JPH0522132B2 - - Google Patents

Description

[Detailed Description of the Invention] (a) Industrial Application Field The present invention is a ceiling-embedded ceiling plate in which an air conditioner is embedded in a corner of a descending ceiling that is installed by lowering a step from the ceiling wall of a building. Regarding a built-in air conditioner.

(b) Prior Art Japanese Utility Model Publication No. 49-37388 proposes a structure in which a ceiling hole is provided at the corner of a descending ceiling and an air conditioner is suspended and fixed within the ceiling space that is visible 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 in a state that is approximately flush with the ceiling hole. If the air conditioner is housed in the ceiling space through a ceiling hole, the air conditioner itself will block the ceiling hole, and the connection between the cold/hot water pipes and drain pipes that run through the ceiling space and the heat exchanger and drain pan inside the air conditioner will be interrupted. It had the disadvantage that it was difficult to perform the connection work.

For this reason, attempts have been made to create a structure in which the air conditioner is suspended and fixed in the back of the ceiling space away from the ceiling hole, as in Publication of Utility Model Publication No. 53-1246, but it is difficult to determine the hanging position of the air conditioner. Since holes in the ceiling must be made separately in the horizontal and vertical parts of the ceiling, cutting out the holes in the ceiling is troublesome.In addition, since the corners of the descending ceiling remain, it is difficult for workers to cut out the ceiling space from the ceiling hole. When leaning inside to secure the hanging equipment and connect the hot and cold water pipes and drain pipes, it got in the way and hindered work.

(c) Purpose of the Invention The present invention provides a ceiling hole in the corner of a descending ceiling to facilitate hanging of the air conditioner, connection of external piping, and service inspection work, while also simplifying the hanging position of the air conditioner. To provide a ceiling-embedded air conditioner which can comfortably adjust the air in a room by blowing out conditioned air from the front and bottom surfaces of a descending ceiling.

(d) Structure of the Invention The present invention provides a ceiling hole in the corner of a ceiling board installed at a step below the ceiling wall of a building, and an air conditioner suspended and fixed in the ceiling space that is visible from the ceiling hole. In a built-in air conditioner, a T-shaped air outlet is connected to the front air outlet of the air conditioner, a suction duct is connected to the lower air inlet of the air conditioner, and the front opening end of the air conditioner is connected to the ceiling plate. , the lower open end of this blowout duct, and the lower open end of the suction duct are located on the same plane as the horizontal plane of the ceiling plate, and the front open end and both lower open ends are provided with ventilation holes. By blocking the ceiling hole with an L-shaped decorative board that is connected and installed,
The air conditioner can be easily pushed into the ceiling space through an L-shaped ceiling hole, and the front and lower open ends of the blowout duct and the lower open end of the suction duct are aligned with the vertical and horizontal surfaces of the descending ceiling. As a result, the hanging position of the air conditioner can be easily determined, and the worker can secure the hanging equipment and control the temperature and temperature by leaning into the L-shaped ceiling hole on the outer periphery of the air conditioner. It is easy to connect water piping and drain piping, and by removing the decorative panel, 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. Conditioned air is blown out from the front and bottom to comfortably cool and heat the room.

(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 a ceiling board called a descending ceiling installed at a step below the ceiling wall 2 of the building, and is suspended and fixed from the ceiling wall 2 with a hanging tool 3.

Reference numeral 4 denotes an air conditioner incorporating a centrifugal blower 5 and a heat exchanger 6, and a T-shaped outlet duct 8 is connected to the front outlet 7, and a suction duct 10 is attached to the lower inlet 9 using connectors 11 and 12, respectively. The heat exchanger 6 and the cold/hot water pipes 13, 13 are connected externally by the inlet header 14 and the outlet header 15, and the drain dripping from the heat exchanger 6 is connected to the outside by the drain pan 16. The water is then discharged outdoors through a drain pipe 17.

