JPH0792263B2 - Air conditioner - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner for air conditioning a building.

[0002]

2. Description of the Related Art As a method for air conditioning a building,
Place a duct between the slab and the ceiling plate to keep the air in the room.
If it is discharged through this duct and sent to the air conditioning unit,
In addition, the air that has been air-conditioned is supplied to the room through the duct as well.
There is a way to pay. However, with this air conditioner,
Even if a part of the air conditioner is used, it is
Inevitably, energy conservation cannot be achieved.

On the other hand, if only part of the room is air-conditioned
If sufficient, airchair between slab and floor
The air chamber is formed by
The desired air in the room through the openings on the floor.
There is a method of supplying only to the table. But with this method,
Air will circulate only in a certain space in the room.
Therefore, the air in the entire room cannot be circulated. Well
In addition, if you try to balance the ventilation and smoke emission of indoor air with the air volume.
I had no idea.

[0004]

SUMMARY OF THE INVENTION The present invention considers the above facts.
Considering the situation, energy is saved by performing appropriate air conditioning in the desired space in the room.
In addition to improving ruggedness, ventilating indoor air, exhausting smoke and air volume
And the air inside the room is circulated.
It is an object to provide an air conditioner capable of operating.

[0005]

[Means for Solving the Problems] Claim 1 of the present application
The invention of the invention is based on a slab that is installed separately from the slab.
In the air chamber formed between the slab and
Air-condition and blow the air in this air chamber into the building
In an air conditioner, a worker is placed on the floor and
Furniture facing each other, and one end provided in the furniture is
To the lower part of the floor and the duct communicating with the air chamber
The first blown blown air that is formed and blows air to the feet of the seated worker
Seating work that is formed on the outlet and the upper part of the duct
A second outlet for blowing air above the person's head;
The opposite side of the seated worker formed on the surface opposite to the outlet
And a third outlet for blowing air into the
It is characterized by doing.

The invention according to claim 2 of the present application is
It is provided near the communication port of the chamber with the duct.
Secondary treatment for secondarily treating the treated air in the air chamber
The processing unit according to claim 3, further comprising a processing unit.
The invention may be installed in a building to circulate indoor air.
Is a ventilation / smoke exhausting means for exchanging indoor air and external air,
Amount of air discharged to the outside by the ventilation / smoke exhausting means
And an air volume adjusting means for adjusting
There is.

[0007]

The air conditioner of the present invention is a conventional air conditioner for air conditioning the entire room.
Unlike the air conditioning method, the conditioned air in the air chamber is inside the furniture.
It is blown into the room through the duct. At this time, the first
A second blow from the outlet to the desk seated worker's feet
Air-conditioned air is blown overhead from the outlet,
Workers near the disk can work comfortably. With desk
Air that has been conditioned from the third outlet is used for all other rooms.
Is blown out, and it is not a low grade compared to the vicinity of the desk.
However, a constant air conditioning condition is maintained. Also, the first to the third
Since each of the outlets are formed independently,
Effectively select these outlets as desired
It can perform various air conditioning. In addition, the secondary processing unit
Temperature control for each air conditioning target area
It is possible to perform detailed air conditioning such as
It In addition, ventilation and smoke exhaust means installed in the building,
An air volume adjusting means is installed to adjust the amount of air discharged to the outside.
The indoor air is exchanged with the outside air, and
Adjusts the air volume balance by circulating air throughout the area.
It can be done efficiently.

As described above, according to the present invention, the inside of the air chamber is
Condition the conditioned air through the ducts in the furniture
It can be blown out only to the place. Moreover, formed on the furniture
With each of the blown out openings, the seated worker's feet, overhead,
And the position where the conditioned air is blown out to the opposite side of the seated worker.
You can choose. This helps save energy.
And effective air conditioning according to the wishes of indoor workers
Becomes

[0009]

EXAMPLE FIG. 1 shows a building 10 to which an air conditioner according to this example is applied. This building 10 is a slab 12
It is a multi-story building with multiple A and 12B.

