JPH06185757A - Air conditioning system - Google Patents

Abstract

PURPOSE:To provide an effective utilization of building space by a method wherein conditioned air produced by an ambient air conditioner in an indoor upper non-dwelling region is flowed to the non-dwelling region, circulated to the air conditioner, conditioned air got from an under-floor mounted air conditioner is blown into an indoor lower dwelling space and blown from a suction port. CONSTITUTION:Conditioned air blown from an ambient air conditioner 10 is circulated as a circulating air flow 16 within a non-dwelling region N of an indoor upper space between a wall and the opposed wall on which the air conditioner 10 is installed therein by a circulation air flow adjusting machine 14. An under-floor mounted air conditioner 11 sucks indoor air from a suction port 17, the air is blown from a louver suction port 13 and a floor blow-out port 7 into an indoor dwelling region D to remove heat from human bodies and OA equipment and the like, and a part of the air winds up cigar smoke and dusts and the like and rises up to a ceiling 1 by natural convection 15. The rising air 15 is taken into the circulating air flow 16, its heat is discharged by the air conditioner 10, dusts are collected by it and then the air is blown again out of the air conditioner 10. Since the ambient air conditioner is not installed at the ceiling but installed on an indoor upper part, the space for the ceiling is not required and not duct is required.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioning system using both an air conditioner installed under the floor and an air conditioner installed above the room as an indoor unit.

[0002]

2. Description of the Related Art Conventionally, as an indoor air conditioning system having a floor outlet to the room, there is one shown in FIG. In this air conditioning system, the conditioned air blown into the room from the floor outlet 7 and the roper outlet (for example, an outlet such as a partition) 13 installed in the living area absorbs heat from the human body, OA equipment, solar radiation, and the like. And then warmed up, indoor smoke, Chile,
Ascends to ceiling 1 with dust. The rising air 15 is taken into an exhaust duct 2 in the ceiling from an exhaust port 3 provided in the ceiling 1, and exhaust air and dust are collected by an air conditioner 10 connected to the duct 2 and installed in the ceiling. After that, it is sucked into the underfloor space 6 through the space behind the wall 8 or the duct 9, and the floor outlet 7 and the roper outlet 13
More blown indoors.

Further, conventionally, there is an indoor air conditioning system shown in FIG. 5 which uses both the ambient air conditioner 10 and a personal air conditioner 11 installed under the floor. In this air conditioning system, an ambient air conditioner 10 provided in a non-residential area above the room is used for air conditioning of the entire room, and a personal air conditioner 11 installed under the floor is provided for personal air conditioning independently of this. . The conditioned air from the personal air conditioner 11 is blown out into the room from the floor outlet 7 and the roper outlet 13, absorbs heat of the human body, OA equipment, solar heat, etc., and is exhausted by the personal air conditioner 11 via the underfloor inlet 17 '. And dust is collected, and again the above-mentioned outlets 7, 1
It is blown from 3 into the room.

[0004]

In the conventional system shown in FIG. 4, the air blown out from the floor outlet 7 and the roper outlet 13 is treated by the air taken in from the exhaust port 3 of the ceiling 1. Since it was conducted by being guided to the air conditioner 10 installed in the ceiling through the exhaust duct 2 in the ceiling, the ceiling exhaust port 3 and the space above the ceiling for installing the exhaust duct 2 and the air conditioner 10. And the floor height of the building becomes high. In addition, in this system, it is troublesome to install the exhaust port 3 on the ceiling 1 and the exhaust duct 2 and the air conditioner 10 on the back of the ceiling. Further, in this system, the air whose exhaust heat and dust have been collected by the air conditioner 10 behind the ceiling is conveyed to the underfloor through the duct 9 or the space behind the wall, so a space for this is required. Along with that, the construction is troublesome.

