JP2023008316A - Frame for air conditioner and air conditioner including the same - Google Patents

Abstract

To provide a movable frame for air conditioner in which a user side unit and a heat source side unit are integrally placed, and which is light-weight, has excellent productivity, and can efficiently execute safe lifting work, and to provide an air conditioner including the same.SOLUTION: In a movable frame 30 for air conditioner in which a use side unit 10 and a heat source side unit 20 are integrally placed, four wheels 34 are mounted at four corners of a base 31 for constituting a lower part, and in the vicinity of the four wheels 34, a band space 46 is formed for passing a band for lifting. By passing the band for lifting in the band space 46, lifting of the air conditioner becomes possible. Therefore, a shackle pin mounting hole does not need to be provided at the frame 30; plate thickness of the frame can be reduced; and productivity can be improved by reducing production cost. Also, safe lifting work can be executed efficiently.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a mobile stand used in an air conditioner in which a user side unit and a heat source side unit are integrated, and an air conditioner provided with the same.

Patent Document 1 discloses a user-side unit having a user-side heat exchanger and a user-side fan, and a heat-source-side unit having a heat-source-side heat exchanger, a heat-source-side fan, a compressor, and the like. An air conditioner is disclosed that performs air conditioning operation such as cooling by connecting side units with piping.

In addition, as an air conditioner used for cooling or heating large-scale spaces where it is difficult to install ordinary air conditioners, such as factories, workshops, warehouses, gymnasiums, etc., the user side unit and the heat source side unit are integrated. It is known to perform spot air-conditioning in preparation for the target.

For example, Patent Literature 2 discloses an air conditioner in which a user side unit and a heat source side unit are arranged on one frame. The user-side unit and the heat-source-side unit are arranged back-to-back so that the air outlet faces outward and the air-intake port faces inward, and a suction space is provided between the user-side unit and the heat-source-side unit. there is

Japanese Unexamined Patent Application Publication No. 2013-200103 JP-A-2011-94879

A movable air conditioner integrally including a user side unit and a heat source side unit of this type may be lifted to a high position during transportation or the like. However, in the conventional technology described above, there is a point that should be improved in the structure for safely lifting the air conditioner.

Specifically, in the conventional air conditioner integrally including the user side unit and the heat source side unit, when the air conditioner is lifted by hanging a lifting band or the like under the base, the band or the like slips. There is a danger that the air conditioner will fall.

Therefore, it is conventionally known to provide a plurality of shackle pins for fixing the band or the like to the base of the frame in order to prevent the lifting band or the like from slipping when the air conditioner is lifted to a high position. ing.

That is, a plurality of shackle pins are attached to the frame, a lifting band or the like is fixed to these shackle pins, and the band or the like is connected to a lifting machine such as a crane to lift the air conditioner.

In such a configuration for lifting the air conditioner using shackle pins, the shackle pins are required, and fixing holes having sufficient strength for fixing the shackle pins need to be formed in the base of the frame. There is That is, a high-strength base that is thick enough to withstand the lifting load is used so that the base is not deformed during lifting.

Therefore, conventional air conditioners, which require a stand made of a thick plate or the like and a plurality of shackle pins, are uneconomical due to high production costs. In addition, during transportation, it is necessary to attach and detach the shackle pin, resulting in poor workability. In addition, the use of a thick plate or the like to ensure strength increases the weight of the stand, and attaching shackle pins also increases the weight of the air conditioner, making transportation work difficult.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an air conditioner that is light in weight, excellent in productivity, and capable of performing safe and efficient lifting work of the air conditioner. and an air conditioner equipped with the same.

The rack for an air conditioner of the present invention mounts a user-side unit having a user-side heat exchanger and a user-side fan, and a heat source-side unit having a heat source-side heat exchanger, a heat source-side fan, and a compressor. 4 wheels are attached to the four corners of the base that constitutes the lower part, and the base has a lifting band near the four wheels. characterized in that a band space is formed for passing the

Further, an air conditioner according to the present invention comprises the above-described air conditioner base, the user side unit mounted on the base, and the user side unit mounted on the base via refrigerant pipes. and the heat source side unit connected to the side unit.

