JPH04254122A - Ceiling buried type air conditioner - Google Patents

Abstract

PURPOSE:To prevent part of the conditioned air from being entangled with the air in a room to be sucked to a suction port and to alter a position of an air outlet as required even if the conditioned air is blown off downward from the outlet. CONSTITUTION:A suction duct 14 of a shape including center parts of both long sides, and a blow-off duct 15 of a shape including both ends of both the long sides and both short sides, are formed in a lower part in a rectangular unit body 2. Any of a first rectangular ceiling panel 8 having a pair of suction ports 3 formed at both long sides and air outlets 4 formed at both sides of the ports 3 or a second rectangular ceiling panel 8 having a pair of suction ports 3 formed at both long sides and a pair of air outlets 4 formed at both short sides is selected, and so mounted as to cover the lower opening of the body 2.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-embedded air conditioner that is embedded in a ceiling.

0002

2. Description of the Related Art An example of a conventional air conditioner of this type is shown in FIGS. 5 to 7. A heat exchanger 7 and a blower 6 are disposed inside a unit body 2 buried in a ceiling 1, and a lower opening of this unit body 2 is covered by a substantially rectangular ceiling panel 8. A rectangular suction port 3 is formed in the center of the rectangular ceiling panel 8, and an elongated air outlet 4 extending along both short sides of the rectangular ceiling panel 8 is formed adjacent to this suction port 3.

When the blower 6 is driven by the motor 5,
Indoor air is drawn from the suction port 3 through the suction grille 11 into the suction air passage 14 formed in the unit body 2, passes through the filter 9, is guided by the baffle plate 17, and is sucked into the blower 6. Forced. In the process of flowing through the heat exchanger 7, the air is cooled or heated to become conditioned air, and is blown into the room from the air outlet 4 through the air outlet 4 through the air outlet 15. In addition, in FIG. 5, 10 is a drain pan, and in FIG.
16 is a support frame for the heat exchanger 7.

0004

[Problems to be Solved by the Invention] In the above-mentioned conventional air conditioner, room air is taken in through the suction port 3 formed in the center of the rectangular ceiling panel 8, and the conditioned air is sucked in from both short sides of the rectangular ceiling panel 8. Since the air is blown out from the air outlet 4 formed along the side, a part of the conditioned air blown out from the air outlet 4 is caught up in the flow of indoor air sucked into the air inlet 3 and sucked into the air inlet 3. There is a problem in that a so-called shortcut phenomenon tends to occur. Furthermore, since the position of the air outlet 4 cannot be changed, it may not be possible to evenly distribute conditioned air throughout the room.

[0005]

[Means for Solving the Problems] The present invention was invented to solve the above problems, and the gist of the first invention is to embed a rectangular unit body in the ceiling, In a ceiling-embedded air conditioner in which an indoor air inlet and a conditioned air outlet are formed in a rectangular ceiling panel that covers a lower opening, a central part of both long sides of the unit body is provided at least in the lower part of the unit body. A ceiling-embedded air conditioner is characterized in that a suction air passage is formed in a shape that includes the above, and an outlet air passage is formed in a shape that includes both ends of both long sides and both short sides of the suction air passage.

The gist of the second invention is that a pair of inlets are provided along both long sides of the rectangular ceiling panel, and air outlets are provided adjacent to both sides of the inlets, so that the rectangular ceiling The ceiling-embedded air conditioner according to claim 1, characterized in that a panel is attached to the unit main body.

The gist of the third invention is that a pair of inlets are provided along both long sides of the rectangular ceiling panel, and a pair of air outlets are provided along both short sides of the rectangular ceiling panel. The ceiling-embedded air conditioner according to claim (1), characterized in that the air conditioner is attached to the unit main body.

[0008] The gist of the fourth invention is that a rectangular ceiling panel is provided with a pair of inlets along both long sides, and air outlets are provided adjacent to both sides of the inlets, or on both long sides. The recessed ceiling air conditioner according to claim (1), wherein a rectangular ceiling panel having a pair of inlets along the length and a pair of air outlets along both short sides can be selectively installed. It's in the harmonizer.

[0009]

[Operation] Since the present invention has the above-mentioned configuration, indoor air can be taken in through a pair of suction ports formed at the center along both long sides of the rectangular ceiling panel, and conditioned air can be drawn into the rectangular ceiling panel. Air can be emitted from a pair of air outlets formed along both short sides or from four air outlets formed at both ends of the rectangular ceiling panel along both long sides.

0010

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the invention is shown in FIGS. 1-3. As shown in FIG. 1, inside the rectangular unit main body 2 there is a suction air passage 14 having a shape that includes the center of both long sides.
is formed, and a blowout air passage 15 is formed in a shape including both ends of both long sides thereof and both short sides thereof.

FIG. 2 shows a first rectangular ceiling panel 8, which has a pair of elongated inlets 3 formed along both long sides thereof and at its center. On both sides of these suction ports 3, four elongated air outlets 4 are formed adjacent to and along the long sides. This first
If the rectangular ceiling panel 8 is attached to the rectangular unit main body 2 so as to cover its lower opening, a pair of suction ports 3
are in communication with the suction air passage 14, respectively, and the four air outlets 4 are each communicated with the air outlet passage 15, as shown by broken lines in FIG.

