JPH04316935A - Multi functional floor panel construction with built-in air conditioner - Google Patents

Abstract

PURPOSE:To improve the workability at site and carry out the installation work of an air conditioner on a floor by a method wherein spaces between structual beams that run parallel are used as air ducts, and the air returned from a room into a space between the structural beams is sent back to the room through spaces between other structural beams after conditioned. CONSTITUTION:Precast concrete panels 33 are laid under the H-shaped steel beams 31, which are arranged parallel at constant intervals, to form a slab 35 and ceiling materials 36 are attached below the slab 35. On the other hand, perforated panels 37 having a number of holes 39 are laid on the H-shaped steel beams 31 and floor panels 41 are supported above the H-shaped steel beams 31 by supporting stays 43. An air conditioner 45 is installed in a space 47 between the H-shaped steel beams 31, and its suction sides are made to communicate with adjacent spaces 51 and 53 between the H-shaped steel beams 31 by flexible ducts 49. The floor panels 41 covering the spaces 51 and 53 are provided with air outlets 55. In addition, the return side of the air conditioner 45 opens to the space 47 between the H-shaped steel beams, and the floor panels 41 covering the space 47 are provided with suction ports 57.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention increases the ceiling height of a living room by keeping the ceiling height from the ceiling surface to the finished floor surface low.
This article relates to a multifunctional floor slab with built-in air conditioners that improves the quality of the interior space of buildings.

0002

BACKGROUND OF THE INVENTION In recent years, air conditioning systems for general office buildings and the like can be roughly divided into two types: ceiling duct systems and underfloor air conditioning systems. The ceiling duct system supplies air from the air conditioning machine room 1 on each floor to each living room space 5 via the ceiling duct 3, as shown in FIG. A space 9 is formed at the bottom to make the floor a double structure, and the warm air and cold air supplied from the air conditioner 11 into the space 9 are sent to the living space 15 from the air outlet 13 installed at an arbitrary location on the floor panel 7. The air is blown into the living room space 15 to air condition it. In FIG. 5, 17 is an air conditioner, 19 is a blower, 21 is an outlet, and 23 is an inlet.

0003

[Problems to be Solved by the Invention] However, in the ceiling duct system, the duct 3 that sends air has a relatively large space, and since the duct 3 is drawn horizontally within the ceiling,
As shown in Fig. 7, it was necessary to pass the duct 3 through many beams 27 from the lower part of the ceiling material 25, and there was a lot of conflict between air conditioning equipment work, frame work, and ceiling finishing work, resulting in poor productivity on site. Ta. Also, from the air conditioning machine room 1 to the air outlet 2
There was a heat loss during the horizontal duct pulling distance up to 1, and there were safety problems during ceiling work, duct hanging work, etc.

On the other hand, in the underfloor air conditioning system, an outlet fan 29 is generally attached to the outlet 13 as shown in FIG.
When the outlet fan 29 is installed in this way, the floor height usually needs to be 200 mm or more, which has the disadvantage that the finished floor surface becomes high and the ceiling height from the ceiling surface to the finished floor surface becomes large. was there. The present invention was devised in view of the above circumstances, and improves the quality of the interior space of a building by keeping the ceiling height from the ceiling surface to the finished floor surface low and increasing the ceiling height of the living room. The purpose of this project is to provide a multifunctional floor slab with built-in air conditioners that improves on-site productivity, work safety, and maintenance.

[0005]

[Means for Solving the Problems] In order to achieve the above object, the multifunctional floor slab with built-in air conditioner according to the present invention has a plurality of structural beams arranged in one direction, and an upper or lower part of the structural beam. A structure consisting of a slab installed between the structural beams, an air conditioner installed between the structural beams, and a flooring or ceiling material that airtightly surrounds the slab between the structural beams, and at least one structure between the plurality of structural beams. A structure in which the space between the beams is communicated with the air supply side of an air conditioner, a conditioned air outlet is provided in the floor material or ceiling material between the structural beams, and at least one structure between the structural beams other than the structural beam where the outlet is provided. The space between the beams is communicated with the air conditioner's return side, and an inlet is provided in the flooring or ceiling material between the structural beams.

