JPH09101057A - Floor for air conditioning having seat with air outlet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure comfortableness for an spectator in the air-conditioned zone above the floor by forming in each of the front and the back of a supporting member an air outlet which communicates with an air outlet passageway in the supporting member and through which air is emitted both frontward and backward horizontally. SOLUTION: In the front and the back of a supporting member 5 a front air outlet 13 and a back air outlet 14 which both communicate with an air outlet passageway in the supporting member 5 and through which air for air conditioning is emitted frontward and backward horizontally respectively are formed. Therefore, warm air can be led from a chamber 4 under a floor part 3, through an air passageway 7 and an air outlet passageway 12 in the supporting member 5, and to the front air outlet 13 in the front 5A and to the back air outlet 14 in the back 5B respectively of the supporting member 5; the warm air is emitted from the front air outlet 13 frontward and from the back air outlet 14 backward horizontally respectively. Accordingly, the warm air can be supplied to both a spectator sitting in a seat 6 in a specified row and another spectator sitting in a seat 6 just behind the seat through a simple constitution.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioning floor having a seat with an outlet in a large space such as an indoor sports facility, a theater or a hall.

[0002]

2. Description of the Related Art In recent years, an air conditioning system in a large space such as an indoor sports facility, a theater, and a hall is required to have a good air conditioning environment in a floor air conditioning area centering on spectator seats.

In order to achieve a good air-conditioning environment, for example, a dome-shaped structure provided with an air conditioner as shown in FIG. 9 is known. In the figure, reference numeral 101 is a dome-shaped structure, and the dome-shaped structure 101 includes a playing surface 102, a lower stand 103 fixedly inclined around the entire outer periphery of the playing surface 102, and a lower stand. An upper stand 104, which is inclined and fixed to the outside of 103, and a hemispherical dome 105 that covers the playing surface 102 are provided. Lower stand 10
3. The upper stand 104 has a spectator seat that is installed stepwise, and is a frame 1 that is configured by vertically and horizontally incorporating aggregates.
It is supported on 06.

Lower stand 103 and upper stand 104
The first air conditioner 107 is installed in between. The second air conditioner 108 is installed on the upper stand 104. Incidentally, 109 is a first seat unit, and 110 is a second seat unit. The spectators at the lower stand 103 and the upper stand 104 are warmed by the radiant heat of a panel heater (not shown) installed along the wall surfaces of the lower stand 103 and the upper stand 104, and the arena is blown with cold and warm air. Was air-conditioned by. That is,
Air conditioning is performed by the conditioned air blown downward from the first air conditioner 107, and air conditioning is performed by the conditioned air blown downward from the second air conditioner 108.

[0005]

However, in the conventional dome-shaped structure 101, the panel heater can locally cool and heat the spectator, but the occupant's floor air-conditioning area cannot be entirely cooled and heated. Also, the hemisphere dome 105
It was difficult to prevent the cold draft flowing from the top to the bottom of the roof surface or wall surface. Therefore, it has been difficult to ensure the comfort of the spectators in the air conditioning area on the floor.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide an air conditioning floor having a seat with an outlet capable of ensuring the comfort of a spectator in an air conditioning area above the floor. Is to provide.

[0007]

According to the first aspect of the present invention,
A floor portion, a chamber formed under the floor portion, a plurality of rows of support members provided on the floor portion to form an outlet passage,
The front surface of the support member includes a seat portion provided on each of the plurality of rows of support members, an air passage that penetrates the floor portion, one end of which communicates with the chamber, and the other end of which extends to an outlet passage of the support member. The rear surface is characterized in that a front air outlet and a rear air outlet that communicate with the air outlet passage of the support member and that blow out air-conditioning air horizontally and frontward are formed.

According to a second aspect of the invention, in the air-conditioning floor having the seat with an outlet according to the first aspect, the air-conditioning air is warm air with a wind speed of 0.15 to 0.5 m / sec. To do. The invention according to claim 3 is an air-conditioning floor having a seat with an outlet according to claim 1 or 2,
The floor is characterized by a stepped floor.

According to a fourth aspect of the present invention, in the air conditioning floor having the seat with an outlet according to any one of the first to third aspects, the air passage is formed in the pipe, and the tip of the pipe extends from the floor surface. It is characterized by protruding upward.
The invention according to claim 5 is an air-conditioning floor having a seat with an outlet according to any one of claims 1 to 4,
The air passage is formed perpendicular to the floor surface, and the axis of the air passage is located at a position in the range of 60% to 80% rearward from the front outlet.

