JP4388801B2 - Ceiling suspended air conditioner - Google Patents

Description

  The present invention relates to a ceiling-suspended air conditioner, for example, a ceiling-suspended air conditioner that is installed suspended from an indoor ceiling.

In general, there is a ceiling-suspended air conditioner in which the interior of an air conditioner main body is partitioned into a heat exchange chamber and a machine room by a partition plate, and a drain pan discharge port on the heat exchange room side protrudes to the machine room side. (For example, patent document 1). In this type of ceiling-suspended air conditioner, if the drain port of the drain pan is clogged with dust, the drain pan must be removed from the air conditioner body to remove it.
JP-A-9-275251

However, the work to remove the drain pan from the air conditioner main body is a work at a high place, so it will put excessive labor on the worker and work on a stand etc. for safety It was not preferable also from the surface.
Accordingly, an object of the present invention is to provide a ceiling-suspended air conditioner that can solve the above-described problems of the prior art and can easily remove dust clogged in a drain pan outlet.

In order to achieve the above-mentioned object, the present invention is configured such that the interior of the air conditioner main body is partitioned into a heat exchange chamber and a machine chamber by a partition plate, and the end of the drain pan on the heat exchange chamber side passes under the partition plate. A discharge port provided at the end of the drain pan protrudes to the machine chamber side, and an opening is formed in the partition plate at a position facing the inner end of the discharge port. The section is connected with a U-shaped groove leading out a refrigerant pipe wound with a heat insulating material extending from the heat exchanger on the heat exchange chamber side, and this U- shaped groove is closed with the refrigerant pipe wound with the heat insulating material, A lid that compresses the heat insulating material so as to be detachable from the machine room side and closes the opening is provided. The lid has a latching portion at an upper edge thereof, and the latching portion is hooked in a hole of the partition plate. Rotating the lid with the fulcrum as a fulcrum, a contact step that is bent in a substantially step shape is formed on the partition plate. Also, the abutting step portion bent in a substantially staircase shape is contacted, the lower side portion of the abutting step portion is aligned with the single body formed on the partition plate, and both are connected by screws. , And the inner end of the drain pan outlet is configured to be freely cleanable from the machine room side.

  In the present invention, the partition plate is provided with a cover body that can be removed from the machine room side, and the inner end portion of the drain pan discharge port is configured to be cleanable from the machine room side by opening the cover body. The clogged dust can be easily removed.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a cross-sectional view showing the internal structure of a ceiling-suspended air conditioner according to the present embodiment, and FIG. 2 is a perspective view thereof.
In FIG. 1, reference numeral 1 denotes an air conditioner main body, and the air conditioner main body 1 is installed and fixed on the lower surface of an indoor ceiling plate by being hooked by a suspension bolt suspended from the ceiling. A partition plate 3 is provided inside the air conditioner body 1, and the partition plate 3 partitions the interior of the air conditioner body 1 into a heat exchange chamber 1A and a machine room 1B.

An air outlet 5 is formed in front of the heat exchange chamber 1A, and an air direction changing plate 7 and a heat exchanger 9 are arranged in this order from the front surface where the air outlet 5 is provided. The heat exchanger 9 is a fin-tube type heat exchanger, and is installed obliquely in the heat exchange chamber 1A.
In addition, a refrigerant pipe is connected to the heat exchanger 9, and a refrigerant gas pipe 10A and a refrigerant liquid pipe 10B (FIG. 2) are led out of the air conditioner body 1 and are compressors of an outdoor unit (not shown). Connected to a decompressor, an outdoor heat exchanger, and the like.

Below the heat exchanger 9, a drain pan 11 made of styrene foam is disposed, and a sheet metal panel 17 is installed on the lower surface of the drain pan 11.
A drain discharge port 21 is connected to the drain pool 11A of the drain pan 11, and the discharge port 21 protrudes toward the machine room 1B.

An electrical box 12 and a blower 13 are disposed in the machine room 1B. The blower 13 is composed of two blower units as shown in FIG. 2, and these are driven by a single motor 15. As shown in FIG. 1, a resin suction grill 23 is installed below the blower 13, and an air cleaning filter 25 is attached to the suction grill 23.
When the blower 13 is driven, indoor air is sucked into the machine room 1B through the suction grille 23 and the filter 25, and this air is heat-exchanged by the heat exchanger 9 in the heat exchange chamber 1A. 5 is blown into the room.

  In this configuration, when assembling the air conditioner main body 1, referring to FIG. 2, the heat exchanger 9 is assembled from below with the partition plate 3 attached in advance, and further, a polystyrene pan drain pan 11 is assembled below the heat exchanger 9. . When incorporating the heat exchanger 9 from below, U-shaped grooves 31A and 31B for passing the refrigerant gas pipe 10A and the refrigerant liquid pipe 10B connected to the heat exchanger 9 are formed in the partition plate 3, A lid 33 for closing the U-shaped grooves 31 </ b> A and 31 </ b> B is attached to the partition plate 3 after passing through each pipe.

