JP2551639Y2 - Air conditioner - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to an air conditioner,
In particular, it relates to a measure for simplifying the drain drain structure of a humidifier.

[0002]

2. Description of the Related Art Generally, some air conditioners are provided with a humidifier to humidify blown air to improve comfort. An air conditioner equipped with this humidifier is disclosed in, for example, Japanese Utility Model Laid-Open No. 64-51129.
A heat exchanger and a natural evaporative humidifier are provided inside. The drain generated in the heat exchanger is collected by a drain pan and drained to the outside.

In the humidifier disclosed in Japanese Utility Model Laid-Open No. 1-148539, a drain pan is also provided for the humidifier, and drain (humidified drain) generated by the humidifier is drained to the outside.

[0004]

However, when the natural evaporative humidifier is installed outside the air conditioner, the humidification drain is provided separately from the drain drain pipe for draining the drain generated in the air conditioner body. Drain humidification drainage pipes are often provided. For this reason, the drain drainage pipe is divided into two systems, which is not only complicated, but especially in the case of the ceiling-mounted type air conditioner, the drain drainage device is installed above the ceiling due to restrictions on the structure of the building and the installation space of the air conditioner. If not, it is not possible to secure sufficient drainage height (drain head).
There was a problem that the humidifier itself could not be installed.

The present invention has been made in view of the above point, and has as its object to enable smooth drainage of humidified drain while omitting drainage piping for humidified drain.

[0006]

Means for Solving the Problems To achieve the above object, a measure taken by the present invention is to drain water that cannot be completely evaporated from a humidifying element to a drain pan collecting part in a casing by a humidifying drain pipe. The water is drained by a drain pump together with the drain generated in the casing.

More specifically, a measure taken by the present invention is that a casing (2) is provided with an inlet (7) and outlets (8), (8), and inside the casing (2), An air passage (A) is formed between the suction port (7) and the outlets (8), (8), while the heat exchangers (26), (26).
And a fan (18), (18), (18), and a drain pan (28) for collecting drain from the heat exchangers (26), (26); and a drain pan (28).
It is assumed that the air conditioner is provided with a drain pump (36) disposed above and draining drain to the outside.

More specifically, FIGS. 1, 4 and 6
As shown in the figure , the drain pan (28) is a heat exchanger.
(26), Drain recovery unit disposed below (26)
(30), (30) and a partition member in the casing (2)
(32) is separated from the air passage (A).
And flowed through the drain recovery sections (30) and (30).
A water collecting section (29) for collecting drain;
A pump (36) is provided on the water collecting part (29).
On the other hand, an insertion port (74) for a humidifier (61) is opened in the casing (2), and a humidifier (61) is detachably mounted on an outer surface of the casing (2) on the insertion port side. Configuration.

Furthermore, the humidifier (61), the air passage
At the position facing the heat exchanger (26) across the path (A).
A humidifying element (67) facing the air passage (A) in the casing (2) through the insertion opening (74) from the main body (62), and one end of the main body (62). 62), and the other end is provided with a humidifying drain pipe (75) facing the water collecting part (29) of the drain pan (28) in the casing (2).

[0010]

According to the present invention, when the apparatus is in operation, the moisture in the air condenses in the heat exchangers (26) and (26) during the operation of the apparatus to generate drain, while the humidifier (61) is operated. Water that cannot be completely evaporated from the humidifying element (67) becomes humidified drain, and it is necessary to drain these drains out of the casing (2).

On the other hand, the water which cannot be evaporated is drained to the water collecting part (29) of the drain pan (28) by the humidifying drain pipe (75) connected to the humidifier (61), and the heat exchanger (26). ), Together with the drain collected from (26), is drained to the outside by the drain pump (36).

[0012]

As described above, according to the present invention, water that cannot be completely evaporated by the humidifier (61) is used as the humidified drain by the humidification drain pipe (75) and the water collecting part (2 ) of the drain pan (28).
Since the water is drained to 9) , the drain generated in the casing (2) and the humidifier (61) during operation can be collectively drained, and the drain pipe for the humidifier (61) drain can be omitted. The piping system can be simplified. In addition, the humidification drain can be drained by the drain pump (36), and even if the height of the humidifier (61) itself is low, smooth drainage is possible. The humidifier (61) can be freely installed in the casing (2) without any restrictions.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.

1 to 7 show an example in which the air conditioner of the present invention is applied to an indoor unit of a ceiling embedded cassette type.

As shown in FIGS. 1 and 2, the ceiling-mounted cassette type indoor unit (1) has a casing (2) composed of a casing body (3) and a decorative panel (4). The casing body (3) is formed in a box shape that is long on the left and right sides and short in depth, and is suspended from a beam or the like via suspension bolts (5) and is disposed behind the ceiling. A decorative panel (4) is detachably mounted on the lower surface of the casing body (3), and the decorative panel (4) is configured to abut the lower surface of the ceiling to cover the casing body (3) from the room. .

The decorative panel (4) has an elongated suction port (7) at the center toward the left and right sides, and two elongated air outlets (8), (2) on both sides in the depth direction of the suction port (7). 8) are formed, and a suction grill is detachably attached to the suction port (7) so that the inside can be inspected if it is removed.

