JPH1073310A - Multifunctional cassette type air conditioning unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable better connection of various environment improving devices to a decorative panel by providing a multifunctional cassette type air conditioning unit with the size of a chamber adjustable at a part where the environment improving devices such as air conditioners and all heat exchangers installed within a ceiling space are connected to the decorative panel installed on the ceiling surface to allow the adjusting of the chamber to match the sizes of the various environment improving devices regardless of any change in the size thereof. SOLUTION: An multifunctional cassette type air conditioning unit is built with a link structure of a pair of long frame materials 21 and 22 and three short frame materials 23, 24 and 26. The mounting positions of the short frame materials 23, 24 and 26 are made adjustable in the longitudinal direction of the pair of long frame materials 21 and 22. As a result, the size of chambers (spaces) 27 and 28 made up of the frame materials can be altered to match the sizes of air conditions 10 and all heat exchangers 11 arranged thereon. The installation of this adjusting mechanism enables the producing of a versatile multifunctional cassette type air conditioning unit.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an air conditioner (hereinafter, referred to as "air conditioner" in the detailed description of the invention) and a total heat exchanger on a predetermined panel arranged on a ceiling surface. Regarding the cassette type air conditioner unit necessary for connecting the panel and the device when installing the environment improvement device, in particular, the multifunctional cassette type air conditioner with adjustment function which can be used for mounting various environment improvement devices having different sizes. It is about a unit.

[0002]

2. Description of the Related Art In order to obtain better indoor air, a plurality of environmental improvement functions related to air conditioning are increasingly required. For this reason, as in Japanese Patent Publication No. 7-101116, it has been proposed to install a device in which an air conditioner, a total heat exchanger and a humidifier are integrated in a ceiling space. Such an integrated device is generally a large-sized device specially designed in order to achieve air conditioning of a relatively large indoor space such as the entire floor of a building when building or constructing a building or the like. Then, a duct is connected to the device installed in the ceiling space, and the device and the indoor space are connected via the duct.

[0003] However, when the indoor space for air conditioning is not so large, for example, in each apartment of a condominium or in a private house, a duct is not provided and the room is directly connected to the air. It is preferable to use a simple ceiling-embedded type environmental improvement device that performs suction and discharge. As this type, for example, Japanese Utility Model Publication No. 6-25767 discloses a ceiling-mounted air conditioner. The air conditioner described in this publication has a configuration in which the air conditioner is directly connected to an upper part of a decorative panel arranged on a ceiling surface. Therefore, it is necessary to provide a dedicated decorative panel for the air conditioner so that the ventilation path formed in the decorative panel and the ventilation path formed in the air conditioner are properly connected.

[0004] Japanese Utility Model Application Laid-Open No. 61-164944 also discloses an air-conditioning ventilation fan of a ceiling embedded type. Also in this publication, the panel arranged on the ceiling surface and the air conditioning ventilation fan installed in the ceiling space are directly attached, and a dedicated panel is required for the air conditioning ventilation fan.

[0005]

SUMMARY OF THE INVENTION In order to satisfy a plurality of requirements for an environmental improvement function relating to air conditioning, the above-mentioned Japanese Utility Model No.
In order to apply the air conditioner and air-conditioning ventilation fan described in Japanese Patent No. 25767 and Japanese Utility Model Application Laid-Open No. 61-164944 to the same room, two panels must be provided on the ceiling of the room. In this case, the proportion of the panel occupying the ceiling becomes large, and the panel becomes conspicuous, which impairs the beauty of the ceiling.

Therefore, it is conceivable to install ceiling-improved type environmental improvement devices having different functions on the same panel. However, when a plurality of environmental improvement devices having different functions are used in combination, since the size of each device differs depending on the function, etc., the size of the decorative panel arranged on the ceiling must be changed according to the combination. There is.
Also, when manufacturing a device that combines devices with different functions, in order to reduce the manufacturing cost, instead of manufacturing a new dedicated part with the same shape and size, it is already manufactured as a single unit. There is a demand that parts of existing single-function environmental improvement devices that are sold be used as they are. Furthermore, with regard to decorative panels, the cost of interior decoration can be reduced, and the interior design is easy.
There is a demand to use existing standard products.

