CN207673627U - The tunnel silencer of hexahedron matrix form arrangement - Google Patents
The tunnel silencer of hexahedron matrix form arrangement Download PDFInfo
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- CN207673627U CN207673627U CN201721812908.8U CN201721812908U CN207673627U CN 207673627 U CN207673627 U CN 207673627U CN 201721812908 U CN201721812908 U CN 201721812908U CN 207673627 U CN207673627 U CN 207673627U
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Abstract
The utility model provides a kind of tunnel silencer of hexahedron matrix form arrangement, including shell, holder and sound absorber, air-flow circulates in the shell, and the sound absorber is made of six face column tube bodies and the vertex of a cone, and the six faces column tube body is by one piece of microperforated panel continuous bending and surrounds；The both ends of the six faces column tube body are both provided with the vertex of a cone, and the vertex of a cone is encircled into pyramidal structure by a bottom surface of three quadrangles and the six faces column tube body；The axis of the sound absorber is parallel with the direction of the air-flow, several sound absorbers is lined up matrix and composition sound absorption group, several sound absorption groups are arranged in parallel in the shell；The sound absorber is fixed on the bracket by the vertex of a cone, and the both ends connection of the holder is on the housing.The tunnel silencer sound absorption frequency range is wide, and low frequency absorption coefficient is high, is easily installed and safeguards, installation site is flexible, is mountable in horizontal duct, vertical air duct, also can directly be connect with large fan.
Description
Technical field
The utility model is related to noise elimination noise reduction field, more particularly to a kind of tunnel silencer of hexahedron matrix form arrangement.
Background technology
Noise pollution, air pollution and water pollution are listed in three big Environmental Pollution sources together, have become one
Worldwide problem.With advances in technology and industrial expansion, the construction in a large amount of tunnels promote the development of traffic, and then drive
Expanding economy, but noise pollution caused by tunnel also has been to be concerned by more and more people, therefore tunnel silencing means answers
It transports and gives birth to, but disassembly and installation is more troublesome existing tunnel silencing means mostly, the process of installation and removal is also comparatively laborious,
The more wasteful time.
For disadvantages mentioned above existing for tunnel silencer currently on the market, it is badly in need of a kind of excellent noise reduction effect, convenience in transport
With the tunnel silencer of installation.
Utility model content
The purpose of this utility model is to provide a kind of tunnel silencer of hexahedron matrix form arrangement, the tunnel silencers
The frequency range that absorbs sound is wide, and low frequency absorption coefficient is high, is easily installed and safeguards, installation site is flexible, is mountable to horizontal duct, vertical wind
In road, also can directly it be connect with large fan.
To achieve the goals above, the utility model provides the following technical solutions：
A kind of tunnel silencer of hexahedron matrix form arrangement, which is characterized in that including shell, holder and sound absorber, gas
Stream circulates in the shell, wherein
The sound absorber is made of six face column tube bodies and the vertex of a cone, and the six faces column tube body is continuous by one piece of microperforated panel
Bending is simultaneously surrounded；The both ends of the six faces column tube body are both provided with the vertex of a cone, and the vertex of a cone is by three quadrangles
It is encircled into pyramidal structure with a bottom surface of the six faces column tube body；
The side of the two of which intersection of one quadrangle is adjacent among a bottom surface of the six faces column tube body
Two vertex that the pyramid is intersected in the two other of the, quadrangle；
The axis of the sound absorber is parallel with the direction of the air-flow, and several sound absorbers are lined up matrix and composition is inhaled
Sound group, several sound absorption groups are arranged in parallel in the shell；
The sound absorber is fixed on the bracket by the vertex of a cone, and the both ends of the holder are connected to the shell
On.
Further, in the tunnel silencer of upper hexahedron matrix form arrangement is stated, the microperforated panel is rectangular configuration,
One piece of microperforated panel continuous bending is encircled into regular hexagonal prism, and the bottom surface of the regular hexagonal prism is regular hexagon, and described positive six
Form cavity inside prism, the inside cavity fills noise elimination cotton, and the cavity inner wall pastes flame resistant glass cloth, the vertex of a cone by
The bottom surface of three parallelogram and the regular hexagonal prism is encircled into pyramidal structure.
