JP2003294269A - Arrangement system of outdoor machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To avoid routing of its own exhaust air or high-temperature air exhausted from other outdoor machines to an inlet part of an outdoor machine even if the outdoor machine is arranged closely in multiple stages. <P>SOLUTION: When a plurality of the outdoor machines 1 having the inlet part 3 on the back of a casing 2 and a blow-out part 4 on the top are arranged in multiple stages, the outdoor machines 1 arranged on upper and lower stages are aligned with their front faces opposed to each other. The outdoor machine 1 arranged on the upper stage is arranged on top of a grating 11. The outdoor machine 1 on the lower stage is provided with a partition board 21 for guiding air blown out of the blow-out part 4 to a ventilation part 13 of the grating 11. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit arranging system suitable for radiating heat from an outdoor unit, particularly an outdoor unit of an air-cooling type direct expansion cooling device.

[0002]

2. Description of the Related Art In general, as shown in FIG. 11, an outdoor unit 101 of an air-cooling direct expansion cooling device for building air conditioning is a building roof RF.
And the like, which are arranged in a plane through a concrete foundation 102 and absorb the heat absorbed when the indoor air is cooled, through the heat exchanger in the air-cooled outdoor unit 101 to the atmosphere from the blow-out portion on the upper surface of the outdoor unit 101. Is released to. Further, the heat dissipation capacity of the outdoor unit 101 changes depending on the temperature and the amount of air sucked into the heat exchanger in the outdoor unit 101 from the side suction section.

In order to secure the specified heat radiation capacity of the outdoor unit 101, it is necessary to take precautions to prevent a rise in the suction temperature due to the exhaust air of the outdoor unit 101 turning around to the suction side. Therefore, the air-cooled outdoor unit 10
In the case of collectively arranging 1, the arrangement intervals of the outdoor units 101 and the heights of the foundation 102 and the pedestal are defined so that a fresh intake air amount to the air-cooled outdoor unit 101 can be secured. Further, when the outside air temperature itself rises, it becomes difficult to secure the specified heat radiation capacity of the air-cooled outdoor unit 101 and the COP also decreases, even if the exhaust air does not go around to the suction side.

[0004]

As described above, since the outdoor unit 101 is conventionally arranged in a plane on the rooftop RF of the building, etc., the outdoor unit 101 which can be installed on the rooftop RF of the building.
There is a limit to the number of cars. In addition, the amount of heat generated inside a building that houses information and communication facilities has increased significantly, and the number of air conditioners installed must increase accordingly. As a result, the air-cooled outdoor unit 101 must be arranged on the entire rooftop of the building, and further, all the outdoor units 101 cannot be installed on the rooftop RF in some cases.

In order to avoid this, when the arrangement interval of the air-cooling outdoor unit 101 is set to a specified value or less and the air-cooling outdoor unit 101 is arranged in close proximity, the exhaust air of the air-cooling outdoor unit 101 may go around to the suction side. As a result, the air-cooled outdoor unit 10
In some cases, the suction temperature of No. 1 rises, the heat dissipation capacity of the heat exchanger decreases, and the specified cooling capacity cannot be obtained. Further, even when the air-cooling outdoor unit 101 is arranged so that the exhaust air does not go around to the intake side during the period when the outdoor temperature becomes high in the summer, the heat dissipation capacity of the heat exchanger is reduced and the specified cooling capacity is obtained. Sometimes you can't. For this reason, the number of air conditioners is usually increased in order to give a margin to the cooling capacity, leading to an increase in initial cost.

Regarding this point, in Japanese Patent Laid-Open No. 143533/1992, it is proposed to stack the upper and lower outdoor units so that the air outlet and the air inlet are not close to each other. The outdoor units that can be used are limited to those that are set horizontally both in the suction direction and in the blowing direction, and it is necessary to prepare an outdoor unit with a changed layout of the blower and identify and place it at the time of installation. Moreover, the high-temperature air that has blown out horizontally after heat exchange rises and is sucked in through the suction port of the other outdoor unit in the upper layer, and as a result, the heat dissipation capacity decreases and the specified cooling capacity may not be obtained. There is also.

