JP2002005470A - Ceiling panel structure for ceiling-embedded type air conditioning apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling panel structure wherein it is applicable to an existing ceiling-embedded type air conditioning apparatus and contamination of a ceiling surface is restricted to a minimum. SOLUTION: A ceiling panel structure 10 is mounted on a ceiling 201 on the downstream side of a blow-off outlet 211 for air conditioning apparatus 200 including an indoor air suction inlet 210 at the center thereof and the blow- off outlet 211 for air conditioning air at a peripheral edge thereof. The ceiling panel structure 10 is adapted to be mounted on the ceiling 201 and include a substantially rigid diversion/induction section 47 for air conditioning air streams S1, S2 to divert them such that part of the air conditioning air stream blown off from the blow-off outlet 211 of the air conditioning apparatus 200 is returned to the indoor suction inlet 210. The ceiling panel structure 10 typically includes a base member 20 mounted on the ceiling 201 and a cover member 40 mounted on the base member 20 and equipped with a diversion/induction section 47, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-mounted air conditioner (hereinafter also referred to as "ceiling-mounted air conditioner").
The present invention relates to a technique for suppressing ceiling dirt due to air-conditioning air blown out from an air outlet.

[0002]

2. Description of the Related Art A ceiling-mounted air conditioner is provided with an indoor air inlet at a central portion of a bottom portion of the device, an air outlet of conditioned air at a peripheral portion thereof, and an indoor air at a central portion of a bottom portion of the air conditioner. After the room air is sucked in through the inlet and heated or cooled by the heat exchanger, it is blown out as conditioned air from the outlet at the peripheral edge of the bottom.

[0003] Since the conditioned air is blown in a direction substantially along the ceiling surface so as to spread over a wide area of the room, it is easy to flow along the ceiling surface, and the air itself is contaminated or wound when the conditioned air is blown out. The ceiling near the outlet is soiled due to the contamination of the indoor air. If the air conditioner has been used for a long time, the dirt becomes unsightly and hard to ignore.

In order to cope with such a problem, in order to change the direction of the conditioned air flow at the air outlet, the inclination of the wind direction plate must be changed.
It can be adjusted according to the degree of contamination of the indoor air or changed according to the cooling and heating (for example, Japanese Patent Application Laid-Open No. H8-100942). Changing the direction and the size of the opening (for example, JP-A-7-324802, JP-A-8-313042, JP-A-9-222)
237) has been proposed.

However, these are intended to directly regulate and control the flow of conditioned air at an air outlet which is part of the outer frame or frame of an air conditioner whose size is practically limited or which is attached to the frame. However, even if it is attempted to directly control the entire flow at the outlet having a large flow rate and flow rate, if the air-conditioned air flow is not directed to the ceiling surface, the air-conditioned air flow may not sufficiently spread into the room. In addition to the above, there is a possibility that it is not always possible to expect the expected effect, and that if the flow velocity / flow rate itself changes, there is a possibility that the adjustment needs to be changed. In addition, it does not solve the problem of dirt on the ceiling surface at the use site of the existing air conditioner.

Attempts have been made to attach a transparent plastic film bent at an obtuse angle to an area of the ceiling surface where dirt is likely to occur, but this is merely an ad hoc measure.

On the other hand, it has also been proposed to form an arcuate curved portion at the periphery of an air conditioning duct opened at the ceiling to suppress the ceiling surface from being stained (Japanese Utility Model Laid-Open No. 7-1284).
No. 7). However, in the case of an air-conditioning duct, there is no suction port and the entire opening is an air outlet, so the behavior of the air-conditioned air flow ejected from the air outlet is that of an air conditioner with an air inlet at the center and an air outlet at the periphery. It is different from the device.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has as its object to be applicable to an existing ceiling-mounted air conditioner and to make the ceiling surface dirty. It is an object of the present invention to provide a ceiling panel structure capable of minimizing noise.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, a ceiling panel structure according to the present invention has a ceiling-embedded air having a room air inlet at a center portion and a conditioned air outlet at a peripheral portion. A ceiling panel structure configured to be attached to a ceiling on a downstream side of an air outlet of the air conditioner, which is configured to be installed on the ceiling outside the air conditioner, and blown out from an air outlet of an air conditioner. In order to divert the conditioned air flow so as to return a part of the conditioned air flow to the room air suction port, a turning guide is provided which is substantially rigid with respect to the air flow.

The ceiling panel structure of the present invention is configured so as to be attached to the ceiling outside the air conditioner, and to return a part of the conditioned air flow blown out from the air outlet of the air conditioner to the indoor air inlet. The air conditioner is provided with a turning guide that is substantially rigid with respect to the air flow in order to turn the air flow. '' The conditioned air flow can be diverted so that part of the conditioned air flow blown out from the air outlet of the air conditioner returns to the indoor air inlet, and the conditioned air blown out from the conditioned air outlet hits the ceiling surface or hits the ceiling surface. Because it can minimize spreading along
Due to fine particles such as solid or liquid contained in conditioned air,
Dirty ceiling surfaces can be minimized. Here, since the turning guide is substantially rigid with respect to the air flow, even when the flow of the conditioned air is relatively strong, the turning guide can turn the conditioned air flow in a predetermined direction. Further, since the ceiling panel structure is located at a certain distance from the air outlet of the air conditioner and in the vicinity of the ceiling surface of the space opened into the room, the air-conditioned air flow spreads and hits to some extent before hitting the turning guide of the ceiling panel structure. In this case, the air-conditioning airflow hitting the turning guide can be appropriately turned. The turning guide typically comprises a turning guide portion having a concave curved guide surface and turning along the guide surface, but if it can largely change the wind direction, its detailed or specific shape is Anything is fine. Note that, in order to largely change the direction of the air-conditioned air flow by the turning guide portion, it is typically preferable to reduce the flow velocity and suppress the wind pressure in advance, as described later. Since the ceiling panel structure is attached to the ceiling surface around or outside the air conditioner on the downstream side of the air-conditioned air outlet, the air conditioner may already be arranged on the ceiling, Since the ceiling panel structure of the present invention is disposed around an air conditioner already embedded in the ceiling, the ceiling panel structure can not only prevent the ceiling from being stained by the air conditioner, but also can prevent the ceiling from being stained. Covering a part helps to make the dirt less noticeable.

Considering the ease of mounting the ceiling panel structure on the ceiling surface, the ceiling panel structure is typically
At least one base member configured to be attached to a ceiling outside the air conditioner and having an engagement portion on a side opposite to a side facing the ceiling, and an engagement portion of the at least one base member. A cover member that is configured to be engaged with the engaging portion and fixed to the base member, wherein the cover member allows a part of the conditioned air flow blown out from the air outlet of the air conditioner to be supplied to the indoor air inlet. And a turning guide substantially rigid with respect to the air flow to turn the air flow back to the air flow.

[0012] In such a ceiling panel structure, the cover member turns the air-conditioning air flow so as to turn a part of the air-conditioning air flow blown out from the air outlet of the air conditioner back to the room air suction port. A turning guide portion that is substantially rigid with respect to the flow '', so that the cover member is simply engaged and fixed to a base member attached to a predetermined position on the ceiling, and the turning guide portion of the cover member allows the air conditioner to be provided. The air-conditioning air flow blown from the outlet of the air-conditioning air hits the ceiling surface or along the ceiling surface so that a part of the air-conditioning air flow blown out from the air outlet can return to the indoor air suction port. Spreading can be minimized. Further, since the turning guide of the cover member is substantially rigid with respect to the airflow, the conditioned airflow can be turned in a predetermined direction even when the flow of the conditioned air is relatively strong. Furthermore, since the cover member is located at a certain distance from the air outlet of the air conditioner and in the vicinity of the ceiling surface of the space opened indoors, the conditioned airflow hitting the turning guide is easily moderately turned.

[0013] In such a ceiling panel structure,
`` At least one base member configured to be attached to the ceiling outside the air conditioner and provided with an engagement portion on a side opposite to the side facing the ceiling, and an engagement portion of the at least one base member. And a cover member configured to be engaged with the engaged portion and fixed to the base member, so that the cover member can be easily fixed to a predetermined position on the ceiling surface.

That is, if it is intended to directly fix a cover member having a structure for adjusting the flow of air-conditioned air and necessarily having a certain thickness to the ceiling surface in such a manner as not to impair its appearance, mounting screws are required. It is required to have a structure that makes it difficult to see the head, such as the installation work performed from below toward the ceiling surface may be troublesome, or even a simple installation may require multiple workers, Basically, it is possible to easily attach the cover member by engaging the engaged portion formed on the side facing the base with the engaging portion of the base member. Thus, even a minimum number of workers (for example, one person) can mount the cover member.