Further, in the tunnel silencer of upper hexahedron matrix form arrangement is stated, if being provided on the microperforated panel
The punching rate in dry hole, a diameter of 3-6mm in the hole, the microperforated panel is 20%-30%.
Further, in the tunnel silencer of upper hexahedron matrix form arrangement is stated, the length H1 of the microperforated panel is
The width of 2000-2500mm, the microperforated panel are 1000-1400mm, and the thickness of the microperforated panel is 0.6-1.5mm.
Further, in the tunnel silencer of upper hexahedron matrix form arrangement is stated, same row two in the sound absorption group
The distance between six face column tube bodies of adjacent sound absorber L1 is 130-200mm.
Further, in the tunnel silencer of upper hexahedron matrix form arrangement is stated, four side of the vertex of a cone is constituted
The material of shape is galvanized steel plain sheet, aluminium alloy or stainless steel.
Further, two rows of adjacent in the sound absorption group in the tunnel silencer of upper hexahedron matrix form arrangement is stated
The distance between the vertex of a cone of sound absorber H2 is 400-600mm.
Further, stated in the tunnel silencer of upper hexahedron matrix form arrangement, adjacent two sound absorption groups it
Between distance L2 be 250-500mm.
Further, in the tunnel silencer of upper hexahedron matrix form arrangement is stated, the quadrangle and the vertex of a cone top
The angle α on two sides of point intersection is 109 ° 28 '.
Further, in the tunnel silencer of upper hexahedron matrix form arrangement is stated, the holder is Steel section member.
Analysis is it is found that the utility model discloses a kind of tunnel silencer of hexahedron matrix form arrangement, the tunnel silencer
Including shell, holder and sound absorber；Sound absorber includes six face column tube bodies and the vertex of a cone, and six face column tube bodies are by one piece of microperforated panel
Continuous bending is connected and is surrounded, and the both ends of six face column tube bodies are both provided with the vertex of a cone；The axis of sound absorber and air-flow
Direction is parallel, several sound absorbers is lined up matrix and composition sound absorption group, several sound absorption groups are arranged in parallel in shell；Sound absorber is logical
It crosses the vertex of a cone to be fixed on holder, holder is Steel section member, and the both ends of holder are connected on shell.
It can be divided into the above sound wave of twice when encountering the vertex of a cone into one of sound wave of air-flow in shell, reduce original sound wave
Frequency, so that sound wave is preferably absorbed, sound wave air-flow vibrates back and forth in the aperture of microperforated panel, carry out noise reduction.
The reduction of sound absorption body length and volume, increases the airflow area of unit cross-sectional area in the tunnel silencer,
The air-flow velocity between sound absorber is reduced, pneumatic noise reduces, and the pressure loss also reduces, to reduce the pressure of system fan,
Reduce the cost of entire ventilating system.
The tunnel silencer of hexahedron matrix form arrangement provided by the utility model, has sound absorption frequency range wide, low frequency absorption
Entire silencer, is resolved into the part of multiple small sound absorbers and mounting bracket by the advantages that coefficient is high, and acoustic efficiency is notable, side
Transport and installation, installation site is flexible, is mountable in horizontal duct, vertical air duct, also can directly with large fan connect
It connects.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
Wherein：
The schematic front view of one embodiment of Fig. 1 the utility model.
The schematic top plan view of one embodiment of Fig. 2 the utility model.
Fig. 3 sound absorber stereoscopic schematic diagrams.
Reference sign：1 shell；2 holders；3 sound absorbers；4 sound absorption groups；5 six face column tube bodies；6 vertex of a cones；7 micropunch
Plate；8 noise elimination cottons；
The length of six face column tube bodies of H1；
The distance between adjacent two rows sound absorber in H2 sound absorption groups；
The distance between the six face column tube bodies of two adjacent sound absorbers of same row in L1 sound absorption groups；
The distance between two sound absorption groups adjacent L2；
The angle on two sides intersected with the vertex of the vertex of a cone in α quadrangles.
