CN103183120B - Volcanic rock noise elimination tile - Google Patents
Volcanic rock noise elimination tile Download PDFInfo
- Publication number
- CN103183120B CN103183120B CN201310081132.7A CN201310081132A CN103183120B CN 103183120 B CN103183120 B CN 103183120B CN 201310081132 A CN201310081132 A CN 201310081132A CN 103183120 B CN103183120 B CN 103183120B
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- pelelith
- natural
- volcanic rock
- noise elimination
- hollow frame
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Abstract
The invention belongs to the technical field of noise elimination, vibration reduction and noise reduction, and relates to a volcanic rock noise elimination tile, in particular to a noise elimination tile made from volcanic rocks and synthetic rubber. The volcanic rock noise elimination tile is composed of a natural volcanic rock hollow frame, multiple natural volcanic rock cones arranged in the natural volcanic rock hollow frame, and a synthetic rubber block for vulcanization and package of an assembled and combined body of the natural volcanic rock hollow frame and the multiple natural volcanic rock cones, wherein outer walls of both the upper surface board and the lower surface board of the natural volcanic rock hollow frame have certain radian; holes of the selected volcanic rocks are formed naturally in a non-uniform manner; the radian of the volcanic rock noise elimination tile is consistent with that of the surface of an underwater moving body; after packaged by the synthetic rubber, the volcanic rock hollow frame and the volcanic rock cones form the noise elimination tile together. The volcanic rock noise elimination tile can absorb sound waves of active sonar, remarkably reduce reflection strength of sound waves of the active sonar, suppress vibration generated by the underwater moving body itself, prevent machine noise inside the underwater moving body from radiating to the underwater moving body.
Description
Technical field
The present invention relates to a kind of Volcanic rock noise elimination tile and preparation method, especially with disappearing that pelelith and synthetic rubber are made
Sound watt, belongs to Amortization ＆＆ Damping and noise reduction technology field.
Background technology
When underwater moving body moves under water, due to bulky and its structure is rendered as cylindric rigid body, therefore right
The active sonar detectable signal of enemy has stronger reflection, that is, target strength high it is easy to be detected by unfriendly target, no
Disguise beneficial to one's own side and security.
In addition, when underwater moving body moves under water, because the rotation of spiral fall, the of reciprocating vibration and fluid of machinery are transported
Dynamic, often produce stronger radiated noise.If the radiated noise level of underwater moving body higher it is easy to by enemy's passive sonar
Detect, be unfavorable for one's own side's disguise and security；The self noise of underwater moving body itself is too high simultaneously, also can have a strong impact on certainly
The detection operating distance of body sonar.
For solve the problems, such as underwater moving body noise elimination it is common practice that under water movable body surface lay one layer of sound eliminating tile.
Sound eliminating tile is a kind of a kind of measure fairly obvious to underwater moving body noise reduction, is also that a kind of the most effective at present reduction is dived
The method of ship noise, sound eliminating tile can be effectively reduced the reflected intensity of the active sonar detectable signal of enemy.Each prosperity at present
New conventional submarine and nuclear submarine that country is equipped, are substantially all the sound eliminating tile employing multi-form.
But existing sound eliminating tile technology, also exist in terms of reducing radiated noise and the self noise of underwater moving body many not
Foot, e.g., the effect of suppression underwater moving body itself vibration and isolation motion artifacts radiation is not ideal enough, particularly to low-frequency sound wave
Assimilation effect difference effect, underwater moving body itself sonar working environment and detection range need to improve.
Content of the invention
It is an object of the invention to provide a kind of Volcanic rock noise elimination tile, it absorbs active sonar sound wave, reduces sound wave reflection by force
While degree, minimizing active sonar detection range, the characteristic having by using pelelith itself, lowers underwater moving body certainly
The vibration that body produces, in isolation sub-aqua sport body, each vibration source passes through underwater radiation noise produced by hull, is reducing body
While noise, improve the condition of work of underwater moving body sonar, effectively improve the detection range of underwater moving body sonar.
The technical scheme of Volcanic rock noise elimination tile of the present invention is：Volcanic rock noise elimination tile is by a natural pelelith hollow frame
（4）, several be placed on natural pelelith hollow frame（4）In natural pelelith cone（5）And be used for natural pelelith
Hollow frame（4）With several natural pelelith cones（5）Splice and combine the synthetic rubber block of body sulfuration encapsulation（3）Constitute, sky
So square hollow frame of pelelith（4）Upper surface panel outer wall and lower face plate outer wall all have certain radian, and natural pelelith is empty
Heart framework（4）Upper surface panel on have several through holes（7）, natural pelelith cone（5）Bottom-up be placed into through hole
（7）Interior, natural pelelith cone（5）Cone bottom and natural pelelith hollow frame（4）Upper surface panel outer wall mutually keep
Concordantly smooth, natural pelelith cone（5）Cone top part place down, with natural pelelith hollow frame（4）Lower surface
Plate contact internal walls, synthetic rubber block（3）Several natural pelelith cones will be placed with（5）Natural pelelith hollow frame
（4）Overall sulfuration encapsulation, forms a Volcanic rock noise elimination tile.
