JP2001248856A - Ceiling burial type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling burial type air conditioner for preventing dew condensation water adhering onto the surface of a panel frame body near a supply opening from dripping into a room to be air-conditioned. SOLUTION: A dew reception part 17 where a water absorption sheet 19 is applied to receive dew condensation water adhering to the outer surface of a panel frame body 1a is applied is provided at the lower portion of the outer surface of a panel frame body 1a, and a plurality of cracks 18 are formed at a bottom wall (a) of the dew reception part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-ceiling type air conditioner, and more specifically, to prevent dew water adhering to the surface of a panel frame near an air outlet from dripping into a room to be air-conditioned. Regarding the structure.

[0002]

2. Description of the Related Art A conventional ceiling-embedded air conditioner A includes, as shown in FIGS. 1 and 5, for example, a case body 1 having an opening on the bottom side and being suspended and fixed in a ceiling 2 by a suspension bolt 3. A blower including a blower fan 7 and a fan motor 8 provided at the center of the inside of the case body 1, a bell mouth 11 provided on a lower suction side of the blower, and a heat exchanger 9 provided around the blower; A drain pan 10 provided at a lower portion of the heat exchanger 9, and an outlet 15 formed between the drain pan 10 and a lower end of the case main body 1 to send out the air exchanged by the heat exchanger 9. A panel frame 1a attached to an opening on the bottom surface side of the case body 1 and continuously forming a blowout portion 1b communicating with the outlet 15; and a plurality of wind directions rotatably supported by the blowout portion 1b. The change plate 16 and the inside of the outlet 1b A suction grille 13 having a suction port provided with a filter 12 communicating with the bell mouth 11, and having a plurality of outlets 6 communicating with the blowout portion 1b around the suction port; A decorative frame 4 attached to the ceiling surface 14 so as to be movable up and down outside the panel frame 1a.
And consisted of

However, for example, during the cooling operation, when the cool air generated by the heat exchanger 9 is sent from the outlet 6 to the room to be air-conditioned via the outlet 15, the outlet 1 b and / or There was a problem that the dew water adhering to the surface of the panel frame 1a dropped into the room to be air-conditioned.

For this reason, measures have been taken to prevent dew condensation from occurring at the location by filling the interior b of the blow-out portion 1b with a heat insulating material. However, the volume of the interior b is small. Therefore, the workability for filling the heat insulating material is poor, and the heat insulating performance is insufficient, so that the occurrence of dew condensation cannot be sufficiently prevented.

[0005]

SUMMARY OF THE INVENTION In view of the above problems, in the present invention, a ceiling-embedded air for preventing dew water adhering to the surface of the panel frame near the air outlet from dropping into the room to be air-conditioned. It aims at providing a harmony machine.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a case body having an open bottom surface and suspended and fixed in a ceiling, a blower provided in the center of the inside of the case body, A bell mouth provided on the lower suction side of the blower and a heat exchanger disposed therearound; a drain pan provided below the heat exchanger; and a drain pan formed between the drain pan and a lower end of the case body. A panel frame body, which is provided at an opening on the bottom side of the case body and continuously forms a blow-out portion communicating with the blow-out port; A plurality of wind direction change plates rotatably supported by the portion, and a suction port attached to the inside of the blowout portion and communicating with the bell mouth, the peripheral portion of the suction port to the blowout portion It has multiple outlets that communicate It comprises a suction grille, a decorative frame attached to the outside of the panel frame so as to be movable up and down and attached to the ceiling surface, and a lower portion of the outer surface of the panel frame, on the outer surface of the panel frame. It has a configuration in which a dew receiving portion for receiving the condensed water is provided.

[0007] Further, the dew receiving portion is formed in an annular shape along a lower portion of the outer surface of the panel frame.

[0008] Further, the exposure portion is formed integrally with the panel frame.

Further, a water absorbing sheet is attached to an outer wall surface of the dew receiving portion and the blowing portion connected to the outer wall surface.

Further, one end of the water-absorbing sheet attached to the outer wall surface of the dew receiving portion is extended, and the extended portion is attached along the inner wall surface of the dew receiving portion. .

[0011] Further, the distal end of the extension portion is configured to approach or contact the bottom wall of the dew receiving portion.

[0012] Further, the inner wall surface of the decorative frame facing the dew receiving portion is attached to the dew receiving portion through the water absorbing sheet with almost no gap.

