JPH0247375Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention relates to a fan coil unit, and in particular to a fan coil configured to blow air into the air-conditioned room through the double floor of the air-conditioned room having a double floor. It concerns the unit.

[Prior art and its problems]

A fan coil unit used in a conventional air conditioning system houses a filter, a cold/hot water coil as a heat exchanger, a blower, etc. in a single casing, and the air inlet is placed on the bottom of the casing and placed on the top. Equipped with an air outlet.

Incidentally, in recent years, computer equipment has been significantly expanded in most buildings, and computer rooms are often set up separately from general office rooms. This computer room has a different air-conditioning load compared to a general office, and even if it is air-conditioned with the above-mentioned normal fan coil unit in the same way as a general office, the effect is not very good. In other words, in a general office, the entire room is cooled or heated, but in a computer room, it is only necessary to cool the heat generated from the computer equipment, which accounts for the majority of the air conditioning load. It is preferable to blow directly into these devices. Therefore,
When converting a computer room into a general office, or conversely, converting a general office into a computer room, the air conditioning equipment must also be significantly renovated. For example, when renovating a general office room that was previously air-conditioned using fan coil units into a computer room, the floor structure of the computer room must first be changed to a double-floor structure to provide space for electrical wiring and piping, etc. shall be. That is, the floor surface on which the fan coil unit was previously installed is further raised to form a new floor surface. Therefore, if the existing fan coil unit were used as is, part of the fan coil unit would be hidden under the floor, and the air would be sucked in from under the floor and blown out into the air-conditioned room. It will need to be replaced on a new raised floor. Alternatively, there are cases where the existing fan coil unit is removed and a new package air conditioner is installed.

In addition, with conventional fan coil units and packaged air conditioners as mentioned above, unless the cold air is guided through a duct, it does not blow out to a specific device, but instead cools the entire room to be air-conditioned, making it more efficient. Unable to cool down. For this reason, the inventors adopted a double-floor structure for the floor structure of the air-conditioned room, whether it is a general office or a computer room, and adopted an air conditioning system that performs floor air conditioning in both cases. I came to the conclusion. In other words, the floor panel of the new raised floor of the double floor structure can be replaced with the air outlet, and the air outlet is provided under each computer equipment, while the air outlet of the fan coil unit is installed on the new raised floor. It was constructed so that cold air could be blown directly to each of these computer devices through the double floor space. However, even in this air conditioning system, there are areas where the flow of cold air becomes difficult due to obstructions such as electrical wiring and piping within the double floor, which has a negative impact on computers installed in such locations. There is a fear. Therefore, the placement of each computer device must be determined by giving priority to the size of the heat load rather than ease of use, and the device with a larger heat load needs to be installed closer to the fan coil unit.

[Purpose of invention]

The present invention has been devised in view of the above-mentioned problems and to effectively solve them. Therefore, the purpose is to create an air conditioning system that blows cold or warm air from the floor of a double floor structure, which can be used for air conditioning in general offices and computer rooms.
In particular, it is an object of the present invention to provide a fan coil unit that can reliably blow cold air to desired computer equipment regardless of the arrangement of the computers.

[Means for solving problems]

The fan coil unit according to the present invention has the following configuration in order to solve the problems of the prior art and achieve the purpose.

In other words, the main unit has an indoor air intake port formed in the first casing that houses the heat exchange coil, and the second casing that houses the blower and is installed within the double floor. The first casing and the second casing are configured to be connectable directly or via a flexible duct.

Note that the indoor air intake port of the main unit is
It may be formed on the upper end surface of the main unit and constitute the floor surface of the air-conditioned room.

