JP3267461B2 - Ceiling cassette type air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to relates to a ceiling cassette type air conditioner indoor unit in the ceiling portion of the chamber is incorporated, in particular, a ceiling cassette type air conditioner having an improved gas component box mounting structure electrodeposition of the indoor unit It is about the machine.

[0002]

2. Description of the Related Art FIG . 6 is a longitudinal sectional view of an indoor unit of a ceiling cassette type air conditioner of a four-way blowing type. As shown in the figure, an indoor unit 1a of this type of air conditioner 1 is attached to a ceiling in a room via a lifting member 2 or the like. An inlet 4 is formed at the center of the ceiling panel 3 of the indoor unit 1a, and an outlet 5 is formed around the inlet 4. The outlet 5 is provided with a louver 5a for adjusting the blowing direction.

In the indoor unit 1a, a rectangular indoor heat exchanger 6 is provided so as to separate the inlet 4 and the outlet 5 from each other. A turbo fan 8 driven by a fan motor 7 is provided at a central portion inside the indoor heat exchanger 6.
Is provided, and the air passing through the indoor heat exchanger 6 is blown to the outlet 5.

A drain pan 9 formed of a foam material such as styrene foam is provided below the indoor heat exchanger 6 to collect dehumidified water and to connect the suction side and the blow side of the turbo fan 8 to each other. The air is separated and the air is guided to the outlet 5.

The indoor heat exchanger 6 and the turbo fan 8
The housing 12 of the indoor unit 1a for housing the sheet metal housing 1a is used to prevent dew condensation due to a temperature difference from room air.
A heat insulating material 12b is attached to the entire inner and outer surfaces of 2a.

The ceiling cassette type air conditioner 1 has a PC
An electric component box (not shown) in which electric components such as a board, a transformer, and a relay are mounted is stored. This electric component box was fixed to the ceiling panel 3 or the like, or slidably mounted in the vertical direction, and had a structure capable of drawing out assembled electric components.

[0007]

When an electric component box is fixed to a ceiling panel or the like, if the user attempts to replace or repair an electric component without removing the ceiling panel, the center panel must be removed. There is a problem that a large work space is required in a detached state. Further, in the case where the electric component box is slidably mounted in the vertical direction and has a structure in which the assembled electric components can be pulled out, there is a problem that the electric components are difficult to see, wiring is easily entangled, and it is difficult to pull out.

In view of the above problems, it is an object of the present invention to provide a ceiling cassette type air conditioner that can easily perform operations such as replacement and repair while viewing electric components even in a narrow work space.

[0009]

According to the above arrangement, the electric component box in the housing is located below the electric component box.
An electric part mounting base is provided in the part, and the lower surface of the electric part mounting base
Electric parts are mounted on the electric parts box or electric parts mounting
The table is slidable, so it is hidden behind a ceiling panel
Electrical parts that were damaged during inspection, replacement, repair, etc.
It can be exposed to the air inlet, which is a space.
Therefore, the work such as inspection, replacement and repair can be performed while looking at the electric parts, so that the work is easy even in a narrow work space. Loosen the screw further and then insert it into the slot
Slide the electrical component box or electrical component mounting
To remove the electrical component box and electrical component mounting base.
The electrical components to be repaired, etc.
Can be moved.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises a blower and a heat exchanger in a housing, an air suction port in a central portion on the lower surface side of the housing, and an air blowing port on the outside thereof. A ceiling cassette type air having an outlet, an electric component disposed on the lower surface of the air suction port in the housing, and a ceiling panel having a suction panel that covers the lower surface of the housing and can be taken out at a portion facing the air suction port. In the harmonic device, the electric component is disposed at a position facing the suction panel mounting portion of the ceiling,
Electric parts provided at the lower part of the electric parts box provided in the housing
It is provided on the lower surface of the mounting base, and the above-mentioned housing and electrical parts box
Alternatively, the electrical component box and the electrical component mount are
The mounting screws make the above electrical components work space.
It is slidably mounted in the horizontal direction so as to face the air suction port .