The present invention has been made in view of the above point, and basically, the outdoor units are arranged in multiple stages to effectively utilize the space, but after the heat exchange is completed, the air is blown horizontally. It is an object of the present invention to provide an arrangement system of an outdoor unit in which even if the high-temperature air in the exhaust rises, it goes around to the other side of the outdoor unit and is not sucked in, thereby solving the above problem.

[0008]

In order to achieve the above object, according to the present invention, a casing has a suction portion on the back surface thereof, and a blowing portion is provided on the upper surface of the casing for blowing air sucked from the suction portion. In a system for arranging a plurality of outdoor units having a plurality of stages, the outdoor units arranged in the lower stage are arranged such that their fronts face each other, and the outdoor units arranged in the upper stage above the outdoor units in the lower stage. A floor plate for installing a machine is arranged, a ventilation part is formed in the floor plate, the front of the outdoor unit arranged in the upper stage is arranged toward the air flow side rising from the ventilation part, and the outdoor in the lower stage is arranged. A guide plate for guiding exhaust gas from the blow-out part of the lower outdoor unit to the ventilation part is arranged between the rear side of the blow-out part of the machine and the floor plate. Machine placement system provided It is.

According to this arrangement system, the high-temperature air discharged from the lower blow-off section is guided by the guide plate to the ventilation section of the floor plate, rises from the ventilation section and is discharged to the atmosphere.
Since the front part of the outdoor unit installed on the floor plate is arranged toward the side of the air flow rising from the ventilation part, the back part having the suction part does not face the rising air flow. Therefore, in both the upper and lower outdoor units, high-temperature air blown from the blow-out portion does not go around to the suction portion and is sucked in, and the heat radiation efficiency is better than before.
Further, as a result, the upper and lower outdoor units can be arranged closer to each other with a narrower side space than in the conventional case, and the limited space can be effectively used.

The guide plate itself may have any shape, but a part of the guide plate may also be used as the casing of the lower outdoor unit. Further, a partition plate may be disposed between the opposing outdoor units in the lower stage, above the opposing outdoor units, for example, a portion that does not hinder the blowing from the blowing portion, for example, an upper edge portion. This partition plate restricts the high temperature air discharged from the lower blow-out part from flowing into the space below the partition plate, and as a result, is formed by the guide plate and guided to the ventilation part. The volume of the exhaust space is reduced. Therefore, it becomes possible to guide the hot air to the ventilation part more effectively.

The partition plate can be used as a scaffold for various works or as a scaffold for maintenance and inspection of the upper outdoor unit by appropriately setting the strength. When it is used for maintenance and inspection of the upper room key area, the ventilation part may be opened or may be configured to be openable, for example, only the ventilation part may be detachable or hinged. Further, for example, a refrigerant pipe connected to the outdoor unit can be arranged on this partition plate. If a refrigerant pipe duct for collecting and storing the refrigerant pipes is installed on the partition plate, the refrigerant pipe duct, which is located at a position higher than the partition plate, can also be used as a scaffold for maintenance. .

When the outdoor units are arranged to face each other,
By creating a space for personnel to pass through by securing a certain distance between the opposing outdoor units, the space can be used as a maintenance space. Also, the guide plate itself
Although it may be attached to each outdoor unit itself, the guide plates themselves of the adjacent outdoor units may be set to be airtight or almost airtight. In such a case, an integrated guide plate that is shared with the adjacent outdoor units may be used. When the front of the outdoor unit is partially open, it is preferable to cover the open part.

When a spraying device for spraying fine liquid droplets is arranged in the space around the suction portion of the lower or upper outdoor unit, the evaporation latent heat of the fine liquid droplets sprayed from the spraying device causes the air in the space around the suction portion to flow. It is possible to lower the temperature and prevent the heat radiation capacity of the heat exchanger of the outdoor unit from decreasing. In this case, the spray device may operate based on the suction temperature in the suction section of the outdoor unit and the temperature of the space around the suction section of the lower or upper outdoor unit. For example,
If a temperature sensor that detects the ambient temperature of the suction part of the outdoor unit is installed, and if the detection signal from this temperature sensor exceeds a predetermined value, then spraying from the spraying device will result in efficient operation. Can be implemented Such a spraying device may be arranged in one or both of the spaces around the suction portion of the lower and upper outdoor units.

