JPH0849883A - Outdoor device of air-conditioner - Google Patents

Abstract

PURPOSE:To provide an outdoor device of an air-conditioner capable of performing an effective restriction of vibration of a compressor, effective prevention of damage of a refrigerant pipe, simplifying a pipe shape of the refrigerant pipe connected to the compressor and attaining a compact size. CONSTITUTION:An outdoor device of an air conditioner is provided with a machine chamber 14 partitioned by a partition plate 12 in an outdoor device casing 10. The outdoor device of the air conditioner is provided with a compressor 16 in the machine chamber 14. It is also provided with a vibration restricting member 21 arranged in the machine chamber 14 so as to be engaged with and support the upper part of the compressor 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of a split type air conditioner, and more particularly to an outdoor unit of an air conditioner having a vibration damping structure for suppressing vibration of a compressor.

[0002]

2. Description of the Related Art A split type air conditioner of this type is divided into an outdoor unit having a built-in compressor and an indoor unit for heating and cooling the room. The outdoor unit and the indoor unit are connected by an indoor / outdoor connecting pipe. While configuring a refrigeration cycle by using a compressor, an outdoor fan, a four-way valve, etc. installed in an outdoor unit are connected by a communication cable such as a power supply line and an indoor / outdoor signal line so that the indoor unit can operate. .

Since the outdoor unit of an air conditioner is installed outdoors, it is necessary to consider the surrounding environment. Based on this requirement, the outdoor unit is provided with various noise prevention measures to prevent noise generation. Great care is taken.

On the other hand, in the outdoor unit of the air conditioner, the inside of the outdoor unit casing is partitioned by a partition plate to be divided into a blower room and a machine room. An outdoor fan and a heat exchanger are installed in the blower room, while a compressor and a four-way valve are installed in the machine room. The compressor is erected and fixed on the floor surface (bottom surface) of the machine room via a plurality of mounting legs.

[0005]

In the conventional outdoor unit for an air conditioner, the lower end portion of the compressor is installed in the machine room of the outdoor unit casing, but the upper portion of this compressor has a support-free structure. Vibration of the compressor is likely to occur during transportation of the outdoor unit or operation of the compressor.

When the vibration of the compressor occurs, the vibration of the compressor may vibrate other functional parts such as the four-way valve through the refrigerant pipe, and the repeated vibration stress causes fatigue cracks in the refrigerant pipe made of copper. May occur. Therefore, it absorbs the vibration stress caused by the vibration of the compressor, the refrigerant pipe is wound in a loop for the purpose of reducing this vibration stress,
The piping length is made sufficient to reduce piping stress.

If the outdoor unit of the air conditioner is configured so that the refrigerant pipe connecting the compressor to the functional parts is bent in a complicated loop shape and the pipe length is sufficiently long, the loop-shaped refrigerant pipe is provided inside the outdoor unit. Space is required, which leads to an increase in the size of the outdoor unit, which hinders the compactness of the outdoor unit.In addition, it is not possible to connect functional parts in the shortest distance, which causes an increase in cost and refrigerant pipes. However, there was a problem in effectively and efficiently exerting the refrigerating capacity.

The present invention has been made in consideration of the above-mentioned circumstances, and effectively suppresses the vibration of the compressor to prevent the damage of the refrigerant pipe before and effectively, while being connected to the compressor. An object of the present invention is to provide an outdoor unit for an air conditioner in which the refrigerant pipe has a simple pipe shape and can be made compact.

Another object of the present invention is to simplify the pipe shape of the refrigerant pipe connected from the compressor to the functional parts and to shorten the length of the pipe to improve the flexibility of the pipe, to make it compact and to reduce the cost. An outdoor unit of an air conditioner capable of achieving the above.

[0010]

An outdoor unit for an air conditioner according to the present invention is provided in order to solve the above-mentioned problems.
As described above, a machine room partitioned by a partition plate is provided in the outdoor unit casing, and in an outdoor unit of an air conditioner in which a compressor is installed in the machine room, the machine room is provided with the compressor, and A vibration damping member that engages and supports the upper portion is provided.

In order to solve the above-mentioned problems, the outdoor unit for an air conditioner according to the present invention has a connection valve for indoor and outdoor crossover piping fixed to the damping member as described in claim 2. Alternatively, as described in claim 3, a cable clamp for fixing a communication cable such as a power supply line or an indoor / outdoor signal line is provided on the vibration damping member.

On the other hand, in order to solve the above-mentioned problems, in the outdoor unit of the air conditioner according to the present invention, as described in claim 4, the damping member covers the compressor installed in the machine room. The vibration damping plate is provided with a soundproof material on the compressor side of the vibration damping plate. Further, as described in claim 5, the vibration damping member is composed of a vibration damping plate having a substantially L-shaped cross section. One end of this damping plate is fixed to the bottom plate and the partition plate, and the damping plate supports the upper part of the compressor.

