that blow out downward are alternately arranged in the circumferential direction, and the blowout direction is downward at each outlet every predetermined time. Since it is replaced with the substantially horizontal direction, it is possible to make the warm air uniformly reach the living area by blowing out the warm air at a downward angle in four equal directions and three directions, thereby improving the temperature uniformity in the horizontal plane. ,Also,
Since the intake passage can be formed in three equal and four directions, the circulation of the airflow in the room is improved and the temperature uniformity is improved.

Further, since the interference between the blown airflows is reduced and the airflow propulsion is improved, it is possible to make the warm air reach the vicinity of the feet and improve the vertical temperature difference. In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. Has the effect of being able to.

According to a third aspect of the present invention, there is provided an indoor unit including a blower and a heat exchanger, a decorative panel provided on a lower surface of the indoor unit, and an indoor unit provided at a central portion of the decorative panel. The decorative panel is provided with a suction port, and the decorative panel is divided into eight in the circumferential direction, and one of the eight divided areas is provided with no air outlet. A louver capable of changing a blowing angle of blown air in a desired vertical direction and closing the outlet, a first wind direction variable means for controlling three of the louvers to substantially the same angle, and the louver A second wind direction variable means for controlling four of them at substantially the same angle;
Controlling the wind direction variable means to close the three air outlets, controlling the second air direction variable means to lower the air blow angle of the air blown out from the other four air outlets, The louver controlled by the first wind direction variable means and the louver controlled by the second wind direction variable means are arranged alternately in the circumferential direction around the inlet, and the three outlets are provided. In addition to providing a passage for the intake air by closing the opening, the short circuit can be reduced, and in addition, the outlets to be closed and the outlets with the blowing direction downward are alternately arranged in the circumferential direction, so that four equal directions are provided. By blowing the warm air downward at a downward angle, the warm air can reach the living area evenly, improving the temperature uniformity in the horizontal plane, and the intake path can be evenly distributed in three directions. , It improves the increased uniformity temperature circulation of airflow in the room.

Further, by closing the three air outlets, the air volume at the other air outlets, that is, the wind speed is increased, so that it is possible to improve the reach of warm air downward and to improve the vertical temperature difference. Have.

According to a fourth aspect of the present invention, there is provided an indoor unit having a built-in blower and a heat exchanger, a decorative panel provided on a lower surface of the indoor unit, and an indoor unit provided at a central portion of the decorative panel. The decorative panel is provided with a suction port, and the decorative panel is divided into eight in the circumferential direction, and one of the eight divided areas is provided with no air outlet. A louver capable of changing a blowing angle of blown air in a desired vertical direction and closing the outlet, a first wind direction variable means for controlling three of the louvers to substantially the same angle, and the louver A second wind direction variable means for controlling four of them at substantially the same angle;
Controlling the wind direction changing means to close the three air outlets, and controlling the second air direction changing means to lower the air blowing angle from the other four air outlets. A louver controlled by the first wind direction variable means, comprising a blowout control means for changing an air outlet closed by the first wind direction variable means and the second wind direction variable means, and changing the other downward. The louvers controlled by the wind direction variable means are characterized in that they are alternately arranged in the circumferential direction around the suction port. By closing the three outlets, a passage of the suction air is formed, and the short circuit is controlled. In addition to the above, the outlet to be closed and the outlet to blow downward are alternately arranged in the circumferential direction, and further, the outlet to be closed and the outlet to blow downward are arranged at predetermined intervals. Since it is changed, it is possible to uniformly reach the living area by blowing warm air at a downward angle in four equal directions and three directions, thereby improving the temperature uniformity in the horizontal plane. Since the passage of the mouth can be formed in three equal directions and four directions, the circulation of the airflow in the room is improved, and the temperature uniformity is improved.

Further, by closing the three or four outlets, the air volume at the other outlets, that is, the wind speed increases, so that it is possible to improve the reach of warm air downward and to improve the vertical temperature difference. . In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. Has the effect of being able to.

[0040]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an air conditioner according to the present invention will be described below with reference to the drawings. The same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

(Embodiment 1) FIG. 1 is a sectional view of an indoor unit of an air conditioner according to Embodiment 1 of the present invention. FIG. 2 is a front view of a decorative panel of the air conditioner of the embodiment.

In FIG. 1, 1 is a heat exchanger 2 and a blower 3
This is an indoor unit that incorporates

4a is a decorative panel provided on the lower surface of the indoor unit 1. In FIG. 2, the decorative panel 4a has a suction port 5 for sucking indoor air at the center, and the decorative panel 4a is provided.
a is divided into eight in the circumferential direction, and one of the eight divided areas has no outlet, and each of the other seven divided areas has one of the outlets 6a.
~ 6g are arranged.

