JP2013083105A - Ventilation floor unit and ventilation floor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve conveyance/construction properties and reduce costs by making an upper floor more lightweight than a conventional metallic upper floor, and to reduce nonuniformity in blowing air for conditioning out of the upper floor.SOLUTION: A ventilation floor unit comprises a rectangular upper floor plate and legs protruded downward in at least four corners of a lower surface of the upper floor plate, and gaps between the legs become air courses which are communicated in two directions orthogonal to a horizontal direction. Within the air course of the ventilation floor unit, a tunnel member in an inverted gutter shape is inserted and the tunnel member restricts air that flows in the air courses, from flowing in any other direction than the air courses.

Description

  The present invention relates to a unit for forming an upper floor of a ventilation floor for performing air conditioning by blowing air sent between an upper floor and a lower floor of a double floor into a room through the upper floor, and a ventilation floor formed using this unit.

  In recent years, a ventilation floor that performs air conditioning using a double floor has been proposed. As disclosed in Patent Document 1 below, an air vent is provided in the upper floor, air for air conditioning is sent between the upper floor and the lower floor, and this is blown into the room above the upper floor to perform air conditioning. It is. This ventilation floor has features such that there is little dust, air-conditioning air rises slowly, there is no draft feeling, and a ceiling air-conditioning duct is not required and a free ceiling space can be designed.

  The upper floor in the conventional ventilation floor has a panel that forms the upper floor and a number of legs that support the panel, and air for air conditioning can pass between the legs and the legs vertically and horizontally. It is a passage. In addition, ventilation holes are formed in all the panels. These panels and legs are conventionally made of metal or concrete.

Japanese Patent Laid-Open No. 8-302971

  In the conventional ventilation floor, a lot of air-conditioning air blows out from the upper floor surface into the room in the vicinity of the air outlet. The distribution unevenness of is large. This tendency becomes more prominent as the height between the lower floor and the upper floor is lower.

  In addition, although the conventional concrete upper floor is excellent in walking feeling after construction, it is heavy and has problems in transportation and workability, and the loading load acting on the lower floor is large, so it is not suitable for renovation work. . Metal ones are lighter than concrete ones, but are relatively expensive.

  It is an object of the present invention to make the upper floor lighter than conventional metal ones, improve transportation and workability, realize cost reduction, and reduce unevenness in air-conditioning air blowing from the upper floor. It is what.

[Claim 1]
The present invention includes an upper floor plate portion which is integrally formed of resin and has a square shape as a whole, and leg portions projecting downward at least at the four corners of the lower surface thereof, and the space between the leg portions is horizontal. In the air passage of the ventilation floor unit, which is an air passage communicating in two directions perpendicular to the direction,
The ventilated floor unit is characterized in that an inverted saddle-shaped tunnel member is inserted and the tunnel member restricts the air passing through the air passage from flowing in a direction other than the air passage.

  By arranging the ventilation floor unit of the present invention as described in claim 5 described later, the conditioned air can be sent to an appropriate place in the room and diffused by the action of the tunnel member. This can reduce the unevenness in which a large amount of air for air-conditioning blows out from the upper floor surface in the vicinity of the air blowing port, and the amount of air blown from the upper floor can be made uniform.

[Claim 2]
Further, in the present invention, the tunnel member is inserted through the entire length of the air passage, and one end of the tunnel member protrudes outward from one side of the upper floor plate portion. Is a unit.

  By comprising in this way, the edge part of a tunnel member overlaps when a unit is installed continuously, and the airtightness of the tunnel formed by continuation of a tunnel member improves.

[Claim 3]
In the present invention, a convex portion is formed on the top surface of the tunnel member, and a concave portion or a rib is formed on the lower surface of the upper floor plate portion, and the convex portion is fitted into the concave portion or the rib so that the tunnel member is It is the unit for ventilation floors of Claim 1 or 2 attached to the lower surface of a floor-plate part so that attachment or detachment is possible.

  By comprising in this way, a tunnel member can be easily attached or detached with respect to a unit. For example, the unit and the tunnel member can be easily removed and reattached even when the unit needs to be removed after installation of the unit for underfloor wiring or the like.

[Claim 4]
Moreover, this invention is a unit for ventilation floors in any one of Claims 1-3 in which the lower end of the said tunnel member exists in the height above the lower end of the said leg part.

  By doing in this way, air-conditioning air leaks a little from a tunnel, and this leaking air-conditioning air blows off from the place close to a ventilation opening. Therefore, by adjusting the height of the lower end of the tunnel member, it is possible to adjust the amount of air blown from a place near and far from the blower opening, and to further improve the uniformity of the blowout amount.

