JP6150990B2 - Air conditioning system - Google Patents

Description

  The present invention relates to an air conditioning system.

In a warehouse, it is common to use the space in the warehouse to the maximum by stacking the stored items using pallets.
In a warehouse that requires temperature management, it is desirable that the temperature and humidity be maintained uniformly, including the gaps between the pallets, even when the stored items are stacked on the pallets.

  In general air conditioning management in a warehouse, conditioned air from an air conditioner disposed on a floor is generally blown through a duct disposed on a ceiling. The duct is stretched around the ceiling so that air-conditioned air can reach the entire warehouse.

  However, the conventional air conditioning management method may not be able to use the space in the warehouse to the maximum extent. In other words, when the air conditioner is arranged on the floor, the floor area for arranging the stored items decreases, and when the duct is stretched around the ceiling, the stacked height of the stored items is limited.

  Particularly in a low-temperature warehouse, since low-temperature conditioned air is blown out from the air outlet formed in the duct, a cold-air draft is generated, and the airflow / temperature portion in the warehouse becomes uneven.

  Therefore, in Patent Document 1, as an air conditioning system that uniformly supplies conditioned air into a room without using a duct, an air conditioner installed at a corner of the ceiling and a plurality of air conditioners installed side by side on the ceiling in the center of the room What is provided with the conveyance fan is disclosed. In this air conditioning system, the conditioned air blown out by the air conditioner is blown to the vicinity of the diagonal position along the wall surface due to the Coanda effect, and the entire room is conditioned by a plurality of transfer fans that blow in the opposite direction to the air conditioner. Is to spread.

  In addition, the air conditioning system of Patent Document 2 uses an air conditioner capable of adjusting the blowing direction to blow cool air downward when cooling starts, and blows cold air parallel to the ceiling after cooling starts. Is supplied along the ceiling to far away in the room.

JP 2010-185586 A JP-A-9-303809

  In the air-conditioning system of Patent Document 1, when it is adopted in a wide space such as a warehouse, the distance from the air-conditioner to the diagonal position becomes large, and thus air-conditioned air may not spread. In particular, when the cool air is blown, the cool air falls to the floor side, which may make it difficult to maintain the uniformity of the temperature distribution in the room.

  Also, in the air conditioning system of Patent Document 2, there is a possibility that cold air will not spread far away due to the fall of cold air. Therefore, a temperature difference occurs between a position close to the air conditioner and a position far from the air conditioner, and it is difficult to maintain the uniformity of the room temperature.

  The present invention aims to solve the above-described problems, and makes it possible to make maximum use of the indoor space and maintain the uniformity of indoor temperature and humidity. The problem is to propose an air-conditioning system.

In order to solve the above problems, an air conditioning system according to the present invention is an air conditioner installed on a ceiling, and in a state where four sides are opened between an air outlet of the air conditioner and a front wall of the air conditioner. An air conditioning system comprising an upper fan installed on the ceiling and a panel suspended between the air conditioner and the upper fan with a gap from the ceiling, wherein the upper fan is the air conditioner The conditioned air blown out from the machine and guided by the panel and the air around the panel attracted by the Coanda effect are blown toward the front wall.

According to such an air conditioning system, the panel facing the ceiling can prevent the conditioned air blown from the air conditioner from falling in the floor direction. Moreover, since the conditioned air is guided to the upper blower while attracting the surrounding air by the Coanda effect, the influence of the frictional resistance is small.
Moreover, since the conditioned air induced by the horizontal panel is blown to the front wall by the upper blower, it is distributed to the left and right along the front wall.

  According to this air conditioning system, it becomes possible to spread the conditioned air throughout the room by the above-described action. Moreover, since it is not necessary to stretch a duct around the ceiling surface, the indoor space can be utilized to the maximum extent.

  Also, if a side fan is provided along the wall formed on the side of the air conditioner, and the fan is blown in the direction opposite to the blowing direction by the upper fan by this side fan, the air blows against the front wall and is distributed to the left and right. The conditioned air is blown in the direction opposite to the upper blower by the side blower, so that the conditioned air can flow uniformly into the room and be returned to the air conditioner.

