JPS60194239A - Flush type ceiling air conditioner - Google Patents

Abstract

PURPOSE:To permit to facilitate the burying work of the air conditioner into a ceiling, connecting work of external pipelines and the work of service inspection by a method wherein an air-conditioning machine is hung from and secured to the ceiling hole in a condition that the machine is apart from the ceiling hole by the lengths of a blow-off duct and a suction duct. CONSTITUTION:The air-conditioning machine 4 is inserted into the space of ceiling through a large ceiling hole 20 provided at the corner of the hanging ceiling. The air-conditioning machine 4, inserted into the space, is hung and secured in a condition that the machine is apart from the ceiling hole 20 by the lengths of both ducts 8, 10 for blow-off and suction ports. According to this method, the securing work and the pipeline connecting work outside the air-conditioning machine may be effected easily by inserting the body of workers. Further, the beautiful appearance of the hanging ceiling will never be spoiled by closing the ceiling hole 20 with a L-shape decorative panel 26 after finishing the works and, furthermore, the decorative panel may be secured easily to both ducts 8, 10 for the blow-off port and the suction port, which are extending to the vicinity of the ceiling hole, through mounting fitments 31, 32.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to a ceiling-embedded ceiling board in which an air conditioner is embedded in the corner of a descending ceiling, which is provided by lowering a step from the ceiling wall of a building. Regarding a built-in air conditioner.

Japanese Utility Model Publication No. 49-37388 proposes a structure in which a ceiling hole is provided in the corner of a descending ceiling and an air conditioner is suspended and fixed in the ceiling space facing through the ceiling hole. However, with this installation structure, the air conditioner is installed so that the front and bottom parts of the outer box that form the air conditioner body are exposed indoors through the ceiling hole and the road surface. If the air conditioner is housed in the ceiling space through the ceiling hole, the ceiling hole will be blocked by the air conditioner itself, and the cold/hot water pipes and drain pipes passing through the ceiling space will be connected to the heat exchanger and drain pan inside the air conditioner. It had the disadvantage that connection work was difficult.

Furthermore, even if the bottom part of the outer box is removed, the only work that can be done is to repair or replace equipment such as the heat exchanger or blower inside the air conditioner; Because the operating conditions change between inspection and regular operation with the bottom section attached, it is difficult to accurately determine the blower's capacity, noise generation, and drainage status, making service inspections and adjustments difficult. There was also.

Furthermore, since the air conditioner is positioned between the ceiling board and the road surface, the height of the drain pan cannot be set much higher than the ceiling board, and if the drain piping that discharges outdoor sludge is longer than the drain pan, the drain slope will increase. There was also a problem where the drain could not be drained smoothly.

(C) Purpose of the Invention The present invention provides a ceiling-embedded air conditioner that allows easy installation of the air conditioner in the ceiling, connection of external piping, and service inspection, as well as smooth drainage of drain. This is what we provide.

B) Structure of the Invention The device of the present invention consists of a front part having an air outlet grille and a bottom part having an elevating grille, an L-shaped decorative panel that closes a ceiling hole provided at a corner of a descending ceiling, and an air conditioner. The outlet duct and suction duct are connected to the outlet grille and the inlet grille, respectively, and a fixture for fixing an L-shaped decorative board to both ducts allows the outlet duct and suction duct to be connected to each other. The assembled air conditioner can be easily pushed into the ceiling space through the ceiling hole, and the worker can lean into the outer periphery of the pushed air conditioner through the ceiling hole to secure it to the hanging fixture and connect the cold and hot water piping. It can be easily connected to drain pipes and drain pipes, and by removing the decorative plate, it is easy to service the equipment inside the air conditioner and repair and inspect the piping around the outer periphery of the air conditioner. The drain slope is ensured by changing the installation height of the air conditioner accordingly.