[Effect]

According to the fan coil unit according to the present invention,
Floor vent air conditioning with a double floor structure can be used in both general offices and computer rooms. That is, the main unit sucks air from inside the air-conditioned room through the indoor air suction port, and cools or heats the sucked air using the heat exchange coil. The heat-exchanged air is guided from the main unit to a fan unit installed at a desired position, either directly or via a flexible duct, and is blown out from the fan unit into the double floor. The desired position for installing the fan unit is near the opening formed in the floor of the air-conditioned room, and cold or warm air can be reliably guided to the floor opening. The location of the floor opening is
In the case of a general office, these positions are approximately evenly distributed over the entire floor surface, and in the case of a computer room, they are positions where cold air is blown directly to each computer equipment that is placed with priority given to each function. Even if the air-conditioned room is renovated from a computer room to a general office or vice versa and the position of the floor opening is changed, the position of the fan unit can be changed freely, making it flexible in any position. The main unit and fan unit can be connected through a duct or directly.

In other words, in the case of a general office, the entire air-conditioned room can be evenly cooled or heated, and in the case of a computer room, each computer equipment placed at a desired position can be reliably cooled. Allows the unit to function efficiently.

[Effect of idea]

As is clear from the above description, the present invention provides the following excellent effects.

In other words, when renovating a room to be air-conditioned by a fan coil unit from a general office to a computer room, or vice versa, the air conditioning equipment can be easily refurbished.Especially when air conditioning a computer, each computer equipment Each computer device can be reliably cooled even if its functions are prioritized.

〔Example〕

A preferred embodiment of the present invention will be described below with reference to FIGS. 1 to 6.

FIG. 1 is a side view showing a first embodiment of a fan coil unit according to the present invention, and FIG. 2 is a plan view of FIG. 1. FIG. 3 is a side view showing a second embodiment of the fan coil unit according to the present invention, and FIG.
FIG. FIG. 5 is a side view showing the third embodiment of the fan coil unit according to the present invention, and FIG.
The figure is a plan view of FIG. 5. In each embodiment, an example is shown in which four fan units are provided correspondingly to one main body unit. In addition, the broken lines in Figures 1, 3, and 5 indicate the raised floor surface of the double floor structure (hereinafter simply referred to as the floor surface), and the dashed lines indicate the raised floor surface (hereinafter simply referred to as the floor surface). Shows the floor slab surface of the structure.

In the first embodiment, the main unit 1 has a floor plate surface S
The first casing 2 is placed on the floor F.
It is raised above. Inside the first casing 2 is a hot and cold water coil 3 as a heat exchange coil.
is housed therein, and a suction port 4 is formed on the upper end surface of the first casing 2 to suck in air from within the air-conditioned room. 4 fan units 5
is constructed by housing a blower 7 in a second casing 6 that fits between the floor surface F and the floor slab surface S, and having an air outlet 8 on the front end surface of the second casing 6, so that each fan unit 5 and the main unit 1 through a flexible duct 9. The flexible duct 9 is easily deformed, and the fan unit 5
Main unit 1 can be installed anywhere in the double floor.
It is possible to freely avoid obstacles between the fan unit 5 and the fan unit 5 and reliably connect them. Main unit 1
Indoor air sucked in from the suction port 4 is heat-exchanged by the cold/hot water coil 3 to become cold air or hot air, which is guided to the fan unit 5 through the flexible duct 9, and is then discharged from the air outlet 8 by the blower 7. It was blown out into the double floor. When the air-conditioned room is a general office, an opening (not shown) is formed at an appropriate position on the floor F, and each fan unit 5 is installed near the opening, so that air is not blown out from the fan unit 5. The cooled or warm air is reliably blown out from the opening into the air-conditioned room without its flow being obstructed by obstacles in the double floor, thereby cooling or heating the air-conditioned room. In addition, when the air-conditioned room is a computer room, a floor opening is formed at a position where cold air is directly blown out to each installed computer equipment, and each fan unit 5 is opened at an opening in the double floor. It is installed nearby to ensure that cold air is blown to each computer device. Even if the air-conditioned room is renovated from a computer room to a general office or vice versa, the air conditioning equipment can be renovated by simply changing the position of the floor opening and the position of the fan unit 5 while maintaining the double floor structure.