A free access floor 14 is laid on the slab 12A so as to be separated from the slab 12A.
The space between and is an air chamber 16.

As shown in FIG. 2, the free access floor 14 has a structure in which a plurality of floor panels 20 are laid on a support 18 standing upright from the slab 12A, and the floor panel 20 has a predetermined size. By using the plate material of, the construction becomes easy.

A wall-through type air conditioning unit 22 is arranged in the air chamber 16 near the perimeter. The air conditioning unit 22 is a general device having a filter 24, a heat exchanger 26, and a fan 28 in a housing 23, but has a thin structure to be placed in the air chamber 16.

The air conditioning unit 22 has a suction port 30 for taking in indoor air from the perimeter portion of the room, a suction port 32 for taking in outside air through the outer wall, and the like. The suction port 30 penetrates the floor panel 20 of the free access floor 14 to take in indoor air.

A secondary processing unit 34 is arranged at an appropriate position in the air chamber 16 so that the air in the air chamber 16 can be blown out into the room at a desired position. In this secondary processing unit 34, a filter 38, a heat exchanger 40 and a fan 42 are arranged in a housing 36,
The air in the air chamber 16 is secondarily processed as desired, and then sent out from the fan 42.

The fan 42 communicates with the duct 48 of the furniture 46 through a through hole formed in the floor panel 20.

In addition to the duct 48, this furniture 46 is integrated with a standing wall 50 also serving as a partition, an OA equipment desk 52, etc., so that it can be placed on a desired floor panel 20 and fixed as desired. ing. This furniture 46
A sensor / control unit 54 is arranged in the room to detect the ambient temperature of the employee at the desk 50,
This is sent to the control device 56, and the control device 56 can control the secondary processing unit 34. Therefore, an employee can control the temperature of his / her office space automatically or manually if desired, regardless of the temperature in the room. The control device 56 may be connected to the secondary processing unit 34 and the air conditioning unit 22 by a dedicated wiring, or may be connected to these devices using a telephone line or the like.

The duct 48 is provided with a lower air outlet 58 near the lower end thereof to send air after air conditioning to the vicinity of the foot of the worker, and upper air outlets 60, 62 are provided near the upper end thereof to perform work. It is designed to blow air above the person's head. The lower outlet 58 is used for blowing warm air, and the upper outlet 6
0 and 62 are suitable for blowing cold air. Upper outlet 6
Air-conditioned air blown from 0 to the opposite side of the seated worker is furniture 46
The general atmosphere outside the working area will be air-conditioned.
This general atmosphere is a low-grade temperature control unlike the conventional indoor batch air conditioning, but there is no problem because seated workers who work for a long time are kept at a comfortable temperature, and energy saving is achieved.
Become energy .

The furniture 46 is provided with a spot-lighting task light 64 for illuminating the working range of a worker, and mainly for illuminating the upper part near the upper end of the duct 48 to indirectly illuminate the surroundings by ceiling reflection. An ambient light 66 is provided. These lights are connected to the wiring and control device 56 provided in the air chamber 16 so that the worker can arbitrarily operate them. As a result, unlike conventional lighting systems in which multiple lights are turned on or off at the same time regardless of the number of employees and the number of employees, a task lighting system that illuminates only the necessary parts is achieved, and energy saving is improved. .

A booster unit 67 is arranged at an appropriate position of the air chamber 16 as required. Each of the booster units 67 has a fan therein so that the air from the air conditioning unit 22 can be surely sent to a distant portion.

FIG. 3 shows an air conditioning / lighting unit 68 arranged on the free access floor 14. In this air conditioning / illumination unit 68, a housing 70 placed on the floor panel 20 serves as an air chamber, and a lower end portion thereof communicates with the air chamber 16 by removing the floor panel 20. A filter 72 and a fan 74 provided near the lower end of the housing 70 can blow the air in the air chamber 16 into the room through the lower outlet 76 and the upper outlet 78. Adjustment means 80 are provided at the lower outlet 76 and the upper outlet 78.