The outdoor unit arranged in the upper stage may be arranged such that the front faces thereof face each other with the air flow rising from the ventilation section interposed therebetween, as in the outdoor unit arranged in the lower stage. The upper outdoor unit may also have another guide plate for directing the air blown from the blowing unit of the upper outdoor unit to the airflow side rising from the ventilation portion of the floor plate. A part of the other guide plate attached to the upper outdoor unit may also be used as the casing of the upper outdoor unit.

Another floor plate for installing another outdoor unit may be arranged above the upper stage. In this case, the other floor plate is provided with a ventilation part, and the guide plate provided in the upper outdoor unit causes the air blown from the blowout part of the upper outdoor unit to be a ventilation part of the other floor plate. It is preferable to be configured to guide to.

If the floor plate used in the present invention is a plate member having a large number of ventilation holes, it is not necessary to perform special processing such as forming ventilation holes at positions corresponding to the ventilation portions. An example of such a plate material is grating. Further, it is preferable that the guide plate has a sound absorbing function by providing a sound absorbing material. This also makes it possible to reduce the noise of the outdoor units collectively arranged.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view of the arrangement system according to the first embodiment, FIG. 2 is a front longitudinal cross section of the same, and FIG. 3 is a plan view of the same.

In this embodiment, as shown in FIG. 3, three outdoor units 1 are aligned on the rooftop RF to form an outdoor unit row M, and the outdoor unit rows M are in front of each other. Outdoor unit groups P1 to P5 arranged to face each other, and these outdoor unit groups P1 to P
In the same manner, four outdoor units 1 are aligned with each other to form an outdoor unit row N at intervals with 5, and outdoor unit groups Q1 to Q5 arranged to face each other are arranged to form a lower arrangement, The arrangement in the upper stage described later is also arranged in exactly the same manner.

As shown in FIGS. 1 and 2, the outdoor unit 1 has an air suction portion 3 formed on the back surface of a rectangular casing 2 and the suction portion 3 sucked on the upper surface of the casing 2. Blow-out part 4 for blowing out high-temperature air that has undergone heat exchange between air and a built-in heat exchanger (not shown).
Is provided. The outdoor unit 1 is installed on a foundation 5 built on the rooftop RF. A grating 6 having a large number of holes is provided between the bases 5.

In addition, the outdoor unit 1 has a built-in compressor in addition to the above-mentioned heat exchanger (condenser at the time of cooling) and a blower, and an evaporator and a blower at the time of cooling, an indoor unit having an expansion valve, and a refrigerant pipe. Are linked together. When the outdoor unit 1 is used in a communication facility or a computer center, the heat exchanger in the outdoor unit 1 is always a condenser and the indoor unit is equipped with an evaporator.

The outdoor unit groups P1 to P arranged in the lower stage
5, Q1 to Q5 are different only in the number of outdoor units, and the arrangement examples are the same, so for example, the outdoor unit group Q1,
To explain using Q2 as an example, as shown in FIG. 1, in the outdoor unit groups Q1 and Q2, each outdoor unit 1 has an appropriate space S.
Are arranged so that the front faces face each other. Therefore, the suction portion 3 of each outdoor unit 1 faces outward and the blowout portion 4 faces upward.

Each outdoor unit group P1 to P arranged in the lower stage
A grating 11 that constitutes a floor plate is arranged above 5, Q1 to Q5. The grating 11 is supported by columns 12 as shown in FIG. The outdoor units 1 arranged in the upper stage are arranged on the grating 11 in the same manner as the arrangement and arrangement in the lower stage.
They are arranged and arranged as UP5, UQ1 to UQ5.
That is, they are arranged and arranged with their front faces toward the air flow rising from the ventilation part 13 described later.

