CN203172883U - Compound type anechoic tile - Google Patents
Compound type anechoic tile Download PDFInfo
- Publication number
- CN203172883U CN203172883U CN201320115743.4U CN201320115743U CN203172883U CN 203172883 U CN203172883 U CN 203172883U CN 201320115743 U CN201320115743 U CN 201320115743U CN 203172883 U CN203172883 U CN 203172883U
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- natural
- hollow framework
- moving body
- coniform
- porous light
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- 150000001875 compounds Chemical class 0.000 title abstract 4
- 239000007769 metal material Substances 0.000 claims abstract description 34
- 239000011435 rock Substances 0.000 claims description 59
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 20
- 238000005987 sulfurization reaction Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 238000005755 formation reaction Methods 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000005538 encapsulation Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 239000011087 paperboard Substances 0.000 claims description 2
- 229920003051 synthetic elastomer Polymers 0.000 abstract description 7
- 239000005061 synthetic rubber Substances 0.000 abstract description 7
- 238000013016 damping Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 238000004073 vulcanization Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 206010019332 Heat exhaustion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model relates to a compound type anechoic tile, in particular to an anechoic tile made of coniform pelelith, porous light metal materials and synthetic rubber, and belongs to the field of noise eliminating, vibration damping and noise reducing technologies. The compound type anechoic tile is made of a porous light metal material block with certain radian and thickness, the coniform pelelith and a synthetic rubber block packaging the porous light metal material block and the coniform pelelith into an integrated structure in a vulcanization mode. Holes of the selected coniform pelelith are formed naturally and are in an uneven shape. The radian of the porous light metal material block is uniform with the radian of the surface of an underwater moving body. The porous light metal material block and the coniform pelelith jointly form the anechoic tile after packaging of the synthetic rubber block. The compound type anechoic tile can take initiative to absorb sound waves of sonar, obviously reduce reflection strength of sound waves of sonar, restrict vibration produced by the underwater moving body self, insulate noise of machines inside the underwater moving body from radiating toward the underwater moving body, remarkably reduce self noise of the underwater moving body, reduce the function distance of active sonar of the party to be detected, and the like.
Description
Technical field
The utility model relates to a kind of combined type sound eliminating tile, and the sound eliminating tile that the hollow framework of especially making of volcanized rock, porous light metallic material and neoprene are made, belong to Amortization && Damping and noise reduction technology field.
Background technology
When underwater moving body moves under water, because being rendered as cylindric rigid body, bulky and its structure therefore enemy's active sonar detectable signal is existed to stronger reflection, be that target strength is high, be easy to be detected by unfriendly target, be unfavorable for one's own side's disguise and safety.
In addition, when underwater moving body moves under water, double vibrations and the liquid motion of the rotation of falling due to spiral, machinery, tend to produce stronger radiated noise.If the radiated noise level of underwater moving body is higher, be easy to be detected by enemy's passive sonar, also be unfavorable for one's own side's disguise and safety; The self noise of underwater moving body itself is too high, also can have a strong impact on the detection ranging coverage of self sonar.
For solving the noise elimination problem of underwater moving body, common way be exactly under water the movable body surface lay sound eliminating tile.Sound eliminating tile is a kind of a kind of measure fairly obvious to the underwater moving body noise reduction, it is also a kind of the most effective current method that reduces submarine noise, and can effectively reduce the reflection strength of enemy's active sonar detectable signal, each developed country is equipped at present novel conventional submarine and atomic submarine, all adopted multi-form sound eliminating tile basically.
Current sound eliminating tile technology, also there are many deficiencies aspect the radiated noise that reduces underwater moving body and self noise, as, the effect that suppresses underwater moving body self vibration and the radiation of isolation motion artifacts is not ideal enough, particularly to the poor effect of the assimilation effect of low-frequency sound wave.Underwater moving body self sonar working environment and detection range need to be improved.
Summary of the invention
The utility model purpose is the prior art deficiency, a kind of combined type sound eliminating tile made from volcanized rock, the hollow framework of porous light metallic material and neoprene is provided, with the target strength that reduces underwater moving body, reduce its radiated noise and self noise, thereby to guarantee that underwater moving body is not detected by unfriendly target disguise and the safety that guarantees one's own side.
The purpose of this utility model is to provide a kind of combined type sound eliminating tile, the characteristic of utilizing volcanized rock self to have, when absorbing active sonar sound wave, reduction acoustic reflection intensity, reducing enemy's active sonar detection range, the characteristic of utilizing the porous light metallic material self to have lowers the vibration that underwater moving body self produces, the underwater radiation noise that in the isolation underwater moving body, each soruce of vibration produces by hull, when reducing the body noise, improve the service conditions of underwater moving body sonar, actv. improves the detection range of underwater moving body sonar.
