JPS61202022A - Air conditioner embedded into ceiling - Google Patents

Abstract

PURPOSE:To widen the range of suction and blow-off to improve the temperature distribution by providing a partition plate within the main body, and providing a first heat exchanger and a first blower on one side, providing a second blower and a second heat exchanger on another, and providing means capable of mounting and converting the second blower. CONSTITUTION:In a case where one suction direction and another blow-off direction are the same, a motor mounting plate 23 constituted integrally with a second blower 20 is fixed to a fixing member 24 secured to a side plate 25 by means of a screw 32, whereby since both a first blower 15 and a second blower 20 are directed toward the same direction, a suction part 14 and a blow- off port 16 are formed and used for the suction in one direction and blow-off in one direction. Then, the second blower 20 is inverted and is fixed to fixing members 26 and 27 by means of a screw 33. When by this mounting and conversion, the second blower 20 is driven, a second suction and exhaust port 21 becomes a suction side and air passes through a second heat exchanger 22 and communicates with a first suction and exhaust port 19 and is blown out into the room.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a ceiling-embedded air conditioner.

Conventional Art Conventionally, an air conditioner, for example, a fan coil unit, which is embedded in the ceiling for equipment such as a building, has a main body 1 and an under-ceiling unit, as shown in FIGS. A decorative panel 2 is provided to be exposed, and inside the main body 1, partitioned by a partition plate 3, there are a first blower 4, a first heat exchanger 5, and a second blower 6 on the other side. A second heat exchanger 7 is provided. On the decorative panel 2,
A suction port 8 communicating with the first blower 4 and the second blower 6, and an outlet 9 communicating with the blowing sides of the first heat exchanger 5 and the second heat exchanger 7 are provided.

In this way, conventionally, by operating the first blower 4 and the second blower 6, indoor air is sucked in through the one-way suction port 8, and the first heat exchanger 5 and the second heat exchanger 7 are Pass through,
Air is blown into the room from a one-way air outlet 9.

Problems to be Solved by the Invention As described above, conventionally, a fan coil unit provided with a longitudinally long one-directional suction port 8 and a longitudinally long one-directional outlet 9 has been used in large spaces such as buildings. Indoors, if installed in the corner of the room, it is effective against drafts near the window, but in the center, the air inlet 8 is in one direction and the outlet 9 is in the same direction, so the air outlet direction is There was a problem that the temperature distribution tended to be biased, resulting in poor temperature distribution.

The object of the present invention is to provide an air conditioner that is capable of suction and blow-off in one direction, as well as suction and blow-out in two directions, and can be selected arbitrarily at the installation site. shall be.

Means for Solving the Problems The present invention provides a first heat exchanger which is partitioned into the main body by a partition plate and which is connected to the suction port on one side, and a first heat exchanger which is opposite to the first blower and which is connected to the blowout port. a second blower communicating with the suction port on the other side of the compartment, and facing the second blower,
A second heat exchanger communicating with an air outlet, and one of the first blower and second air blower are connected to the main body so that the suction port communicates with the air outlet and the air outlet communicates with the suction port. An attachment converting means is provided between the side wall and the partition plate, so that the suction inlet and outlet on one side are oriented in opposite directions to the inlet and outlet on the other side.

Function: In this way, the first blower and the second blower can be installed in the same direction or in opposite directions depending on the indoor conditions in which they are installed, and at the same time,
The suction port and the blowout port are arranged in opposite directions to improve temperature distribution.

Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 4. Reference numeral 12 denotes a main body that is embedded in the attic, with a partition plate 13 provided in the center, a first blower 15 communicating with the suction port 14 on one side, and a first heat exchanger communicating with the air outlet 16. 17 are provided. Reference numeral 18 denotes a motor mounting plate of the first blower 15, and a second blower 20 provided on the other side of the partition plate 13 so as to communicate with the first intake/exhaust port 19 which is in the suction direction or the blowout direction; , a second air intake/exhaust port 21 provided in communication with the second intake/exhaust port 21 in the blowing direction.
A heat exchanger 22 is provided. Reference numeral 23 denotes a motor mounting plate, which, like the motor mounting plate 18, is formed in an L shape. However, one motor mounting plate 18 has bent piece 1.
8a is in the lower position, but the other motor mounting plate 23
If the bending plate 23a is in the upper position and this second bending plate 23a is
When the blower 20 is used in the opposite direction, the second heat exchanger 22
Make sure there are no gaps during this time. A fixed piece 24 of the motor mounting plate 23 is fixed to the side plate 26 and the partition plate 13 by welding. Then, when forming suction and blowing in the same direction as the first blower 16, the motor mounting plate 23 is fixed to this fixing piece 24 and a fixing plate (not shown) provided on the partition plate 13. Reference numeral 26 denotes a fixing piece that is welded and fixed to the side plate 25, and a fixing plate 27 is also provided symmetrically on the partition plate 13. 28 is a drain pan provided below each heat exchanger, 29- is a decorative panel provided exposed below the ceiling surface 30, and the suction port 14 and the first intake/exhaust port 19 are arranged in the longitudinal direction. Similarly, an air outlet 16 and a second intake/exhaust port 21 are provided in the longitudinal direction.

In the above configuration, if it is installed on the ceiling of a building, and the suction in one direction and the blowout in the other direction are the same, a second blower will be installed as shown in Figure 1. . That is, the motor mounting plate 23 , which is integrally formed with the second blower 20 , is fixed to the fixing piece 24 fixed to the side plate 25 with screws 32 .

By installing it in this way, the first
Since both the blower 15 and the second blower 20 are oriented in the same direction, the inlet 14 is formed to be long in the longitudinal direction and communicate with the first blower 16 and the second blower 2o. is formed, resulting in suction in one direction and blowout in one direction.

Next, when installing it in the center of the room, such as on the ceiling of a building, as shown in FIG. . That is, the first blower 16 is
o It is installed offset, and by this installation conversion, the second
When the blower 2o is operated, the second air intake/exhaust port 21 becomes the suction side, passes through the second heat exchanger 22, communicates with the second air blower 20, and the first air intake/exhaust port 19 to blow into the room. becomes.

Therefore, with the partition plate 13 as a boundary, the first blower 16
In this case, suction and blowout are formed in opposite directions to the second blower 20, and the range of suction and blowout is widened to improve the temperature distribution.

Note that in this embodiment, the first blower 15 and the second blower 2
o and were configured as separate blowers, but in this case, the motor coil is made into one, the blades and casing are configured on the same axis of both shafts, and only the casing is rotated around 900 degrees and converted to installation. It is also possible to do this.

Effects of the Invention As described above, the present invention provides a partition plate inside the main body, and on one side,
a first heat exchanger and a first blower; a second blower on the other side;
Since the second blower is provided with a second heat exchanger and a means for attaching and converting the second blower, when it is installed on the ceiling of a large room such as a building, it is possible to optionally
By changing the installation of the second blower according to the indoor conditions, the range of blowing directions in the room can be expanded and the temperature distribution can be improved, and it is possible to use either one-way blowing or two-way blowing. It is also effective in being able to respond to

[Brief explanation of the drawing]

Figure 1 is a schematic configuration diagram of a ceiling-embedded air conditioner according to an embodiment of the present invention with suction from one direction, Figure 2 is a diagram of a configuration of a two-way suction system, and Figure 3 is a diagram of the same direction of suction from the same direction. Cross-sectional view, Figure 4 is a cross-sectional view when the second blower side has been replaced,
FIG. 5 is a perspective view of a conventional ceiling-embedded air conditioner, and FIG. 6 is a schematic configuration diagram thereof. 12... Main body, 13... Partition plate, 14
...Suction port, 15...First blower, 1
6...Air outlet, 17...First heat exchanger, 19...First intake/exhaust port, 2゜...-Second blower, 22. ...Second heat exchanger. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 3
Figure 4

Claims (1)

[Claims] The main body is divided by a partition plate, and on one side of the partition plate, there is a first blower communicating with the suction port, a first heat exchanger facing the first blower and communicating with the blowout port, and the other side of the partition plate. On the side, a second air blower communicating with a first air intake/exhaust port configured in the same manner as the air inlet, and a second heat exchanger facing the second air blower and communicating with a second air intake/exhaust port configured in the same manner as the air outlet. A ceiling-embedded air conditioner is provided with an installation converting means for each of the above-mentioned blowers so that the suction port and the blowout port are reversed.