JPH02118347A - Outdoor unit of air conditioner - Google Patents

Abstract

PURPOSE:To install an outdoor unit into a waist-high wall near the window of a building by a method wherein a drain pan is connected with a drain piping before installing a main body of the outdoor unit and after it, the main body is installed and further/afterwards, the drain pan is fixed to a lower surface of the main body. CONSTITUTION:A drain pipe 29 is installed in a drain pan 9, and the drain pan 9 is temporarily installed at a position where a drain hole 7a placed at a central part of a main body 1 of an outdoor unit is positioned. Afterwards, the main body 1 of the outdoor unit is inserted into an pericounter 22, fixed and installed by fixing legs 17 and 18 to an installing block 25. Further afterwards, a drain pan 9 which is temporarily installed is supported at bottom portions of the right and left two metal fittings 19, its one side plate 19a is hooked to a flange part 7d of a base plate 7 and the other side plate 19b is fixed by screws to a front surface side flange, held and fixed to the base plate 7. In this case, there is a space between a lower surface of the main body 1 of the outdoor unit and a lower end 24a of an opening 24 of the pericounter 22 and a hand of a worker enters the space when the fixing operation is carried out.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an outdoor unit of an air conditioner, and particularly relates to an outdoor unit of a wall-embedded air conditioner.

[Prior Art] FIG. 5 and FIG. 6 are a schematic longitudinal sectional plan view and an exploded perspective view of the lower part of a conventional outdoor unit disclosed in, for example, Japanese Utility Model Publication No. 61-5559.

In FIGS. 5 and 6, reference numeral 1 designates the outdoor unit body of the air conditioner, which is constructed by disposing a heat exchanger 3, a blower 4, etc. within an exterior body 2. The heat exchanger 3 is formed into a so-called plate fin type by attaching a large number of fins vertically and crosswise to a refrigerant tube bent in a meandering manner, and tube plates 5 and 6 are provided facing each other on both sides. Install the tube plate between 5.
6 is disposed on the base plate 7 by standing it upright on the support portion of the base plate 7 either directly or via a suitable support. The above-mentioned stand Fi7 forms a notch-shaped open part 8 that opens the lower facing part of the heat exchanger 3 to the outside, and a container-shaped drain pan 9 opened at the top surface is attached to and detached from the open part 8 exposed to the installation floor. Support equipment is available.

Therefore, drain pans 9 are provided on both sides 8a and 8b of the open portion 8.
A support piece 10° 11 is placed on the connecting side 8c so as to be able to slide freely on both ends of the drain pan 9.
2 are formed by bending or cutting and raising the base plate 7 or its reinforcing legs 13 at appropriate locations.

14 is an open part 8 between the front ends of both sides 8a and 8b.
A blocking plate is removably installed with screws 15 so as to close the front opening of the opening, and is installed in contact with or close to the drain pan 9 disposed in the open portion 8. The upper end is further extended upward to form a rising side 14a that locks the lower part of the guard 16, which is formed by forming wire rods covered on the outer surface of the heat exchanger 3 into a so-called lattice shape. .

Furthermore, left and right mounting legs 17 and 18 are provided at the lower end of the main body 1, such as the base plate 7, to be fixed to the building side.

Next, the operation of the outdoor unit configured as above will be explained. This outdoor unit is provided with an open part 8 that communicates with the installation surface of the main body 1 in a part of the base plate 7 of the outdoor unit main body 1, and a heat exchanger 3 is installed above this open part 8, and Part 8
is equipped with a drain pan 9 that is attached to receive the condensate dripping from the heat exchanger 3 and removed when draining the condensate dripping from the heat exchanger 3 onto the installation surface of the main body 1. It is removable.

Then, after connecting the drain pipe to the drain pan 9 alone, bringing the outdoor unit main body 1 and assembling the drain pan 9 into the main body 1, it may be difficult to align the position in relation to the installation base leg fixing bolts. become.

Therefore, when drain piping is performed using the drain pan 9, the main body 1 is usually installed with the drain pan 9 assembled and fixed in the main body 1, and then the piping work is performed.

[Problem to be solved by the invention] Since the conventional outdoor unit of an air conditioner is configured as described above, even if the drain pan is removable, it is necessary to install the drain pan in advance when installing the main body of the outdoor unit. Since the outdoor unit must be installed in a wall-embedded type in a narrow space, drain piping work is extremely difficult.

This invention was made in order to solve the above-mentioned problems, and its purpose is to provide an outdoor unit for an air conditioner that is recessed into the wall and allows drain piping to be easily installed even in a narrow installation space. There is.

[Means for Solving the Problems] In the outdoor unit of an air conditioner according to the present invention, a drain hole is provided in the base plate of the outdoor unit main body, and a drain pan connected to the drain pipe on the building side is provided on the bottom surface of the base plate. When installed, the drain hole is covered by the drain pan.