The louvers 7a to 7g are provided for each of the outlets 6a to 6g and can change the blowing angle of the blowing air in a desired vertical direction. 9a is a louver 7b, 7
first wind direction variable means for controlling d and 7f to be substantially the same angle,
Reference numeral 10a denotes a second wind direction variable means for controlling the louvers 7a, 7c, 7e, 7g at substantially the same angle. 11a is the first
The wind direction variable means 9a to control the outlets 6b, 6d, 6f
The blowout angle of the air blown from the air outlet is made substantially horizontal, and the other four outlets 6a, 6 are controlled by controlling the second wind direction variable means 10a.
This is a blowout control unit that sets the blowout angle of the air blown out from c, 6e, and 6g downward. The louvers 7b, 7d, 7f controlled by the first wind direction variable means 9a and the louvers 7a, 7c, 7e, controlled by the second wind direction variable means 10a.
7g is characterized by being alternately arranged in the circumferential direction around the suction port.

The operation of the air conditioner configured as described above will be described below.

First, when a heating operation is started by the air conditioner, room air is sucked from the suction port 5 by the blower 3. Further, the warm air heated by the heat exchanger 2 is blown into the room through the outlets 6a to 6g.

In general, high-temperature air tends to rise because of its low density, and low-temperature air tends to have a high density and fall downward. Therefore, in an air conditioner that blows down air from the vicinity of the ceiling, during heating operation, high-temperature blown air floats before reaching the floor, resulting in an excessive vertical temperature difference, resulting in cold feet. There is a problem that the head becomes a hot and unpleasant environment.

Therefore, during heating, the blow-out direction is usually set to be downward. However, in an air conditioner provided with an outlet around the inlet, when the blowout direction is downward, the outlet airflow surrounds the inlet 5, and the short-circuit in which the outlet air is sucked into the inlet as it is. Circuits are more likely to occur.

Here, the first blowing control means 11a
Of the three air outlets 6b and 6
d, 6f, the blowout angle of the air blown out is made substantially horizontal, and the second wind direction variable means 10a is controlled to control the other four blowout ports 6a.
The blowing angle of the air blown from a, 6c, 6e, and 6g is downward. As a result, a passage for the intake air is formed below the airflow blown out in a substantially horizontal direction, and the short circuit can be reduced.

The louvers 7b, 7d and 7f controlled by the first wind direction changing means 9a and the second wind direction changing means 1
The louvers 7a, 7c, 7e, and 7g controlled by Oa are alternately arranged in the circumferential direction around the inlet, so that the outlets that blow out in a substantially horizontal direction and the outlets that blow out downward are alternately arranged in the circumferential direction. The Rukoto.

By blowing out the warm air at a downward angle in four equal directions, the warm air can reach the living area evenly and the temperature uniformity in the horizontal plane can be improved. Since the three sides can be evenly distributed, the circulation of the airflow in the room is enhanced, and the temperature uniformity is improved. Further, since the interference between the blown airflows is reduced and the airflow propulsion is improved, it is possible to make the warm air reach the vicinity of the feet and improve the vertical temperature difference.

As described above, the air conditioner of this embodiment includes the indoor unit 1 having the blower 3 and the heat exchanger 2 built therein, the decorative panel 4a provided on the lower surface of the indoor unit 1, and the decorative panel. The decorative panel 4a is provided with a suction port 5 which is provided at a central portion of the interior panel 4a and inhales room air. Outlets 6a to 6g are provided, and louvers 7a to 7g provided for each outlet and capable of changing a blowing angle of blown air in a desired vertical direction, and a first louver 7a to 7g for controlling three of the louvers 7a to 7g to substantially the same angle. And the second of the four louvers 7a to 7g are controlled to have substantially the same angle.
And the first wind direction varying means 9a is controlled to make the air blowing angles from the three outlets 6b, 6d, 6f substantially horizontal, and the second wind direction varying means 10a is controlled by controlling the second wind direction varying means 10a. Blow control means 1 for lowering the blow angle of air blown from the four blow outlets 6a, 6c, 6e, 6g.
1a, the louvers 7b, 7d, 7f controlled by the first wind direction variable means 9a and the louvers 7a, 7c, 7e, 7g controlled by the second wind direction variable means 10a alternately circumferentially around the suction port. It is characterized by being arranged, and the intake air passage can be formed below the airflow blown out in a substantially horizontal direction, and in addition to reducing the short circuit, the outlet that blows out in a substantially horizontal direction and the downward Outlets are arranged alternately in the circumferential direction, so that warm air is blown downward at a uniform angle in four equal directions so that the warm air reaches the living area evenly, improving the temperature uniformity in the horizontal plane. In addition, since the path of the suction port can be evenly distributed in three directions, the circulation of the airflow in the room is improved, and the temperature uniformity is improved.

Further, the interference between the blown airflows is reduced and the airflow propulsion is improved, so that the warm air can reach near the feet to improve the vertical temperature difference.

