JPH0762531B2 - Multi-component air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is a multi-component air conditioner capable of flexibly responding to multiple office buildings represented by intelligent buildings with a single air conditioner for a plurality of zones. Regarding

[Prior Art] FIG. 3 is a diagram showing an example of a conventional multi-zone air conditioner,
FIG. 4 is a diagram showing an example of a conventional indoor unit-type air conditioner.

As a device that can handle a plurality of zones with one air conditioner, there is a multi-zone air conditioner of the type shown in FIG. 3 conventionally. This is to install a filter 25, a blower 21, coils 22 and 24, which are the constituent units of an ordinary air conditioner, to introduce return air or outside air from the rear side, and to distribute the supply air through a duct from a damper 23 on the front side. Therefore, one air conditioner is used to cope with spaces having different uses.

Further, from the viewpoint of a unit type air conditioner installed indoors, there is a type having a small air flow type as shown in FIG. 4 and including a control mechanism. This has a structure in which a plurality of blowers 26 and air supply ports 29 are provided, and return air is introduced from one side of the front surface and air is supplied from the other side.

[Problems to be solved by the invention]

However, in the conventional multi-zone type air conditioner, the introduction of return air or outside air and the supply of air are divided into a rear side and a front side, and the installation location of the unit is limited to the space partitioned as an air conditioner room.

Even in the unit type air conditioner, no consideration has been made on the ease of maintenance due to componentization and the ability to handle different load zones in the same room of a multifunctional office with one unit.

The present invention is based on the above consideration, and is a multi-component air conditioner capable of flexibly adapting to diversifying office building spaces, downsizing assuming installation in an office, and simplifying maintenance. For the purpose of providing.

[Means for solving problems]

Therefore, the multi-component air conditioner of the present invention is
A multi-component air conditioner that can handle multiple zones with different load types with a single unit, such as a return air duct for introducing return air or outside air, a filter, a humidifier, a fan, and a coil for cooling or cooling / heating. , A blower outlet unit, and a control mechanism, and a plurality of fans and a blower outlet unit.

[Action]

Since the multi-component air conditioner of the present invention is provided with a plurality of fans and outlet units, it is possible to control the amount of air blown by a plurality of fans, and the plurality of outlet units can respectively correspond to a plurality of zones with different load types. . Therefore, it is possible to centrally install and manage the air conditioning equipment in a plurality of zones.

〔Example〕

 Hereinafter, embodiments will be described with reference to the drawings.

FIG. 1 is an internal configuration diagram showing one embodiment of a multi-component air conditioner according to the present invention, and FIG. 2 is an external view of the multi-component air conditioner shown in FIG. In the figure, 1 is an outlet unit, 2 is a cold / hot water coil, 3 is a cold water coil, 4 is a blower, 5 is a humidifier, 6 and 7 are filters, 8 is a drain pan, 9 is a bypass air duct, and 10 is a return air duct. , 11 is an automatic valve, 12 is a hot and cold water pipe, 13 is a cold water pipe, 14 is an air supply port, 15 is a return air port, 16 is an outside air intake port, 17 is an inspection door, and 18 is a partition wall.

The multi-component air conditioner according to the present invention includes a central air conditioner part and a part of the return air duct 10 which also functions as a side pipe shaft from the upper end to the lower part by a partition wall 18 as shown in the internal configuration diagram of FIG. In this configuration, the return air and the outside air are introduced from above the return air passage 10 to reach the plurality of outlet units 1 from below the return air passage 10 through the central air-conditioning equipment part. Therefore, in the central air-conditioning equipment part, the pre-filter 7 and the filter 6 composed of a unit type or an electrostatic precipitator are first arranged from the lower side, and the humidifier 5 and the plurality of blowers are directed toward the upper air outlet unit 1. 4, a cold water coil 3 and a cold / hot water coil 2 are arranged. Further, the cold water coil 3 and the cold / hot water coil 2 are arranged side by side, and a bypass air passage 9 is provided on the back surface thereof. On the other hand, cold / hot water coil 2
A hot / cold water pipe 12 is connected to the return air passage 10 on which the cold water coil 3 is arranged, and a cold water pipe 13 is connected to the return air passage 10 on which the cold water coil 3 is arranged, each of which is connected by an automatic valve 11. . In addition, the control mechanism that controls all of these is
Although not shown, it is installed, for example, next to the blower 4 or in any other empty space.

Corresponding to the above internal structure, as shown in the external view of FIG. 2, the air supply port 14 is provided at the center of the upper part, the return air ports 15 are provided on both sides thereof, and the outside air intake 16 is provided on the side surface side thereof. An inspection door 17 is provided below the opening 14 so that the air conditioning equipment can be inspected. Therefore, when inspecting the equipment, by opening and closing the inspection door 17, it is possible to inspect and confirm each package shown in the internal configuration diagram of FIG. 1, and each componentized part can be replaced in a short time. It will be possible.

As described above, the multi-component air conditioner according to the present invention has all the necessary functions including peripheral functions and is integrated in the casing. The main functions that are different from the conventional air conditioners are the incorporation of pipes such as the hot and cold water pipes 12 and the cold water pipes 13, the incorporation of automatically controlled valves such as the automatic valve 11 and the VAV function of the air outlet unit 1. And the function as a mixing chamber is also used.

