Air supply unit, blowout sheet, air conditioning system and air conditioning method

Abstract

To provide a technology that can absorb impact when a human or object collide with an air supply unit.SOLUTION: An air supply unit to be fitted to a lower part of a lateral face of an air conditioning space includes a blowout sheet formed of a soft material and including a blowout port communicated to the air conditioning space.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an air supply unit, a blowing sheet, an air conditioning system, and an air conditioning method. [Background technology]

[0002] The introduction of air conditioning systems into gymnasiums is being promoted from the viewpoint of preventing heatstroke, etc. Conventional air conditioning systems generally used a mixed ventilation method, but recently there has been an increasing need to introduce displacement ventilation air conditioning systems (hereinafter referred to as "displacement air conditioning systems") because they have high air conditioning efficiency and have little impact on ball games such as badminton.

[0003] As an example of a displacement air conditioning system, a technology is described in which a sock duct is installed in a work area away from the side walls of a production factory and a low-velocity airflow is blown out from the sock duct to provide efficient cooling (see, for example, Patent Document 1).

[0004] As an example of a replacement air conditioning system, a technology is described in which an air diffusion port, which is a housing with a semi-cylindrical diffuser surface, is provided in the lower space of an office building and fresh air is discharged from the air diffusion port to replace indoor air with fresh air (see, for example, Patent Document 2). [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2013-15267 A [Patent Document 2] Japanese Patent Application Publication No. 4-143538 Summary of the Invention [Problem to be solved by the invention]

[0006] However, the sock duct described in Patent Document 1 is installed in a work area away from the side walls of a production factory. Therefore, if the sock duct is installed in a gymnasium, it may cause a hindrance to users of the gymnasium.

[0007] Furthermore, there is no description of the material that constitutes the air diffusion port described in Patent Document 2. Therefore, if the material that constitutes the air diffusion port is a hard member such as a steel plate, there is a risk that users of the gymnasium may collide with the air diffusion port and be injured if the air diffusion port is installed in a gymnasium.

[0008] The present invention has been made in consideration of the above problems, and has an object to provide a technology that can absorb impact when a person or object collides with an air supply unit. [Means for solving the problem]

[0009] In order to achieve the above object, one aspect of the air supply unit according to the present invention is an air supply unit attached to a lower part of a side of an air-conditioned space, the air supply unit having a blow-out sheet formed of a flexible material and including a blow-out port communicating with the air-conditioned space. According to this aspect, it is possible to absorb impact when a person or object collides with the air supply unit.

[0010] In another aspect of the air supply unit according to the present invention, the blow-out sheet has transparency. According to this aspect, the inside of the air supply unit can be checked with the blow-out sheet attached, thereby improving safety.

[0011] In another aspect of the air supply unit according to the present invention, the blow-out sheet is attached so as to approach the side surface downward. According to this aspect, the dynamic pressure in the lower part of the internal space is increased. As a result, the flow speed of the air blown out from the lower side of the air supply unit into the air-conditioned space can be increased.

[0012] In another aspect of the air supply unit according to the present invention, the blow-out sheet includes a heating blow-out sheet that is attached during heating operation and removed during cooling operation, and has a plurality of first blow-out ports provided in the lower half of the heating blow-out sheet, and a cooling blow-out sheet that is attached during cooling operation and removed during heating operation, and has a plurality of second blow-out ports provided on the entire surface of the cooling blow-out sheet. According to this aspect, efficient airflow characteristics can be easily formed during cooling operation and heating operation. Also, according to this aspect, the air blown out from the plurality of blow-out ports spreads far along the floor of the air-conditioned space. As a result, the entire living area located at the bottom of the air-conditioned space can be efficiently heated.

[0013] In another aspect of the air supply unit according to the present invention, the opening area of ​​each of the first air outlets is larger than the opening area of ​​each of the second air outlets. According to this aspect, the wind speed of the air blown out from each of the first air outlets is larger than the wind speed of the air blown out from each of the second air outlets. As a result, the living area in the air-conditioned space can be heated more efficiently.

[0014] In another aspect of the air supply unit according to the present invention, the duct mounting portion is provided at a position higher than the height of a person, includes a connection port to which an air supply duct is connected, and is formed of a steel plate, and the blow-out sheet is attached to the duct mounting portion. According to this aspect, the shape of the blow-out sheet is easily determined. Also, according to this aspect, contact of a person with the duct mounting portion is suppressed, improving safety.

[0015] In another aspect of the air supply unit according to the present invention, an airflow equalizing member is provided for equalizing the flow of air taken in from the air supply duct. According to this aspect, the air flow in the air supply unit is equalized, so that air can be blown out evenly from the multiple air outlets.

