JPH07293937A - Air conditioning system - Google Patents

Abstract

PURPOSE:To regulate the air distribution of supply air arbitrarily by simple and inexpensive construction. CONSTITUTION:In an air conditioning system equipped with a floor member 5 having a large number of outlets 5a, an air supply chamber 6 formed below the floor member, a ceiling member 7 having a large number of exhaust ports 7a, an exhaust passage 8 formed above the ceiling member and an air conditioning unit 9 connected to the air supply chamber 6, a plurality of ribs guiding supply air are provided on the rear side of the floor member. Besides, a plurality of tubes for air supply connected to the air conditioning unit are provided inside the air supply chamber.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner capable of realizing a high quality air environment in a room such as an office, a hospital or an indoor playground.

[0002]

2. Description of the Related Art As shown in FIG. 6 (B), the conventional air conditioning system is generally a complete mixing type air conditioning system in which the air in the room is positively agitated by the force of air supply, and is generated in the room 2. Alternatively, the pollutant 1 accompanied by the inflowing heat is diluted, diffused, and neutralized by the ambient air, but the pollutant 1 is not completely removed. Therefore, if you try to bring the volume of the room to a temperature below a certain set value or below a permissible value or air quality, you have to increase the air volume and lower the air supply temperature considerably in a room with a high ceiling. There is a problem of consuming a lot of.

[0003]

In order to solve this problem, the present inventor has proposed a new air conditioning system in Japanese Patent Application No. 5-19802. That is, as shown in FIG. 6 (A), air from the air conditioning unit is supplied into the chamber 2 through a large number of underfloor outlets 5a, and the pollutant 1 accompanied by heat generated or flowed in the chamber 2 is removed from the ceiling. Proposing an air-conditioning system that can realize a high-quality air environment with less energy consumption by exhausting air from a large number of exhaust holes 7a toward the exhaust passage and always enclosing the occupants with new air supply. There is.

However, when the air conditioning system is adopted and air is blown out from under the floor, cables such as a telephone line and a power cord are laid under the floor, and this cable obstructs the air flow, resulting in a uniform air distribution. You may not get it. Therefore, if an attempt is made to secure a required height under the floor as an air supply route, the height of the entire double floor becomes high, which is disadvantageous in terms of comfort and economy.

SUMMARY OF THE INVENTION The present invention is to solve the above-mentioned problems. In an air conditioner of the type that supplies conditioned air from under the floor to the room and constantly occupies the occupants with new air supply, the air supply is simple and inexpensive. It is an object of the present invention to provide an air conditioner capable of adjusting the air distribution of the above, and obtaining a uniform indoor air distribution.

[0006]

To this end, an air conditioner according to claim 1 of the present invention comprises a floor member 5 having a large number of outlets 5a, and an air supply chamber 6 formed below the floor member. An air conditioner including a ceiling member 7 having a large number of exhaust holes 7a, an exhaust passage 8 formed in an upper portion of the ceiling member, and an air conditioning unit 9 connected to the air supply chamber. It is characterized in that a plurality of ribs 21a for guiding the air supply are provided in the.

In the air conditioner according to the second aspect of the present invention, the floor member 5 having a large number of outlets 5a, the air supply chamber 6 formed in the lower portion of the floor member, and the large number of exhaust holes 7 are provided.
An air conditioner comprising a ceiling member 7 having a, an exhaust passage 8 formed in an upper portion of the ceiling member, and an air conditioning unit 9 connected to the air supply chamber, the air conditioner unit being connected to the air supply chamber. Multiple tubes 2
3 is provided. It should be noted that the numbers added to the above-mentioned configurations are for comparison with the drawings in order to facilitate the understanding of the present invention, and the configurations of the present invention are not limited thereby.

[0008]

In the present invention, as shown in, for example, FIGS. 1 to 5, air is supplied from the air conditioning unit 9 through the air supply passage 6 to the inside of the chamber 2 through the air outlet 5a of the floor member 5 and the inside of the chamber 2. The pollutant 1 with heat generated or flowing in is exhausted so as to be pushed out from the exhaust hole 7a of the ceiling member 7 toward the exhaust passage 8,
Always try to wrap resident M with new air supply. At this time, the ribs 21a are provided on the back surface of the floor panel 21 or the tubes 23 are provided to arbitrarily adjust the air distribution of the air supply, and the air is blown from the entire floor surface into the room, eliminating an excessive air flow feeling. It is possible to realize a comfortable and air-conditioned space with no spatial bias.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic sectional view showing an embodiment of an air conditioner of the present invention.

In FIG. 1, the chamber 2 includes upper and lower slabs 3, 4
Is formed between. A floor member 5 having a large number of air supply holes 5 a is arranged below the chamber 2, and an air supply chamber 6 is formed below the floor member 5. A ceiling member 7 having a large number of exhaust holes 7 a is arranged above the chamber 2, and an exhaust passage 8 is formed between the ceiling member 7 and the slab 3. An air conditioning unit 9 is connected to the air supply chamber 6, and an exhaust fan 10 is connected to the exhaust passage 8. Reference numeral 8a is a letter passage for returning a part of the exhaust gas to the air supply side.

In the air conditioner of the present invention, during cooling, air having a temperature slightly lower than the set temperature of the living area H of the room 2 is passed from the air conditioning unit 9 through the air supply chamber 6 to the air supply hole 5a of the floor member 5. Supply the chamber 2 as shown in FIG.
The pollutant 1 with heat generated or flowing therein is exhausted so as to be pushed out from the exhaust hole 7a of the ceiling member 7 toward the exhaust passage 8, and the occupant M is always wrapped with new air supply. As shown by the curve T, the temperature distribution in the chamber 2 is such that the lower portion of the chamber 2 is in a low temperature and clean state, and the upper portion of the chamber 2 is in a relatively high temperature and a lot of pollutants. When heating, air having a temperature slightly higher than the set temperature of the living area H of the room 2 is supplied.