(E) Embodiment An embodiment of the present invention will be described based on the drawings. FIG. 1 is an exploded perspective view of a ceiling-embedded air conditioner, and FIG. 2 is a sectional view of the ceiling-embedded air conditioner. (1) is the ceiling wall of the building (
2) This is a ceiling board called a descending ceiling installed at a step lower than the ceiling, and is suspended and fixed from the ceiling wall (2) with a hanging device (3).

(4) is an air conditioner with a built-in centrifugal blower (5) and a heat exchanger (6). suction duct) (1 (I
are fixed with screws αυOυ and a'aag, respectively, and are integrally formed in advance.
14) is externally connected to the inlet header a9 and outlet header αQ, and the drain pipe (1
'J allows it to be discharged outdoors.

The ceiling hole is a ceiling hole provided at the corner of the ceiling board (1), and is made large enough to accommodate the air conditioner (4) in the ceiling space Qυ with both ducts (81Ql installed). This ceiling hole has a front part (2) with an air outlet grille (2).
It is closed with an L-shaped decorative board (C) consisting of a bottom part (2) and a bottom part (2) having a suction grill (2).

@ (Foundation) is fixed to the blowout duct (8), and @ (C) is fixed to the suction duct 4 by welding! All metal fittings @ 翰, (to) (to) are the screws that attach the decorative board to the L-shaped metal fittings @ forehead, @ (to). These screws and the L-reducing metal fittings create a mounting bracket for fixing the decorative board (c). , constitutes Akanes.

(to) (to), (goods) (b) is the front part of the decorative board (e) (
By press-contacting the tip of the blow-off duct (8) and the suction duct frame with the sealing tool attached to the inner wall of the bottom part (c) and the inner wall of the bottom part (c), air is drawn into the room from the suction grill (Foundation). Air is guided to the centrifugal blower (5), and air whose temperature is controlled by the heat exchanger (6) is guided to the outlet grille (2) without leakage.

(To) (To) is the sealing tool ■ (To), (34) (
air seal with the ceiling board (c) and the decorative board (c) with the ceiling board (
1> Place the air conditioner (4) against the ceiling wall (2)
Air conditioner (4) with a hanging device that secures the air conditioner.
A hanging tool is attached to the 7-rank piece (to) that protrudes outward on both sides of the
The height of the air conditioner (4) can be adjusted by screwing and fixing the nuts 0'0 (to).

(To) is a hinge part that allows the bottom part (C) of the decorative board to be removed together with the suction grill. During service inspection, the bottom part (C) can be rotated downward using this hinge part as a fulcrum, and the bottom part By shifting (C) to the left or right with respect to the decorative board (E), the hinge part (To) will come off and only the bottom part (C) can be removed, and the suction grill (
The air filter cover can also be removed by rotating the hinge part downward.

(41) is a heat insulating material pasted on the inner walls of the air conditioner (4) and the blow-off duct (8), and is provided to prevent condensation. 4) and the outer wall of the blow-off duct (8), dew may adhere and drip. Taking this into consideration, the inner edge (6) of the bottom part (C) of the decorative board (E) is raised up to form the bottom part (C) into a dew receiving shape to catch dripping dew.

The device of the present invention is configured as described above, and when embedding the air conditioner (4) in an existing descending ceiling, first install the ceiling plate (1).
Cut out the corner part (43) to form a ceiling hole (to), and push the air conditioner (4) with the air outlet and suction ducts (8) α [pre-installed in advance into the ceiling space 01) through the ceiling hole. Suspend and secure with the hanging tool (to) (to). After externally connecting the cold and hot water piping - α seepage and drain piping 0 to the heat exchanger (6) and drain pan A8, attach the decorative board to the screws 0I@,
(to) (to) and fix it to cover the ceiling hole, and the air outlet grill (
2) and the suction grille Q4, the installation work is completed.

Also, when installing the air conditioner (4) during the construction of a building, first install it in the ceiling hole (1). ) may be pasted on the ceiling board (1) and a decorative board (e) attached.

