JPH05133594A - Air supply/discharge box - Google Patents

Abstract

PURPOSE:To hold a sufficiently satisfactory function as a speaker for the speaker without competing with a mounting place. CONSTITUTION:A speaker 6 is mounted in a functional state toward an indoor side on a decoration panel 4 to be mounted in a cover state on a lower surface of a body box 2 opened at its lower surface as a sound absorption structure at an indoor side with a sound absorption material 1 mounted in a space behind a ceiling and extended to the indoor side surface. The box having the structure and a vent passage to be connected to a ventilator via a duct to form a structure in which the passage itself effects excellent acoustic effect as it is becomes a speaker box adapted for the speaker 6 mounted on the panel 4, and it is not necessary to separately provide a speaker for a BGM, a guide broadcasting or other informing means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air supply / exhaust box which is a decorative panel on the indoor side and whose main body is an indoor side terminal part of a ventilation system which is attached to the ceiling or the like.

[0002]

2. Description of the Related Art The air supply / exhaust box of this type is widely used in a ventilation system as an indoor side terminal part of an air conditioner such as a building or a public facility. The basic structure is composed of a box-type main body that is attached to the back of the ceiling and the like, and a decorative panel that is attached to the main body and constitutes a substantial air supply outlet or exhaust air inlet on the ceiling surface. The main body is a sound deadening box lined with sound absorbing material, and a connection port for duct connection with an air conditioning ventilation device is provided on one side.

The air supply / exhaust box having the above-mentioned structure is connected to an air supply device, an exhaust device, or a heat exchange ventilation device to constitute an indoor side terminal portion of the ventilation system, and functions as a suction portion of indoor air or a blowing portion of outdoor air. ..

[0004]

In the air supply / exhaust box as described above, it is difficult for the operating noise of the blower of the ventilation device to reach the room, and quiet air supply or exhaust can be realized. It is suitable as a component of a ventilation system. However, since many things such as lighting fixtures, loudspeakers for guide broadcasting and fire protection devices have been installed on the ceiling in such places, the ceiling surface becomes more complicated due to the installation of the air supply / exhaust box, and a harmonious interior environment. The atmosphere also tends to be difficult to form.

Since the air supply / exhaust box requires a duct piping space as well as a ventilation system, the space above the ceiling is suitable as a place of installation in order not to narrow the room, but for example, the ceiling is not necessarily suitable as a place of installation of the acoustic device. is not.
That is, most of the ceilings of buildings are continuous spaces, and if you ignore the acoustic effect on this space, the sound of the speaker attached to the ceiling of a particular room will echo in other rooms,
The sound itself is also of poor quality. Therefore, in actual construction, the speaker must be a speaker device with a speaker box, or a speaker box made of a sound absorbing material or the like must be formed on the ceiling and the speaker must be attached.

[0006] It is an object of the present invention to provide a supply / exhaust box which does not compete with a speaker for a mounting location and which has a sufficiently satisfactory function as a speaker device and which provides a simple and harmonious indoor atmosphere.

[0007]

An air supply / exhaust box according to the present invention is mounted in a space such as a space above a ceiling, and one end of a ventilation path of a sound absorbing structure formed inside is opened on a surface on an indoor side,
A speaker is functionally attached to the interior side of a decorative panel that is attached like a lid to the interior side surface of the main body box body in which the connection end to the ventilation device of the ventilation passage is opened on the other side.

In another air supply / exhaust box according to the present invention, the speaker is attached to the center of the decorative panel, and the back of the speaker is wrapped with a sound absorbing member that also serves as a ventilation guide formed in an umbrella shape.

[0009]

In the air supply / exhaust box according to the present invention,
The body box, which has a sound-absorbing structure and has a ventilation path connected to a ventilation device by a duct, and which itself has an excellent structure in terms of acoustic effect, becomes a suitable speaker box for a speaker attached to a decorative panel. It is not necessary to install a speaker separately because of information broadcasting or other notification means.

Further, in another air supply / exhaust box according to the present invention, the sound absorbing member provided especially behind the decorative panel enhances the acoustic characteristics of the speaker and facilitates the flow of the air supply or exhaust air in the relevant portion. To do.

