JP3916903B2 - Foldable and open / close silencers - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a foldable and open / close silencer.
[0002]
[Prior art]
In machinery and equipment such as pump stations, it is necessary to take measures against noise from the ventilation duct. For this reason, a conventional silencer duct lined with a silencer made of glass wool has been installed in the building as a ventilation duct.
[0003]
And the building was designed in consideration of the installation space of the silencer duct so that the installed silencer duct would not hinder the loading / unloading and passage of various members, operation, maintenance and the like.
[0004]
However, in recent years, there has been a demand for downsizing the building by reducing the construction cost and the amount of materials, and it has been necessary to reduce the installation space of the noise-reducing duct in the building.
[0005]
[Problems to be solved by the invention]
This invention is made | formed in view of the above-mentioned point, The objective is to provide the folding type | mold and opening-and-closing type silencer suitable for aiming at size reduction of the building which accommodates a mechanical installation etc.
[0006]
[Means for Solving the Problems]
It is necessary to secure a maintenance space such as a passage for equipment repair and inspection around the equipment. This space is a space that is not accessible except when the device is stopped, and is a vacant space during normal operation. However, it is not possible to install a device or the like in that space. A silencer, on the other hand, is only needed for that purpose when the equipment is in operation.
[0007]
Therefore, in the present invention, by making the silencer foldable or openable, the silencer is used when the device is in operation, and the expanded space is opened by folding or opening the silencer when it is stopped. It can be used as
[0008]
That is, in order to solve the above-mentioned problems, the present invention is a rectangular tube shape, and includes a silencer plate having a sound absorbing material and a folding mechanism attached so as to connect each side of the silencer plate, and passes through the inside. In a silencer having a structure for absorbing sound by a sound absorbing material , a pair of opposing folding mechanisms attached to the four sides of the silencer are attached to the outside so that the sides on the outer peripheral surface side of the silencer can be bent. The other opposing folding mechanism is attached to the inside so that the side on the inner peripheral surface side of the silencer can be folded, and the silencer plate is folded by folding the side to which the folding mechanism is attached .
[0009]
Further, the present invention is characterized in that a plurality of the above-mentioned foldable silencers are used and assembled so as to have a rectangular parallelepiped shape as a whole, and the silencer plate is folded by folding the side to which the folding mechanism is attached .
[0010]
Further, the present invention provides a rectangular tube shape, wherein a pair of opposing surfaces are a silencer plate provided with a sound absorbing material, and the other opposing surface is a plate material so that sound passing through the inside is absorbed by the sound absorbing material. In the silencer having a structure, a moving means for moving one of the pair of silencers toward the other silencer is provided , and the other silencer is folded by folding a folding line provided on the plate. A part of the plate member is folded on the rear surface side of the one muffler plate moved to the plate side.
[0011]
The open / close silencer according to the present invention includes a silencer curtain that can be freely opened and closed to the open / close rail, a sound absorbing member is attached to the surface of the silencer curtain, and the open / close rail and the silencer curtain are provided on the open / close rail portion. A side plate is installed to prevent sound leakage from the gap between them, and when this silencer curtain is stretched along the rail for opening and closing, it forms a duct that circulates air inside it , ventilates and silences And
[0012]
In addition, the present invention is characterized in that the silencing curtain is configured by connecting the side edges of a large number of sound-absorbing plates having sound-absorbing members on the surface thereof so as to be bendable.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[Folding silencer]
FIG. 1 is a perspective view showing an embodiment of a folding silencer (single unit) 10. The foldable silencer 10 shown in the figure has a rectangular tube shape, and is configured in a cell-type silencer structure in which sound absorbing material is absorbed by the sound absorbing material by attaching a sound absorbing material therein. The foldable silencer 10 includes a folding mechanism. That is, the folding mechanism is constituted by a link mechanism in which each side portion of the folding silencer 10 is divided into four as folding lines 13 and the respective folding lines 13 are connected by hinges 17.
[0014]
Each of the sound deadening plates 11-1, 2, 3 and 4 is, for example, a metal plate (iron plate) on its outer surface, and a punching metal plate with a large number of holes on its inner surface (surface on the opening 19 side). By storing a sound absorbing material such as glass wool, the inner side sound is absorbed.
[0015]
The hinge 17 is arranged such that the side a on the outer peripheral surface side is bent between the silencer plates 11-2, 3 and between the silencer plates 11-1, 4 and between the silencer plates 11-1, 2 and the silencer plate 11-3. , 4 are attached so that the side b on the inner peripheral surface side is bent. Black circles are attached to the sides to be bent in FIG. 1 (the same applies to the following drawings).