(Embodiment 2) FIG. 3 is a front view of a decorative panel of an air conditioner according to Embodiment 2 of the present invention. FIG. 4 is a characteristic diagram showing the operation of the embodiment.

In FIG. 3, reference numeral 4b denotes a decorative panel provided on the lower surface of the indoor unit 1. The decorative panel 4b has a suction port 5 for sucking indoor air at a central portion thereof.
b is divided into eight parts in the circumferential direction, and one of the eight divided areas has no blowout port.
a to 12 g are arranged.

13a to 13g are blow-out ports 12a to 12g
The louver is provided for each of the louvers and can change the blowing angle of the blowing air in a desired vertical direction. 9b is first wind direction variable means for controlling the louvers 13b, 13d, 13f to substantially the same angle, and 10b is louvers 13a, 13c, 13
e, 13g is a second wind direction variable means for controlling the same angle. 11b controls the first airflow direction variable means 9b to make the air blowing angles of the three air outlets 12b, 12d and 12f substantially horizontal, and controls the second airflow direction variable means 10b to control the other four airflow directions. Exits 12a, 12c, 12e, 1
A blowout control unit that sets the blowout angle of the air blown from 2g downward, and further reverses the blowout angle controlled by the first wind direction variable unit 9b and the blowout angle controlled by the second wind direction variable unit 10b at predetermined time intervals. .

The louvers 13b, 13d, 13f controlled by the first wind direction changing means 9b and the second wind direction changing means 1
0b, louvers 13a, 13c, 13e,
13g is characterized by being arranged alternately in the circumferential direction around the suction port.

The operation of the air conditioner configured as described above will be described below.

First, when a heating operation is started by the air conditioner, room air is sucked from the suction port 5 by the blower 3. Further, the warm air heated by the heat exchanger 2 is blown into the room through the outlets 12a to 12g.

In general, high-temperature air tends to rise because of its low density, and low-temperature air has a high density and tends to descend downward. Therefore, in an air conditioner that blows down air from the vicinity of the ceiling, during heating operation, high-temperature blown air floats before reaching the floor, resulting in an excessive vertical temperature difference, resulting in cold feet. There is a problem that the head becomes a hot and unpleasant environment.

For this reason, during heating, the blow-out direction is usually set to be downward. However, in an air conditioner provided with an outlet around the inlet, when the blowout direction is downward, the outlet airflow surrounds the inlet 5, and the short-circuit in which the outlet air is sucked into the inlet as it is. Circuits are more likely to occur.

Here, the blow-out control means 11b controls the first
Of the three air outlets 12b, 1
The blow angle of the air blown from 2d and 12f is made substantially horizontal, and the blow angle of the air blown from the other four blow outlets 12a, 12c, 12e and 12g is made downward by controlling the second wind direction variable means 10b. As a result, a passage for the intake air is formed below the airflow blown out in a substantially horizontal direction, and the short circuit can be reduced.

Further, the blow angle controlled by the first wind direction variable means 9b and the blow angle controlled by the second wind direction variable means 10b are changed by the blow control means 11b at predetermined time intervals. As shown in the characteristic diagram, the blowing angles are switched.

The louvers 13b, 13d and 13f controlled by the first wind direction changing means 9b and the louvers 13a, 13c and 1 controlled by the second wind direction changing means 10b.
3e and 13g are alternately arranged in the circumferential direction around the suction port.

Therefore, the outlets that blow in a substantially horizontal direction and the outlets that blow in a downward direction are alternately arranged in the circumferential direction, and the blowing direction is switched at every predetermined time between the downward direction and the substantially horizontal direction. By blowing the warm air at downward angles in four directions and three directions, the warm air can reach the living area uniformly and improve the temperature uniformity in the horizontal plane. Since the air flow can be performed in three directions and four directions, the circulation of the airflow in the room is enhanced, and the temperature uniformity is improved.

Furthermore, since the interference between the blown air flows is reduced and the air flow propulsion is improved, the warm air can reach near the feet to improve the vertical temperature difference. In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. it can.