During this installation, depending on the installation location, drain piping a! If J becomes long, it may not be possible to maintain a sufficient drain slope to discharge the drain outdoors. In this case, loosen the screw A2@ and pull out the suction duct 1llG from the 7 rank part (foundation) which is fixed to the air conditioner (4) by welding, and replace the outlet duct (8) with a flexible duct and suspend it. If the air conditioner (4) is suspended and fixed at a high position using the hanging tools (c) (to), the position of the drain pan (l) will also be raised and a drain slope can be ensured.

When performing a service inspection after installation, remove the suction grill and air filter cover, remove the screws,
A simple service inspection can be performed by rotating the bottom part (C) of the decorative board (E) downward using the hinge (To), and since the test run conditions in this state are the same as the regular operating conditions, the blower It is possible to accurately make operational adjustments, etc.

At this time, it is possible to remove the bottom part (c) from the hinge (to) if necessary, but if you are performing a major service inspection, you can further remove the screws (2) and remove the entire decorative board. In this case, it is possible for a worker to not only inspect the air conditioner (4) but also to enter the ceiling space Qυ and repair the building.

(F) Effects of the Invention According to the present invention, the air conditioner can be easily pushed into the ceiling space through the large ceiling hole provided at the corner of the descending ceiling, and the air conditioner that has been pushed in can be pushed through the ceiling hole. By hanging and fixing the air conditioner at a distance from the ceiling hole by the length of both the outlet and suction ducts, this fixing work and the piping connection work outside the air conditioner can be done by leaning through the ceiling hole. It can be done easily.

Furthermore, by covering the ceiling hole with an L-shaped decorative board after completing this work, the aesthetic appearance of the descending ceiling will not be impaired. Can be easily fixed with mounting tools.

In addition, servicing of equipment inside the air conditioner and repairs and inspections around the piping around the outer periphery of the air conditioner can be easily performed by removing the entire decorative board or the bottom part of the decorative board 9 as necessary. Since the test run conditions are the same as the regular operating conditions, it is possible to accurately adjust the operation of the blower. At the same time, the decorative board can be removed and the hole in the ceiling can be used as an inspection door for workers to enter into the ceiling space to repair the building.

Furthermore, by changing the installation height of the air conditioner depending on the installation location, the drain slope can be ensured and the drain can be quickly discharged outdoors.

In addition, by forming the bottom of the decorative board into an exposed shape,
It is possible to catch dew water adhering to the outer peripheral wall of the air conditioner and prevent it from dripping onto the indoor floor.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is an exploded perspective view of a ceiling-embedded air conditioner, and FIG. 2 is a sectional view of the ceiling-embedded air conditioner. (1)...Ceiling board, (2)...Ceiling wall, (4)
...Air conditioner, (7)...Air outlet, (8)...
・Blowout duct, (9)...Suction port, αQ...Suction duct, (A)...Ceiling hole, 0υ...Ceiling space, 4...Blowout grill, (C)...Front Part, (2
4)...Suction grill, (E)...Bottom part, (2
Q... Decorative board, 01) (Three... Fixtures. Applicant: Sanyo Electric Co., Ltd. and one other representative Patent attorney: Masao Sano

Claims (3)

[Claims] (1) A ceiling hole is provided at the corner of a ceiling board installed at a step below the ceiling wall of a building, and an air conditioner is suspended and fixed in the ceiling space facing from this ceiling hole, which has an air outlet grill. an L-shaped decorative board that closes the ceiling hole and consists of a front part and a bottom part having a suction grille, and an air outlet duct and suction connecting the air conditioner's air outlet to the outlet grille and the suction outlet to the suction grille, respectively. A ceiling-embedded air conditioner comprising a duct and a fixture for fixing an L-shaped decorative board to both ducts. (2) The ceiling-embedded air conditioner according to claim 1, wherein the bottom portion of the decorative board is formed to be removable. (3) The ceiling-embedded air conditioner according to claim 1, wherein the bottom surface of the decorative board is formed into an exposed shape.