According to the air conditioner, the required number of ventilations can be reduced, and the air conditioning unit 9 and the exhaust fan 10
And the device heat load of the air conditioning unit 9 can be reduced. Further, the duct by the conventional air conditioning system is not required, and the air conditioning unit 9 and the exhaust fan 10 can be downsized. Furthermore, since the air flow direction is from the floor to the ceiling, this can be detected directly above the fire source, and the fire can be detected early.

FIG. 2 is a plan view showing a structural example of the floor member 5, FIG. 3 is a plan view showing an example of a floor panel constituting the floor member 5, and FIG. 4 is an example of a floor panel constituting the floor member 5. It is sectional drawing shown.

As shown in FIG. 2, the floor member 5 is constructed by laying a large number of floor panels 21, and the back surface of the floor panel 21 is shown in FIGS. 3 (A) and 3 (B). Parallel to the side of the panel, or at an angle (eg 45 degrees)
A plurality of ribs 21a are formed. The rib 21a is a rational member to reinforce the strength reduced due to the opening of the air outlet 5a in the floor member 5. Therefore, as shown in FIG. 2, when the floor panels 21 are spread,
The air supplied from the air conditioning unit 9 is the air supply chamber 6
Since the air flows inside along the ribs 21a, the air supply is guided to an arbitrary position in the underfloor, and the air supply is adjusted in a portion where the airflow is hard to come out or a portion where the airflow does not come out so that the air distribution in the air supply chamber 6 is uniform. Can be

In FIG. 4, the floor panel 21 is a slab 4
The ribs 21a are supported on the upper side by supports 22.
Is about 1/2 to 1 of the effective height H of the air supply chamber 6.
Approximately / 3 to give directionality to the airflow, but do not block the airflow. The material of the floor panel is preferably non-combustible material for disaster prevention, and its simple shape facilitates mass production by press working or die casting.

FIG. 5 shows another embodiment of the present invention.
5A is a plan view of the air supply chamber, and FIG. 5B is a sectional view of the air supply chamber. In this embodiment, a plurality of flexible air supply tubes 2 are provided in the air supply chamber 6.
3 is provided and the tube 23 is connected to the air conditioning unit 9 via the air volume variable valve 24. In this case, an opening may be provided in the middle of the tube 23 so that the tube 23 can blow out from the middle. Reference numeral 26 is a guide member.

The material of the tube 23 is preferably non-combustible material when fire resistance is strongly required, and thus glass fiber or the like is preferable. If not, plastic-based materials are also conceivable. Other requirements include easy cutting and punching, low pressure loss, and thinness and lightness as much as possible. Tube 23
Since the static pressure does not apply so much, the anchor bolts may be preliminarily fixed at some places where the tubes 23 gather, and a surface fastener may be used for each of the tubes. . Further, it is possible to prevent the tube from moving sufficiently by its own weight without being properly fixed, and in that case, the flexibility is further increased.

In the present embodiment, since the air supplied from the air conditioning unit 9 flows along the tube 23, the air is guided to an arbitrary position under the floor, and the air is supplied to a portion where the air flow is hard to come out or a portion where the air flow does not come out too much. You can adjust your mind
The airflow distribution 25 of the supply air can be made uniform.

[0019]

As is apparent from the above description, according to the present invention, in an air conditioner of a system in which conditioned air is supplied to the room from under the floor and occupants are constantly wrapped with new air supply, the construction is simple and inexpensive. The air distribution of supply air can be adjusted arbitrarily, and a uniform indoor air distribution can be obtained. Further, it is possible to easily deal with a change in the layout of the room. Furthermore, it is possible to correct the non-uniformity of air supply to a room with depth.

[Brief description of drawings]

FIG. 1 is a schematic sectional view showing an embodiment of an air conditioner of the present invention.

FIG. 2 is a plan view showing a configuration example of the floor member of FIG.

FIG. 3 is a plan view showing an example of a floor panel forming the floor member of FIG.

FIG. 4 is a cross-sectional view showing an example of a floor panel constituting the floor member of FIG.

5 shows another embodiment of the present invention, FIG. 5 (A) is a plan view of the air supply chamber, and FIG. 5 (B) is a sectional view of the air supply chamber.

FIG. 6 (A) is a diagram for explaining the operation of the air conditioning system according to the present invention, and FIG. 6 (B) is a diagram for explaining the operation of the conventional air conditioning system.

[Explanation of symbols]

1 ... contaminant, 2 ... room, 3,4 ... slab, 5 ... double floor, 5
a ... Air supply hole 6 ... Air supply chamber, 7 ... Ceiling member, 7a ... Exhaust hole, 8
... Exhaust passage 9 ... Air conditioning unit, 10 ... Exhaust fan, 21 ... Floor panel, 21a ... Rib 23 ... Air supply tube

Front page continuation (72) Inventor Yoichi Haga 1-3-2 Shibaura, Minato-ku, Tokyo Shimizu Corporation

Claims (2)

[Claims] 1. A floor member having a large number of outlets, an air supply chamber formed below the floor member, a ceiling member having a plurality of exhaust holes, and an exhaust passage formed above the ceiling member. And an air conditioning unit connected to the air supply chamber, wherein a plurality of ribs for guiding air supply are provided on the back surface of the floor member. 2. A floor member having a large number of outlets, an air supply chamber formed below the floor member, a ceiling member having a plurality of exhaust holes, and an exhaust passage formed above the ceiling member. And an air conditioning unit connected to the air supply chamber, wherein a plurality of air supply tubes connected to the air conditioning unit are provided in the air supply chamber.