[0013]

In the outdoor unit for an air conditioner according to the first aspect of the present invention, since the upper part of the compressor installed in the machine room is engaged and supported by the vibration damping member, the compressor is stable in the machine room. It is supported, vibration of the compressor can be suppressed, and damage to the refrigerant pipe due to vibration can be prevented effectively in advance. Also,
The refrigerant pipes connected to the functional parts can be configured in a simple and simple pipe shape without forming a complicated loop shape, and the functional parts can be connected in the shortest time. The degree of freedom of piping can be improved, and the outdoor unit as a whole can be made compact and low cost.

In the outdoor unit for an air conditioner according to a second aspect of the present invention, the compressor installed in the machine room is supported by the damping member, and the connecting valve for the indoor / outdoor crossover pipe is fixed to the damping member. Therefore, an independent part is not required for attaching the connecting valve, and the economical efficiency can be improved.

In the outdoor unit for an air conditioner according to a third aspect of the present invention, the damping member is provided with a cable clamp for fixing a communication cable such as a power supply line. It is possible to guide the communication cable away from, and it is possible to effectively prevent the adverse effect due to the high temperature of the communication cable.

In the outdoor unit for an air conditioner according to a fourth aspect of the present invention, the damping plate is constituted by the damping plate covering the compressor, and the compressor side of the damping plate is provided with the soundproofing material, so that it is in operation. It is possible to absorb and insulate the operating noise emitted by the compressor.

In the outdoor unit for an air conditioner according to a fifth aspect, the damping member is constituted by a damping plate having a substantially L-shaped cross section,
Since one side of this damping plate is fixed to the bottom plate and the partition plate respectively, and the upper part of the compressor is supported by the damping plate, both sides of the upper and lower parts of the compressor are stably supported and vibration is effectively generated. Therefore, the refrigerant pipe can be effectively prevented from being damaged.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an air conditioner outdoor unit according to the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows an outdoor unit of a split type air conditioner, and reference numeral 10 in the figure denotes an outdoor unit casing of the outdoor unit installed outdoors. The unit casing 10 is installed outdoors via a plurality of installation legs 11. The inside of the unit casing 10 is divided into a blower chamber 13 and a machine chamber 14 by a partition plate 12.

In the blower chamber 13, an outdoor blower 15 and an outdoor heat exchanger (not shown) are housed and installed, while in the machine room 14, a vertical compressor 16 and a four-way valve (not shown) are installed, and the machine room is installed. An electric component 17 is provided on the upper portion of 14.

The compressor 17 is a floor surface (bottom surface) 1 of the machine room 14.
8 is fixed via a plurality of mounting legs 19, and the upper portion of the compressor 17 has an airtight casing 20 engaged and supported by a damping plate 21 as a damping member.
It suppresses run-out during operation and transportation of outdoor units. Damper 2
1 is a metal plate and a resin plate which are superposed in a sandwich structure and integrated, and is configured as a plate-shaped composite superposition integrated structure in which a resonance phenomenon hardly occurs.

The damping plate 21 is formed into a substantially L-shaped cross section. One end of the damping plate 21 is fixed to the partition plate 12 by welding or screwing, and the lower end of the damping plate 21 is located in the machine room 14. It is fixed on the floor. The vibration damping plate 21 presses and supports the upper portion of the compressor 16 different from the compressor installation portion (bottom portion) by the flat plate portion 21a to prevent the vibration of the compressor 16 and suppress the vibration.
The damping plate 21 may be detachably attached. Damping plate 21
The side surface of the compressor 16 may be restrained by the side plate portion 21b.

Specifically, the lower part of the compressor 16 is placed on the floor surface 18
The compressor 16 is fixed so that its center of gravity G is sandwiched from above and below by supporting the upper part of the compressor 16 with the flat plate portion 21a of the vibration damping plate 21, and the vibration of the compressor 16 during operation or transportation is suppressed. Suppressed.

At this time, the partition plate 12 and the floor plate may be constituted by a vibration damping plate so that the partition plate 12 and the floor plate have a vibration damping action.

The outdoor unit of the air conditioner is connected to an indoor unit (not shown) via an indoor / outdoor crossover pipe 23 (see FIG. 2) to form a refrigeration cycle for circulating a refrigerant. On the other hand, the outdoor unit is connected to the indoor unit side via a communication cable such as a power supply line or an indoor / outdoor signal line, and from the power supply line to the compressor 16, the blower 15, or the electric component 17 housed in the outdoor unit. A power supply voltage is supplied, and a control signal is sent to the compressor 16 or the like via an indoor / outdoor signal line.