Further, since the base member is provided separately from the cover member, the base member has a structure having an engaging portion which can be easily attached to the ceiling surface and easily engaged with the cover member without considering the appearance. May be formed. As a result, the base member can be easily mounted on the ceiling surface, and the base member can be mounted by a minimum number of workers (for example, one person). Further, since the engaging portion of the base member can be covered and covered by the cover member, a desired shape or structure that can be easily and firmly engaged and fixed can be selected as the engaged portion of the cover member. Engagement and fixation of the cover member to the base member can also be easily performed. Therefore, both the attachment of the base member to the ceiling surface and the engagement / fixation of the cover member to the base member can be performed by a minimum number of workers (for example, one person). As a result, the ceiling panel structure can be attached to the ceiling surface. The installation can be performed by a minimum number of workers (for example, one person). Even if each of the cover member and the base member is formed of a single or integral member,
It may be a combination of a plurality of members.

The ceiling-embedded air conditioner has an external shape, that is, an air conditioner embedded in the ceiling, as long as it has an indoor air suction port at the center and an air outlet for conditioned air at the periphery. The two-dimensional shape which extends along the ceiling surface may be a rectangle such as a square or a rectangle, or any other shape. Of course, the air conditioner has a three-dimensional shape that protrudes from the ceiling surface to some extent, but as long as it has an indoor air inlet at the center and an air-conditioning air outlet at the periphery, it has three-dimensional shape. The shape may be any shape.

The air outlet of the conditioned air is formed at the peripheral edge and is configured to blow out the conditioned air at least to the outside even if there is an air outlet at a part of the peripheral edge. In practice, the outlet may be provided almost all around. For example,
If the plane shape of the ceiling surface of the air conditioner is a typical substantially rectangular shape, the air outlet may be formed along only one of the four sides of the rectangle, but practically along two parallel sides. It may be formed in parallel or along all four sides, and in some cases, there may be an outlet at the corner.

[0018] The ceiling panel structure typically has a cover member provided with a turning guide for each air outlet of the air conditioner so as to turn the flow of conditioned air blown out from the air outlet. Therefore, when only one air outlet is formed in a straight line, typically, the cover member is also formed of a single linear cover member (of course, one linear cover member is formed by combining a plurality of portions. May be). However, if desired,
Even if a corner cover member (bent at a corner) is further provided at the end of the linear cover member as a cover member, a rectangular or quadrilateral shape may be provided so as to surround the entire periphery of the air conditioner in some cases. A cover member may be provided in a frame shape so as to form a closed curve such as described above.

The base member typically has substantially the same planar shape as the cover member so that the cover member can be engaged and fixed, and when the cover member is a linear cover member, the base member has When the cover member comprises a corner cover member bent at a corner, the base member also comprises a corner base member bent at a corner. However, the base member may have a planar shape different from that of the cover member as long as the cover member can be engaged and fixed. It suffices if the cover member can be supported by engaging with the portion. Therefore, for example, both ends of the linear cover member may be supported by the corner base members located at the corners.

In order to adjust the flow of the conditioned air, the conditioned air flow is deflected (to change the direction of the flow of the air flow), and resistance is applied to the air flow (the flow resistance of the air flow becomes the flow resistance to reduce the wind pressure). Suppressing and decelerating the airflow) Both when the airflow is not changed and when it is gradually changed, by guiding the airflow (defining the flow direction without actually obstructing the airflow) ) Is typically provided by the surface of the cover member. When the cover member completely covers the base member, only the surface of the cover member plays this role. Note that a part of the base member may be exposed at the ceiling surface without being covered by the cover member. In such a case, the surface shape for turning, resistance application (deceleration) and guidance for adjusting the flow of the conditioned air is also provided in part by the base member. Even in this case, the cover member not only adjusts the air-conditioning airflow at the turning guide portion, but also covers or conceals a mounting structure for mounting the base member on the ceiling surface, or forms an engagement portion between the base member and the cover member. They will cover it up. Note that the guide portion having the turning function typically also has a resistance applying function to some extent.

Therefore, in one typical ceiling panel structure of the present invention, the base member has one main surface on the ceiling surface so as to extend along at least one linear side edge of the air conditioner. A linear base member including an attachable linear base member, wherein the cover member includes a linear cover member engaged with the linear base member, wherein the linear base member has a main surface opposite to the one main surface; In the air conditioner, an air-conditioned air guide surface substantially parallel to the one main surface is provided at a width direction end near the side edge with the air outlet, and the air conditioner is closer to the width direction from the side edge of the air conditioner than the guide surface. The engaging portion is provided at a far widthwise end portion, and the turning guide portion of the linear cover member returns a part of the flow of the conditioned air spread along the guide surface of the base member to the indoor air suction port. The air-conditioning airflow is configured to be diverted.

Also, in one typical ceiling panel structure of the present invention, the outer end of the guide surface of the linear base member is engaged with the widthwise inner end of the linear cover member, and the guide surface is provided. Is formed, which acts as a resistance for suppressing the wind pressure of the conditioned air flowing along and reducing the flow velocity.

Further, in one typical ceiling panel structure of the present invention, the cover member has a resistance-imparting projection which acts as a resistance for suppressing the wind pressure of the conditioned air flowing along the surface of the cover member and reducing the flow velocity. On the upstream side of the turning guide. There may be a plurality of such resistance imparting projections.
Typically, the resistance application projection of the cover member is configured to have a larger resistance application function than the resistance application projection of the base member. However, the reverse is also possible.

In any case, by reducing the flow velocity of the air-conditioning airflow flowing into the turning guide section and reducing the wind pressure, the airflow hitting the turning guide section can easily flow along the guide surface of the turning guide section. Become.

The ceiling panel structure is formed in a shape and a size corresponding to the external shape and size (size) of the air conditioner embedded in the ceiling surface. Therefore, the base member and the cover member forming the ceiling panel structure are formed so as to be adjustable in length. This length adjustment is typically performed by an operator cutting a base member or a cover member having the same shape in cross section perpendicular to the longitudinal direction to a desired length at a work site with a saw or the like. Therefore, the material of the base member and the cover member constituting the ceiling panel is typically
Made of plastic material. However, other materials such as wood may be used as long as the operator can cut with a saw or the like at the work site.

The ceiling panel structure typically has a ceiling near the outer periphery of the air conditioner according to the size of the space around or around the air conditioner in the ceiling surface in which the air conditioner is embedded. Mounted around the air conditioner to avoid obstructions or obstructions, such as electrical wiring outlets and various detectors such as smoke detectors, which may be mounted on the surface. Therefore, the ceiling panel structure
Typically, the width of the base member or cover member forming the ceiling panel structure is also adjustable. Since one side of the air conditioner can reach close to 2 m, the ceiling panel is typically weakened along its length so that the width can be easily adjusted over a length of the order of 2 m. The width can be adjusted by making a cut along the weakened portion with a cutter or the like and removing a part in the width direction as desired. Such a weakened portion is typically a groove or the like along the longitudinal direction. Here, the groove is typically formed on the back side, that is, on the side facing the ceiling surface, from the viewpoint of aesthetics and the like.

Accordingly, in one typical ceiling panel structure of the present invention, the base member has one main surface on the lower surface of the ceiling so as to extend along at least one linear side edge of the air conditioner. A linear base member adjustable in length and width, the cover member being engaged with the linear base member and having a length adjustable.

In this case, by adjusting the width of the base member, it becomes possible to arrange the linear base member so as to avoid the obstructing parts near the air conditioner. In addition, the length of the linear base member and the linear cover member are adjusted at the work site according to the length of the air outlet of the conditioned air of the air conditioner or the size of the side of the air conditioner extending parallel to the air outlet. Then, the ceiling panel structure can be attached.

Further, in one typical ceiling panel structure of the present invention, the ceiling member is located adjacent to the end of the linear base member so as to be located outside the corner of the air conditioner. And a corner cover member engageable with the corner base member adjacent an end of the linear cover member.

In this case, for example, around at least two sides of the outer periphery of the air conditioner, such as when the planar shape is substantially rectangular,
Typically, the entire circumference may be surrounded by a ceiling panel structure.

In one typical ceiling panel structure of the present invention, the base member has a corner base member that can be attached to the lower surface of the ceiling with one main surface so as to be located outside the corner portion of the air conditioner. A linear cover member having an adjustable length and width engaged at both ends with the corner base member; and a corner engaged with the corner base member adjacent the end of the linear cover member. And a cover member. In this case, the base member can be minimized, and the mounting can be easily performed. However,
In the case where the size of the air conditioner is large and the length of the linear cover member is long, another base member is also arranged behind the intermediate portion of the linear cover member (between the ceiling surface and the cover member). Then, the linear cover member may be firmly supported.

One typical ceiling panel structure according to the present invention is provided on the downstream side of the air outlet of a ceiling-embedded air conditioner having a room air inlet at the center and a conditioned air outlet at the periphery. , A ceiling panel structure configured to be mounted on a ceiling, the mountable and extendable on one main surface to a ceiling surface so as to extend along each of the linear side edges of the air conditioner. A base member whose length and width in the direction can be adjusted, wherein the base member has an engaging portion on a main surface opposite to the one main surface, and is engaged with an engaging portion of each of the base members. A length-adjustable cover member configured to be engaged with the base member and fixed to the base member, and return a part of the conditioned air flow blown out from the air outlet of the air conditioner to the indoor air suction port. To direct the conditioned air flow so as to be substantially rigid with respect to the air flow. Linear panel structure means including a, and located between adjacent ends of the straight line-shaped panel structure comprises a corner panel structure to be engaged to the adjacent end of the straight line-shaped panel structure.