Hole in described natural pelelith is the hole of self-assembling formation, and hole size forms in NATURAL DISTRIBUTION and is inequality
Even shape, porosity is in 20-96% scope.
Described natural pelelith hollow frame（4）Directly natural pelelith machine cuts one-shot forming can be adopted, or
Natural pelelith is cut into after four pieces of square plates and is mutually spliced to form, or natural pelelith is cut into two pieces of L shaped plates
Mutually it is spliced.
Natural pelelith cone（5）But cone shape or wedge absorber（8）Shape.
Selected natural pelelith is Great Britain black aperture pelelith, Great Britain black mesopore pelelith, Mayan black aperture volcano
One or more of stone, Athens ash mesopore pelelith, Rome ash micropore pelelith or Ou Shang ash macropore pelelith.
Described natural pelelith spy preferably originates in the pelelith of Yunnan Province Tengchong County.
In the hole having or not regular size and shape in described synthetic rubber 3.
Conventional sound eliminating tile principle of noise reduction is to produce impedance matching between movable body and seawater under water, enables sound wave incoming
In sound eliminating tile, by the damping action of sound eliminating tile material and the effect of watt internal cavity or filler, the waveform of sound wave is made to occur
Conversion, so that sound wave weakens or is absorbed completely.
Operation principle of the present invention：Damping according to the tiny micropore in right pelelith hollow frame 4 and synthetic rubber 3 is made
With, and the cavity effect formed in the right pelelith hollow frame of cone shape, the sound wave effect sending when active sonar
When Volcanic rock noise elimination tile of the present invention, the tiny micropore in right pelelith hollow frame 4 and synthetic rubber 3 and pelelith cone
5 cavitys being formed can make the waveform of high frequency sound wave and low-frequency sound wave change formation shearing wave, and shearing wave is substantial amounts of
In tiny micropore, its heat consumption is fallen, so that sound wave weakens or absorbed completely, detection side's Active Acoustic can be significantly reduced
Receive the reflected intensity of sound wave, and then the operating distance of detection side's active sonar can be reduced.When shaking that underwater moving body itself produces
Move and underwater moving body inner machine noise contributions are when Volcanic rock noise elimination tile of the present invention, same principle, pelelith can significantly drop
The radiated noise of low underwater moving body and self noise, and then the detection range of detection side's passive sonar can be reduced.
It is an object of the invention to provide a kind of can reduce the target strength of underwater moving body, reduce its radiated noise and oneself
Noise, is not detected by unfriendly target with reducing underwater moving body, to thus ensureing disguise and the security of one's own side.
Present invention has the advantages that:
1. the Volcanic rock noise elimination tile being made with pelelith for cardinal principle, absorbs the sound wave of active sonar, reduces or disappears
Reflected intensity except the sound wave of active sonar；
2. the sound wave especially to the active sonar of low-frequency range with the cavity that formed between coniform pelelith, has stronger
Assimilation effect, can significantly reduce or eliminate the reflected intensity of the sound wave of active sonar；
3. the Volcanic rock noise elimination tile being made with pelelith, can effectively suppress the vibration that underwater moving body itself produces, isolation
The noise that underwater moving body inner machine noise is radiated in water by hull, reduces underwater moving body self noise；
4. selected pelelith this as light material, the Volcanic rock noise elimination tile after sulfuration encapsulation is positive buoyancy or zero floating
Power, does not increase the gross weight of underwater moving body；
5. do not use porous metal material to can reach same Amortization ＆＆ Damping and noise reduction, can save substantial amounts of coloured
Metals resources；
6. provide foundation for hidden-type, the design of the underwater moving body of calm type.
Brief description
With reference to the accompanying drawing of the present invention, further describe its specific embodiment.
Fig. 1 is the use state schematic diagram that Volcanic rock noise elimination tile of the present invention is arranged on submarine outer surface.
Fig. 2 is Volcanic rock noise elimination tile of the present invention（2）Structural representation.
Fig. 3 is hollow frame of the present invention（4）Top view.