The outdoor unit groups P1 to P arranged in the lower stage
5, each of the outdoor units 1 in Q1 to Q5 has a rear upper end of the casing 2 and a corresponding upper outdoor unit group UP1 to U.
A guide plate 21 is provided between P5, UQ1 to UQ5 and the lower surface of the grating 11 below the space S between the front surfaces of the outdoor units. In the present embodiment, referring to, for example, the outdoor unit Q1, the guide plate 21 extends from the outdoor unit 1 at one end of the four aligned outdoor units 1 to the other end of the outdoor unit 1 at the other end. It is composed of one panel material having the entire length, that is, the entire length of the outdoor unit row M. The guide plate 21 has a vertical portion 21a having a predetermined length from the rear side upper end of the outdoor unit 1 and a slope portion 21b obliquely bent inward from the upper end of the vertical portion 21a. Slope 21
As described above, the tip of b has the outdoor unit groups UP1 to UP1 of the upper stage.
It is connected to the lower surface of the grating 11 corresponding to the lower part of the space S between the front surfaces of the outdoor unit 1 in the UP5, UQ1 to UQ5.

However, the slope portion 21b is formed by the grating 11
Need not be in contact with. The allowable amount of air leak is calculated in advance, and the warm air from the blow-out part 4 of the outdoor unit 1 (cold air during heating)
However, it suffices to provide a guide plate up to a height and a position at which the suction unit 3 of the outdoor unit 1 in the upper stage does not suck and wrap around, and guide through the guide plate.

Therefore, as shown in FIG. 1, for example, with respect to the outdoor unit group Q1 arranged in the lower stage, the guide plates 21 are gradually arranged so that the guide plates 21 face each other from the upper ends on the back side of the opposing outdoor units 1. Approaching Grating 11
It comes in contact with the bottom surface of. With this configuration,
The air blown out from the blow-out portion 4 on the upper surface of the outdoor unit 1 facing the other in the outdoor unit group Q1 flows along the inside of the sloped portion 21b of the guide plate 21 and corresponds to the lower part of the space S between the front surfaces of the grating 11. The portion to be opened, that is, the ventilation portion 13 in the present embodiment is guided.

In the present embodiment, a slight gap d is created between the adjacent outdoor units 1, but the hanging portion 21a of the guide plate 21 also covers the gap d. Therefore, each outdoor unit group P1 to P5, Q1
The back side of each outdoor unit 1 in Q5 is completely closed.

On the other hand, each outdoor unit group P1 to P5, Q1 to Q5
The open ends of both ends in the longitudinal direction may be left open as they are, but in order to further improve the effect of the present invention, the side wall 14 is formed of an appropriate panel or a resin sheet to face the outdoor unit 1. The space S may be a closed space that is almost sealed. In this case, if the side wall 14 is provided with a door 15 that can be opened and closed, a person can freely enter and exit the facing space S, that is, the maintenance space through the door 15.

The outdoor unit groups UP1 to UP1 arranged in the upper stage
Other guide plates 31 are provided at the upper ends of the UP 5, UQ 1 to UQ 5 on the rear side of the outdoor unit 1. Like the guide plate 21, this guide plate 31 has a vertical portion 31a and a sloped portion 31b inclined inwardly. In the present embodiment, a small guide is provided for each outdoor unit 1 arranged in the upper stage. A plate 31 is attached. Further, in the mutual gap d on the side portions of the outdoor units 1 which are arranged in the upper stage and are adjacent to each other,
A closing plate 32 that covers the gap d is installed. As a result, the upper outdoor unit groups UP1 to UP5 and UQ1 to UQ
At the height of the rear surface of the outdoor unit 1 at 5, the facing space S is closed by the casing 2 of the outdoor unit 1 and the closing plate 32.

A sound absorbing material such as a glass wool panel is attached to the inside of the guide plates 21 and 31 to provide a sound absorbing function.