Specific implementation mode
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.Each example passes through the utility model
The mode of explanation provide and unrestricted the utility model.In fact, those skilled in the art will be clear that, this reality is not being departed from
In the case of with novel range or spirit, it can modify in the present invention and modification.For example, being illustrated or described as one
The feature of a part for a embodiment can be used for another embodiment, to generate another embodiment.Thus, it may be desirable to
The utility model includes the such modifications and variations being included into the range of the following claims and their equivalents.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model must be with specific azimuth configuration and operation, therefore
It should not be understood as limiting the present invention.The term " connected " that is used in the utility model, " connection ", " setting " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected；It can be directly connected, middle part can also be passed through
Part is indirectly connected；Can be wired electrical connection, radio connection, can also be wireless communication signals connection can also be channel radio
Believe signal connection, for the ordinary skill in the art, can understand that the specific of above-mentioned term contains as the case may be
Justice.
As shown in Figure 1 to Figure 2, embodiment according to the present utility model provides a kind of tunnel of hexahedron matrix form arrangement
Road silencer.The tunnel silencer includes shell 1, holder 2 and sound absorber 3, air-flow circulation in shell 1.Sound absorber 3 includes six
Face column tube body 5 and the vertex of a cone 6, six face column tube bodies 5 are sequentially connected and are surrounded by six pieces of microperforated panels 7；Six face stylostomes
The both ends of body 5 are both provided with the vertex of a cone 6, and the vertex of a cone 6 is encircled into pyramid by a bottom surface of three quadrangles and six face column tube bodies 5
Structure.Two of the intersection of one of quadrangle at two adjacent among a bottom surface for six face column tube bodies 5,
The two other side of quadrangle intersects at the vertex of pyramid (vertex of a cone 6)；Two sides of quadrangle intersected with the vertex of the vertex of a cone 6
Angle α is 109 ° 28 '；The material for constituting the quadrangle of the vertex of a cone 6 is galvanized steel plain sheet, aluminium alloy or stainless steel etc..
The axis of sound absorber 3 is parallel with the direction of air-flow, and several sound absorbers 3 are lined up matrix and composition sound absorption group 4, several
Sound absorption group 4 is arranged in parallel in shell 1；Sound absorber 3 is fixed on by the vertex of a cone 6 on holder 2, and the both ends of holder 2 are connected to shell
On body 1.
After air-flow enters shell 1, the sound wave in air-flow can be divided into the twice above sound wave when encountering the vertex of a cone 6, reduce
The frequency of original sound wave so that sound wave can preferably be absorbed, and sound wave air-flow vibrates back and forth in the aperture of microperforated panel 7, from
And reduce pneumatic noise.
Further, as shown in figure 3, microperforated panel 7 is rectangular configuration, one piece of 7 continuous bending of microperforated panel is encircled into just
The bottom surface of hexagonal prisms, regular hexagonal prism is regular hexagon, cavity is formed inside regular hexagonal prism, inside cavity fills noise elimination cotton 8, cavity
Inner wall pastes flame resistant glass cloth；The setting of silencing cotton 8 increases erasure effect, and pasting flame resistant glass cloth can prevent noise elimination cotton 8 from anticipating
It ignites outside.The vertex of a cone 6 is encircled into pyramidal structure by the bottom surface of three parallelogram and regular hexagonal prism.It is provided on microperforated panel 7
Several holes, the diameter in hole for 3-6mm (such as 3mm, 4mm, 5mm, 6mm), punching rate be 20%-30% (such as 20%,
21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%), length H1 be 2000-2500mm (such as
2000mm, 2100mm, 2200mm, 2300mm, 2400mm, 2500mm), width be 1000-1400mm (such as 1000mm,
1100mm, 1200mm, 1300mm, 1400mm), thickness be 0.6-1.5mm (such as 0.6mm, 0.7mm, 0.8mm, 0.9mm,
1.0mm、1.1mm、1.2mm、1.3mm、1.4mm、1.5mm).Such setting can make the sound absorber of different model have different rule
The microperforated panel 7 of lattice (length, width, thickness, the diameter in hole and punching rate), can according to common noise pollution coverage, ask
The topic exposure frequency, producer's demand frequency, can implementation result, the high low condition selection different model of user demand sound absorber, from
And the spectral performance of silencer is controlled, and so that it is obtained good noise elimination effect in the frequency range of needs, it can also be by not
Sound absorber with model is installed in series and reaches more preferably performance requirement.