Next, the operation of the outdoor unit of the air conditioner will be described.

In the outdoor unit of this air conditioner, the outdoor unit casing 10 is partitioned by the partition plate 12 into the blower chamber 13 and the machine chamber 14, while the upper part of the compressor 16 fixed to the machine chamber 14 is provided with a damping plate 21. Is supported by. Damper 2
1 supports the upper portion of the compressor 16 by pressing, and the upper and lower sides of the compressor 16 are stably supported. Therefore, vibration of the compressor 16 during operation of the compressor 16 or transportation of the outdoor unit is effectively suppressed. be able to.

Since the vibration of the compressor 16 can be suppressed by the vibration damping plate 21, the copper refrigerant pipe connecting the compressor 16 to the functional parts such as the four-way valve has a complicated loop shape for absorbing the vibration stress. There is no need to mold, and a simple and simple piping shape can be achieved. Therefore, a space for accommodating the loop-shaped refrigerant pipe is not required in the outdoor unit, the functional components can be connected with the simple refrigerant pipe in the shortest time, and the outdoor unit as a whole can be made compact and the cost can be reduced.

FIG. 2 shows a second embodiment of the outdoor unit of the air conditioner.

Since the overall construction of the outdoor unit shown in this embodiment is not different from that shown in FIG. 1, the same reference numerals are given and description thereof is omitted. This outdoor unit is an outdoor unit case 10
While the upper part of the compressor 16 installed in the machine room 14 is supported by abutting the flat plate (top plate) portion 21a of the damping plate 21 as a damping member, the damping plate 21 having a substantially L-shaped cross section. The connection valve 24 of the indoor / outdoor crossover pipe 23 is fixed to the side plate portion 21a of the above, and the indoor / outdoor crossover pipe 23 is held by this connection valve 24.

In this case, the connection valve 24 of the indoor / outdoor crossover pipe 23 can be fixed to the damping plate 21, and the damping plate 21 can be used as a valve mounting member, so that an independent valve mounting member is unnecessary. The connection valve 24 can be mounted without increasing the number of parts, which is economical.

FIG. 3 shows an outdoor unit for an air conditioner according to a third embodiment of the present invention.

The outdoor unit shown in this embodiment also has the same overall structure as that shown in FIG. In this outdoor unit, an upper portion of a compressor 16 installed in a machine room 14 of an outdoor unit case 10 is supported by a flat plate portion 21a of a vibration damping plate as a vibration damping member via an elastic body 25 such as a rubber member or a sponge member. On the other hand, a cable clamp 26 is attached to the side plate portion 21b of the damping plate 21, and a flexible connecting cable 27 such as a power supply line connecting the indoor unit and the outdoor unit or an indoor / outdoor signal line is attached to the cable clamp 26. It was held.

By holding the communication cable 27 such as the power supply line and the indoor / outdoor signal line with the cable clamp 26 fixed to the side plate portion 21b of the damping plate 21, the communication cable 2
7 can be reliably separated from the refrigerant pipe that becomes high temperature, and the high temperature of the communication cable 27 can be prevented before and effectively.

FIG. 4 shows an outdoor unit for an air conditioner according to a fourth embodiment of the present invention.

Since the outdoor unit shown in this embodiment does not differ from the outdoor unit shown in FIG. 1 in its overall structure, the same reference numerals are given and the description thereof will be omitted. In this outdoor unit, an upper part of a compressor 16 installed in a machine room 14 of an outdoor unit case 10 is supported by a damping plate 21 in contact with the upper part thereof.

The damping plate 21 is formed into a substantially L-shaped cross section,
The compressor 16 is surrounded and covered by the flat plate portion 21a, the side plate portion 21b, and the partition plate 12 of the vibration damping plate 21. A soundproof material 28 is lined and provided inside the damping plate 21. The soundproof material 28 may be lined on the partition plate 12 side. The soundproof material 28 is formed by processing a material having excellent sound absorbing properties such as a resin material such as sponge or foamed resin or a fiber material such as cloth into a plate shape and lining it.

By providing the soundproof material 28 inside the vibration damping plate 21, it is possible to absorb the operation sound generated by the compressor during operation and to insulate the sound.

FIG. 5 shows an outdoor unit for an air conditioner according to a fifth embodiment of the present invention.

Since the outdoor unit shown in this embodiment does not differ from that shown in FIG. 1 in its overall structure, the same reference numerals are given and the description thereof will be omitted. The outdoor unit of this embodiment has a cross section of approximately L.
The V-shaped damping plate 21 has a support hole 29 formed in the flat plate portion 21a thereof, and the support hole 29 is fitted to and supported by the upper portion of the compressor 16. The compressor 16 is installed and fixed in the machine room 14 of the outdoor unit case 10 via mounting legs 19.