Next, the flow of air in the multi-component air conditioner according to the present invention will be described. The air introduced from the return air port 15 and the outside air intake port 16 is the return air duct that doubles as the pipe shaft.
After passing through 10, through pre-filter 7 and filter 6,
When humidification is required, it is humidified by the humidifier 5. A plurality of blowers 4 are installed so that the number of blowers can be controlled, and the blow rate is controlled by controlling the number of blowers as needed in the room. The heat exchanger (coil) includes a hot / cold water coil 2 and a cold water dedicated coil 3, and the cold water dedicated coil 3 side is used for applications in which normal cooling is required. Therefore, the amount of air blown by the blower 4 is controlled, the heat is exchanged through the coils 2 and 3, and the air is blown from the air outlet unit 1 into the room for each system. In the outlet unit 1, the air that has bypassed through the bypass air passage 9 and the air that has been heat-exchanged through the coils 2 and 3 do not pass through the coil due to the degree of heat load in the room and are mixed (mixing chamber). Or adjust the air flow rate (VAV function). The method is, for example, as shown in the external view of FIG. 2 (d), in which the cylindrical outlet unit 1 is composed of the inner cylinder portion 20 and the outer cylinder portion 9, and the positional relationship of the openings O formed in each of them. This is done by changing the area through which the air passes.
The inner cylinder portion 20 is rotated by a motor M as needed,
The motor M is controlled by the control mechanism.

Further, the flow on the water side uses a return air duct 10 for introducing return air and outside air as a pipe shaft space, and cold / hot water or cold water is supplied there through a cold / hot water pipe 12 and a cold water pipe 13, but the amount of water The automatic valve 11 is controlled by a control mechanism incorporated in the air conditioner to control an appropriate amount of water as required.

The present invention is equipped with an air heat source heat pump function as a heat source, and a heat source function-equipped multipurpose air conditioner having a function as the air conditioner by using a refrigerant direct cooling or a heating coil for the air cooling or heating device. Can be used as

〔The invention's effect〕

As is apparent from the above description, according to the present invention, the cooling and cooling heating coil, the filter, the fan, the piping, the control mechanism, etc. are provided as components, and the VAV function and the mixing chamber are also provided as a plurality of zones. Since it is configured to do so, it is possible to easily meet the diversifying demands of office buildings. In addition, the ease of maintenance and replacement of parts can be improved by making the components. Furthermore, low noise and downsizing can be realized, and the installation place can also be an office room, so that the effective area ratio of the office space can be improved.

[Brief description of drawings]

FIG. 1 is an internal configuration diagram showing one embodiment of a multi-component air conditioner according to the present invention, FIG. 2 is an external view of the multi-component air conditioner shown in FIG. 1, and FIG. 3 is a conventional multi-zone type. FIG. 4 is a diagram showing an example of an air conditioner, and FIG. 4 is a diagram showing an example of a conventional indoor installation unit type air conditioner. 1 ... Air outlet unit, 2 ... Cold / hot water coil, 3 ... Cold water coil, 4 ... Blower, 5 ... Humidifier, 6 and 7 ... Filter, 8 ... Drain pan, 9 ... Bypass air passage, Ten
...... Return air duct, 11 …… Automatic valve, 12 …… Cold and hot water pipe, 13 ……
Chilled water pipe, 14 ... Air supply port, 15 ... Return air port, 16 ... Outside air intake, 17 ... Inspection door, 18 ... Bulkhead, 19 ... Outer cylinder part, 20 ...
… Inner cylinder part.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shoji Funaki, 1 Okawa-cho, Higashi-ku, Osaka-shi, Osaka, Shinko Industry Co., Ltd. (72) Inventor Akira Oku, 1-kawara-cho, Higashi-ku, Osaka, Osaka (72) Inventor Kei Hirota 4-11-34 Higashishinagawa Shinagawa-ku, Tokyo Toyo Seisakusho Co., Ltd. (72) Inventor Takeo Asahi 4-11-34 Higashishinagawa Shinagawa-ku, Tokyo Toyo Seisakusho (72) Inventor Seishiro Igarashi, 2-16-1, Kyobashi, Chuo-ku, Tokyo Shimizu Construction Co., Ltd. (72) Inventor Masaaki Go, 2-16-1, Kyobashi, Chuo-ku, Tokyo Shimizu Construction Co., Ltd.

Claims (5)

[Claims] 1. A multi-component type air conditioner capable of coping with a plurality of zones having different load types by one unit, which includes a return air duct for introducing return air and outside air, a filter, a humidifier, a fan, a cooling unit, and the like. A multi-component air conditioner comprising a coil for cooling and heating, an outlet unit, and a control mechanism, and a plurality of fans and an outlet unit. 2. The multi-component air conditioner according to claim 1, wherein the return air passage is also used as a pipe shaft. 3. The multi-component air conditioner according to claim 2, wherein the coil comprises a cold water coil and a cold / hot water coil, and a cold water pipe and a cold / hot water pipe are connected to the return air passage. 4. The multi-component air conditioner according to claim 1, wherein the air outlet unit has a function of adjusting the air flow rate. 5. A bypass air passage is provided on the back surface of the coil, and the air outlet unit has a function of mixing air that has passed through the coil and air that has bypassed the coil. The multi-component air conditioner according to item 1.