Fig. 4 is Volcanic rock noise elimination tile shown in Fig. 2（2）B-B cut open in direction after side view.
Fig. 5 is the single cone of the present invention（5）Structural representation.
Fig. 6 is the single wedge absorber of the present invention（8）Structural representation.
The each label of in figure represents successively：1- underwater moving body, 2- Volcanic rock noise elimination tile, 3- synthetic rubber, the natural volcano of 4-
Stone hollow frame, 5- natural pelelith cone, 6- cavity；7 through holes；8 wedge absorbers.
Specific embodiment
Volcanic rock noise elimination tile is by several natural pelelith cones 5, the natural pelelith with certain radian and thickness is empty
Heart framework 4 and their mutually assembled sulfurations are encapsulated as an integrally-built synthetic rubber block 3 form.Pelelith is divided into circular cone
Shape structure or wedge absorber 8 structure.The radian that Volcanic rock noise elimination tile monnolithic case has and underwater moving body 1 surface radian phase
Unanimously（The radian of Volcanic rock noise elimination tile determines according to underwater moving body surface radian）.
Described pelelith, the pelelith that elite Yunnan Province is produced Tengchong County, its porosity be 82-96%, thickness be 20～
30mm, the integral thickness of sound eliminating tile is 40～60mm, and length-width ratio is 100:90～75.
Described synthetic rubber block contains the hole of various different sizes and shape（Natural foaming is formed, random hole
Hole）, thickness is 40～60mm.Sulfuration encapsulation is using conventional sulfuration encapsulation technology.
The production method of natural pelelith hollow frame 4 can be：Initially with machine cuts mode by natural pelelith
Processing is in hollow frame 4, natural pelelith wedge absorber or coniform, each hollow frame 4 upper surface panel outer wall and following table
Panel outer wall all has certain radian,
The mode that pelelith is fabricated into hollow frame 4 has：
1）Hollow frame 4 can be by one block of rectangle plate pelelith with opening, one piece of rectangular slab not having an opening
After block pelelith and two blocks of square plate peleliths pass through tenon or dovetail groove mutually splices, composition one is in length direction tool
There is the rectangular hollow frame of certain radian；Or
2）Hollow frame 4 can be by one block of L shaped plate block pelelith with opening, one piece of L shaped plate block volcano not having an opening
Stone passes through the square natural pelelith panel of two block lengths, two blocks of square natural pelelith side plates are mutually spliced to form an entirety；Or
Person
3）Or use machine cuts mould, each cutting one knife inside and outside natural pelelith, directly make a hollow frame
（4）It is overall,
At the edge of every block length square panel pelelith, square side plate pelelith or L shaped plate block pelelith, have in advance
For being connected with each other tenon or dovetail groove, connect for mutual splicing,
Several through holes 7, natural pelelith is had in the upper surface panel of the one of pelelith of natural pelelith hollow frame 4
The bottom-up of cone 5 is placed in through hole 7, cone bottom and the natural pelelith hollow frame 4 of natural pelelith cone 5
Upper surface panel outer wall mutually keeps concordantly smooth, and the cone top part of natural pelelith cone 5 is placed down, empty with natural pelelith
The lower face plate contact internal walls of heart framework 4, synthetic rubber block 3 will be placed with the natural volcano of several natural peleliths coniform 5
The overall sulfuration encapsulation of stone hollow frame 4, forms the radian sound eliminating tile consistent with submarine outer surface.
Coniform pelelith or multiple wedge absorber are inserted at opening, the cone bottom of coniform pelelith major diameter
Panel surface at portion and opening is smooth/and homogeneous causes, and the cone tip part of coniform pelelith down, is placed on rectangular hollow frame
On lower rectangular plate inwall；
Pass through sulphur with synthetic rubber 3 by loading onto the rectangular hollow frame stated equipped with pelelith coniform 5 or wedge absorber 8
Change envelope mode to close, ultimately form the rectangle Volcanic rock noise elimination tile that an outer surface has radian.
Embodiment 1：For the Volcanic rock noise elimination tile of submarine, hollow by the natural pelelith with certain radian and thickness
Framework 4, polylith natural pelelith cone 5 and it is vulcanized be encapsulated as an integrally-built synthetic rubber 3 and form.Natural fire
Mountain stone hollow frame 4 is the bulk natural pelelith hollow frame structure with certain radian.The porosity choosing of natural pelelith
With 82%, the hole in natural pelelith is self-assembling formation, is in uneven shape, and aperture can be 0.5 mm to 10mm, and thickness is
20mm；Synthetic rubber 3 has or not the hole of regular size and shape；Pelelith hollow frame 4 length-width ratio is 100：50 hollow brick
Shape, the radian of two pieces of outer surfaces up and down of pelelith hollow frame 4 is consistent with submarine outer surface radian, through synthetic rubber 3 envelope
It is collectively forming the Volcanic rock noise elimination tile that integral thickness is 80mm after dress.