Reference numeral 18 denotes a ceiling hole provided at a corner 19 of the ceiling plate 1, and is formed to be large enough to house the air conditioner 4 in the ceiling space 20 with both ducts 8 and 10 provided. , front opening end 2 of the outlet duct 8
1 and the bent piece 23 of the lower open end 22 are connected to the vertical surface 24 of the ceiling plate 1, and the lower open end 22 of the blowout duct 8 and the lower open end 25 of the suction duct 10 are connected to the horizontal surface 26 of the ceiling plate 1, respectively. By arranging them on the same plane, the air conditioners 4 can be hung horizontally within the ceiling space 20 while being aligned in the front-rear and up-down directions.

27 is a front part 28 and a bottom part 2 that close the ceiling hole 18.
It is an L-shaped decorative board consisting of
The front air outlet 31 installed at 0 is
The bottom part 29 includes a vent hole 33 for downward blowing, which is connected to the lower open end 22 of the air outlet duct 8 and is attached with a screw 32, and a lower open end 2 of the suction duct 10.
5 are provided with suction vents 35, which are connected with screws 34 and are attached with screws 34, respectively.

36, 37, and 38 are sealing materials stuck to the inner wall of the front part 28 and the inner wall of the bottom part 29 of the decorative board 27, and are attached to both open ends 21, 22 of the blow-off duct 8 and the open end 25 of the suction duct 10. By being pressed into contact with each other, the indoor air taken in from the vent 35 is guided to the centrifugal blower 5, and the air whose temperature has been adjusted by the heat exchanger 6 is guided to the vents 31 and 33, respectively, without leakage. It's on.

Reference numeral 39 indicates a hinge portion 40 provided within the blow-off duct 8.
The damper is rotatably supported by the damper, and when it is set to the solid line state during cooling, cold air is blown forward from the vent 31, and when it is set to the dot-dash line state during heating, warm air is blown downward from the vent 33, making the room more effective. By setting the damper 39 to the broken line state and distributing cold and hot air forward and downward, the room is heated and cooled over a wide area.

41, 41 penetrate the flange pieces 42 that protrude outward on both sides of the air conditioner 4, and then the nuts 43, 4
3 is a hanging tool that screws together and fixes the nut 4.
3 and 43, the height position of the air conditioner 4 can be changed.

Reference numeral 44 denotes a hinge part that makes the bottom part 29 of the decorative board 27 removable together with the suction grill 45. During service inspection, the bottom part 29 can be rotated downward using this hinge part as a fulcrum, and the bottom part 29 can be rotated from side to side with respect to the decorative board 27. By shifting in one direction, the hinge part 44 comes off and only the bottom part 29 can be removed, and the suction grille 45 can also be rotated downward by the hinge part 46 to remove the air filter 47.
is made to be removable.

The device of the present invention is constructed as described above, and when embedding the air conditioner 4 in an existing descending ceiling, first cut out the corner 19 of the ceiling plate 1 to form the ceiling hole 18, and then The air conditioner 4 with both ducts 8 and 10 installed in advance is inserted into the ceiling space 20 through the ceiling hole 18.
Push it in and hang it up with the hanging tools 41, 41. When suspending the air conditioner 4, the opening ends 21, 22, 25 of both the air outlet and suction ducts 8, 10 are arranged on the vertical surface 24 and the horizontal surface 26 of the ceiling board 1 on the same plane, respectively. To determine the lowering position, fine adjustment of the alignment of both ducts 8 and 10 is made by sliding the blow-off duct 8 in the front-back direction relative to the coupling tool 11 and the suction duct 10 in the vertical direction relative to the coupling tool 12. can be done. After externally connecting the cold and hot water pipes 13, 13 and the drain pipe 17 to the heat exchanger 6 and drain pan 16, the decorative board 27 is fixed with screws 30, 32, 34, and 48, and the ceiling hole 1 is fixed.
8, and the outlet grills 49, 50 and the suction grill 4.
5, the installation work will be completed.

