JP2000304298A - Ceiling embedded air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow an air conditioner of one common structure to be used for a duct specification and a panel specification, by respectively providing openings at a lower surface and one side face of a housing, and closing either one opening by a wind shield plate. SOLUTION: A structure of a housing 2 of a portion for forming a suction chamber 26 has a suction air duct, a suction panel or a mechanism for easily attaching or detaching a wind shield plate 27 such as, for example, an attaching/ detaching cassette, an attaching/detaching mechanism of a common screw clamping member or the like. That is, an air suction port of a back side face side of the housing 2 has a mechanism for mounting by replacing the plate 27 with the duct, and an air suction port 7 of a lower surface side of the housing 2 has a mechanism for mounting by replacing the panel with the plate 27. The plate 21 is constituted of a common attaching/detaching mechanism having the same longitudinal, lateral and threaded hole positions or the like to become a mechanism for mounting the same plates 27 on walls of the lower surface side of the housing 2 and of a back side surface side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is to improve the air inlet of an air conditioner installed in a ceiling for air conditioning in a room, so that it can be used commonly for duct specifications and panel specifications. The present invention relates to an embedded ceiling air conditioner.

[0002]

2. Description of the Related Art Ceiling-mounted air conditioners are broadly classified into panel-type air conditioners and duct-type air conditioners. As shown in FIG. 4, the panel-mounted ceiling-mounted air conditioner incorporates a heat exchanger 3 for temperature control, a blower 4, etc. in a rectangular parallelepiped casing 2 disposed behind the ceiling 1. A room air suction port 7 having a suction port panel 6 is provided on a wall surface 5 on the lower surface side of the body 2, and conditioned air temperature-controlled in the housing is provided on a side surface 8 of the housing 2 on the outlet side of the blower 4. Outlet 9 for sending air
And the conditioned air is sent to the room 12 through the duct 10 and the blowout louver 11.

In the ceiling-mounted type air conditioner having the panel specification, when the suction panel 6 of the ceiling 1 is removed, the suction port 7 is removed.
Can access the inside of the housing 2 directly from the
It is easy to repair and service the electrical box 22, the heat exchanger 3, and the blower 4 provided in the inside, but since the suction panel 6, the suction port 7, and the blower 4 are close to each other, the operation sound of the blower 4 is reduced. It has the characteristic of leaking easily.

[0004] The duct-mounted ceiling-mounted air conditioner is
As shown in FIG. 5, a heat exchanger 3 for controlling temperature, a blower 4, and the like are built in a rectangular parallelepiped casing 2 disposed behind the ceiling 1, and are provided at a location away from the installation location of the air conditioner. Through the suction louver 13 and the suction air duct 14, the room air is sucked to perform air conditioning such as dust removal and temperature control, and the inside of the housing 2 is provided on the side surface 8 of the housing 2 on the outlet side of the blower 4. An outlet 9 for sending out conditioned air with temperature control is provided, and the conditioned air is sent to a room 12 through a duct 10 and a blowout louver 11.

[0005] The air conditioner of this duct specification is a room 1
The air is guided from the second air inlet louver 13 to the housing 2 via the suction air duct 14, and the blower 4 and the air suction louver 13 are separated, so that the operating sound of the blower 4 leaks into the room. While there is little noise, repair work and maintenance work require removal of the ceiling wall and access to the housing through the maintenance panel 15 attached to the ceiling 1, and the blower 4 and the heat exchanger 3 Unless the service panel 16 is removed, access is not possible.

[0006]

It is highly convenient for a user that the ceiling-mounted air conditioner can be selected as a system adapted to the condition of a building or room to be air-conditioned. However, the fact that the ceiling-mounted air conditioner has such two systems increases the number of models and parts for manufacturers and contractors, and increases production costs and sales costs such as parts management. Is to increase.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and has one common structure by making a suction port of a ceiling-mounted type air conditioner a structure that can be commonly used for a panel specification and a duct specification. The purpose of the present invention is to provide an air conditioner with a built-in ceiling that can be used for both duct specification and panel specification with an air conditioner having a structure, and to make it easier for users in terms of manufacturing and distribution costs. Things.

[0008]

According to the first aspect of the present invention,
A heat exchanger for controlling temperature, a blower, etc. are built in a rectangular parallelepiped housing placed behind the ceiling, and openings are provided on the lower surface and one side of this housing, and one of the openings is windproof In a ceiling-mounted air conditioner closed with a plate and the remaining opening acts as a suction port, the windshield plate is a ceiling-mounted air conditioner having a mechanism that can be attached to any opening. is there.

