JPH0752032B2 - Air conditioner - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an air conditioner installed in a ceiling and provided with an air inlet and an air outlet separated from each other.

[Conventional technology]

FIG. 6 is a sectional view showing a conventional air conditioner disclosed in, for example, JP-A-60-78242.

In the figure, (1) is a box-shaped cabinet with a ceiling (2)
It is embedded in the ceiling hole (3) provided in the. Reference numeral (4) is a heat exchanger, which is attached to the inner ceiling portion with a space provided between the heat exchanger and the inner portion of the cabinet (1). (5) is a blower, which is provided at the bottom of the heat exchanger (4).
Reference numeral (6) is a partition plate, which forms an outlet duct (8a) by partitioning the inlet (7) and the outlet (8). (9) is a blow-out louver.

Next, the operation will be described. By the blower (5), the indoor air is sucked from the central part of the suction makeup grill (10a) to the suction port (7).
Is sucked in via the blower (5) and then sent to the heat exchanger (4). Then, after the heat is exchanged by the heat exchanger (4), the air is guided to the blowout duct (8a) and blown out to the inside of the room through the air outlet (8) and the peripheral portion of the louver (9).

[Problems to be Solved by the Invention]

In the conventional ceiling-embedded air conditioner, the intake port and the outlet port are provided next to each other. Therefore, the air blown out from the outlet port is immediately sucked from the adjacent inlet port, and a short cycle is likely to occur. Or heating is not performed efficiently. In addition, in the main air-conditioned space below the air conditioner, there is a problem that the suction noise from the blower is uncomfortable, and the air passage from the suction to the blow-out is composed of the blower (5) and the heat exchanger (4). Since it is formed inside the box, the size of the box is so large that it cannot fit in the ceiling and creates restrictions such as restrictions on use in the market.

In addition, there was a problem that air conditioning could not be performed uniformly throughout the room due to the suction capacity of the air conditioner and the installation location.

The present invention has been made to solve the above problems, and an object thereof is to obtain an air conditioner in which a short cycle is prevented and cooling and heating efficiency is improved. It also aims to reduce noise in the main air-conditioned space below the air conditioner and to zone-air-condition the air-conditioned space.

Another objective is to obtain an air conditioner that relaxes the installation restriction range in the market.

[Means for Solving the Problems]

An air conditioner according to the first aspect of the present invention comprises a suction port blower for sucking indoor air, a suction unit provided with a plurality of suction ports in the blower, and dampers for adjusting the air flow rate at each blow port, and a heat exchanger. The provided blow-out unit is separately arranged, and one suction unit and a plurality of blow-out units are duct-connected to the blow-out portion of the suction unit and the heat exchanger primary side of the plurality of blow-out units.

An air conditioner according to the second aspect of the present invention includes an intake unit for sucking indoor air, a plurality of blowers having different blower capacities, and a suction unit having a plurality of outlets in a portion corresponding to the plurality of blowers. A blowout unit provided with an exchanger is separately arranged, and one suction unit and a plurality of blowout units having different heat exchanger capacities are duct-connected to the heat exchanger primary side of the blowout unit.

The air conditioner according to the third aspect of the invention includes a plurality of suction units each having a suction port for sucking indoor air and a blower, a heat exchanger for exchanging heat with the suction air, and a heat-exchanged air. And a plurality of duct connection openings are provided on the primary side of the heat exchanger of the blowout unit.
A plurality of the suction units are connected in a duct.

[Action]

The suction unit according to the present invention is arranged on a ceiling surface such as a corner of a room, and the air blown out from the blow-out unit is duct-connected to a plurality of blow-out units for each air-conditioning zone, and then cooled or heated again for each air-conditioning zone, and then again. The air is sucked in through the suction port of the suction unit and is arranged in a corner of the ceiling or the like that is separated from the blow unit to reduce noise in the main air-conditioned space below the blow unit. Furthermore, since the air passing through the connection duct is the suction side air, there is no concern about dew condensation on the duct, and there is no need to insulate the duct.

In addition, individual air conditioning with a large capacity for air conditioning zones with different air conditioning loads will be implemented.

In addition, the entire air-conditioned room can be air-conditioned with multiple suctions to achieve a uniform temperature distribution, and the unit's compact size can be measured to ease installation restrictions.