When performing a service inspection after installation, remove the suction grill 45 and air filter 47 and tighten the screws 3.
4 and rotate the bottom part 29 of the decorative board 27 downward using the hinge 44 to perform a simple service inspection. At this time, it is also possible to remove the bottom part 29 from the hinge 44 if necessary. When performing a major service inspection, add screws 30 and 3.
By removing 2 and 48, the entire decorative board 27 can be removed, and in this case, it is possible not only to inspect the air conditioner 4 but also to allow workers to enter the ceiling space 20 and repair the building. .

Figures 3 and 4 show another embodiment of the present invention, which differs from the above-mentioned embodiment in that the lower ventilation passage 51 of the blow-off duct 8 is narrowed to provide a vent 33' for the air curtain. Since the other components are the same as those in the above-mentioned embodiment, they will be denoted by the same reference numerals and the explanation will be omitted.

In particular, if a ceiling-embedded air conditioner with this air curtain function is installed on the descending ceiling above the entrance door 52 of a hotel room or the door 54 of a bathroom 53, as shown in FIG. , can prevent outdoor air from the door 52 and hot and humid air from the bathroom 53 from entering the living space of the room,
The living space will be comfortably air-conditioned.

(F) Effects of the Invention According to the present invention, an air conditioner can be easily pushed into the ceiling space through a ceiling hole provided at a corner of a descending ceiling, and an air duct can be installed on the vertical and horizontal surfaces of the descending ceiling. By aligning the front and bottom open ends with the bottom open end of the suction duct, the hanging position of the air conditioner can be easily determined, and this hanging fixing work and piping connection work outside the air conditioner can be easily determined. This can be easily done by leaning in through the L-shaped hole in the ceiling.

Moreover, the conditioned air is blown out forward and downward from the front and bottom open ends of the blow-off duct, which also serves as positioning of the air conditioner, through the vents in the decorative board, respectively, so that the room can be comfortably cooled and heated.

In addition, by covering the ceiling hole with an L-shaped decorative board, the feeling of a descending ceiling is not impaired.Moreover, the decorative board can be easily installed in three places, both the air outlet and suction ducts, which extend to the ceiling hole. Can be firmly fixed.

Furthermore, servicing of the 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 as necessary. The hole in the ceiling can also be used as an inspection door for workers to enter the ceiling space to repair the building.

[Brief explanation of the drawing]

1 and 2 show an embodiment of the present invention, FIG. 1 is an exploded perspective view of a ceiling-mounted air conditioner, FIG. 2 is a sectional view of the ceiling-mounted air conditioner,
Figures 3 and 4 show other embodiments of the present invention; Figure 3 is a perspective view of a ceiling-embedded air conditioner installed on the ceiling; Figure 4 is a ceiling-embedded type It is a sectional view of an air conditioner. 1...Ceiling board, 2...Ceiling wall, 4...Air conditioner, 7...Front air outlet, 8...Blowout duct, 9...
... Bottom suction port, 10 ... Suction duct, 18 ... Ceiling hole, 19 ... Corner of ceiling board, 20 ... Ceiling space, 21 ... Front opening end of outlet duct, 22 ...
Lower opening end of the blowout duct, 24... Vertical surface of the ceiling plate, 25... Lower opening end of the suction duct, 26...
Horizontal surface of ceiling board, 27... Decorative board, 31, 33,
33', 35...Vent.

Claims (1)

[Claims] 1. In the case where 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, the front side of the air conditioner is A T-shaped blow-off duct is connected to the outlet, and a suction duct is connected to the bottom suction port of the air conditioner. The lower open end of the suction duct is located on the same plane as the horizontal plane of the ceiling board, and the front open end and both lower open ends are connected with ventilation holes. A ceiling-embedded air conditioner characterized by blocking a hole in the ceiling.