Further, the distance between six face column tube bodies 5 of the two adjacent sound absorbers of same row 3 L1 in sound absorption group 4
For 130-200mm (such as 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm, 200mm), phase in sound absorption group 4
(the tops of the vertex of a cone 6 of the lower end of upper row sound absorber 3 in i.e. adjacent two rows sound absorber 3 the distance between adjacent two rows of sound absorber 3 H2
The vertex that point connects the vertex of a cone 6 of into a line, next row sound absorber 3 upper end connects into a line, the distance between two lines) be
400-600mm (such as 400mm, 500mm, 600mm), the distance between two sound absorption groups 4 L2 be 250-500mm (such as
250mm、300mm、350mm、400mm、450mm、500mm).Such setting can reduce gas-flow resistance, increase sound deadening capacity.
Further, holder 2 is Steel section member, and the preferably rhs-structure of metal material, the setting of Steel section member makes to disappear
The intensity that sound device integrally bears interior external pressure increases.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
The tunnel silencer includes shell 1, holder 2 and sound absorber 3；Sound absorber 3 includes six face column tube bodies 5 and the vertex of a cone 6,
Six face column tube bodies 5 are by one piece of 7 continuous bending of microperforated panel and surround, and six face column tube bodies, 5 inside forms cavity, cavity
Inner wall pastes flame resistant glass cloth, and inside cavity fills noise elimination cotton 8.The both ends of six face column tube bodies 5 are both provided with the vertex of a cone 6；It inhales
The axis of sound body 3 is parallel with airflow direction, several sound absorbers 3 is lined up matrix and composition sound absorption group 4, several sound absorption groups 4 are parallel
It is arranged in shell 1；Sound absorber 3 is fixed on by the vertex of a cone 6 on holder 2, and holder 2 is Steel section member, and the both ends of holder 2 connect
On shell 1.
It can be divided into the above sound wave of twice when encountering 6 end face of the vertex of a cone into one of sound wave of air-flow in shell 1, reduce original
There is the frequency of sound wave so that sound wave can preferably be absorbed, and sound wave air-flow vibrates back and forth in the aperture of microperforated panel 7, to
Reduce pneumatic noise.
The tunnel silencer of hexahedron matrix form arrangement provided by the utility model has the following advantages：
1, structure design and effect analysis
Silencer noise reduction provided by the utility model is apparent, and gas-flow resistance is small, and sound deadening capacity is up to 15dB (A)~45dB
(A), it is fixedly connected by Steel section member, the intensity for bearing interior external pressure is big.
2, suitable environment is assessed
Silencer broadband acoustic attenuation performance provided by the utility model protrudes, and is also equipped with moisture-proof, anti-corrosion, high temperature resistant, cleaning
High, sturdy and durable, the handsome in appearance, good appearance of degree, convenient for safeguarding the features such as.
3, analysis is implemented in installation
Silencer loose mail manufacture provided by the utility model, Assembling can flexibly coordinate duct dimension, installation site spirit
It is living, it is mountable in horizontal duct, vertical air duct, also can directly be connected with large fan, overcome civil engineering error；Required parts
Few, installation effectiveness is high；Bascule is set, maintenance and repair is convenient for.
4, the high-quality effect analysis of nonstandard customization
Visual effect is analyzed after providing the installation of this silencer to the user.Superior acoustical behavior, insertion loss is high, and regeneration is made an uproar
Sound is low, and the pressure loss is small.It can be installed in series by different model and reach more preferably performance requirement.
The tunnel silencer of hexahedron matrix form provided by the utility model arrangement can be applied to mine, tunnel, subway and
In the ground such as building tunnel and hypogee ventilating system and heating ventilation air-conditioning system, noise elimination noise reduction engineering and Wind Volume are eliminated the noise
In noise reduction system.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of tunnel silencer of hexahedron matrix form arrangement, which is characterized in that including shell, holder and sound absorber, air-flow
It circulates in the shell, wherein
The sound absorber is made of six face column tube bodies and the vertex of a cone, and the six faces column tube body is by one piece of microperforated panel continuous bending
And it surrounds；The both ends of the six faces column tube body are both provided with the vertex of a cone, and the vertex of a cone is by three quadrangles and institute
A bottom surface for stating six face column tube bodies is encircled into pyramidal structure；
The side of the two of which intersection of one quadrangle be the six faces column tube body a bottom surface among adjacent two
The vertex of the pyramid is intersected in the two other of the, quadrangle；
The axis of the sound absorber is parallel with the direction of the air-flow, and several sound absorbers are lined up matrix and composition absorbs sound
Group, several sound absorption groups are arranged in parallel in the shell；
The sound absorber is fixed on the bracket by the vertex of a cone, and the both ends connection of the holder is on the housing.