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a ceiling cassette type air conditioner according to the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing the appearance of a ceiling cassette type air conditioner according to the present invention .

As shown, the indoor unit 41a of the ceiling cassette type air conditioner 41 is of a two-way blowing type. The ceiling panel 43 below the housing 42 of the indoor unit 41a has a rectangular shape. A suction port 4 is provided on both sides of a suction panel 43a formed at the center of the ceiling panel 43.
4 are formed, and outlets 45 are formed on both sides thereof. The outlet 45 is provided with a louver 46 for adjusting the blowing direction.

FIG . 2 is a schematic perspective view showing the mounting position of the electric component box with the suction panel 43a removed from the indoor unit 41a.

As shown, a filter 47 is detachably mounted inside the suction panel 43a.
A rectangular parallelepiped electrical component box 48 is attached to one side of the indoor unit 41a along the width direction thereof. Therefore, normally, a part of the electric component box 48 is exposed in the opening 43b of the ceiling panel 43 from which the suction panel 43a is removed .

FIG . 3 is a front view showing the electrical component box mounting structure according to the present invention in which the electrical component box mounting structure is variously modified.

As shown in the figure, this electric component box 48
It is fixed to the main body of the indoor unit 41a by fixing screws 49 screwed to both longitudinal edges thereof. An electric component mounting base 50 is slidably mounted on the electric component box 48. Specifically, a long hole 5 is formed along both sides of the electrical component mounting base 50 in the longitudinal direction.
A mounting screw 52 is inserted into each elongated hole 51 and screwed into the electric component box 48. Then, the assembled electric component 53 is fixed to the electric component mounting base 50,
The assembled electric component 53 includes, for example, a relay 53a, a surge killer 53b, a capacitor 53c, a transformer 53d,
It comprises a PC board 53e, a terminal board 53f and the like.

FIG. 4 is a front view showing a second mounting structure of the electric component box in the present invention .

As shown, the electric component box 48 is slidably attached to the main body of the indoor unit 41a. Specifically, a long hole 51 is formed in both longitudinal edges of the electric component box 48 along the longitudinal direction,
A mounting screw 52 is inserted into each long hole 51 and the indoor unit 4
1a. An electric component mounting base 50 is fixed to the electric component box 48 by a fixing screw 49. As described above, the electric component mounting base 50 includes the relay 53a, the surge killer 53b, and the capacitor 5 as described above.
3c, transformer 53d, PC board 53e and terminal board 53f
The assembled electric component 53 composed of the above is fixed.

FIG. 5 is a front view showing a second mounting structure of the electric component box in the present invention .

As shown, the electric component box 48 is fixed to the main body of the indoor unit 41a. At the bottom of the electric parts box 48, as shown in FIG. 4, the electrical component mounting board 50 is fixed under the electrical component mounting board 50
On the surface, as described above, relay 53a, surge suppressor 53 b, a capacitor 53c, a transformer 53d, PC plate 5
An assembled electric component 53 including 3e and a terminal plate 53f is fixed. That is, the electric component box 48, the electric component mounting base 50, and the assembled electric component 53 are fixed. This
Thus, the assembling electric component 53 is attached to the suction panel mounting portion on the ceiling.
And a power supply provided in the housing 42.
The lower surface of the electric component mounting base 50 provided at the lower part of the electric component box 48
And the housing 42 and the electric component box 48 or
The electric component box 48 and the electric component mounting base 50 are
The mounting screws 52 allow the assembled electrical components 53 to be placed in a work space.
Slides horizontally to face the air suction port 44
It is attached to the place.

Next, the operation of the ceiling cassette type air conditioner 41 of the present invention will be described.

As described above, according to the second mounting structure, the electric component box 4 is attached to the main body of the indoor unit 41a.
8 can be slid along with the electric component mounting base 50 and the assembled electric component 53 along the longitudinal direction thereof.