In the second embodiment, a main body unit 1 is installed on a floor slab surface S of a perimeter section of an air-conditioned room, and its first casing 2 is raised above a floor surface F. A cold/hot water coil 3 as a heat exchange coil is housed in the first casing 2, and a front end surface (floor surface F) of the first casing 2 is housed.
A suction port 4 is formed on the upper part of the air conditioned room to suck in the air inside the air-conditioned room, and an air outlet 1 is formed on the upper end surface to blow out cooling or warm air to the perimeter of the air-conditioned room.
0 is formed. 4 fan units 5
When the air-conditioned room is a general office, for example, the two in the center are directly connected to the main unit 1, and the remaining two on both sides are connected by flexible ducts 9 to the floor as in the first embodiment. It is installed near the location where the surface opening is formed and blows cold or warm air into the double floor. A fan unit 5 directly connected to the main unit 1 is directly connected to the main unit 1 at its outlet, and its suction port 11 is connected to an opening 12 formed in the floor F directly above. Therefore, indoor air sucked in from the opening 12 is blown into the main unit 1 by the blower 7, passes through the hot and cold water coil 3, and is turned into cold or warm air from the outlet 10 of the main unit 1. It is blown out to the perimeter of the air-conditioned room. When the air-conditioned room is a computer room, all the fan units 5 are installed at positions where they can directly blow cold air onto each computer device, as in the first embodiment. In the second embodiment, when the air-conditioned room is renovated from a computer room to a general office or vice versa, the position of the floor opening and the position of the fan unit 5 are simply changed while maintaining the double floor structure. Air conditioning equipment can be repaired.

In the types described in the first and second embodiments, the main unit 1 is installed at the perimeter of the air-conditioned room, such as near the wall, and the connection part with each fan unit 5 is connected to the front end surface of the main unit 1 ( Formed in a double bed).

In the third embodiment, the main body unit 1 is installed on the floor slab surface S of the perimeter section of the air-conditioned room, and the upper end surface of the first casing 2 is aligned with the floor surface F and is formed into the indoor air suction port 4. , and for the four fan units 5, the first casing 2
Flexible duct 9 on 4 sides (within double floor)
are connected via. Therefore, it can be installed even in a relatively central position in the air-conditioned room. Moreover, this first casing 2 has the same shape as a floor panel placed on the floor surface F, and can be installed by replacing it with a floor panel at an appropriate position. Inside the first casing 2, a cold/hot water coil 3 as a heat exchange coil is housed facing each side, and an inlet 4 is provided.
The air sucked into the main unit 1 passes through the cold/hot water coil 3 and is cooled or heated.
Air is blown out from the outlet 8 of each fan unit 5 into the double floor through the flexible duct 9.
Whether the air-conditioned room is a general office or a computer room, each fan unit 5 has an opening (not shown) formed in the floor F, similar to the first and second embodiments. It is installed nearby and reliably blows out cold or warm air from the opening. In addition, when renovating an air-conditioned room, main unit 1
The position of the fan unit 5 and the position of the fan unit 5 can be easily changed. When changing the position of the main unit 1, connect the hot and cold water coil piping (not shown) in the double floor to a flexible pipe such as a rubber hose (not shown).
If a one-touch joint (not shown) is used, the movement can be made even easier.

[Brief explanation of the drawing]

Fig. 1 is a side view showing a first embodiment of the fan coil unit according to the present invention, Fig. 2 is a plan view of Fig. 1, and Fig. 3 shows a second embodiment of the fan coil unit according to the present invention. 4 is a plan view of FIG. 3, FIG. 5 is a side view showing a third embodiment of the fan coil unit according to the present invention, and FIG. 6 is a plan view of FIG. 5. 1...Main unit, 2...First casing,
3...Cold/hot water coil as a heat exchange coil, 4
...Indoor air intake port, 5...Fan unit, 6
...Second casing, 7...Blower, 8...Blow air intake port, 9...Flexible duct.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A main unit 1 in which an indoor air intake port 4 is formed in a first casing 2 that houses a heat exchange coil 3, and a blower 7 are housed and installed in a double floor. The first casing 2 and the second casing 6 can be connected directly or through a flexible duct 9. A fan coil unit characterized by: (2) The indoor air intake port 4 of the main unit 1 is
The fan coil unit according to claim 1, which is formed on the upper end surface of the main body unit 1 and constitutes the floor surface of the air-conditioned room.