As described above, the air conditioner of the present embodiment includes the indoor unit 1 having the built-in blower 3 and the heat exchanger 2, the decorative panel 4b provided on the lower surface of the indoor unit 1, and the decorative panel. The decorative panel 4b is provided with a suction port 5 which is provided at a central portion of the decorative panel 4b and in which the decorative panel 4b is divided into eight in the circumferential direction. Outlets 12a to 12g are provided, and louvers 13a to 13g provided for each outlet and capable of changing the blowing angle of blown air in a desired vertical direction, and a first wind direction variable for controlling three of the louvers to substantially the same angle. Means 9b, second wind direction variable means 10b for controlling four of the louvers to substantially the same angle, and first air direction variable means 9b for controlling the air blowing angle from the three outlets to be substantially horizontal, And second
Of the air blowing from the other four outlets to the downward direction, and the blowing angle controlled by the first wind direction varying means 9b and the second wind direction varying means 10b every predetermined time. The louver controlled by the first wind direction variable means 9b and the louver controlled by the second wind direction variable means 10b are arranged alternately in the circumferential direction around the suction port. It is characterized by having been done, there is a passage for suction air below the air blown out in a substantially horizontal direction,
In addition to being able to reduce the short circuit, the outlets that blow out in a substantially horizontal direction and the outlets that blow out downward are alternately arranged in the circumferential direction.Furthermore, at each outlet, the blowout direction is downward and substantially horizontal at predetermined time intervals. Will be replaced with
By blowing warm air at a downward angle in four equal directions and three directions, the warm air can reach the living area evenly, and the temperature uniformity in the horizontal plane can be improved. Since the three directions and the four directions are equal, the circulation of the airflow in the room is enhanced, and the temperature uniformity is improved.

Further, since the interference between the blown air flows is reduced and the air flow propulsion is improved, the warm air can reach near the feet to improve the vertical temperature difference. In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. it can.

Embodiment 3 FIG. 5 is a front view of a decorative panel of an air conditioner according to Embodiment 3 of the present invention.

In FIG. 5, reference numeral 4c denotes a decorative panel provided on the lower surface of the indoor unit 1. The decorative panel 4c is provided with a suction port 5 for sucking room air at the center, and the decorative panel 4c is provided.
Is divided into eight in the circumferential direction, and there is no outlet in one area, and the outlets 14a are provided one by one in the other seven divided areas.
~ 14g are arranged.

The outlets 14a to 14g are 15a to 15g.
The louver is provided for each of the louvers and can change the blowing angle of the blowing air in a desired vertical direction, and can close each of the blowout ports 14a to 14g.

9c is the louvers 15b, 15d, 15f
Is a second wind direction variable means for controlling the louvers 15a, 15c, 15e, 15g to substantially the same angle.

11c controls the first wind direction changing means 9c to close the three air outlets, and the second wind direction changing means 10c
Is controlled so that the blowout angle of the air blown out from the other four blowout ports is downward.

The louvers 15b, 15d and 15f controlled by the first wind direction changing means 9c and the second wind direction changing means 1
Louvers 15a, 15c, 15e controlled by 0c
15g is characterized by being arranged alternately in the circumferential direction around the suction port.

The operation of the air conditioner configured as described above will be described below.

First, when a heating operation is started by the air conditioner, room air is sucked from the suction port 5 by the blower 3. Further, the warm air heated by the heat exchanger 2 is blown into the room through the outlets 14a to 14g.

In general, high-temperature air tends to rise because of its low density, and low-temperature air has a high density and tends to descend downward. Therefore, in an air conditioner that blows down air from the vicinity of the ceiling, during heating operation, high-temperature blown air floats before reaching the floor, resulting in an excessive vertical temperature difference, resulting in cold feet. There is a problem that the head becomes a hot and unpleasant environment.

Therefore, during heating, the blow-out direction is usually set to be downward. However, in an air conditioner provided with an outlet around the inlet, when the blowout direction is downward, the outlet airflow surrounds the inlet 5, and the short-circuit in which the outlet air is sucked into the inlet as it is. Circuits are more likely to occur.

Here, the first blow-out control means 11c
Of the three air outlets 14b, 1
4d and 14f are closed, and the other four air outlets 14a, 14c, 14e, and 14 are controlled by controlling the second wind direction changing means 10c.
The blowing angle of the air blown from g is downward. As a result, a passage for the intake air is formed at the closed outlets 14b, 14d, and 14f, and the short circuit can be reduced.

The louvers 15b, 15d, 15f controlled by the first wind direction variable means 9c and the louvers 15a, 15c, 1 controlled by the second wind direction variable means 10c.
5e and 15g are alternately arranged in the circumferential direction around the suction port, so that the warm air is uniformly blown down to the living area region by blowing out the warm air at a downward angle in four equal directions, so that the warm air can be uniformly reached in the living area. Since the temperature uniformity can be improved, and the passage of the suction port can be evenly distributed in three directions, the circulating property of the airflow in the room is enhanced, and the temperature uniformity is improved.

Further, by closing the three air outlets, the air volume at the other air outlets, that is, the wind speed is increased, so that it is possible to improve the reach of the warm air downward and to improve the vertical temperature difference.

