JP2002130722A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner wherein a drain pump is installed in a small space without an increase of the size of the drain pump, and mounting and de-mounting are facilitated. SOLUTION: A drain pan 78 is extended to one side backward, and a drain pump 20 is disposed on the extended drain pan 7 on a side of an indoor heat exchanger (5) between a cross flow fan 6 and a motor 8 for draining water accumulated on the drain pan. Accordingly, water accumulated on the drain pan is directly sucked up and is discharged. Thus, the need of a water reception pan, which is necessary in prior art, for once accumulating drain water, is not only eliminated, but also the position of the drain water becomes higher than prior art, so that a height of sucking may be made lower to make useable a drain pump with small sucking capability. Therefore, there can be provided an air conditioner without needing increase of the body size and be easy in mounting of the drain pump.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly to an arrangement of a drain pump for forcibly draining drain water accumulated in a drain pan.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 3, in an air conditioner, an indoor heat exchanger is provided in an air passage 4 connecting a suction port 2 provided on an upper front surface and an upper surface of a main body 1 and a blow outlet 3 on a lower front surface. 5
And a cross flow fan 6 for blowing air conditioned by the indoor heat exchanger 5 to the outlet 3. A side plate of the indoor heat exchanger 5 is fixed to a heat exchange fixing device 9 provided on both sides of the indoor heat exchanger 5 and fixing a fan casing 6a for accommodating the cross flow fan 6 inside. A drain pan 7 for storing drain water condensed in the indoor heat exchanger 5 is provided below the indoor heat exchanger 5, and the cross flow fan 6 is driven by a motor 8 connected to one side of the cross flow fan 6. I am trying to be. The drain water stored in the drain pan 7 is connected to a drain hose 10 to a drain port 7a provided behind the drain pan 7, and the drain hose 1
0 is drained naturally to the outside through a hole provided in the wall. In addition, if you can not make a hole in the wall, for example, if you want to drain through a drain hose in the hole provided on the ceiling, forced drainage is necessary, and conventionally, a drain up kit is connected to the drain port provided on the side of the main body The drain water drained from the drain port 7a is supplied to the water receiving tray 30 in the drain up kit.
And then pumped up by a drain pump 20 to form a drain hose 1 connected to the drain pump 20.
0 was forced to drain. However, this configuration not only requires a space for installing the drain-up kit on the side surface of the main body, but also has a problem that the external appearance is not preferable because of the external mounting. Therefore, JP-A-9-145149 discloses that the drain-up kit is provided on one side of the main body.
Drain water drained from a drain port 7a of the drain pan 7 is temporarily stored in a water receiving tray 30 and then drained into a drain pump 20.
Is disclosed. However, in this configuration, in addition to the drain pan 7, the drain pan 7
In addition to the need for a water tray 30 for temporarily storing the drain water drained from the drain port 7a, the water drain tray 30 is disposed at a position lower than the drain pan 7, so that the position of the drain water is lowered, and the pumping force is increased. Large drain pump 20
This not only increases the noise, but also requires a large space for accommodating a large drain pump, and has a problem that the size of the main body must be increased.

[0003]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned problems, and allows a drain pump to be installed in a small space without increasing the size of the drain pump. The purpose is to provide a simple air conditioner.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, a heat exchange fixing device is attached to an air passage connecting an inlet provided on an upper surface of a main body and an outlet provided on a lower surface. An indoor heat exchanger and a cross-flow fan that blows air conditioned by the indoor heat exchanger to the air outlet are disposed, and drain water condensed in the indoor heat exchanger is provided below the indoor heat exchanger. In an air conditioner having a drain pan to be stored and a motor for driving the cross flow fan disposed on one side of the cross flow fan, one side of the drain pan extends sideward and further rearward, and the cross flow The air conditioner is provided with a drain pump for draining drain water accumulated in the drain pan on the extended drain pan on the side of the indoor heat exchanger between a fan and a motor.

[0005] An air conditioner is provided in which a fixture for mounting the drain pump is fixed to a front end of the drain pan.