According to the pedestal for an air conditioner of the present invention, it is a pedestal for a mobile air conditioner on which the user side unit and the heat source side unit are integrally mounted, and the four corners of the base constituting the lower part are provided with Four wheels are attached, and a band space for passing a lifting band is formed in the vicinity of the four wheels in the base. As a result, the air conditioner can be lifted by passing the lifting bands through the band spaces provided in the vicinity of the four wheels of the pedestal. Therefore, since it is not necessary to attach shackle pins to the pedestal as in the prior art, there is no need to provide shackle pin attachment holes in the pedestal, and the plate thickness of the pedestal can be reduced. Therefore, the shackle pin becomes unnecessary, the manufacturing cost of the gantry can be reduced, and the productivity of the air conditioner can be improved. In addition, the operator can efficiently carry out safe lifting work without using shackle pins.

Further, according to the air conditioner stand of the present invention, the band space may be formed by notching and bending a lower portion of the base. As a result, it is possible to safely lift the belt by preventing slippage of the belt with a simple structure without adding a member for holding the belt.

Further, according to the air conditioner pedestal of the present invention, the support member forming one side of the outer circumference of the lower portion of the base is formed of a plate material, and the support member includes a support plate portion to which the wheel is attached. an outer plate portion formed by bending the outer side of the support plate portion upward; and an inner plate portion formed by bending the inner side of the support plate portion downward. , and the band space may be formed by cutting the inner plate portion. With such a configuration, the weight of the air conditioner can be reduced by thinning the plate thickness of the gantry while ensuring a safe strength capable of withstanding the load of the user side unit and the heat source side unit. Therefore, the productivity is improved, and the workability of the lifting work and the transport work is also improved.

Further, according to the air conditioner pedestal of the present invention, the support member includes the upper plate portion formed by bending the upper side of the outer plate portion toward the inside, and the lower side of the inner plate portion. and a lower plate portion formed by bending inwardly. This makes it possible to further reduce the weight while ensuring the strength of the frame.

Further, according to the air conditioner of the present invention, there is provided a base for the air conditioner of the present invention, the user side unit mounted on the base, and a refrigerant pipe mounted on the base. a heat source side unit connected to the user side unit via a heat source side unit. As a result, it is possible to obtain an air conditioner that is lightweight, has excellent productivity, and can be lifted safely and easily.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows schematic structure of the air conditioner which concerns on embodiment of this invention. Fig. 2 is an enlarged perspective view of a main part of the pedestal of the air conditioner according to the embodiment of the present invention; Fig. 3 is a cross-sectional view of a support member of the pedestal of the air conditioner according to the embodiment of the present invention; FIG. 4 is a diagram showing how the band is attached when the air conditioner according to the embodiment of the present invention is lifted.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a stand for an air conditioner and an air conditioner including the same according to embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a diagram showing a schematic configuration of an air conditioner 1 according to an embodiment of the present invention. As shown in FIG. 1, the air conditioner 1 is a movable spot air conditioner, and has a user unit 10 and a heat source unit 20 mounted on a stand 30 for the air conditioner. . The air conditioner 1 is a movable powerful spot air conditioner in which a user side unit 10 and a heat source side unit 20 are integrated.

The user-side unit 10 is a device that mainly cools or heats the user-side air and supplies it. The user-side unit 10 has a configuration corresponding to an indoor unit of a general package air conditioner.

Specifically, the user-side unit 10 has a housing 11 that is a substantially box-shaped housing made of a metal plate material or the like, and a user-side heat exchanger that is a part that constitutes a refrigeration cycle is housed inside the housing 11 . 12 and a user side fan 13 are provided.

The heat source side unit 20 is a device that mainly releases heat to or absorbs heat from the air on the exhaust side. The heat source side unit 20 has a configuration corresponding to an outdoor unit of a general packaged air conditioner.

Specifically, the heat source side unit 20 has a housing 21 which is a substantially box-shaped housing made of a metal plate material or the like, and a heat source side heat exchanger which is a component constituting a refrigeration cycle inside the housing 21. 22 and a heat source side fan 23 are provided.

The housing 11 of the user-side unit 10 has substantially the same outdoor installation specifications as the housing 21 of the heat source-side unit 20, and the user-side unit 10 is manufactured with substantially the same specifications as the heat source-side unit 20 in terms of weather resistance and waterproofness. ing. The size and shape of the housing 11 and the housing 21 may not be the same. Also, the use side heat exchanger 12 and the heat source side heat exchanger 22 may have different sizes and shapes.

