JP2003106570A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner constituting its characteristic feature of improved workability at the time of assembling the air conditioner and a maintenance property and improved silence of the air conditioner having an outdoor unit with a built-in compressor. SOLUTION: It is possible to improve the silence by restraining leakage of driving sound of the compressor generated inside and sound of a refrigerant flowing in a refrigerant piping to the utmost by making a machinery chamber into a box type by providing upper and lower partition plates to cover a top surface of the machinery chamber between the machinery chamber with the built-in compressor and an outdoor control part positioned on an upper part of the machinery chamber, and to improve the workability and the maintenance property by carrying out wiring work at the time of assembly and maintenance only on a front surface of the outdoor unit, by relaying a wiring extending from the outdoor control part to the machinery chamber by providing a relay connector on the front surface side of the upper and lower partition plates.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to sound insulation of an air harmony device incorporating a compressor, and improvement and improvement of workability in assembling and maintaining the air conditioner.

[0002]

2. Description of the Related Art A partition plate extending vertically inside an outdoor unit having a housing is divided into a heat exchanger chamber and a machine chamber, and an outdoor unit is provided at the upper part of the machine chamber for arranging an outdoor controller. In the air conditioner, a minimum control part mounting plate on which control parts can be mounted is provided in the upper part of the machine room,
The control component is disposed on the control unit mounting plate, and the outdoor control unit includes a controlled device such as a compressor built in the machine room and a power supply circuit arranged in the machine room. The wires extending from the parts were directly connected.

Therefore, a thick sound-absorbing material or a vibration-proof material is attached to the parts of the compressor, the refrigerant pipe, etc., which are the sound source of noise, and the back of the exterior case which covers the outdoor unit. Except for this, soundproofing measures were taken for the entire outdoor unit.

Further, since the wiring from the machine room is directly connected to the control parts of the outdoor control section, the length of the wiring extending from the controlled device is long, and the working point for connecting the wiring is the outdoor control section. Were scattered around.

[0005]

However, due to global warming and extreme heat caused by recent abnormal weather, there are more opportunities to keep the air conditioner operating even at night, and it is necessary to make the outdoor unit quieter. In addition, even when the outdoor unit is assembled or maintained, workability of wiring connection and improvement that allows easy confirmation after the work have been desired.

Therefore, it is an object of the present invention to improve workability and maintainability in assembling an air conditioner and to improve noise reduction of an air conditioner having an outdoor unit having a built-in compressor. An object is to provide a characteristic air conditioner.

[0007]

According to a first aspect of the present invention, there is provided a partition plate extending vertically inside an outdoor unit,
It is divided into a heat exchanger room and a machine room, which is built in the machine room together with a compressor and a part of a power supply circuit for controlling the operation of the compressor. In an air conditioner having an outdoor unit provided with an outdoor control section for controlling the operation of a control device, an upper and lower partition plate is provided between the machine room and the outdoor control section, and the machine room has a box shape. Further, the outdoor control section is attached on the upper and lower partition plates, and wiring connecting to the compressor and a part of the power supply circuit is relayed by a connector arranged on the upper and lower partition plates. It is characterized by.

According to a second aspect of the present invention, in the first aspect, the connector is arranged on the upper and lower partition plates near a front edge thereof.

According to a third aspect of the present invention, in the first or second aspect, the front portions of the upper and lower partition plates are in contact with the rear surface of the outer case that constitutes the front surface of the outdoor unit. It is characterized by.

[0010]

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

FIG. 1 shows a machine room in which a compressor according to the present invention is built in a box shape, and is provided with upper and lower partition plates for partitioning a machine room of an outdoor unit in which a connector is arranged near a front edge and an outdoor control section. FIG. 1 is a schematic view showing the configuration of an outdoor unit. For example, the casing is composed of an exterior case 2 that covers the front surface and the top surface, an exterior case 3 that covers both side surfaces and the back surface, and a bottom plate 4. An exhaust port 10 for exhausting the heat-exchanged air is provided on the front surface of the exterior case 2, and an obstacle such as a stone enters the exhaust port 10 at the back of the heat exchanger chamber 7, The blowout grill 11 is provided in order to prevent the rotating outdoor blower 20 from being damaged and to prevent accidents such as injuries caused by accidentally inserting a finger or the like.

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 is supplied to the indoor unit fixed to the bottom plate 4 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 the power supply from the indoor unit and the communication wiring to the terminal board 29 of the outdoor control section 9 is provided, and rainwater is prevented from entering the wiring port 14 and the valve 1 is provided.
Handle 41 for transportation and installation for protection of 8 parts
A protective panel 42 provided with is attached, and an opening 15 for ventilating the atmosphere to the heat exchanger chamber 7 is provided on the back surface.