Since the arrangement system according to the first embodiment has the above-mentioned configuration, the outdoor unit group P in the lower stage is arranged.
1 to P5, Q1 to Q5, the hot exhaust air after heat exchange from each outdoor unit 1 is blown out from the blowout portion 4 on the upper surface of the outdoor unit, then flows along the inside of the guide plate 21, and the grating 1
1 is guided to the ventilation part 13 having a strip shape (a direction in which the outdoor unit 1 is aligned and continuously extending laterally), and the ventilation part 1
Pass 3 and rise. On the other hand, the upper outdoor unit groups UP1 to U
The hot exhaust gas after heat exchange from the outdoor unit 1 in P5, UQ1 to UQ5 is blown out from the blow-out portion 4 on the upper surface of the outdoor unit, then flows along the inside of the guide plate 31, and passes through the ventilation portion 13. It is guided to the rising air stream, merges and rises, and is released into the atmosphere.

On the other hand, regarding the intake air of the outdoor unit 1, as described above, all the high-temperature exhaust gas of the outdoor unit 1 is discharged into the atmosphere as an ascending airflow along the guide plates 21 and 31, so that the lower outdoor unit There is no possibility that such high-temperature air will go around to the suction section 3 set on the back side of each outdoor unit 1 of the machine groups P1 to P5 and Q1 to Q5. Therefore, fresh outdoor air is always sucked into the outdoor units 1 in the lower outdoor unit groups P1 to P5 and Q1 to Q5 and the outdoor units 1 in the upper outdoor unit groups UP1 to UP5 and UQ1 to UQ5. Therefore, the heat dissipation capacity of the heat exchanger of the outdoor unit 1 does not decrease, and the desired cooling capacity can be obtained.

In addition, since the grating 11 is adopted as the floor plate in the above-mentioned embodiment, when forming the ventilation part 13, there is no need to perform processing such as forming a hole for special ventilation, and the weight is reduced as a whole. Because it is,
The burden of 2 is also reduced.

Further, since the guide plates 21 and 31 having the sound absorbing function are adopted, the noise generated from the outdoor unit 1 is reduced by the shielding and the sound absorbing function of the guide plates 21 and 31.

Next, a second embodiment will be described with reference to FIGS. The arrangement system according to the second embodiment is different from the arrangement system according to the first embodiment described above in that a spraying device 51 for spraying fine droplets as shown in FIGS. Is added.

This spraying device 51 uses, for example, a one-fluid nozzle, and a water supply pipe 5 connected from a water supply pump 52.
Water for spraying is supplied to each spraying device 51 through 3. The installation location of the spraying device 51 is preferably a location where fine droplets can be sprayed into the space in which the suction air of the outdoor unit 1 flows, for example, around the suction unit 3 of each outdoor unit 1. In the present embodiment, as shown in the figure, the columns 12 and the gratings 11 are mounted on the upper surfaces and on the rear side of the outdoor unit, that is, near the suction section 3.

Further, in the present embodiment, the spraying device 51 is operated when the temperature of the intake air of the outdoor unit 1 exceeds a predetermined value. Therefore, the outdoor unit 1
The space where the air sucked in is distributed. For example, in the space between the outdoor unit group Q1 and the outdoor unit group Q2 in the lower outdoor unit groups P1 to P5 and Q1 to Q5, as shown in FIG. 4, for example,
A temperature sensor 54 is arranged at a height reachable by a maintenance person, and the water supply pump 52 is controlled to operate when the temperature signal from the temperature sensor 54 exceeds a predetermined value. In the present embodiment, this predetermined value (air temperature) is the outdoor unit 1
It is preferable to set the heat exchange capacity to a value below the rated value, which is usually set to about 35 to 40 ° C.

According to the second embodiment having such a configuration, when the suction air of the outdoor unit 1 exceeds a predetermined temperature, fine droplets are sprayed from the spraying device 51, and the fine droplets are immediately discharged. Evaporate. The temperature of the circulating air is lowered by the latent heat of vaporization when the fine droplets evaporate, and the suction portion 3
The temperature of the air sucked from the outdoor unit 1 to the outdoor unit 1 is lowered, and the heat exchange capacity of the outdoor unit 1 is improved.