At the top of the housing 70, an ambient light 66 similar to that of the furniture 46 is provided.

The ambient light 66 and the fan 74 are similarly connected to the wiring provided in the air chamber 16.

Further, FIG. 3 shows the air conditioning / lighting unit 68.
The furniture 82 integrated with is also shown.
Like the furniture 46, a task light 64 is provided to illuminate the office space of the office worker.

FIG. 4 shows an air conditioner using the fan coil system.
Illumination unit 92 is shown. In this air conditioning / illumination unit 92, a hot / cold water pipe 96 from a supply source (not shown) is connected to the fan coil unit 94, whereby secondary processing is performed.

FIG. 5 shows a push-in air conditioning / lighting unit 98. Unlike the air conditioning / lighting units 68, 84, 92, the air conditioning / lighting unit 98 does not have a secondary processing unit in the housing 100, and the air in the air chamber 16 is pushed into the housing 100 to blow downward. It is designed to be sent out to the room through the outlet 76 and the upper outlet 78.

The air conditioning units 68, 92, 9
Although all of the air-conditioning units 8 are shown to be placed on the floor, some of these air-conditioning units are part of the air chamber 1
6 may be disposed inside the air chamber 6, or all may be disposed inside the air chamber 16 so that only the air outlet is provided on the floor.

As shown in FIG. 1, a ventilation / smoke exhausting unit 102 is provided in the perimeter portion of the room. The ventilation / smoke exhausting unit 102 sucks the indoor air from the suction port 104 and sends it to the air conditioning unit 22 by the fan 106 from the air outlet 108 to the outside of the building and from the air outlet 110 to the inside of the window 112. Has become. As a result, the air near the window 112, which has a relatively large temperature difference with respect to the indoor living area, can be sent to the air conditioning unit 22 to reduce the temperature change in the room. Also, blow
The amount of air blown out from the outlet 108 can be adjusted arbitrarily
And the amount of outside air taken in from the suction port 32
It can be adjusted arbitrarily. Therefore, the outlet 108
Increase the amount of air blown out and the amount taken in from the suction port 32.
By doing so, efficient exchange of outside air with indoor air
It becomes possible to do. Also, the blowing amount and
By setting the inclusion amount to be 0, both outside air and indoor air
It is also possible to circulate only the indoor air without replacing the
Noh. Furthermore, the blowing amount and the intake amount are appropriate
If it is adjusted to a certain amount, it will be partially replaced depending on the air flow
・ It is also possible to perform air conditioning such as partial circulation.

In this embodiment having such a configuration, the conditioned air chamber 16, the electric wiring, and the communication wiring are all slabs 12.
Since it is arranged between A and the free access floor 14, these are not required at all in the ceiling portion, work at high places is unnecessary, and construction and repair work thereof are remarkably simple. Further, water supply pipes for water and sewerage used indoors can be similarly arranged between the free access floor 14 and the slab 12A. Note that sprinkler piping, emergency lights, and other items required by law may be installed on the ceiling.

During use, the air after the primary treatment sent from the air conditioning unit 22 is sent to an arbitrary position through the air chamber 16 and passes through the duct 48 of the furniture 46 and the air conditioning / lighting units 68, 92, 98. It is sent to the room.
Since this air is sent out in a desired amount only to the vicinity of a worker who works on furniture 46 or the like, it is extremely efficient as compared with the conventional case where air conditioning is performed in room units. Further, also in the illumination device, similarly, only the work space of the worker is illuminated with the desired illuminance, which is efficient.

In this embodiment, the worker is task light 6
Since the illumination is obtained by means of 4, it is possible to prevent glare caused by the illumination from the ceiling reflected on the CRT screen as in the conventional case.