A pedestal 16 for supporting the installation of the outdoor unit 1 is provided on the lower 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 interior of the outdoor unit 1 is bent into a shape similar to an L-shape, and the sound absorbing material 43 is attached to the surface facing the machine room 8, and further on the back side of the front surface of the exterior case 2. A partition plate 5 having a packing 45 attached to the contacting portion and extending 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 has an outdoor blower 20 and
One end is fixed on the bottom plate 4, and the other end is the outdoor heat exchanger 19.
An outdoor blower angle 21 that supports the outdoor blower 20 that is hooked to the outside, and an outdoor heat exchanger 19 are mounted and built in on the bottom plate 4, and the other machine room 8 is covered with the sound absorbing material 44. The compressed compressor 22 is mounted on the bottom plate 4 via a vibration-proof material, and the compressor 22, the accumulator 23, the four-way valve 24, the outdoor electric valve 25, and the capillary tube 26.
And are connected by a refrigerant pipe and placed on the bottom plate 4 to be incorporated therein, and the reactor 27, which is a power source component, is also fixed to the upper portion of the partition plate 5 and incorporated therein.

The upper and lower partition plates 6 according to the present invention are attached to the upper part of the machine room 8 so as to cover the top surface of the machine room, and the operation control of the outdoor unit 1 is performed on the upper and lower partition plates 6. And an outdoor electrical box 28 for communicating with the indoor unit
, A terminal plate 29 for connecting power and communication wiring from the indoor unit, a fuse 31, and a connector 30 for relaying wiring to the machine room 8 located below the upper and lower partition plates 6.
Is provided to constitute the outdoor control unit 9.

The machine control room 8 is covered with the outdoor control section 9
2 and FIG. 3 will be described in detail with reference to FIG. 2 and FIG. 3, FIG. 2 is a view of the vicinity of the outdoor control unit 9 of the outdoor unit 1 as seen from directly above. The lower part of 2 is the front direction of the outdoor unit 1, and the upper part is
The direction is the back of the outdoor unit 1. Further, FIG. 3 shows a machine room 8 in which the outdoor unit 1 in which wiring work between the machine room 8 and the outdoor control unit 9 is completed is viewed from the front side,
It is a schematic diagram of the outdoor control part 9 vicinity.

First, the shape of the upper and lower partition plates 6 is slanted in the depth from the outdoor heat exchanger 19 provided on the rear side of the outdoor unit 1 to the rear surface of the outer case 2 and on the way to the right side surface of the outer case 3. Although it is bent downward to form an inclined surface, it has a horizontally long rectangle composed of a lateral width extending from the position of the partition plate 5, and its edge is vertically downward on the front side and the left side. Bending part 3 that is bent to give strength
2 and 33, a hole 40 for fixing the upper and lower partition plates 6 together with the outdoor electrical equipment box 28 to the partition plate 5 with screws is provided in the vicinity of the left front surface of the upper and lower partition plates 6, and the rear side is ,
A part of the upper and lower partition plates 6 is cut and raised in order to hook the partition plate 5 to a part of the upper end of the partition plate 5 and position it for attachment. The claw 3 is bent and extended downward.
4 is provided, and the other portion has a bent portion 35 which is bent vertically downward to have strength. When the outer case 2 is attached to the bent portion 32,
A gap between the exterior case 2 and the upper and lower partition plates 6 is filled to prevent dust from entering the outdoor control section 9 from the machine room, and
A packing 39 is attached to improve the sound insulation of the machine room 8.

Further, a right edge portion 36 of a part of an inclined surface bent obliquely downward on the right side of the upper and lower partition plates 6 is further bent downward vertically, and when the outdoor unit 1 is assembled,
It is hooked on the lower end of the wiring port 14 of the outer case 3 and fixed by screwing.

In this way, the upper and lower partition plates 6 are attached so as to cover the entire top surface of the machine room 8, and the machine room 8 includes the bottom plate 4, the exterior cases 2 and 3, and the sound absorbing material 43. The attached partition plate 5 and the upper and lower partition plates 6 form a box shape, and the packing is attached to the front surfaces of the partition plate 5 and the upper and lower partition plates 6 as described above. Sound insulation is improved by filling the gap in the front surface of the outer case 2.