Although one embodiment of the present invention shows an example in which the upper part of the hermetic casing of the compressor is supported by the damping plate,
Instead of the damping plate, a steel pipe or a frame member may be molded to form a damping member, and the damping member may support the compressor at a position different from the installation site. In this case,
Since the degree of freedom in attaching the refrigerant pipes is further improved, the degree of freedom in fitting the pipes can be further improved.

[0042]

As described above, in the outdoor unit for an air conditioner according to claim 1 of the present invention, the upper part of the compressor installed in the machine room is engaged and supported by the damping member. Therefore, the compressor is stably supported in the machine chamber, the vibration of the compressor can be suppressed, and the damage of the refrigerant pipe due to the vibration can be prevented before and effectively. In addition, the refrigerant pipe connected to the functional parts can be configured in a simple and simple pipe shape without forming a complicated loop shape, and the functional parts can be connected in the shortest time. By making the length short, it is possible to improve the degree of freedom of piping, and it is possible to reduce the size and cost of the outdoor unit as a whole.

In the outdoor unit for an air conditioner according to a second aspect of the present invention, the compressor installed in the machine room is supported by the damping member, and the connecting valve for the indoor / outdoor crossover pipe is fixed to the damping member. Therefore, an independent part is not required for attaching the connecting valve, and the economical efficiency can be improved.

In the outdoor unit for an air conditioner according to a third aspect of the present invention, the damping member is provided with a cable clamp for fixing a communication cable such as a power supply line. It is possible to guide the communication cable away from, and it is possible to effectively prevent the adverse effect due to the high temperature of the communication cable.

In the outdoor unit for an air conditioner according to a fourth aspect of the present invention, the damping plate is constituted by the damping plate covering the compressor, and the compressor side of the damping plate is provided with the soundproofing material, so that it is in operation. It is possible to absorb and insulate the operating noise emitted by the compressor.

In the outdoor unit for an air conditioner according to a fifth aspect, the damping member is constituted by a damping plate having a substantially L-shaped cross section,
Since one side of this damping plate is fixed to the bottom plate and the partition plate respectively, and the upper part of the compressor is supported by the damping plate, both sides of the upper and lower parts of the compressor are stably supported and vibration is effectively generated. Therefore, the refrigerant pipe can be effectively prevented from being damaged.

[Brief description of drawings]

FIG. 1 is a diagram showing a first embodiment of an outdoor unit of an air conditioner according to the present invention.

FIG. 2 is a diagram partially showing a main part of a second embodiment of an outdoor unit for an air conditioner according to the present invention.

FIG. 3 is a diagram partially showing a main part of an outdoor unit for an air conditioner according to a third embodiment of the present invention.

FIG. 4 is a diagram partially showing a main part of an outdoor unit for an air conditioner according to a fourth embodiment of the present invention.

FIG. 5 is a view partially showing a main part of an outdoor unit for an air conditioner according to a fifth embodiment of the present invention.

[Explanation of symbols]

 10 Outdoor Unit Case 12 Partition Plate 13 Blower Room 14 Machine Room 15 Blower 16 Compressor 17 Electrical Parts 18 Floor Surface 19 Mounting Leg 20 Sealing Casing 21 Damping Plate (Damping Member) 23 Indoor / Outdoor Piping 24 Connection Valve 25 Elastic Material 26 Cable Clamp 27 Communication Cable (Power Supply Line, Indoor / Outdoor Signal Line) 28 Soundproofing Material

Claims (5)

[Claims] 1. An outdoor unit of an air conditioner in which a machine room partitioned by a partition plate is provided in an outdoor unit casing, and a compressor is installed in the machine room, the machine room being provided in the machine room.
An outdoor unit for an air conditioner, comprising: a vibration damping member that engages and supports an upper portion of the compressor. 2. The outdoor unit for an air conditioner according to claim 1, wherein a connection valve for connecting indoor and outdoor pipes is fixed to the damping member. 3. The outdoor unit for an air conditioner according to claim 1, wherein the damping member is provided with a cable clamp for fixing a communication cable such as a power supply line or an indoor / outdoor signal line. 4. The air conditioner according to claim 1, wherein the damping member is composed of a damping plate that covers the compressor installed in the machine room, and a soundproof material is provided on the compressor side of the damping plate. Outdoor unit. 5. The damping member is composed of a damping plate having an L-shaped cross section, and one end side of this damping plate is fixed to a bottom plate and a partition plate, and the damping plate supports the upper part of the compressor. The outdoor unit of the air conditioner according to claim 1.