[0006] An air conditioner is provided in which the drain pump is fixed to the fixture via a vibration-proof rubber.

[0007] An air conditioner is provided in which the drain pump is suspended from the fixture.

[0008] The air conditioner is provided with a mounting portion for mounting a float switch for opening and closing a contact according to the level of drain water accumulated in the drain pan to turn on and off the drain pump.

An air conditioner is provided with a drain hose connected to the drain pump and leading drain water drained by the drain pump to the outside below the shaft of the motor.

[0010] An air conditioner is provided in which the heat exchange fixing device is provided with a rib for restricting contact of the drain hose, which is provided on the periphery of the shaft of the motor, with the shaft of the motor.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an air conditioner according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a side sectional view of an essential part showing an embodiment of an air conditioner according to the present invention, and FIG. 2 is a perspective view of the essential part seen from above. As shown in FIG. 1, a main body 1 is formed of a base 1a arranged on a wall side, an upper panel 1b arranged on an upper front part of the base 1a, and a lower panel 1c arranged on a lower part. . A suction port 2 is provided on an upper surface of the upper panel, and an air outlet 3 is provided on a lower surface of the lower panel 1c. A heat exchange fixing device 9 for fixing both sides of an indoor heat exchanger 5 to be described later is provided upright on the base 1a. Then, both sides thereof are fixed to the heat exchange fixture 9 in an air passage 4 connecting the suction port 2 provided on the upper surface and the air outlet 3 provided on the lower surface, and the indoor heat bent in an inverted V-shape. An exchanger 5 and a cross-flow fan 6 for blowing air conditioned by the indoor heat exchanger 5 to the outlet 3 are arranged. A drain pan 7 for storing drain water condensed in the indoor heat exchanger 5 is provided at a lower portion of the indoor heat exchanger 5, and one side of the drain pan 7 extends to the side, and the rear of the extending portion further extends. Has been extended. A drain port 7a is provided behind the drain pan 7, and a plug 11 is usually provided in the drain port 7a. The plug 11 is removed at the time of installation work for natural drainage, and the drain hose 10 is connected to the drain port 7a instead of the plug 11. The drain water stored in the drain pan 7 is naturally drained to the outside through a hole provided in a wall through the drain hose 10.

A shaft 8a of a motor 8 is connected to the cross flow fan 6, and the motor 8 drives the cross flow fan 6. A contact is opened and closed between the cross flow fan 6 and the motor 8 on the drain pan 7 on one side of the indoor heat exchanger 5 by the drain pump 20 and the level of drain water accumulated in the drain pan 7. Float switch 21 for turning on / off the drain pump 20
Can be arranged. As shown in FIGS. 1 and 2, a mounting screw hole 7b1 is provided at a front end 7b of the drain pan 7, and a mounting tool 22 having the drain pump 20 mounted to the mounting screw hole 7b1 can be fixed with a screw.
The mounting member 22 is formed in a substantially inverted L-shape, and a plurality of vertically separated vibration isolating rubbers 23 are fixed to the lower surface of the upper flat plate portion 22a with screws 40. The drain pump 20 is suspended by mounting a mounting plate 20a provided above the drain pump 20 therebetween, thereby absorbing vibration of the drain pump 20 to prevent noise. Behind this drain pump 20, the same drain pump 2
A drain port 20b that is pumped up and discharged by the air outlet 0 is provided, and a drain hose 10 that is drawn to the ceiling side through the lower side of the shaft 8a of the motor 8 is connected to the drain port 20b. Also, ribs 9a and 9b are provided on the periphery of the shaft 8a of the motor 8 from the side surface of the heat exchange fixing device 9 for fixing the indoor heat exchanger 5, and the ribs 9a and 9b are The drain hose 10 piped below (or above) 8a is restricted so as not to contact the shaft 8a of the motor 8. At one end of the drain pan 7, an attachment portion 7c1 for hanging the float switch 21 is formed integrally with the drain pan 7.