An air passage (A) is formed in the casing (2) between the suction port (7) and the outlets (8), (8). In the air passage (A), FIG.
As shown in FIG. 4, a fan unit (13) is provided.

The fan unit (13) includes a partition plate (1).
6) A fan motor (17) toward the left and right sides of the casing (2), and three sirocco fans (18), (18), (1) driven by the fan motor (17).
8) are arranged side by side. The fan unit (13) is provided on the two main body-side support portions (21) and (21) disposed in the casing main body (3) toward the left and right sides of the air passage (A). 16) is screwed to support the casing body (3).

Then, as shown in FIG.
6), the air passage (A) is partitioned into a suction-side passage (B) and a discharge-side passage (C). A fan motor (17) and three sirocco fans (18), (18), driven by the fan motor (17) are provided in the suction side passage (B) toward the left and right sides of the casing (2). (18)
And will be arranged. Each sirocco fan (1
8), (18) and (18), the fan suction port (22) is opened in the suction side passage (B), while the fan outlet port (2) is opened.
3) penetrates the partition plate (16) and is opened in the outlet side passage (C).

On the other hand, in the outlet side passageway (C), along two partition plates (16) disposed to the left and right sides, two
The two heat exchangers (26) and (26) are provided, and a heater (27) is provided between the two heat exchangers (26) and (26). The heat exchangers (26), (26) are connected via a refrigerant pipe to a compressor installed in an outdoor unit (not shown), and are configured to circulate the refrigerant gas so as to be able to cool and heat.

A drain pan (28) is provided in the casing body (3). This drain pan (2
8) Two water collecting portions (29) formed on the left side of the casing body (3) and two water collecting portions formed between the water collecting portion (29) and the right side surface of the casing body (3). And a drain recovery section (30), (30). The drain recovery units (30) and (30) are provided with the heat exchanger (26),
(26) and a main body side support portion (2
1) and (21) are in close contact with the partition plate (16).

Further, two drain collecting sections (30), (3)
0), a partition member (3) is provided on the side surface of the water collecting portion (29).
2) The water collecting part (29) and the partition member (32) are erected.
Thus, a drain pump chamber (35) is formed. With this partition member (32), the drain pump chamber (35)
Is separated from the suction side passageway (B), which is a space portion of the air passageway (A) that can be inspected from the suction port (7).

The drain pump chamber (35) has a water collecting section (2)
9) An upper drain pump (36) and a drain drain pipe (37) connected to the drain pump (36) are provided, and the drain drain pipe (37) is extended to the outside to make the transparent drain pipe (37) transparent. It is connected to an external drain pipe (39) via a socket. A transparent pipe is used for the drain drain pipe (37), and is configured to be able to see through the drain flowing inside.

As shown in FIG. 1, the partition member (3
In 2), an observation window (41) for confirming the drain drain pipe (37) for visually checking the drain drain pipe (37) from the suction port (7) via the suction side passage (B) faces the drain drain pipe (37). It can be opened and closed.

Although not shown, an electric box is provided on the side of the air passage (A) of the partition member (32), and the electric box is provided at a position facing the viewing window (41). A through hole is formed to allow the viewing window (41) to be seen through from inside the electrical component box.

Further, as shown in FIGS. 3 to 7, a humidifier (6) of a natural evaporation type is provided on the rear surface of the casing body (3).
1) is mounted.

In the main body (62) of the humidifier (61), although not shown, a water storage portion and a humidification drain pan are vertically arranged, and a water supply pipe (64) for supplying humidification water to the water storage portion.
Is connected. Two electromagnetic valves are interposed in series in the water supply pipe (64). One solenoid valve is configured to be opened and closed by a float switch, and the other is configured to be opened and closed by a room temperature thermostat that detects room temperature. Therefore, when the other solenoid valve is closed, the humidifier (61) does not fluctuate the water level in the water storage section, so the number of times of operation of one solenoid valve is reduced and the durability of this solenoid valve is increased. Will be.

[0028] While a float switch is provided in the water storage section, an opening (6) formed in the side wall of the main body (62) is provided.
The humidifying element (67) is inserted into the side wall via 6), and a part of the humidifying element (67) is disposed in the water storage section. The humidifying element (67) includes a number of water-absorbing evaporating pieces (70),
(70),... Are integrally joined at predetermined intervals. Each water absorption evaporating piece (70), (70), ...
Is made by hardening the fibers into a thin plate shape, and is immersed in the water stored in the water storage portion, and has a projection (72) projecting from the opening (66). The protruding portion (72) faces the outlet side passage (C) in the casing main body (3) through an insertion port (74) formed in the rear surface of the casing main body (3), and extends downward to humidify. It is configured to be arranged on a drain pan.

The humidifying element (67) configured as described above receives the water absorbed from the water storage part by the projecting part (7).
The humidified water evaporating from 2) and circulating in the blow-out side passage (C) is humidified, and the humidified water that has not been completely evaporated flows down to the humidified drain pan as humidified drain.