The user-side heat exchanger 12 of the user-side unit 10 is connected to the heat source-side heat exchanger 22 of the heat source-side unit 20 via refrigerant piping 28 . Specifically, the user-side heat exchanger 12 and the heat source-side heat exchanger 22 include a compressor (not shown) that compresses a low-pressure refrigerant to a high pressure, an expansion valve (not shown) that expands a high-pressure refrigerant to a low pressure, and refrigerant pipes. 28 and other refrigerant pipes (not shown) to form a vapor compression refrigeration cycle circuit. As the refrigerant used in the refrigerating cycle, for example, an HFC refrigerant or the like is adopted.

The housing 11 of the user unit 10 is formed with a pipe outlet 17 through which a refrigerant pipe 28 connected to the heat source unit 20 is inserted. The piping outlet 17 is, for example, a knockout hole. The pipe outlet 17 is closed by a pipe outlet block plate 29 with the refrigerant pipe 28 inserted therein.

The housing 21 of the heat source side unit 20 is formed with a pipe outlet 27 through which a refrigerant pipe 28 connected to the user side unit 10 is inserted. The piping outlet 27 is, for example, a knockout hole. The pipe outlet 27 is closed by a pipe outlet block plate 29 with the refrigerant pipe 28 inserted therein.

The housing 11 of the user-side unit 10 is formed with a suction port 15 that is an opening for sucking air and a blowout port 16 that is an opening for blowing out air. The suction port 15 is provided with a user-side heat exchanger 12 that exchanges heat between the air sucked from the surroundings and the refrigerant. As a result, for example, during cooling operation, the air sucked from the surroundings is cooled by the refrigerant that evaporates in the user-side heat exchanger 12 .

The air outlet 16 is provided with a user-side fan 13 that blows out the air in the housing 11 that has exchanged heat with the user-side heat exchanger 12 . The user-side fan 13 is, for example, a propeller fan or the like, and is rotationally driven by a motor (not shown).

The air conditioner 1 according to the present embodiment is equipped with a particularly powerful user-side fan 13 . Specifically, the user-side fan 13 is installed to have a higher air-blowing capacity than the heat-source-side fan 23, and has a strong air-blowing capacity to blow air from the air outlet 16 at a wind speed of 5 m/s, for example. As a result, in a large-scale workplace such as a factory, it is possible to deliver a blast that travels in a straight line to a long distance, and it is possible to target a working space and efficiently cool or heat only that working space.

Further, the air outlet 16 is provided with a wind direction guide 14 for adjusting the flow direction of the air sent by the user side fan 13 . The wind direction guide 14 has an outer peripheral portion that surrounds the outer periphery of the user-side fan 13 and has, for example, a substantially cylindrical shape.

The inside surrounded by the outer peripheral portion of the wind direction guide 14 is an opening leading to a blowout port 16 through which air flows. A variable wind direction adjusting plate (not shown) for adjusting the flow of air is provided inside the wind direction guide 14 . With such a configuration, the air cooled or heated by the utilization side heat exchanger 12 can be efficiently flowed toward the work space that requires it.

The housing 21 of the heat source side unit 20 is formed with a suction port 25 that is an opening for sucking air and a blowout port 26 that is an opening for blowing out air. The suction port 25 is provided with a heat source side heat exchanger 22 that exchanges heat between the air sucked from the surroundings and the refrigerant. As a result, for example, during cooling operation, the refrigerant in the heat source side heat exchanger 22 is cooled and condensed by the air flowing in from the suction port 25 . In other words, the air sucked from the suction port 25 exchanges heat with the refrigerant in the heat source side heat exchanger 22 and is heated.

The air outlet 26 is provided with a heat source side fan 23 that blows out the air inside the housing 21 that has undergone heat exchange with the heat source side heat exchanger 22 . The heat source side fan 23 is, for example, a propeller fan or the like, and is rotationally driven by a motor (not shown).

Further, the air outlet 26 is provided with a wind direction guide 24 for adjusting the blowing direction of the air sent by the heat source side fan 23 . The wind direction guide 24 has, for example, a substantially rectangular outer frame surrounding the heat source side fan 23, and is made of a metal plate material, a resin plate material, or the like.

The mount 30 is a stand that integrally supports the user side unit 10 and the heat source side unit 20 . The pedestal 30 is made of, for example, steel plate, angle steel, channel steel, other steel materials, or the like. A base 31 is formed below the mount 30 and has a substantially rectangular frame-like outer periphery when viewed from above. The user side unit 10 and the heat source side unit 20 are fixed to the top of the base 31 .

A user-side unit installation table 32 for installing the user-side unit 10 is formed on the gantry 30 . The user-side unit installation base 32 is formed to protrude upward from the top of the base 31 so that the bottom of the user-side unit 10 can be supported at a position higher than the bottom of the heat source-side unit 20 .