[Claim 5]
Further, the present invention is a ventilation floor unit that is integrally molded with resin and has a rectangular upper floor plate portion and a leg portion projecting downward at least at the four corners of the lower surface thereof,
The ventilation floor unit is characterized in that a shielding plate for restricting the flow of air below the upper floor portion is provided between the legs.

[Claim 6]
Moreover, this invention is a unit for ventilation floors of Claim 5 with which the flow of the air below the upper floor part was restrict | limited to one direction by the said shielding board.

  The shielding plate may be provided by attaching a sheet or a plate to the leg or the like with an adhesive (FIG. 13), or may be provided by integral molding with the unit (FIG. 14).

  The flow of air below the upper floor can be freely controlled depending on which leg part the shielding plate is provided between. FIG. 13 shows an example in which the air passage 53 is in one direction. FIG. 14 shows an example in which the air passage 53 branches from one direction to two directions.

[Claim 7]
Further, the present invention includes an upper floor plate portion that is integrally formed of resin and has a square shape in plan view, and leg portions that project downward from at least four corners of the lower surface thereof, and the upper floor plate portion is formed in a vertical direction. A ventilation floor unit (1A), which is provided with a plurality of ventilation holes penetrating through the air passage and has air passages communicating in two directions perpendicular to the horizontal direction between the leg portions, is arranged on the lower floor to form an upper floor. A ventilation floor,
The unit (1C) according to any one of claims 1 to 4 or the unit according to claim 6 is replaced with the unit (1A),
A plurality of air outlets on the wall surface between the lower floor and the upper floor are installed in a direction perpendicular to the wall surface,
The ventilation floor is characterized in that the tunnel member communicates with the wall surface in a direction perpendicular to the blower port portion.

  The ventilation floor of the present invention uses a basic unit (1A) and a unit (1C) whose air passage is restricted in one direction in combination, so that a large amount of air for air conditioning is indoors from the upper floor near the blower opening. The non-uniformity blown out is reduced, and the amount of conditioned air blown from the upper floor is made uniform.

[Claim 8]
Moreover, this invention adjoins the said unit (1C),
The whole is integrally molded with resin, and has a square upper floor plate portion and a leg portion projecting downward at least at the four corners of the lower surface thereof, and the space between the leg portions is perpendicular to the horizontal direction. A ventilation floor unit (1B) which is an air passage communicating in two directions and has no vent hole formed in the upper floor plate portion,
It is a ventilation floor of Claim 7 installed instead of the said unit (1A).

  The basic unit (1A), the unit (1C) having an air passage limited to one direction, and the unit (1B) that is a type in which the vent hole of the basic unit (1A) is not formed are used in combination. Thus, the amount of air-conditioned air blown from the upper floor can be made more uniform. The number of units (1B) to be installed is arbitrary.

  Since the ventilation floor unit of the present invention is provided with a tunnel member or a shielding plate, air-conditioned air can be sent to an appropriate place in the room and diffused from there, so that in the vicinity of the air outlet. It is possible to reduce unevenness in which a large amount of air-conditioning air blows out from the upper floor surface into the room, and to uniformize the blowout from the upper floor.

  The ventilation floor of the present invention has a structure in which the unit forming the upper floor is made of resin and has leg portions projecting downward at least at the four corners of the lower surface of the upper floor plate portion, so that the specific gravity and volume of the raw materials are reduced. Can be very light. Therefore, the unit is lightweight, excellent in transportability and workability, can be manufactured inexpensively with resin, the entire upper floor where the units are laid side by side is also extremely light, and the loading load acting on the lower floor is extremely small. Is also suitable.

  Since the unit that forms the upper floor is made of resin, even if the height of the upper floor is relatively low in order to maintain strength, by using the unit with the tunnel member in combination, air conditioning air can be blown out into the room. It is possible to reduce and make the blowout from the upper floor uniform.

It is a top view of unit 1A. It is a bottom view of unit 1A. It is the front view and side view of unit 1A. It is the sectional view on the AA line in FIG. It is the BB sectional view taken on the line in FIG. It is the top view and front view of the connecting pin 2. It is a top view of unit 1B. It is a top view of unit 1C. It is a bottom view of unit 1C. It is a side view of unit 1C. It is a perspective view of a tunnel member. It is a top view of the ventilation floor of an Example. FIG. 6 is a bottom view / side view of the unit 4. It is a bottom view and a side view of the unit 5.

Embodiments of the present invention will be described in detail with reference to the drawings.
A unit 1A shown in FIGS. 1 to 5 is a basic unit that forms the upper floor of the ventilation floor of the present invention, and has a square shape of 248 mm × 248 mm and a height of 70 to 100 mm. The unit 1A is formed by integrally molding a resin having self-extinguishing properties. The height of the unit can be about 50 to 150 mm. On the lower surface of the upper floor board 10 of the square, nine leg portions 11 arranged in a matrix at the four corners, the center of each side, and the center of the upper floor board are projected downward.