[0016]
The foldable silencer 10 configured as described above can be folded into a flat plate shape by folding the opening 19 as shown in FIG. 2 by bending the sides a and b of each fold line 13.
[0017]
FIG. 3 is a front view (figure seen from the direction of arrow A in FIG. 1) showing a foldable silencer 10 'configured by using a plurality (four sets) of the foldable silencer 10. That is, the foldable silencer 10 'has a rectangular parallelepiped shape as a whole with the four foldable silencers 10-1, 2, 3, and 4 having the same structure as the foldable silencer 10 shown in FIG. Assembled and configured. Here, for convenience of explanation, reference numerals of the muffler plates 11 are denoted as 11-1 to 16 as illustrated. Each of the folding silencers 10-1 to 4 includes a silencer 11-2, 11-8, a silencer 11-3, 11-9, a silencer 11-7, 11-13, and a silencer. The space between the plates 11-10 and 11-16 is fixed by fixing means (not shown). Then, when the silencer plate 11-15 is fixed and each of the foldable silencers 10-1, 2, 3, 4 is folded so as to crush each opening 19, it is folded into a substantially flat plate shape as shown in FIG. Can do.
[0018]
FIG. 5 is a schematic perspective view showing a main part of an example in which the foldable silencer 10 ′ shown in FIG. 3 is used in a pump station. In this pump station, a pump P is installed on the basement floor, a speed reducer 83 and a prime mover (for example, a gas turbine) 85 are installed on the first floor portion, and they are connected to each other. Pumping is performed from a water tank installed under the basement to a predetermined place through a discharge pipe 81.
[0019]
An air supply duct 87 is attached so as to supply air into the room from an opening 89 provided in the wall of the first floor building, and the folding silencer shown in FIG. 10 'are attached in two sets of columns. A wall near the foldable silencer 10 ′ is provided with a loading / unloading port 91 for various equipment, and a floor portion indicated by a dotted line on the indoor side is a passage 93. Since various equipment and people pass through the upper part of the passageway 93, it is opened so that other members are not usually installed. However, in this pump station, the folding silencer 10 'is stretched on the upper part of the passageway 93. It is installed so that it can be put out.
[0020]
Normally, in order to ventilate the air in the building at the time of operation while the pump P is operated in the state shown in FIG. 5, outside air is built in the building via the air supply duct 87 and the folding silencer 10 ′. To introduce. At that time, noise in the building tends to leak to the outside, but the noise is sufficiently reduced by the folding silencer 10 '.
[0021]
On the other hand, when carrying out loading / unloading of various members and passage of people in the passage 93 for repair or inspection of equipment such as the pump P, the folding silencer 10 'is folded to the wall side. That is, normally, as shown in FIG. 6 (a), the folding silencer 10 'protruding in the passage 93 is folded as shown in FIG. The folding silencer 10 ′ can be eliminated from the road 93. When repairing or inspecting equipment such as the pump P, the pump operation is stopped and no noise is generated, so there is no problem even if the folding silencer 10 'is folded. Although the air supply duct 87 cannot be folded, there is no problem because the air supply duct 87 is considerably above the passage 93.
[0022]
If the foldable silencer 10 ′ is used as described above, it may be installed so as to project over the passage 93, so that the size of the building can be reduced.
[0023]
FIG. 7 is a perspective view showing a folding silencer 30 according to another embodiment. The folding silencer 30 shown in the figure has a rectangular tube shape, and a pair of opposing left and right surfaces are silencer plates 31-1 and 2, and the other opposed upper and lower surfaces are plate members 33 and 35. Thus, it is configured as a splitter-type silencer structure. The folding silencer 30 includes a folding mechanism. That is, the folding mechanism slides the silencer 31-2 (not shown) so that one of the left and right silencers 31-1 and 31-2 moves in parallel toward the other silencer 31-1. The mechanism (moving means) is configured to be slidable in the direction of arrow B, and the upper and lower plate members 33 and 35 are divided into two pieces (plate pieces 33-1, 2, 35-1, 2) The folding lines c and d are connected by a hinge 37 so as to be bent.
[0024]
As in the above embodiment, each of the sound deadening plates 31-1 and 31-2 is, for example, a metal plate (iron plate) on the outer side, a punching metal plate with a large number of holes on the inner side, and a sound absorbing material such as glass wool inside. By storing the sound, the sound on the inner side is absorbed. As a slide mechanism, for example, a roller is attached to the bottom surface of the sound deadening plate 31-2 so as to be slidable.
