JP2002276989A - Ceiling embedded type indoor unit structure of air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ceiling embedded type indoor unit structure of air conditioner in which the number of parts and the cost can be reduced by making possible to use panel members commonly. SOLUTION: In the ceiling embedded type indoor unit structure of an air conditioner for conditioning indoor environment by cooling or heating air sucked from a room into a hear exchanger being supplied with refrigerant during conduction process, panel members 22 and 22A being mounted on the indoor ceiling have a suction grill 23 for sucking indoor air and an air outlet 31 for supplying conditioned air and an opening part 25 becoming the air outlet 31 is provided with a recess 28 to be fixed selectively with any one of a louver mechanism 32 or an air outlet cover 24.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-mounted indoor unit structure of an air conditioner for cooling or heating air in a process of flowing air through a heat exchanger so as to harmonize the indoor environment.

[0002]

2. Description of the Related Art In an air conditioner, refrigerant circulates between an outdoor unit having a compressor, an outdoor heat exchanger, an outdoor unit fan and the like, and an indoor unit having an indoor heat exchanger and an indoor unit fan. Then, cooling or heating is performed by repeating vaporization and condensation of the refrigerant flowing in each heat exchanger by heat exchange with outside air or room air. Conventionally, as shown in FIG. 5, an indoor unit of such an air conditioner is a ceiling-mounted indoor unit (hereinafter referred to as an indoor unit) 1 which is embedded and installed in a ceiling 1 in a room.
There is 0. Such an indoor unit 10 is effective in providing a large and clear indoor space because there is no protrusion into the room.

[0003] The indoor unit 10 described above has a main body 11 installed inside a ceiling with an indoor heat exchanger and an indoor unit fan in a casing, a suction grill 12 for sucking air from inside the room, and air-conditioned air. Blow-off port 13
And a panel member 14 provided with. The panel member 14 is a molded member, such as a resin, which is formed to be substantially the same as the ceiling surface, covers the opening of the main body 11, and is removably attached to the interior of the room. The suction grille 12 is generally attached to the panel member 14 so as to be openable and closable or removable for maintenance such as cleaning a filter (not shown). The outlet 13 is usually provided with a louver 13a so that the blowing direction can be adjusted.

[0004] As the indoor unit 10 of the ceiling embedded type described above, there is a unit called a one-way blowout type as shown in FIG. This one-way blowing type indoor unit 10
Is to blow out the entire amount of conditioned air from one outlet 13 only in one direction, and therefore, there is an advantage that comfort can be evenly spread in a room by a strong downward blowing amount. As shown in FIG. 6, such one-way blowout types include (a) a standard type and (b) a descending ceiling type.

A standard type indoor unit 10 is shown in FIG.
As shown by an arrow in (a), after air in the room is suctioned from the suction grille 12 of the panel member 14 and air-conditioned, the air is blown out from the outlet 13 opening in the same panel. The indoor unit 10A of the descending ceiling type is the same as shown in FIG. 6B until the indoor air is sucked from the suction grill 12 of the panel member 14 and air-conditioned.
However, the outlet 15 of the conditioned air is lowered to the vertical wall 2 of the ceiling.
The side wall of the main body 11 and the outlet 15 are connected by a duct 16 through which conditioned air passes. In FIGS. 6A and 6B, reference numeral 3 in the drawings indicates a floor surface.

[0006] In a similar manner to the illustrated ceiling type, air-conditioned air is supplied from the indoor unit 10A to the duct 1.
There is also a so-called duct type (not shown) which is guided to a desired position at 6 and blows out from an outlet opened downward from the ceiling 1. In this case, although there are differences in the routing of the duct and the outlet, the indoor unit configuration is substantially the same as that of the ceiling type, so it will be treated as the same in the following description.

[0007]

By the way, comparing the above-mentioned (a) standard type and (b) descending ceiling type, since the positions of the air outlets 13 and 15 are different, the panel members 14 of both types have different shapes. It will be. That is, unlike the standard type in which the outlet 13 is provided in the panel member 14, the downward ceiling type does not require an opening serving as an outlet. For this reason, the panel member 14 cannot be used in common for both types, and conventionally, the one having the opening of the outlet 13 and the other having no opening are manufactured as separate parts. Producing a plurality of types of panel members in this way has the disadvantage of requiring a plurality of molds and increasing the cost of parts. Also, manufacturing a plurality of panel members leads to an increase in the number of parts, and there is an inconvenience that parts management becomes complicated and costs increase.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has a structure of a ceiling embedded type indoor unit structure of an air conditioner in which a panel member can be shared and the number of parts and cost can be reduced. It is intended to be provided.