[0010]

According to the first aspect of the invention, the conditioned air reaches the blowout passage of the support member from the chamber under the floor via the air passage, and further the front blowout port on the front surface of the support member is blown from the blowout passage. And to the rear air outlet on the rear surface.

The air-conditioning air is blown horizontally forward from the front air outlet and simultaneously blown horizontally rearward from the rear air outlet. In the invention according to claim 2, the wind speed is 0.15 to 5 from the front outlets related to the seats of a predetermined row.
A warm air of 0.5 m / sec is blown out in the horizontal direction, changes its direction from the horizontal direction and rises, and gently hits the spectators sitting on the seats in a predetermined row.

Further, warm air having a wind speed of 0.15 to 0.5 m / sec is blown out horizontally rearward from the rear surface outlets related to the seats in a predetermined row, changes its direction from the horizontal direction, and rises to reach a predetermined row. Hit the audience gently in the back row seat. In the invention according to claim 3, since the floor portion is a step floor, the warm air from the rear air outlet related to the seat portion of the predetermined row sits on the seat portion of the row after the predetermined row. It rises while hitting the leg of a spectator. Then, warm air that rises along the slope of the floor is entirely generated, and the cold draft that falls from above is blocked by this warm air.

In the invention of claim 4, since the air passage is formed in the pipe, and the tip of the pipe projects upward from the floor surface, the water flowing from the floor surface into the air passage is prevented. , Blocked by a pipe. In the invention of claim 5, the air passage is formed perpendicularly to the floor surface, and the axis of the air passage is located in the range of 60% to 80% rearward from the front air outlet, so that the wind speed at the rear air outlet is However, the wind speed becomes slightly faster than the wind speed at the front air outlet. Therefore,
The air velocities of the air conditioning air at the front air outlets and the rear air outlets are balanced with respect to the spectators sitting in the seats of the predetermined row and the spectators sitting in the seats of the row after the predetermined row.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 6 and 8 show an air conditioning floor (hereinafter, referred to as an "air conditioning floor") having a seat with an outlet according to an embodiment of the invention described in claims 1 to 5. A case where this air conditioning floor is applied to the dome-shaped structure of FIG. 4 and hot air is blown as air conditioning air will be described.

In FIG. 4, reference numeral 1 is a dome-shaped structure, and an air-conditioning floor 2 is installed in a spectator seat of the dome-shaped structure 1. The entire air conditioning floor 2 is shown in FIGS. 2 and 6, and its detailed structure is shown in FIGS.
In the figure, an air-conditioning floor 2 includes a floor portion 3 formed of a terrace floor, a chamber 4 formed under the floor portion 3, and a plurality of rows of support members 5 provided on the floor portion 3 (see FIGS. 2 and 2). 6 in 5 rows), and a plurality of rows of seat portions 6 respectively provided on the support member 5,
And a plurality of air passages 7.

The floor 3 is constructed by stacking PC plates 8 having an L-shaped cross section in a stepwise manner. The seat portion 6 is composed of a strip-shaped bench, and the front portion 5 of the support member 5 is provided at the front portion of the seat portion 6.
A protrusion 6A that protrudes forward from A is formed, and a protrusion 6B that protrudes rearward from the rear surface 5B of the support member 5 is formed at the rear of the seat 6. Here, since the seat portion 6 is a bench, the structure of the seat portion 6 can be simplified.

As shown in FIGS. 1, 5 and 6, the support member 5 is provided with PC boards 8 at predetermined intervals along the front-back direction of the seat 6.
A plurality of vertical girder members 9 each having a square cross section, which are fixed to the upper part;
It is mounted on the vertical girder member 9 and is composed of a pair of lateral girder members 10, 10 along the longitudinal direction. The end faces of the cross beam members 10 and 10 are covered with cover plates 11 and 11. Lower surface 6 of seat 6
C, the two vertical girder members 9, 9 and the flat space surrounded by the floor surface 8A form an outlet passage 12.

In FIGS. 1, 3 and 5, the supporting member 5
The front surface 5 </ b> A surrounded by the lower surface 10 </ b> A of the horizontal girder member 10, the side surfaces 9 </ b> A, 9 </ b> A of the vertical girder members 9, 9 and the floor surface 8 </ b> A forms the front air outlet 13. The front outlet 13 is the outlet passage 1
The hot air with a wind speed of 0.25 m / sec is blown out forward in the horizontal direction. Similarly, the support member 5
The rear surface 5 </ b> B surrounded by the lower surface 10 </ b> A of the horizontal girder member 10, the side surfaces 9 </ b> A, 9 </ b> A of the vertical girder members 9, 9 and the floor surface 8 </ b> A forms the rear surface outlet 14. The rear outlet 14 is the outlet passage 1
The hot air with a wind speed of 0.25 m / sec is blown to the rear in the horizontal direction.