The size of the fine droplets is preferably 100 μm or less, which is relatively easy to entrain with the air flow. By accommodating with the air flow, it becomes possible to evaporate the fine droplets more completely, and a large amount of latent heat of vaporization can be utilized.
The spraying device 51 may be mounted on the back side of the outdoor unit 1 as shown in FIG. As described above, if the temperature sensor 54 is sprayed at an ambient air temperature of 35 ° C. to 40 ° C., the operation is in the middle of summer, but if corrosion is to be ensured, the fan may be coated with a corrosion resistant paint. Should be applied.

Next, a third embodiment will be described with reference to FIGS.
It will be described based on. In the third embodiment, in the arrangement system according to the second embodiment, the installation location of the spraying device 51 that sprays fine droplets is changed. That is, in the arrangement system according to the third embodiment, the lower outdoor unit groups P1 to P5
Between each outdoor unit group in Q1 to Q5 (Figs. 6 and 7),
In the upper outdoor unit groups UP1 to UP5, UQ1 to UQ5, the spraying devices 51 are intensively arranged at the longitudinal ends (FIGS. 8 and 9) of the spaces between the outdoor unit groups. Since the air in each of these spaces is the space facing the suction part 3 of the outdoor unit 1, the spraying device 5 is concentrated in the space.
If 1 is arranged, the temperature of the air passing through this cross section can be lowered. In the case of this method, since the spraying locations of fine droplets are concentrated, the piping equipment can be simplified and the maintenance of the nozzle becomes easy.

Next, a fourth embodiment will be described.
In this example, as shown in the figure, in addition to the guide plate 21 arranged in the lower stage, a pedestal 61 as a partition plate is provided at the upper edge of the outdoor unit 1 facing the lower stage. And the pedestal 6
A refrigerant pipe duct 63 for accommodating and accommodating the refrigerant pipes 62 is installed on the first unit.

On the other hand, the grating 64 for supporting the upper outdoor unit 1 is not of a size, type, or arrangement that entirely covers the upper portion of the lower outdoor unit 1 as in the previous embodiments, but the ventilation unit 65. The size, type, and arrangement are adopted so that the part corresponding to is an opening. Therefore, the ventilation part 65 in the present embodiment is a complete opening.

Further, in the outdoor unit 1 installed in the upper stage, the guide plate 31 as in the above-described embodiments is not attached, but instead a vertically standing rectifying plate or, for example, the stack 66 is attached to blow out the air. The hot air from the part 4 is blown upward as it is.

According to the fourth embodiment as described above, first, the frame 61 divides the space containing the high-temperature air, which is constituted by the lower guide plates 21 and 21 and the casing of the outdoor unit 1, into upper and lower parts. It is regulated that the high-temperature air discharged from the blowout part 3 of the lower outdoor unit 1 flows into the space below the gantry 61, that is, the facing space S1 of the outdoor unit 1. As a result, the volume of the exhaust space of the hot air, which is formed by the guide plate 21 and guided to the ventilation portion, is reduced, so that the hot air can be guided to the ventilation portion 65 more effectively. Further, since the ventilation part 65 itself is an opening, the high temperature air can be more efficiently released upward from the ventilation part 65 without suffering a pressure loss as compared with the above-described embodiment.

The pedestal 61 can also be used as various work scaffolds and maintenance scaffolds.
Alternatively, if it stands on the refrigerant pipe duct 63 located at a higher position, the maintenance and inspection of the upper outdoor unit 1 can be performed through the ventilation part 65.

In each of the above-described embodiments, the outdoor unit row and the outdoor unit group are arranged in the upper and lower two stages, but the present invention is not limited to such an upper and lower two-stage mode. ， It is also possible to support the arrangement of three or more stages. In such a case, except for the guide plates of the outdoor units arranged in the uppermost stage, the guide plates of the outdoor units arranged in the other stages are the same as the guide plates 21 of the lower outdoor unit in the above-described embodiment. By adopting such a configuration that the lower surface of a predetermined portion which is a ventilation portion of the grating 11 located above is in contact with the lower surface, a predetermined upward airflow can be formed from the lowermost outdoor unit to the exhaust of the uppermost outdoor unit. This makes it possible to prevent exhaust air from other outdoor units from flowing into the suction section of the outdoor unit at each stage.