[0016] According to one aspect of the present invention, a blow-out sheet is used in an air supply unit attached to a lower part of a side surface of an air-conditioned space, the blow-out sheet being made of a flexible material and including an air outlet communicating with the air-conditioned space. According to this aspect, it is possible to absorb impact when a person or an object collides with the air supply unit.

[0017] According to one aspect of the present invention, an air conditioning system includes an air conditioner, an air supply unit attached to a lower part of a side surface of an air-conditioned space, and an air supply duct that sends air from the air conditioner to the air supply unit, the air supply unit having an outlet sheet formed of a flexible material and including an outlet communicating with the air-conditioned space. According to this aspect, the air supply unit can absorb impact when a person or object collides with the air supply unit.

[0018] According to one aspect of the air conditioning method of the present invention, there is provided an air conditioning method using an air supply unit attached to a lower part of a side surface of an air-conditioned space, the air supply unit having a blow-out sheet formed of a flexible material and including an air outlet communicating with the air-conditioned space, and supplying air from the air outlet to the air-conditioned space. According to this aspect, it is possible to absorb impact when a person or object collides with the air supply unit. Effect of the Invention

[0019] According to one aspect of the present invention, it is possible to absorb impact when a person or object collides with the air supply unit. [Brief description of the drawings]

[0020] [Figure 1] FIG. 2 is a perspective view showing an example of an air supply unit according to the embodiment; [Diagram 2] FIG. 1 is a side view illustrating an example of an air supply unit according to an embodiment; [Diagram 3] FIG. 1 is a perspective view showing an example of a duct mounting portion; [Figure 4] A diagram showing an example of a heating sheet [Diagram 5] FIG. 1 shows an example of a cooling sheet [Figure 6] FIG. 13 is a perspective view showing another example of the air supply unit of the embodiment; [Figure 7]FIG. 11 is a side view showing another example of the air supply unit of the embodiment. [Figure 8] FIG. 1 is a plan view showing an example of an air conditioning system including an air supply unit according to an embodiment; [Figure 9] FIG. 1 is a cross-sectional view showing an example of an air conditioning system including an air supply unit according to an embodiment; [Figure 10] FIG. 13 is a perspective view showing another example of an air conditioning system including the air supply unit of the embodiment. [Figure 11] FIG. 13 is a perspective view showing yet another example of an air conditioning system including the air supply unit of the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0021] Hereinafter, non-limiting exemplary embodiments of the present invention will be described with reference to the accompanying drawings. In all of the accompanying drawings, the same or corresponding members or parts are designated by the same or corresponding reference numerals, and duplicated descriptions will be omitted.

[0022] [Air supply unit] (Overall composition) An example of an air supply unit according to an embodiment will be described with reference to Fig. 1 and Fig. 2. Fig. 1 is a diagram of the air supply unit according to the embodiment as seen obliquely from the front side. Fig. 2 is a diagram of the air supply unit according to the embodiment as seen from the side.

[0023] The air supply unit 1 is provided in an air-conditioned space P. The air-conditioned space P may be, for example, a gymnasium, an office, a computer room, a guest room, a banquet hall, an amusement park, a printing room, a hospital room, a toilet, a kitchen, a machine room, a boiler room, a factory, etc., and is partitioned by a floor P1, a side wall P2, and a ceiling (not shown). The air supply unit 1 is attached to the lower part of the side of the air-conditioned space P. For example, the air supply unit 1 is installed on the floor P1 and attached to the side wall P2. However, the air supply unit 1 may also be attached away from the floor P1. This makes it easier to clean the floor P1.

[0024] The air supply unit 1 has a duct mounting portion 11, a support portion 12, a blowing sheet 13, a back sheet 14, a bottom sheet 15, a connecting member 16, and the like.

[0025] The duct mounting portion 11 is formed of a steel plate. The duct mounting portion 11 is preferably provided at a position higher than the height of a person. This reduces the risk of a person coming into contact with the duct mounting portion 11, improving safety. In this embodiment, the height H1 from the floor P1 to the lower end of the duct mounting portion 11 is 2 m. Details of the duct mounting portion 11 will be described later.

[0026] The support portion 12 is formed of a steel plate. The support portion 12 is provided below the duct mounting portion 11. The support portion 12, together with the duct mounting portion 11, detachably supports the blow-out sheet 13, the back sheet 14, and the bottom sheet 15. The support portion 12 includes reinforcing members 121-124. The reinforcing members 121-124 fix the back sheet 14. The blow-out sheet 13 is detachably attached to the reinforcing members 123, 124. The reinforcing members 121-124 are, for example, L-shaped angles.

[0027] The blow-out sheet 13 includes a plurality of blow-out ports 131. The plurality of blow-out ports 131 communicate with the air-conditioned space P, and blow out the air taken in from the air supply duct 2 to the air supply unit 1 in a horizontal direction into the air-conditioned space P. Each blow-out port 131 has, for example, a circular shape. However, the shape of each blow-out port 131 is not limited thereto, and may be, for example, a rectangular shape or an elliptical shape.