[0007] Against this background, the present inventor has proposed a method for connecting a decorative panel installed on a ceiling surface to an environment improvement device such as an air conditioner or a total heat exchange device installed in the ceiling space. The idea is to provide a multifunctional cassette type air conditioning unit capable of adjusting the size of the chamber, and this is embodied. An object of the present invention is to connect various environmental improvement devices such as an air conditioner and a total heat exchange device installed in a ceiling space to a decorative panel arranged on a ceiling surface,
Even if the size of various environment improvement devices changes, the chamber can be adjusted according to the size, and a multifunctional cassette type air conditioner with an adjustment mechanism that can connect the various environment improvement devices and the decorative panel well. The purpose is to provide a unit.

[0008]

According to the first aspect of the present invention,
A multi-function cassette type air conditioning unit that is provided on a predetermined panel arranged on the ceiling surface, mounts a plurality of environmental improvement devices installed in the ceiling space, and can be connected to the panel, A frame comprising a plurality of frame members connected in a predetermined manner is provided, a predetermined portion of a lower edge of the frame forms a lower connection portion connected to the panel, and a predetermined portion of an upper edge of the frame is Forming a mounting portion for mounting the plurality of environmental improvement devices, wherein the framework communicates between an environment improvement device mounted on the mounting portion and a panel connected to the lower connection portion. Is formed, and the frame structure constituted by the plurality of frame members is capable of adjusting a mutual connection mode according to the shape of the environment improvement device attached to the attachment portion, whereby the shape of the chamber is change Characterized in that it is a potential, a multifunctional cassette type air conditioning unit.

According to the first aspect of the present invention, the mutual connection of the framework of the air conditioning unit is adjustable. Therefore, the size of the chamber can be adjusted according to the size of an environment improvement device installed in the ceiling space, such as an air conditioner or a total heat exchange device. Therefore, it is possible to connect between the ventilation path of the air conditioner or the total heat exchange device and the panel arranged on the ceiling surface without air leakage. And
If the size of the device installed in the ceiling space changes, the connection mode of the framework of the air conditioning unit may be adjusted, so that a multifunctional and versatile cassette type air conditioning unit can be obtained.

According to a second aspect of the present invention, in the multi-function cassette type air conditioning unit, the panel has a rectangular planar shape, and the framework includes a pair of long sides extending along a pair of long sides of the panel. And a plurality of short frame members connecting between the pair of long frame members, wherein a connection position of the short frame member with respect to the long frame member is adjustable.

According to the second aspect of the present invention, the frame of the air conditioning unit includes a long frame member and a short frame member, and the connecting position of the short frame member with respect to the long frame member can be adjusted. By arranging the environment improving devices along the long frame material and adjusting the connection position of the short frame material, the device and the panel can be connected well. The invention according to claim 3 is the multi-function cassette type air conditioning unit, wherein the plurality of environmental improvement devices attached to the upper edge of the framework include at least any of an air conditioner, a total heat exchange device, and an air purifier. Characterized in that it includes a combination of

According to the third aspect of the present invention, the apparatus installed in the ceiling space is particularly suitable for an apparatus having an air passage such as an air conditioner, a total heat exchanger, and an air purifier. Can be.

[0013]

An embodiment of the present invention will be described below in detail with reference to the drawings. FIG.
It is an illustrative longitudinal cross-sectional view which shows the example of a connection structure of the decorative panel arrange | positioned at the ceiling surface, the air conditioner installed in the ceiling space, and the total heat exchanger. The mounting structure of FIG. 1 uses a multifunctional cassette type air conditioning unit according to one embodiment. FIG. 2 is an exploded perspective view for explaining the connection structure shown in FIG.

First, referring to FIG. 1, an opening 2 is formed in a ceiling 2, and a decorative panel 3 is formed in the opening 2.
Is fitted. The decorative panel 3 includes a frame 4 attached to the ceiling 1 so as to cover the periphery of the opening 2, and a hatch 5 attached to the main center of the frame 4 so as to be openable and closable. Although not shown, an air inlet and an air outlet are formed in the hatch 5, and the air in the room 6 is taken in and is blown out into the room 6 as shown by the thick black arrow and the white arrow. Hatch 5 for decorative panel 3
Is opened toward the room 6 when the air conditioner 10 or the total heat exchanger 11 is maintained.

