JPH07247709A - Air conditioning structure of seats in ascending arrangement - Google Patents

Abstract

PURPOSE:To effect changeover to cause warm conditioned air to flow near the foot of seat during heating by a method wherein an airflow guide plate is provided under the rear of a seat to guide upwards the flow of conditioned air blowing off horizontally along the rear of a seat thereby to rapidly discharge the air toward the ceiling. CONSTITUTION:A stair-shaped floor 2 is provided on a floor slab 1 and legs 4 of a large number of seats 3 are fixed to horizontal surfaces 2a of the floor 2. A feed air passage A of conditioned air is formed between the floor 2 and the floor slab 1 and a blowoff port 10 for blowing off conditioned air toward the lower rear of the seat 3 is opened at a vertical board 2b of the floor 2 to form an air conditioning structure. Between the legs 4 under the rear of the seat 3, there is provided an airflow guide plate 12 leading to a seat back 3b of the seat 3 so as to be foldable about a hinge. By this method, conditioned air blowing off horizontally from the vertical surface of the floor is caused to flow upwards along the seat back. The rising airflow is directed slightly forward of the contact surface of the feet of spectators, thereby preventing the airflow from contacting dusts attached to the floor, so that ventilation can be rapidly effected without causing the air to stay near the seats.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention is applicable to, for example, stadiums,
The present invention relates to an air conditioning structure for staircase seats in a building having staircase seats like a theater.

[0002]

2. Description of the Related Art In a large space building such as a stadium or a theater, a large number of people are accommodated and the indoor air is apt to be polluted. Therefore, it is necessary to adequately ventilate the room. Therefore, seat air conditioning may be performed. In this seat air-conditioning, an air-conditioning air supply passage is provided between a stair-like floor and a floor slab, and the air-conditioning air is blown out to the lower part of each seat through a blow-out port opened in the floor.

However, since the conditioned air blown out from the vicinity of the seat does not stay in the vicinity and needs to be quickly discharged to the ceiling side, it becomes a problem which position on the floor the air conditioning outlet is opened. ing.

[0004]

That is, as shown in FIG. 5, in this type of building, the pedestal 4 of the seat 3 is fixed to each horizontal surface 2a of the stair-like floor portion 2 arranged on the floor slab 1. The pedestal 4 is provided between the seat plate 3a of the seat 3 and the floor 2.
There is a gap corresponding to the height of the floor 2 so that the person sitting in the front seat 3 does not hinder the viewing of the person sitting in the back seat 3.
The height of the vertical surface 2b and the height of the backrest 3b of the seat 3 are set.

Further, the conditioned air is supplied toward each seat 3 side along an air supply passage A formed between the floor slab 1 and the floor portion 2 as shown by an arrow.

Therefore, as shown in FIG.
For example, when opening the air conditioning outlet 5 on the horizontal surface 2a,
In order to avoid the interference of the seat plate 3a, it is necessary to open the lower part of the front surface of the seat plate 3a, but this part also serves as a passageway for the spectators, so dust is likely to adhere to the seat plate 3a, and dust collected around the blowout port 5 and the like can be easily collected. There was a fear of directly flying up, and because the rising air of conditioned air directly touched the feet of the spectators and the air outlet was blocked, there was the drawback that comfort could not always be obtained.

Further, as shown in FIG. 5 (b), the floor 2
When the air-conditioning outlet 5 is opened on the vertical surface 2b of the above, since the airflow becomes parallel and only flows under the seat plate 3a, the airflow should rise along the back surface of the backrest 3b. It is necessary to adjust the flow direction of the air flow, and the position of the air outlet 5 is also limited. However, if the level difference of the vertical surface 2a is small, the air flow cannot be raised even with such a device, and the air flow cannot be increased randomly. There is a fear of being scattered.

The present invention has been made to solve the above problems. An object of the present invention is to add a simple structure to raise the flow of conditioned air blown out horizontally by using the back of the backrest as a guide, and promptly. It is intended to provide a staircase air-conditioning structure for passenger seats that can be discharged to the ceiling side.

Further, according to the present invention, during heating,
Another object of the present invention is to provide a staircase-type passenger seat air-conditioning structure in which warm air-conditioning air can be switched to flow to the feet.

[0010]

In order to achieve the above object, according to the present invention, a stepped floor portion provided on a floor slab, a large number of seats having pedestals fixed to a horizontal plane of the floor portion, An air conditioner including an air supply passage for conditioned air formed between a floor and a floor slab, and a blowout port that is opened in a vertical surface of the floor and blows the conditioned air toward a lower rear surface of the seat. The structure is characterized in that an airflow guide plate is provided at a lower part of the back surface of the seat.