At least a part or at least one of the base member and the cover member forming the ceiling panel structure, as long as the dirt on the ceiling surface near the air outlet of the already installed ceiling-mounted air conditioner can be covered. Although the whole may be made of a transparent or translucent material, a base member and a cover are required to reliably cover the dirt on the ceiling near the air outlet of the already installed ceiling air conditioner. Preferably, the member typically comprises a substantially opaque material. However, when the ceiling surface is not dirty yet or when the air conditioner is newly attached to the ceiling surface, at least a part thereof may be made of a transparent or translucent material.

[0034]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described with reference to a preferred embodiment shown in the accompanying drawings.

[0035]

FIG. 1 shows a ceiling-mounted air conditioner 200 embedded in a ceiling surface 201 as viewed from below (FIG. 1A) and a ceiling panel structure according to one embodiment of the present invention. Body 10
The state in which ((b) in FIG. 1) is attached to the ceiling surface 201 around the air conditioner 200 ((c) in FIG. 1)
It is shown.

The ceiling panel structure 10 includes four straight panel structures 11 whose lengths can be adjusted and four corner panel structures 12 connecting adjacent linear panel structures 11 and 11 at adjacent ends. Having.

When the air conditioner 200 has a vertically long rectangular outer peripheral shape 200a as shown in FIG. 1E, the ceiling panel structure 10 in FIG.
It is assembled in a vertically long rectangular shape in the drawing as indicated by the imaginary line 10a. On the other hand, the air conditioner 200 has a horizontally long rectangular outer peripheral shape as shown in FIG.
In the case of 0b, the ceiling panel structure 10 is assembled in a horizontally long rectangular shape as shown by an imaginary line 10b in FIG. In the case where the air conditioner 200 is a square shape 100c as in the case of (a) as shown in (d) of FIG. 1, in FIG. The shape may be used (the size of one side increases or decreases as necessary).

As shown in FIGS. 5 to 7, each linear panel structure 11 of the ceiling panel structure 10 includes a linear base member 20 (FIGS. 5 and 6) made of a plastic material.
A linear cover member 40 (FIGS. 5 and 7) made of a plastic material is connected to the linear base member 20. In the following examples, specific sizes are shown as examples, but these are typical preferable examples, and it is intended that the present invention be limited to these sizes and shapes or similar sizes and similar shapes. It does not do.

As shown in FIG. 6, the linear base member 2
0 means that the width W1 is about 15 cm and the length L1 is 200 at the maximum.
It has a plate-like portion 21 of about cm. The plate portion 21 has a thickness D
1 is a main plate-shaped portion 22 of about 3 mm;
A main surface 24 flush with one main surface 23, and extends integrally from one end 25 of the main plate-shaped portion 22 to have a thickness D2 of 2
Guide plate-like portion 26 having a width W2 of about 9.5 cm and a width of about 9.5 cm.
Consists of

On the main surface 24 side of the guide plate portion 26, grooves 27 extending over the entire length in the longitudinal direction are formed at intervals of, for example, 1 cm. This spacing may be larger or smaller, and may be non-uniform if desired. Thus, for example, at the installation site, the installation operator can make a further cut at the tip of the cutter knife along the desired one of the grooves 27 so that the width W of the guide plate portion 26 can be reduced.
2. Therefore, the width W1 of the base member 20 can be adjusted by the worker alone at the installation site. As long as the guide plate-like portion 26 can be weakened so that it is easy to separate along the groove 27 and there is no risk of separation, cracking or cracking in normal handling, the width, depth and cross-sectional shape of the groove 27 May be any. In this example, a groove 27a similar to the groove 27 is also formed on the other main surface of the guide plate portion 26 of the plate portion 21, that is, on the front side surface 28. Is used by being cut off by the groove 27a before use. The groove 27a may not be provided.

An engaging projection 30 for fitting one end 57 (FIG. 7) of the cover member 40 is formed on the other main surface, that is, the front side surface 29, of the one end 25 of the main plate-shaped portion 22. . The engagement protrusion 30 is provided on the guide plate-shaped portion 26.
And a semi-cylindrical (semicircular cross-section) turning guide surface continuously and smoothly connected to the resistance surface 31 that rises at a right angle to the main surface 28 that forms the guide surface 3
And 2. The projection 30 has a recess 33 that receives the end 57 of the cover member 40 and engages with the end 57. The opening 33a of the recess 33 is
Is narrowed to ensure the engagement with. As long as the protrusion 30 as a small protrusion can act as a resistance imparting protrusion that serves as a resistance to the conditioned air flow and decelerates the air flow,
The cross-sectional shapes of the resistance surface portion 31 and the turning guide surface portion 32 may be other shapes such as a part of an ellipse. Similarly, in a typical example, the downward height of the protrusion 30 with respect to the main surface 28 is, for example, about 5 mm to about 1 cm, but as long as the protrusion 30 can function as a resistance imparting protrusion, the height is preferably about 1 cm. It may be higher or lower than about 5 mm.

The other end 34 of the main plate-shaped portion 22, that is, the outer end 34 of the base member 20, is provided with a concave portion 3 extending longitudinally therebetween.
Engagement protrusions 36 and 37 are formed as engagement portions protruding from the main surface 28 so as to form 5. The locking projections 36a, 3 protruding into the recess 35 to allow insertion in the A1 direction and to suppress or regulate the removal in the A2 direction on the inner surfaces at the distal ends or the lower ends of the engagement projections 36, 37 forming the inner surface of the recess 35.
7a are formed. The surface 2 of the main plate-shaped portion 22
9, a projection 38 extending along the longitudinal direction is formed at the center in the width direction, and an engagement recess 39 with which projections 87, 88 of a corner base member 70 described later are engaged is formed on the back surface 23.
Are formed. The projection 38 is formed when the engagement recess 39 is formed, and may not be provided. As can be seen from FIG. 6B, the linear base member 20 is
The cross-sectional shape perpendicular to the longitudinal direction is the same throughout the longitudinal direction. The same applies to a linear cover member 40 described later.

The main plate-shaped portion 22 is further formed with a screw hole H for passing a mounting screw. FIG. 6 (a)
Although only one hole H is shown, it may be formed at a smaller interval along the longitudinal direction. Hole H
As shown in the modified example of FIG. 14, the cover member 4 may be formed into a truncated cone so that the head of the screw fits.
The main plate-shaped portion 22 may be formed in different portions in the width direction as long as the engagement with the main plate-shaped portion 22 is not prevented.

As shown in FIG. 7, the cover member 40
The width W3 is substantially the same as the width of the main plate-shaped portion 21 of the base member 20, and the length L3 is substantially the same as the length L1 of the base member 20 (L3 = L1). As shown in FIG. 5, a vertically extending or vertical end wall portion 41 extending vertically, a lower end guide portion 43 extending substantially horizontally from a lower end 42 of the end wall portion 41, and an inner end portion 44 of the lower end guide portion 43 substantially A vertical wall portion 45 extending vertically at a right angle to the vertical direction, a turning guide portion 47 as a turning guide portion curved convexly downstream from an upper end 46 of the vertical wall portion 45, and an upstream end of the turning guide portion 47. 48 and a semi-cylindrical resistance-imparting projection 49 projecting downward and upstream extending integrally to the upstream side.
An upstream curved guide portion 51 extending integrally upstream from the upstream end 50 of the resistance applying projection portion 49 and slightly projecting upward;
An upstream horizontal guide portion 53 extending substantially horizontally from an upstream end 52 of the upstream curved guide portion 51 is provided. The turning guide portion 47 extends substantially vertically and provides a flow resistance and largely changes the flow direction. The upper end 47c is connected to the lower end of the upstream portion 47a smoothly and extends at an almost horizontal angle to provide the flow resistance. And a downstream portion 47b for changing the flow direction largely and guiding the flow toward the center of the air conditioner 200 and downward.
7b is smoothly connected to the vertical wall portion 45 at the downstream end 46. Here, the horizontal wall 43 is connected to the end 53 of the guide 52.
The height in the vertical direction up to the lower end is, for example, 4 cm to 5 c
m. However, even if it is larger (for example, 10 cm
Or larger) or smaller (eg 2c
m to about 3 cm).