As described above, the air conditioner according to the present embodiment includes the indoor unit 1 having the blower 3 and the heat exchanger 2 built therein, the decorative panel 4c provided on the lower surface of the indoor unit 1, and the decorative panel. The decorative panel 4c is provided with a suction port 5 which is provided at a central portion of the interior panel 4c and inhales room air. The louvers 15a to 15g which are provided with outlets 14a to 14g, are provided for each outlet, can change the blowing angle of the blown air in a desired vertical direction, and can close the outlets.
A first wind direction variable means 9c for controlling three of the louvers at substantially the same angle; a second wind direction variable means 10c for controlling four of the louvers at substantially the same angle; and a first wind direction variable means. 9c to close the three outlets, and to control the second variable air direction means 10c to lower the blowout angle of the air blown out from the other four outlets 11c.
Wherein the louvers controlled by the first wind direction variable means 9c and the louvers controlled by the second wind direction variable means 10c are arranged alternately in the circumferential direction around the suction port, By closing the three air outlets, a passage for the intake air is created, and the short circuit can be reduced. In addition, the air outlets to be closed and the air outlets with the blow direction downward are alternately arranged in the circumferential direction. By blowing the warm air at a downward angle toward four equal directions, the warm air can uniformly reach the living area to improve the temperature uniformity in the horizontal plane. Therefore, the circulation of the airflow in the room is improved, and the temperature uniformity is improved.

Further, by closing the three air outlets, the air volume at the other air outlets, that is, the wind speed is increased, so that it is possible to improve the reach of the hot air downward and to improve the vertical temperature difference. .

Embodiment 4 FIG. 6 is a front view of a decorative panel of an air conditioner according to Embodiment 4 of the present invention.

In FIG. 6, reference numeral 4d denotes a decorative panel provided on the lower surface of the indoor unit 1. The decorative panel 4d is provided with a suction port 5 for sucking room air in the center, and the decorative panel 4d is provided.
Is divided into eight in the circumferential direction, and there is no outlet in one area, and the outlets 16a are provided one by one in the other seven divided areas.
~ 16g are arranged.

17a to 17g are air outlets 16a to 16g
The louver is provided for each of the louvers, and can change the blowing angle of the blowing air in a desired vertical direction, and can close each of the blowout ports 16a to 16g. 9d is louver 17
This is a first wind direction variable means for controlling b, 17d and 17f to substantially the same angle. 10d is louvers 17a, 17c,
This is a second wind direction variable means for controlling 17e and 17g at substantially the same angle.

11d controls the first wind direction changing means 9d to close the three air outlets, and the second wind direction changing means 1d.
0d is controlled so that the blowout angle of the air blown out from the other four blowout ports is downward, and the blowout ports closed by the first wind direction variable means 9d and the second wind direction variable means 10d every predetermined time are reversed. It is a blowing control means for changing the other downward. The louvers controlled by the first wind direction variable means 9d and the louvers controlled by the second wind direction variable means 10d are alternately arranged in the circumferential direction around the suction port.

The operation of the air conditioner configured as described above will be described below.

First, when a heating operation is started by the air conditioner, room air is sucked from the suction port 5 by the blower 3. Further, the warm air heated by the heat exchanger 2 is blown into the room through the outlets 16a to 16g.

In general, high-temperature air tends to rise because of low density, and low-temperature air has high density and tends to drop downward. Therefore, in an air conditioner that blows down air from the vicinity of the ceiling, during heating operation, high-temperature blown air floats before reaching the floor, resulting in an excessive vertical temperature difference, resulting in cold feet. There is a problem that the head becomes a hot and unpleasant environment.

Therefore, during heating, the blow-out direction is usually used in a downward direction. However, in an air conditioner provided with an outlet around the inlet, when the blowout direction is downward, the outlet airflow surrounds the inlet 5, and the short-circuit in which the outlet air is sucked into the inlet as it is. Circuits are more likely to occur.

Here, the first blowing control means 11d
Of the three air outlets 16b, 1
6d and 16f are closed, and the other four air outlets 16a, 16c, 16e and 16 are controlled by controlling the second wind direction changing means 10d.
The blowing angle of the air blown from g is downward. As a result, a passage for the intake air is formed at the closed outlets 16b, 16d, and 16f, and the short circuit can be reduced.

After a lapse of a predetermined time, the blowing control means 11
d, the outlet to be closed is reversed and the other is changed downward, so that the outlets 16b, 16d, and 16f are changed from closed to blow-down, and the outlets 16a, 16c, and
16e and 16g are closed and changed from the downward blow angle. As a result, the closed outlets 16a, 16c, 16
e, a passage for the blown air is formed at the portion of 16 g, and the short circuit can be reduced. The outlet 16
Since the air is blown downward in the directions of b, 16d, and 16f, the air is uniformly blown into the living area.

Therefore, the outlet to be closed and the outlet to be blown downward are changed at predetermined time intervals.
By blowing out the warm air at a downward angle in the direction and the three directions, the warm air can uniformly reach the living area to improve the temperature uniformity in the horizontal plane, and the passage of the suction port is evenly distributed. Since the air flow can be made in the four directions and the four directions, the circulation of the airflow in the room is enhanced, and the temperature uniformity is improved.

Further, by closing the three or four outlets, the amount of air at the other outlets, that is, the wind speed increases, so that it is possible to improve the reach of warm air downward and to improve the vertical temperature difference. . In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. it can.

