JP2003148770A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner having an outdoor unit which improves the workability such as carriage and installation, and also improves the maintainability by setting the center of gravity of the outdoor unit at the center position of the outdoor unit. SOLUTION: In a machine chamber 8 of the outdoor unit 1, a compressor 22 is disposed close to a partition 5 to divide a heat exchanger chamber 7 from the machine chamber 8, an accumulator 23 is disposed opposite to the partition 5 of the compressor 22, and refrigerant circuit components and refrigerant pipes including a four-way valve 24 and an electrically-driven valve 25 are disposed around a distal side of the accumulator 23. As a result, the position of the center of gravity of the outdoor unit 1 is closer to the center, and the workability such as assembly and maintenance is improved by arranging the inside of the machine chamber 8 into the refrigerant piping system and the electric circuit system.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to organizing an outdoor unit of an air conditioner by arranging parts of the outdoor unit in a machine room, and carrying and arranging the parts in the machine room.
Alternatively, it relates to improvement of workability such as assembly and maintenance.

[0002]

2. Description of the Related Art Up to now, in a machine room of an outdoor unit which is divided into a heat exchanger room and a machine room by a partition plate, the compressor is arranged at a position opposite to the partition plate, An accumulator is arranged near the partition plate side, the compressor and the four-way valve while suppressing vibration of the refrigerant pipe from the accumulator, and the refrigerant pipe is connected to a refrigerant circuit component such as an electric valve to be arranged. Was there.

[0003]

As a result, the center of gravity of the outdoor unit approaches the machine room side, and the weights of the handles provided on the left and right sides of the outdoor unit are different from each other. Refrigerant circuit parts such as four-way valves and electric valves are scattered in the machine room,
Workability such as assembly and maintenance was not good either.

Therefore, an object of the present invention is to arrange the parts arrangement in the machine room of the outdoor unit, place the center of gravity of the outdoor unit at the center of the outdoor unit as much as possible, and carry out the transportation work and the installation work, or It is an object of the present invention to provide an air conditioner characterized by improving workability such as assembly and maintenance.

[0005]

According to a first aspect of the present invention, there is provided a compressor which divides the inside of an outdoor unit into a heat exchanger chamber and a machine chamber by a partition plate and compresses a refrigerant in the machine chamber. ,
A four-way valve that selects the circulation direction of the refrigerant and a motor-operated valve that adjusts the flow rate of the refrigerant are connected by a refrigerant pipe and built in together with some parts of the electrical circuit. In an air conditioner having an outdoor unit provided with an outdoor control unit for controlling the operation of a controlled device such as the compressor, the compressor is placed at a position in front of the partition plate of the machine room. Arrangement, the accumulator is arranged at a position on the front surface on the side away from the partition plate, the compressor and the refrigerant pipe connected to the accumulator, and the refrigerant pipe parts are arranged around the inner position of the accumulator. Then, the compressors are collectively arranged in a space other than the upper space near the partition plate, and a part of the electrical circuit is arranged in the remaining upper space near the partition plate. thing It is an feature.

According to a second aspect of the present invention, in the first aspect, the space in the machine room in which a part of the electrical circuit is disposed is located near the partition plate under the upper and lower partition plates. It is characterized by being a space.

According to a third aspect of the present invention, in the apparatus according to the first or second aspect, a connector is provided on the upper and lower partition plates, and the wiring from the outdoor control section is relayed by the connector to make the machine. It is characterized in that it is arranged and arranged near the partition plate and the upper and lower partition plates of the chamber.

[0008]

DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described below with reference to FIGS.

First, referring to FIG. 1, FIG. 1 divides the inside of an outdoor unit into a heat exchanger chamber and a machine chamber by a partition plate extending in the vertical direction. As a machine room in which a refrigerant circuit component and an arrangement of a refrigerant pipe connecting these refrigerant circuit components and a part of an electric circuit in a space formed by this arrangement are arranged,
1 is a schematic diagram of an embodiment showing the configuration of an outdoor unit including upper and lower partition plates that partition the machine room and the outdoor control unit. For example, for a case, an exterior case 2 that covers the front surface and the top surface.
And an outer case 3 that covers the side surface and the back surface, and a bottom plate 4. A front surface of the outer case 2 is provided with an exhaust port 10 for exhausting heat-exchanged air.
In order to prevent obstacles such as stones from entering the heat exchanger chamber 7 at the back of the outdoor blower 20 and to prevent the rotating outdoor blower 20 from being damaged, and to prevent accidents such as injuries by accidentally inserting fingers or the like, A blowout grill 11 is provided.