Next, the structure of the outdoor control section 9 will be described. The outdoor electrical equipment box 28 has packings 37 and 38 attached to its top surface and front surface for waterproofing and dustproofing. It is provided on the upper and lower partition plates 6 on the back side of the outdoor unit 1, and in the empty space on the front side of the upper and lower partition plates 6, a number of rectangular holes are provided and built in the machine room 8. A relay connector 30 for wiring connected to the compressor 22, the four-way valve 24, the reactor 27, etc. is attached, and a power supply from the indoor unit and communication wiring are connected to the slope on the right side of the outdoor electrical equipment box 28. A terminal plate 29 with a fuse holder 31 is attached.

A part of the wiring extending from the outdoor electrical equipment box 28 passes through the fuse holder 31 and the terminal board 29.
Other wiring is connected to the compressor 22 and the four-way valve 24 built in the machine room 8 located under the outdoor control section 9 via the relay connector 30 on the upper and lower partition plates 6, It is connected to the reactor 27 and the like.

In other words, one of the electrical equipment boxes 28
Therefore, the wiring extending to the machine room 8 is connected to the relay connector 30, and the wiring extending from the compressor 22, the four-way valve 24, the reactor 27, etc. built in the other machine room 8 is connected to the upper and lower partition plates 6. The connector 41 corresponding to the relay connector 30 provided above is processed, and the connector 41 and
By fitting the relay connector 30, the wiring from the outdoor electrical equipment box 28 is connected to the compressor 22, the four-way valve 24, the reactor 27, etc. built in the machine room 8.

[0023]

As described above, according to the present invention, the machine room of the outdoor unit containing the compressor is constituted by the bottom plate, the outer case, and the partition plate extending in the vertical direction. Is installed so as to cover the top surface of the machine room, and the machine room is configured in a box shape so that the noise generated by the operation of the built-in compressor or the circulation of the refrigerant leaks to the outside of the outdoor unit. It is possible to suppress such a situation as much as possible, and it is possible to further improve quietness.

By relaying the wiring from the outdoor electrical equipment box on the front surface of the upper and lower partition plates, it is possible to complete the work in each block of the outdoor control section and the machine room when the air conditioner is assembled. Also, the wiring work between this outdoor control unit and the machine room is only work on the front of the outdoor unit, improving the workability of assembly and maintenance and the ease of checking after work. It becomes possible.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a configuration of an outdoor unit according to the present invention.

2 is a top view showing an outdoor control unit of the outdoor unit 1 shown in FIG. 1. FIG.

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 18A liquid pipe valve 18B gas pipe valve 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 Bending part (front of the upper and lower partition plate 6) 33 Bent part (left side of upper and lower partition plate 6) 34 nails 35 Bending part (back of upper and lower partition plate 6) 36 Bending part (right side of upper and lower partition plate 6) 37 packing (top surface of outdoor electrical equipment box 28) 38 packing (front of outdoor electrical equipment box 28) 39 packing (front bent portion 32 of upper and lower partition plate 6) 40 screw holes 41 Handle (right side) 42 Protective panel 43 Sound absorbing material 44 Sound absorbing material 45 packing (partition plate 5)

Continued front page    (72) Inventor Yoshiaki Kaneko             1 Otsuki-cho, Ashikaga City, Tochigi Prefecture Sanyo Electric Air Conditioning             Within the corporation (72) Inventor Gen Takada             1 Otsuki-cho, Ashikaga City, Tochigi Prefecture Sanyo Electric Air Conditioning             Within the corporation (72) Inventor Taku Miyauchi             1 Otsuki-cho, Ashikaga City, Tochigi Prefecture Sanyo Electric Air Conditioning             Within the corporation

Claims (3)

[Claims] 1. A partition plate extending in the vertical direction inside the outdoor unit is divided into a heat exchanger room and a machine room, and the machine room is provided with a compressor and a power supply circuit for controlling the operation of the compressor. In an air conditioner that has an outdoor unit that is built in together with some parts and that has an outdoor control unit that controls the operation of the controlled device of the compressor in the upper part of the machine chamber, the mechanical chamber, and the outdoor control unit. Between the two, an upper and lower partition plate is provided to form the machine room into a box shape, and the outdoor control section is attached on the upper and lower partition plates to connect to the compressor and a part of the power circuit. The air conditioner, wherein the wiring is relayed by a connector arranged on the upper and lower partition plates. 2. The air conditioner according to claim 1, wherein the connector is arranged at a position near a front edge of the upper and lower partition plates. 3. The air conditioner according to claim 1, wherein a front portion of the upper and lower partition plates is in contact with a rear surface of an outer case that constitutes a front surface of the outdoor unit.