[0025]
With the folding silencer 30 configured as described above, the noise passing through the opening 39 is reduced by absorption by the left and right silencers 31-1 and 31-2. On the other hand, in order to fold the folding silencer 30, first, as shown in FIG. 8, one of the silencer plates 31-2 is slid toward the other silencer plate 31-1, and the opening 39 is crushed. Next, the plate pieces 33-2 and 35-2 located on the rear surface side of the muffler plate 31-2 of the upper and lower plate members 33 and 35 are folded as shown in FIG. Since the folding silencer 30 can also be installed so as to overhang the space used for other uses of the building, the building can be downsized.
[0026]
[Open and close silencer]
FIG. 10 is a perspective view showing an embodiment of the open / close silencer 40. The open / close silencer 40 shown in the figure has a silencer curtain 41 having a sound absorbing member described below attached to the surface thereof, and is stretched along an open / close rail (curtain rail) installed in the upper side plate 61. A duct is formed to connect between the opening 71 and the opening 42 provided in the wall 70.
[0027]
Here, FIG. 11 is an enlarged cross-sectional side view of a main part of the silencing curtain 41 (CC cross-sectional enlarged view of FIG. 10). As shown in the figure, the sound deadening curtain 41 includes a plurality of sound absorbing plates 43 each having a sound absorbing member 45 attached to the surface of the support plate 49 (49-1, 2) (specifically, the sides of the support plate 49). Sides) are connected by connecting means (nodes) 47 so that they can be bent. Each sound absorbing member 45 is configured by housing a sound absorbing material made of glass wool or the like in a cover made of a punching metal plate or the like. The support plate 49 includes two types, that is, a long flat plate-shaped support plate 49-1 and a long and long cross-sectional support plate 49-2. The support plate 49-2 houses the sound absorbing member 45 in the recess. The two support plates 49-1 and 49-1 and one support plate 49-2 are combined into one set so that the sound absorbing member 45 is directed to the same surface, and the support plates 49-1 and 49-2 are provided for the required length. The silencer curtain 41 is configured by being connected by the connecting means 47.
[0028]
As shown in FIG. 10, the silencing curtain 41 has an upper end side inside an L-shaped side plate 61 provided on the outer peripheral lower surface of the ceiling panel 60 installed on the portion of the building wall 70 where the opening 71 is provided. It is attached to an open / close rail (not shown). Only the upper end portion of the connecting means 47 at both ends of the support plate 49-2 having a “U” -shaped cross section among the connecting means 47 shown in FIG. 11 is attached to the open / close rail. That is, the portion of the connecting means 47 that connects the flat support plates 49-1 is not attached to the opening / closing rail. The reason why the side plate 61 is provided is to prevent the leakage of sound from the gap between the opening / closing rail and the silencing curtain 41 as much as possible.
[0029]
On the other hand, a flat sound absorbing member 73 (see FIG. 12) (a sound absorbing material such as glass wool covered with a punching metal plate or the like) is attached to the entire surface of the wall 70 covered with the sound deadening curtain 41.
[0030]
As shown in FIG. 10, when the silencing curtain 41 is stretched along the rail for opening and closing, a duct connecting the opening 71 and the opening 42 formed by the silencing curtain 41 is formed therein. Therefore, air is ventilated through this duct, and at the same time, the noise absorbing member 45 provided on the silencing curtain 41 and the sound absorbing member 73 provided on the wall 70 absorb and reduce the noise that is about to go outside. The open / close silencer 40 according to this embodiment is a silencer that silences sound by means of the sound absorbing curtains 41 and the left and right sound absorbing members 45 and 73 provided on the wall 70, and the sound absorbing member is attached to the lower surface and the floor surface of the ceiling panel 60. It is also possible to improve the silencing effect.
[0031]
On the other hand, when the open / close silencer 40 is opened, the silencer curtain 41 may be opened along the open / close rail as shown in FIG. At this time, as shown in FIG. 13, the silencing curtain 41 is folded at the connecting means 47 so as to be folded together for each of the three sound absorbing members 45, and the length thereof is reduced to about 1/3 of that when stretched. .
[0032]
The open / close silencer 40 can be installed so as to overhang a space that is used only when equipment is stopped for inspection or the like, and the size and cost of the building can be reduced.
[0033]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Is possible. Note be a direct description and any shape or structure and materials is not described in the drawings, or to achieve the operation and effect of the present invention, Ru der within the scope of the technical idea of the present invention. Folding muffling curtain 41 For example has others of various structures, short can be opened and closed attached to the sound absorbing member on a surface (fold) may be of any structure as long as mute curtain. In addition, in the open / close silencer 40 shown in FIG. 10, the opening 42 is provided in the side surface portion of the silencer curtain 41. Instead, for example, as shown in FIG. An opening 42 may be formed below the lower side of 41 and a duct connecting the opening 42 and the opening 71 provided in the wall 70 may be formed to ventilate and silence the sound. At this time, a silencing curtain 41 is installed in the side opening 42 shown in FIG.