[0028] The blow-out sheet 13 is made of a flexible material. Examples of the flexible material include a material softer than the duct mounting portion 11, such as soft PVC (polyvinyl chloride), tarpaulin, glass cloth sheet, vinyl sheet, shade, and shatterproof net. The blow-out sheet 13 is preferably transparent. This allows the inside of the air supply unit 1 to be checked with the blow-out sheet 13 attached, improving safety. The blow-out sheet 13 is preferably antistatic. This makes it difficult for static electricity to build up, and can suppress adhesion of dust and the like to the blow-out sheet 13. The blow-out sheet 13 is preferably flame retardant.

[0029] The blow-out sheet 13 is attached to the front side of the air supply unit 1 and has a curved surface shape that is convex toward the air-conditioned space P. The blow-out sheet 13 is attached to the duct mounting portion 11, the support portion 12, and the bottom sheet 15. This makes it easy to determine the shape of the blow-out sheet 13. The blow-out sheet 13 is preferably detachable. This allows the blow-out sheet 13 to be easily replaced. Therefore, the blow-out sheet 13 can be easily replaced in various cases, such as when the blow-out sheet 13 is damaged, when switching from heating operation to cooling operation, and when switching from cooling operation to heating operation. For example, a heating blow-out sheet 13X with excellent heating efficiency can be attached during heating operation, and a cooling blow-out sheet 13Y with excellent cooling efficiency can be attached during cooling operation. Details of the heating blow-out sheet 13X and the cooling blow-out sheet 13Y will be described later. When air is supplied to the inside of the blow-out sheet 13, a predetermined pressure is applied to the entire inside of the blow-out sheet 13, causing it to expand. This allows the impact of a person colliding with the blow-out sheet 13 to be mitigated. Moreover, the speed of air blown from each air outlet 131 can be made uniform.

[0030] The back sheet 14 is formed of a flexible material, for example the same material as the blowing sheet 13. The back sheet 14 is attached in a flat shape along the side wall P2. The back sheet 14 is preferably transparent. This allows the side wall P2 to be confirmed with the back sheet 14 attached, improving safety. The back sheet 14 is preferably antistatic. This makes it difficult for static electricity to build up, and can suppress adhesion of dust and the like to the back sheet 14. The back sheet 14 is preferably flame retardant.

[0031] The bottom sheet 15 is formed of a flexible material, for example the same material as the blow-out sheet 13. The bottom sheet 15 is attached so as to cover an opening formed near the floor P1 by the blow-out sheet 13 and the back sheet 14. The bottom sheet 15 is preferably transparent. This allows the floor P1 to be checked with the bottom sheet 15 attached, improving safety. The bottom sheet 15 is preferably antistatic. This makes it difficult for static electricity to build up, and can suppress the adhesion of dust and the like to the bottom sheet 15. The bottom sheet 15 is preferably flame retardant.

[0032] The connecting member 16 includes hook-and-loop fasteners 161-164. The hook-and-loop fasteners 161-164 detachably connect the duct mounting portion 11 and the support portion 12 to the blow-out sheet 13. The connecting member 16 may include, instead of the hook-and-loop fasteners 161-164, linear fasteners, magnets, or the like.

[0033] (Duct mounting part) An example of the duct mounting portion 11 will be described with reference to Fig. 3. Fig. 3(a) is a view of the duct mounting portion 11 seen from diagonally above the front side, Fig. 3(b) is a view of the duct mounting portion 11 seen from diagonally below the front side, and Fig. 3(c) is a view of the duct mounting portion 11 seen from diagonally above the rear side.

[0034] The duct mounting portion 11 is attached to the side wall P2 (see FIG. 1). The duct mounting portion 11 is closed at the top and open at the bottom. The duct mounting portion 11 includes a front panel 111, a rear panel 112, a ceiling panel 113, and the like.

[0035] The front plate 111 has a rectangular plate shape, and both left and right ends are bent toward the rear side and connected to the rear plate 112 .

[0036] The rear plate 112 has a rectangular plate shape, and is connected to the front plate 111 at both left and right ends. The rear plate 112 is fixed to the side wall P2 (see FIG. 1). The rear plate 112 is provided with a rear connection port 114 for connecting an air supply duct (not shown). The rear connection port 114 has a rectangular shape with a width greater than its height. However, the shape of the rear connection port 114 is not limited to this, and may be, for example, a circular shape or an elliptical shape.

[0037] Ceiling plate 113 is provided so as to cover the upper opening formed by front plate 111 and rear plate 112. Ceiling plate 113 is provided with upper connection port 115 for connecting air supply duct 2 (FIG. 1). Upper connection port 115 has an elliptical shape with a width greater than its depth. However, the shape of upper connection port 115 is not limited to this and may be, for example, a circular or rectangular shape.