On the other hand, in the conventional system shown in FIG. 5 in which the ambient air conditioner and the underfloor personal air conditioner are independently used together, the air conditioning airflow from the ambient air conditioner 10 causes obstacles such as partitions, OA devices and the like in the living area. The air environment is disturbed by an object, and the thermal environment of the human body or OA equipment that is being air-conditioned by the personal air conditioner 11 is destroyed or the thermal environment for other people in the residential area is destroyed. There is a risk of

Further, in the air conditioning system having the ambient air conditioner 10 and the underfloor air conditioner 11, if the air conditioners are operated at the same set temperature, the ambient air conditioner 10 cools and heats more than necessary and wastes energy. However, it is not preferable for saving energy. Therefore, when the temperature of the non-residential area reaches a predetermined temperature during the operation of the air conditioning system, it is conceivable to stop the ambient air conditioner to save energy, but then the indoor cooling itself is performed as desired. However, the dust collection function of the ambient air conditioner is diminished, and the indoor environment may be polluted.

An object of the present invention is to eliminate the need for installing an air conditioner above the ceiling, and to eliminate the space behind the wall or the duct for sending air from the space under the ceiling to the underfloor. Air conditioning that can be used effectively, save installation work of air conditioning equipment, and prevent the thermal environment of the indoor living area that is air-conditioned by the underfloor air conditioner from being destroyed by the air conditioning airflow of the ambient air conditioner above the room. To provide a system.

Another object of the present invention is to perform dust collection in a room by operating the ambient air conditioner as needed when the ambient air conditioner is stopped during operation of the air conditioning system. To provide.

[0009]

[Means for Solving the Problems] To achieve the above object,
The air conditioning system of the present invention has the features described in each of the claims.

[0010]

[Function] An underfloor air conditioner draws in air in the indoor living area from the suction port provided on the floor of the room, exhausts heat and collects dust, and air-conditions the air from the air outlet and / or the louper air outlet provided on the floor of the room. To the indoor living area to air-condition the indoor living area. A part of the air warmed in the indoor living area rises toward the ceiling, but before reaching the ceiling, it is trapped in the flow of conditioned air by the ambient air conditioner flowing in the non-residential area above the room and becomes an ambient air conditioner. It recirculates, exhausts heat, collects dust, and is again blown from the ambient air conditioner to the non-residential area in the upper part of the room.

When the ambient air conditioner stops operating and the dust concentration detected by the dust concentration detecting means installed in the room exceeds a predetermined value, or when the ambient air conditioner stops operating, a timer counts and counts. When the stop time exceeds a predetermined stop time, an operation signal is transmitted from the operation control means, the ambient air conditioner is operated in the air blowing mode based on the operation signal, and dust in the room is removed by the ambient air conditioner.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIG. The ambient air conditioner 10 is installed on the wall surface 8 near the ceiling 1 in the room, for example, in the upper part of the bookshelf 18, and its refrigerant pipe 19 is connected to the outdoor unit 20. A swirl flow adjuster 14 having a built-in fan is provided on the lower surface of the center of the ceiling 1 to adjust the swirl air flow 16. Ambient air conditioner 10
Is the non-residential area (the area where there are no people) N above the room while driving.
After inhaling the air, exhausting heat and collecting dust, it blows out almost horizontally toward the non-residential area. The conditioned air blown out from the ambient air conditioner 10 is swirling flow adjuster 14
Thus, the space between the wall on which the ambient air conditioner 10 is installed and the opposite wall is a non-residential area N which is the upper space of the room.
It circulates as a swirling airflow 16.