By providing the user-side unit installation table 32 on the upper part of the base 31, the user-side unit 10 is fixed at a high position. Since the user-side unit 10 is provided at a high position in this way, the position of the blow-out port 16 of the user-side unit 10 is raised, and cold air and warm air for air conditioning can be blown widely and efficiently to the work space. can be done.

A drain pan 33 is provided above the user-side unit installation table 32 . The drain pan 33 is a member for receiving water that adheres to and drips from the user-side heat exchanger 12 of the user-side unit 10 and drains it to a water pipe (not shown). By providing the drain pan 33, water dripping from the user-side heat exchanger 12 of the user-side unit 10 can be collected and suitably drained, and the water can be prevented from scattering in the working space.

Four wheels 34 positioned on the front, rear, left, and right of the base 30 are provided near the four corners of the lower portion of the base 31 . The wheels 34 are, for example, casters having rubber wheels or the like. The wheels 34 on one end side are fixed wheels capable of moving in a predetermined direction, and the wheels 34 on the other end side are capable of changing directions. It may be a free car. By providing the wheels 34 , the gantry 30 is configured to be movable while integrally supporting the user side unit 10 and the heat source side unit 20 .

The user side unit 10 and the heat source side unit 20 are provided on the base 30 so that the suction port 15 and the suction port 25 for sucking air are opposed to each other. That is, the user-side unit 10 and the heat source-side unit 20 are arranged back-to-back so that the user-side heat exchanger 12 side and the heat source-side heat exchanger 22 side face each other.

In other words, the user-side unit 10 and the heat source-side unit 20 are arranged so that the air outlet 16 of the user-side unit 10 and the air outlet 26 of the heat source-side unit 20 face outward so that they blow air in opposite directions. It is

As described above, the user-side unit 10 and the heat-source-side unit 20 face the suction port 15 and the suction port 25 inward, and the air outlet 16 and the air outlet 26 are directed in opposite directions so that air is blown out in opposite directions. By arranging in such a manner, efficient air conditioning is realized for large-scale factories, distribution warehouses, and the like.

That is, the cooled or heated air can be efficiently and strongly blown from the outlet 16 of the user-side unit 10 to the work area to be air-conditioned. Then, exhaust heat air for air conditioning can be discharged to a space away from the space requiring air conditioning from the blowout port 26 of the heat source side unit 20 facing the opposite side to the blowout port 16 of the user side unit 10. can.

In the air conditioner 1 according to the present embodiment, a band space 46 for passing a lifting band 48 (see FIG. 4) when lifting the air conditioner 1 is provided near the four wheels 34 of the pedestal 30. ing.

FIG. 2 is an enlarged perspective view of a main part of the pedestal 30 of the air conditioner 1. FIG.
As shown in FIG. 2 , the band space 46 is provided in the vicinity of the four wheels 34 of the base 31 of the frame 30 , specifically inside the four wheels 34 . The band space 46 is formed by notching the inside of the lower portion of the support member 40 of the base 31 and bending the vicinity of the notch downward.

3A and 3B are cross-sectional views showing schematic forms of the support member 40 of the pedestal 30. FIG.
2 and 3A, a support member 40 forming one side of the outer circumference of the lower portion of the base 31 is made of a plate material such as a galvanized steel plate. Specifically, the support member 40 has a support plate portion 41 that extends in the front-rear direction of the air conditioner 1 and is arranged substantially horizontally. there is

An outer plate portion 42 is provided on the outer edge side of the support plate portion 41 and is formed by bending the vicinity of the outer edge of the support plate portion 41 upward at approximately 90 degrees, that is, approximately vertically. An inner plate portion 43 is provided on the inner side of the support plate portion 41 and is formed by bending the vicinity of the inner side of the support plate portion 41 downward at approximately 90 degrees, that is, approximately vertically.

That is, the support member 40 is bent so as to form a substantially Z-shaped cross section. As a result, the support plate portion 41 that is lightweight and has sufficient strength is obtained. Further, as described above, the air conditioner 1 does not need to provide shackle pin mounting holes in the pedestal 30, so the plate thickness of the support member 40 can be reduced.

With such a configuration, while securing sufficient strength to withstand the load of the user side unit 10 (see FIG. 1) and the heat source side unit 20 (see FIG. 1), the plate thickness of the support member 40 is reduced to provide an air conditioning system. The weight of the device 1 can be reduced. Therefore, the productivity is improved, and the workability of the lifting work and the transport work is also improved.