[0011]

1 is a vertical sectional front view of an air supply / exhaust box showing an embodiment of the present invention, and FIG. 2 is a plan view from the decorative panel side.

The illustrated air supply / exhaust box is connected by a duct to a ventilation device having an air-blowing ability to form an air supply / exhaust flow as an indoor end part of a ventilation system. Its basic structure is usually the same as well known. That is, as shown in FIG. 1, a rectangular box-shaped lower open box structure is formed,
On a main body box 2 which constitutes a ventilation passage or a chamber having a sound absorbing material 1 stretched on the inner surface, a connection port 3 which is connected to a ventilation device and serves as a supply air intake port or an exhaust outlet is provided on one side face thereof so as to be duct connectable. Has been. A decorative panel 4 is attached to the lower surface of the main body box 2 like a lid, and is attached detachably along the ceiling surface. A gap 5 between the decorative panel 4 and the main body box 2 is opened in the room and functions as an exhaust suction port or an air supply outlet.

The decorative panel 4 has a speaker 6 in the center thereof.
However, it is fitted and fixed while being directed toward the indoor side. Other than the front part of the speaker 6, it is housed on the back side of the decorative panel 4. On the back surface of the decorative panel 4, an umbrella-type sound absorbing member 7 made of a sound absorbing material such as sound absorbing plastic is attached, which connects a gap 5 between the decorative panel 4 and the lower surface of the main body box 2 to the center of the inside of the main body box 2. The back surface of the speaker 6 is wrapped with the sound absorbing member 7.

The main body of the air supply / exhaust box having the above structure is attached to the space above the ceiling, and the connection port 3 is connected to the ventilation device by a duct to serve as a supply air blow-out portion or an exhaust air suction portion of the ventilation system. The decorative panel 4 is attached to the lower surface of the main body box 2 along the ceiling surface, and the gap serves as an air supply outlet or an exhaust air inlet to supply fresh outside air into the room or suck in polluted room air. Become. At this time, the umbrella-shaped sound absorbing member 7 serves to guide and smooth the flow of the airflow flowing through the portion to and from the gap, and at the same time, functions to reduce the airflow noise. The speaker 6 incorporated in the decorative panel 4 is connected to the output system of the audio device or the broadcasting device, and independently works as an output unit of the audio device or the broadcasting device. The speaker 6 is not exposed, but the back surface is wrapped with the sound absorbing member 7, the sound absorbing member 1 is stretched, and the ventilation passage is connected by the duct, so that the speaker itself does not easily resonate and has excellent reverberation. The main body box 2 that has a different configuration,
Since the speaker device completes as a suitable speaker box for the speaker 6 when the decorative panel 4 is attached, it is not necessary to separately install a speaker for BG, guide broadcasting, and other notification means. It is possible to avoid a disordered state in which various functional parts are randomly arranged.

[0015]

As is apparent from the above description of the embodiments of the invention, according to the present invention, the sound absorbing structure is provided with the ventilation passage whose one end is connected to the ventilation device by the duct, so that the acoustic effect is less likely to resonate and the reverberation is small. Also, the main body box which is excellent in terms of the structure becomes a suitable speaker box for the speaker attached to the decorative panel, and it is not necessary to separately provide a speaker for BG, guide broadcasting and other notification means. It is possible to obtain a supply / exhaust box that can realize a simple and harmonious indoor atmosphere that does not conflict with the installation location and functions sufficiently as a speaker device.

According to another air supply / exhaust box of the present invention, in particular, the sound absorbing member provided behind the decorative panel improves the acoustic characteristics of the speaker and smoothes the flow of the air flow in the relevant part, thereby improving the air flow. It also has the effect of reducing sound.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of an air supply / exhaust box showing an embodiment of the present invention.

FIG. 2 is a plan view showing the air supply / exhaust box of FIG. 1 from the decorative panel side.