An underfloor air conditioner 11 as a personal air conditioner is installed in a space (underfloor space) 6 between a building frame 5 and a floor 4 of a room, and its refrigerant pipe 9 is in this underfloor space 6.
It is connected to the outdoor unit 10 through the. On the floor 4 of the room, there are installed an arbitrary number of suction ports 17 and outlets 7 connected to the personal air conditioner 11 by ducts 61 in the underfloor space 6. From each of the outlets 7, a roper (a partition 12 or a partition 12 or The desk 12 ', etc.) can be connected to the hero duct 62. During operation, the personal air conditioner 11 sucks indoor air from the suction port 17 provided on the floor 4 of the room, and conditioned air is sucked from the louper outlet 13 and the floor outlet 7 into the indoor living area (area where people are present) D. Blow out to. The blown-out conditioned air absorbs heat from the human body, OA equipment, solar radiation, etc. in the living area D, and a part of the warmed air causes cigarette smoke,
Dust and the like are involved, and the natural convection 15 raises the ceiling 1 toward the ceiling 1. The rising air 15 is entrained in the swirling airflow 16 in the non-residential area N by the ambient air conditioner 10 on the way to the ceiling 1, exhaust heat and dust are collected by the ambient air conditioner 10, and the ambient air conditioner 10 again.
Is blown out from.

FIG. 2 is a schematic view of the first embodiment described above, and FIG. 3 is a perspective view showing an indoor view of the same embodiment.

Another embodiment of the present invention is shown in FIG. 6 as a schematic diagram. In this embodiment, the conditioned air blown into the room almost horizontally from the ambient air conditioner 10 installed in the non-residential area N in the upper part of the room and flowing through the non-residential area N is the other wall 8 of the room.
Further, from the suction port 3 provided in the ceiling 1, the ambient air conditioner 1 is passed through the ceiling ceiling duct between the ceiling 1 and the building frame 2.
It goes back to 0, and the cycle of blowing out from there is performed again. The other structure is the same as that of the first embodiment, and the operation is the same as that of the first embodiment.

The above two embodiments are the air conditioners 1 installed under the floor.
1 is an embodiment using a personal air conditioner. As another embodiment of the present invention, an example of using an underfloor air conditioner for air conditioning of the entire indoor living area is schematically shown in FIG. In this embodiment, the air conditioner 11 provided in the underfloor space 6 sucks in the indoor air from a large number of intake ports 17 provided in the floor 4 of the room, and air-conditions it from a large number of outlets 7 provided on the entire surface of the floor 4 of the room. The air is blown into the living area D in the room. The configuration and operation of the ambient air conditioner 10 and the swirl flow adjuster 14 provided in the non-residential area N in the upper part of the room are the same as in the first embodiment. The conditioned air blown into the room from the air outlet 7 of the floor 4 by the air conditioner 11 installed under the floor removes heat in the living space D, so that part of the warmed air rises to the ceiling 1 as rising air 15 The ambient air conditioner 10 is entrained in the swirling airflow 16 in the non-residential area N, and thereafter, the same behavior as that described in the first embodiment is performed.

FIG. 8 is an interior elevation view showing an arrangement example of the air outlet 21 of the ambient air conditioner provided in the upper non-residential area of the room according to the present invention and the suction port 22 therefor, and the wall of the upper non-residential area of the room. Air-conditioned air 23 by the ambient air conditioner blown out substantially horizontally from the air outlet 21 provided in the
Flows through the non-residential area and is sucked into the suction port 22 also provided in the wall of the non-residential area.

FIG. 9 is a view exemplifying a schematic side cross section of an ambient air conditioner 10 provided in a non-residential area in the upper part of the room used in the present invention, and the blowing grill 25 thereof is a conventional diagonal downward direction. Instead, the feature is that it blows out horizontally. Reference numeral 24 is a heat exchanger, and 26 is a fan.

In the above embodiment, the air that goes from the suction port 17 of the floor 4 of the room to the underfloor air conditioner 11 and the air that goes from the air conditioner 11 to the air outlet 7 of the floor 4 or the roper air outlet 13 are used. In order to prevent the air from mixing in the underfloor space 6, a flow path forming means for separating the air from each other is installed in the underfloor space 6.

Still another embodiment of the present invention is shown in FIG.
In the figure, reference numeral 30 denotes a dust processing control microcomputer installed in the ambient air conditioner, which has an operation determination means 31 and an operation control means 32 which can be adjusted by a set value adjustment means 36. The operation control means 32 has a timer means 33,
Further, the control microcomputer 30 is the dust processing control microcomputer 3
4 and the central control microcomputer 35.

