JPH03194335A - Air conditioner - Google Patents

Abstract

PURPOSE:To relax restrictions on the installation conditions of an outdoor machine by erecting a valve support provided with a three-way valve in front of a main body, and providing thereunder a partition plate covering a compressor, and through holes formed in a valve cover by the side of a base frame attached to a bottom plate. CONSTITUTION:A rear plate 24 of an outdoor machine 20 is erected vertically, spaced about 5cm inwardly on the rear side of the machine 20 and a box-shaped valve support 30, to which three-way valves 47, 48 are fixed, is vertically located above and in front of a compressor 29. A refrigerant pipe 49 admitted through a wall hole 55 is guided through a pipe passage 27 between the plate 24 and wall surface 54 and then below and by the side of a base frame 59 of the body 20, whereby the main body 20 is installed in contact with the surface 54. A valve cover 26 is removed and then the pipe 49 is bent upwardly from the inside of the cover 26 at a through hole 57 and is passed above a pipe partition plate 60 covering the compressor 29 on the upper left side of the hole 57 and connected to the valves 47, 48 above the valve support 30.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a piping connection device for an outdoor unit in a multi-room air conditioner.

BACKGROUND OF THE INVENTION In recent years, multi-room air conditioners have begun to be used in large numbers of housing complexes, so-called condominiums, and the configuration of this outdoor unit is shown in FIG. That is, the outdoor unit 1 includes a back panel 2, an outdoor heat exchanger 3 formed in an L shape along the left side surface 2a, a blower 6, and a compressor 6 corresponding to the front panel 4. A valve support 7 is provided on one side of the main body 1 so as to be exposed from the main body 1, and the valve support 7 includes a service boat 8 used for filling refrigerant, etc., and a service boat 8 for allowing the refrigerant to pass through or for stopping the refrigerant. A three-way valve 1 consisting of a regulating boat 9 and a connecting boat 11 for connecting a refrigerant pipe 10 for connecting to an indoor unit (not shown) side.
2 is attached. For example, when such a main body 1 is installed on a balcony 13 of an apartment complex, as shown in FIG.
Partitions 114 adjacent to each other are provided, and the partitions 14
In some cases, one main body 1 and the other main body 1a are hemmed with the two main bodies 1 and 1a in between, and refrigerant pipes 10 and 10a are raised and arranged from each of the main bodies 1 and 1a toward the indoor unit.

At this time, in order to ensure the suction air volume between the partition wall 14 and each main body 1, 1a, that is, between the back panel 2 which serves as the suction port, 10 cIrI or more is definitely required.
It was to be installed with these distances A and B maintained.

Further, the space for construction to connect the three-way valve 12 and the refrigerant pipes 10 and 10a was secured on the side where the three-way valve 12 was installed.

Problems to be Solved by the Invention In such a conventional configuration, as shown in FIG. Since the three-way valve 12.12a is installed in the opposite direction so as not to affect the airflow, the three-way valve 12.12a appears exposed. As a result, the beauty of Efsteria is spoiled. Furthermore, as mentioned above, since the air for heat exchange is sucked in from the left side (28 in FIG. 4) and the rear panel 2, the main bodies 1, 1a are spaced A from obstacles such as the partition wall 14, B must be approximately 10 crn or more, and the construction space for connecting the three-way valve 12.12a and the refrigerant pipes j 0 and 10 a is approximately 10 crn from the three-way valve 12.
m or more, the main bodies 1 and 1a had a problem in that the installation state was restricted.

The present invention solves these problems by improving the aesthetic appearance of Efsteria, relaxing regulations on the installation conditions of the outdoor unit body, and
The purpose is to simplify pipe connection work.

Means for Solving the Problems In order to solve this problem, the present invention comprises a main body including a front panel, a side plate provided with a suction port, and a back plate provided with a suction port, and the main body includes the It is equipped with an L-shaped heat exchanger that corresponds to the side plate and the back plate, and a blower, and a three-way valve that is fixed to a valve support that stands upright in the front of the main body, and a compressor that is installed below the valve support. A through hole is formed in the valve cover next to the partition plate that covers the machine and the base attached to the bottom plate, and the refrigerant pipe leading out from the back side of the main body is drawn into the through hole and The three-way valve is connected to the three-way valve and covered with a valve cover.

Effect With this configuration, the refrigerant piping passes through the piping passage between the back plate and the wall inside the main body, passes under the bottom plate, reenters the main body through the through hole, passes through the piping partition plate, and then passes through the valve support. It is connected to the upper three-way valve and then covered with a valve cover to hide the refrigerant piping.

EXAMPLE An example of the present invention will be described below with reference to FIGS. 1 to 3. The outer frame of the main body 2o of the outdoor unit includes a front panel 22 having an air outlet 21, a left side plate 23 serving as a negative side,
It is composed of a back plate 24 that is erected on the back side and shifted inward by about 6 m, and a valve cover 26 provided on the front panel 22, and the left side plate 23 and the back plate 24 are provided with a valve cover 24 for ventilation, respectively. Suction ports 23a and 24a are provided. A blower 46 and an outdoor heat exchanger 28 formed in an L shape along the inside of the left side plate 23 and the back plate 24 are disposed inside the main body 20.