2. the tunnel silencer of hexahedron matrix form arrangement according to claim 1, which is characterized in that the microperforated panel
For rectangular configuration, one piece of microperforated panel continuous bending is encircled into regular hexagonal prism, and the bottom surface of the regular hexagonal prism is positive six side
Shape, the regular hexagonal prism inside form cavity, and the inside cavity fills noise elimination cotton, and the cavity inner wall pastes flame resistant glass
Cloth, the vertex of a cone are encircled into pyramidal structure by the bottom surface of three parallelogram and the regular hexagonal prism.
3. the tunnel silencer of hexahedron matrix form arrangement according to claim 1, which is characterized in that the microperforated panel
On be provided with several holes, the punching rate of a diameter of 3-6mm in the hole, the microperforated panel are 20%-30%.
4. the tunnel silencer of hexahedron matrix form arrangement according to claim 1, which is characterized in that the microperforated panel
Length H1 be 2000-2500mm, the width of the microperforated panel is 1000-1400mm, and the thickness of the microperforated panel is
0.6-1.5mm。
5. the tunnel silencer of hexahedron matrix form arrangement according to claim 1, which is characterized in that in the sound absorption group
The distance between six face column tube bodies of the same two adjacent sound absorbers of row L1 is 130-200mm.
6. the tunnel silencer of hexahedron matrix form arrangement according to claim 1, which is characterized in that constitute the vertex of a cone
The quadrangle material be galvanized steel plain sheet, aluminium alloy or stainless steel.
7. the tunnel silencer of hexahedron matrix form arrangement according to claim 1, which is characterized in that in the sound absorption group
The distance between two rows of adjacent vertex of a cones of sound absorber H2 is 400-600mm.
8. the tunnel silencer of hexahedron matrix form arrangement according to claim 1, which is characterized in that two adjacent institutes
It is 250-500mm to state the distance between sound absorption group L2.
9. the tunnel silencer of hexahedron matrix form according to claim 1 arrangement, which is characterized in that the quadrangle with
The angle α on two sides of the vertex of a cone vertex intersection is 109 ° 28 '.
10. the tunnel silencer of hexahedron matrix form according to claim 1 arrangement, which is characterized in that the holder is
Steel section member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812908.8U CN207673627U (en) | 2017-12-21 | 2017-12-21 | The tunnel silencer of hexahedron matrix form arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721812908.8U CN207673627U (en) | 2017-12-21 | 2017-12-21 | The tunnel silencer of hexahedron matrix form arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673627U true CN207673627U (en) | 2018-07-31 |
Family
ID=62970809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721812908.8U Active CN207673627U (en) | 2017-12-21 | 2017-12-21 | The tunnel silencer of hexahedron matrix form arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673627U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903747A (en) * | 2019-03-27 | 2019-06-18 | 广东览讯科技开发有限公司 | A kind of butterfly-like silencer |
| CN112460076A (en) * | 2020-07-13 | 2021-03-09 | 南京静宝声学科技有限公司 | Main exhaust fan array type silencer for large air volume and strong mixed noise |
-
2017
- 2017-12-21 CN CN201721812908.8U patent/CN207673627U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109903747A (en) * | 2019-03-27 | 2019-06-18 | 广东览讯科技开发有限公司 | A kind of butterfly-like silencer |
| CN109903747B (en) * | 2019-03-27 | 2024-02-06 | 广东览讯科技开发有限公司 | Butterfly-shaped muffler |
| CN112460076A (en) * | 2020-07-13 | 2021-03-09 | 南京静宝声学科技有限公司 | Main exhaust fan array type silencer for large air volume and strong mixed noise |
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