[0038] In this way, the duct mounting portion 11 is provided with the rear connection port 114 and the upper connection port 115, so that the air supply duct 2 can be mounted to the air supply unit 1 regardless of whether the mounting position of the air supply duct 2 is on the rear or upper side of the air supply unit 1. The connection port on the side where the air supply duct 2 is not mounted may be blocked. Also, it is not necessary to provide either the rear connection port 114 or the upper connection port 115.

[0039] 1 and 2 show a case in which the air supply duct 2 is connected to the upper connection port 115 and no air supply duct is connected to the rear connection port 114. In the air supply unit 1 shown in FIG.

[0040] (Heating sheet) An example of the heating blow-out sheet 13X will be described with reference to Fig. 4. Fig. 4 is a diagram showing an example of the heating blow-out sheet 13X, and is a diagram showing the heating blow-out sheet 13X in a state removed from the duct mounting portion 11 and the support portion 12 as viewed from the front.

[0041] The heating outlet sheet 13X is attached during heating operation and detached during cooling operation. The heating outlet sheet 13X has a rectangular shape and includes a plurality of outlets 131X.

[0042] The multiple air outlets 131X are preferably provided in the lower half of the heating blow-out sheet 13X. Warm air is light and therefore tends to rise. Therefore, the air blown out from the air outlets rises quickly, and areas far from the air outlets are not easily heated. Therefore, by providing multiple air outlets 131X in the lower half of the heating blow-out sheet 13X, the air blown out from the multiple air outlets 131X spreads far along the floor P1 of the air-conditioned space P. As a result, the entire living area located at the bottom of the air-conditioned space P can be efficiently heated.

[0043] The opening area of ​​each outlet 131X is preferably larger than the opening area of ​​each outlet 131Y of the cooling blow-out sheet 13Y described later. When the opening area of ​​the air blown out from the outlet is large, the wind speed increases and the air spreads far, whereas when the opening area is small, the air attracts the surrounding air and is attenuated. Therefore, by making the opening area of ​​each outlet 131X larger than the opening area of ​​each outlet 131Y, the wind speed of the air blown out from each outlet 131X becomes larger than the wind speed of the air blown out from each outlet 131Y. As a result, the living area in the air-conditioned space P can be heated more efficiently. In addition, the total opening area of ​​the multiple outlets 131X is preferably the same as the total opening area of ​​the multiple outlets 131Y of the cooling blow-out sheet 13Y described later. By doing so, when a certain amount of air is supplied into the air supply unit 1, the air supply unit 1 can be inflated with the same pressure during heating and cooling.

[0044] In this embodiment, the heating outlet sheet 13X is Hishibinica (registered trademark) manufactured by Koka Tokai Plastic Co., Ltd., and has a height of 2000 mm and a width of 2000 mm. The heating outlet sheet 13X is provided with three circular outlets 131X with a diameter of 50 mm at a pitch of 200 mm in the vertical direction and five at a pitch of 200 mm in the width direction. However, the shape, size, pitch, number, etc. of the outlets 131X are not limited to these. For example, each outlet 131X is preferably circular and has a diameter of 30 mm to 200 mm.

[0045] (Cooling sheet) An example of the cooling blow-out sheet 13Y will be described with reference to Fig. 5. Fig. 5 is a diagram showing the example of the cooling blow-out sheet 13Y, and is a diagram showing the cooling blow-out sheet 13Y in a state removed from the duct mounting portion 11 and the support portion 12 as viewed from the front.

[0046] The cooling blow-out sheet 13Y is attached during cooling operation and is removed during heating operation. The cooling blow-out sheet 13Y has a rectangular shape and includes a plurality of blow-out openings 131Y. The plurality of blow-out openings 131Y are preferably provided on the entire surface of the cooling blow-out sheet 13Y.

[0047] In this embodiment, the cooling blow-out sheet 13Y is Hishibinica (registered trademark) manufactured by Koka Tokai Plastic Co., Ltd., and has a height of 2000 mm and a width of 2000 mm. The cooling blow-out sheet 13Y is provided with 167 circular blow-out ports 131Y with a diameter of 3 mm at a pitch of 12 mm in the vertical direction and 150 circular blow-out ports 131Y with a pitch of 12 mm in the width direction. However, the shape, size, pitch, number, etc. of the blow-out ports 131Y are not limited to these. For example, each blow-out port 131Y is preferably circular and has a diameter of 1 mm to 10 mm.

[0048] As described above, the air supply unit 1 of the embodiment is attached to the side wall P2 of the air-conditioned space P, and the air supply unit 1 has the blow-out sheet 13 made of a flexible material and including the blow-out port 131 communicating with the air-conditioned space P. This provides excellent shock absorption against collisions with people or objects.