According to a second aspect of the present invention, a heat exchanger for controlling temperature, a blower, and the like are incorporated in a rectangular parallelepiped housing disposed behind the ceiling, and openings are provided on the lower surface and one side surface of the housing. In a ceiling-embedded type air conditioner in which one of the openings is closed by a wind shield plate and the other opening acts as a suction port, the opening (suction port) provided on one side of the housing is a wind shield plate. And a mechanism that allows the air duct to be replaced and installed. The opening (suction port) provided on the lower surface of the housing has a mechanism that allows the suction panel and the wind shield plate to be replaced and mounted. Ceiling-mounted air conditioner.

[0010] In the ceiling embedded type air conditioner of the present invention,
The air inlet for indoor air has a mechanism that allows the same wind shield to be attached to the lower surface side of the housing and one side surface of the housing. When the air conditioner is installed in the back of the ceiling with a duct specification, air conditioning can be done by installing and removing a common wind shield plate for both specifications instead of using a dedicated wind shield for each specification. When closing the suction port on the lower side of the housing with a wind shield and installing the same air conditioner behind the ceiling with panel specifications and air conditioning,
By closing the air intake on one side of the housing with the same air shield as that used for the duct specification, the exact same airframe and air shield can be used for the air conditioner with the air inlet suitable for each application It can be used as

The ceiling-embedded air conditioner of the present invention has a mechanism capable of replacing and attaching a wind shield plate and an air duct to an air suction port on one side of the housing. The air inlet on the lower side of the body has a mechanism that allows the air inlet panel and the wind shield to be replaced and installed. When air-conditioning is installed in the back of the ceiling with duct specifications, the suction port on one side of the housing is attached with a wind shield while the suction port on the lower surface side of the housing is closed with a wind shield. With the same mechanism as described above, a duct can be attached to form a duct-type air conditioner.

Further, when the same air conditioner is installed in the back of the ceiling in a panel specification for air conditioning, the wind shield plate attached to the suction port on the lower surface side of the housing is removed, and the wind shield plate is connected to the duct. The same mechanism as the installation is used to attach to the suction port on one side of the housing, and the suction port panel on the ceiling side is installed with the same mechanism as the wind shield plate, so that the airframe is exactly the same as the duct specification. The panel-type air conditioner can be made by using the wind plate.

[0013]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a perspective view showing the overall configuration of a ceiling-mounted air conditioner according to the present invention. In FIG.
Reference numeral 2 denotes a housing in which a structural material 18 such as an angle material is assembled in a substantially rectangular parallelepiped shape, and a top wall 19, a side wall 20, a bottom wall 5 (a wall surface on the lower surface side of the housing), and the like are attached to the assembly. Is provided with an electrical box 22 in which a heat exchanger 3 for temperature control, a blower 4 and a controller (not shown) for controlling these devices are incorporated.

The temperature control heat exchanger 3 is connected to, for example, an air conditioning unit (not shown) using a refrigerant. During cooling, the cooled brine and the refrigerant are circulated so that heat exchange is performed. While the air passing through the heat exchanger 3 is cooled, the air passing through the heat exchanger 3 is warmed by circulating heated brine or pressurized refrigerant during heating.

The capacity of cooling and heating is determined by the pressure of the refrigerant flowing through the heat exchanger 3 and the temperature and amount of brine (heat source fluid amount).
Is controlled by a controller to be adjusted.

The blower 4 is installed on the windward side of the heat exchanger 3, and is configured to suck indoor air sucked into the housing 2 from the side opening 23 and discharge the air toward the heat exchanger 3. And has a blower blade driven by the electric motor 24.
In the panel-type ceiling-embedded air conditioner, the indoor air suction port 7 is formed in the wall surface 5 on the lower surface side of the housing 2, and the duct-type air conditioner suction port 28 is connected to the surface of the ceiling 1. It is formed on the side of the intersecting rear side wall 25.

However, since the suction opening 23 of the blower 4 is open to the suction chamber 26 of the housing 2, the suction ports 7, 28
There is no difference in the function of the blower, regardless of whether it is on the lower wall or the rear wall of the housing 2.

In the embodiment of the ceiling-embedded air conditioner shown in FIG. 1, a double sirocco fan type blower is incorporated as a blower. The cooling or heating capacity can be adjusted by controlling the amount of air blown by the blower 4 by a controller, in addition to the above-described refrigerant and the like.

The electrical box 22 is attached to the side wall 20 of the air conditioner, and as described above, the room 1 to be air-conditioned.
The amount of the heat source fluid flowing through the heat exchanger 3 and the amount of air blown by the blower 4 are controlled by the difference between the set temperature 2 and the current temperature. In the electrical box 22, there are provided a safety device for the device, a wiring connector for connecting the inside of the air conditioner to the device outside the device, and a discharge port for sending temperature-controlled air out of the device as necessary. It also has a built-in damper controller that adjusts the degree of opening of the opening, and controls the air volume at each location sent to the room to be air-conditioned through a plurality of ducts 10 so that the most comfortable temperature control is achieved. You can do it.