Next, a description will be given of a procedure for mounting the drainage pump 20 and other components for forced drainage in the above configuration. First, for example, a drain hose 10 that is passed through a hole that penetrates outside provided on a ceiling is drawn forward through a lower side of a shaft 8a of the motor 8. Next, the float switch 21
Is fixed to the mounting portion 7b1 with a screw 40, the drain pump 20 is fixed to a mounting member 22 via a vibration-proof rubber 23, and the drain hose 10 is connected to a drain port 20b of the drain pump 20. Next, the fixture 22 to which the drain pump 20 is attached is connected to the front end 7 of the drain pan 7.
b is fixed to the mounting screw hole 7b1 provided in b.

[0014]

As described above, according to the air conditioner according to the present invention, the air conditioner is attached to the heat exchange fixture in the air passage connecting the suction port provided on the upper surface of the main body and the air outlet provided on the lower surface. An indoor heat exchanger and a cross-flow fan for blowing air conditioned by the indoor heat exchanger to the outlet, and drain water condensed in the indoor heat exchanger below the indoor heat exchanger. Equipped with a drain pan for storing
In an air conditioner driven by a motor connected to one side of the cross flow fan, the cross flow fan is mounted on a drain pan on a side of the indoor heat exchanger between the cross flow fan and a motor. A drain pump has been installed to drain the drain water that accumulates in the drain pan.
The drain water that accumulates in the drain pan can be directly pumped up and drained, eliminating the need for the previously required drain pan that once accumulates drain water, and the drain water position is higher than before, so the pumping height is low. It is possible to use a drain pump with a small pumping capacity, and the installation space can be reduced, so that it is not necessary to increase the size of the main body, and it is possible to provide an air conditioner in which the drain pump can be easily mounted. it can.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a main part of an embodiment of an air conditioner according to the present invention.

FIG. 2 is a perspective view of a main part of one embodiment of the air conditioner according to the present invention as viewed from above.

FIG. 3 is a side sectional view showing a main part of a conventional air conditioner.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 1a Base 1b Upper panel 1c Lower panel 2 Inlet 3 Outlet 4 Air passage 5 Indoor heat exchanger 6 Cross flow fan 7 Drain pan 7a Drain port 7b Front end of drain pan 7b1 Mounting screw hole 7c1 Mounting part 8 Motor 8a Motor 8 9 Heat exchange fixture 9a, 9b Rib 10 Drain hose 11 Plug 20 Drain pump 20a Mounting plate 20b Drain 21 Float switch 22 Mounting fixture 22a Upper flat plate 23 Vibration-proof rubber 40 Screw

Claims (7)

[Claims] 1. An indoor heat exchanger mounted on a heat exchange fixture in an air passage connecting an intake port provided on an upper surface of a main body and an air outlet provided on a lower surface thereof, and is harmonized by the indoor heat exchanger. A cross flow fan that blows air to the outlet is arranged, and a drain pan that stores drain water condensed in the indoor heat exchanger is arranged below the indoor heat exchanger,
In an air conditioner having a motor that drives the cross flow fan disposed on one side of the cross flow fan, one side of the drain pan extends sideward and further rearward, between the cross flow fan and the motor. An air conditioner, wherein a drain pump for draining drain water accumulated in the drain pan is provided on the extended drain pan on a side portion of the indoor heat exchanger. 2. The air conditioner according to claim 1, wherein a fixture for mounting the drain pump is fixed to a front end of the drain pan. 3. The air conditioner according to claim 2, wherein the drain pump is fixed to the attachment via a rubber cushion. 4. The air conditioner according to claim 3, wherein the drain pump is suspended from the attachment. 5. The air according to claim 1, wherein a mounting portion for mounting a float switch for turning on and off the drain pump by opening / closing a contact according to the level of drain water accumulated in the drain pan is provided integrally with the drain pan. Harmony machine. 6. A motor according to claim 1, wherein a drain hose connected to the drain pump and for leading drain water drained by the drain pump to the outside is provided below the shaft of the motor. Air conditioner. 7. The heat exchange fixing device according to claim 1, further comprising a rib for restricting a contact of the drain hose, which is provided on a periphery of a shaft of the motor, with the shaft of the motor. Or the air conditioner according to claim 6.