JP3117353B2 - Outdoor unit of air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit for an air conditioner.

[0002]

2. Description of the Related Art FIG. 2 shows an example of an outdoor unit of a conventional separation type air conditioner. The interior of the casing 1 of the outdoor unit is divided into right and left by a partition plate 2, and a machine room 3 is formed on the right side and a heat exchange chamber 4 is formed on the left side.

In the machine room 3, a compressor 5 and a control box 6
The L-shaped heat exchanger 9 is provided in the heat exchange chamber 4.
A blower 10, a motor 14, and the like are provided.

The L-shaped heat exchanger 9 is opposed to an air inlet 11 formed in a rear plate 1a of the housing 1 and an air inlet 12 formed in a left side plate 1b. The blower 10 is disposed so as to face an air outlet 13 formed in the front panel 1c of the housing 1.

[0005] An operation valve bracket 16 is fixed to the base plate 15 so as to be located behind and below the right side plate 1e of the casing 1, and a pair of operation valves 17 and 18 are attached to the operation valve bracket 16. A terminal block 21 for connecting electric wiring for connection is installed on the right outside surface of the control box 6, and is exposed by removing a lid 22 detachably attached to the right side plate 1e of the casing 1. I have.

After the outdoor unit is installed at a predetermined position outside the room, a pair of connecting refrigerant pipes 19 and 20 are connected to the operation valves 17 and 18, and a connecting electric wiring is connected to the terminal block 21. Connected to indoor unit.

When the blower 10 is driven to rotate by the motor 14, outside air is drawn into the heat exchange chamber 4 from the air intakes 11 and 12, and exchanges heat with the refrigerant in the process of flowing through the heat exchanger 9 to raise the temperature. Alternatively, after the temperature is lowered, the air is urged by the blower 10 and discharged from the outlet 13 to the outside.

[0008]

In the above-mentioned conventional outdoor unit, the operation valves 17 and 18 are disposed at the rear of the lower part of the right side plate 1e of the housing 1 and protrude outside the housing 1, so that the operation valves 17 and 18 are not provided. Not only does the installation space increase, but it also hinders the appearance of the outdoor unit.
When connecting 20 to operation valves 17 and 18, there was a problem that the connection work was difficult to perform.

Further, a space for laying a refrigerant pipe connecting the equipment in the refrigerant circuit such as the compressor 5 and the heat exchanger 9 to the operation valves 17 and 18 is provided behind the operation valve bracket 16, that is, the base plate 15. Machine room 3
There is a problem that the installation space of the equipment installed on the base plate 15 in the inside is reduced.

Further, since the terminal block 21 is provided on the right outside surface of the control box 6 and is separated from the operation valves 17 and 18, it takes time to connect the electric wiring for connection with the indoor unit and the refrigerant pipe. There was a problem.

An object of the present invention is to provide an outdoor unit having a small installation space and good appearance. Another object of the present invention is to provide an outdoor unit capable of quickly and easily connecting electric wiring for connection with an indoor unit and connecting a refrigerant pipe. Still another object of the present invention is to increase the installation space for equipment installed on a base plate in a machine room. Yet another object of the present invention is to prevent water that has entered the machine room from opening on the rear plate of the casing from splashing on the terminal block.

[0012]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object, and its gist is to provide a heat exchange room and a machine room by partitioning the inside of a casing with a partition plate. And a heat exchanger, a blower and the like are arranged in the heat exchange chamber, a compressor, a control box and the like are arranged in the machine room, and the control box is connected to an electric wiring for connection with an indoor unit. In an outdoor unit of an air conditioner provided with a terminal block for, an operation valve for connecting a refrigerant pipe for connection with an indoor unit is disposed adjacent to and behind the terminal block in the machine room, An opening for drawing the electric wiring and the refrigerant pipe into the machine room is provided on a rear plate of the casing, and a lid for covering the terminal block and the operation valve is detachably provided on a side plate of the casing. The terminal block is in the outdoor unit of an air conditioner characterized by being formed integrally waterproof partition to shield from the open to.

[0013]

In the present invention, with the lid removed from the side plate, the electric wiring for connection with the indoor unit and the refrigerant pipe are drawn into the machine room from the opening, the electric wiring is connected to the terminal block, and the refrigerant pipe is operated. Connect to valve. After a while
When the lid is attached to the side plate, the terminal block is blocked from the opening by the waterproof partition.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIG. 1, (A) is a schematic cross-sectional plan view of an outdoor unit, (B) is a perspective view taken along the arrow B of (A), and (C) is a perspective view. It is a disassembled perspective view of the principal part. Operating valve 17,
The operation valve bracket 16 to which the 18 is attached is disposed adjacent to the control box 6 in the upper part in the machine room 3.

The operation valve bracket 16 is parallel to the right side plate 1e with a slight space therebetween, and is fixed to the housing 1 or the control box 6 by means not shown. A hole 25 is formed in the operation valve bracket 16 in front of the operation valve 17 at a slight distance from the operation valve 17 so as to be located at approximately the same height as the operation valve 17, and the terminal block 21 projects from the hole 25. .