[0009]

The present invention employs the following means in order to solve the above-mentioned problems. The air-conditioning apparatus according to claim 1, wherein the ceiling-embedded indoor unit structure cools or heats the air sucked from the room to the heat exchanger receiving the supply of the refrigerant so as to balance the indoor environment. In the ceiling embedded indoor unit structure of the harmony device, a panel member attached to be exposed to the indoor ceiling includes a suction unit that sucks indoor air, and an air outlet that blows out conditioned air. The invention is characterized in that a common support portion is provided for selecting and mounting either the louver mechanism or the outlet cover.

[0010] According to such a ceiling-embedded indoor unit structure of the air conditioner, either the louver mechanism or the outlet cover can be selectively attached to the outlet of the panel member that blows out the conditioned air. Therefore, it is possible to use common parts for the panel members. In the ceiling embedded indoor unit structure of the air conditioner described above, the common support portion is preferably provided with a concave portion provided in a longitudinal direction so as to face a vertical wall portion forming the opening of the outlet, and
It is preferable that the outlet cover is provided with locking means on each side where the common support is not provided.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of an indoor unit structure of a ceiling embedded type of an air conditioner according to the present invention will be described below with reference to the drawings. FIG. 1 shows a ceiling-mounted indoor unit (hereinafter referred to as an indoor unit) of a one-way blowing type. In FIG. 1 (a), reference numeral 20 in the figure is a descending ceiling type indoor unit, 21 is a main body, 21a is a duct connection port, 22 is a panel member, 23 is a suction grill, 2
4 is an outlet cover. Also, in FIG.
Reference numeral 20A in the figure is a standard type indoor unit, 21 is a main body, 22A is a panel member, 23 is a suction grill, 31
Is an outlet, and 32 is a louver mechanism.

The indoor unit 20 of the falling ceiling type comprises:
A device for air-conditioning the room air sucked from the suction grill 23 and blowing the air into the room from a separate outlet (not shown) installed at an appropriate place in the room by a duct (not shown) connected to the duct connection portion 21a. is there. Indoor unit 20
An indoor heat exchanger, an indoor unit fan, and the like, which are not shown, are housed in the main body portion 21. The main body 21 is installed so as to be embedded in the ceiling, and a panel member 22 is attached to an opening formed along the ceiling surface. Note that the panel member 22 is a part formed by molding a resin or the like.
A suction grill 23 is attached to the panel member 22 so as to be openable and closable (or detachable), and an outlet cover 24 is attached so as to close an elongated rectangular opening 25 serving as an outlet in a standard type. .

FIG. 2 shows the vicinity of the opening 25 of the panel member 22 attached to the indoor unit 20 on the back side (the main body 21).
FIG. Around the opening 25, a vertical wall portion 26 is provided so as to protrude rearward so as to surround four sides. The vertical wall portion 26 has a configuration in which a heat insulating material 27 is provided between a pair of ribs 26a and 26b which are provided upright at an interval by resin molding. A rib 26b is provided on the vertical wall 26 on the short side forming the opening 25.
The recess 28 is provided with a notch. That is, a pair of concave portions 28 are formed in the vertical wall portion 26 so as to oppose each other in the longitudinal direction of the opening portion 25 serving as an outlet. The concave portion 28 is a portion for installing a shaft portion of a louver mechanism 35 described later, and serves as a common support portion for the louver mechanism 35 and the outlet cover 24. The heat insulating material 27 corresponding to the recess 28 is provided with a recess having the same shape.

A vertical wall portion 26 forming the above-described opening portion 25
Are locking portions 29a, provided along the long side where the concave portion 28 opposed in the longitudinal direction is not provided, that is, along the long side.
29b. In the illustrated example, one of the locking portions 29
a is a form in which two step surfaces (recesses) are provided by notching the inner rib 26b, and the other locking portion 29b is a form using the upper end surface of the vertical wall portion 26. The number is not particularly limited as long as the locking means of the outlet cover 24 described later can be locked (supported).

On the other hand, as shown in FIG. 3, the outlet cover 24 is a resin plate-like member formed in substantially the same shape as the opening 25. Locking claws 24a, 24b, 24c, which serve as locking means, protrude from the back surface of the outlet cover 25 along each side. In addition, each locking claw 24a, 24b, 24c
Is made of an elastic body, so that the outlet cover 25 can be easily attached and detached, and once locked, the opening 25 is securely closed and held.

The locking claw 24a is locked to the upper end surface of the concave portion 28 to prevent it from falling, and serves as a main locking means for attaching the outlet cover 24 so as to close the opening 25. . Therefore, the locking claws 24a, 24b, 24
Among c, it is necessary to have the highest strength and the highest reliability. The locking claws 24b and 24c are provided for the purpose of preventing the long side of the outlet cover 24 from bending due to its own weight. Accordingly, the air outlet cover 24 may be supported by the step portion or the upper end surface so as not to be bent, and may not be required when the outlet cover 24 itself has high rigidity or small weight. The outlet cover 24 can be easily attached by aligning it with the opening 25 and pushing it in. Also, a flathead screwdriver or the like is inserted into the boundary between the opening 25 and the outlet cover 24.
Is bent, the locking of the locking claws 24a, 24b, 24c is released, so that they can be easily removed.