An air conditioner 10 and a total heat exchanger 11 are installed in the ceiling space 7. The air conditioner 10 and the total heat exchange device 11 are located above the decorative panel 3 corresponding to the decorative panel 3. The air conditioner 10 and the total heat exchange device 11 are disposed adjacent to each other, and are each suspended from a beam or the like of the building by a wire 12 or the like and held.

The air conditioner 10, the total heat exchange device 11, and the decorative panel 3 are connected by a multifunctional cassette type air conditioner unit 20 according to one embodiment of the present invention. The cassette type air-conditioning unit 20 connects the decorative panel 3 with the air conditioner 10 and the total heat exchange device 11,
They are connected with almost no air leakage. Therefore,
The air in the room 6 taken in through the hatch 5 is cooled or heated by the heat exchanger 13 of the air conditioner 10, passes through the cassette type air conditioning unit 20 and the hatch 5, and returns to the room 6.
Returned to

Further, in the total heat exchange device 11, heat energy is exchanged in the heat exchange element 14 between the air taken in from the room and the air in the room 6 taken through the hatch 5 and the cassette type air conditioning unit 20. You. The indoor air is blown out of the room, and the outdoor air is blown out of the room. Next, referring to FIG. 2, the decorative panel 3 has a rectangular planar shape. The cassette type air conditioning unit 20 has a rectangular planar shape so as to correspond to the planar shape of the decorative panel 3. To be more precise, in the cassette type air conditioning unit 20, a plurality of frame members are connected in a predetermined manner, and the planar shape is a substantially rectangular shape.

The specific structure of the cassette type air conditioning unit 20 is as follows. That is, a pair of long frame members 2
A plurality of connecting the pair of long frame members 21 and 22;
In this embodiment, three short frame members 23, 24, and 26 are included. The pair of long frame members 21 and 22 are respectively attached along the long sides of the decorative panel 3. For this reason,
The length of the long frame members 21 and 22 is substantially the same as the length of the decorative panel 3 in the long side direction.

As a modification, the long frame members 21 and 22 are used.
May be longer than the long side of the decorative panel 3. The three short frame members 23, 24, and 26 have the same length, and are all substantially the same as the short side length of the decorative panel 3. In addition, of the three short frame members 23, 24, 26, the two short frame members 23, 26 disposed at both ends are provided with connection plates 36, 37, respectively, which constitute lower connection portions. The connection plate 36 is formed by bending the lower side of the short frame member 23 outward in the substantially horizontal direction (right side in FIG. 2), and is integrated with the short frame member 23. Similarly, the connection plate 37 has the lower side of the short frame member 26 bent outward to the left side in FIG. 2 and extends substantially in the horizontal direction. The overhang dimension of the connection plates 36 and 37 is set to a dimension necessary and sufficient for adjusting the positions of the short frame members 23 and 26, and may be different between the two. Specifically, when the short frame members 23 or 26 are moved in a direction approaching each other, an opening communicating with the decorative panel 3 is generated at the lower right side of the short frame member 23 or the lower left side of the short frame member 26. . The connection plates 36 and 37 serve to close this opening. Furthermore, a pair of long holes 38, 39, which are used when connecting the cassette type air conditioning unit 20 to the decorative panel 3 are provided in the connection plates 36, 37, respectively.
40 and 41 are formed.

The long frame members 21 and 22 and the short frame member 2
Each of 3, 24, and 26 has a predetermined height h in the vertical direction. Further, the long frame members 21 and 22 and the short frame member 2
4 has an upper side and a lower side bent in the horizontal direction, and has a substantially U-shaped cross section in a direction perpendicular to the length direction. Thereby, the torsional strength of each frame member is increased. The lower sides of the short frame members 23 and 26 disposed at both ends are provided with the connection plates 36 and 37 as described above, and the upper sides thereof are bent in the horizontal direction similarly to the other frame members. .