[0049] Moreover, according to the air supply unit 1 of the embodiment, the blow-out sheet 13 is detachably attached to the duct mounting portion 11 and the support portion 12. This allows the blow-out sheet 13 to be replaced during heating operation and cooling operation. As a result, efficient airflow characteristics can be easily formed during both cooling operation and heating operation.

[0050] In the above embodiment, the air supply unit 1 has the duct mounting portion 11, the support portion 12, the blow-out sheet 13, the back sheet 14, the bottom sheet 15, and the connecting member 16, but is not limited thereto. For example, the air supply unit 1 only needs to have the blow-out sheet 13, and may not have one or more of the duct mounting portion 11, the support portion 12, the back sheet 14, the bottom sheet 15, and the connecting member 16. However, when the air supply unit 1 is installed on a side wall P2 having a step, it is preferable that the air supply unit 1 has the support portion 12 and the back sheet 14. This can prevent air from leaking out from between the air supply unit 1 and the side wall P2.

[0051] Moreover, it is preferable that the air supply unit 1 has an airflow equalizing member (not shown) for equalizing the flow of air taken in from the air supply duct 2. This equalizes the flow of air in the air supply unit 1, so that the air can be blown out evenly from the multiple air outlets 131. The airflow equalizing member may be, for example, an inverted cone-shaped filter or a punching metal. The inverted cone-shaped filter is a filter having a shape that becomes smaller in diameter toward the bottom. Furthermore, when the air supply duct 2 is connected to the rear connection port 114 and air flows into the air supply unit 1 in the horizontal direction, the air that has flowed in collides with the front panel 111 side, is diffused, and flows downward toward the blowing sheet 13 side. That is, the front panel 111 functions as an airflow equalizing member. In other words, the airflow equalizing member may be, for example, the front panel 111.

[0052] [Modification of Air Supply Unit] A modified example of the air supply unit of the embodiment will be described with reference to Fig. 6 and Fig. 7. Fig. 6 is a view of the modified air supply unit as seen obliquely from the front side. Fig. 7 is a view of the modified air supply unit as seen from the side.

[0053] The air supply unit 1A differs from the air supply unit 1 described above in that the blow-out sheet 13 is attached so as to face downward and approach the side wall P2. Since the other configurations are the same as the air supply unit 1, the following description will focus on the differences from the air supply unit 1.

[0054] The blow-out sheet 13 is detachably attached to the duct mounting portion 11 and the support portion 12. More specifically, the upper portion of the blow-out sheet 13 is detachably attached to the lower portion of the front plate 111 by a hook-and-loop fastener 161, and the lower portion is detachably attached to the reinforcing material 122 by a hook-and-loop fastener 162. In this way, the blow-out sheet 13 is attached so as to approach the side wall P2 facing downward.

[0055] As described above, the modified air supply unit 1A is attached to the side wall P2 of the air-conditioned space P, similar to the air supply unit 1, and the air supply unit 1A has a blow-out sheet 13 made of a flexible material and including an air outlet 131 communicating with the air-conditioned space P. This provides excellent shock absorption against collisions with people or objects.

[0056] Furthermore, according to the modified air supply unit 1A, the blow-out sheet 13 is detachably attached to the duct mounting portion 11 and the support portion 12. This allows the blow-out sheet 13 to be replaced during heating operation and cooling operation. As a result, efficient airflow characteristics can be easily formed during both cooling operation and heating operation.

[0057] Moreover, the modified air supply unit 1A forms an internal space that narrows downward by the duct mounting portion 11, the blow-out sheet 13, and the back sheet 14. In other words, the air supply unit 1A forms an internal space whose horizontal cross-sectional area decreases downward by the duct mounting portion 11, the blow-out sheet 13, and the back sheet 14. This increases the dynamic pressure at the bottom of the internal space. As a result, the flow velocity of the air blown out from the lower side of the air supply unit 1A into the air-conditioned space P can be increased.

[0058] [Air conditioning system] An air conditioning system according to an embodiment will be described. The air conditioning system according to the embodiment is a displacement ventilation type air conditioning system (hereinafter referred to as a "replacement air conditioning system"). In a displacement air conditioning system, air that is slightly lower than room temperature is supplied to a lower portion of an air conditioned space (e.g., an occupied area) at a slow air supply speed (generally 0.2 m / s or less), and the air is heated by a heating element or the like present in the air conditioned space to generate an upward flow, which carries pollutants such as dust and gas generated in the air conditioned space to the upper part of the air conditioned space. Then, the pollutants are exhausted together with the heated air from an exhaust port provided in the ceiling or the like, thereby ventilating the air conditioned space.

[0059] (Air conditioning system for gymnasiums) An air conditioning system for a gymnasium will be described as an example of an air conditioning system including the air supply unit 1 of the embodiment with reference to Fig. 8 and Fig. 9. Fig. 8 is a top view of the inside of a gymnasium Q in which an air conditioning system including the air supply unit 1 of the embodiment has been installed. Fig. 9 is a cross-sectional view of the gymnasium Q in which an air conditioning system including the air supply unit 1 of the embodiment has been installed.