[Function] The outdoor unit of the present invention connects the drain pan to the drain pipe before installing the outdoor unit main body, then installs the main body, and then attaches the drain pan to the bottom of the main body, so that the outdoor unit can be installed in the building. Can be installed inside a waist wall near a window.

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

In FIGS. 1 to 3, the same reference numerals as in FIGS. 5 and 6 indicate the same or corresponding parts. Heat exchanger 3 inside
The base plate 7 of the outdoor unit main body 1, which is arranged at an angle, is partially provided with an air suction lower c, and is formed into a rectangular dish shape with four raised sides. Drain receiving grooves 7b are formed facing each other downward, and a drain hole 7a is bored in the center of the receiving groove 7b in the left-right direction. Drain hole 7
The drain pan 9 is fixed to the lower surface of the base plate 7 by a mounting bracket 19 while covering the base plate 7a. The mounting bracket 19 is
The cross section is almost U-shaped, and one side plate 19a is bent inward at an acute angle from the upper end and hooked on the flange 7d formed by the burring of the air suction lower c of the base plate 7, and the other side plate 19b is bent inward from the upper end. It is configured to be fixed to the front flange of 7 with screws. A drain socket 9a protrudes from the lower center of the drain pan 9, and a drain pipe 29 is connected to the drain socket 9a using an elbow 20 or the like. In addition, the structure of the outdoor unit according to this embodiment other than the above-mentioned structure is the waist wall provided under the window, that is, the peri-counter as shown in FIG. A box-shaped entrance opening 24 is provided on the front side of the pericounter 22, and a fireproof door 26 is installed as a cover for this opening 24. Lower end 24 of the opening 24
A is located one step higher than the floor 23. Inside Veri Counter 22 is on the left.

The right installation stand 25 is attached to the floor 23, and the left and right installation stands 2
A drain pan 9 is arranged in the middle of the drain pan 5.

Next, installation of the outdoor unit of this embodiment will be explained.

Install the drain pipe 29 to the drain pan 9, and
Temporarily place it at the position where the drain hole 7a in the center of the outdoor unit main body 1 is assumed to be located. After that, the outdoor unit main body 1
is inserted into the inside of the pericounter 22 and fixed and installed on the installation stand 25 with the installation legs 17 and 18. Furthermore, after that, the temporarily placed drain pan 9 is supported on the bottom of the two left and right mounting brackets 19, its negative side plate 19a is hooked onto the flange portion 7d of the base plate 7, and the other side plate 19b is screwed onto the front side flange. It is stopped and held and fixed to the base plate 7. In this case,
There is a space between the lower surface of the outdoor unit main body l and the lower end 24a of the opening 24 of the peri-counter 22, into which the operator's hands can enter during installation work.

According to the present invention, a heater 30 can be incorporated inside the drain pan 9, as shown in FIG.

Generally, the frost adhering to the heat exchanger is defrosted periodically and the condensate is allowed to flow into the drain pipe, but in cold regions there is a risk of freezing in the middle of the drain pipe. In the case of this cold region, as described above, a heater can be incorporated into the drain pan 9 to increase the enthalpy of drain water so that it does not freeze in the middle of the drain pipe. The heater capacity shown in FIG. 4 can be selected depending on the region, and installation is easy.

As described above, in the outdoor units of the above embodiments including the one shown in FIG.
The adjustment can be made by simply shifting the relative position of the drain pan 9 and the outdoor unit, and the outdoor unit can be easily installed inside the pericounter 22 of the building.

[Effects of the Invention] As explained above, according to the present invention, the drain pan is provided below the outdoor unit, and the drain hole provided in the base plate of the outdoor unit main body is covered by the drain pan, so that installation of the outdoor unit main body is simplified. By being able to fix the drain pan to this main body later,
This has the effect of providing an outdoor unit of an air conditioner that allows easy and reliable piping work even when installed in a wall-embedded location with a small work space.

[Brief explanation of drawings]

FIG. 1 is a front view showing the installed state of the outdoor unit of an air conditioner according to an embodiment of the present invention, FIG. 2 is an enlarged cross-sectional side view of the main parts, and FIG. A perspective view, FIG. 4 is a perspective view of a drain pan according to another embodiment of the present invention, FIG.
The figure is a schematic longitudinal sectional plan view of a conventional outdoor unit, and FIG. 6 is an exploded perspective view of the lower part thereof. DESCRIPTION OF SYMBOLS 1... Outdoor unit body, 3... Heat exchanger, 7... Base plate, 7a... Drain hole, 7b... Drain groove, 9 River drain pan, 19... Mounting bracket, 22... ...Peri counter, 23...Floor surface, 25...Fixed stand, 26...Fireproof door. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Claims] This is an outdoor unit of a wall-embedded air conditioner, in which a drain hole is provided in the base plate of the outdoor unit body, a drain pan connected to the drain piping on the building side is attached to the lower surface of the base plate, and the drain pan is used to An outdoor unit of an air conditioner characterized by a covered drain hole.