JPH09170778A - Indoor unit of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an indoor unit in which an installing time for an air conditioner can be shortened, its finished state can be improved and an expansion of selecting range of an installing position can be realized. SOLUTION: A connecting direction of each of a connecting pipe 9 for connecting an indoor unit 2 to an outdoor device and a drain pipe 11 for discharging drain water condensed and generated at a heat exchanger 5 out of a housing is set to a ceiling surface side 13. Corners of a base frame 3 and a side surface of a front grill 4 in respect to a corner where the ceiling surface 13 and a wall 1 are crossed to each other are indented and then a recess 3a is arranged. With such an arrangement as above, a clearance between the indoor unit 2 and the ceiling surface 13 can be eliminated and the connecting pipe 9 and the drain pipe 11 are also consealed, so that an installed finished state is superior and an installing position of each of the indoor unit and the outdoor device of the air conditioner can be freely selected.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an air conditioner attached to a wall surface or the like.

[0002]

2. Description of the Related Art In recent years, a multi-type air conditioner having one outdoor unit and a plurality of indoor units has been rapidly spread. For this reason, the indoor unit has been required to be attached to any wall surface in the room, the connection pipes can be easily arranged and drained, and the installation work can be shortened and the finished state must be improved.

Conventionally, the indoor units of this type of air conditioner are known as shown in FIGS. 3 and 4.

Here, the indoor unit 2 of the air conditioner attached to the wall 1 is composed of an underframe 3 and a front grill 4, and the underframe 3 has a heat exchanger 5, a water tray 6, a blower 7, The electric motor 8 and the like are incorporated.

The connecting pipe 9 for connecting the heat exchanger 5 of the indoor unit 2 and the outdoor unit has a through hole 1 formed in the wall 1.
It goes through 0 and connects to the outdoor unit. The drain water condensed and generated in the heat exchanger 5 is received by the water receiving tray 6 and drained to the outside by the drain pipe 11.

[0006]

In such a structure,
The through hole 10 is opened in the wall 1 and the connection pipe 9 and the drain pipe 11 are passed through to drain the drain water to the outside of the room, and the connection pipe 9 is connected to the outdoor unit. Since there is a table, the connection pipe 9 needs to be arranged so as to be routed to the outdoor unit along the outer wall 12.
Also, since there are the rims 14 at the corners of the wall 1 and the ceiling surface 13,
A gap g is formed between the ceiling surface 13 and the indoor unit 2.

Therefore, there is a problem that the finished condition of the piping is poor, the wall surface on which the indoor unit is installed is limited, and the installation time is long.

An object of the present invention is to provide an indoor unit of an air conditioner which can increase the installation flexibility of the indoor unit, shorten the installation time and improve the finished state.

[0009]

In order to solve the above-mentioned problems of the conventional example, the indoor unit of the air conditioner of the present invention comprises:
The connection direction of the connection pipe connecting the heat exchanger of the indoor unit and the outdoor unit and the connection direction of the drain pipe for discharging the drain water condensed in the heat exchanger to the outside are set to the ceiling surface side.

Further, when it is attached to the mating portion of the ceiling surface and the wall surface, a notch portion is provided so as not to hit an edge around the side surface of the underframe and the front grill.

[0011]

According to the first or second aspect of the present invention, a connecting pipe connecting the heat exchanger of the indoor unit and the outdoor unit and a drain pipe for draining drain water generated by condensation in the heat exchanger to the outside of the room. By connecting from the ceiling surface side, the connection pipe or the drain pipe can be freely circulated in the ceiling, and the connection pipe or the drain pipe can be drawn to the wall surface on which the outdoor unit is installed.

Further, according to the third aspect of the invention, the indoor unit is attached to the ceiling surface by providing a cutout portion in a part of the side plate of the underframe and the front grill so that the peripheral edge does not hit. Therefore, it is possible to eliminate a gap between the indoor unit and the ceiling surface.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An indoor unit of an air conditioner according to the present invention will be described below with reference to FIGS. It should be noted that parts having the same operations as those of the conventional example shown in FIG. 3 and FIG.

As shown in FIGS. 1 and 2, the indoor unit 2 of the air conditioner is composed of an underframe 3 and a front grill 4, inside which a heat exchanger 5 and a heat exchanger 5 are condensed. A drain pan 6 for receiving the generated drain water, a blower 7 for blowing the wind, and an electric motor 8 for driving the blower 7 are arranged, and a drain pump 15 for draining the drain water condensed by the heat exchanger 5 to the outside of the room. It has.

Connection of a drain pump 15 for connecting a connection pipe 9 for connecting the heat exchanger 5 and the outdoor unit to a pipe connector 16 for connecting to the heat exchanger 5 and a drain pipe 11 for draining drain water to the outside. The tool 17 is fixed to the fixing plate 18, and the connecting direction of the connecting pipe 9 and the drain pipe 11 is on the ceiling surface 13 side.

