JPH1181637A - Free access floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a free access floor capable of certainly supplying air conditioned air diffused into a room through a floor diffuser to necessary places and changeable of the diffuser positions corresponding to the transfer of the apparatus in the room, modification of partition walls or the like. SOLUTION: By using box shaped floor units U1 to U22 provided with a hollow in the interior and an opening communicating with the hollow on one of the four side plates and arranging the respective floor units U1 to U22 on the existing floor lengthwise and breadthwise, the upper plates of the floor units U1 to U22 become a floor surface 4. By arranging adjoining floor Units so that their openings may facing each other, a communicating channel allowing the hollows to communicate with each other is formed. By forming a diffuser on the upper plate of specific floor units, the communicating channel becomes an air conditioning duct.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a free access floor provided with a floor air-conditioning system.

[0002]

2. Description of the Related Art At present, most offices employ a free access floor. This free access floor has a double-floor structure in which an underfloor space is provided between an existing floor surface and a floor panel. The underfloor space accommodates OA equipment wiring cables, telephone communication cables, and the like, and is used in an office. The aim is to improve the aesthetics of the people and make them safer to walk.

[0003] In a free access floor in which a large number of large devices are installed in a room such as a computer room or a broadcasting studio, an outlet is provided in a part of the floor, and the entire area of the underfloor space is used as an air conditioning duct from the outlet. It uses a floor air-conditioning system that blows conditioned air into the room.

[0004]

However, the above-described conventional floor access air-conditioning free access floor cannot specify the direction of the conditioned air flowing through the underfloor space.
Temperature distribution tends to occur in the conditioned air at a required place, and there is an inconvenience that the blowout flow rate differs for each blowout port.

Further, in the conventional free access floor, since the position of the outlet cannot be changed after construction,
When moving indoor equipment or changing indoor partition walls, conditioned air may not be able to be blown from an optimal position.

Further, when wiring cables for a large number of OA devices and communication cables for telephones are stored on the existing floor surface, there is a possibility that the space under the floor is complicated by the cables. The present invention has been made in view of the above circumstances, and can reliably supply conditioned air blown into a room from a floor outlet to a place where the air is required, and can move equipment in the room or change a partition wall or the like. It is an object of the present invention to provide a free access floor in which the position of the floor outlet can be changed and the cables in the underfloor space can be stored neatly.

[0007]

According to a first aspect of the present invention, there is provided a free access floor having a box-like shape in which a hollow portion is provided therein and an opening communicating with the hollow portion is formed in one of four side plates. The floor units are arranged vertically and horizontally on the existing floor surface, and the upper plate of each floor unit is used as the floor surface, and the openings of the floor units are arranged adjacent to each other so that the cavities are separated from each other. An air-conditioning duct through which conditioned air passes is formed by forming a communication passage for communication and providing an outlet on an upper plate of a predetermined floor unit of the communication passage.

According to a second aspect of the present invention, in the free access floor according to the first aspect, the openings of the floor units are arranged at a position different from the air conditioning duct or at a position crossing the air conditioning duct. A communication path for communicating the cavities with each other is formed by adjoining each other, and the communication path is a cable storage path for storing a wiring cable of an OA device, a communication cable of a telephone, and the like.

Further, the invention according to claim 3 is the invention according to claim 2.
In the free access floor described above, a cable connection outlet was provided on an upper plate of a predetermined floor unit constituting the cable storage path.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the free access floor according to the present invention will be described with reference to the drawings.

FIG. 1 shows a free access floor according to the first embodiment. This free access floor has a rectangular parallelepiped box-shaped floor unit U provided with a cavity, and is arranged vertically and horizontally on the existing floor surface 2.
The upper surface of each floor unit U is a floor surface 4, and the floor units U having openings in the side plates are arranged adjacent to each other so that the cavities of the floor units U communicate with each other, and the air conditioning ducts D ₁ , D ₂ and Cable storage path K ₁ ,
K ₂ and K ₃ are provided below the floor surface 4.

That is, the air conditioning duct D ₁ is provided with floor units U ₁ , U ₂ , U ₃ , U ₄ , U ₅ , U ₆ , U _7.
It consists of. As shown in FIG. 3, the floor unit U ₁ has a structure in which openings 10 a and 10 b are formed in both side plates in the longitudinal direction and communicate with each other in the longitudinal direction via the cavity 12. An outlet 14 is formed in the upper plate of the floor unit U ₁ , and the space above the upper plate and the cavity 12 communicate with each other through the outlet 14.

[0013] Floor unit U _2, as shown in FIG. 4, a part of the upper plate of the floor surface 4, and all the to form four openings 10a~10d structure in the longitudinal direction and the width direction of the side plate . Incidentally, the floor unit U ₂ has a unit that doubles as the cable housing passage K ₁ to be described later.

Further, the floor units U ₃ and U ₆ are shown in FIG.
As shown in FIG. 2, the upper plate is a part of the floor surface 4 and the openings 10a and 10b are formed on both side plates in the longitudinal direction. Then, as shown in FIG. 6, the floor unit U ₄ has the outlet 14 formed in the upper plate, the openings 10a and 10b formed in both longitudinal side plates, and the one side plate in the width direction. The structure has an opening 10c.