The back surface of the portion near the downstream end 50 of the upstream curved guide portion 51 and the portion near the downstream end 52 of the upstream horizontal guide portion 53, that is, the upper surface 54 shown in FIG.
Are flush with each other so as to be in close contact with the lower main surface 29 of the main plate-shaped portion 22 of the base member 20, and the upper surface 55 of most of the upstream horizontal guide portion 53 has a small step 56 It is connected to the upper surface 54 via a through hole. Therefore, the upstream side horizontal guide portion 53 has a tip
It is easy to bend in one direction and B2 direction. Step 56
The edge may be formed in a corner shape or may be a bay surface. The upstream horizontal guide portion 53 includes a tip portion 57
, A slight recess 59 is formed on the surface (lower surface) between the main body portion 58 and the distal end portion 57 of the upstream horizontal guide portion 53.

Therefore, the tip portion 57 ahead of the step portion 56
In a state in which the thin end portion 57 is bent, the thin end portion 57 is pushed and expanded by the thin end portion 57 while opening the narrowed opening 33a of the projection portion 30 of the linear base member 20 (FIG. 6).
0, and after insertion, the wall portion 30a (FIG. 5) at the opening 33a of the concave portion 33 fits into the concave portion 59 at the base of the distal portion 57, and the horizontal guide portion 53 including the distal portion 57. Can be held in a slightly bent state. The semi-cylindrical wall forming the resistance applying projection 49 also contributes to the curvature at the time of insertion.

When assembling the cover member 40 to the base member 20, the upper surface 54 has a surface 29 of the base member 20.
A recess wider than the protrusion 38 is formed over the entire length in the longitudinal direction so as to escape the protrusion 38 of FIG.

The downstream end 48 of the resistance applying projection 49, ie, the upstream end 48 of the downstream curved guide 47 and the vertical end wall 4
1, a horizontal reinforcing wall 61 is integrally formed. From the upper surface of the horizontal wall 61, engaged projections 62 and 63 as engaged parts are integrally formed. Extending upward. The engaged projections 62 and 63 have engagement projections 64 and 65 projecting in opposite directions or outward from each other at the tips. Engagement projections 64, 65 of engaged projections 62, 63
Is located slightly below the surface 54.

The vertical end wall portion 41 projects just above the flat surface 54 and the projections 62 and 63 by the thickness D1 of the main plate-shaped portion 21 of the base member 20.
0 is attached to the base member 20, the vertical end wall 41
The end surface 67 of the upper end 66 of the base member 20 is
24 and the upper surface is actually the same. The vertical end wall portion 41 is formed on the inner surface 68 of the upper end portion 66 by the plate-like portion 2 of the base member 20.
It is formed slightly thick so as to be pressed against the first end face 21a.

Accordingly, the linear panel structure 11 is formed.
When mounting, first, the base member 20 is formed with a predetermined width W1x and a predetermined length L1 according to the mounting location.
Here, the predetermined width is typically a width as large as possible. By setting this width large, it is possible to minimize the flow of the conditioned airflow blown from the air conditioner 200 along the ceiling surface 201.

However, for example, in FIG.
As shown in FIG. 2, the air conditioner 200
May be mounted or formed relatively close to the mounting portion of the ceiling, such as a smoke sensing device, a power distribution outlet, or a downlight.
Therefore, in such a case, according to the width W3 formed between the component 202 and the air conditioner 200 so as to avoid the obstructing component 202, the width of the base member 20 is adjusted to match the width W3. Adjust W1x. Typically, W1x is W
3 (W1x to W3) and smaller than W3 (W1x <W3). In addition, due to the strength of the ceiling surface 201, the mounting structure of the various obstructing parts 202, the convenience of the mounting operation, the function of the part 202, and the convenience of maintenance, a gap is provided between the various obstructing parts 202 and the air conditioner 200. The fact that the part 202 is attached to the ceiling surface 201 in a practically absent state
Since it is practically impossible, it can usually be expected that there will be a certain width of the mounting area. Therefore, the base member 20
The width W10 (FIG. 6) from the outer end face 21a of the main plate-shaped portion 22 of the plate-shaped portion 21 to the outermost groove 27b among the grooves 27 of the guide plate-shaped portion 26 is determined in consideration of such points (FIG. 6). (Possible minimum width). Where W
10 ≦ W1x. Note that, in FIG.
Although 2 is shown, this is unusual, usually at one or at most two locations.

In order to reduce the width W1 of the base member 20, the groove 27 located at a position where the width becomes the maximum when the width is W3 or less is used.
At this point, the guide plate portion 26 may be cut and folded.

On the other hand, in consideration of the use of the corner panel structure 12 as described later, the base member 20 and the cover member 40 are cut to a predetermined length by a saw or the like. Note that when the size of the air conditioner 200 is relatively standardized, a plurality of lengths may be prepared in advance and cut off only when the size does not match.

At the time of mounting the linear panel structure 11, first, a screw is inserted into the screw hole H while the linear base member 20 is supported at a desired position, and the screw is screwed into the ceiling 201 to stop. The linear base member 20 is relatively light because it is thin.
Actually, it can be temporarily fixed to the ceiling surface 201. Therefore, in the third and subsequent screws, the worker does not need to support the linear base member 20, so that the third and subsequent screws can be used even when the worker takes an unnatural posture with respect to the ceiling surface 201. It can be done easily.

Next, the concave portion 3 of the projection 30 of the base member 20
3 is inserted into the thin end portion 57 of the upstream horizontal guide portion 53 of the cover member 40, and the engaged projections 62, 63 of the cover member 40 are disengaged from the front end locking portions 64, 65 to the base member 2.
0 into the engagement recess 35 and the thin tip portion 57.
Into the recess 33. Note that, at the time of the first pushing of the horizontal tip portion 57, the upstream horizontal guide portion 53 and the resistance application projection 49 are bent upward. At this time,
The downward convex curve of the resistance applying projection 49 of the cover member 40 facilitates bending deformation in the B1 direction. The engagement / insertion is performed when the distal end portion 57 of the upstream horizontal guide portion 53 is
And the tip of the wall 30 a of the projection 30 engages with the recess 59 on the lower surface of the tip 57 of the cover member 40, and the upper surfaces 54, 54 on both sides of the upper end opening of the recess 60 are shaped like the main plate of the base member 20. The engaging projections 64, 65 at the tips of the engaged projections 62, 63 abut against the main surface 29 of the portion 23, and extend beyond the engaging projections 36 a, 37 a at the lower end opening of the engaging recess 35. Then, the inner side surface 65 of the upper end 66 of the vertical end wall portion 41 comes into contact with the end surface 21a of the base member 20, and the process is completed.

As shown in FIGS. 8 to 10, each corner panel structure 12 of the ceiling panel structure 10 has a corner base member 70 (FIGS. 8 and 9) made of a plastic material and the corner base member 70. 8 and FIG.
0).

The corner base member 70 has a substantially rectangular and horizontal top plate-like portion or top plate portion 72 which is closely attached to the ceiling surface 201 on the outer main surface 71 when mounted, and the horizontal top plate portion 7.
2 and a vertical side plate 73 extending downward at right angles to the top plate 72. The corner base member 70
It has a mirror-symmetrical shape with respect to a plane that includes a diagonal line D of the top plate 72 and is perpendicular to the top plate 72. The vertical side plate portion 73 includes a straight or flat side wall portion 77, 78 extending along two sides 75, 76 on both sides of the curved corner portion 74 of the horizontal top plate portion 72, and a flat side wall portion 77, 78. A curved corner side wall portion 79 extending along the curved corner portion 74 at an intermediate portion;
c and 78c protrude from corresponding sides or edges 80 and 81 of the horizontal plate-shaped portion 72.

The top horizontal plate portion 72 has edges 80 and 8
1 have engagement wall portions 82, 83 and 84, 85 as engagement portions extending downward over a range of width W5. In addition, at the lower ends of the wall portions 82, 83 and 84, 85,
Locking projections 82a, 83a and 84a, 85a are formed on the respective outsides, and the plate portions 72 are easy to bend the wall portions 82, 83, 84, 85 in a state where stress concentration on the base is avoided. The slits or grooves 82b, 83b and 84b, 85b, which allow entry of a locked portion (described later) of the cover portion, and the wall portions 82, 83, 84, 85 are one in the width direction. Slit 8 to bend flexibly
It has slits 82c, 83c and 84c, 85c connected to 2b, 83b and 84b, 85b. 86,
Reference numeral 86 denotes a slot for screwing.

The horizontal plate-shaped portion 72 further includes edge portions 80 and 81.
Have thin protruding pieces 87 and 88 having a width Wb protruding from each of them. The protruding pieces 87 and 88 are connected to the ceiling panel structure 10.
Is assembled into the recess 39 of the rectilinear base member 20 and is inserted into the recess 39 to conform to the cross-sectional shape of the recess 39 so as to assist in the firm connection between the corner base member 70 and the rectilinear base member 20. It has a planar shape (a trapezoidal end surface is visible in FIG. 9A).

In the vicinity of the corner where the edges 80 and 81 of the horizontal plate-like portion 72 intersect, the groove 2 of the linear base member 20 is formed.
A groove 89 similar to 7 is formed in a lattice pattern on the lower main surface (front surface) 72a. In FIG. 9C, a group of grooves 89a extending vertically in FIG. 9C is a weakened portion for adjusting the width or size or arrangement position in the left-right direction in FIG. The group of grooves 89b extending left and right in c) is a weakened portion for adjusting the width, size or arrangement position in the vertical direction in FIG.