FIG. 3 shows a second rectangular ceiling panel 8, which has a pair of elongated air inlets 3 formed along its long sides and at its center;
A pair of elongated air outlets 4 are formed along both short sides. If this second rectangular ceiling panel 8 is attached to the rectangular unit main body 2 so as to cover its lower opening, the pair of suction ports 3 will each communicate with the suction air passage 14, and the pair of air outlets 4 will As shown by the dashed line in FIG. The rest of the structure is similar to the conventional one shown in FIGS. 5 to 7, and corresponding members are given the same reference numerals.

[0013] When a plurality of air conditioners are arranged in a row at intervals so that the longitudinal directions of the air conditioners coincide with each other on the center line along the longitudinal direction of a large and narrow room, the first air conditioner shown in FIG. By attaching the rectangular ceiling panel 8 to the unit main body 2, it is possible to evenly inhale indoor air from the long and narrow room and evenly distribute conditioned air to the long and narrow room. Since the suction port 3 and the blowout port 4 are aligned in a straight line, the aesthetic appearance of the room can be improved, and even if hot air is blown downward from the blowout port 4, a portion of the indoor air is sucked into the suction port 3. It is possible to prevent the occurrence of the so-called shortcut phenomenon where the user gets caught up in the flow.

Further, when this air conditioner is installed in the center of a substantially square room, a second rectangular ceiling panel 8 shown in FIG. 3 may be attached to the unit body 2. In this case as well, since the suction port 3 and the blowout port 4 are spaced apart from each other and form a right angle, it is possible to prevent the so-called shortcut phenomenon from occurring.

In the above embodiment, the flat heat exchanger 7 is installed, but as shown in FIG. 4, the heat exchanger 7 can be arcuate. The heat exchange area of 7 and the air circulation area can be increased, and the length of the outlet 4 can be increased. Further, it is sufficient that the suction air passage 14 has a shape that includes the center portions of both long sides at least in the lower part of the unit main body 2, and the blowing air passage 15 has a shape that includes the center portions of both long sides of the unit main body 2 at least in the lower part thereof. A shape including both short sides is sufficient.

[0016]

[Effect of the invention] In the present invention, a suction air path is formed in the unit main body at least at its lower part in a shape that includes the center of both long sides thereof, and also includes both ends of both long sides and both short sides. A rectangular ceiling panel with a pair of inlets along both long sides and air outlets adjacent to both sides of the inlet, or a pair of inlets along both long sides. A rectangular ceiling panel provided with a pair of air outlets along both short sides can be selected as needed and attached to the unit body. In this way, indoor air can be taken in through a pair of inlets formed in the center along both long sides of the rectangular ceiling panel, and conditioned air can be drawn in through a pair of outlets formed along both short sides of the rectangular ceiling panel. Alternatively, the air can be blown out from four air outlets formed at both ends of the rectangular ceiling panel along both long sides. As a result, indoor air can be evenly inhaled from the room, and conditioned air can be evenly distributed throughout the room.Also, even if the conditioned air is blown downward from the outlet, a portion of it will reach the inlet. It is possible to prevent the occurrence of so-called shortcuts caused by being caught in the flow of indoor air being sucked in.

[Brief explanation of the drawing]

FIG. 1 is a sectional view corresponding to FIG. 6 of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a bottom view of a first rectangular ceiling panel attached to the air conditioner.

FIG. 3 is a bottom view of a second rectangular ceiling panel attached to the air conditioner.

FIG. 4 FIG. 1 of an air conditioner according to another embodiment of the present invention.
FIG.

FIG. 5 is a longitudinal cross-sectional view of a conventional air conditioner.

6 is a sectional view taken along line AA in FIG. 5. FIG.

FIG. 7 is a view taken along arrow B in FIG. 5;

[Explanation of symbols]

2 Unit body 8 Ceiling panel 3 Suction port 4 Air outlet 14 Suction air path 15　Blowout air duct

Claims (4)

[Claims] [Claim 1] In a ceiling-embedded air conditioner in which a rectangular unit body is buried in the ceiling, and an indoor air intake port and a conditioned air outlet are formed in a rectangular ceiling panel that covers the lower opening of the unit body. , a suction air passage having a shape that includes the center portions of both long sides is formed in at least the lower part of the unit body, and an outlet air passage having a shape that includes both ends of both long sides and both short sides thereof. A ceiling-mounted air conditioner featuring: 2. A pair of inlets are provided along both long sides of the rectangular ceiling panel, and air outlets are provided adjacent to both sides of these inlets, and the rectangular ceiling panel is attached to the unit main body. The ceiling-embedded air conditioner according to claim (1). 3. A pair of inlets are provided along both long sides of the rectangular ceiling panel, and a pair of air outlets are provided along both short sides, and the rectangular ceiling panel is attached to the unit main body. The ceiling-embedded air conditioner according to claim (1). Claim 4: A rectangular ceiling panel having a pair of inlets along both long sides and air outlets adjacent to both sides of the inlet, or a rectangular ceiling panel having a pair of inlets along both long sides, and 2. The ceiling-embedded air conditioner according to claim 1, wherein a rectangular ceiling panel having a pair of air outlets along both short sides can be selectively attached.