Further, the floor unit U _5, as shown in FIG. 7, the opening 10a in the longitudinal direction of the side plates, 10b to form, together form an opening 10c in the side plate in the width direction, It has a structure in which a cable connection outlet 16 is embedded in the upper plate. Here, the cable outlet 16 has a structure in which a lower insertion port (not shown) is provided on the cavity 12 side and an upper insertion port is provided on an upper surface which is a part of the floor surface 4, and extends into the cavity 12. the OA equipment cables and telephone communication cable has been provided so as to be connected to the lower side of the receptacle, the floor unit U ₅ has a unit that doubles as the cable housing passage K ₂ to be described later. Furthermore, the floor unit U ₇ is 8
As shown in FIG. 7, the upper plate is a part of the floor surface 4 and the openings 10c and 10d are formed on both side plates in the width direction.

[0016] forming the air-conditioning duct D ₁ by floor unit of the above configuration, the air-conditioning air supplied from the inlet of the code 6a is a floor unit _{U 1, U 2, U 3} , U 4
It will pass through the cavity 12 of the floor unit U ₄ 2
Branches to the direction, the cavity 12 of the floor unit U ₇ is one
Flow to the discharge port 8a ₁ through the, other flows to the discharge port 8a ₂ through the cavity 12 of the floor unit U _5, U _6. Thus, the conditioned air flowing through the air conditioning duct D ₁ because portions staying is not generated, the air-conditioned air at a constant flow rate from the air outlet 14 of the floor units U _1, U ₄ flows out toward the room.

The air conditioning duct D_TwoIs the floor
Knit U₈, U₉, U_Ten, U₁₁, U ₁₂, U₁₃Composed by
doing. Floor unit U₈, U₉, U₁₁, U₁₂Is
Use a unit with the same structure as the floor unit shown in FIG.
I use it. Also, floor unit U_Ten, U₁₃Figure 3
Use a unit with the same structure as the floor unit shown in
ing.

The floor unit having the above-mentioned structure is used for air conditioning.
Kuto D_TwoIs formed, and supplied from the inlet port 6b.
Conditioned air is supplied to the floor unit U₈, U₉, U_Ten,
U₁₁, U ₁₂, U₁₃Through the cavity 12 of the outlet 8_TwoMa
And the air conditioning duct D_TwoWhere air stays inside
Location does not occur, floor unit U_Ten, U₁₃Blowout of
A constant flow of conditioned air flows out from the outlet 14 into the room
You.

The cable storage path K ₁ is composed of floor units U ₁₄ , U ₂ and U _{15. The} floor unit U ₁₄ has the same structure as the floor unit shown in FIG. ing. Also, floor unit U
_As shown in FIG. 9, ₁₅ has a structure in which an opening 10c is formed in one side plate in the width direction and a cable connection outlet 16 is embedded in the upper plate.

[0020] The above to form a cable receiving channel K ₁ by the configuration of the floor units, cables, telephone communications cable of OA equipment which has extended from the opening 10c side of the floor unit U ₁₄ is the cavity of the floor unit U ₂ through 12, connected to the underside of the receptacle floor unit U _15.

The cable storage path K ₂ is composed of floor units U ₁₆ , U ₁₇ and U _{5. The} floor unit U ₁₆ uses a unit having the same structure as the floor unit shown in FIG. I have. Also, floor unit U ₁₇
Has a structure in which an opening 10a is formed in one side plate in the longitudinal direction and an opening 10d is formed in one side plate in the width direction, as shown in FIG.

When the cable storage path K ₂ is formed by the floor unit having the above structure, the wiring cable of the OA equipment and the communication cable of the telephone extending from the opening 10 a side of the floor unit U ₁₆ are connected to the cavity of the floor unit U ₁₇ . through 12, connected to the underside of the receptacle floor unit U _5.

Further, the cable storage path K ₃ is constituted by floor units U ₁₈ , U ₁₉ , U ₂₀ , U ₂₁ and U ₂₂ , and the floor units U ₁₈ , U ₁₉ , U ₂₀ and U ₂₁ are A unit having the same structure as the floor unit shown in FIG. 5 is used. Also, the floor unit U _18, as shown in FIG. 11, with forming an opening 10a on one side plate of the longitudinal, outlets for the upper plate to the cable connection 16
Embedded structure.

[0024] forming a cable housing passage K ₂ by the floor unit of the above configuration, the wiring cables and telephone communication cables of OA equipment which has extending from the opening 10a side of the floor unit U ₂₂ is the floor unit U _21, U ₂₀ , U ₁₉ ,
Passes through the cavity 12 of the, connected to the underside of the receptacle floor unit U _18.

[0025] Thus, the free access floor of the present embodiment forms the air-conditioning duct D _1, D ₂ communicates the cavity 12 of a plurality of floor units U, the air-conditioning duct D _1, D Since there is no place where the conditioned air flowing inside ₂ stays, the conditioned air blown out from the outlet 14 can be set to a constant flow rate.