The air in the room passes through the ventilation / smoke exhausting unit 102, and a part of the air is sent out from the air outlet 108 to the outside of the room. Air conditioning unit 22 with air
Is taken in and is sent out to the air chamber 16 again.

In the above embodiment, the furniture 46, etc., and the electric wiring and water pipes in the air chamber 16 can be connected by a joint which is easily removable.

In this embodiment, since the furniture 46 and the like are arranged at arbitrary positions and communicate with the air chamber 16 via the free access floor 14 as described above, there is no restriction for installing the furniture 46, and the conventional arrangement is possible. With the technology, it is possible to solve the problem that the location of furniture is limited due to restrictions such as air conditioners and electric wiring.

In the above embodiment, the air in the room is ventilated.
Although it is sent to the outside of the room or to the air conditioning unit 22 via the smoke exhaust unit 102, it may be sent to the air conditioning unit provided in the machine room or the like and circulated to the air chamber 16 . Further, omitting the wall-through type air-conditioning unit 22 of the above embodiment leads without conditioning process the outside air into the air chamber 16, blown into the room by processing it in the air conditioner provided in an appropriate position of the air chamber 16 Good.

Further, in the above embodiment, since the air chamber is entirely provided between the floor and the slab, a joint material may be packed in a portion where air leakage is a problem, or an appropriate lining may be attached. A cover may be stretched around the entire inner circumference of the air chamber to make the air chamber into a container shape. If the load on the air conditioner is large by sending air after air conditioning to the entire area of the air chamber, install it in the air chamber to prevent it from being sent under the floor where there is no need to take air out into the room. Appropriate partitions may be provided to limit the flow of air.

In the above embodiment, the floor is shown as a free access floor, but it goes without saying that the present invention is not limited to this and can be applied to floors of other structures.

[0037]

EFFECTS OF THE INVENTION The present invention has the above-mentioned structure and can be used on any floor.
The conditioned air can be taken out from the room
Can effectively air-condition only the required air-conditioning area.
It Also, depending on whether the extracted air is warm or cold,
Or you can take it out at your feet, so indoor workers
Create a comfortable working atmosphere by performing air conditioning according to your wishes
You can get out. Furthermore, by means of ventilation and smoke exhaust,
Exchange the indoor air with the outdoor air, and
It can be efficiently performed while adjusting with the lance.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a building to which an air conditioner according to the present invention is applied.

FIG. 2 is an exploded perspective view showing a part of a free access floor.

FIG. 3 is a vertical cross-sectional view showing an air conditioning unit and furniture using the same.

FIG. 4 is a vertical cross-sectional view showing another air conditioning unit.

FIG. 5 is a vertical cross-sectional view showing another air conditioning unit.

[Explanation of symbols]

 10 building 12A slab 12B slab, 14 free access floor (floor) 16 air chamber 46 furniture 48 duct 58 lower outlet 60 upper outlet 62 upper outlet 64 task light 66 ambient light

Claims (3)

[Claims] 1. A slab is installed separately from the slab.
Air chamber formed between floor and slab
The inside is air-conditioned and the air in this air chamber is blown into the building.
In the air conditioner, furniture placed on the floor and faced by an operator
And one end of which is provided in the furniture and communicates with the air chamber
And a duct that is formed at the bottom of the duct and empties at the feet of the seated worker.
A first blow-out port that blows out air and a space formed above the duct and above the seated worker's head.
A second air outlet for blowing air and the seated worker formed on the surface opposite to the second air outlet
And a third outlet that blows air to the opposite side of the air conditioner. 2. A communication of the air chamber with the duct.
Air in the air chamber, which is installed near the mouth and is primarily processed
A secondary processing unit for secondary processing of
The air conditioner according to claim 1, wherein 3. Installed in a building to circulate indoor air
Alternatively, a ventilation / smoke exhauster that exchanges indoor air with external air.
Dan, Amount of air discharged to the outside by the ventilation / smoke exhausting means
An air volume adjusting means for adjusting The said 1 or 2 characterized by having
Air conditioner.