The technical scheme of the utility model combined type sound eliminating tile is: the hollow framework (4) that combined type sound eliminating tile (2) is made by a porous light sheet of metallic material, several neoprene piece (3) formations that are placed on the natural volcanized rock cone (5) in hollow framework (4) and encapsulate for hollow framework (4) and several natural volcanized rocks coniform (5) being spliced and combined to the body sulfuration, hollow framework (4) upper surface panel outer wall and following table panel outer wall all have certain radian, have several through holes (7) on the upper surface panel of hollow framework (4), the bottom-up of natural volcanized rock cone (5) is placed in through hole (7), mutually keep concordant smooth with the upper surface panel outer wall of hollow framework (4) at the bottom of the cone of natural volcanized rock cone (5), the cone top part of natural volcanized rock cone (5) is placed down, with the following table panel inner wall of hollow framework (4), contact, neoprene piece (3) will be placed with the whole sulfuration encapsulation of hollow framework (4) of several natural volcanized rocks coniform (5), form a sound eliminating tile.
The hole that hole in described natural volcanized rock is self-assembling formation, hole size is that NATURAL DISTRIBUTION forms and is inhomogeneous shape, and pore-solids ratio is in the 20-96% scope.
Described hollow framework (4) is by porous light metallic material aluminium sheet, manganese plate or paperboard, and hollow framework (4) adopts the mechanical system one-shot forming, or mutually is spliced to form after first being cut into four plates again, or mutually is spliced by two L shaped plates.
Described natural volcanized rock cone (5) but cone shape or wedge absorber (8) shape.
Selected natural volcanized rock is one or more in the black aperture volcanized rock in Great Britain, the black mesopore volcanized rock in Great Britain, the black aperture volcanized rock in Mayan, Athens ash mesopore volcanized rock, Rome ash micropore volcanized rock or Ou Shang ash macropore volcanized rock.
Described natural volcanized rock preferably originates in the volcanized rock of Tengchong County, Yunnan Province.
In described neoprene (3), it is the hole of random size and shape.
The utility model principle of work: the principle of noise reduction of sound eliminating tile, to produce impedance match between movable body and seawater under water, make sound wave can import in sound eliminating tile, the effect of shock damping action and watt internal cavity or weighting material by the sound eliminating tile material, the waveform of sound wave is converted, thereby sound wave is weakened or be absorbed fully.Natural volcanized rock cone (5), formed cavity effect between the hollow framework (4) that the porous light metallic material is made and the shock damping action of elastomeric tiny micropore and natural volcanized rock cone, the sound wave effect sent when active sonar is during in the utility model combined type sound eliminating tile, due to natural volcanized rock cone and the formed hollow framework of porous light block of metallic material (4) cavity, can make the waveform of high frequency sound wave and the low-frequency sound wave formation shearing wave that changes, in a large amount of tiny micropores, its heat exhaustion is fallen, thereby sound wave is weakened or be absorbed fully, can significantly reduce the reflection strength of detection side's active sonar sound wave, and then can reduce the ranging coverage of detection side's active sonar.The vibration produced when underwater moving body self and underwater moving body inner machine noise contributions are during in this combined type sound eliminating tile, the porous light metallic material can significantly reduce radiated noise and the self noise of underwater moving body, and then can reduce the detection range of detection side's passive sonar.
Therefore this combined type sound eliminating tile both can significantly reduce the reflection strength of the sound wave of detection side's active sonar, reduce the ranging coverage of detection side's active sonar, also can suppress the vibration that underwater moving body self produces, isolation underwater moving body inner machine noise is to the underwater moving body radiation, significantly reduce the underwater moving body self noise, reach the purpose that reduces detection side's passive sonar ranging coverage.
The beneficial effects of the utility model are:
1. take porous light block of metallic material, cone shape volcanized rock and the formed cavity of porous light block of metallic material is sound eliminating tile, has absorbed the sound wave of active sonar, reduces or eliminated the reflection strength of the sound wave of active sonar;
The upper surface of the sound eliminating tile 2. formed with coniform volcanized rock bottom surface and porous light block of metallic material to the sound wave of the active sonar of low-frequency range, has stronger assimilation effect especially, can significantly reduce or eliminate the reflection strength of the sound wave of active sonar;
for the design of the underwater moving body of hidden-type, calm type provides foundation.
The accompanying drawing explanation
Below in conjunction with accompanying drawing of the present utility model, further describe its specific embodiment.
Fig. 1 is the use view that the utility model volcanized rock sound eliminating tile is arranged on the submarine outside face.
Fig. 2 is the structural representation of the utility model volcanized rock sound eliminating tile (2).