The air passage 7 is formed in the pipe 7A. The pipe 7A penetrates the PC plate 8 of the floor 3, one end communicates with the chamber 4, and the tip 7B of the pipe 7A has a floor 8.
It protrudes upward from A. This prevents water from flowing into the air passage 7 from the floor surface 8A. The tip 7B of the pipe 7A is connected to the outlet passage 12 of the support member 5.
The air blowing path for supplying warm air from the chamber 4 to the front air outlet 13 and the rear air outlet 14 through the air passage 12 is simple.

The air passages 7 are formed perpendicularly to the floor surface 8A, and the air passages 7 are arranged in a number corresponding to the number of spectators, and the pitch between the air passages 7 is 0.45 m. The axis L of the air passage 7 is located at a distance of 70% rearward from the front air outlet 13. The operation of the embodiment of the present invention will be described. For example, in winter, warm air with a temperature of about 30 ° C. to 35 ° C. is blown out from the front surface outlet 13 and the rear surface outlet 14 with respect to the dome temperature of about 10 ° C. The wind velocity of the warm air is 0.25 m / sec, and the opening area of the front air outlet 13 and the rear air outlet 14 is 45 cm in width × 3.5 cm in height of the girder member 9 = 157.5 cm ² / per person. The flow rate is 35 m ³ / hour per person.

As shown in FIGS. 1 and 2, the warm air is blown horizontally forward from the front outlets 13 associated with the seats 6 in a predetermined row under the above-mentioned conditions, changes its direction from the horizontal direction, and rises.
Hit the spectator M1 sitting on the seat 6 in a predetermined row gently. The warm air W1 blown from the front air outlet 13 is used as primary air, and indoor air (secondary air) W2 is added to this primary air.
Are attracted and mixed.

Further, warm air is blown horizontally rearward from the rear surface outlets 14 associated with the seats 6 in a predetermined row, turns from the horizontal direction and rises to become an ascending airflow W3, which is an ascending airflow W3. Audience M sitting in seat 6 in the back row
Hit 2 gently. In this case, since the floor portion 3 is a stepped floor, the warm air from the rear surface outlet 14 related to the seat portion 6 in the predetermined row is sitting on the seat portion 6 in the row after the predetermined row. It rises while hitting the leg of the spectator M2.

Here, the air passage 7 is formed perpendicularly to the floor surface 8A, and the axis L of the air passage 7 is located at a distance of 70% rearward from the front air outlet 13, so that a predetermined row is formed. The wind speed at the rear air outlet 14 relating to the seat portion 6 becomes slightly higher than the wind speed at the front air outlet 13. Therefore, the wind speeds are balanced for the spectators M1 who are seated in the seats 6 in the predetermined row and the spectators M2 who are seated in the seats 6 in the row after the predetermined row. The distance from the rear air outlet 14 to the spectator M2 sitting in the seat 6 in the rear row of the predetermined row is longer than the distance from the front outlet 13 to the spectator M1 sitting in the seat 6 in the predetermined row. Because it has become.

Further, the warm air not only flows from the front air outlet 13 and the rear air outlet 14 toward the spectators M1 and M2 as shown in FIG. 2, but also by the experiment, as shown in FIG.
Has been confirmed to flow over the entire area. That is,
In the figure, a spiral flow F1 is generated in the lower part 3A of the floor 3, and the spiral flow F1 gradually diffuses upward and along the slope of the floor 3 of the upper part 3B of the floor 3. It becomes a flow F2 toward the direction. The cold draft coming down from the roof of the dome-shaped structure 1 is blocked by the flow F2, and the spectators including the spectators M1 and M2 are surrounded by warm air.

According to the above construction, the warm air is blown from the chamber 4 below the floor 3 through the air passage 7 and the blowing passage 12 of the supporting member 5 to the front surface outlet 13 and the rear surface of the front surface 5A of the supporting member 5. 5B can be guided to the rear surface outlet 14 and blown out horizontally from the front surface outlet 13 at the same time as being blown out horizontally rearward from the rear surface outlet 14. Therefore, the warm air can be simultaneously supplied to the spectators sitting on the seats 6 of a predetermined row and the spectators sitting on the seats 6 of the row after the row with a simple structure.