  According to the air conditioning system of the present invention, the indoor space can be utilized to the maximum, and the uniformity of the indoor temperature and humidity can be maintained.

It is a perspective view showing an air-conditioning system concerning an embodiment of the present invention. It is a side view of the air conditioning system. It is a top view of the air conditioning system.

  The air conditioning system 1 of this embodiment maintains the uniformity of indoor temperature and humidity. As shown in FIG. 1, the air conditioner 2, the upper blower 3, the side blower 4, and the panel 5 are used. And.

  Although this embodiment demonstrates the case where the air conditioning system 1 is arrange | positioned inside the building B used as a low-temperature warehouse, the intended purpose of the building B is not limited.

As shown in FIG. 2, the air conditioner 2 is a so-called ceiling-suspended unit cooler that is suspended from a ceiling.
In the present embodiment, the entire room of the building B is uniformly cooled by the cold air (conditioned air) A discharged from the air conditioner 2.

The air conditioner 2 has a rear wall (hereinafter referred to as “rear wall W3”) such that the air outlet is directed to the front (front) wall of the air conditioner 2 (hereinafter referred to as “front wall W1”). Near the center of the room in the width direction (left-right direction).
Here, the front, rear, left and right used in the description are the directions shown in FIG.

The upper blower 3 is suspended from the ceiling between the air outlet of the air conditioner 2 and the front wall W1 of the air conditioner 2.
The upper blower 3 is arranged so that the air conditioner 2 side is an air inlet and the front wall W1 side is an air outlet.

  In the present embodiment, two upper and lower rows, three rows on the left and right, a total of six upper fans 3, 3,... Are arranged in the region of the front half of the room. The three upper blowers 3, 3, 3 in the front row and the three upper blowers 3, 3, 3 in the rear row are installed at the center in the width direction (left-right direction) of the room. In addition, the number, arrangement | positioning, etc. of upper fan 3,3, ... are not limited, What is necessary is just to set suitably according to the shape of the building B, and the capability of a machine.

  As shown in FIG. 1, the side fan 4 is disposed along the side of the air conditioner 2 (hereinafter referred to as “side wall W <b> 2”). The side blower 4 of the present embodiment is disposed in the area of the front half of the room.

  In the present embodiment, two side fans 4 are arranged side by side on the left and right side walls W2, W2, respectively, but the number and arrangement of the side fans 4 are not limited. For example, the side fans may be arranged in a plurality of stages. Moreover, in this embodiment, although the side part fan 4 is installed below the height of 1/2 of ceiling height, the installation height of the side part fan 4 is not limited.

  The side fan 4 is arranged in such a direction that the front wall W1 side is an intake port and the rear wall W3 side opposite to the front wall W1 is a blower outlet. That is, the side blower 4 is disposed so as to blow in the direction opposite to the blowing direction of the upper blower 3.

  In addition, the installation method of the side fan 4 is not limited, For example, you may fix directly to the side wall W2, and you may install in the mount fixed to the side wall W2. Further, the side fan 4 may be installed on a gantry standing on the floor, or may be suspended from the ceiling.

  The panel 5 is suspended between the air conditioner 2 and the upper blower 3 with a gap from the ceiling. In this embodiment, it arrange | positions so that the rear end of the panel 5 may become the downward vicinity of the blower outlet of the air conditioner 2, and the front end of the panel 5 may become the downward vicinity of the inlet of the upper blower 3 of a back row. The panel 5 may be disposed so as to partially overlap the air conditioner 2 and the upper blower 3.

In this embodiment, the panel 5 is installed in the rear half of the room, and the front end of the panel 5 is located near the center of the building B. The width of the panel is preferably at least larger than the width outside the air outlet of the air conditioner 2.
As shown in FIG. 1, the gap formed between the panel 5 and the ceiling is open on all sides, and when the cool air A is blown, the air a near the ceiling having a high temperature can be entrained, Contributes to uniform temperature distribution.