A handle 12 for carrying or installing the outdoor unit 1 is provided on the left side surface of the outer case 3, and a refrigerant to the indoor unit fixed to the bottom plate 4 is provided on the right side surface. A notch 13 for exposing a pipe plate 17 for fixing a valve 18 for connecting pipes,
A wiring port 14 for connecting a power supply from the indoor unit and a communication wiring to a terminal plate 29 of the outdoor control unit 9 is provided, and an opening 15 for ventilating the atmosphere to the heat exchanger chamber 7 is provided on the back surface. ing.

A pedestal 16 for supporting the installation of the outdoor unit 1 is provided on the bottom surface of the bottom plate 4 in the vicinity of both longitudinal ends of the bottom plate 4 in a direction orthogonal to this direction. The upper surface mounts the heat exchanger chamber 7 of the outdoor unit 1, the machine room 8, and the outdoor control section 9 above the machine room 8 to support these parts and to support the right side edge portion. Has
A pipe plate 17 for fixing a valve 18 for connecting the refrigerant pipe to the indoor unit is provided.

The inside of the outdoor unit 1 is bent into a shape close to an L-shape, and the sound absorbing material 3 is moved toward the inner wall of the bent portion.
A partition plate 5 to which 7 is attached and extends in the vertical direction is divided into a heat exchanger chamber 7 and a machine chamber 8, and one of the heat exchanger chambers 7
The outdoor blower 20 has one end fixed to the bottom plate 4 and the other end hooked to the outdoor heat exchanger 19.
An outdoor blower angle 21 supporting 0 and an outdoor heat exchanger 19 are mounted on the bottom plate 4 and incorporated therein, and in the other machine room 8, a compressor 22, an accumulator 23, and
A four-way valve 24, an outdoor electric valve 25, and a capillary tube 26 are connected by a refrigerant pipe and placed on the bottom plate 4 to be built therein. A reactor 27, which is a power supply component, is also fixed to the upper part of the partition plate 5. It is built in.

An upper and lower partition plate 6 is attached to the upper part of the machine room 8 so as to cover the top surface of the machine room. On the upper and lower partition plate 6, the operation control of the outdoor unit 1 and the indoor unit are performed. An outdoor electrical equipment box 28 that communicates with the unit, and a terminal board 29 that connects the power supply from the indoor unit and communication wiring
The fuse 31 and the connector 30 for relaying the wiring to the machine room 8 located under the upper and lower partition plates 6 are provided to constitute the outdoor control unit 9.

Next, referring to FIGS. 2 and 3, FIG.
Is a machine room 8 of the outdoor unit 1 of one embodiment according to FIG.
3 is a view showing the machine room 8 and the outdoor control section 9 viewed from the front side with the front exterior case of the outdoor unit 1 removed, and the inside of the outdoor unit 1 is indicated by an L-shape. The heat exchanging chamber 7 is formed by a partition plate 5 that is bent in a shape close to the mold and has a sound absorbing material 43 attached to the inner wall side of the bent portion and extends in the vertical direction.
According to the present invention, a compressor 22 is disposed near the partition plate 5 of the machine room 8 and is divided into the machine room 8 and the machine room 8.
On the other hand, the accumulator 23 is disposed on the side opposite to the partition plate 5, and the other four-way valve 24 and the motor-operated valve 2 are provided.
Refrigerant circuit components such as 5 and the refrigerant pipe are arranged around the back side near the accumulator 23.

Then, the discharge pipe 33 from the compressor 22 is folded back at a lower position above the compressor 22, lowered vertically, and then extended laterally to a position below the four-way valve 24 to vertically extend. The suction pipe 34 extending upward from the upper end of the accumulator 23.
Also, it is folded back downward, and at a position below the accumulator 23, it is bent laterally with a radius substantially matched to the diameter of the cylindrical accumulator 23, extended to the rear of the compressor 22, and raised vertically, and the discharge pipe By connecting 33 and the suction pipe 34 to the four-way valve 24, the discharge pipe 33 is collected behind the compressor 22, the suction pipe 34 is also collected around the accumulator 23, and the partition plate 5 above the compressor 22 is gathered. Secure a cohesive space near the reactor 2 which is a part of the electrical circuit.
7 can be arranged, and a bend for absorbing vibration is provided on the way of extending the compressor 22, the discharge pipe 33 extending from the accumulator 23, and the suction pipe 34, and the bend is provided on the back side of the accumulator 23. Vibrations are suppressed from being transmitted to the refrigerant circuit components such as the four-way valve 24 and the motor-operated valve 25 and the refrigerant pipes.

Further, the four-way valve connected to the compressor 22, the discharge pipe 33 extending from the accumulator 23, and the suction pipe 34 is also fixed to the partition plate 5 by the fixture 32 having a cushioning property. The vibration of the compressor 22 and the like is transmitted to the housing, and the vibration generated by the four-way valve 24 itself is suppressed.