The corner cover member 90 is engaged with and fixed to the corner base member 70 and has a surface shape having substantially the same flow guiding, resistance imparting and turning functions as the linear cover member 40 with respect to the conditioned air flow. Things.

However, the corner cover member 9 of this embodiment
Reference numeral 0 denotes an upper surface 91 in a side view or a cross-sectional view as shown in FIG. Has a complementary shape such that it is substantially identical to the lower surface of the linear panel structure 11. Since the wall 92 of the corner cover member 90 typically has a substantially uniform thickness of, for example, about 2 to 3 mm, the lower surface 93 of the wall 92 also It has substantially the same shape as the surface, and has substantially the same resistance imparting, turning and guiding functions to the conditioned air flow.

The corner cover member 90 includes a flat plate portion 94 having a flat surface portion 91 a overlapping the lower surface 72 a of the top plate portion 72 of the corner base member 70, and a resistance applying projection portion of the linear base member 20. 30 is provided with a downwardly projecting upstream resistance imparting projection 95 having a concave surface portion 91 b overlapping the surface of the surface 30, and a curved surface portion 91 c just overlapping the surface of the upstream curved guide portion 51 of the linear cover member 40. An upstream curved guide portion 96 and a concave surface portion 91 that exactly overlaps the surface of the resistance applying projection 49 of the linear cover member 40.
d, and a turning guide portion as a concave turning guide portion having a convex curved surface portion 91e just overlapping the surface of the turning guide portion 47 of the linear cover member 40. 98, a vertical wall portion 99 having a vertical surface 91f just overlapping the vertical surface of the vertical wall portion 45 of the linear cover member 40, and a lower horizontal surface of the horizontal lower end guide portion 43 of the linear cover member 40 Horizontal surface part 91 that just overlaps
g provided with a lower end guide portion 100.

Similarly to the corner base member 70, the corner cover member 90 has a mirror-symmetrical shape with respect to a (virtual) vertical plane passing through the diagonal line D, and has the wall portions 95, 96, 97, When seen in a plan view, the resistance imparting / turning guide / guide unit 101 consisting of 98, 99 and 100 is a linear portion extending along two sides extending in directions different by 90 degrees as can be seen from FIG. 95b, 96b, 97b,
98b (not shown), 99b (not shown), and 100b, a linear resistance applying / turning guide / guide portion 101b.
And 45 ° arcuate portions 95c, 96c, 97c, 98c (not shown), 99c (not shown) to smoothly connect the two linear portions 101b, 101b at corners or corners, that is, corners. , 100c. The arc is
A part of an ellipse or the like may be used instead of a part of a circle.

The corner cover member 90 includes locked portions 102a, 103a and 104a which are locked by the locking portions 82a, 83a and 84a, 85a of the engaging projections 82, 83 and 84, 85 of the corner base member 70. , 105a provided with engaged projections 102, 103 and 104, 105. The locked portions 102a and 104a have long protruding portions 102b and 104b that guide the alignment of the corner cover member 90 when engaged. Engaged projection 1
Nos. 02 and 103 extend from a portion inside the edge 106 by a distance C in a range of a width W7 (= W5) in a direction parallel to the linear resistance applying guide portion 101b, and the engaged projection 10
4, 105 extend from a portion inside the edge 107 by a distance C in a range of a width W7 (= W5) in a direction parallel to another linear resistance applying guide portion 101b. Here, in the corner cover member 90, portions 108, in a range of a distance or width C from each of the edges 106 and 107,
109 overlaps the longitudinal edges of adjacent linear panel structures 11 or the surface near the edges, thereby obscuring the longitudinal edges of the linear panel structures 11.

The corner cover member 90 is further provided with locking projections 112, 113 and 114 as engaged parts on the inner side of the edges 110 and 111 of the horizontal bottom wall 100 by a distance or width W8. , 115. In this example, there are two projections 113 and 115 respectively. Of these locking projections 112 to 115, surface portions 116 and 117 of the horizontal bottom wall portion 100 outside the projections 112, 113 and 114, 115 have lower end surfaces 77 a and 77 a of the side walls 77 and 78 of the corner base member 70. When it comes into contact with 78a, it comes into contact with the inner surfaces 77b and 78b of the side walls 77 and 78, and the above-mentioned engaged projections 102, 103 and 104, 1
In cooperation with 05, the corner cover member 90 is positioned and fixed to the corner base member 70.

The corner cover member 90 is provided on the back surface (upper surface) 91 a of the horizontal plate portion 94.
Are provided in a grid pattern at the same intervals. In this example, the rectangular portion of the corner formed by the groove 118a extending in the vertical direction and the groove 118b extending in the horizontal direction as shown in FIG. A cutout portion 119 is formed to just fit.

When assembling the corner cover member 90, the corner base member 70 is fixed to the linear base member 20 with the projections 87, 88 of the corner base member 70 fitted into the concave portions 39 of the linear base member 20. Face 201
(In practice, typically, the corner base member 70 is attached to the ceiling surface 2 before the linear base member 20.
After attaching the linear cover member 40 to the linear base member 20 to form the linear panel structure 11, the corner cover member 90 is attached to the edge as shown in FIG. It is assembled to the corner base member 70 such that the portions 108, 109 cover the adjacent ends 11e, 11f of the linear panel structures 11, 11. At this time,
The corner cover member 90 is fitted in a direction from the inside to the outside of the corner. As a result, the long inclined projections 1 of the engaged projections 102 and 104 of the corner cover member 90 are formed.
02b and 104b slide along the lower end inclined surfaces of the locking projections 82a and 84a of the engagement projections 82 and 84 of the corner base member 70 and fit outside thereof. As a result, the engaged projections 102-1 of the corner cover member 90 are
05 locked portions 102a to 105a and locking portions 82a to 85a of the engaging projections 82 to 85 of the corner base member 70.
Are engaged with each other, and the surface portions 116 and 117 of the ends of the horizontal wall portion 100 of the corner cover member 90 are provided.
The locked projections 112 to 115 abut against the lower end surfaces 77a, 78a and the inner surfaces 77b, 78b of the side wall portions 77, 78 of the corner base member 40, respectively, and the positioning and fixing are performed, thereby completing the assembly.

The mounting of the ceiling panel structure 10 configured as described above on the ceiling surface 201 will be described.

First, the ceiling surface 2 around the air conditioner 200
At 01, it is checked whether there is an obstacle 202.

For example, as shown in FIG. 4A, it is assumed that there is an obstacle 202a at a position G in FIG. Air conditioner 2
00 to the outer edge of the obstacle 202a
According to 3, the width W1x of the linear panel structure 11R to be arranged on the right side (hereinafter, the reference numeral is attached to the related members and elements arranged on the right side) is W1x ≦ W.
The width of the linear base member 20R constituting the linear panel structure 11R is adjusted so as to be 3 (FIG. 4). In this adjustment, the flat portion 2 of the linear base member 20R is used.
The linear base member 20R is cut along a groove at an appropriate position among the grooves 27 formed in a large number in 6R.
In this cutting, a cut is made along the groove 27 with a cutter or the like,
It can be easily done by bending along the cut. In this example, as shown in FIG.
a is very close, and the linear base member 20R
Is the deepest groove 27b so that the width becomes the narrowest (FIG. 6)
Is cut along. It is assumed that there is no other obstacle 202 on the ceiling surface 201 around the air conditioner 200.
If there is an obstacle 202 at another position, the width of the linear base member 20 of the linear panel structure 11 arranged at the corresponding position is adjusted using the groove 27 according to the position. do it.

Next, the corner panel structures 12RU and 12RU located adjacent to both ends of the linear panel structure 11R.
Adjust the position of the cut in the inner corner portion of the RD (the upper and lower sides as viewed in FIG. 4; hereinafter, the suffix U for the upper one and the suffix D for the lower one). I do. In this case, the upper right corner panel structure 12
Regarding the corner base member 70RU of the RU, regarding the groove 89a in FIG. 9, along the innermost groove 89a1,
The groove 89b is cut along the outermost groove 89b2. Similarly, for the corner cover member 90RU of the upper corner panel structure 12RU, the groove 1 of FIG.
18a, along the innermost groove 118a1, the groove 1
18b is cut along the outermost groove 118b2. On the other hand, regarding the corner base member 70RU of the lower right corner panel structure 12RD, regarding the groove 89a of FIG. 9, the groove 8a extends along the outermost groove 89a2.
9b is cut along the innermost groove 89b1.
Similarly, for the corner cover member 90RD of the upper corner panel structure 12RD, the groove 118a of FIG.
Along the outermost groove 118a2, the groove 118
As for b, it is cut along the innermost groove 118b1.
As a result, the width of the corner panel structure 12 viewed at the cut corresponds to the width of the adjacent linear panel structure 11, and the corresponding corner of the air conditioner 200 just matches the newly formed cut. It will fit.