Volcanic rock noise elimination tile of the present invention is the shape according to submarine, chooses suitable pelelith machine cuts making and has
The length-width ratio of certain radian and thickness is 100：50 hollow bricked；Multiple coniform peleliths are assembled and is placed into hollow bricked
On pelelith, the bottom of natural coniform pelelith fill upward, top（Cone tip part）Down, with synthetic rubber using sulfuration encapsulation
Mode encapsulates, and the radian that the profile of every piece of Volcanic rock noise elimination tile has is consistent with submarine outer surface.According still further to Sound absorption design
Need, in the different position in submarine hull surface, be laid in its surface of shell with epoxy resin.
Embodiment 2：For the Volcanic rock noise elimination tile of submarine, by the square pelelith of two block lengths with certain radian and thickness
Plate, two plates square mountain slabstone, six peleliths coniform 5 and it is vulcanized be encapsulated as 3 groups of an integrally-built synthetic rubber
Become.Volcanic rock noise elimination tile is the block structure with certain radian.The porosity of pelelith be 96%, thereon hole self-assembling formation,
In uneven shape, aperture can be 0.2 mm to 5mm, and thickness is 15mm；Synthetic rubber has or not the hole of regular size and shape；Fire
Mountain stone length-width ratio is 100：50 hollow bricked, its radian is consistent with submarine outer surface radian, after synthesis rubber packaging
It is collectively forming the Volcanic rock noise elimination tile that integral thickness is 70mm.
Volcanic rock noise elimination tile 2 of the present invention is the shape according to submarine, chooses suitable pelelith and makes and have certain arc
The length-width ratio of degree and thickness is 100：50 hollow bricked；Coniform for polylith pelelith is placed the volcano being assemblied in hollow frame
Shi Shang, the bottom of pelelith cone fills upward, top down, and sulfuration is packaged in synthetic rubber, is formed outside radian and submarine
The consistent Volcanic rock noise elimination tile in surface.According still further to the needs of Sound absorption design, in the different position in submarine hull surface, use epoxy
Resin is laid in its surface of shell.
Embodiment 3：For the Volcanic rock noise elimination tile of torpedo, by pelelith 4, the polylith circular cone with certain radian and thickness
Shape pelelith 5 and it is vulcanized be encapsulated as an integrally-built synthetic rubber 3 and form.Volcanic rock noise elimination tile is with certain arc
The block structure of degree.The porosity of pelelith is 96%, and hole thereon is self-assembling formation, is in uneven shape, and its aperture can be
0.2 mm to 2mm, thickness is 5mm；Synthetic rubber 3 has or not the hole of regular size and shape；Volcanic rock noise elimination tile length-width ratio is
100：50 hollow brick shape, its radian is consistent with torpedo outer surface radian, is collectively forming whole after synthesis rubber packaging
Body thickness is the Volcanic rock noise elimination tile of 28mm.
This sound eliminating tile is the shape according to torpedo, chooses suitable pelelith and makes the length with certain radian and thickness
Wide ratio is 100：50 hollow frame；Natural for polylith pelelith cone 5 is placed and is assemblied in natural pelelith hollow frame 4
On through hole 7, the bottom of pelelith cone fills upward, top down, and sulfuration is packaged in synthetic rubber 3, forms radian and dives
The consistent Volcanic rock noise elimination tile of ship outer surface.According still further to the needs of Sound absorption design, in the different position in torpedo shell surface, use
Epoxy resin is laid in its surface of shell.
The sound eliminating tile that therefore this pelelith is made both can significantly reduce the reflected intensity of the sound wave of detection side's active sonar,
Reduce the operating distance of detection side's active sonar, also can suppress the vibration that underwater moving body itself produces, isolate underwater moving body
Inner machine noise radiates to underwater moving body, significantly reduces underwater moving body self noise, reduces detection side's passive sonar and makees
Purpose with distance.