Explaining the operation of this embodiment, when the ambient air conditioner stops operating, the operation control means 32 of the dust processing control microcomputer 30 provided in the ambient air conditioner 11 receives the stop signal and the indoor operation is started. The dust concentration value detected by the dust concentration detecting means 34 provided is
It is received by the operation determination means 31 of the control microcomputer 30 via a transmission means that connects the detection means and the control microcomputer. The operation determination means compares the received density value with a preset density value, and when the density value exceeds the preset value, by sending an operation signal to the central control microcomputer 35, the indoor air blowing mode. To start operation.

Here, the density set value can be arbitrarily set by the adjusting means 36 provided outside the apparatus. or,
A filter for collecting dust is installed inside the ambient air conditioner to remove dust contained in the air passing through the device. To be done.

Thereafter, the timer of the operation control means compares the detected concentration value with the set concentration value in the operation determination means at arbitrary time intervals. When the detected concentration value is determined to be less than or equal to the set concentration value, the operation control means transmits an operation stop signal to the central control microcomputer to stop the operation. The flow is as in steps (1) to (5) of FIG.

Another embodiment of the present invention is shown in FIG. In the figure, the dust processing control microcomputer 40 comprises an operation control means 41, which has a timer means 42 connected to a set time adjustment means 44, and
It is connected to the central control microcomputer 43.

In this embodiment, when the ambient air conditioner stops operating, the operation control unit 41 of the dust processing control microcomputer 40 provided in the ambient air conditioner 10 receives the stop signal, and the operation control means operates. After the lapse of the arbitrary time t1 by the timer 42, the operation is performed in the blowing mode for the arbitrary time t2. Here, the timer setting time t
The setting of 1 and t2 is performed by the adjuster 44 provided outside the device.
With this, each can be set arbitrarily.

Further, since a filter for collecting dust for removing dust contained in the air passing through the apparatus is installed in the ambient air conditioner, the indoor air is supplied during the blowing operation. , Dust collection processing. The flow is as in steps (1) to (4) of FIG.

[0027]

【The invention's effect】

(1) Since the ambient air conditioner is installed not in the ceiling but in the non-residential area in the upper part of the room, a space for installing the air conditioner is not required in the ceiling and the installation work of the ambient air conditioner is facilitated.

(2) In the embodiment as shown in FIG. 1, FIG. 2 or FIG. 7, the intake port of the wall surface or the ceiling and the air passage behind the ceiling are unnecessary, and the floor height of the building can be reduced. In the embodiment as shown in FIG. 6, these air inlets and air passages above the ceiling are provided, but since the ambient air conditioner is not provided above the ceiling, installation work and floor height required for it can be reduced. it can.

(3) The space utilization rate in the building is improved because the space behind the wall and the duct for sending air from the space under the ceiling to the space under the floor are unnecessary.

(4) It is possible to prevent the thermal environment in the living area below the room, which is air-conditioned by the underfloor air conditioner, from being destroyed by the airflow from the ambient air conditioner in the non-residential area above the room.

(5) When the dust in the room exceeds a predetermined value or when the operation stop time exceeds a predetermined time when the ambient air conditioner is stopped, the ambient air conditioner is operated for a predetermined time to The dust in the room is removed to prevent contamination by dust in the room.

[Brief description of drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention.

FIG. 2 is a schematic side sectional view of the embodiment.

FIG. 3 is a perspective view showing an inside view of the embodiment.

FIG. 4 is a schematic side sectional view showing a conventional example.

FIG. 5 is a schematic side sectional view showing another conventional example.

FIG. 6 is a schematic side sectional view of another embodiment of the present invention.

FIG. 7 is a schematic side sectional view of still another embodiment of the present invention.

FIG. 8 is an indoor elevational view showing an example of arrangement of air outlets and suction ports located in a non-residential area in the upper part of the room according to the present invention.

FIG. 9 is a sectional view schematically showing an example of an ambient air conditioner used in the present invention.

FIG. 10 is a diagram showing still another embodiment of the present invention.