[0006]

[Operation] According to the present invention, the spaces between the structural beams of the structural beams installed in one direction function as air ducts, and the air returned from the room between the structural beams through the suction port flows into the air conditioner. The conditioned air is supplied into the room from other structural beams and through the air outlet, thereby air conditioning the room.

[0007]

Embodiments Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a cross-sectional view of a multifunctional floor slab with built-in air conditioner according to the first embodiment of the present invention. A PCa slab 35 is formed by a PCa (precast concrete) plate 33 under each H steel beam 31, and a downstairs ceiling material 36 is attached to the lower part of the PCa slab 35.

On the other hand, a panel 3 is installed above the H steel beam 31.
A large number of small holes 39 are bored in the panel 37 as shown in FIG. Further, as shown in FIG. 1, on the panel 37, a square floor panel 41 having one side having the same dimension as the center line L of the H steel beam 31 is placed at a certain distance from the panel 37. Support stay 43 placed on panel 37 along H steel beam 31
The space between the H steel beams 31 is surrounded by a PCa slab 35 and a floor panel 41, respectively, with airtightness.

Reference numeral 45 denotes an air conditioner installed between one H steel beam 31 and an adjacent H steel beam 31 in a space 47 between the H steel beams, and the air supply side of the air conditioner 45 is Flexible duct 49 passing through two H steel beams 31 sandwiching air conditioner 45
between the H steel beams 47 and the adjacent H steel beams 51,
As shown in FIG.
5 is provided. Further, the return side of the air conditioner 45 opens into the H steel beam space 47 where the air conditioner 45 is installed, and
A suction port 57 is provided in a part of the floor panel 41, and the spaces 47, 51, 53 between the H steel beams are used as a type of air duct. Furthermore, a duct 59 for introducing outside air is installed at the end of the H steel beam space 47, and the air is introduced from the room 61 into the H steel beam space 4 through the suction port 57.
The air returned to 7 is combined with outside air and sent to the air conditioner 45.
Then, the conditioned air that has been conditioned by the air conditioner 45 passes through the flexible duct 49 to the space between the H steel beams 51,
Air is supplied to the room 61 from 53.

In addition, in FIG. 1, reference numeral 63 indicates wiring for various OA equipment installed in the room 61, and the wiring 63 is laid on the panel 37. Also, in Fig. 2, 65 is the air conditioner 4.
5 is a pipe for cold and hot water, 67 is a pipe for cold and hot water from the air conditioner 45, and 69 is a pipe for humidifying water connected to the air conditioner 45. In this way, in this embodiment, the three H-steel beam spaces 47, 51, and 53 of the H-steel beams 31 installed in one direction are used as one unit as an air duct. It is sufficient to provide a plurality of units in which one unit is between the three H steel beams, and to arrange the air conditioners 45 as appropriate.

By carrying out the construction in this manner, the air between the H steel beams 4 is drawn from the interior 61 through the suction port 57 as described above.
7 flows into the air conditioner 45 together with the outside air introduced from the duct 59, and the conditioned air conditioned by the air conditioner 45 passes through the flexible duct 49 to the space between the H steel beams 51. , 53, air is supplied into the room 61 from the outlet 55, and the room 61 is air-conditioned.

According to this embodiment, the air conditioner 45 can be installed from the floor, and since there is no horizontal duct as in the past, on-site productivity and safety are improved, and the air conditioner 45 can be installed from the floor. Maintenance and updating of the machine 45 can be performed from the floor, resulting in good maintainability and updateability. Also, air conditioner 4
5 is built into the floor slab, the air conditioning machine room becomes smaller compared to conventional air conditioning equipment, and as a result, indoor efficiency improves.

Furthermore, since this embodiment uses an underfloor air conditioning system, only the living area needs to be air-conditioned, resulting in good thermal efficiency and low O
It is also highly adaptable as it is only necessary to install additional air conditioners on the floor in response to an increase in the load on equipment A. In addition, according to this embodiment, the ceiling height of the living room can be increased by keeping the thickness from the floor panel 41 to the ceiling material 36 on the lower floor low, that is, the ceiling height from the ceiling surface to the finished floor surface. As a result, the quality of the internal space of the building can be improved, and it has various advantages, such as being able to increase the number of floors for a given height.