  Note that the resin material of the unit in the present invention is not limited to the self-extinguishing material.

  As shown in FIG. 3 and the like, an air passage 16 communicating between the legs 11 in the horizontal direction and in the vertical and horizontal directions is formed between the legs 11, so that when the units 1A are arranged side by side on the lower floor, A space in which the air-conditioning air can freely move in the horizontal direction is secured between the lower floor and the lower floor. In FIG. 3, the front view and the side view have the same shape.

  As shown in FIG. 4, the inside of the leg part 11 is hollow, and a cap 14 made of an elastic body such as rubber is put on the lower end. A connecting recess 12 is formed at the center of each side of the upper surface of the upper floor plate 10. In FIG. 2, shaded portions 13 are formed by hollowing out the back side so that the thickness is thin, and the white portions around the concave portions 13 are like reinforcing ribs. The recesses 13 and the cavities inside the legs can reduce the raw materials and further reduce the weight.

  The vent hole 15 has an oval shape with a width of 6 mm or less and a length of around 17 mm, and is provided in a large number so as to penetrate the upper floor board 10 vertically. In addition, the length of the vent hole can be set to a length corresponding to a desired opening ratio. The ratio (opening ratio) of the vent hole area to the surface area is 5 to 17%. In addition, this ratio can be 5 to 17%.

  Although not shown in the drawing, the surface of the upper floor plate portion 10 is provided with many shallow grooves having a depth of about 0.5 to several mm, and the air holes 15 are connected to the bottom of the grooves. .

  For example, as shown in FIG. 12, the unit 1A is laid and placed on a lower floor (such as a concrete slab of a building). A breathable finishing material (tile carpet, etc.) is installed on the upper floor formed by the unit.

  A connecting pin 2 (FIG. 6) is inserted into the connecting recess 12 of the adjacent unit 1A to fix the mutual positional relationship. The connecting pins do not necessarily have to be applied to all adjacent units, and may be applied at a pitch of 1000 mm, for example.

  The unit 1B shown in FIG. 7 has the same structure as the unit 1B except that the vent hole 15 is not formed.

  The unit 1C shown in FIGS. 8 to 10 is obtained by inserting the tunnel member 3 (FIG. 11) through the air passage 16 of the floor unit 1B in the same direction as the air passage. The tunnel member 3 restricts the air passing through the air passage from flowing in directions other than the air passage.

The tunnel member 3 is formed by molding a self-extinguishing resin sheet into an inverted bowl shape. This sheet can be easily cut with scissors. A convex portion 31 is provided on the top surface, and the convex portion 31 is fitted in the concave portion 13 on the lower surface of the upper floor plate portion and is detachably attached. The tunnel member 3 is inserted through the entire length of the air passage 16, and one end of the tunnel member 3 protrudes outward from one side of the upper floor plate portion. The protrusion amount is suitably about 5 to 30 mm.
In addition, a cut may be provided in the convex portion 31, and a rib on the lower surface of the upper floor plate portion may be fitted into the cut.

  As shown in FIG. 10, the lower end of the tunnel member 3 is higher than the lower end of the leg portion 11 by t. As a result, a gap t is created between the tunnel member 3 and the lower floor, and the conditioned air leaks from the gap to both sides of the tunnel and is sent out from the upper floor into the room. By adjusting the amount of t, it is possible to adjust the distribution of the amount of conditioned air blown from the upper floor.

  FIG. 12 is an example of an upper floor formed by installing units 1A, 1B, and 1C in a room. The surroundings are walls, and one air-conditioned air outlet is provided. 2 rows × 6 units 1C are arranged in a direction perpendicular to the wall surface with the air outlet, and 2 rows × 2 units 1B are arranged adjacent to the tip. Others are unit 1A.

A tunnel is formed under the upper floor by connecting the tunnel members of the plurality of units 1C. In FIG. 12, the position of the tunnel is indicated by shading.
The conditioned air passes through the tunnel and diffuses from the position of the unit 1B at the end of the tunnel to the surroundings. In addition, some conditioned air leaks and diffuses between the tunnel and the lower floor to both sides of the tunnel. Thereby, the distribution of the amount of conditioned air blown from the upper floor is made uniform.

  In addition, a ventilation port is not restricted to one place, There may be a plurality. The arrangement and the number of units C are not limited to the embodiment shown in FIG. 12, and can be freely set in consideration of the air flow from the blower opening.

In the above embodiment, the tunnel member is attached to the unit 1B, but it can also be attached to the unit 1A.
Further, the method of attaching the tunnel member is not limited to the embodiment, and the tunnel member can be formed integrally with the unit 1A or the unit 1B.