Next, referring to FIG. 4, the linear panel structures 111U, 11D, 1 disposed on the upper, lower, left, and right sides of the air conditioner 200 are shown.
The lengths of 1L and 11R are adjusted and cut according to the lengths of adjacent sides of the air conditioner 200. At this time, the length of the linear panel structure 11 is set to be longer than the length of the adjacent side of the air conditioner 200 by the protruding length of the corner base member 70 of the corner panel structure 12 adjacent to both ends of each linear panel structure 11. Will also be kept short. Actually, the corner base members 70 are attached to the four corners of the air conditioner 200 so that one end of the linear base member 20 abuts against one corner base member 70 and coincides with the corresponding end of the other corner base member 70. By marking the linear base member 20 at the position where the other end of the linear base member 20 is located, the length of the linear base member 20 and therefore the linear panel structure can be measured without measuring the length. 11
Can be determined. The length of the linear panel structure 11 is adjusted, for example, by temporarily assembling the linear base member 20 and the linear cover member 40 on each side.
In the first embodiment, the whole is cut by a saw or the like. Of course, if desired, the linear base member 20 and the linear cover member 40 may be cut separately. The length adjustment of the linear panel structure 11 is as follows.
It may be performed before the above-described adjustment of the cut position of the corner panel structure 12, or both operations may be performed in a mixed order.

Next, each of the four corner base members 70 is screwed into the ceiling surface 201 with a screw or the like at a position where the cutout portion is exactly aligned with the corner or corner of the air conditioner 200. It is fixed via 86,86. In the corner base member 70, since the screw hole 86 is a long hole, if there is a portion behind the ceiling surface 201 that is not suitable for screwing, avoid the portion and remove the hole 8
A region suitable for screwing can be selected from the six length regions and screwing can be performed. Further, regarding one corner base member 70, elongated holes 86, 8 extending in a direction perpendicular to each other.
Since the screws 6 are used, the direction of the corner base member 70 can be finely adjusted when the screws are not tightened. Of course, other means may be used to secure the corner base member 70 if desired.

Next, each of the four linear base members 20 is substantially brought into contact with the sides 80 or 81 of the corner base members 70, 70 whose both end surfaces are adjacent, and the portions near both ends of the concave portion 39 are adjacent corners. By pressing against the ceiling surface 201 so as to fit into the protruding portion 87 or 88 of the base member 70, the linear base member 20 is
Is temporarily fixed to the ceiling surface 201 via the screw holes H, and repeated.

The thin end inside the base members 70 and 20 may be inserted between the outer frame of the air conditioner 200 and the ceiling surface 201 if possible. This example is shown by a dotted line J in FIG. When the thin end J inside the base members 70 and 20 is inserted between the outer frame of the air conditioner 200 and the ceiling surface 201, the air conditioner 200 is slightly lowered from the ceiling surface 201, if necessary. A gap may be formed between the outer frame of the air conditioner 200 and the ceiling surface 201 so that the inner end J can be inserted. Of course,
The linear base member 20 is inserted by an amount corresponding to the insertion of the inner end J.
(In other words, the width of the space in which the linear base member 20 is to be arranged may be smaller than the width W1x of the linear base member 20 by the insertion width or the insertion length). become). Further, according to the insertion width estimated for the linear base member 20,
With respect to the corner base member 70 as well, the cutout position in the groove 118 is selected in consideration of the insertion length in both directions of the corner.

Next, each of the four linear cover members 40 is connected to the corresponding linear base member 2 by the above-described procedure.
0 and fixed.

Finally, each of the four corner cover members 90 is attached to the corner base member 70 so as to cover the corresponding corner base member 70 and to cover adjacent ends of the adjacent linear cover members 40 and 40. By engaging and fixing, as shown in FIG.
The ceiling panel structure 10 is assembled around 0 in accordance with the position of the obstacle 202a. When this assembled state is viewed in a perspective view, it looks like, for example, as shown in FIG.

As described above, the ceiling panel structure 10
Depending on the size of the air conditioner 200 and the distribution of the obstacles 202 on the ceiling surface 201, the width and length of the linear panel structure and the width at the cutout of the corner panel structure are simply adjusted at the installation site. And can be easily assembled. When attaching the corner base member 70, since the corner portion of the air conditioner 200 can be used for positioning, fixing the relatively small corner base member 70 at a predetermined position on the ceiling surface 201 with screws or the like requires one worker. But it can be done easily. When the linear base member 20 is attached, the linear base member 20 is provided with the concave portions 39 and the projecting pieces 8 in the corner base members 70, 70 at both ends.
Since it can be almost temporarily fixed by engagement with the members 7, 88, the positioning and fixing with screws can be easily performed by one worker. When the linear base member 20 is temporarily fixed, a double-sided tape may be attached to the back side of the linear base member 20 so that the temporary fixing can be reliably performed. Furthermore, since the linear cover member 40 may be engaged and fixed to the linear base member 20 in practice, this can be easily performed by one worker. Further, since the corner cover member 90 may be engaged and fixed to the corner base member 70, this operation can be easily performed by one worker. Further, the adjustment of the width and the length described above can be easily performed by using only the saw and the cutter, and even by one operator.

Next, the operation of the ceiling panel structure 10 when the air conditioner 200 operates will be described with reference to FIGS.

As shown in FIG. 4, an air conditioner 200 having a substantially rectangular (square) shape along the ceiling surface 201 has an indoor air inlet 210 in the center of the rectangle and an air conditioner in the vicinity of four sides or four side edges. It has an air outlet 211. That is, FIG.
As shown in FIG. 3, the air conditioner 200 is
The air inside the chamber 207 is sucked in the K1 direction from the center indoor air inlet 210 by the motor-driven fan 212 located inside, and the room air is positioned between the central pipe 205 and the outer outlet pipe 206. The heat medium flowing in the K2 direction toward the substantially cylindrical indoor heat exchanger 213 as a whole, and flowing through the heat transfer tubes of the heat exchanger 213 when passing between the heat transfer tubes and the heat transfer fins of the heat exchanger 213 After heating (in the case of heating) or cooling (in the case of cooling) the room air, the air direction is adjusted by the peripheral wall or side wall 214 or the wind direction adjusting plate 215 having a desired shape at the air-conditioning air outlet 211 at the outlet of the outlet pipe 206. Is adjusted, and the air is blown out from the air outlet 211 in a direction K3 substantially parallel to the ceiling surface 201 and slightly downward toward the outside. Note that a filter is provided at the entrance of the airflow passing through the heat exchanger 213, for example, to remove dirt (particles and the like) from the indoor air to some extent.

The uppermost layer of the air-conditioning airflow blown outward and slightly downward from the air-conditioning air outlet 211 in the K3 direction is the linear base of the linear panel structure 11 of the ceiling panel structure 10. Guide flat portion 26 of member 20
Flows almost parallel to the ceiling surface 201. This flow is then applied to the resistance applying projections 30 of the linear base member 20.
In this case, the wind pressure is suppressed, the flow velocity is reduced, and the air flows while spreading along the surface of the projection 30. The air-conditioning airflow that has passed the resistance applying protrusion 30 flows along a guide portion 51 having a guide surface that is slightly downwardly curved from the linear cover member 40 of the linear panel structure 11, and then the resistance applying protrusion. 49, the wind pressure is further suppressed and the speed is reduced. The air-conditioning airflow that has spread over the resistance applying projection 49 while gradually expanding along with the deceleration is then curved and rapidly protrudes downward (drops largely downward).
In step 7, the flow S is turned by about 90 degrees or more from the initial flow direction when it is largely turned and exits the outlet.
Becomes 1. Even if a part of the flow exceeds the lower end portion 43, it actually flows obliquely downward.

The change in the flow velocity and direction of the air-conditioning air flow as described above is a typical phenomenon mainly occurring in the flow near the surface of the linear panel structure 11. The flow away from the surface is less directly affected by the change in the surface shape of the linear panel structure 11, but the airflow for air conditioning positioned adjacent to the panel structure 11 side as described above occurs. The change is
With a slight difference, it also affects the flow in the lower layer,
Similarly, it forms a flow S2 that is decelerated, spread and turned downward.

On the other hand, in the central part of the air conditioner 200, since the room air is always sucked in the K1 direction from the suction port 210, a part of the air flow for air conditioning turned downward is shown in FIG.
In, a circulating flow as shown in S3 is provided. When this circulation flow S3 becomes excessive, it greatly reduces the efficiency of air conditioning of the air conditioner 200 as a so-called shortcut. Mixing with S4 may be allowed.

On the other hand, the formation of such a circulating flow S3, in combination with the above-described turning flows S1, S2, etc., allows most of the conditioned air flow to spread in the room in a desired form as shown in flow S5 in FIG. Will help you go.

As a result, it is possible to minimize the flow of the air-conditioned air from flowing beyond the lowermost end 43 of the linear cover member 40 of the linear panel structure 11 and hitting the ceiling surface 201a on the outside. . Therefore, the possibility that the ceiling surface 201 is contaminated by fine particles such as solids or liquids contained in the conditioned air flow can be minimized.