FIG. 3 shows a second embodiment of the present invention, in which, in addition to the configuration of the first embodiment, a flexible duct 71 is passed through the H steel beam 31 to connect the space between the H steel beams 51 and the flexible duct 71. The H steel beam spaces 73 adjacent to the H steel beams 73 and the H steel beam spaces 75 adjacent thereto are communicated with each other, and the air outlet 55 is provided in a part of the floor panel 41 covering each of the H steel beam spaces 73 and 75. Provided between five H steel beams 47, 51, 53, 73
, 75 as one unit and used as an air duct.

FIG. 4 shows a third embodiment of the present invention, in which, instead of the configuration of the first embodiment, the H steel beam gap 47 and one H steel beam gap 51 adjacent to the air conditioner 45 are connected. A flexible duct 49 is used to communicate with the air supply side, resulting in a one-sided air supply structure. The other configurations in the second and third embodiments are similar to those in the first embodiment, so their explanation will be omitted here, and the same components will be designated by the same reference numerals. Displayed with.

[0016] Accordingly, each of these embodiments can achieve the intended purpose as well as the first embodiment. Although not shown in the drawings, it is of course possible to achieve the desired purpose even with a structure in which the direction of the flow of air in the supply air and the return air in each of the above embodiments is reversed. And instead of the support stay 43, horizontal members are arranged along the edge of the floor panel 41 perpendicular to the H steel beams 31, and the four corners of each floor panel are supported by support legs placed on the horizontal members. In addition to supporting the H steel beam 31, the space between the H steel beam 31 and the floor panel 41 may be airtightly partitioned by any member.

In addition, the present invention provides P on the upper part of the H steel beam.
A Ca slab may be provided, and an air conditioner may be built in between the H steel beams, and an air outlet and a suction port may be provided in the ceiling material to provide a ceiling blowing system.

[0018]

[Effects of the Invention] As described above, according to the present invention, the air conditioner can be installed from the floor, and since there is no horizontal duct as in the past, on-site productivity and safety are improved. At the same time, maintenance and updating of the air conditioner can be performed from the floor, improving maintainability and updateability. Furthermore, since the air conditioner is built into the floor slab, the air conditioning machine room becomes smaller compared to conventional air conditioning equipment, and as a result, the indoor efficiency rate improves.

Furthermore, since the present invention is an underfloor air conditioning system,
Only the living area needs to be air-conditioned, thermal efficiency is good, and OA
It is highly adaptable as it is only necessary to add air conditioners above the floor in response to an increase in equipment load. In addition, according to the present invention, the ceiling height from the ceiling surface to the finished floor surface can be kept low and the ceiling height of the living room can be increased, so the quality of the interior space of the building can be improved. It has various advantages, for example, it is possible to have a large number of floors for a given height.

[Brief explanation of drawings]

FIG. 1 is a sectional view of a multifunctional floor slab with built-in air conditioner according to a first embodiment of the present invention.

FIG. 2 is a partially cutaway plan view of the air conditioner-incorporated multifunctional floor slab shown in FIG. 1;

FIG. 3 is a sectional view of a multifunctional floor slab with built-in air conditioner according to a second embodiment of the present invention.

FIG. 4 is a sectional view of a multifunctional floor slab with built-in air conditioner according to a third embodiment of the present invention.

FIG. 5 is a schematic diagram of a conventional ceiling duct type air conditioning system.

FIG. 6 is a schematic diagram of a conventional underfloor air conditioning system.

FIG. 7 is an enlarged side view of a beam-penetrating portion of the duct.

FIG. 8 is an enlarged sectional view of the outlet of the underfloor air conditioning system.

[Explanation of symbols]

31 H steel beam 35 PCa slab 36 Ceiling material 37 Panel 41 Floor panel 45 Air conditioner 47, 51, 53 between H steel beams 55 Air outlet 57 Suction port 61 Indoor

Claims (1)

[Claims] Claim 1: Structural beams arranged in large numbers in one direction, slabs installed above or below the structural beams, air conditioners installed between the structural beams, and airtightness between the structural beams and the slabs. At least one of the plurality of structural beams is communicated with the air supply side of the air conditioner, and conditioned air is supplied to the flooring or ceiling material between the structural beams. In addition to providing an air outlet, at least one of the structural beams other than the structural beams where the air outlet is provided is communicated with the return side of the air conditioner, and an inlet is provided in the flooring or ceiling material between the structural beams. A multifunctional floor slab with a built-in air conditioner.