CN213296755U - Modular low-wind-resistance silencing wall - Google Patents
Modular low-wind-resistance silencing wall Download PDFInfo
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- CN213296755U CN213296755U CN202021975395.4U CN202021975395U CN213296755U CN 213296755 U CN213296755 U CN 213296755U CN 202021975395 U CN202021975395 U CN 202021975395U CN 213296755 U CN213296755 U CN 213296755U
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Abstract
The utility model discloses a modular low-wind-resistance silencing wall, which comprises a wall plate and a silencing plate, wherein the wall plate is provided with a ventilation hole for air flow to pass through; the silencing plate comprises a first plate section, a second plate section and a third plate section, wherein a second end of the first plate section is fixedly connected with a first end of the second plate section, an included angle alpha between the first plate section and the second plate section is larger than 0 degree and smaller than 90 degrees, a second end of the second plate section is fixedly connected with a first end of the third plate section, and an included angle beta between the second plate section and the third plate section is larger than 0 degree and smaller than 90 degrees; a plurality of sound-absorbing plates are arranged between the two wallboards, the first end of the first plate section and the second end of the third plate section are respectively and fixedly connected with one wallboard, and a ventilation channel for air flow to pass through is arranged between the two adjacent sound-absorbing plates; the projections of the ventilation holes on the silencing plate, which are positioned on two sides of the ventilation channel, are in the surface of the silencing plate. The utility model discloses utilize ventilation hole and ventiduct to solve the problem of wall body both sides gas circulation, can also block or reduce the propagation of sound simultaneously.
Description
Technical Field
The utility model relates to an amortization technical field. In particular to a modular low-wind-resistance sound attenuation wall.
Background
To avoid noise from passing from one side of the wall to the other, sound deadening materials or elements are often added to the wall. Although the addition of sound deadening materials or members to a wall can block or reduce sound transmission, the resulting gas flow does not flow from one side of the wall to the other side of the wall, which impedes gas flow.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that a low windage amortization wall of modularization is provided, utilizes ventilation hole and ventiduct to solve the problem of wall body both sides gas circulation, can also block or reduce the propagation of sound simultaneously.
In order to solve the technical problem, the utility model provides a following technical scheme:
a modular low-wind-resistance silencing wall comprises a wall plate and a silencing plate, wherein the wall plate is provided with a vent hole for airflow to pass through; the sound-absorbing plate comprises a first plate section, a second plate section and a third plate section, wherein a second end of the first plate section is fixedly connected with a first end of the second plate section, an included angle alpha between the first plate section and the second plate section is larger than 0 degree and smaller than 90 degrees, a second end of the second plate section is fixedly connected with a first end of the third plate section, and an included angle beta between the second plate section and the third plate section is larger than 0 degree and smaller than 90 degrees; a plurality of the sound-absorbing plates are arranged between the two wallboards, the first end of the first plate section and the second end of the third plate section are respectively and fixedly connected with one wallboard, and a ventilation channel for air flow to pass through is arranged between every two adjacent sound-absorbing plates; the projections of the ventilation holes on the silencing plate, which are positioned on two sides of the ventilation channel, are in the surface of the silencing plate.
The modular low-wind-resistance silencing wall is characterized in that the length d of the first plate section1And the length d of the second plate section2The ratio of the ratio is 0.1 to 0.5.
In the above modular low-wind-resistance silencing wall, the length d of the third plate segment3And the length d of the second plate section2The ratio of the ratio is 0.1 to 0.5.
According to the modular low-wind-resistance silencing wall, the two first plate sections are parallel to each other on the two adjacent silencing plates.
According to the modular low-wind-resistance silencing wall, the two second plate sections are parallel to each other on the two adjacent silencing plates.
According to the modular low-wind-resistance silencing wall, two third plate sections are parallel to each other on two adjacent silencing plates.
In the above modular low-wind-resistance sound-deadening wall, the included angle α between the first plate section and the second plate section is greater than or equal to 20 ° and less than or equal to 70 °.
In the above modular low-wind-resistance sound-deadening wall, an included angle β between the second plate section and the third plate section is greater than or equal to 20 ° and less than or equal to 70 °.
In the above modular low-wind-resistance silencing wall, the size of the included angle between the first plate section and the third plate section is equal to the sum of the sizes of alpha and beta.
The technical scheme of the utility model following profitable technological effect has been obtained:
1. utilize the sound wave to propagate with the mode of longitudinal wave in the air, set up amortization material on the sound wave is followed straight line propagation path and inhale the sound and handle, do not block the flow of air simultaneously, but also can utilize the amortization material to absorb with the vibrations that the nearer wallboard of sound source produced, thereby realized the low windage amortization, reduce or block the propagation of sound when guaranteeing the circulation of air promptly, thereby avoided the transmission or the afferent of noise on the basis of guaranteeing the circulation of air.