The birds-eye view that Fig. 3 is the hollow framework of the utility model (4).
Fig. 4 is the lateral plan after the sound eliminating tile of volcanized rock shown in Fig. 2 (2) B-B direction is cut open.
The structural representation that Fig. 5 is the single cone of the utility model (5).
The structural representation that Fig. 6 is the single wedge absorber of the utility model (8).
In figure, each label means successively
:1-underwater moving body, 2-volcanized rock sound eliminating tile, 3-neoprene, the hollow framework of the natural volcanized rock of 4-, the natural volcanized rock cone of 5-, 6-cavity
;7-through hole; 8-wedge absorber.
The specific embodiment
The utility model is by the hollow framework 4 that has the porous light metallic material that is natural volcanized rock cone 5, certain radian and thickness and make, and it is mutually vulcanized and is encapsulated as 3 compositions of an integrally-built neoprene.Volcanized rock is cone-shaped structure or wedge absorber 8 structures, and the porous light metallic material is hollow framework 4 bulks with certain radian, and it is the common sound eliminating tile that forms after synthetic rubber (butyl or buna-S are made) encapsulation.The radian of formed combined type sound eliminating tile consistent with underwater moving body surface radian (radian of sound eliminating tile is determined according to underwater moving body surface radian).
Described volcanized rock, the volcanized rock that elite Yunnan Province produces Tengchong County, its pore-solids ratio is that 82-96%, thickness are 20～30mm, and the integral thickness of sound eliminating tile is 40～60mm, and aspect ratio is 100:90～75.
3 holes that contain various different sizes and shape of described neoprene (natural foaming form, random hole), thickness is 40～60mm.The sulfuration encapsulation adopts conventional sulfuration encapsulation technology.
embodiment 1:for the combined type sound eliminating tile 2 of submarine, make hollow framework 4, the natural volcanized rock of polylith coniform 5 and its sulfuration is encapsulated as to an integrally-built neoprene 3 by the porous light metallic material aluminium sheet with certain radian and thickness and form.The pore-solids ratio of volcanized rock is 82%, hole self-assembling formation on it, is inhomogeneous shape, and aperture can be 0.5 mm to 10mm, and thickness is 20mm; Neoprene 3 is the holes that have or not regular size and shape; The glace shape that hollow framework 4 block lengths that the porous light metallic material is made and wide ratio are 100:50, its radian is consistent with submarine outside face radian, the sound eliminating tile that the formation integral thickness is 80mm jointly after synthetic rubber packaging.
This combined type sound eliminating tile is the shape according to submarine, chooses suitable porous light metallic material aluminium block and makes the glace shape that aspect ratio with certain radian and thickness is 100:50; Polylith volcanized rock coniform 5 is assemblied on glace shape porous light metallic material aluminium block, and upward, top down, sulfuration is packaged in neoprene the coniform bottom of volcanized rock dress, forms the radian sound eliminating tile consistent with the submarine outside face.According to the needs of Sound absorption design, in different position, submarine hull surface, with epoxy resin, be laid in its surface of shell again.
embodiment 2:for the combined type sound eliminating tile of submarine, make hollow framework 4, polylith volcanized rock coniform 5 and its sulfuration is encapsulated as to an integrally-built neoprene 3 by the porous light metallic material honeycomb paper piece with certain radian and thickness and form.Volcanized rock is the block structure with certain radian.The pore-solids ratio of volcanized rock is 96%, hole self-assembling formation on it, is inhomogeneous shape, and aperture can be 0.2 mm to 5mm, and thickness is 15mm; Neoprene has or not the hole of regular size and shape; The glace shape that porous light metallic material of aluminum piece aspect ratio is 100:50, its radian is consistent with submarine outside face radian, the sound eliminating tile that common formation integral thickness is 70mm after synthetic rubber packaging.
This sound eliminating tile is the shape according to submarine, chooses suitable porous light metallic material honeycomb paper piece and makes the glace shape that aspect ratio with certain radian and the hollow framework of thickness is 100:50; The coniform volcanized rock of polylith is assemblied on glace shape porous light block of metallic material, and upward, top down, sulfuration is packaged in neoprene coniform volcanized rock bottom dress, forms the radian sound eliminating tile consistent with the submarine outside face.According to the needs of Sound absorption design, in different position, submarine hull surface, with epoxy resin, be laid in its surface of shell again.
embodiment 3:for the combined type sound eliminating tile of torpedo, make hollow framework 4, polylith volcanized rock coniform 5 and its sulfuration is encapsulated as to an integrally-built neoprene 3 by the porous light block of metallic material blocks of aluminum foam with certain radian and thickness and form.Volcanized rock is the block structure with certain radian.The pore-solids ratio of volcanized rock is 90%, hole self-assembling formation on it, is inhomogeneous shape, and aperture can be 0.2 mm to 2mm, and thickness is 5mm; Neoprene has or not the hole of regular size and shape; Porous light metallic material blocks of aluminum foam is made the glace shape that hollow framework aspect ratio is 100:50, and its radian is consistent with torpedo outside face radian, the sound eliminating tile that common formation integral thickness is 28mm after synthetic rubber packaging.