Claims (5)
1. a kind of Volcanic rock noise elimination tile it is characterised in that：Volcanic rock noise elimination tile is by a natural pelelith hollow frame（4）, number
Individual it is placed on natural pelelith hollow frame（4）In natural pelelith cone（5）And be used for natural pelelith hollow frame
Body（4）With several natural pelelith cones（5）Splice and combine the synthetic rubber block of body sulfuration encapsulation（3）Constitute, natural volcano
Stone hollow frame（4）Upper surface panel outer wall and lower face plate outer wall all have certain radian, natural pelelith hollow frame（4）'s
Several through holes are had on upper surface panel（7）, natural pelelith cone（5）Bottom-up be placed into through hole（7）Interior, natural fire
Mountain stone cone（5）Cone bottom and natural pelelith hollow frame（4）Upper surface panel outer wall mutually keep concordantly smooth, natural
Pelelith cone（5）Cone top part place down, with natural pelelith hollow frame（4）Lower face plate contact internal walls, close
Become block rubber（3）Several natural pelelith cones will be placed with（5）Natural pelelith hollow frame（4）Overall sulfuration envelope
Dress, forms a Volcanic rock noise elimination tile；
Hole in described natural pelelith is the hole of self-assembling formation, and hole size forms in NATURAL DISTRIBUTION and is uneven
Shape, porosity is in 20-96% scope；
Described natural pelelith is the pelelith originating in Yunnan Province Tengchong County.
2. Volcanic rock noise elimination tile according to claim 1 it is characterised in that：Described natural pelelith hollow frame（4）
Directly natural pelelith machine cuts one-shot forming can be adopted, or natural pelelith is cut into after four pieces of square plates mutually
It is spliced to form, or natural pelelith is cut into two pieces of L shaped plates and be mutually spliced.
3. Volcanic rock noise elimination tile according to claim 1 and 2 it is characterised in that：Natural pelelith cone（5）But circle
Cone shape or wedge absorber（8）Shape.
4. Volcanic rock noise elimination tile according to claim 1 and 2 it is characterised in that：Selected natural pelelith is Great Britain
Black aperture pelelith, Great Britain black mesopore pelelith, Mayan black aperture pelelith, Athens ash mesopore pelelith, Rome ash micropore fire
One or more of mountain stone or Ou Shang ash macropore pelelith.
5. Volcanic rock noise elimination tile according to claim 1 it is characterised in that：Described synthetic rubber block（3）In random
The hole of size and shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081132.7A CN103183120B (en) | 2013-03-14 | 2013-03-14 | Volcanic rock noise elimination tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310081132.7A CN103183120B (en) | 2013-03-14 | 2013-03-14 | Volcanic rock noise elimination tile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103183120A CN103183120A (en) | 2013-07-03 |
| CN103183120B true CN103183120B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310081132.7A Expired - Fee Related CN103183120B (en) | 2013-03-14 | 2013-03-14 | Volcanic rock noise elimination tile |
Country Status (1)
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| CN (1) | CN103183120B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104015900A (en) * | 2014-06-19 | 2014-09-03 | 上海瑞义聚氨酯科技有限公司 | Design and manufacture method of arch-shaped anechoic tile |
| CN108725688A (en) * | 2017-04-25 | 2018-11-02 | 深圳光启尖端技术有限责任公司 | The laying method and its device of Meta Materials |
| CN114278334B (en) * | 2021-11-15 | 2024-03-26 | 四川纵横交安科技有限公司 | Tunnel silencing and noise reducing system and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927819A (en) * | 2010-07-30 | 2010-12-29 | 昆明理工大学 | Anechoic tile prepared from rare-earth super-magnetic flexible material |
| CN102259698A (en) * | 2011-07-21 | 2011-11-30 | 昆明理工大学 | Anechoic tile based on composite material |
| CN202248342U (en) * | 2011-09-07 | 2012-05-30 | 南京常荣噪声控制环保工程有限公司 | Ultra-microporous sound absorber |
| CN102606269A (en) * | 2012-04-16 | 2012-07-25 | 陈尔斌 | Impedance composite muffler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008191439A (en) * | 2007-02-06 | 2008-08-21 | Railway Technical Res Inst | Noise and vibration-reducing system and moving object using same |
-
2013
- 2013-03-14 CN CN201310081132.7A patent/CN103183120B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927819A (en) * | 2010-07-30 | 2010-12-29 | 昆明理工大学 | Anechoic tile prepared from rare-earth super-magnetic flexible material |
| CN102259698A (en) * | 2011-07-21 | 2011-11-30 | 昆明理工大学 | Anechoic tile based on composite material |
| CN202248342U (en) * | 2011-09-07 | 2012-05-30 | 南京常荣噪声控制环保工程有限公司 | Ultra-microporous sound absorber |
| CN102606269A (en) * | 2012-04-16 | 2012-07-25 | 陈尔斌 | Impedance composite muffler |
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| CN103183120A (en) | 2013-07-03 |
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