The unit 4 shown in FIG. 13 has nine legs 41 arranged in a matrix at the four corners, the center of each side, and the center of the upper floor board on the lower surface of the square upper floor board 40 facing downward. Projecting. A shielding plate 42 is bonded to an appropriate portion between the leg portions 41 to restrict the air passage 43 (arrow) in one direction. As shown in the side view (lower stage) of FIG. 13, the shielding plate 42 may have a lower end higher than the lower end of the leg portion 41. By doing in this way, air-conditioning air leaks a little from an air passage, and this leaked air-conditioning air blows off from the place close to a blower opening. Therefore, by adjusting the height of the lower end of the shielding plate, it is possible to adjust the amount of air blown from a place near and far from the blower opening, and to further improve the uniformity of the blowout amount.
In the bottom view of FIG. 13, the legs are represented by shading.

The unit 5 shown in FIG. 14 has nine legs 51 arranged in a matrix at the four corners, the central part of each side, and the central part of the upper floor board part on the lower surface of the square upper floor board part 50. Projecting. A shielding plate 52 is provided at an appropriate location between the leg portions 51 to restrict the air passage 53 (arrow) to branch from one direction to two directions. The shielding plate 52 is formed integrally with the unit.
In the bottom view of FIG. 14, the legs and the shielding plate are represented by shading.

  Thus, by appropriately selecting the position where the shielding plate is provided, the direction of air flow can be freely controlled.

  The vent floor unit of the present invention includes a unit in which a part of the upper floor plate part is a lid that can be opened and closed.

DESCRIPTION OF SYMBOLS 1A unit 1B unit 1C unit 10 Upper floor board part 11 Leg part 12 Connection recessed part 13 Recessed part 14 Cap 15 Ventilation hole 16 Air passage 2 Connection pin 3 Tunnel member 31 Projection part 4 Unit 40 Upper floor board part 41 Leg part 42 Shielding board 43 Air passage 5 Unit 50 Upper floor board part 51 Leg part 52 Shielding board 53 Air passage

Claims (8)

The whole is integrally molded with resin, and has a square upper floor plate portion and a leg portion projecting downward at least at the four corners of the lower surface thereof, and the space between the leg portions is perpendicular to the horizontal direction. In the air passage of the ventilation floor unit that is an air passage communicating in two directions,
A ventilating floor unit characterized by inserting an inverted saddle-shaped tunnel member and restricting the passage of air through the air passage in a direction other than the air passage by the tunnel member. The ventilation floor unit according to claim 1, wherein the tunnel member is inserted over the entire length of the air passage, and one end of the tunnel member protrudes outward from one side of the upper floor plate portion. A convex portion is formed on the top surface of the tunnel member, and a concave portion or a rib is formed on the lower surface of the upper floor plate portion, and the tunnel member is formed on the lower surface of the upper floor plate portion by fitting the convex portion to the concave portion or rib. The ventilation floor unit according to claim 1 or 2, which is detachably attached. The unit for ventilation floors in any one of Claims 1-3 which has the lower end of the said tunnel member in the height above the lower end of the said leg part. The ventilation floor unit, which is integrally molded with resin as a whole, has an upper floor plate portion having a square shape and a leg portion projecting downward at least at the four corners of the lower surface thereof,
A ventilation floor unit characterized in that a shielding plate for restricting the flow of air below the upper floor portion is provided between the leg portions. The ventilation floor unit according to claim 5, wherein the flow of air below the upper floor portion is restricted in one direction by the shielding plate. The whole is integrally formed of resin, and has a top floor plate portion having a square shape and a leg portion projecting downward at least at the four corners of the lower surface, and the upper floor plate portion has a plurality of vertically penetrating portions. A ventilation floor that has ventilation holes and lays the ventilation floor units (1A), which are air passages communicating in two directions perpendicular to the horizontal direction between the legs, on the lower floor to form an upper floor. ,
The unit (1C) according to any one of claims 1 to 4 or the unit according to claim 6 is replaced with the unit (1A),
A plurality of air outlets on the wall surface between the lower floor and the upper floor are installed in a direction perpendicular to the wall surface,
The ventilation floor, wherein the tunnel member communicates with the wall surface in a direction perpendicular to the blower port portion. Adjacent to the unit (1C) or the unit according to claim 6,
The whole is integrally molded with resin, and has a square upper floor plate portion and a leg portion projecting downward at least at the four corners of the lower surface thereof, and the space between the leg portions is perpendicular to the horizontal direction. A ventilation floor unit (1B) which is an air passage communicating in two directions and has no vent hole formed in the upper floor plate portion,
The ventilation floor according to claim 7 installed instead of said unit (1A).

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