[0060] A gymnasium Q is an example of an air-conditioned space P, and is partitioned by a floor Q1, a side wall Q2, and a ceiling Q3. A walkway Q4 is provided on the side wall Q2 inside the gymnasium Q. For example, a basketball goal BG is attached to the walkway Q4. An exhaust port Q5 is provided in the upper part of the side wall Q2, for example at approximately the same height as the walkway Q4.

[0061] The air conditioning system is a system for maintaining the air environment, such as temperature, humidity, airflow, and cleanliness, in an optimal state within gymnasium Q. The air conditioning system includes an air supply unit 1, an air supply duct 2, an exhaust duct 3, an air conditioner 4, and the like.

[0062] The air supply unit 1 is attached to the lower part of a side wall Q2 in the gymnasium Q. The air supply unit 1 blows out supply air SA (Supply Air) taken in from the air supply duct 2 from an outlet 131 (see FIG. 1) toward the living area in the gymnasium Q. The air supply units 1 are attached to two locations on one side wall Q2 in the longitudinal direction of the gymnasium Q and two locations on the other side wall Q2. The air supply unit 1 attached to one side wall Q2 and the air supply unit 1 attached to the other side wall Q2 are disposed, for example, facing each other. However, the arrangement and number of the air supply units 1 are not limited to this and are determined according to the shape, size, window arrangement, etc. of the gymnasium Q.

[0063] The air supply duct 2 connects the air supply unit 1 and the air conditioner 4. Thus, the supply air SA (Supply Air) produced by the air conditioner 4 is supplied to the air supply unit 1 through the air supply duct 2. In this embodiment, the air supply duct 2 is connected to the rear connection port 114 (see FIG. 3) of the air supply unit 1. Thus, air flows into the air supply unit 1 in the horizontal direction, and the flowing air collides with the front panel 111 (see FIG. 3) side, is diffused, and flows downward toward the blow-out sheet 13 (see FIG. 1). As a result, the air flow in the air supply unit 1 is made uniform, and the air can be blown out evenly from the multiple blow-out ports 131 (see FIG. 1). The air supply duct 2 is provided with a damper 5 for adjusting the air volume.

[0064] The exhaust duct 3 connects the exhaust port Q5 and the air conditioner 4. As a result, return air RA from the exhaust port Q5 is introduced into the air conditioner 4 through the exhaust duct 3. The exhaust duct 3 is provided with a damper 6 for adjusting the air volume.

[0065] The air conditioner 4 includes a filter, a cooling coil, a heating coil, a humidifier, etc., and takes in outside air OA from outside the gymnasium Q and return air RA from inside the gymnasium Q to create supply air SA. However, the air conditioner 4 may take in only outside air OA to create supply air SA, or may take in only return air RA to create supply air SA. The supply air SA is high-temperature air during heating operation and low-temperature air during cooling operation. Note that high-temperature air means air that is hotter than the air that has accumulated in the living area of ​​the gymnasium Q, and low-temperature air means air that is colder than the air that has accumulated in the living area of ​​the gymnasium Q.

[0066] In such an air conditioning system, the supply air SA created by taking in outside air OA and return air RA into the air conditioner 4 is supplied to the air supply unit 1 and blown out toward the occupant area in the gymnasium Q from the air outlet 131 (see Figure 1) of the air outlet sheet 13 attached to the air supply unit 1.

[0067] In the above air conditioning system, the exhaust port Q5 is formed in the side wall Q2 of the gymnasium Q. However, the present invention is not limited to this. For example, the exhaust port Q5 does not have to be provided.

[0068] (Air conditioning system for evacuation shelters) An air conditioning system for a shelter building will be described as another example of an air conditioning system including the air supply unit 1 of the embodiment with reference to Fig. 10. Fig. 10 is a perspective view of the inside of an example of a shelter building R in which an air conditioning system including the air supply unit 1 of the embodiment is installed, viewed from diagonally above.

[0069] The evacuation shelter building R is an example of an air-conditioned space P, and is an existing gymnasium, public hall, hall, etc., which is designated as an evacuation facility for a certain period of time in the event of a disaster and is a building that can accommodate a relatively large number of evacuees.

[0070] Inside the evacuation shelter building R, floor space (not shown) for healthy evacuees is provided, and multiple evacuation shelter tents 70 (six in the illustrated example) for accommodating infectious disease patients are installed. An air conditioning system is also installed in the evacuation shelter building R.