〔Example〕

Embodiment 1 Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings. First,
In Fig. 2, (1a) is the ceiling hole (3) provided in the ceiling (2)
The suction unit of the box scale embedded in the box is in a state in which the surface abutting the ceiling (2) and part of the peripheral side are open (10a) is the makeup grill for suction (10) is a filter and the suction unit is It is attached to the open surface that abuts the ceiling (2) of (1a). (5) is a multi-blade blower,
The air inlet (5a) that pushes out the wind is the suction unit (1a)
It is located on the open side of the peripheral side and is attached to the center of the suction unit (1a). A plurality (for example, two) (5a ₁ ) (5a ₂ ) of the blower openings (5a) are arranged, and the blowout openings (5a ₁ ) (5
A damper (11) is attached to each a ₂ ).
(9a) is a blowout makeup grill, (9) is a louver attached to the blowout makeup grill (9a), and the blowout makeup grill (9a) contacts the ceiling (2) of the box body (1b). It is attached to the open surface. (4) is a heat exchanger that is arranged parallel to the open surface provided on the peripheral side of the box-shaped blow-out unit (1b), and has a drain pan (12) for receiving dew on the bottom thereof. Has been done. (13) is the blower unit (5a) of the suction unit (1a) and the box-shaped blowout unit (1)
It is a hollow duct that connects the open surfaces provided on the peripheral side of b).

Next, the operation of the air conditioner of the first embodiment will be described. Indoor air is taken in from the decorative grill for suction (10a) by the multi-blade blower (5) in the suction unit (1a), and the air outlet (5a ₁ )
It passes through (5a ₂ ) and is sent to the blowout units (1b) (1c) via ducts (13a) (13b). Blowing unit (1
b) The air sent into (1c) is heat-exchanged by the heat exchanger (4) and is blown out to the inside of the room along the direction of inclination of the louver (9) of the blowout makeup grill (9a). The air blown to the indoor side cools or heats the room, and is again sucked from the suction makeup grill (10a) into the suction unit (1a).

The duct (13) connected to the blowout unit (1b) (1c)
Since the duct resistances of a) and (13b) differ depending on the duct length, the air volume adjustment dampers (11) are provided so that the air volume can be uniformly supplied to the blowout units (1b) and (1c). . Further, since the air passing through the ducts (13a) and (13b) is the intake air in the room, there is no concern about dew condensation on the duct (13), so that the duct (13) need not be insulated.

Second Embodiment A second embodiment of the present invention will be described below with reference to the drawings. Third
In the figure, (5A) and (5B) are multi-blade blowers with different blowing capacities, and the blower vents (15a) and (15b) for pushing the wind are located on the open side of the peripheral side of the cabinet (1a). .

(1b) is a blowout unit (A), and (1c) is a blowout unit (B). Explaining the blow-out unit (A) (1b), (1b) is a box body embedded in the ceiling hole (3) provided in the ceiling (2) like the suction unit (1b),
The surface abutting the ceiling (2) and a part of the peripheral side portion are open. (9a) is a makeup grill for blowing out,
(9) is a louver attached to the blowout makeup grill (9a), and the blowout makeup grill (9a) is attached to the open surface of the box body (1b) that abuts the ceiling (2). (4a) is a heat exchanger (A) arranged in parallel with the open surface provided on the peripheral side of the box body (1b), and a drain pan (12) for receiving dew is arranged at the bottom thereof. Has been done. (13
Reference numeral a) denotes a duct (A) connecting the blower port A (5a) of the suction unit (10) and the blowout unit A (1b). The blowout unit (B) (1c) has the same configuration as the blowout unit (A) (1b), and the heat exchanger (B) having a different capacity from the heat exchanger (A) of the blowout unit (A) (1b). ) (4b) is provided. (13b) is a duct B that connects the blower unit B (5b) of the suction unit (1a) 1 and the blowout unit B (1c)
Is.

Next, the operation of the air conditioner of the second embodiment will be described. The indoor air is sucked into the suction unit (1a) from the decorative grill for suction (10a) by the multi-blade blowers (5A) and (5B) having different blowing capacities in the suction unit (1a), and the blower port (5a) and After passing through (5b), it is sent through ducts (13a) and (13b) to blowout units (1b) and (1c) with different heat exchanger capacities. The air sent into the blowout units (1b) and (1c) exchanges heat with the heat exchangers (4a) and (4b), respectively, and each has different air conditioning capacity, and the blowout makeup grill (9a).
Along the inclination direction of the louver (9) is blown out to the air conditioning zones of different air conditioning loads. The air blown to the indoor side cools or heats each air conditioning zone and is again sucked into the cabinet (1a) from the suction makeup grill (10a).

Further, since the air passing through the ducts (13a) and (13b) is the intake air in the room, there is no concern about dew condensation on the ducts, and the duct thermal insulation work is unnecessary.