  According to the air conditioning system 1 of the present embodiment, the cold air A blown from the air outlet of the air conditioner 2 is guided to the upper blower 3 along the upper surface of the panel 5. At this time, since the cold air A attracts surrounding air by the Coanda effect, it has a low frictional resistance with the panel 5 and is efficiently guided toward the upper blower 3.

  The upper blower 3 blows the cool air A blown out from the air conditioner 2 and guided by the panel 5 toward the front wall W1. In this embodiment, the upper wall 3, 3,... Arranged in the front and rear rows keeps the height when blown out from the air conditioner 2 and keeps the air A from falling to the floor side while maintaining almost the height. Spray on W1.

  The cold air A blown to the front wall W1 collides with the front wall W1 and is distributed downward and to the left and right, and then flows along the front wall W1 and the side wall W2.

The cold air A flowing along the front wall W2 is blown toward the rear wall W3 by the side blowers 4, 4,.
Thus, according to the air conditioning system 1, the cold air A discharged from the air conditioner 2 can be recirculated into the room and spread throughout the room.

Since the air conditioning system 1 does not stretch the duct, the height of the storage items stacked by the pallet can be made higher than when the duct is used. Therefore, the indoor space can be utilized to the maximum extent.
Moreover, since the air conditioner 2 is suspended from the ceiling, a larger floor area can be secured than when the air conditioner 2 is installed on the floor, and the indoor space can be used effectively.

The induction of the conditioned air (cold air A) using the Coanda effect uses the upper surface of the panel 5 instead of the lower surface of the ceiling, so that the cold air A can be prevented from falling in the floor direction. Cold air A can be supplied far away. Therefore, it is possible to efficiently recirculate the cold air A and cool the entire room uniformly.
In addition, by guiding the cool air A through the panel 5, it is possible to prevent excessive cooling in the vicinity of the air outlet of the air conditioner 2.

  In addition, since the entire room is uniformly cooled, all the loads stacked via the pallet or the like can be uniformly cooled. Therefore, it is also effective for quality control of stored items in the warehouse. Even in the space between the pallets, a uniform temperature distribution can be achieved.

  In addition, since the Coanda effect can minimize the influence of frictional resistance and induce cool air, the transport amount and blowing strength of the air conditioner 2 can be made smaller than when a duct is used, and running Cost can be reduced.

  The embodiment according to the present invention has been described above. However, the present invention is not limited to the above-described embodiment, and the above-described components can be appropriately changed without departing from the spirit of the present invention.

  For example, the conditioned air blown by the air conditioning system of the present invention is not limited to cold air.

Although the said embodiment demonstrated the case where an air conditioner was arrange | positioned close to one wall, the position of an air conditioner is not limited to this. For example, you may arrange | position so that cold air may be discharged | emitted from the center of a room toward a wall.
Further, the side fan may be disposed as necessary and may be omitted.

DESCRIPTION OF SYMBOLS 1 Air conditioning system 2 Air conditioner 3 Upper fan 4 Side fan 5 Panel A Cold air (air conditioned air)
a Air near the ceiling (air near the ceiling attracted by conditioned air on the panel)
B Building W1 Front wall (front wall)
W2 Side wall (wall formed on the side)

Claims (2)

An air conditioner installed on the ceiling;
An upper blower installed on the ceiling between the air outlet of the air conditioner and the front wall of the air conditioner;
Between the air conditioner and the upper blower, an air conditioning system comprising a panel suspended with a gap from the ceiling in a state where four sides are open ,
The upper blower blows conditioned air blown out from the air conditioner and guided by the panel and air around the panel induced by the Coanda effect toward the front wall. , Air conditioning system. It has a side fan arranged along the wall formed on the side of the air conditioner,
The air conditioning system according to claim 1, wherein the side blower blows air in a direction opposite to a blowing direction by the upper blower.

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