That is, in the initial state shown in FIG. 5A , the opening 4 of the ceiling panel 43 from which the suction panel 43a is removed.
3b, the PC board 53e and the terminal board 53f constituting the assembled electric component 53 are exposed. By loosening the mounting screw 52 screwed to the main body of the indoor unit 41a,
The electric component box 48 is inserted into the indoor unit 4 by the length of the long hole 51.
1a can be slid along the width direction. FIG. 5 (b) shows a state in which the sliding movement is performed . The relay 53a, the surge killer 53b, the capacitor 53c, and the transformer 53d are exposed in the opening 43b, and the electric components hidden in the ceiling panel 43 come out to the work space. Will be.

In the case of the first mounting structure, when the mounting screw 52 screwed to the electric component box 48 is loosened, the electric component mounting base 50 is moved by the length of the long hole 51 to the indoor unit 41a. It can be slid along the width direction.

As described above, according to the first embodiment, the electric component box 48, the electric component mounting base 50 or the ceiling panel 43 can be connected to the indoor unit 4 by a simple operation of loosening the mounting screw 52.
Since it is possible to slide along the width direction of 1a, the electric components hidden from the ceiling panel 43 are exposed to the opening 43b serving as a working space.

Therefore, the suction panel 4 is moved from the ceiling panel 43 to the suction panel 4.
Even in a narrow work space from which 3a has been removed, operations such as replacement and repair can be easily performed while viewing the electrical components.

[0028]

[0029]

[0030]

[0031]

[0032]

As described above, according to the ceiling cassette type air conditioner according to the present invention, the electric component box inside the housing is located below the electric component box.
An electric part mounting base is provided in the part, and the lower surface of the electric part mounting base
Electric parts are mounted on the electric parts box or electric parts mounting
The table is slidable, so it is hidden behind a ceiling panel
Electrical parts that were damaged during inspection, replacement, repair, etc.
It can be exposed to the air inlet, which is a space.
Therefore, inspection, replacement, repair, etc. can be performed while looking at the electrical components.
The work is simple. Loosen the screw further and then insert it into the slot
Slide the electrical component box or electrical component mounting
To remove the electrical component box and electrical component mounting base.
The electrical components to be repaired, etc.
Can be moved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance of a ceiling cassette type air conditioner according to the present invention.

FIG. 2 is a schematic perspective view showing a mounting position of an electric component box with a central panel removed from an indoor unit.

FIG. 3 is a front view showing a first mounting structure of the electric component box in the present invention .

FIG. 4 is a front view showing a second mounting structure of the electric component box in the present invention .

5A and 5B show a state in which the electric component box of the second mounting structure slides, wherein FIG. 5A is a front view of an initial state, and FIG. 5B is a front view of a slide movement state.

FIG. 6 shows a conventional four-way blowing type ceiling cassette type air conditioner.
It is a longitudinal section showing an indoor unit of a machine.

[Explanation of symbols]

 41 ceiling cassette type air conditioner 41a indoor unit 42 housing 43 ceiling panel 43a suction panel 43b opening 46 louver 47 filter 48 electric component box 49 fixing screw 50 electric component mounting base 51 long hole 52 mounting screw 53 assembly electric component 53a relay 53b Surge killer 53c Capacitor 53d Transformer 53e PC board 53f Terminal board 54 Bolt 54a Bolt head 54b Flange 55 Nut 56 Insertion hole

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model 60-2735 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24F 1/00 401

Claims (1)

(57) [Claims] An enclosure includes a blower and a heat exchanger.
Air inlet at the center on the lower side of the body and air blowout outside
Equipped with an electrical component on the lower surface of the air suction port in the housing
At the same time, cover the bottom of the housing and
Ceiling panel with a removable suction panel
In the well cassette type air conditioner, the electric components are
When installed in a position facing the suction panel mounting part of the well,
In addition, the electric part provided in the lower part of the electric parts box
It is provided on the lower surface of the component mounting base,
The product box or the electrical component box and the electrical component mount are
Holes and mounting screws make the above electrical components work space.
A ceiling cassette type air conditioner, which is slidably mounted in the horizontal direction so as to face the air suction port .