In the above, the linear panel structure 11
Has been described, the corner panel structure 12 also has the same cross-sectional shape, outer shape, or contour as the linear panel structure 11, and thus works similarly to the linear panel structure 11. In particular, when there are outlets 211 on four sides as in this example, the corner panel structure 1
2 adjacent linear panel structures 11, 11
Is assumed to have a gap in the portion of the corner panel structure 12 between the straight panel structure 1 and a part of the conditioned air flow which has been expanded by the resistance by the straight panel structure 11.
Although not only the flow from the vicinity of both ends of 1 may flow into the gap lacking the corner panel structure 12, once such a flow is formed, the flow through the gap may be further strengthened. Because the corner panel structure 12 eliminates such gaps, the closed quadrilateral ceiling panel structure 10 can minimize air conditioning airflow toward the ceiling surface 201 as a whole.

However, for example, in the case of an air conditioner in which the outlet is limited to, for example, only two parallel sides or one side of a quadrilateral, only the outlet facing the outlet, preferably the outlet The linear panel structure may be mounted over a range sufficiently longer than the length of the linear panel structure. However, if desired,
Even in this case, even if the corner panel structure is attached to one or both ends of the linear panel structure, in some cases,
In order to eliminate the gap as described above, a closed quadrangular ceiling panel structure may be used regardless of the number of outlets.

The straight panel structure and the corner panel structure are as described above as long as the length and width can be easily adjusted at the work site and the flow of the conditioned air can be substantially suppressed from going to the ceiling surface 201. Can be variously changed from the viewpoint of the structure and the shape. Some examples are briefly described below.

FIG. 14 shows a modified linear panel structure 11m (in this modified example, a suffix m is added to the end of the reference numeral). This linear panel structure 11m
Then, the linear cover member 40m is provided with two engaged projections 6
Instead of 2 and 63, it has one engaged projection 62m whose surface is roughened, and the two engagement projections 36 and 37 of the linear base member 20m serve as the locking projections 36a and 37a. Instead, the inner surfaces of the engagement protrusions 36m and 37m are roughened. That is, the manner of engagement and fixation between the base member and the cover member can be appropriately changed as desired. Further, the linear cover member 40m has a semi-cylindrical turning guiding portion 45m instead of the vertical wall portion 45. That is, the surface which performs resistance imparting, turning, and guiding functions defined by the surface shape of the rigid cover member 40 with respect to the conditioned air flow can be variously changed as desired.

FIG. 15 shows a linear panel 40n having a projection 30n and a flat portion 26n.
An example in which the end portion of the linear cover member 40n is engaged with and fixed to the corner base member 70n,
It is shown. In the case of this example, the linear cover member 40n
Are the engaging projections 82n, 8 of the corner base member 70n.
3 n, 8 n, and 85 n are provided with engaged projections that extend over their entire length to be engaged and fixed (subscript n is added last in this example). Here, the engagement protrusion 82n
85n and the engaging projections of the linear cover member 40n are sufficiently strong so that the linear cover member 40n can be supported only by engaging with both ends of the relatively long linear cover member 40n. The type of engagement shape is selected. As can be seen from this example, instead of each of the linear panel structure and the corner panel structure being separately formed by the base member and the cover member, one base member is shared for mounting the other cover member. May be done. In this case, FIG.
As shown in (1), instead of forming the corner base member with a single integral member, a plurality of members 70p1, 70p2, and 70p3 are combined to form a corner base member 70p. You may. The same applies to the corner cover member and the linear cover member.

As shown in FIG. 17, a corner base member 70q serving to engage and fix both the corner cover member and the linear cover member is connected to two portions to be engaged substantially diagonally. 70q1 and 70q2, which are moved and fitted to the end of the linear cover member 40q along the longitudinal direction along the longitudinal direction of the cover member 40q to fix the linear cover member 40q. (Suffix q is added at the end).

[Brief description of the drawings]

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an explanatory view showing that a ceiling panel structure is attached according to the shape of an air conditioner. FIG. FIG. 7B is a bottom view of a ceiling panel structure according to a preferred embodiment of the present invention used in the air conditioner of FIG. 7A, and FIG. Explanatory drawing which showed that the shape of a panel structure was adjusted, (d), (e) and (f) are bottom explanatory diagrams of the example of the air conditioner of various shapes and types to which a ceiling panel structure is applied.

FIG. 2 is an explanatory bottom view showing that the shape and size of the ceiling panel structure are adjusted in accordance with obstacles or obstructing parts on the ceiling.

FIG. 3 is a perspective explanatory view of a ceiling panel structure according to a preferred embodiment of the present invention as viewed obliquely from below.

4A and 4B show a ceiling panel structure according to a preferred embodiment of the present invention, wherein FIG.
(B) is an explanatory side view in the direction of the arrow IVB in (a).

5A and 5B show a linear panel structure used in the ceiling panel structure of FIG. 4, wherein FIG.
(B) is an explanatory view of a cross section taken along line VB-VB in (a).

6A and 6B show a linear base member used in the linear panel structure shown in FIG. 5, wherein FIG.
(B) is a sectional view taken along the line VIB-VIB in (a).

FIGS. 7A and 7B show a linear cover member used in the linear panel structure of FIG. 5, wherein FIG.
(B) is explanatory drawing of the VIIB-VIIB line | wire of (a).

8A and 8B show a corner panel structure used in the ceiling panel structure shown in FIG. 4, wherein FIG.
FIG. 3B is a side view in the direction of IIIA, and FIG. 3B is a bottom view in FIG.

FIGS. 9A and 9B show a corner base member used in the corner panel structure of FIG. 8, wherein FIG.
(B) is a sectional explanatory view taken along line IXB-IXB of (c), (c)
(A) is a bottom view as viewed in the direction of the arrow IXC, and (d) is a cross-sectional view taken along the line IXD-IXD of (c).

FIGS. 10A and 10B show a corner cover member used in the corner panel structure of FIG. 8, wherein FIG. 10A is a side view and FIG.

FIG. 11 is a perspective view of the ceiling panel structure shown in FIG.
FIG.

12 is an explanatory bottom view of the state where the corner cover member of FIG. 11 is attached.

FIG. 13 is a schematic cross-sectional explanatory view illustrating a state of adjusting a flow of an air-conditioned air flow by a ceiling panel structure according to a preferred embodiment of the present invention.

FIG. 14 is an explanatory side view partially broken away of a modification of the linear panel structure.

15A and 15B show a modified example of the corner panel structure, in which FIG. 15A is an oblique perspective view of a corner base member also serving as a base of the linear cover member viewed obliquely from below, and FIG. FIG. 4 is a perspective explanatory view showing attachment of a member, and FIG. 4C is a perspective explanatory view showing attachment of a corner cover member.

FIGS. 16A and 16B show a modified example of the corner base member, wherein FIG. 16A is a perspective explanatory view of the state in which the corner base member is being assembled as viewed obliquely from below, and FIG. FIG.

17A and 17B are views for explaining another modification of the ceiling panel structure member, and FIG. 17A is a bottom view (plane) showing assembly of a corner base member also serving as a base of a linear cover member.
Explanatory drawing, (b) is an explanatory bottom view of a state in which two corner base members are assembled, and (c) is a state in which two corner base members are connected by a linear cover member (a straight line is formed between the two corner base members). FIG. 8 is a bottom view (with a cover member attached), and (d) is a bottom view immediately before completion of assembly or assembly of the ceiling panel structure.

[Explanation of symbols]

10, 10a, 10b Ceiling panel structure 11, 11D, 11L, 11R, 11U, 11m Linear panel structure 12, 12LD, 12LU, 12RD, 12RU Corner panel structure 20, 20m Linear base member 21 Plate portion 22 Main plate-shaped portion 24, 28 Main surface 26 Guide plate-shaped portion 27, 89, 89a, 89a, 89a1, 89a2, 8
9b, 89b1, 89b2, 118, 118a, 118
a1, 118a2, 118b, 118b1, 118b2
Groove (weakened portion) 30 Engagement projection (resistance imparting guide) 33, 35 Engagement recess 36, 37 Engagement projection 36a, 37a Engagement projection 40, 40m, 40n, 40q Linear cover member 47 Turning guide (Turning guide part) 49 resistance applying projection part 51 curved guide part 57 thin tip part 62, 63 engagement projection 64, 65 locking projection 70, 70n, 70p, 70q corner base member 82, 83, 84, 85, 82n , 83n, 84n, 8
5n Engagement wall portions 82a, 83a, 84a, 85a Locking projections 90, 90n, 90q Corner cover members 95, 97 Resistance imparting projections 98 Turning guides (turning guides) 102, 103, 104, 105 Engaging projections Part 102a, 103a, 104a, 105a Locking part 200, 200a, 200b, 200c Air conditioner 201, 201a Ceiling surface 202, 202a Obstacle (obstruction part) 210 Indoor air inlet 211 Air-conditioned air outlet K1, K2, K3 Flow direction L1 Length S1, S2, S3 Air flow W1, W10, W2, W3, W5, W7, W8, Wb
width