2. The folded plate-shaped sound-absorbing plate formed by the first plate section, the second plate section and the third plate section can eliminate sound waves generated when air flow passes through the ventilation holes and the ventilation channel, so that new sound can not be generated on the basis of ensuring air circulation and sound absorption.
Drawings
FIG. 1 is a schematic structural view of a modular low-wind-resistance noise reduction wall of the present invention;
FIG. 2 is a schematic structural view of a wall panel of the modular low-wind-resistance sound-deadening wall of the present invention;
FIG. 3 is a schematic structural view of the sound-absorbing plate of the modular low-wind-resistance sound-absorbing wall of the present invention;
fig. 4 is another schematic structural diagram of the modular low-wind-resistance silencing wall of the present invention.
The reference numbers in the figures denote: 1-wallboard; 2-silencing board, 2-1-first board section, 2-2-second board section, 2-3-third board section; 3-air vent.
Detailed Description
Example 1
In the embodiment, as shown in fig. 1 to 3, the modular low-wind-resistance noise reduction wall of the present invention includes a wall plate 1 and a noise reduction plate 2, wherein the wall plate 1 is provided with a vent hole 3 for air flow to pass through; the sound attenuation plate 2 comprises a first plate section 2-1, a second plate section 2-2 and a third plate section 2-3, wherein a second end of the first plate section 2-1 is fixedly connected with a first end of the second plate section 2-2, an included angle alpha between the first plate section 2-1 and the second plate section 2-2 is 45 degrees, a second end of the second plate section 2-2 is fixedly connected with a first end of the third plate section 2-3, and an included angle beta between the second plate section 2-2 and the third plate section 2-3 is 45 degrees; a plurality of the sound-absorbing plates 2 are arranged between the two wall plates 1, the first end of the first plate section 2-1 and the second end of the third plate section 2-3 are respectively and fixedly connected with one wall plate 1, and a ventilation channel for air flow to pass through is arranged between two adjacent sound-absorbing plates 2; the projections of the ventilation holes 3 positioned on the two sides of the ventilation channel on the sound-absorbing plate 2 are all positioned in the plate surface of the sound-absorbing plate 2, namely the ventilation holes positioned on the two sides of the ventilation channel cannot be connected through a straight line.
Wherein the first plate section 2-1 has a length d1Is 50mm, and the length d of the second plate section 2-22Is 100mm, and the length d of the third plate section is 2-33Is 50mm, and on two adjacent sound-absorbing boards 2, two first board segments 2-1 are parallel, two second board segments 2-2 are parallel, two third board segments 2-3 are parallel, and the included angle between the first board segment 2-1 and the third board segment 2-3 is equal to the sum of the sizes of alpha and beta, i.e. the first end of the first board segment 2-1 and the second end of the third board segment 2-3 are respectively positioned on two sides of the second board segment 2-2, as shown in fig. 3.
Example 2
The modular low-wind-resistance noise reduction wall in the embodiment is different from the modular low-wind-resistance noise reduction wall in the embodiment 1 in that: in the modular low-wind-resistance sound-deadening wall in the present embodiment, the first plate section 2-1 and the second plate section 2-2 are perpendicular to the wall plate 1, respectively, whereas in the modular low-wind-resistance sound-deadening wall in embodiment 1, the included angles between the first plate section 2-1 and the second plate section 2-2 and the wall plate 1 are acute angles, respectively.
Compared with the modularized low-wind-resistance silencing wall in the embodiment 1, the modularized low-wind-resistance silencing wall has the advantages that the silencing plate 2 has smaller resistance to airflow in the direction perpendicular to the flowing direction of the wallboard 1, air circulation is facilitated, but the silencing effect is poorer, and the modularized low-wind-resistance silencing wall is suitable for being used in places with low requirements on sound effects and high requirements on air circulation effects.
The utility model discloses in the low windage amortization wall of modularization, wallboard 1 can adopt hard materials such as stereoplasm aluminum alloy, stainless steel to make, acoustical panel 2 can adopt cement foaming, the polyurethane foaming, and rock wool etc. makes. The modular low-wind-resistance noise reduction walls with different sizes can be manufactured by using the materials, and then the modular low-wind-resistance noise reduction walls with different sizes are selected according to the area of the wall body for assembly.