[0034]
【The invention's effect】
As described above in detail, according to the present invention, the space in the building can be effectively used, and the size of the building can be reduced and the construction cost can be reduced. Moreover, the capacity | capacitance can be made small at the time of conveyance of a silencer.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of a folding silencer (single unit) 10. FIG.
FIG. 2 is a perspective view showing a state in which the folding silencer 10 is folded.
FIG. 3 is a front view showing a foldable silencer 10 ′ configured by using a plurality of foldable silencers 10;
FIG. 4 is a perspective view showing a state in which the foldable silencer 10 ′ is folded.
FIG. 5 is a schematic perspective view of a main part showing an example of use in which the folding silencer 10 ′ is used in a pump station.
6 is a diagram showing a state when the folding silencer 10 ′ used in the pump station shown in FIG. 5 is used and when it is folded.
7 is a perspective view showing a folding silencer 30. FIG.
8 is a perspective view showing a method for folding the silencer 30. FIG.
9 is a perspective view showing a method of folding the silencer 30. FIG.
10 is a perspective view showing an open / close silencer 40. FIG.
11 is an enlarged side cross-sectional view of an essential part of the silencing curtain 41 (CC partial cross-sectional enlarged view of FIG. 10).
12 is a perspective view showing the open / close silencer 40 when the silencing curtain 41 is opened. FIG.
13 is an enlarged side cross-sectional view of a main part of the silencer curtain 41 that has been opened. FIG.
FIG. 14 is a perspective view showing another open / close silencer 40 ′ when the silencing curtain 41 is opened.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Folding silencer 11-1, 2, 3, 4 Silencer 13 Bending line 17 Hinge 19 Opening 10 'Folding silencer 10-1, 2, 3, 4 Folding silencer 11-1 16 Silencer plate P Pump 81 Discharge pipe 83 Reducer 85 Motor 87 Air supply duct 89 Opening 91 Carry-in / outway 93 Passage 30 Folding silencer 31-1, Silencer 33, 35 Plate material c, d Folding line 37 Hinge 39 Opening 40 Opening and closing silencer 41 Silencer curtain 42 Opening 43 Sound absorbing plate 45 Sound absorbing member 47 Connecting means 49 (49-1, 2) Support plate 60 Ceiling panel 61 Side plate 70 Wall 71 Opening 73 Sound absorbing member

Claims (5)

In a silencer having a square cylindrical shape, comprising a sound deadening plate having a sound absorbing material and a folding mechanism attached so as to connect each side of the sound deadening plate, and absorbing sound passing through the inside by the sound absorbing material. ,
A pair of opposing folding mechanisms among the folding mechanisms attached to the four sides of the silencer are attached to the outside so that the outer peripheral surface side of the silencer is bent,
The other opposing folding mechanism is attached to the inside so that the side on the inner peripheral surface side of the silencer is bent,
A foldable silencer, wherein the sound deadening plate is folded by folding the side to which the folding mechanism is attached . A plurality of folding silencers according to claim 1 are used, and the assembly is configured to be a rectangular parallelepiped shape as a whole.
A foldable silencer, wherein the sound deadening plate is folded by folding the side to which the folding mechanism is attached. A silencer having a rectangular tube shape and having a structure in which a pair of opposing surfaces are a silencer plate having a sound absorbing material, and the other opposing surface is a plate material so that sound passing through the inside is absorbed by the sound absorbing material. In
A moving means for moving one of the pair of muffler plates toward the other muffler plate side is provided , and one of the muffler plates moved to the other muffler plate side by bending a fold line provided on the plate material folding muffler, characterized by being configured to fold a portion of the plate to the rear side of the muffler plate. It has a silencer curtain that can be freely opened and closed on the rail for opening and closing,
A sound absorbing member is attached to the surface of the silencer curtain,
A side plate that prevents sound leakage from the gap between the opening and closing rail and the silencer curtain is installed on the opening and closing rail.
An open / close silencer characterized in that , when the silencing curtain is stretched along an opening / closing rail, a duct for circulating air is formed inside the silencing curtain to ventilate and silence.   5. The open / close silencer according to claim 4, wherein the silencer curtain is configured by connecting side edges of a plurality of sound absorbing plates having sound absorbing members attached to a surface thereof so as to be bendable.

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