[Explanation of symbols]

 1 Sound Absorbing Material 2 Body Box 4 Decorative Panel 5 Gap 6 Speaker 7 Sound Absorbing Member

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[Procedure amendment]

[Submission date] August 27, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 2

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

In another air supply / exhaust box according to the present invention, the speaker is attached particularly near the center of the decorative panel, and the back of the speaker is wrapped with a sound absorbing member that also serves as a ventilation guide formed in an umbrella shape.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Change

[Correction content]

[0009]

In the air supply / exhaust box according to the present invention,
The body box, which has a sound-absorbing structure and has a ventilation path connected to a ventilation device by a duct, and which itself has an excellent structure in terms of acoustic effect, becomes a suitable speaker box for a speaker attached to a decorative panel. It is not necessary to separately provide a speaker for M , guide broadcasting, and other notification means.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

A speaker 6 is fitted and fixed to the decorative panel 4 in the vicinity of the center of the decorative panel 4 so as to be directed toward the room. Other than the front part of the speaker 6, it is housed on the back side of the decorative panel 4. On the back surface of the decorative panel 4, an umbrella-type sound absorbing member 7 made of a sound absorbing material such as sound absorbing plastic is attached, which connects a gap 5 between the decorative panel 4 and the lower surface of the main body box 2 to the center of the inside of the main body box 2. The back surface of the speaker 6 is wrapped with the sound absorbing member 7.

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction content]

The main body of the air supply / exhaust box having the above structure is attached to the space above the ceiling, and the connection port 3 is connected to the ventilation device by a duct to serve as a supply air blow-out portion or an exhaust air suction portion of the ventilation system. The decorative panel 4 is attached to the lower surface of the main body box 2 along the ceiling surface, and the gap serves as an air supply outlet or an exhaust air inlet to supply fresh outside air into the room or suck in polluted room air. Become. At this time, the umbrella-shaped sound absorbing member 7 serves to guide and smooth the flow of the airflow flowing through the portion to and from the gap, and at the same time, functions to reduce the airflow noise. The speaker 6 incorporated in the decorative panel 4 is connected to the output system of the audio device or the broadcasting device, and independently works as an output unit of the audio device or the broadcasting device. The speaker 6 is not exposed, but the back surface is wrapped with the sound absorbing member 7, the sound absorbing member 1 is stretched, and the ventilation passage is connected by the duct, so that the speaker itself does not easily resonate and has excellent reverberation. The main body box 2 that has a different configuration,
Since constitute a speaker device was completed by a suitable speaker box speaker 6 with the mounting of the decorative panel 4, since the BG M and announcement other notification means
It is not necessary to separately install a speaker, and it is possible to avoid a dissonant state in which various functional parts are randomly arranged on the ceiling surface.

[Procedure correction 6]

[Document name to be amended] Statement

[Correction target item name] 0015

[Correction method] Change

[Correction content]

[0015]

As is apparent from the above description of the embodiments of the invention, according to the present invention, the sound absorbing structure is provided with the ventilation passage whose one end is connected to the ventilation device by the duct, and the acoustic effect which is less likely to resonate and has less reverberation body box body which forms a good structure in terms of, become a suitable speaker box speakers attached to the decorative panel, since it is not necessary to separately provided speakers for BG M and announcement other notification means, a speaker It is possible to obtain a supply / exhaust box that can realize a simple and harmonious indoor atmosphere that fully functions as a speaker device without competing for installation locations.

[Procedure Amendment 7]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

Claims (2)

[Claims] 1. A ventilation path of a sound absorbing structure which is attached to a space such as a space above a ceiling and is formed inside has an opening on an indoor surface, and a connection end of the ventilation path with a ventilation device is open on the other surface. A main body box, and a decorative panel that is attached to the indoor side surface of the main body box in a lid-like manner and is provided along a ceiling surface or the like with a gap between the main body box body serving as an air supply outlet or an exhaust air inlet. The air supply / exhaust box is characterized in that a speaker is functionally attached to the decorative panel toward the indoor side. 2. The air supply / exhaust box according to claim 1, wherein the speaker is attached to the center of the decorative panel, and the back of the speaker is wrapped with a sound absorbing member formed in an umbrella shape and serving as a ventilation guide.