Further, according to the present invention, the airflow guide plate may be adapted to be foldable and expandable toward the bottom surface of the seat.

Further, according to the present invention, the stepped floor portion is integral with the floor slab, and the inside of each vertical surface of the floor slab is surrounded by a partition wall so as to be parallel to the vertical surface. It is also possible to adopt a configuration in which the air outlet of the conditioned air is opened on the vertical surface.

[0013]

According to the above construction, the conditioned air blown horizontally from the vertical surface of the floor hits the airflow guide plate and rises along this surface and the back surface of the backrest continuous thereto. Since this updraft is slightly ahead of the ground of the foot of the spectator, it does not come in contact with dust adhering to the floor, and the airflow does not touch the foot or obstruct the airflow with the foot.

In the case of adopting the structure of claim 2, the conditioned air is blown forward between the pedestals by folding the airflow guide plate toward the seat bottom surface only during heating and the like, and the foot portion is struck. Heat directly.

When the structure of claim 3 is adopted, the air conditioning structure of the present invention can be applied to the floor portion integrated with the floor slab.

[0016]

Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 shows an air conditioning structure for staircase seats according to a first embodiment of the present invention. It should be noted that the same reference numerals are used for the same portions as the conventional ones, and different portions will be described by using different reference numerals.

In other words, in the present invention, the pedestal 4 of the seat 3 is fixed to each horizontal surface 2a of the stair-like floor 2 arranged on the floor slab 1 in the same manner as in the conventional case, and the seat 3
There is a gap corresponding to the height of the pedestal 4 between the seat plate 3a and the floor 2, so that a person sitting in the front seat 3 does not hinder the viewing of a person sitting in the rear seat 3. Vertical surface 2b of the floor 2
And the height of the backrest 3b are set.

Further, the conditioned air according to the present invention is a blowout port opened from the air supply passage A formed between the floor slab 1 and the floor portion 2 to a position facing the back surface of each seat 3 on each vertical surface 2b. It is supplied to the lower rear portion of each seat 3 through 10. A blow-out guide plate 10a is slanted at 45 ° to the blow-out port 10.
The angle is fixed and the blowing angle is set to 45 °.

A skirt-shaped air flow guide plate 12 is arranged between the pedestals 4 in the lower rear portion of the seat 3 so as to face the air outlet 10. As shown in an enlarged view in a part of the drawing, the airflow guide plate 12 is rotatably attached to the pedestal 4 on both upper sides thereof via a hinge shaft 14, and a spring provided around the hinge shaft 14. The spring pressure of 16 keeps the air outlet 10 in a deployed position so as to close the front obliquely, and the upper edge of the airflow guide plate 12 is integrally continuous with the lower edge of the backrest 3b of the seat 3 in the deployed position.

Therefore, in a state where the airflow guide plate 12 is expanded, the conditioned air blown out from the outlet 10 at an angle of 45 °, as shown by the arrow in FIG.
And rises along this slope, and is taken over by the back surface of the backrest 3b. Using this surface as a guide, it further rises to the upper space of the seat 3, while taking in the breath exhaled by the spectators and so on. Since the air is exhausted through the vent holes provided on the side of the seat or on the ceiling side, the air can be swiftly replaced without stagnating the air flow in the vicinity of the seat 3 or causing unnecessary convection.

That is, in this case, the backrest 3b of each seat 3 can be sufficiently utilized as an open type ventilation guide.

The air flow guide plate 12 can be folded and stored on the bottom surface of the seat plate 3a as shown in FIG. 2 against the spring pressure of the spring 16 by an operating means (not shown).

In this case, the air blown from the air outlet 10 passes through the lower surface of the seat plate 3a as shown by the arrow in the figure,
Air-conditioned air can be blown directly onto the feet of spectators sitting on it.

Therefore, in this case, it is suitable for local heating when the entire building cannot be heated, such as in an open stadium during the winter season. The conditioned air that has blown through the feet of the spectator hits the backrest 3b of the seat 3 one step lower in front of it, and is lifted and ventilated using this as a guide.

The air flow guide plate 12 is provided at the side of the seat 3 as an operation unit for folding and unfolding the air flow guide plate 12.
It is also possible to provide a lever or the like that cooperates with the so that the spectator can operate it arbitrarily, or it can be semi-fixed in either folding or unfolding depending on the air conditioning mode.