Further, hot air with a wind speed of 0.25 m / sec is horizontally forward and backward from the front outlet 13 of the front surface 5A and the rear outlet 14 of the rear surface 5B of the supporting member 5 related to the seats 6 in a predetermined row. The warm air is gently applied to the spectators M1 sitting in the seats 6 in a predetermined row and the spectators M2 sitting in the seats 6 in the row after that row. You can Therefore, it is possible to prevent the warm air from making the spectators M1 and M2 sitting in the seat 6 feel uncomfortable and to obtain a good air conditioning environment in the floor air conditioning area centering on the spectator seats.

Further, the seat portion 6 is warmed by warm air and the seat portion 6 is heated.
On the other hand, a heating effect can be obtained, and a good air-conditioning environment can be obtained. Since the front surface outlet 13 and the rear surface outlet 14 are provided on the support member 5 different from the seat portion 6, the structure of the seat portion 6 can be simplified and the cost can be reduced. In addition, in the embodiment of the invention described in claims 1 to 5, the wind speed of the warm air is 0.25 m / s.
The case of warm air is 0.
Even in the case of 15 to 0.5 m / sec, the warm air is gently applied to the spectators M1 and M2, which prevents the spectators M1 and M2 from feeling uncomfortable airflow. In this case, the upper limit is 0.5 m / sec and the lower limit is 0.15 m / sec.
Is set by a statistical sensory check by a large number of people. That is, when the upper limit value of 0.5 m / sec is exceeded, a rapid flow of warm air is felt and the amount of dust rising is significantly increased. In this case, as shown in FIG.
The projection 6A of the seat 6 has a wind direction plate 6 called a so-called front sled.
By providing C, the wind direction plate 6C can prevent the wind from directly hitting the knees of the spectator. Also, when the lower limit value is 0.15 m / sec or less, it is not felt that warm air is blowing, the heating effect is reduced, and the wind speed of warm air is 0.15 to 0.15 m / sec.
It is said to be comfortable in the range of 0.5 m / sec.

Further, in the embodiments of the invention described in claims 1 to 5, the case where the hot air as the air for air conditioning is blown has been described, but it is also applicable to the case where the cool air is blown as the air for air conditioning. That is, in the summer, the temperature in the dome is about 30 ° C to 35 ° C, and 15 ° C
Temperature generated by an air conditioner with well water at a temperature of about 22
Front air outlet 13, rear air outlet 1
Even when blown out from 4, the effect that the cool air flows from the front air outlet 13 and the rear air outlet 14 toward the spectators M1 and M2 is produced. Further, in this case, as shown in FIG. 7, the protruding portion 6B of the seat portion 6 protruding rearward from the rear surface 5B of the support member 5 is formed.
Is a resistance part 6 consisting of a protrusion for rectifying the cool breeze obliquely downward.
D can also be provided. As a result, the rear air outlet 14
The cool breeze blown out from is rectified by the resistance portion 6D, hits the floor surface 8A, is reflected, and rises. Therefore, the cool air from the rear surface outlets 14 associated with the seats 6 in the predetermined row gently hits the legs of the spectator M2 (shown in FIG. 2) sitting in the seats 6 in the row after the predetermined row, and this As a result, the legs of the spectator M2 can be prevented from being too cold. The resistance portion 6D may be composed of a member having an inclined surface facing downward.

Further, in the embodiment of the invention described in claims 1 to 5, the axis L of the air passage 7 is located at a position 70% rearward from the front air outlet, The axis L of 7 is from the front outlet 13 to the rear 6
If it is located in the range of 0% to 80%, the wind speed can be balanced with respect to the spectators who are sitting in the seats of a predetermined row and those who are seated in the row after the predetermined row. Has been confirmed by experiments.

[0030]

According to the first aspect of the present invention, the conditioned air is blown from the chamber below the floor through the air passage and the blowing passage of the support member to the front face outlet of the support member and the rear face of the rear member. At the same time as leading to the outlet and blowing out horizontally from the front outlet, it can be blown horizontally rearward from the rear outlet.