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[Procedure amendment]

[Submission date] February 21, 2001 (2001.2.2)
1)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Change

[Correction contents]

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, a ceiling panel structure according to the present invention has a ceiling-embedded air having a room air inlet at a center portion and a conditioned air outlet at a peripheral portion. A ceiling panel structure configured to be attached to a ceiling on a downstream side of an air outlet of the air conditioner, which is configured to be installed on the ceiling outside the air conditioner, and blown out from an air outlet of an air conditioner. A diverter that is substantially rigid with respect to the air flow to divert the conditioned air flow to return a portion of the conditioned air flow to the room air inlet, and is mounted on a ceiling outside the air conditioner. Yo
With an engaging part on the side opposite to the side facing the ceiling.
At least one base member provided with said at least
The base member is engaged with the engaging portion of one base member by the engaged portion.
Cover member configured to be fixed to the base member.
And the cover member has the air blown out from the air outlet of the air conditioner.
The conditioned air returns some of the air conditioning flow back to the room air intake.
Substantially stiff relative to the air flow to divert the flow.
A turning guidance unit is provided.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction contents]

[0011] Incidentally, in consideration of the mounting ease of the ceiling surface of the ceiling panel structure, ceiling panel structure is configured to be mounted to the ceiling outside the air conditioner, the side facing the ceiling Is at least one base member provided with an engagement portion on the opposite side, and a cover configured to be engaged with the engagement portion of the at least one base member by an engaged portion and fixed to the base member. A cover member, wherein the cover member substantially turns the conditioned air flow so as to return a part of the conditioned air flow blown out from the air outlet of the air conditioner to the indoor air inlet. A rigid turning guide is provided.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0026

[Correction method] Change

[Correction contents]

Further, the ceiling panel structure according to the size of the surrounding or a space around the air conditioner of the ceiling surface that is embedded, the air conditioner, typically, the ceiling in the vicinity of the outer peripheral portion of the air conditioner Mounted around the air conditioner to avoid obstructions or obstructions, such as electrical wiring outlets and various detectors such as smoke detectors, which may be mounted on the surface. Therefore, the width of the base member or the cover member that forms the ceiling panel structure is typically adjustable. Since one side of the air conditioner can reach almost 2 m, in order to be able to easily adjust the width over a length of about 2 m,
The ceiling panel typically has a weakened portion along the longitudinal direction, and if necessary, cuts along the weakened portion with a cutter or the like to remove a portion in the width direction to thereby remove the width. Is adjustable. Such a weakened portion is typically a groove or the like along the longitudinal direction. Here, the groove is typically formed on the back side, that is, on the side facing the ceiling surface, from the viewpoint of aesthetics and the like.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0037

[Correction method] Change

[Correction contents]

When the air conditioner 200 has a vertically long rectangular outer peripheral shape 200a as shown in FIG. 1E, the ceiling panel structure 10 in FIG.
It is assembled in a vertically long rectangular shape in the drawing as indicated by the imaginary line 10a. On the other hand, the air conditioner 200 has a horizontally long rectangular outer peripheral shape as shown in FIG.
In the case of 0b, the ceiling panel structure 10 is assembled in a horizontally long rectangular shape as shown by an imaginary line 10b in FIG. Incidentally, while the air conditioner 200, in the case of 2 00C for the case as well as square as shown in (d) of FIG. 1 (a), in the FIG. 1 (c), the shown by the solid line (The size of one side may be increased or decreased as necessary).

[Procedure amendment 6]

[Document name to be amended] Statement

[Correction target item name] 0091

[Correction method] Change

[Correction contents]

FIG. 15 shows a linear panel 40n having a projection 30n and a flat portion 26n.
An example in which the end portion of the linear cover member 40n is engaged with and fixed to the corner base member 70n,
It is shown. In the case of this example, the linear cover member 40n
Are the engaging projections 82n, 8 of the corner base member 70n.
3n, comprising 8 4 n, the engaged protrusion extending over practically the entire length to be fixed is engaged with 85n (in this example, denoted by the subscript n in the last). Here, the engagement protrusion 82
The engagement between n-85n and the engaging projection of the linear cover member 40n is sufficient so that the linear cover member 40n can be supported by only engaging with both ends of the relatively long linear cover member 40n. A strong form of engagement is selected. As can be seen from this example, instead of each of the linear panel structure and the corner panel structure being separately formed by the base member and the cover member, one base member is shared for mounting the other cover member. May be done. In this case, FIG.
As shown in FIG. 6 (subscript p is added at the end), instead of forming the corner base member with a single integral member, a plurality of members 70p1, 70p2, 70p3 are combined to form a corner base member 70p. May be. The same applies to the corner cover member and the linear cover member.

Claims (11)

[Claims] 1. A ceiling configured to be attached to a ceiling at a downstream side of an air outlet of a ceiling-embedded air conditioner having an indoor air inlet at a central portion and an air-conditioning air outlet at a peripheral portion. A panel structure, which is configured to be attached to a ceiling outside the air conditioner, and deflects the conditioned air flow so as to return a part of the conditioned air flow blown out from the air outlet of the air conditioner to the indoor air inlet. A ceiling panel structure comprising a turning guide substantially rigid with respect to the air flow. 2. An at least one base member configured to be attached to a ceiling outside the air conditioner and having an engagement portion on a side opposite to a side facing the ceiling; A cover member that is configured to be engaged with the engagement portion at the engaged portion and fixed to the base member, wherein the cover member is a part of the air-conditioned airflow blown out from the air outlet of the air conditioner. The ceiling panel structure according to claim 1, further comprising a turning guide that is substantially rigid with respect to the air flow so as to turn the air-conditioning air flow back to the indoor air suction port. 3. A linear base adjustable in length and width, the base member being mountable on one main surface to a ceiling surface so as to extend along at least one linear side edge of the air conditioner. The ceiling panel structure according to claim 2, further comprising a member, wherein the cover member includes a linear cover member having an adjustable length engaged with the linear base member. 4. A linear base member having a main surface opposite to the one main surface and a width-wise end near an air outlet side edge of the air conditioner being substantially attached to the one main surface. A parallel air-conditioning air flow guide surface is provided, and the engaging portion is provided at a position farther from the side edge of the air conditioner than the guide surface in the width direction, and the turning guide portion of the linear cover member has a linear shape. 4. The ceiling panel structure according to claim 3, wherein the conditioned air flow is diverted so as to return a part of the conditioned air flow flowing along the guide surface of the base member to the indoor air suction port. 5. A resistance which is engaged with the widthwise inner end of the linear cover member at the outer end of the guide surface of the linear base member and reduces the flow velocity of the conditioned air flow spread along the guide surface. The ceiling panel structure according to claim 4, wherein a resistance imparting projection that functions as a protrusion is formed. 6. A corner base member which can be attached to the ceiling surface on one main surface at a position adjacent to an end of the linear base member so that the base member is located outside the corner of the air conditioner. The ceiling panel structure according to any one of claims 3 to 5, wherein the cover member includes a corner cover member engaged with the corner base member at a position adjacent to an end of the linear cover member. 7. The base member includes a corner base member that can be attached to the ceiling surface on one main surface so as to be located outside a corner of the air conditioner, and the cover member is connected to the corner base member at both ends. 3. A linear cover member having an adjustable length and width and a corner cover member engaged with a corner base member adjacent an end of the linear cover member.
3. The ceiling panel structure according to item 1. 8. The cover member according to claim 2, wherein the cover member has a resistance-imparting projection on the upstream side of the turning guide, which acts as a resistance for reducing the flow velocity of the conditioned airflow flowing along the surface of the cover member. The ceiling panel structure according to any one of the above. 9. A ceiling configured to be attached to a ceiling at a downstream side of an air outlet of a ceiling-embedded air conditioner having an indoor air suction port at a central portion and an air-conditioning air outlet at a peripheral portion. A base member having a main surface that can be attached to a ceiling surface on one main surface so as to extend along each of the linear side edges of the air conditioner and that can be adjusted in length and width in an extending direction. Wherein the main surface opposite to the one main surface is provided with an engagement portion, and the main surface is fixed to the base member by being engaged with the engagement portion of each of the base members by an engaged portion. The cover member is configured to be adjustable in length, and the air-conditioning air flow is turned to return a part of the air-conditioning air flow blown out from the air outlet of the air conditioner to the indoor air suction port. With a substantially rigid turning director for flow And the ceiling panel structure comprising a corner panel structure located between adjacent ends of the straight line-shaped panel structure are engaged with adjacent ends of the straight line-shaped panel structure. 10. The ceiling panel structure according to claim 2, wherein the base member and the cover member are made of a substantially opaque material. 11. The ceiling panel structure or the ceiling panel structure according to claim 2, wherein the base member and the cover member are made of a plastic material.