[0046]

According to the present invention, it is possible to collectively arrange the air-cooled outdoor units with high density, and it is possible to effectively use the limited outdoor unit installation space. Further, even when the outside air temperature in summer becomes high, the heat dissipation capacity of the heat exchanger can be maintained by suppressing the rise in the intake temperature of the outdoor unit, and the COP of the air conditioner can be prevented from lowering.

[Brief description of drawings]

FIG. 1 is a side view of an arrangement system according to a first embodiment.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a plan view showing a state of arrangement in a lower stage of the arrangement system according to the first exemplary embodiment.

FIG. 4 is a side view of an arrangement system according to a second embodiment.

5 is a sectional view taken along line BB of FIG.

FIG. 6 is a plan view showing an arrangement state of a lower stage of the arrangement system according to the second exemplary embodiment.

FIG. 7 is a side view of an arrangement system according to a third embodiment.

FIG. 8 is a sectional view taken along line CC of FIG.

FIG. 9 is a plan view showing how the lower stage of the arrangement system according to the third embodiment is arranged.

FIG. 10 is a side view of an arrangement system according to a fourth embodiment.

FIG. 11 is a side view showing an arrangement of a conventional outdoor unit.

[Explanation of symbols]

1 outdoor unit 2 casing 3 Suction section 4 blowout part 11 Grating 13 Ventilation section 14 Side wall 15 doors 21, 31 Guide plate 51 spraying device 54 Temperature sensor P1 to P5 outdoor unit group (lower) Q1-Q5 outdoor unit group (lower) UP1-UP2 outdoor unit group (upper) UQ1-UQ2 outdoor unit group (upper)

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Shuichi Ishii             Kitano Man, 5-15-12 Tomuro, Atsugi City, Kanagawa Prefecture             Option 201 F-term (reference) 3L054 BA02 BA06 BB01                 3L060 AA08 CC03 DD01 EE01

Claims (10)

[Claims] 1. A system for arranging a plurality of outdoor units having a suction part on the back surface of a casing and having a blow-out part on the upper surface of the casing to blow out the air sucked from the suction part in multiple stages. The outdoor units arranged in the lower tier are arranged such that their fronts are opposed to each other, and a floor plate for installing the outdoor unit arranged in the upper tier is arranged above the outdoor unit in the lower tier, and the floor plate has a ventilation part. Is formed and the front surface of the outdoor unit arranged in the upper stage is arranged toward the airflow side that rises from the ventilation part, and the lower stage is arranged between the rear side of the blowout part of the outdoor unit in the lower stage and the floor plate. A system for arranging an outdoor unit, characterized in that a guide plate for guiding the exhaust gas from the blowout part of the outdoor unit to the ventilation part is arranged. 2. The part of the guide plate is also used as a casing of the lower outdoor unit.
The outdoor unit placement system described in. 3. The arrangement of the outdoor unit according to claim 1, wherein a partition plate is arranged between the opposed outdoor units of the lower stage and between the upper parts of the opposed outdoor units. system. 4. The spraying device for spraying fine droplets to at least the space around the suction part of the lower outdoor unit or the upper outdoor unit, according to claim 1, 2, or 3. Outdoor unit placement system. 5. The arrangement system for an outdoor unit according to claim 4, wherein the spraying device operates based on a suction temperature in a suction unit of the outdoor unit or a temperature of a space around the suction unit. 6. The outdoor unit of the upper stage is arranged such that front faces thereof face each other with an air flow rising from the ventilation section interposed therebetween. The outdoor unit placement system described. 7. The outdoor unit of the upper stage has another guide plate for directing the air blown out from the blowout portion to the airflow side rising from the ventilation portion. , 3, 4, 5 or 6, the outdoor unit arrangement system. 8. The arrangement system for an outdoor unit according to claim 7, wherein a part of the other guide plate is also used as a casing of the upper outdoor unit. 9. The floor plate is made of a plate material having a large number of air holes, and the floor plate is made of a plate material.
The outdoor unit arrangement system according to 6, 7, or 8. 10. The guide plate has a sound absorbing function, according to claim 1, 2, 3, 4, 5, 6, 7,
The arrangement system of the outdoor unit according to 8 or 9.