In a factory building equipped with the modular low-wind-resistance sound-deadening wall of the present invention, noise generated in the factory building vibrates solid and air in the process of propagating outward, wherein sound waves propagate in the air in the form of longitudinal waves, that is, linearly propagate in the medium in the form of longitudinal waves, and when the sound waves are transmitted to the upper periphery of the wall panel 1, the wall panel 1 vibrates, and the vibration generated by the wall panel 1 is absorbed by the sound-deadening plate 2, so that the sound propagated through the wall panel 1 is blocked or weakened, and when the sound waves propagated through the air are propagated along the ventilation hole 3 and the ventilation duct, since the ventilation duct is in the zigzag shape in the thickness direction of the modular low-wind-resistance sound-deadening wall, the sound waves impinge on the sound-deadening plate 2, and even if the sound waves are diffused, most of the sound waves impinge on the sound-deadening plate 2 and are absorbed by the sound-deadening plate 2, so that airborne sound is blocked or attenuated. Meanwhile, the flow of the air is not greatly limited, so that the air circulation can be ensured while the noise transmission is hindered.
And the fold line-shaped silencing plate 2 can also avoid low-frequency noise generated when air flow with higher speed passes through the air duct. The noise reduction plate 2 can avoid low-frequency noise generated when air flow with high flow velocity passes through the ventilation duct, and the noise reduction plate 2 is made of materials and has noise reduction capacity.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (9)
1. A modular low-wind-resistance silencing wall is characterized by comprising a wall plate (1) and a silencing plate (2), wherein a ventilation hole (3) for airflow to pass through is formed in the wall plate (1); the sound attenuation plate (2) comprises a first plate section (2-1), a second plate section (2-2) and a third plate section (2-3), the second end of the first plate section (2-1) is fixedly connected with the first end of the second plate section (2-2), an included angle alpha between the first plate section (2-1) and the second plate section (2-2) is larger than 0 degree and smaller than 90 degrees, the second end of the second plate section (2-2) is fixedly connected with the first end of the third plate section (2-3), and an included angle beta between the second plate section (2-2) and the third plate section (2-3) is larger than 0 degree and smaller than 90 degrees; a plurality of sound-absorbing plates (2) are arranged between the two wall plates (1), the first end of the first plate section (2-1) and the second end of the third plate section (2-3) are respectively fixedly connected with one wall plate (1), and a ventilation channel for air flow to pass through is arranged between every two adjacent sound-absorbing plates (2); the projections of the ventilation holes (3) positioned at two sides of the ventilation channel on the sound-absorbing plate (2) are in the plate surface of the sound-absorbing plate (2).
2. The modular low wind system of claim 1The sound-damping wall is characterized in that the length d of the first plate section (2-1)1And the length d of the second plate section (2-2)2The ratio of the ratio is 0.1 to 0.5.
3. The modular low-wind-resistance sound attenuation wall according to claim 1, characterized in that the third plate section (2-3) has a length d3And the length d of the second plate section (2-2)2The ratio of the ratio is 0.1 to 0.5.
4. The modular low-wind-resistance sound-deadening wall according to claim 1, wherein two of the first plate sections (2-1) are parallel to each other on two adjacent sound-deadening plates (2).
5. The modular low-wind-resistance sound-deadening wall according to claim 1, wherein two of the second plate sections (2-2) are parallel to each other on two adjacent sound-deadening plates (2).
6. The modular low-wind-resistance sound-deadening wall according to claim 1, wherein two of said third plate sections (2-3) are parallel to each other on two adjacent sound-deadening plates (2).
7. The modular low-wind-resistance sound attenuation wall according to any one of claims 1 to 6, wherein the included angle α between the first plate section (2-1) and the second plate section (2-2) is greater than or equal to 20 ° and less than or equal to 70 °.
8. The modular low-wind-resistance sound attenuation wall according to any one of claims 1 to 6, wherein the included angle β between the second plate section (2-2) and the third plate section (2-3) is greater than or equal to 20 ° and less than or equal to 70 °.
9. The modular low-wind-resistance sound attenuation wall according to any one of claims 1 to 6, characterized in that the size of the included angle between the first plate section (2-1) and the third plate section (2-3) is equal to the sum of the sizes of α and β.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021975395.4U CN213296755U (en) | 2020-09-10 | 2020-09-10 | Modular low-wind-resistance silencing wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021975395.4U CN213296755U (en) | 2020-09-10 | 2020-09-10 | Modular low-wind-resistance silencing wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213296755U true CN213296755U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021975395.4U Active CN213296755U (en) | 2020-09-10 | 2020-09-10 | Modular low-wind-resistance silencing wall |
Country Status (1)
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|---|---|
| CN (1) | CN213296755U (en) |
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- 2020-09-10 CN CN202021975395.4U patent/CN213296755U/en active Active
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