Further, the horizontally bent portions of the upper sides of the short frame members 23, 24 and 26 form attachment portions for attaching the air conditioner 10 and the total heat exchanger 11. In this embodiment, screws, bolts, and nuts are provided between the pair of long frame members 21 and 22 and the decorative panel 3 and between the pair of long frame members 21 and 22 and the air conditioner 10 or the total heat exchanger 11. And so on. That is, the short frame members 23, 26 and the decorative panel 3 are fixed with bolts and nuts, and the short frame members 23, 24, 26 and the air conditioner 10 and the total heat exchanger 11 are fixed with bolts, nuts, screws, and the like. It is.

The multifunctional cassette type air-conditioning unit 20 according to this embodiment is provided at a predetermined interval (specifically, the decorative panel 3).
, A pair of long frame members 21,
22 are connected by three short frame members 23, 24, and 26, and the overall planar shape is substantially rectangular.
Then, a pair of long frame members 21 and 22 and two short frame members 23,
A relatively large space 27 having a planar rectangular shape formed by 24 serves as, for example, a chamber for the air conditioner 10. Also, a pair of long frame members 21 and 22 and two short frame members 2
The rectangular space 28 having a relatively small planar shape formed by the heat exchangers 4 and 26 serves as, for example, a chamber for the total heat exchanger 11.

FIG. 3 is an enlarged view of a portion A surrounded by a broken line in FIG. Referring to FIG. 3, both ends of the short frame member 26 in the length direction are each bent inward at a substantially right angle to form a connection piece 31. Connecting piece 31
Is in contact with the inside of the long frame member 21. In the connecting piece 31,
Upper and lower two long holes 29 and 30 are formed to extend in the length direction of the long frame member 21 when the long frame member 21 is in contact with the long frame member 21. On the other hand, two connection holes 32 and 33 are formed at the end of the long frame member 21 in the up-down direction.

The connection between the long frame member 21 and the short frame member 23 is made by combining the long frame member 21 and the short frame member 23 such that the connection holes 32 and 33 and the long holes 29 and 30 communicate with each other. This is achieved by passing bolts 34 and 35 through the combined holes and screwing a nut (not shown). At this time,
By the length of the long holes 29, 30 formed in the connecting piece 31,
The short frame member 26 can be moved. That is, the long frame material 2
The short frame member 26 can be adjusted by the length of the long holes 29 and 30 in the length direction of one.

When the short frame member 26 is moved rightward in FIG. 3, the vertical portion of the short frame member 26 moves inside the left side of the decorative panel 3. However, on the lower side of the short frame member 26, as described above, the connection plate 37 extending outward in a substantially horizontal direction is provided. Therefore, the left side of the decorative panel 3 is covered with the connection plate 37. On the left side of the decorative panel 3, a mounting bolt 42 is erected from below. The mounting bolt 40 is passed through a long hole 41 formed in the connection plate 37, and a nut (not shown) is screwed from above. Thereby, the connection plate 37 and the decorative panel 3 are fixed.

The length of the long hole 41 formed in the connecting portion 37 is the same as the length of the long hole 29, 3 formed in the connecting piece 31 described above.
The length is equal to 0. Reference numeral 43 in FIG. 3 is a hole through which screws and the like are passed when, for example, the total heat exchanger is fixed. In the above description, only the portion A surrounded by the dashed circle in FIG. 2 is described. However, the connection structure of the short frame member 23 to the pair of long frame members 21 and 22 and the short frame member 23 and the decorative panel 3 A similar structure is adopted for the connection structure of (1).
In the same manner as described above, the connection structure of the short frame member 24 to the pair of long frame members 21 and 22 also has connection pieces formed at both ends of the short frame member 24, and the long hole and the long frame formed in the connection piece. Lumber 21,
This is achieved by fixing the connection holes formed in the base 22 with bolts and nuts.

Therefore, the mounting positions of the short frame members 23, 24, 26 with respect to the long frame members 21, 22 are determined by the long frame members 21, 22.
Can be adjusted in the length direction. As a result, the sizes of the chambers (spaces) 27 and 28 formed by the long frame members 21 and 22 and the short frame members 23, 24 and 26 can be changed. This change is made in accordance with the size of the air conditioner 10 and the total heat exchanger 11 attached to the upper part of the cassette type air conditioning unit 20. Therefore, even if the size of the air conditioner 10 or the total heat exchange device 11 to be attached changes, it can be dealt with by the cassette type air conditioning unit 20 having the same configuration.