3 and 4 show a second embodiment of the present invention. The same parts as those of the first embodiment are designated by the same reference numerals, and different parts will be described by using different reference numerals.

That is, in this embodiment, the floor slab 20 directly constitutes a staircase-like seat, and the horizontal planes 20a and the vertical planes 20b are alternately continuous with a predetermined level difference. The seat 3 is fixed via a pedestal 4.

Inside each of the vertical surfaces 20b, a partition wall 21 that surrounds the vertical surface 20b is formed integrally with the vertical surface 20b in a square shape, and the space surrounded by the partition wall 21 is parallel to the vertical surface 20b. Of the air-conditioning air, and the outlet 10 for the conditioned air is opened in the vertical surface 20b.

Therefore, the conditioned air flowing in parallel with each vertical surface 20b as shown by the arrow blows out through the outlet 10, collides with the airflow guide plate 12 set on the pedestal 4 as shown by the arrow, and follows this inclination. As it rises, it is taken over by the back surface of the backrest 3b and further rises up to the upper space of the seat 3 using this surface as a guide, while climbing up to the sky while taking in the breath exhaled by the spectator, etc. It will be exhausted through the ventilation holes.

[0031]

As described above with reference to the embodiments, in the staircase passenger seat air conditioning structure according to the present invention, the conditioned air blown horizontally from the vertical surface of the floor hits the airflow guide plate, It rises along this surface and the back surface of the backrest that is continuous with it, and since this rising airflow is slightly ahead of the ground of the foot of the spectator, the airflow does not come into contact with dust adhering to the floor and Since it does not touch or obstruct the airflow with the foot, there is an advantage that swift ventilation can be performed without stagnation in the vicinity of the passenger seat.

Further, when the airflow guide plate is configured to be folded to the bottom surface of the seat plate, the airflow guide plate is folded toward the seat bottom surface during heating so that the conditioned air moves forward between the pedestals. It is suitable for local heating when the entire building cannot be heated, such as in an open stadium, because it blows air and directly heats the feet.

Further, even when the floor portion is integrated with the floor slab, the inside of each vertical surface is surrounded by a partition wall to form an air-conditioning air supply passage parallel to the vertical surface and the vertical surface is formed. This type of air conditioning structure can be adopted by forming the air-conditioning air outlet in the above.

[Brief description of drawings]

FIG. 1 is a cross-sectional explanatory view showing the flow of airflow in a staircase passenger seat air-conditioning structure according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional explanatory view showing a flow of an airflow in a state where an airflow guide plate is folded in the same structure.

FIG. 3 is a cross-sectional explanatory view showing a second embodiment in the case where the floor portion is integrated with the floor slab according to the present invention.

FIG. 4 is a sectional perspective view of the same.

5 (a) and 5 (b) are cross-sectional explanatory views showing a problem when the conditioned air is blown from a horizontal plane and a vertical plane of the floor.

[Explanation of symbols]

 1, 20 floor slab 2 floor 2a, 20a horizontal plane 2b, 20b vertical plane 3 seat 3a seat plate 3b backrest 4 pedestal 10 air conditioning outlet 12 airflow guide plate 14 hinge axis A air supply passage

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroshi Iwanami 4-640 Shimo-Seido, Kiyose-shi, Tokyo Inside Obayashi Technical Research Institute Co., Ltd. (72) Inventor Hidekazu Sato 4-640 Shimo-Seido, Kiyose-shi, Tokyo Obayashi Engineering Research Co., Ltd. In-house (72) Inventor Koichi Yamaguchi 4-640 Shimoseido, Kiyose-shi, Tokyo Obayashi Corporation Technical Research Institute

Claims (3)

[Claims] 1. A stair-like floor provided on a floor slab, a number of seats having pedestals fixed on a horizontal plane of the floor, and conditioned air formed between the floor and the floor slab. An air supply passage,
An air conditioning structure having an air outlet for opening the conditioned air toward a lower rear surface of the seat, which is opened in a vertical surface of the floor, and an air flow guide plate is provided at a lower rear surface of the seat. Air-conditioning structure with staircase seats. 2. The air conditioning structure for a staircase passenger seat according to claim 1, wherein the airflow guide plate is foldable and expandable toward the bottom surface of the seat. 3. The stepped floor portion is integrated with a floor slab, and the inside of each vertical surface of the floor slab is surrounded by a partition wall to form an air supply passage for conditioned air parallel to the vertical surface. At the same time, the air-conditioning air outlet of the conditioned air is opened in the vertical surface.