Embodiment 3 Hereinafter, Embodiment 3 of the present invention will be described with reference to the drawings. In FIGS. 4 and 5, (1b) is a suction unit (1a).
Similarly to the above, the box-shaped blowout unit is embedded in the ceiling hole (3) provided in the ceiling (2), and has a shape in which the surface abutting the ceiling (2) and a part of the peripheral side portion are opened. is doing. (9
a) is a makeup grill for blowout, (19) is a louver attached to the makeup grill for blowout (9a), and the makeup grill for blowout (9a) is the ceiling (2) of the box-like blowout unit (1b).
Is attached to the open surface that abuts against. The heat exchangers (4a) and (4c) are arranged in parallel with the open surface provided on the peripheral side of the box-shaped blowout unit (1b), and the drain pan (12) for receiving dew is provided at the bottom thereof. ) Is provided. (13
a) (13c) is the air vent (5a) of the above cabinet (1)
(5c) is a hollow duct that connects the duct connection ports (14a) (14c) provided on the peripheral side of the box-shaped blowout unit (1b).

The operation of the air conditioner of the third embodiment will be described. Interior air is drawn in by a multi-blade blower (6) for makeup grill (10a)
From the suction unit (1a), and then from the blower openings (5a) and (5c) through the hollow ducts (13a) and (13c) to the box-shaped unit (1b) internal heat exchanger (4a), (Four
sent to c). After heat exchange by the heat exchangers (4a) and (4c), it is blown downward and blown to the makeup grill (9
It is blown out toward the inside of the room along the direction of inclination of the louver (9) in a).

The air blown to the indoor side heats or cools the room, and then sucks it again from the suction makeup grill (10a) to the unit (1
a) is sucked into. Since multiple suction units are used, the performance can be improved and air can be more evenly conditioned in the room.

〔The invention's effect〕

Since the present invention is configured as described above, it has the following effects. According to claim 1, heat for exchanging heat with a suction unit provided with a multi-blade blower for circulating indoor air. Since the blow-out unit provided with the exchanger is separated and connected in a duct to be separated from each other, the short cycle can be prevented and the cooling and heating efficiency can be improved. Further, since the intake unit is provided with a plurality of air outlets provided with dampers for adjusting the air flow, it can be connected to a plurality of air outlet units, and individual air conditioning for each air conditioning zone can be obtained to improve comfort.
Further, since the air passing through the duct connecting the blowout unit and the suction unit is the same as the room temperature, there is an effect that the duct need not be insulated.

Further, according to the second aspect, the suction unit is provided with a plurality of blowers having different capacities, and a plurality of blowing units having different capacities can be connected, so that the air conditioning zones of different air conditioning loads can be connected. Individual air conditioning can be obtained and comfort can be improved. Further, since the air passing through the duct connecting the blowout unit and the suction unit is the same as the room temperature, there is an effect that the heat insulation construction of the duct is unnecessary.

Further, according to claim 3, since the multi-suction system is adopted, there is an effect that a uniform temperature distribution can be obtained. In addition, the separate configuration allows the unit to be made compact, and has the effect of relaxing the range of installation restrictions in the market.

[Brief description of drawings]

FIG. 1 is an installation sectional view showing Embodiment 1 of the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is Embodiment 2 corresponding to FIG.
FIG. 4 is a plan view showing Embodiment 3 corresponding to FIG. 2, FIG. 5 is a sectional view taken along line VV of FIG. 4, and FIG. 6 is a sectional view showing a conventional air conditioner. Is. In the figure, (1a) is a suction unit, (1b) is a blowout unit, (4) is a heat exchanger, (5A), (5B), (5C),
(5D) is a blower, (5a), (5b), (5c), (5d) is a blower opening, (11) is a damper, (13a), (13b), (13c),
(13d) is a connecting duct, (14a), (14b), (14c),
(14d) is a duct connection port.

Claims (3)

[Claims] 1. An air conditioner suspended in a space in a ceiling, wherein a suction unit for sucking indoor air and a blower, and a heat exchanger for exchanging heat with the air are blown to the indoor side. The blowout unit is separately arranged, and a plurality of blower outlets of the suction unit are provided.
An air conditioner characterized in that it is duct-connected to the primary side of a heat exchanger of a blow-out unit, and has air-flow-adjustment dampers at its outlets. 2. An air conditioner suspended in a space in a ceiling, comprising a suction unit having a suction port for sucking indoor air and a blower, and a heat exchanger for exchanging heat to the indoor side. The blow-out blow-out unit is separately arranged, and the blow-out blower unit of the suction unit and the heat exchanger primary side of the blow-out unit are duct-connected, and a plurality of blowers having different blower capacities to the suction unit, An air conditioner comprising a plurality of outlets corresponding to the plurality of blowers, and a plurality of outlet units having different heat exchanger capacities connected by a duct. 3. An air conditioner suspended in a space in a ceiling, comprising a plurality of suction units each having a suction port for sucking indoor air and a blower, and heat exchanged air having a heat exchanger. The blowout unit blown out into the room is separately arranged, and a plurality of duct connection ports are provided on the primary side of the heat exchanger of the blowout unit, and a plurality of the suction units are connected by ducts to the connection ports. And an air conditioner.