[0071] Each evacuation shelter tent 70 is connected to its own outdoor branch air duct 83, and each outdoor branch air duct 83 is connected to a common main air duct 82, which is connected to an outdoor air supply fan 81, thereby forming an evacuation shelter tent unit 90. In this way, the evacuation shelter building R is a building in which an existing gymnasium or the like is used as an evacuation facility, and the evacuation shelter tent unit 90 is installed inside it.

[0072] In the illustrated example, a transformer 84 (here, an up-transformer) is electrically connected to the outdoor air supply fan 81, and a voltage stepped up from 100 V to 200 V, for example, by the transformer 84 is applied to the outdoor air supply fan 81. The outdoor air supply fan 81 in the illustrated example has two air supply systems, and one end of a unique main air duct 82 is attached to each air supply system.

[0073] Three outdoor branch air ducts 83 branch off from each main air duct 82, and one end of each of the outdoor branch air ducts 83 is attached to the chamber 31 above the ceiling of the three-room shelter tent 70.

[0074] The air supplied from the outdoor air supply fan 81 flows through two main air ducts 82 in the Z1 direction, and flows through each outdoor branch air duct 83 in the Z2 direction to be supplied to the chamber 31, and is supplied to the interior of the evacuation shelter tent 70 via the chamber 31. The chamber 31 has a filter, and air purified by the filter is supplied to the interior of the evacuation shelter tent 70. The chamber 31 also has an intra-chamber fan (not shown). The intra-chamber fan has an air supply auxiliary function of supplying the air supplied to the chamber 31 in the Z2 direction by the outdoor air supply fan 81 to the interior of the evacuation shelter tent 70. The intra-chamber fan also has an exhaust function of exhausting the air inside the evacuation shelter tent 70 to the outside. The air supply auxiliary function and the exhaust function can be switched, for example, by operating a switch button (not shown) provided in the chamber 31. In addition, the number of evacuation shelter tents 70 installed in the evacuation shelter building R may be other than that shown in the example, and a single main air duct 82 may extend from the outdoor air supply fan 81, and multiple outdoor branch air ducts 83 may branch off from the single main air duct 82.

[0075] The outdoor air supply fan 81 desirably has a cooling and heating function for generating cold air and warm air as the supply air, similar to a normal air conditioner, and is configured to be able to switch to cold air or warm air of a desired temperature depending on the temperature and humidity inside the evacuation shelter building R, such as the season and time of day. The outdoor air supply fan 81 may also have an outdoor unit built in that exhausts heat generated, for example, when generating cold air inside the fan.

[0076] The outdoor air supply fan 81 has a built-in control unit (not shown) and includes a CPU (Central Processing Unit), NVRAM (Non-Volatile RAM), RAM (Random Access Memory), ROM (Read Only Memory), and HDD (Hard Disc Drive) (none of which are shown), and each unit is connected via a bus so as to be able to send and receive data. The ROM stores various programs and data used by the programs. The RAM is used as a storage area for loading programs and a work area for the loaded programs. The CPU realizes various functions by processing the programs loaded into the RAM. The HDD stores programs and various data used by the programs. The NVRAM stores various setting information and the like.

[0077] For example, the system may be configured to generate air at a temperature suitable for supply based on measurement information from a temperature sensor, a humidity sensor (neither of which are shown), and supply the air to each evacuation shelter tent 70.

[0078] In addition, an electric drum 85 is electrically connected to the transformer 84, and electrical wiring 86 extending from the electric drum 85 extends into the interior of each evacuation tent 70, and an outlet attached to the end of the electrical wiring 86 is installed inside the room.

[0079] In addition, an opening (not shown) is formed in the ceiling of the evacuation shelter tent 70, and a blocking sheet 19 having a rectangular shape in plan view is attached to block the opening. Sheets made of different materials are applied to the blocking sheet 19 according to function. Specifically, when air circulating in the Z2 direction through the outdoor branch air duct 83 is supplied into the room of the evacuation shelter tent 70 through the chamber 31, or when neither supply nor exhaust is performed, a blocking sheet formed of a transparent or translucent resin sheet or the like with light transmission is applied. On the other hand, when exhausting air from the room of the evacuation shelter tent 70 through the chamber 31, a blocking sheet having breathability is applied. By taking in outside air into the room through the blocking sheet having breathability, it is possible to eliminate the excessive negative pressure atmosphere in the room during exhaust. Examples of the blocking sheet having breathability include nonwoven fabric.

[0080] The air conditioning system is a system for maintaining optimal air conditions, such as temperature, humidity, airflow, and cleanliness, inside the evacuation shelter building R. The air conditioning system includes an air supply unit 1, an air supply duct, an exhaust duct, and an air conditioner.

[0081] The air supply unit 1 is attached to the lower part of a side wall R2 inside the evacuation shelter building R. The air supply unit 1 blows out the supply air SA taken in from the air supply duct from an air outlet 131 (see FIG. 1) toward the living area inside the evacuation shelter building R. The example of FIG. 10 shows a case where one air supply unit 1 is provided in the evacuation shelter building R, but the number of air supply units 1 is not limited to this and may be, for example, two or more.