[0013] Further, a crack is formed on the bottom wall of the dew receiving portion so that the condensed water oozes out.

Further, the cracks are formed at a plurality of locations on the dew receiving portion.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below as examples based on the attached drawings. FIG. 1 is a cross-sectional view showing a basic configuration of a conventional ceiling-mounted air conditioner according to the present invention and the present invention, FIG. 2 is a perspective view of the ceiling-mounted air conditioner according to the present invention, and FIG. FIG. 4 is a sectional view of a main part of the ceiling-mounted air conditioner according to the present invention, FIG. 4 is an explanatory view of the ceiling-mounted air conditioner according to the present invention, and FIG. (B) is a sectional view of a main part showing a second example, and (C) is an enlarged view of a part B shown in FIG. 2.

In the figure, A is a ceiling embedded type air conditioner main body, 1 is a case main body constituting the main body A, 1a is attached to an opening on the bottom side of the case main body 1, and is connected to an outlet 15 described later. A panel frame having a continuous blow-out portion 1b, 2
Is a decorative frame attached to the ceiling surface 14 and attached to the ceiling surface 14 of the air-conditioned room in which the main body A is suspended and fixed by the hanging bolts 3, which is attached to the outside of the panel frame 1 a so as to be vertically movable. 7 and 8 are a blower fan and a fan motor constituting a blower provided in the center of the inside of the case body, 9 is a heat exchanger disposed around the blower fan 7, and 10 is a lower part of the heat exchanger 9. The provided drain pan, 11 is a bell mouth provided on the lower suction side of the blower fan 7, and 13 is a plurality of wind direction change plates 16 rotatably supported by the blowout portion 1b.
And a suction port attached to the inside of the outlet 1b and communicating with the bell mouth 11 and having a filter 12. A plurality of outlets 6 communicating with the outlet 1b around the inlet.
A suction grille 15 is formed between the drain pan 10 and the lower end of the case main body 1 and is an outlet for sending out the air heat exchanged by the heat exchanger 9, and the outlet 15 is the outlet It communicates with the outlet 6 comprising the portion 1b.

In the above configuration, the ceiling-embedded air conditioner main body A according to the present invention has a dew receiving portion 17 for receiving dew water adhering to the outer surface of the panel frame 1a at a lower portion of the outer surface of the panel frame 1a. Is provided, the dew-condensed water attached to the outer surface of the panel frame 1a can be received by the dew receiving portion 17, and can be evaporated into the ceiling without dripping into the room to be air-conditioned. become.

The dew receiving portion 17 is provided with the panel frame 1a.
By being integrally formed in an annular shape along the lower surface of the outer surface, it is possible to accurately finish the size and shape with a cost-effective structure, and to leave dew water adhering to the outer surface of the panel frame 1a. It can be received accurately without.

Further, as shown in FIG. 4A, as a first example, a water absorbing sheet 19 is attached to the outer wall surface of the dew receiving portion 17 and the blowing portion 1b connected thereto. In order to prevent the dew water in the section 17 from overflowing and dropping into the room to be conditioned, the water can be absorbed and evaporated by the water absorbing sheet 19, and as a second example, FIG.
As shown in (B), one end of the water absorbing sheet 19 attached to the outer wall surface of the dew receiving portion 17 is extended, and the extended portion 19a is adhered along the inner wall surface of the dew receiving portion 17. By being attached, the dew condensation water in the dew receiving part 17 is effectively absorbed by the extension part 19a which is close to or in contact with the bottom wall a of the dew receiving part,
It is possible to efficiently evaporate using the blown air flow passing through the blowout section 1b.

In addition, the inner wall surface 4a of the decorative frame 4 opposed thereto is attached to the dew receiving portion 17 through the water absorbing sheet 19 with almost no gap, and the bottom wall a of the dew receiving portion 17 is The water absorbing sheet adhered to the dew receiving portion 17 by forming cracks 18 at which dew condensation water oozes at a plurality of locations.
19 is prevented from peeling off, and the dew water in the dew receiving portion 17 oozes out of the crack 18 so that the water absorbing sheet 19 can effectively absorb water, and the blowout passing through the blowout portion 1b It is possible to more efficiently evaporate using the air flow.