As described above, the air conditioner of this embodiment includes the indoor unit 1 having the blower 3 and the heat exchanger 2 built therein, the decorative panel 4d provided on the lower surface of the indoor unit 1, the decorative panel The decorative panel 4d is provided with a suction port 5 that is provided at the center of the 4d and sucks indoor air. A louver 1 in which outlets 16a to 16g are arranged, each outlet is provided with each outlet, the outlet angle of the outlet air can be changed in a desired vertical direction, and the outlets 16a to 16g can be closed.
7a to 17g, first wind direction variable means 9d for controlling three of the louvers 17a to 17g at substantially the same angle, and second wind direction variable means for controlling four of the louvers 17a to 17g at substantially the same angle 10d and first wind direction variable means 9d
To close the three air outlets, and to control the second air flow direction changing means 10d to lower the air blowing angle of the air blown out from the other four air outlets. A blower control means 11d for changing the air outlet closed by the means 9d and the second wind direction changing means 10d in the opposite direction and changing the other direction downward, a louver controlled by the first wind direction changing means 9d, and the second wind direction changing means. The louvers controlled by the means 10d are characterized in that they are alternately arranged in the circumferential direction around the suction port, and by closing the three outlets, a passage for the suction air is formed, thereby reducing a short circuit. In addition to the above, the outlets to be closed and the outlets with the blowing direction facing downward are alternately arranged in the circumferential direction. Since the warm air is blown downward at equal angles in four directions and three directions, the warm air can uniformly reach the living area, and the uniformity in the horizontal plane can be improved. Since the intake passage can be formed in three equal and four directions, the circulation of the airflow in the room is improved and the temperature uniformity is improved.

Further, by closing the three or four outlets, the amount of air at the other outlets, that is, the wind speed increases, so that it is possible to improve the reach of warm air downward and to improve the vertical temperature difference. . In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. it can.

[0098]

As described above, according to the first aspect of the present invention, there is provided an indoor unit including a blower and a heat exchanger, a decorative panel provided on a lower surface of the indoor unit, and the decorative panel. The decorative panel is provided with a suction port which is provided at a central portion of the decorative panel, and the decorative panel is divided into eight areas in the circumferential direction, and one of the eight areas is divided into seven areas without a blow-out port.
A louver provided for each of the outlets and capable of changing a blowing angle of blown air in a desired vertical direction, and a first wind direction variable means for controlling three of the louvers to substantially the same angle A second airflow direction variable means for controlling four of the louvers to substantially the same angle; and a first airflow direction variable means for controlling the first airflow direction variable means to make the air blowing angle from the three air outlets substantially horizontal, A louver controlled by the first wind direction variable means, and a louver controlled by the first wind direction variable means; and a louver controlled by the first four wind direction variable means. The louvers controlled by the means are characterized in that they are alternately arranged in the circumferential direction around the suction port, and a passage of the suction air is formed below the airflow blown out in a substantially horizontal direction,
In addition to being able to reduce short circuits, the outlets that blow out in a substantially horizontal direction and the outlets that blow out downward are alternately arranged in the circumferential direction, so by blowing warm air at a downward angle toward four equal directions Warm air can uniformly reach the living area to improve the temperature uniformity in the horizontal plane, and the intake passage can be evenly distributed in three directions, so that the air circulation in the room is improved and the temperature uniformity is improved. Is improved.

Further, since the interference between the blown air flows is reduced and the air flow propulsion is improved, the warm air can reach near the feet and the vertical temperature difference can be improved.

Further, the invention according to claim 2 is provided with a suction port provided at a central portion of the decorative panel for sucking room air, and an outlet is provided in one of the eight divided circumferential panels. 1 in the other 7 areas divided without
A louver provided for each of the outlets and capable of changing a blowing angle of blown air in a desired vertical direction, and a first wind direction variable means for controlling three of the louvers to substantially the same angle A second airflow direction variable means for controlling four of the louvers to substantially the same angle; and a substantially horizontal airflow angle of air blown from the three air outlets by controlling the first airflow direction variable means. The second wind direction variable means is controlled to lower the blow angle of the air blown out from the other four outlets, and the blow angle controlled by the first wind direction variable means and the second wind direction variable at predetermined time intervals. A louver controlled by the first wind direction variable means; and a second louver controlled by the first wind direction variable means.
The louvers controlled by the wind direction variable means are characterized by being arranged alternately in the circumferential direction around the suction port, and there is a passage for the suction air below the airflow blown substantially horizontally, In addition to being able to reduce the short circuit, the outlets that blow out in a substantially horizontal direction and the outlets that blow out downward are alternately arranged in the circumferential direction.Furthermore, at each outlet, the blowout direction is downward and substantially horizontal at predetermined time intervals. Therefore, it is possible to improve the temperature uniformity in the horizontal plane by uniformly blowing the warm air to the living area by blowing out the warm air at a downward angle in four equal directions and three directions. Since the passage of the mouth can be formed in three equal directions and four directions, the circulation of the airflow in the room is improved, and the temperature uniformity is improved.