In the panel type ceiling-mounted type air conditioner, the electrical box 22 is provided with a housing such that the suction panel 6 of the ceiling 1 can be opened and electrical work and repair work can be performed from the suction port 7 of the housing 2. The second side wall 20 is attached to the inside of the housing 2 (suction chamber 26). For the duct type, the maintenance panel 15 installed on the ceiling of the place where the air conditioner is installed
In general, an electrical box 22 is attached to the outside of the side wall 20 of the housing 2 so that electrical work or the like can be performed by accessing the electrical box.

In the present invention, as will be described later, the electrical box 22 is provided inside the housing 2 when the panel is used, and the equipment box is used for the duct type so that the same electrical box 22 can be commonly used in each specification. Mounted on the outside.

The structure of the housing 2 at the portion forming the suction chamber 26 is a mechanism that allows easy attachment and detachment of the suction air duct 14, the suction port panel 6, or the wind shield plate 27, for example, a detachable cassette, a common screw fastening. It has an attachment / detachment mechanism for members and the like. That is, the air suction port 28 on the back side of the housing 2 is
7 and the suction air duct 14 can be replaced and attached. The air suction port 7 on the lower surface side of the housing 2 is connected to the suction port panel 6.
It has a mechanism that can be replaced and attached to the windshield 27.

The wind shield 27 has a vertical dimension, a horizontal dimension, and a screw hole so that the same wind shield 27 can be attached to the lower wall surface and the rear wall surface of the housing 2. The positions and the like have the same dimensions and constitute a common attaching / detaching mechanism.

As described above, in the ceiling-embedded air conditioner according to the present invention, the air suction port 28 on the back side surface of the housing 2 is mounted by exchanging the wind shield plate 27 and the suction air duct 14. The air suction port 7 on the ceiling surface side has
Since the air conditioner is provided with a mechanism that can replace and attach the suction port panel 6 and the wind shield plate 27, a panel-mounted ceiling-mounted air conditioner is installed as an air conditioner installed in the room 12 for air conditioning. When appropriate, back side 2 of housing 2
5 is closed by a wind shield 27, the electrical box 22 is arranged inside the housing of the housing 2, and the air inlet panel 7 is attached to the air suction port 7 on the lower surface side of the housing 2. In addition, it is possible to adopt a structure of an embedded ceiling type air conditioner that controls the temperature by sucking the air in the room from the ceiling directly below the air conditioner.

When a duct-mounted ceiling-mounted air conditioner of a duct specification is suitable, the air suction port 7 on the lower surface side of the housing 2 is closed by a wind shield plate 27, and the electric box 22 is closed by the side wall 20 of the housing. When the suction air duct 14 is attached to the air suction port 28 on the rear side surface 25 of the housing 2 by using the attachment / detachment mechanism, the suction louver 13 located at a position away from the installation location of the air conditioner is installed. The air in the room 12 is sucked from the room 1 through the duct 14, and the temperature-controlled air is blown out from the louver 11 to the room 1
The air conditioner can be a ceiling-mounted air conditioner with a duct specification to be sent to the second air conditioner.

In this case, if the same wind shield 27 can be attached to the wall surface 5 on the lower surface side of the housing and the wall surface 25 on the rear surface side of the housing, air conditioning of the duct specification and the panel specification can be achieved. The same windshield 27 can be used in any of the devices, and if the electrical box 22 is of a structure that can be used in common for both specifications, as in the windshield 27, the panel-type electrical box 22 or It is also possible to eliminate waste including dedicated components such as an electrical component box 22 of a duct specification.

Further, with respect to the structure of the air suction ports 7 and 28 of the housing 2, all of the suction air duct 14, the suction panel 6, and the wind shield 27 can be attached to and detached from the housing 2 with a common attachment / detachment mechanism. If it is made possible, it is possible to provide a duct-type and panel-type ceiling-embedded air conditioner with the least waste by using exactly the same casing 2 and parts.

Although not shown in the drawing, the air suction / detachment attachment / detachment mechanism is designed to prevent air leakage at the junction with the suction air duct 14, the suction port panel 6, and the wind shield 27. Needless to say, a seal member is provided for the purpose.