Further, a ventilation passage 27 through which the piping passes is formed as a ventilation passage having an interval of about 5 m toward the outside of the back plate 24, and a suction port 23a is formed to ventilate the piping passage 27. There is. That is, the outdoor heat exchanger 28 is formed in an L shape and corresponds to the suction ports 23a and 24a. In addition, a compressor 29 is mounted on a bottom plate 68 inside the main body 20, and above and in front of this compressor 29, a valve support 30 having a three-way valve 47, 48 fixed thereon is formed in a box shape and is vertical. It is erected in A through hole 67 through which the refrigerant pipe 49 passes is provided on the front right side of the bottom plate 68, and a partition plate 60 is provided on the upper left side of the valve support 3o and the through hole 67 so as to cover the compressor 29. Furthermore,
A refrigerant pipe 49 passing beside the base 69 is arranged inside the valve cover 26. An electrical equipment box 51 for controlling the main body 20 is provided on the upper part of the valve sabot 30, and a terminal block 52 for inputting and outputting signals from the electrical equipment box to the indoor unit is pulled out onto the valve sabot 30 and attached. The front panel 22 on the front side of the valve sabot 30 is provided with a construction hole 53 for connecting pipes and working during construction, and is normally covered by a valve cover 6.

In the above configuration, when installing the outdoor unit main body 2o, the refrigerant pipe 49 is installed from the room through the wall through hole 66 drilled in the wall surface 54, and the pipe is formed between the back plate 24 and the wall surface 54. The main body 2o is installed so as to be in close contact with the wall surface ε4 while passing through the passage 27 to the side of the base 59 of the main body 20 and below the bottom plate 58. Thereafter, the valve cover 26 is removed, the refrigerant pipe 49 is bent upward from the inside of the valve cover 26 at the through hole 57, and passed over the partition plate 60 of the pipe, and the three-way valve 47 is placed on the valve support 30. 48 and connect it. After checking for leaks, air purging, etc., the VVK signal cable 5 is routed from the indoor side together with the refrigerant pipe 49.
After connecting 6 to the terminal block 62, connect the valve cover 26'Ik
It is attached to the front panel 22. When the product is operated in this installed state, the blower 46 rotates, air is sucked in from the suction port 23δ, some of the air flows toward the back plate 24, and goes around the ventilation path 27, causing heat exchange in the outdoor heat exchanger 28. The air is efficiently blown out from the air outlet 21.

In FIG. 3, the right side customer 42 and the left side customer 43 are installed back to back with respect to the partition wall 44.
The customer 43 on the left has installed refrigerant piping 49 through the piping passage.

As mentioned above, when the refrigerant is embedded in the pipes of apartment buildings, etc.
When installing the main body 20 with
The exposure of the three-way valve is minimized and the exposure of the three-way valve is eliminated.

Effects of the Invention As is clear from the description of the embodiments described above, the present invention provides a valve support with a three-way valve mounted in front of the main body, a partition plate covering the compressor below the valve support, and a bottom plate. The three-way valve of the valve cover has a through hole formed in the valve cover next to the base attached to the body, and a refrigerant pipe led out from the back side of the main body is drawn into the through hole and is installed vertically. Because the refrigerant piping is connected to the compressor, the refrigerant piping is placed inside the valve cover, and it is located below the bottom plate, so there is no need to forcefully route it around the compressor, and there is no need to forcefully route the refrigerant piping around the compressor. Accidents will also be eliminated. Moreover, since the valve cover is hidden from the front, it improves efficiency, eases regulations on installation conditions, and also makes it possible to connect piping on the front side of the main unit, simplifying construction work. It is.

[Brief explanation of drawings]

Fig. 1 is a plan sectional view of an installed state of an outdoor unit of an air conditioner according to an embodiment of the present invention, Figs. 2 and 3 are illustrations of an installation example of the same air conditioner, and Fig. 4 is a diagram of a conventional air conditioner. Cross-sectional view of the outdoor unit,
FIG. 6 is an installation example diagram of the conventional air conditioner. 20...Main body, 22...Front panel,
23...Left side plate, 23a, 24a...
・Suction port, 24...W face plate, 26...
Valve cover, 27... Piping passage, 28...
... Heat exchanger, 30 ... Valve support, 4
6... Blower, 47, 48... Three-way valve, 49... Refrigerant piping, 67... Through hole, 68... Bottom plate, 60...Piping partition plate. Figure 3

Claims (1)

[Claims] A heat exchanger whose main body is composed of a front panel, a side plate provided with a suction port, and a back plate provided with a suction port, and the main body has an L-shape corresponding to the side plate and the back plate. and a blower, a three-way valve fixed to a valve support erected in front of the main body, a partition plate covering the compressor below the valve support, and a partition plate next to a base attached to the bottom plate. The air conditioner has a structure in which a through hole is formed in the valve cover, and a refrigerant pipe led out from the back side of the main body is drawn into the through hole, connected to the three-way valve installed upright, and covered with a valve cover. Machine.