Further, the underframe 3 and the front grille 4 with respect to the corner where the ceiling surface 13 and the wall 1 intersect so as not to hit the peripheral edge 14 for improving the finish of the corner between the ceiling surface 13 and the wall 1. The corner of the side surface is dented and the notch 3a is provided.

The indoor unit 2 constructed as described above is attached to the wall 1, but before that, the connecting pipe 9 connecting the heat exchanger 5 and the outdoor unit and the drain water condensed and generated in the heat exchanger 5 are generated. A ceiling hole 19 through which a drain pipe 11 for draining the air is passed is opened in the ceiling surface 13, and the heat exchanger 5 connected from the outdoor unit and the connection pipe 9 connecting the outdoor unit and the heat exchanger 5 are condensed and generated. The drain pipe 11 for draining the drain water to the outside of the room is drawn out from the ceiling hole 19 by drawing around the inside 13a of the ceiling.

Next, the indoor unit 2 is attached to the wall in alignment with the ceiling surface 13. The connection pipe 9 that connects the heat exchanger 5 and the outdoor unit is subjected to flare processing, and the pipe connection tool 16 attached to the fixing plate 18 is connected to the connection pipe 9 using a flare nut 20.

The drain pipe 11 for draining the drain water condensed and generated in the heat exchanger 5 to the outside of the room is connected to the connector 17 of the drain pump 15 attached to the fixed plate 18 using an adhesive or the like.

Therefore, the connection pipe 9 connecting the heat exchanger 5 and the outdoor unit and the drain pipe 11 for draining the drain water generated by condensation in the heat exchanger 5 to the outside of the room are installed in the ceiling 1
By pulling 3a and pulling it out from the ceiling hole 19,
Since piping work and drain work can be done from inside the room,
It is possible to improve workability and shorten the installation time.

Further, since the indoor unit 2 and the ceiling surface 13 can be mounted without a gap, there are various advantages such as an improved finished state.

[0022]

As described above, according to the present invention, the drain water condensed and generated in the heat exchanger is driven by driving the connecting pipe or the drain pump that connects the heat exchanger of the indoor unit and the outdoor unit. The connection direction of the drain pipe for draining the outside to the ceiling surface side allows the indoor unit to be installed on any wall surface, and the connection pipe connecting the indoor unit heat exchanger and the outdoor unit is There is no need to pull it along the outer wall to the outdoor unit,
The length of piping is shortened.

Further, the connection direction of the drain pipe for discharging the drain water condensed in the heat exchanger to the outside by driving the connection pipe or the drain pump for connecting the heat exchanger of the indoor unit and the outdoor unit. On the ceiling side, and the corners of the underframe and front grille against the corner where the ceiling surface and the wall meet so that they do not hit the edges that improve the finish of the corner between the ceiling surface and the wall. Dent,
By providing the notch, it is possible to avoid the surrounding edge, it is possible to eliminate the gap between the indoor unit and the ceiling surface, and neither the connecting pipe nor the drain pipe can be seen, so the finished state of installation is good, Since you can freely choose the installation position of the indoor unit and outdoor unit of the air conditioner,
This can greatly contribute to the reduction of the installation time of the air conditioner and the finished state.

[Brief description of the drawings]

FIG. 1 is a side sectional view of an installed state of an indoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which an indoor unit of the air conditioner is installed.

FIG. 3 is a side sectional view of an installed state of an indoor unit of a conventional air conditioner.

FIG. 4 is a perspective view showing a state in which an indoor unit of the air conditioner is installed.

[Explanation of symbols]

 2 Indoor unit 3 Frame 3a Notch 4 Front grill 5 Heat exchanger 6 Water pan 9 Connection piping 11 Drain piping 13 Ceiling surface 13a Ceiling 14 Around edge 15 Drain pump 16 Pipe connector 17 Connector 18 Fixing plate 19 Ceiling Hole 20 flare nut

Claims (3)

[Claims] 1. An air conditioner equipped with a heat exchanger, a blower, an electric motor for driving the blower and a water tray, and a drain pump for discharging drain water generated by condensation in the heat exchanger. In the indoor unit, an indoor unit of an air conditioner, in which a connecting pipe connecting the indoor unit and the outdoor unit is connected to a ceiling surface side. 2. By driving a drain pump,
The indoor unit of an air conditioner according to claim 1, wherein the drain water generated by condensation in the heat exchanger is discharged to the outside of the room in a connecting direction toward the ceiling surface. 3. A notch is provided in a corner of a side surface of an underframe and a front grill with respect to a corner where the ceiling surface and the wall surface intersect so as to be attached to a corner portion between the ceiling surface and the wall surface. An indoor unit of an air conditioner according to Item 1 or 2.