FIG. 4 shows a standard type indoor unit 20A.
FIG. 3 is a perspective view of a main part of the vicinity of an opening 25 of the panel member 22A attached to the panel member viewed from the back side (the body 21 side), and corresponds to FIG. 2 described above. Note that the configuration of the vertical wall portion 26 and the like forming the opening 25 is the same as that of the above-mentioned down-ceiling type, and a detailed description thereof will be omitted here. In the panel member 22A, a louver mechanism 32 for changing the blowing direction of the conditioned air is attached by using the concave portion 28 serving as a common support portion with the outlet cover 24 described above. The louver mechanism 32 is attached to the vertical wall portion 26 such that the support member 33 supports the shaft portion 32a, and the coaxial portion 32a is located along the concave portion 28 in a space where the heat insulating material 27 is removed.

The support member 33 not only rotatably supports the shaft portion 32a using the concave portion 28, but also
4 and the like are fixed to the panel main body 22A. Reference numeral 35 in the drawing denotes a driving mechanism of the louver mechanism 32 including an electric motor, a driving force transmission mechanism, and the like.

As described above, the panel members 22 and 2 of the present invention are provided.
2A, using the same molding member, attaches the member to be attached to the opening 25 to the air outlet cover 24 or the louver mechanism 32.
By selecting either one of the above, it becomes possible to use both the ceiling type and the standard type. That is, by providing the common support portion to which the outlet cover 24 and the louver mechanism 32 can be attached, the basic portions of the panel members 22 and 22A can be shared, and the number of parts can be reduced. Such a reduction in the number of parts is effective for cost reduction because the number of molds can be reduced.

The configuration of the present invention is not limited to the above-described embodiment, and is applicable to, for example, a case where an unnecessary outlet is closed in a two-way blowout type or a four-way blowout type. Changes can be made as appropriate without departing from the scope.

[0021]

According to the above-described indoor unit structure of the air conditioner of the present invention, the louver mechanism is attached to the opening serving as the outlet, and the air outlet cover is attached to the opening to close the opening. By providing a common support portion for the louver mechanism and the outlet cover in the ceiling type, it becomes possible to share a panel member. Further, if the panel member can be shared between the standard type and the falling ceiling type, the number of parts of the indoor unit can be reduced and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a view showing an embodiment of an indoor unit structure of a ceiling embedded type of an air conditioner according to the present invention, in which (a) is a perspective view of an exterior of a lowered ceiling type, and (b) is an external perspective view of a standard type. It is.

FIG. 2 is a perspective view of a main part showing the periphery of an opening when the panel member of FIG. 1A is viewed from the back surface side.

FIG. 3 is a perspective view of the outlet cover shown in FIG.

FIG. 4 is a perspective view of an essential part showing the periphery of an opening when the panel member of FIG. 1B is viewed from the back surface side.

5A and 5B are diagrams showing a structure of a ceiling-embedded indoor unit of a conventional air conditioner, wherein FIG. 5A is a perspective view of a state where a panel member is removed, and FIG. It is.

FIGS. 6A and 6B are cross-sectional views showing an installation type of an indoor unit structure embedded in a ceiling, wherein FIG. 6A is a standard type and FIG.

[Explanation of symbols]

 Reference Signs List 20 indoor unit (falling ceiling type) 21 main body 22, 22A panel member 23 suction grille 24 outlet cover 24a, 24b, 24c locking claw (locking means) 25 opening 26 vertical wall 27 heat insulating material 28 recess (common) Supporting parts) 29a, 29b Locking part 31 Blow-out port 32 Louver mechanism

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hiroshi Koshino 60-1 Kutsubo, Iwazuka-cho, Nakamura-ku, Nagoya-shi, Aichi F-term in Churyo Engineering Co., Ltd. 3L051 BG03 BH06

Claims (3)

[Claims] 1. A ceiling-embedded indoor unit structure of an air conditioner for cooling or heating in a process of flowing air sucked from a room through a heat exchanger receiving a supply of a refrigerant to harmonize a room environment, Panel members attached to be exposed on the indoor ceiling,
It is provided with a suction part for sucking room air, and a blow-off port for blowing out conditioned air, and the blow-out port is provided with a common support portion to which one of a louver mechanism and a blow-out cover is selectively attached. The ceiling-mounted indoor unit structure of the air conditioner. 2. The air conditioner according to claim 1, wherein the common support portion is a concave portion provided in a longitudinal direction to face a vertical wall portion forming an opening of the outlet. Ceiling-mounted indoor unit structure. 3. The indoor unit according to claim 1, wherein the air outlet cover has a locking means on each side where the common support portion is not provided. Construction.