Still referring to FIG. 3, a pair of connecting holes 32, 33 are formed in the long frame member 21 at regular intervals in the longitudinal direction thereof, for example, at intervals approximately twice the length of the elongated holes 29, 30. If it is formed, the short frame member 2 with respect to the long frame members 21 and 22 is formed.
The connection position of 3, 24, 26 can be adjusted to an arbitrary position in the length direction of the long frame members 21, 22. In the above-described embodiment, both ends of the short frame members 23, 24, and 26 are bent in a direction orthogonal to the length direction, and a connection piece 31 is formed there. The configuration to be formed is shown. Instead of such a configuration, a connection hole may be formed in the connection piece 31 and a long hole extending in the length direction of the long frame members 21 and 22 may be formed in the long frame members 21 and 22.

Alternatively, connecting pieces 31 are provided at both ends of the short frame members 23, 24 and 26, and bolts projecting from the connecting pieces 31 are connected to the connecting pieces 3 without forming connecting holes in the connecting pieces 31.
1 may be integrally formed. Alternatively, the connecting piece 31 may be omitted, and connecting bolts projecting from both ends may be formed at both ends of the short frame members 23, 24, 26.

FIG. 4 is a side view showing a state where the air conditioner 10 and the total heat exchanger 11 are mounted on the decorative panel 3 using the multifunctional cassette type air conditioning unit with the adjusting function shown in FIGS. FIG. FIG. 4A is a configuration diagram when a relatively large air conditioner 10 and a total heat exchange device 11 are arranged. in this case,
In the cassette type air conditioning unit 20, the short frame members 23 and 26 are moved to both ends of the long frame member (not shown), and the short frame member 24 at the center is located at a position opposite to the air conditioner 10 and the total heat exchanger 11. Are located. The air conditioner 10 and the total heat exchange device 11 are fixed to the short frame members 23, 24, 26.

FIG. 4E shows an example in which a relatively small air conditioner 10 and a total heat exchanger 11 are mounted. In this example, the longitudinal dimension in which the air conditioner 10 and the total heat exchanger 11 are arranged is smaller than the longitudinal dimension of the decorative panel 3. Therefore, the cassette type air conditioning unit 20
In the figure, the short frame members 23 and 26 at both ends are moved to the side approaching each other along the long frame member (not shown). In this case, the upper portion along the short side of the decorative panel 3 is covered with the connection plates 36 and 37 as described above, and no gap is generated. Therefore, there is no large air leakage from the chambers 27 and 28.

As described above, even if the combination length of the air conditioner 10 and the total heat exchanger 11 mounted on the multi-function cassette type air conditioning unit 20 changes, the short frame member 23 is adjusted in accordance with the change. , 24, 26, the multifunctional cassette type air conditioning unit 20 can be made versatile. As a result, regardless of the size of the air conditioner 10 and the total heat exchange device 11, the decorative panel 3 which is a predetermined standard product can be used.

Further, the connecting position of the short frame members 23, 24 and 26 can be adjusted with respect to the long frame members 21 and 22. The connection position may be adjustable. In other words, a connection structure that allows the arrangement interval of the pair of long frame members to be widened or narrowed or adjusted may be adopted. Further, a connection structure in which both the arrangement interval of the short frame members and the arrangement interval of the long frame members may be adjustable.

In the above-described embodiment, the case where the air conditioner 10 and the total heat exchanger 11 are installed in the ceiling space 7 has been described. The multifunctional cassette type air-conditioning unit according to the present invention is applicable to various combinations such as a case where two air conditioners are installed in a ceiling space and a case where a total heat exchange device and an air purifier are installed in a ceiling space. Can cope.

Further, the number of environmental improvement devices mounted on the multi-function cassette type air conditioning unit 20 with the adjusting function is not limited to two, but may be, for example, when three units of an air conditioner, an air purifier and a total heat exchanger are installed. Can also be applied. In that case, the number of short frames may be increased as necessary.

[0036]

According to the present invention, in a multi-function cassette type air conditioning unit for connecting a predetermined panel arranged on a ceiling surface and a plurality of environmental improvement devices installed in the ceiling space, The shape of the chamber of the air conditioning unit can be changed according to the size of the environment improvement device installed in the ceiling space. A cassette type air conditioning unit can be provided.