11 is a diagram showing an operation flow of the embodiment of FIG.

FIG. 12 is a diagram showing another embodiment of the present invention.

13 is a diagram showing an operation flow of the embodiment in FIG.

[Explanation of Codes] 1 ... Ceiling 2 ... Building frame 3 ... Exhaust port 4 ... Room floor 5 ... Building frame 6 ... Underfloor space 7 ... Floor outlet 8 ... Wall surface 9 ... Back wall duct (back wall space) 10 ... Ambient Air conditioner 11 ... Underfloor air conditioner 12 ... Roper (partition) 12 '... Roper (desk) 13 ... Roper air outlet 14 ... Swirl airflow adjusting device 15 ... Ascending airflow 16 ... Swirl airflow 17 ... Floor inlet 18 ... Bookcase etc. 19 ... Refrigerant piping 20 ... Outdoor units 30, 40 ... Dust processing control microcomputer 31 ... Operation control means 32, 41 ... Judgment means 35, 43 ... Central control microcomputer

Front page continuation (72) Takao Chiaki Inventor Takao Chiaki 390 Muramatsu, Shimizu City, Shizuoka Hitachi Ltd. Shimizu Plant (72) Inventor Nao Shimura ▲ Aki ▼ Kashima Construction, 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Co., Ltd. (72) Inventor Kayo Makoto Kashima Construction Co., Ltd. 1-2-7 Moto-Akasaka, Minato-ku, Tokyo

Claims (8)

[Claims] 1. An ambient air conditioner is installed in a non-residential area above a room, and the conditioned air blown from this ambient air conditioner is passed to the non-residential area above the room and the air flowing through the non-residential area is used as the ambient air conditioner. The air in the non-residential area is circulated through the ambient air conditioner so as to be returned to the machine, while an underfloor air conditioner is installed in the underfloor space of the room, and the air conditioner air blown from this underfloor air conditioner is discharged to the room floor. The air is blown into the living space under the room from the provided air outlet and / or the roper air outlet, and the air in the living space under the room is sucked into the underfloor air conditioner through the air inlet provided on the floor of the room. An air conditioning system characterized by being configured. 2. A swirling flow of air in the non-residential area is generated so that the air blown from the ambient air-conditioning apparatus to the non-residential area passes through the non-residential area and returns to the ambient air conditioner. 1 air conditioning system. 3. The air conditioning system according to claim 2, wherein a swirl flow adjuster is installed on the ceiling of the room to assist the generation of a swirl flow of air in the non-residential area. 4. The air blown from the ambient air conditioner to the non-residential area is sucked from a suction port provided on a wall surface and / or a ceiling located in the non-residential area of a room, through a channel behind the ceiling, and The method according to claim 1, wherein the air conditioner is returned to the ambient air conditioner.
Air conditioning system. 5. A plurality of outlets and inlets provided on the floor are provided on the entire surface of the floor.
Or 4 air conditioning system. 6. A blower outlet and / or a roper blower outlet provided on the floor are provided within a specific range of a living area in the room, and the underfloor air conditioner is a personal air conditioner. 3 or 4 air conditioning system. 7. A dust concentration detecting means is provided in the room, a dust processing control microcomputer having an operation determining means and an operation control means is provided in the ambient air conditioner, and the operation control means receives a stop signal of the ambient air conditioner and operates. The determination means determines that the detected concentration value from the dust detection means is larger than the set concentration value, transmits an operation signal, and the central control microcomputer controls the operation of the ambient air conditioner in the air blowing mode based on the operation signal. The air conditioning system according to claim 1, wherein 8. A dust processing control microcomputer having operation control means and timer means for counting operation stop time and operation time is provided in the ambient air conditioner, and the stop time of the ambient air conditioner counted by the timer means is set. The air conditioning system according to claim 1, wherein when the operation stop time is exceeded, an operation signal is transmitted, and based on the operation signal, the central control microcomputer controls the operation of the ambient air conditioner in the air blowing mode for a predetermined time.