[0030]

As described above, the ceiling-embedded air conditioner according to the present invention incorporates a heat-regulating heat exchanger, a blower, and the like in a rectangular parallelepiped housing arranged behind the ceiling. Openings are provided on the lower surface and one side surface of this housing, and one of the openings is closed with a wind shield plate and the other opening acts as a suction port, so air conditioning equipment of panel specification and duct specification Of the same type, and the wind shield is not a dedicated wind shield for each specification, but is provided with a common wind shield and a common attachment / detachment mechanism for both specifications. When installing and air-conditioning, close the opening on the bottom side of the housing with a wind shield, and when installing the same air conditioner behind the ceiling with panel specifications and air conditioning, open the opening on one side of the housing with duct specifications Closing with the same wind shield plate used in Preparative, those that can be used as an air conditioning apparatus of the inlet suitable for the specifications of each application.

The ceiling-mounted air conditioner according to the present invention incorporates a heat exchanger for controlling temperature, a blower, and the like in a rectangular parallelepiped housing disposed behind the ceiling, and has a lower surface of the housing. A room air suction port is provided on the wall surface and on one side surface of the housing adjacent to the lower wall surface, and conditioned air adjusted in the housing is sent to the side surface of the housing on the outlet side of the blower. In addition to providing an air outlet, the air suction port on one side of the housing has a mechanism that can replace and attach the air shield plate and the air duct, and the air suction port on the bottom side of the housing is a suction panel It has a mechanism that can be replaced and installed with a wind shield, so when installing the air conditioner of the panel specification and the duct specification exactly the same and installing it in the back of the ceiling with the duct specification for air conditioning Closes the suction port on the bottom surface of the housing with a windshield, and Mouth may be an air conditioner duct specifications attached suction air duct by the same mechanism as mounted to windshield plate to the suction port.

Further, when the same air conditioner is installed in the back of the ceiling in the panel specification for air conditioning, the wind shield plate attached to the suction port on the lower surface side of the housing is removed, and the wind shield plate is connected to the duct. With the same mechanism as the installation, it is attached to the suction port on one side of the housing, and the suction port on the bottom side is attached to the suction port panel with the same mechanism as that of the wind shield, so that the same airframe as the duct specification An air conditioner of a panel specification can be obtained by using a wind shield plate.

Thus, the present invention provides a ceiling-mounted air conditioner that can be used for both duct specifications and panel specifications with a single common structure of the air conditioner housing.
To make it easier for users in terms of manufacturing and distribution costs, thereby increasing the number of models and parts, and increasing selling costs such as manufacturing costs and parts management for air conditioner manufacturers and contractors. It is possible to provide a ceiling-mounted air conditioner capable of performing comfortable air conditioning with a specification most suitable for a room in which the air conditioner is installed without any difficulty.

[Brief description of the drawings]

FIG. 1 is a partially exploded perspective view of an embedded ceiling air conditioner according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an external appearance of a ceiling-mounted air conditioner of panel specification.

FIG. 3 is a perspective view showing an external appearance of a ceiling-mounted air conditioner of a duct specification.

FIG. 4 is a configuration diagram showing a mounted state of a panel-mounted ceiling-mounted air conditioner.

FIG. 5 is a configuration diagram showing an attached state of a ceiling-mounted air conditioner of duct specification.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ceiling 2 Housing 3 Heat exchanger 4 Blower 5 Wall surface on the lower surface side of housing 6 Inlet panel 7 Inlet for room air 8 Side surface on the outlet side of blower 9 Outlet 10 Duct 11 Outlet louver 12 Room 13 Inlet louver 14 Suction air duct 22 Electrical box 24 Electric motor 25 Back wall surface 26 Suction room 27 Wind shield plate 28 Suction port

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuhiro Hinata 2-5-5 Keihanhondori, Moriguchi-shi, Osaka F-term in Sanyo Electric Co., Ltd. (reference) 3L051 BG07 BH02

Claims (2)

[Claims] 1. A heat exchanger for controlling temperature, a blower, and the like are built in a rectangular parallelepiped housing disposed behind a ceiling, and an opening is provided on a lower surface and one side surface of the housing, respectively. In the ceiling-embedded air conditioner in which the opening is closed by a wind shield plate and the remaining openings function as suction ports, the air shield plate has a mechanism that can be attached to any of the openings. Ceiling-mounted air conditioner. 2. A heat exchanger, a blower, and the like for temperature control are built in a rectangular parallelepiped housing arranged behind the ceiling, and an opening is provided on the lower surface and one side surface of the housing, respectively. In the ceiling-mounted air conditioner that closes the opening with a wind shield and the remaining opening acts as a suction port, the opening (suction port) provided on one side of the housing exchanges the wind shield with the air duct. An opening (suction port) provided on the lower surface of the housing has a mechanism capable of replacing and mounting a suction panel and a wind shield plate. Ceiling-mounted air conditioner.