More specifically, the environmental improvement devices installed in the ceiling space include, for example, an air conditioner, a total heat exchange device,
There are devices having different functions such as air purifiers, and a plurality of such devices are installed as needed. When the multi-function cassette type air-conditioning unit according to the present invention is used, the combination of the installed environmental improvement devices changes, and even if the size of the device changes, the multi-function cassette type air-conditioning unit is adjusted accordingly. The coupling structure can be adjusted. As a result, the shape of the chamber connected from the panel to the environment improvement device can be changed according to the shape of the installed environment improvement device, and no air leakage or the like occurs in the cassette type air conditioning unit.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a mounting structure of a decorative panel employing a cassette type air conditioning unit according to an embodiment of the present invention, an air conditioner, and a total heat exchanger.

FIG. 2 is an exploded perspective view of the mounting structure shown in FIG. 1 and is a diagram schematically represented.

FIG. 3 is an enlarged view of a portion indicated by a broken line mark A in FIG. 2;

FIG. 4 is an illustrative view showing a case where a mounting structure when the air conditioner is large and a case where a mounting structure when the air conditioner is small are realized using the cassette type air conditioning unit according to the embodiment of the present invention;

[Explanation of symbols]

 Reference Signs List 1 ceiling 3 decorative panel 7 ceiling space 10 air conditioner (air conditioner) 11 total heat exchange device 20 cassette type air conditioning unit 21, 22 long frame material 23, 24, 26 short frame material 29, 30, 38, 39, 40, 41 Slots 36, 37 Connecting plate

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takeshi Takeshi 1-18-18 Nishiki, Naka-ku, Nagoya City Inside Nagoya Branch, Takenaka Corporation (72) Inventor Yoshiki Hirose 1-18-18 Nishiki, Naka-ku, Nagoya City No. 22 Takenaka Corporation Nagoya Branch (72) Inventor Junichi Morita 18-18 Nishiki, Naka-ku, Nagoya City Takenaka Corporation Nagoya Branch (72) Inventor Toru Fujimoto 1304 Kanaokacho, Sakai City, Osaka Address: Daikin Industries, Ltd.Sakai Factory Co., Ltd. (72) Inventor Kiyoto Hamaguchi 1304, Kanaokacho, Sakai City, Osaka Daikin Industries, Ltd.

Claims (3)

[Claims] A plurality of environmental improvement devices (10, 11) provided on a predetermined panel (3) arranged on a ceiling surface and installed in a ceiling space (7) are mounted on the panel. A multifunctional cassette type air conditioning unit (20) connectable to (3), comprising a frame (20) formed by connecting a plurality of frame members (21 to 26) in a predetermined manner. (20) A predetermined portion of a lower edge of the frame (20) forms a lower connection portion (36, 37) connected to the panel (3), and a predetermined portion of an upper edge of the framework (20) corresponds to the plurality of environmental improvements. The frame (20) is provided with an environment improving device (10, 11) attached to the mounting portion, and the lower connecting portion (36, 37). Forming a chamber (27, 28) communicating with a panel (3) connected to the frame (20), and a frame (20) composed of the plurality of frame members (21 to 26);
According to the shape of the environmental improvement device (10, 11) attached to the attachment portion, the mutual connection mode can be adjusted, whereby the shape of the chamber (27, 28) can be changed. The multifunctional cassette type air conditioning unit (20). 2. The multi-function cassette type air conditioning unit (20) according to claim 1, wherein said panel (3) has a rectangular planar shape, and said frame (20) is formed of said panel (3). A pair of long frame members (21, 22) extending along a pair of long side directions, and a plurality of short frame members (23 to 26) connecting between the pair of long frame members (21, 22); A multifunctional cassette type air conditioning unit (20), characterized in that the connection position of the short frame member (23-26) with respect to the long frame member (21,22) is adjustable. 3. The multi-function cassette type air conditioning unit (20) according to claim 1, wherein the plurality of environmental improvement devices (10, 11) attached to the upper edge of the framework (20) have at least air conditioning. A multi-function cassette type air conditioning unit (20), characterized in that it comprises a combination of any of the devices (10), a total heat exchange device (11) and an air purifier.