Therefore, for a spectator sitting in the seat of a given row and a spectator sitting in the seat of the row after that row,
Air for air conditioning can be supplied simultaneously with a simple structure. According to the second aspect of the present invention, warm air having a wind speed of 0.15 to 0.5 m / sec is horizontally forward from the front air outlet of the front surface and the rear air outlet of the rear surface of the support member related to the seats of the predetermined row. And, since it is blown out toward the horizontal rear, warm air can be gently applied to the spectators sitting in the seats of a predetermined row and those sitting in the seats of the row after that row. it can. Therefore, it is possible to prevent the warm air from being felt by the audience as an unpleasant airflow, and to obtain a good air conditioning environment in the floor air conditioning area centering on the audience seats.

Further, the seat portion can be warmed by the warm air and a heating effect can be obtained for the seat portion, so that a good air conditioning environment can be obtained. Further, since the front air outlet and the rear air outlet are provided on the support member different from the seat portion, the structure of the seat portion can be simplified and the cost can be reduced. According to the invention of claim 3, since the floor portion is a step floor, the warm air from the rear surface outlet related to the seat portion of the predetermined row sits on the seat portion of the row after the predetermined row. It is possible to hit the legs of a spectator who is currently rising, and to raise warm air to the spectators in the subsequent rows.

In addition, warm air that rises along the slope of the floor is generated as a whole, and this warm air can block the cold draft that is falling from above and wrap up the audience with warm air. . According to the invention described in claim 4, since the air passage is formed of a pipe and the tip of the pipe projects upward from the floor surface, it is possible to prevent water from flowing from the floor surface into the air passage.

According to the fifth aspect of the present invention, the air passage is formed perpendicular to the floor surface, and the axial line position of the air passage is in the range of 60% to 80% rearward from the front air outlet. , The wind speed at the rear air outlets associated with the seats in a predetermined row becomes faster than the wind speed at the front air outlets. Therefore, it is possible to balance the wind speed with respect to the spectators who are sitting in the seats of a predetermined row and the spectators who are sitting in the seats of the row after the predetermined row, and to obtain a good air-conditioning environment. it can.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a main part of an air-conditioning floor according to an embodiment of the invention described in claims 1 to 5.

FIG. 2 is a cross-sectional view showing the air conditioning floor.

FIG. 3 is a front view showing a front air outlet as viewed in the direction of arrow K in FIG.

FIG. 4 is a plan view showing the inside of a dome-shaped structure provided with the floor for air conditioning.

FIG. 5 is a perspective view showing a main part of the air conditioning floor.

FIG. 6 is a plan view showing the air conditioning floor.

FIG. 7 is a cross-sectional explanatory view showing a means for changing the flow of hot air from the rear outlet in the blowing direction.

FIG. 8 is an explanatory diagram showing an overall flow of warm air.

FIG. 9 is a cross-sectional view of a conventional dome-shaped structure provided with an air conditioner.

[Explanation of symbols]

 2 floor for air conditioning 3 floor 4 chamber 5 support member 5A front surface 5B rear surface 6 seat portion 7 air passage 7A pipe 7B tip 8A floor surface 12 outlet passage 13 front outlet 14 rear outlet

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshiaki Higuchi 1-5 Otsuka, Inzai-cho, Inba-gun, Chiba Incorporated Takenaka Corp. Technical Research Institute (72) Inventor Keiaki Takai 8-2-1 Ginza, Chuo-ku, Tokyo No. Incorporated Takenaka Corporation Tokyo Main Store (72) Inventor Megumi Sometsuji 8-21 Ginza, Chuo-ku, Tokyo Incorporated Takenaka Corporation Tokyo Main Store

Claims (5)

[Claims] 1. A floor portion, a chamber formed under the floor portion, a plurality of rows of support members provided on the floor portion to form blowout passages, and a plurality of rows of support members, respectively. It has a seat portion provided, and an air passage that penetrates the floor portion, one end of which communicates with the chamber, and the other end of which extends to the blowing passage of the supporting member. An air-conditioning floor having a seat with an air outlet, characterized in that a front air outlet and a rear air outlet that communicate with a passage and blow out air-conditioning air are formed horizontally forward and rearward. 2. The air velocity for air conditioning is 0.15 to 0.5 m /
The air conditioning floor having a seat with an outlet according to claim 1, characterized in that the air is warm air of sec. 3. The air conditioning floor having a seat with an outlet according to claim 1, wherein the floor portion is a step floor. 4. The air conditioner having a seat with an outlet according to claim 1, wherein the air passage is formed in the pipe, and the tip of the pipe projects upward from the floor surface. Floor. 5. The air passage is formed perpendicularly to the floor surface, and the axis of the air passage is located in the range of 60% to 80% rearward from the front air outlet. An air-conditioning floor having a seat with an outlet according to any one of 4 above.