[0082] The intake air duct, exhaust air duct, and air conditioner may be configured in the same manner as the intake air duct 2, exhaust air duct 3, and air conditioner 4 in the air conditioning system installed in the gymnasium Q described above.

[0083] In such an air conditioning system, the supply air SA created by taking in outside air OA and return air RA into an air conditioner is supplied to an air supply unit 1, and is blown out toward the living area in the evacuation shelter building R from the air outlet 131 (see Figure 1) of the air outlet sheet 13 attached to the air supply unit 1.

[0084] In the example of Fig. 10, the air supplied from the outdoor air supply fan 81 flows through the main air duct 82 and the outdoor branch air duct 83, is supplied to the chamber 31, and is supplied to the inside of the evacuation shelter tent 70 via the chamber 31. However, the present invention is not limited to this. For example, as shown in Fig. 11, the outdoor air supply fan 81, the main air duct 82, the outdoor branch air duct 83, the transformer 84, the electric drum 85, and the electrical wiring 86 may not be provided. In the example of Fig. 11, the air in the evacuation shelter building R conditioned by the above-mentioned air conditioning system is supplied to the evacuation shelter tent 70 via the chamber 31.

[0085] In the above embodiment, the air outlet 131X is an example of a first air outlet, and the air outlet 131Y is an example of a second air outlet.

[0086] The embodiments disclosed herein should be considered to be illustrative and not restrictive in all respects. The above-described embodiments may be omitted, substituted, or modified in various forms without departing from the scope and spirit of the appended claims. [Explanation of symbols]

[0087] 1,1A Air Supply Unit 2 Air supply duct 3 Exhaust duct 4 Air conditioner 11 Duct attachment part 12 Support part 13 Blowout sheet 13X Heating outlet sheet 13Y Air conditioning sheet 14 Back seat 15 Bottom sheet 16 Connecting members 31 Chamber 70 Shelter Tent 81 Outdoor air supply fan 82 Main Air Duct 83 Outdoor branch air duct 84 Trans 85 Electrician's Drum 86 Electrical Wiring 90 Shelter Tent Unit 111 Front plate 112 Back plate 113 Ceiling Panel 114 Rear connection port 115 Upper connection port 121~124 Reinforcement material 131,131X,131Y Air outlet 161~164 Hook and loop fastener OA Outdoor air P Air conditioned space P1 floor P2 side wall Q gymnasium Q1 floor Q2 side wall Q3 Ceiling Q4 Walkway Q5 Exhaust port R Evacuation building R2 side wall RA return air SA Air Supply

Claims

1. An air supply unit that is attached to a lower part of a side of an air-conditioned space, A blow-out sheet is formed from a flexible material and includes a blow-out port communicating with the air-conditioned space. Air supply unit.

2. The blowing sheet has transparency.

2. An air supply unit as claimed in claim 1.

3. The blowing sheet is attached so as to face downward and approach the side surface.

3. An air supply unit according to claim 1 or 2.

4. The blowing sheet is A heating outlet sheet that is attached during heating operation and removed during cooling operation, the heating outlet sheet having a plurality of first outlets in a lower half of the heating outlet sheet; A cooling outlet sheet that is attached during cooling operation and removed during heating operation, the cooling outlet sheet having a plurality of second outlets on an entire surface thereof; Including, An air supply unit according to any one of claims 1 to 3.

5. An opening area of ​​each of the first air outlets is larger than an opening area of ​​each of the second air outlets.

5. An air supply unit according to claim 4.

6. A duct mounting portion is provided at a position higher than the height of a person, the duct mounting portion includes a connection port to which an air supply duct is connected, and the duct mounting portion is made of a steel plate; The blowing sheet is attached to the duct mounting portion. An air supply unit according to any one of claims 1 to 5.

7. An airflow equalizing member is provided for equalizing the flow of air taken in from the air intake duct. An air supply unit according to any one of the preceding claims.

8. A blow-out sheet used in an air supply unit attached to a lower part of a side surface of an air-conditioned space, The air conditioner includes an air outlet formed of a flexible material and communicating with the air-conditioned space. Blowout sheet.

9. Air conditioners and An air supply unit attached to a lower part of a side of the air-conditioned space; an air supply duct that sends air from the air conditioner to the air supply unit; Equipped with The air supply unit has a blow-out sheet formed of a flexible material and including an air outlet communicating with the air-conditioned space. Air conditioning system.

10. An air conditioning method using an air supply unit attached to a lower part of a side of an air-conditioned space, comprising: the air supply unit has a blow-out sheet formed of a flexible material and including an air outlet communicating with the air-conditioned space; Air is supplied to the air-conditioned space from the air outlet. Air conditioning method.

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