With the above configuration, the inner wall surface of the decorative frame 4
4a, while increasing the diameter so as to be slightly separated from the panel frame 1a, a dew receiving portion 17 is attached to the lower portion of the outer surface of the panel frame 1a corresponding to the separated portion, and the dew receiving portion 17 is provided. To the water absorbing sheet
By adhering 19, the dew-condensed water adhered to the outer surface of the panel frame 1a can be received by the dew receiving portion 17, and can be further absorbed and evaporated by the water-absorbing sheet 19, so that the air-conditioned room A ceiling-embedded air conditioner that can evaporate into the ceiling without dripping into the ceiling.

[0022]

As described above, according to the present invention, an embedded ceiling type air conditioner is provided in which dew condensation water adhering to the surface of the panel frame near the outlet is prevented from dripping into the room to be air-conditioned.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a basic configuration of a conventional example and an embedded ceiling air conditioner according to the present invention.

FIG. 2 is a perspective view of a ceiling-mounted air conditioner according to the present invention.

FIG. 3 is a cross-sectional view of a main part of the ceiling-mounted air conditioner according to the present invention.

4A and 4B are explanatory views of a ceiling-embedded air conditioner according to the present invention, wherein FIG. 4A is a sectional view of a main part showing a first example, and FIG.
FIG. 4 is a sectional view of a main part showing a second example, and FIG. 4 (C) is an enlarged view of a part B shown in FIG. 2.

FIG. 5 is a sectional view of a main part of a ceiling-mounted air conditioner according to a conventional example.

[Explanation of symbols]

 A Ceiling-mounted air conditioner body 1 Case body 1a Panel frame 1b Blow-out part 2 Inside ceiling 3 Hanging bolt 4 Decorative frame 4a Inner wall surface of decorative frame 6 Blow-out port 7 Ventilation fan 8 Fan motor 9 Heat exchanger 10 Drain pan 11 Bell mouth 12 Filter 13 Suction grill 14 Ceiling surface 15 Air outlet 16 Wind direction change plate 17 Exposure section 18 Crack 19 Water absorption sheet 19a Extension section a Bottom wall of exposure section

Claims (9)

[Claims] 1. A case body having an open bottom surface side and suspended and fixed in a ceiling, a blower provided in the center of the inside of the case body, a bell mouth provided on a lower suction side of the blower, and a periphery thereof. A heat exchanger disposed therein, a drain pan provided at a lower portion of the heat exchanger, and formed between the drain pan and a lower end of the case main body, and sends out air exchanged by the heat exchanger. An outlet, a panel frame body attached to the opening on the bottom side of the case main body and continuously forming a blowout portion communicating with the outlet, and a plurality of wind direction change plates rotatably supported by the blowout portion A suction grill attached to the inside of the blow-out portion, the suction grille having a suction opening communicating with the bell mouth, and a plurality of blow-off openings communicating with the blow-out portion around the suction opening; and the panel Can be moved up and down outside the frame And a decorative frame attached to the ceiling surface and attached to the ceiling, and a lower portion of the outer surface of the panel frame is provided with a dew receiving portion for receiving dew water attached to the outer surface of the panel frame. A ceiling-mounted air conditioner characterized by the following. 2. The panel according to claim 1, wherein the dew receiving portion is formed annularly along a lower portion of an outer surface of the panel frame.
2. The ceiling-mounted air conditioner according to 1. 3. The ceiling-embedded air conditioner according to claim 1, wherein the dew receiving portion is formed integrally with the panel frame. 4. The ceiling-embedded air conditioner according to claim 1, wherein a water-absorbing sheet is adhered to an outer wall surface of the dew receiving portion and the blow-out portion connected to the outer wall surface. 5. An end of the water-absorbing sheet attached to an outer wall surface of the dew receiving portion is extended, and the extended portion is adhered along the inner wall surface of the dew receiving portion. The ceiling-mounted air conditioner according to claim 4, wherein 6. The device according to claim 5, wherein a tip of the extension portion is made to approach or contact a bottom wall of the dew receiving portion.
2. The ceiling-mounted air conditioner according to 1. 7. The decorative frame according to claim 1, wherein an inner wall surface of the decorative frame facing the dew receiving portion is attached to the dew receiving portion through the water absorbing sheet with almost no gap. 2. The ceiling-mounted air conditioner according to 1. 8. The embedded ceiling air conditioner according to claim 4, wherein a crack is formed on the bottom wall of the dew receiving portion so that the condensed water oozes. 9. The embedded ceiling air conditioner according to claim 8, wherein the cracks are formed at a plurality of locations of the dew receiving portion.