The rear plate 1a of the casing 1 has refrigerant pipes 19 and 20 connected to the operation valves 17 and 18, and electric wiring connected to the terminal block 21.
An opening 27 is provided for drawing 26 into machine room 3.

Further, operating valves 17 and 18 are provided on the right side plate 1e of the casing 1.
A plastic lid 28 that covers the terminal block 21 is detachably attached, and a waterproof partition is provided on the back of the lid 28.
29 and eaves 30 are projected. The other configuration is the same as that of the conventional one shown in FIG. 2, and corresponding members are denoted by the same reference numerals.

However, when installing the outdoor unit,
With the lid 28 removed from the right side plate 1e, the refrigerant pipe 19,
The refrigerant pipes 19 and 20 are connected to the operation valves 17 and 18, and the electric wiring 26 is connected to the terminal block 21.

Thereafter, when the lid 28 is attached to the right side plate 1e, the operation valves 17, 18 and the terminal block 21 are concealed by the lid 28, and at the same time, the waterproof partition 29 is connected to the terminal block 21 and the operation valve 17,
18 and the eave 29 is located above the terminal block 21, so that the terminal block 21 is opened by the waterproof partition 29 and the eave 30.
Blocked from.

Thus, since the operation valves 17 and 18 are arranged in the machine room 3 and concealed by the lid 28, the appearance of the outdoor unit is improved and the installation space thereof is smaller than that of the conventional one.

The operating valves 17, 18 and the terminal block 21 are adjacent to each other in the upper part of the machine room 3, so that the refrigerant piping 1
9 and 20 and the electric wiring 26 can be easily and quickly connected to the operation valves 17 and 18 and the terminal block 21 by being pulled in through the opening 27 in a comfortable posture.

Since the operation valves 17 and 18 are installed in the upper part of the machine room 3, the installation space of the devices installed on the base plate 15 in the machine room 3 can be expanded.

Further, since the terminal block 21 is shielded from the opening 27 by the waterproof partition 29 and the eaves 30, even if water enters the machine room 3 from the opening 27, it is possible to prevent water from entering the terminal block 21. Corrosion and insulation failure of the table 21 can be prevented beforehand.

[0024]

According to the present invention, since the operation valve is disposed in the machine room and concealed by the lid, the appearance of the outdoor unit is improved and the installation space is smaller than that of the conventional one.

Further, since the operation valve and the terminal block are installed adjacent to each other in the upper part of the machine room, the refrigerant pipe and the electric wiring are drawn in from the opening in an easy posture, so that the operation valve and the terminal block can be easily and quickly inserted into the operation valve and the terminal block. Can be connected to

Since the operating valve is installed in the upper part of the machine room, the installation space for the equipment installed on the base plate in the machine room can be expanded.

Further, since the terminal block is disposed in front of the operation valve and is blocked from the opening by the waterproof partition, even if water enters the machine room from the opening, it is possible to prevent water from entering the terminal block.

[Brief description of the drawings]

FIG. 1 shows one embodiment of the present invention, (A) is a schematic cross-sectional plan view of an outdoor unit, (B) is a perspective view taken along arrow B of (A),
(C) is an exploded perspective view of a main part.

FIG. 2 shows an example of a conventional outdoor unit, wherein (A) is a schematic front view showing a partially cutaway view, (B) is a right side view, and (C)
1 is a schematic cross-sectional plan view.

[Explanation of symbols]

 1 Housing 1a Rear plate 1e Side plate 4 Heat exchange room 3 Machine room 9 Heat exchanger 10 Blower 5 Compressor 6 Control box 21 Terminal block 26 Electrical wiring 17, 18 Operating valve 19, 20 Refrigerant piping 27 Opening 28 Lid 29 Waterproof partition

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-4-236031 (JP, A) JP-A-5-52365 (JP, A) JP-A-3-39834 (JP, A) 17448 (JP, A) Fully open 1987-83116 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24F 5/00 F16B 5/02

Claims (1)

(57) [Claims] 1. A heat exchange chamber and a machine room are formed by partitioning the inside of a casing with a partition plate, and a heat exchanger, a blower and the like are arranged in the heat exchange chamber, and a compressor and a control box are provided in the machine room. In the outdoor unit of the air conditioner, which is provided with a terminal block for connecting the electric wiring for connection with the indoor unit to the control box, for connecting the refrigerant pipe for connection with the indoor unit. An operation valve is disposed adjacent to and behind the terminal block in the machine room, and an opening for drawing the electric wiring and the refrigerant pipe into the machine room is provided in a rear plate of the casing, and the terminal block is provided. An outdoor unit for an air conditioner, wherein a lid for covering the operation valve is detachably provided on a side plate of the housing, and a waterproof partition for shielding the terminal block from the opening is integrally formed on the lid. .