In the present embodiment, when the lid 33 is opened, the opening 35 connected to the U-shaped grooves 31A and 31B is exposed as shown in FIG.
The opening 35 is formed in the partition plate 3 to communicate the heat exchange chamber 1A and the machine room 1B. After the lid 33 is removed, for example, an operator can insert his hand from the machine room 1B side. For example, the hand reaches the drain pool 11 </ b> A of the drain pan 11, and the inner end of the drain discharge port 21 continuous there can be cleaned.

3 to 5 show the lid 33 provided on the partition plate 3.
As shown in FIG. 3, the lid body 33 has substantially arc-shaped groove portions 33A and 33B at its upper edge portion, and a contact step portion 33C bent in a substantially step shape at its lower edge portion. Configured. As shown in FIG. 4, when the lid 33 is attached to the partition plate 3, the refrigerant gas pipe 10 </ b> A and the refrigerant liquid are disposed between the substantially arc-shaped grooves 33 </ b> A and 33 </ b> B and the U-shaped grooves 31 </ b> A and 31 </ b> B. Each of the pipes 10B is sandwiched.

  The refrigerant gas pipe 10 </ b> A and the refrigerant liquid pipe 10 </ b> B are respectively wound with a heat insulating material 37. If the heat insulating material 37 is compressed and sandwiched, the sealing performance between the partition plate 3 and the lid 33 is improved. be able to.

  FIG. 5 shows a procedure for attaching the lid 33.

  The lid body 33 has a locking portion 33D at the upper edge thereof, and the locking portion 33D is hooked in a hole (not shown) of the partition plate 3 and is used as a fulcrum to place the lid body 33 in the direction of the arrow. The contact step portion 33C bent in a substantially step shape is brought into contact with the contact step portion 3C formed in the partition plate 3 and also bent in a substantially step shape. Thereafter, the lower side portion 33E of the contact step portion 33C and the piece 3D formed on the partition plate 3 are aligned, and both are connected by screws 39 as shown in FIG. If a packing (not shown) is interposed between the contact step portion 33C and the contact step portion 3C, the sealability of that portion can be improved.

  In this embodiment, when the discharge port 21 of the drain pan 11 is clogged with dust, as shown in FIG. 2, after removing the suction grille 23, the lid 33 of the partition plate 3 is removed, and the opening exposed there Through 35, a hand is inserted from the machine room 1B side. At this time, the hand reaches the drain pool 11A of the drain pan 11, and the clogging of the inner end 21A (see FIG. 5) of the drain discharge port 21 continuous there can be easily cleaned.

  Therefore, even if the work is performed at a high place, the worker does not take excessive labor, and sufficient safety can be ensured when riding on a table or the like.

  As mentioned above, although this invention was demonstrated based on one Embodiment, this invention is not limited to this.

  For example, in the above embodiment, the lid 33 is configured to block the U-shaped grooves 31A and 31B together. However, the present invention is not limited thereto. You may install the body separately.

In the above embodiment, referring to FIG. 2, the cleaning of the left discharge port 21 is targeted. However, the present invention is not limited to this, and the cleaning of the right discharge port 21 may be performed, or both of the discharge ports 21 may be cleaned. The outlet 21 may be cleaned.
When the right discharge port 21 is to be cleaned, the opening 33 similar to the above is formed in the partition plate 3 in the vicinity thereof, and the lid 33 that covers the opening 35 and is removable from the machine room 1B side. Needless to say, the

It is sectional drawing which shows one Embodiment of the ceiling suspension type air conditioning apparatus by this invention. It is a perspective view similarly. It is a figure explaining the attachment procedure of a cover body. It is a figure explaining the attachment procedure of a cover body. It is a figure explaining the attachment procedure of a cover body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Air conditioner main body 1A Heat exchange chamber 1B Machine room 3 Partition plate 9 Heat exchanger 11 Drain pan 21 Discharge port 31A, 31B U-shaped groove 33 Cover body 35 Opening part

Claims (1)

The interior of the air conditioner main body is partitioned into a heat exchange chamber and a machine room by a partition plate, and the end of the drain pan on the heat exchange chamber side is exposed to the machine room side through the partition plate, and the end of the drain pan The outlet provided in the section protrudes to the machine room side,
An opening is formed in the partition plate at a position facing the inner end of the discharge port, and a U-tube that leads out a refrigerant pipe wound with a heat insulating material extending from the heat exchanger on the heat exchange chamber side is formed in the opening. The U- shaped groove is closed by the refrigerant pipe around which the heat insulating material is wound , and includes a lid that compresses the heat insulating material so as to be removable from the machine room side and closes the opening.
The lid body has a latching portion at the upper edge thereof. The latching portion is hooked on a hole of the partition plate, and the lid is rotated around the hole as a fulcrum, and the contact step is bent in a substantially step shape. The part is in contact with the contact step formed on the partition plate, which is also bent in a substantially step shape, and the lower side of the contact step is aligned with the piece formed on the partition plate. Articulated with screws,
A ceiling-suspended air conditioner characterized in that the lid is opened and the inner end of the drain pan outlet can be cleaned from the machine room side.

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