Further, on the upper and lower partition plates provided in the upper part of the machine room 8, the compressor 22 inside the machine room 8 from the outdoor control section 9 is provided.
Alternatively, a connector for relaying the wiring connected to the reactor 27 or the like is provided, and by relaying the connector and arranging the connector near the partition plate 5 and the upper and lower partition plates 6 for connection, the wiring in the machine room 8 is also performed. I'm organizing.

As described above, according to the present invention, the heaviest compressor 22 among the components placed in the machine room 8 of the outdoor unit 1 is arranged near the partition plate 5, so that the center of gravity of the outdoor unit 1 is positioned. Is located as close to the center as possible so that the weights of the handles 12 and 35 provided on the left and right of the outdoor unit 1 are made uniform as much as possible during transportation work and installation work. By arranging the refrigerant piping components arranged in the chamber 8 together, the refrigerant piping system and the electrical equipment system are separated, and the space where a part of the electrical equipment circuit is arranged is compressed as described above. Machine 22
It is secured at a position below the outdoor control section 9 above, and the wiring is also arranged with the wiring close to the partition plate 5 and the upper and lower partition plates 6.

[0019]

From the above description, the compressor for heavy objects is arranged near the partition plate in the machine room of the outdoor unit, the accumulator is arranged on the side opposite to the partition plate of the compressor, and the other four directions are provided. A refrigerant circuit component such as a valve and an electric valve and a refrigerant pipe are arranged around the back side near the accumulator, and the refrigerant pipe components in the machine room are arranged so that the center of gravity of the outdoor unit is located as close to the center as possible. Since it can be placed, the workability of transportation and installation can be improved, and the machine room can be separately arranged into a refrigerant piping system and an electric equipment system, so that workability of assembly and maintenance can also be improved. It will be possible.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a configuration of an outdoor unit in which a controlled device and an outdoor control unit according to the present invention are arranged.

FIG. 2 is a view showing an inside of a machine room of an outdoor unit.

FIG. 3 is a schematic view showing a front surface of the outdoor unit 1 shown in FIG.

[Explanation of symbols]

1 outdoor unit 2 exterior case 3 exterior case 4 Bottom plate 5 partition boards 6 upper and lower partition boards 7 heat exchanger room 8 machine room 9 Outdoor control unit 10 outlet 11 blowout grill 12 Handle (left side) 13 notches 14 Wiring port 15 openings 16 pedestal 17 Piping board 18 valves 19 outdoor heat exchanger 20 outdoor blowers 21 Outdoor blower angle 22 compressor 23 Accumulator 24 four-way valve 25 outdoor electric valve 26 capillary tubes 27 reactors 28 outdoor electrical equipment box 29 terminal board 30 connectors 31 fuse holder 32 fixture 33 Discharge pipe 34 Suction pipe 35 Handle (right side) 36 Protective panel 37 Sound absorbing material

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoshiaki Kaneko             1 Otsuki-cho, Ashikaga City, Tochigi Prefecture Sanyo Electric Air Conditioning             Within the corporation (72) Inventor Yumi Kusama             1 Otsuki-cho, Ashikaga City, Tochigi Prefecture Sanyo Electric Air Conditioning             Within the corporation

Claims (3)

[Claims] 1. A compressor that divides the interior of an outdoor unit into a heat exchanger chamber and a machine chamber by a partition plate, compresses the refrigerant in the machine chamber, a four-way valve that selects the circulation direction of the refrigerant, and the refrigerant. The motorized valve for adjusting the flow rate of is connected by a refrigerant pipe, built in together with some parts of the electrical circuit, above the machine room,
In an air conditioner having an upper and lower partition plate, and an outdoor unit having an outdoor control unit for controlling the operation of a controlled device such as the compressor, the compressor is located near the partition plate of the machine room. Arranged at a position on the front surface, the accumulator is arranged at a position on the front surface on the side distant from the partition plate, and the compressor and the refrigerant pipe connected to the accumulator, and the refrigerant pipe component are positioned at the back of the accumulator. Centered on
The compressor is arranged collectively in a space excluding a space above the partition plate near the partition plate, and a part of the electric circuit is arranged in a space above the partition plate near the partition plate. Air conditioner. 2. The air conditioner according to claim 1, wherein the space inside the machine room in which a part of the electrical circuit is arranged is a space under the upper and lower partition plates and closer to the partition plate. . 3. A connector is provided on the upper and lower partition plates, and the wiring from the outdoor control section is relayed by the connector,
The air conditioner according to claim 1 or 2, wherein the air conditioner is arranged near the partition plate and the upper and lower partition plates of the machine room.