Further, since the wiring cable of the OA equipment and the communication cable of the telephone extend in the cable storage paths K ₁ and K ₂ , the cables in the underfloor space can be stored neatly.

Further, since the floor outlets can be changed only by replacing the floor units U ₁ , U ₄ , U ₁₀ , U ₁₃ provided with the outlets 14 with other floor units, the indoor units can be changed. Even if the device is moved or the partition wall in the room is changed, the conditioned air can be blown out from the optimal position. Furthermore, the cable connection position on the floor surface 4 can be easily changed only by replacing the floor units U ₅ , U ₁₅ , and U ₁₈ provided with the cable connection outlets 16 with other floor units. So floor surface 4
It is possible to prevent the cable from being routed thereon as much as possible.

Next, FIG. 2 shows a free access floor according to the second embodiment. In the present embodiment, floor units U are arranged vertically and horizontally on a part of a well-known free access floor composed of a plurality of floor panels 30 and leg members 32 supporting each floor panel 30 from below. It is formed. Each floor unit U
Uses a unit having the same structure as that shown in FIGS.

According to this embodiment, similarly to the first embodiment, since there is no place where the conditioned air flowing in the air conditioning ducts D ₁ and D ₂ stays, the conditioned air blown out from the outlet 14 is reduced to a constant flow rate. Can be set. Further, since the floor outlets can be changed simply by replacing the floor units U ₄ and U ₁₃ provided with the outlets 14 with other floor units, the indoor units can be moved or the indoor units can be moved. Even if the partition wall is changed, the conditioned air can be blown out from the optimal position. Further, since the wiring cable of the OA device and the communication cable of the telephone extend using the space between the leg members 32, the cable in the underfloor space can be stored neatly.

[0030]

As described above, according to the first aspect of the present invention,
According to the free access floor described above, the air conditioning duct is formed by connecting the cavities of the floor units arranged adjacent to each other, and there is no place where the conditioned air flowing in the air conditioning duct stays, so the air conditioning blows out from the outlet. The air can be set to a constant flow.

Further, since the outlet of the conditioned air can be changed only by replacing the floor unit provided with the outlet with another floor unit, the indoor equipment can be moved or the indoor partition wall can be moved. Even if is changed, the conditioned air can be blown out from the optimal position.

According to the free access floor of the second aspect, in addition to the effect of the first aspect, the wiring cable of the OA equipment and the communication cable of the telephone extend in the cable storage path. The cables in the underfloor space can be stored neatly.

Further, according to the free access floor of the third aspect, in addition to the effect of the second aspect, the floor unit provided with the cable connection outlet is simply replaced with another floor unit and arranged. Since the cable connection position on the floor surface can be easily changed, it is possible to prevent cables from being routed on the floor surface as much as possible.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a free access floor according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a free access floor according to a second embodiment of the present invention.

FIG. 3 is a perspective view showing a first floor unit constituting the air conditioning duct.

FIG. 4 is a perspective view showing a second floor unit constituting an air conditioning duct and a cable storage path.

FIG. 5 is a perspective view showing a third floor unit constituting an air conditioning duct and a cable storage path.

FIG. 6 is a perspective view showing a fourth floor unit constituting the air conditioning duct.

FIG. 7 is a perspective view showing a fifth floor unit constituting a cable storage path.

FIG. 8 is a perspective view showing a sixth floor unit constituting an air conditioning duct and a cable storage path.

FIG. 9 is a perspective view showing a seventh floor unit constituting a cable storage path.

FIG. 10 is a perspective view showing an eighth floor unit constituting a cable storage path.

FIG. 11 is a perspective view showing a ninth floor unit forming a cable storage path.

[Explanation of symbols]

2 existing floor surface 4 raised floor 6a, inlet 8a ₁ of 6b conditioned air, 8a _2, 8b conditioned air outlet 10a, 10b, 10c, 10d opening 12 cavity 14 air outlet 16 outlet cable connected U ₁ ~U ₂₂ floor unit D _1, D ₂ air conditioning duct K _1, K _2, K ₃ cable housing passage

Claims (3)

[Claims] 1. A box-shaped floor unit in which a hollow portion is provided inside and an opening communicating with the hollow portion is formed in one of four side plates, and is arranged vertically and horizontally on an existing floor surface. With the upper plate of the floor unit as the floor surface, forming a communication passage through which the cavities communicate with each other by arranging and adjoining the openings of each floor unit,
A free access floor, characterized in that an air outlet is provided in an upper plate of a predetermined floor unit of the communication passage so that the communication passage is an air conditioning duct through which conditioned air passes. 2. A communication passage through which the cavities communicate with each other by arranging adjacent openings of the floor units at positions different from the air conditioning duct or at positions intersecting with the air conditioning duct. The free access floor according to claim 1, wherein the communication path is formed as a cable storage path for storing a wiring cable of an OA device, a communication cable of a telephone, and the like. 3. The free access floor according to claim 2, wherein a cable connection outlet is provided on an upper plate of a predetermined floor unit constituting the cable storage path.