An outlet pipe (71) shown in FIG. 6 is connected to the humidifying drain pan, and the outlet pipe (71) is extended to the outside, and a humidifying drain pipe (75) as a feature of the present invention is connected. I have. The humidifying drain pipe (75) is detachably connected to the humidifier-side elbow-shaped member (77) and the drain pan-side elbow-shaped member (78).

The drain pan-side elbow-shaped member (78) is inserted into the drain pump chamber (35) through a humidification drain pipe insertion port (80) formed on the rear surface of the casing body (3), and the terminal is terminated at the casing body (3). 3) Drain pan (2)
The humidification drain is disposed on the water collecting part (29) of (8), and is configured to be drained to the water collecting part (29).

On the other hand, a drain pan side elbow member (78)
Is fitted with a lid (81).
1) closes the humidification drain pipe insertion port (80).

Further, in the present embodiment, the drain pump (36) and the compressor are operated and stopped by the indoor thermostat.
1) is linked to the operation / stop of the drain pump (36) and the compressor. When the humidifier (61) opens the solenoid valve operated by the float switch, about 60% of the humidified water absorbed by the humidifying element (67) is used.
Is configured to be drained to a humidified drain pan.
In this way, the humidifying water is constantly drained during operation, so that the water is kept clean and the discharge pipe (71) due to dirt is kept.
This is to prevent clogging of the humidification drain pipe (75) and the like.

Next, the operation of the humidifier (61) will be described.

During operation of the indoor unit (1), moisture in the air is condensed in the heat exchangers (26) and (26) to generate drain, and the generated drain is collected in a drain recovery section ( 30 ).
( 30 ), and the drainage pan (28) collecting part (2)
Drained in 9).

On the other hand, water which cannot be completely evaporated from the humidifying element (67) flows down to the humidifying drain pan by the humidifying drain pipe (75) connected to the humidifier (61). The humidified drain is drained to a water collecting part (29) of a drain pan (28) via a humidified drain pipe (75). Then, the water is drained to the outside by the drain pump (36) together with the drain recovered from the heat exchanger.

As a result, as shown in FIG. 7, even when the height between the humidification drain pipe (75) and the ceiling is relatively small, a sufficient drain head H can be obtained by the drain pump (36), and Even if the external drain pipe (39) provided in the tub is long, drainage can be smoothly performed.

As described above, according to the present embodiment, water that cannot be completely evaporated by the humidifier (61) is drained to the water collecting section (29) as humidified drain by the humidification drain pipe (75).
Drainage generated in the casing (2) and the humidifier (61) during operation can be collectively drained, and the drainage pipe for the humidifier (61) drain is omitted to simplify the piping system. Can be. Further, the humidification drain can be drained by the drain pump (36), and even if the height of the humidifier (61) itself is low, smooth drainage is possible. The humidifier (61) can be freely installed in the casing (2) without receiving the humidifier.

[Brief description of the drawings]

FIG. 1 is a perspective view of an air conditioner viewed from a front side.

FIG. 2 is a sectional view taken along line EE of FIG. 1;

FIG. 3 is a perspective view of the air conditioner as viewed from the rear side.

FIG. 4 is an enlarged perspective view of a main part of the air conditioner, showing a humidification drainage pipe in an attached state.

FIG. 5 is an exploded perspective view of the air conditioner, showing an attached state of the humidifier.

FIG. 6 is a sectional view taken along line FF of FIG. 1;

FIG. 7 is an explanatory view showing a drain head.

[Explanation of symbols]

 2 Casing 7 Inlet 8 Outlet 18 Sirocco fan 26 Heat exchanger 28 Drain pan 36 Drain pump 61 Humidifier 62 Humidifier main body 67 Humidifier element 74 Insertion port 75 Humidifier drain pipe A Air passage

Claims (1)

(57) [Scope of request for utility model registration] An inlet (7) and outlets (8), (8) are opened in a casing (2), and the inlet (7) and an outlet (8) are provided in the casing (2). ) And (8), an air passage (A) is formed, while the heat exchangers (26) and (26) and the fan (1) are formed.
8), (18) and (18), and a drain pan (28) for collecting drain from the heat exchangers (26) and (26); and a drain pan (28) disposed on the drain pan (28). In the air conditioner provided with a drain pump (36) for draining drain to the outside, the drain pan (28) is provided with heat exchangers (26) and (2).
6) Drain recovery unit (30), (3)
0) and the partition member (32) in the casing (2).
From the air passage (A).
Collecting the drain that has flowed through the collecting section (30), (30)
And the drain pump (36) is disposed on the water collecting section (29).
On the other hand, the casing (2) is provided with an insertion port (7) for the humidifier (61).
4) is opened, and a humidifier (61) is detachably mounted on the outer surface of the casing (2) on the insertion port side, and the humidifier (61) is sandwiched by the air passage (A). Heat exchange
Body (62) arranged at a position facing the exchanger (26 )
A humidifying element (67) facing the air passage (A) in the casing (2) through the insertion opening (74) from the main body (62), and one end connected to the main body (62). The end is the drain pan (2) in the casing (2).
8) An air conditioner comprising: a humidifying drain pipe (75) facing the water collecting section (29) .