Further, since the interference between the blown airflows is reduced and the airflow propulsion is improved, it is possible to make the warm air reach near the feet and improve the vertical temperature difference. In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. it can.

Further, the invention according to claim 3 is provided with a suction port provided at a central portion of the decorative panel for sucking room air, and an outlet is provided in one area of the decorative panel divided into eight in the circumferential direction. 1 in the other 7 areas divided without
A louver is provided for each of the outlets, and a louver that is provided for each of the outlets and that can change the blowing angle of the blown air in a desired vertical direction and that can close the outlet is provided. A first wind direction variable means for controlling, a second wind direction variable means for controlling four of the louvers to substantially the same angle, and a third air outlet closed by controlling the first wind direction variable means; A louver controlled by the first wind direction variable means, and a louver controlled by the first wind direction variable means; The louvers controlled by the variable means are characterized by being alternately arranged in the circumferential direction around the suction port. By closing the three outlets, the passage of the suction air can be made and the short circuit is reduced. so In addition to the above, since the outlets to be closed and the outlets with the outlet direction facing downward are alternately arranged in the circumferential direction, by blowing warm air at a downward angle toward four equal directions, The uniformity of the warm air can be reached to improve the temperature uniformity in the horizontal plane, and the intake passage can be evenly distributed in three directions, so that the air circulation in the room is improved and the temperature uniformity is improved.

Further, by closing the three air outlets, the air volume at the other air outlets, that is, the wind speed increases, so that it is possible to improve the reach of the warm air downward and to improve the vertical temperature difference.

Further, the invention according to claim 4 is provided with a suction port provided at a central portion of the decorative panel for sucking room air, and a blow-out port is provided in one of the eight divided circumferential panels. A louver that arranges the outlets one by one in the other seven divided areas without being provided, can change the blowing angle of the blowing air provided in each of the outlets in a desired vertical direction, and can close the outlets; , 3 of the louvers
A first wind direction variable means for controlling four of the louvers at substantially the same angle, a second wind direction variable means for controlling four of the louvers to substantially the same angle, and three wind control means for controlling the first wind direction variable means. The air outlet is closed, and the second air direction changing means is controlled to lower the air blowing angle of the air blown out from the other four air outlets. Further, the first air direction changing means and the second air direction are changed every predetermined time. Reverse the outlet closed by the wind direction variable means of
A blowout control means for changing the other downward, wherein the first
The louvers controlled by the variable wind direction means and the louvers controlled by the second variable wind direction means are arranged alternately in the circumferential direction around the inlet, and the three outlets are closed. In addition to providing a path for intake air and reducing the short circuit, the outlets to be closed and the outlets with the outlet direction downward are alternately arranged in the circumferential direction, and further, the outlets to close and downward The outlets that blow in the direction are changed at predetermined time intervals, so that the warm air is blown downward at equal angles in four directions and three directions so that the warm air reaches the living area evenly, so that the temperature in the horizontal plane is uniform. Performance can be improved,
In addition, since the path of the suction port can be formed in three equal directions and four directions, the circulation of the airflow in the room is improved, and the temperature uniformity is improved.

Further, by closing three or four outlets, the amount of air at the other outlets, that is, the wind speed increases, so that it is possible to improve the reach of warm air downward and to improve the vertical temperature difference. . In addition, by blowing the air downward in each of the blowing directions at predetermined time intervals, the hot air is blown downward in the seven directions to reach the living area, so that the temperature uniformity can be further improved. it can.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of Embodiment 1 of an air conditioner according to the present invention.

FIG. 2 is a front view of a decorative panel of the air conditioner of the embodiment.

FIG. 3 is a front view of a decorative panel according to a second embodiment of the air conditioner according to the present invention.

FIG. 4 is a characteristic diagram showing a change in a state of an air outlet of the air conditioner of the embodiment.

FIG. 5 is a front view of a decorative panel according to a third embodiment of the air conditioner according to the present invention.

FIG. 6 is a front view of a decorative panel according to a fourth embodiment of the air conditioner according to the present invention.

FIG. 7 is a characteristic diagram showing a change in the state of the air outlet of the air conditioner of the embodiment.

FIG. 8 is a sectional view of a conventional air conditioner.

FIG. 9 is a front view of a decorative panel of a conventional air conditioner.