The utility model combined type sound eliminating tile is the shape according to torpedo, chooses suitable porous light block of metallic material blocks of aluminum foam and makes the glace shape that aspect ratio with certain radian and thickness is 100:50; The coniform placement of polylith volcanized rock is assemblied on the porous light metallic material blocks of aluminum foam of glace shape, upward, top down, sulfuration is packaged in neoprene 3 volcanized rock cone 5 bottom dresses, forms the radian sound eliminating tile consistent with the submarine outside face.According to the needs of Sound absorption design, in different position, torpedo shell surface, with epoxy resin, be laid in its surface of shell again.
Claims (5)
1. a combined type sound eliminating tile, it is characterized in that: the hollow framework (4) that combined type sound eliminating tile (2) is made by a porous light sheet of metallic material, several neoprene piece (3) formations that are placed on the natural volcanized rock cone (5) in hollow framework (4) and encapsulate for hollow framework (4) and several natural volcanized rocks coniform (5) being spliced and combined to the body sulfuration, hollow framework (4) upper surface panel outer wall and following table panel outer wall all have certain radian, have several through holes (7) on the upper surface panel of hollow framework (4), the bottom-up of natural volcanized rock cone (5) is placed in through hole (7), mutually keep concordant smooth with the upper surface panel outer wall of hollow framework (4) at the bottom of the cone of natural volcanized rock cone (5), the cone top part of natural volcanized rock cone (5) is placed down, with the following table panel inner wall of hollow framework (4), contact, neoprene piece (3) will be placed with the whole sulfuration encapsulation of hollow framework (4) of several natural volcanized rocks coniform (5), form a sound eliminating tile.
2. combined type sound eliminating tile according to claim 1 and 2 is characterized in that: the hole that the hole in described natural volcanized rock is self-assembling formation, and hole size is that NATURAL DISTRIBUTION forms and is inhomogeneous shape, and pore-solids ratio is in the 20-96% scope.
3. combined type sound eliminating tile according to claim 1 and 2, it is characterized in that: described hollow framework (4) is by porous light metallic material aluminium sheet, manganese plate or paperboard, hollow framework (4) adopts the mechanical system one-shot forming, mutually be spliced to form again after perhaps first being cut into four plates, or mutually be spliced by two L shaped plates.
4. combined type sound eliminating tile according to claim 1 and 2 is characterized in that: natural volcanized rock cone (5) but cone shape or wedge absorber (8) shape.
5. combined type sound eliminating tile according to claim 1, is characterized in that in described neoprene (3) it being the hole of random size and shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320115743.4U CN203172883U (en) | 2013-03-14 | 2013-03-14 | Compound type anechoic tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320115743.4U CN203172883U (en) | 2013-03-14 | 2013-03-14 | Compound type anechoic tile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203172883U true CN203172883U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320115743.4U Expired - Fee Related CN203172883U (en) | 2013-03-14 | 2013-03-14 | Compound type anechoic tile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203172883U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183119A (en) * | 2013-03-14 | 2013-07-03 | 昆明理工大学 | Combined-type anechoic tile |
| CN105270584A (en) * | 2015-11-05 | 2016-01-27 | 李建明 | Low-noise submarine |
| CN110444188A (en) * | 2019-07-30 | 2019-11-12 | 华中科技大学 | A kind of underwater perforation mixing cavity structure acoustic stimulation |
-
2013
- 2013-03-14 CN CN201320115743.4U patent/CN203172883U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183119A (en) * | 2013-03-14 | 2013-07-03 | 昆明理工大学 | Combined-type anechoic tile |
| CN103183119B (en) * | 2013-03-14 | 2017-03-15 | 昆明理工大学 | A kind of Combined-type anechoic tile |
| CN105270584A (en) * | 2015-11-05 | 2016-01-27 | 李建明 | Low-noise submarine |
| CN110444188A (en) * | 2019-07-30 | 2019-11-12 | 华中科技大学 | A kind of underwater perforation mixing cavity structure acoustic stimulation |
| CN110444188B (en) * | 2019-07-30 | 2021-08-03 | 华中科技大学 | Underwater perforated mixed cavity structure acoustic covering layer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140314 |