Referring to FIG. 2, band space 46 is formed by notching inner plate portion 43 of support member 40 . Specifically, in the manufacturing process of the support member 40 , a notch that becomes the band space 46 is formed in the plate material that becomes the support member 40 . Then, the plate member having the cutout is bent by press working or the like to form the inner plate portion 43, and the band space 46 for safely holding the band 48 (see FIG. 4) is formed.

2 and 3B, the support member 40 is an upper plate formed by bending the upper side of the outer plate portion 42 inward at approximately 90 degrees, that is, approximately horizontally. It has a part 44 . Further, the support member 40 may have a lower plate portion 45 formed by bending the lower side of the inner plate portion 43 inward at approximately 90 degrees, that is, approximately horizontally. With such a configuration, it is possible to further reduce the weight of the pedestal 30 by thinning the plate thickness of the support member 40 while ensuring sufficient strength.

FIG. 4 is a diagram showing how the band 48 is attached when the air conditioner 1 is lifted.
As shown in FIG. 4 , by passing bands 48 through four band spaces 46 provided in the vicinity of the wheels 34 of the pedestal 30 , the air conditioner 1 can be lifted together with the pedestal 30 .

As described above, the band space 46 is formed as a notch in the inner plate portion 43 (see FIG. 2) of the support member 40 of the base 31. As shown in FIG. Therefore, the slippage of the band 48 is suppressed by the inner plate portion 43 . That is, the band 48 attached to the band space 46 is restrained by the inner plate portion 43 and does not slide inward in the longitudinal direction of the air conditioner 1 . Therefore, a safe lifting operation can be performed without the band 48 slipping.

Thus, by passing the lifting bands 48 through the four band spaces 46, the air conditioner 1 can be safely lifted, and there is no need to attach shackle pins to the pedestal 30 as in the prior art. This eliminates the need for shackle pins and holes for attaching the shackle pins, thereby reducing the manufacturing cost of the pedestal 30 and improving the productivity of the air conditioner 1 .

In addition, the operator can lift the air conditioner 1 by attaching the lifting bands 48 using the four band spaces 46 without using shackle pins. In other words, the worker can efficiently perform safe lifting work.

As described above, the stand 30 for an air conditioner and the air conditioner 1 provided with the stand 30 for an air conditioner according to the present embodiment are lightweight, excellent in productivity, and can be lifted up and moved safely and easily.
It should be noted that the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention.

1 Air conditioner 10 User side unit 11 Housing 12 User side heat exchanger 13 User side fan 14 Wind direction guide 15 Suction port 16 Air outlet 17 Piping outlet 20 Heat source side unit 21 Housing 22 Heat source side heat exchanger 23 Heat source side fan 24 Wind direction guide 25 Suction port 26 Blow-out port 27 Pipe outlet 28 Refrigerant pipe 29 Pipe outlet block plate 30 Frame 31 Base 32 User side unit installation base 33 Drain pan 34 Wheel 40 Support member 41 Support plate portion 42 Outer plate portion 43 Inner plate Part 44 Upper plate portion 45 Lower plate portion 46 Band space 48 Band

Claims (5)

A stand for a mobile air conditioner on which a user side unit having a user side heat exchanger and a user side fan, and a heat source side unit having a heat source side heat exchanger, a heat source side fan, and a compressor are mounted. There is
Four wheels are attached to the four corners of the base that constitutes the lower part,
A pedestal for an air conditioner, wherein a band space for passing a lifting band is formed in the vicinity of the four wheels in the base. 2. A stand for an air conditioner according to claim 1, wherein said band space is formed by notching and bending a lower portion of said base. A support member forming one outer peripheral side of the lower part of the base is formed of a plate material,
The support member includes a support plate portion to which the wheel is attached, an outer plate portion formed by bending the outer side of the support plate portion upward, and an inner side portion of the support plate portion that is bent downward. an inner plate portion formed by bending toward
3. The mount for an air conditioner according to claim 1, wherein the band space is formed by notching the inner plate portion. The support member includes an upper plate portion formed by bending the upper side of the outer plate portion inward, and a lower plate formed by bending the lower side of the inner plate portion inward. 4. The pedestal for an air conditioner according to claim 3, further comprising: a part. A stand for an air conditioner according to any one of claims 1 to 4;
the user-side unit placed on the pedestal;
and the heat source side unit mounted on the pedestal and connected to the user side unit via a refrigerant pipe.

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