[Explanation of symbols]

Reference Signs List 1 indoor unit 2 heat exchanger 3 blower 4a, 4b, 4c, 4d decorative panel 5 suction port 6a, 6b, 6c, 6d, 6e, 6f, 6g, 12a,
12b, 12c, 12d, 12e, 12f, 12g, 1
4a, 14b, 14c, 14d, 14e, 14f, 14
g, 16a, 16b, 16c, 16d, 16e, 16
f, 16g outlets 7a, 7b, 7c, 7d, 7e, 7f, 7g, 13a,
13b, 13c, 13d, 13e, 13f, 13g, 1
5a, 15b, 15c, 15d, 15e, 15f, 15
g, 17a, 17b, 17c, 17d, 17e, 17
f, 17g Louver 9a, 9b, 9c, 7d First wind direction variable means 10a, 10b, 10c, 10d Second wind direction variable means 11a, 11b, 11c, 11d Blow-out control means

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masataka Oda 4-2-5 Takaidahondori, Higashiosaka-shi, Osaka Matsushita Refrigerator Co., Ltd. F-term (reference) 3L060 AA05 EE01

Claims (4)

[Claims] An indoor unit having a blower and a heat exchanger built therein, a decorative panel provided on a lower surface of the indoor unit, and a suction port provided at a central portion of the decorative panel and for sucking indoor air are provided. There is no air outlet in one of the eight divided circumferential panels of the decorative panel, and one air outlet is arranged in each of the other seven divided areas, and the air blowout is provided for each of the air outlets. A louver capable of changing the angle in a desired vertical direction, first wind direction variable means for controlling three of the louvers to substantially the same angle, and a second wind direction for controlling four of the louvers to substantially the same angle Variable means, the first
Of the three air outlets to make the blowing angle of the air blown out from the three outlets substantially horizontal, and to control the second airflow direction changing means to make the blowing angle of the air blown out of the other four air outlets downward. Air provided with blow-off control means, wherein the louvers controlled by the first wind direction variable means and the louvers controlled by the second wind direction variable means are circumferentially alternately arranged around the suction port. Harmony machine. 2. An indoor unit incorporating a blower and a heat exchanger, a decorative panel provided on a lower surface of the indoor unit, and a suction port provided at a central portion of the decorative panel for sucking indoor air. There is no air outlet in one of the eight divided circumferential panels of the decorative panel, and one air outlet is arranged in each of the other seven divided areas, and the air blowout is provided for each of the air outlets. A louver capable of changing the angle in a desired vertical direction, first wind direction variable means for controlling three of the louvers to substantially the same angle, and a second wind direction variable for controlling four of the louvers to substantially the same angle Means, the first
Controlling the wind direction varying means to make the air blowing angle from the three outlets substantially horizontal, and controlling the second air direction varying means to make the air blowing angle from the other four outlets downward, Further, a blow control means for reversing a blow angle controlled by the first blow direction variable means and a blow angle controlled by the second blow direction variable means at predetermined time intervals is provided, and controlled by the first blow direction variable means. An air conditioner wherein the louvers and the louvers controlled by the second wind direction variable means are alternately arranged in the circumferential direction around the suction port. 3. An indoor unit having a built-in blower and a heat exchanger, a decorative panel provided on a lower surface of the indoor unit, and a suction port provided at a central portion of the decorative panel for sucking indoor air. There is no air outlet in one of the eight divided circumferential panels of the decorative panel, and one air outlet is arranged in each of the other seven divided areas, and the air blowout is provided for each of the air outlets. A louver capable of changing the angle in a desired vertical direction and closing the air outlet, a first wind direction variable means for controlling three of the louvers to substantially the same angle, and four of the louvers being substantially the same. A second wind direction variable means for controlling the angle and the first wind direction variable means are controlled to close three air outlets, and the second wind direction variable means is controlled to blow air from the other four air outlets. Blow-out control with downward air blow-out angle Air conditioner, wherein the louvers controlled by the first wind direction variable means and the louvers controlled by the second wind direction variable means are arranged alternately in the circumferential direction around the suction port. . 4. An indoor unit incorporating a blower and a heat exchanger, a decorative panel provided on a lower surface of the indoor unit, and a suction port provided at a central portion of the decorative panel for sucking indoor air. There is no air outlet in one of the eight divided circumferential panels of the decorative panel, and one air outlet is arranged in each of the other seven divided areas, and the air blowout is provided for each of the air outlets. A louver capable of changing the angle in a desired vertical direction and closing the air outlet, a first wind direction variable means for controlling three of the louvers to substantially the same angle, and four of the louvers being substantially the same. A second wind direction variable means for controlling the angle, and three air outlets are closed by controlling the first air direction variable means, and the other four air outlets are controlled by controlling the second air direction variable means. Make the air blowing angle downward, and A blow-out control means for changing the other of the blow-off ports, which are closed by the first wind-direction changing means and the second wind-direction changing means, at predetermined time intervals, and changing the other downward.
An air conditioner wherein the louvers controlled by the first wind direction variable means and the louvers controlled by the second wind direction variable means are circumferentially alternately arranged around the suction port.