CN102259698A - Anechoic tile based on composite material - Google Patents
Anechoic tile based on composite material Download PDFInfo
- Publication number
- CN102259698A CN102259698A CN201110205117XA CN201110205117A CN102259698A CN 102259698 A CN102259698 A CN 102259698A CN 201110205117X A CN201110205117X A CN 201110205117XA CN 201110205117 A CN201110205117 A CN 201110205117A CN 102259698 A CN102259698 A CN 102259698A
- Authority
- CN
- China
- Prior art keywords
- sheet
- foam metal
- rare
- metal material
- material sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention relates to an anechoic tile based on a composite material, in particular relates to an anechoic tile made from a foam metal material and a rare-earth giant magnetostrictive material (RE-GMM), and belongs to the technical field of noise reduction. The anechoic tile consists of a foam metal material sheet and an RE-GMM sheet with a certain radian and thickness as well as a synthetic rubber sheet for vulcanizing and packaging the foam metal material sheet and the RE-GMM sheet which are bonded with each other to form an integral structure, wherein, the shape of the foam metal material sheet and the RE-GMM sheet is consistent, the radian of the two sheets is consistent with the surface radian of an underwater moving vehicle, and the two sheets are packaged through the synthetic rubber sheet to jointly form the anechoic tile. The anechoic tile provided by the invention has the beneficial effects that the acoustic wave of active sonar is absorbed, the reflection strength of the acoustic wave of the active sonar is obviously lowered, the vibration caused by the underwater moving vehicle is inhibited, the machine noise radiation of the underwater moving vehicle is isolated from the vehicle, the noise from the underwater moving vehicle is obviously reduced and the operating distance of passive sonar of a detected party is shortened.
Description
Technical field
The present invention relates to a kind of sound eliminating tile based on composite material, especially the sound eliminating tile made from foam metal material and rare-earth super-magnetic telescopic material belongs to the noise elimination technique field.
Background technology
When underwater moving body moves under water, because the double vibrations and the liquid motion of the rotation that spiral falls, machinery tend to produce stronger radiated noise.If the radiated noise level of underwater moving body is higher, be easy to be detected by unfriendly target, 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.
Be to solve 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, also is the most effective present a kind of method that reduces submarine noise, and novel conventional submarine and atomic submarine that various countries are equipped have all adopted this noise reduction means basically.
The principle of noise reduction of sound eliminating tile, be to produce impedance match between movable body and the seawater under water, sound wave can be imported in the sound eliminating tile, the effect of shock damping action and watt internal cavity or weighting material by the sound eliminating tile material, make the waveform generation conversion of sound wave, thereby sound wave is weakened or be absorbed fully.Present sound eliminating tile technology, also there are many deficiencies aspect radiated noise that reduces underwater moving body and the self noise, as, the effect that suppresses underwater moving body self vibration and the noise radiation of isolation movable body inner machine is not ideal enough, absorption usefulness to high frequency sound wave or low-frequency sound wave is as broad as long, and aural detector working environment and detection range need be improved.
Summary of the invention
The present invention is determined in the reduction of the radiated noise and the self noise of underwater moving body, thereby to guarantee that underwater moving body is not detected the safety of navigation that guarantees one's own side by unfriendly target.
The purpose of this invention is to provide a kind of sound eliminating tile made from foam metal material and rare-earth super-magnetic telescopic material, when absorbing active sonar sound wave, reduction acoustic reflection intensity, reducing the active sonar detection range, the characteristic of utilizing the rare-earth super-magnetic telescopic material self to be had, suppress the vibration that underwater moving body self produces, isolate underwater moving body inner machine noise to the underwater moving body radiation, when reducing the body noise, improved the service conditions of underwater moving body sonar, actv. improves the detection range of underwater moving body sonar.
Technical scheme of the present invention is: by foam metal material sheet with certain radian and thickness and rare-earth super-magnetic telescopic material sheet, and their mutual bonding after cure are encapsulated as an integrally-built neoprene sheet form.The shape of foam metal material sheet and rare-earth super-magnetic telescopic material sheet is consistent, is the schistose texture that has certain radian, and they are the common sound eliminating tile that forms after synthetic sheet rubber (common tartan is made) encapsulation.The radian of foam metal material sheet, rare-earth super-magnetic telescopic material sheet and 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 foam metal material sheet is regular foam metal material sheet such as aluminium, nickel and alloy thereof, and its pore-solids ratio is that 86-92%, thickness are 5～40mm; Rare-earth super-magnetic telescopic material sheet is a Tb0.27Dy0.73Fe1.95 rare-earth super-magnetic material piece, and its thickness is 5～40mm; The integral thickness of sound eliminating tile is 30～150mm, and aspect ratio is 100:90～75.
Described neoprene sheet is divided into inside and outside double-layer structure, and skin is a solid construction, and internal layer has the hole (natural foaming form, random hole) of various different sizes and shape, and the thickness ratio of inside and outside layer is 6～10:1.Conventional sulfuration encapsulation technology is adopted in the sulfuration encapsulation.
The present invention is according to the density of the tiny finely porous shock damping action of foam metal material and cavity effect and rare-earth super-magnetic telescopic material surface charge this groundwork that is directly proportional with suffered pressure, when the sound wave that sends when active sonar acts on this sound eliminating tile, because tiny micropore and formed cavity and the set various different sizes of neoprene sheet internal layer and the hole of shape of foam metal material face, can make the waveform generation conversion of high frequency sound wave and low-frequency sound wave, thereby sound wave is weakened or be absorbed fully, the reflection strength of detection side's active sonar sound wave can be significantly reduced, and then the ranging coverage of detection side's active sonar can be reduced; Vibration that underwater moving body self produces and underwater moving body inner machine noise can produce pressure to rare-earth super-magnetic telescopic material face, thereby cause the inner positive and negative charge center relative displacement of rare-earth super-magnetic telescopic material and polarize, make rare-earth super-magnetic telescopic material two end surfaces opposite polarity bound charge occur, form faint electromagnetic field, the radiated noise and the self noise of underwater moving body can be significantly reduced, and then the detection range of detection side's passive sonar can be reduced.
The sound eliminating tile that this composite material is made 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, isolate underwater moving body inner machine noise 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 invention has the beneficial effects as follows:
1. be the sound eliminating tile outside with the foam metal material, absorbed the sound wave of active sonar, reduce or eliminated the reflection strength of the sound wave of active sonar;
2. with the set various different sizes of neoprene sheet internal layer and the hole of shape, absorb the sound wave of active sonar, reduced or eliminated the reflection strength of the sound wave of active sonar;
Description of drawings
Fig. 1 is a running condition scheme drawing of the present invention;
Fig. 2 is the main partial schematic diagram of looking of the present invention;
Fig. 3 is a backsight partial schematic diagram of the present invention;
Fig. 4 is that side of the present invention is cutd open partial schematic diagram;
Fig. 5 is that side of the present invention is cutd open partial schematic diagram (the non-radian that is provided with).
Each label is represented successively among the figure: adhesive linkage in 1-underwater moving body, 2-sound eliminating tile, 3-neoprene internal layer, 4-arc foam metal material sheet, 5-arc rare-earth super-magnetic telescopic material sheet, 6-neoprene skin, the 7-.
The specific embodiment
Below in conjunction with accompanying drawing of the present invention, further describe its specific embodiment.
Embodiment 1:The sound eliminating tile based on composite material that is used for submarine by foam metal material sheet 4 with certain radian and thickness and rare-earth super-magnetic telescopic material sheet 5, and is encapsulated as an integrally-built neoprene sheet 3 with their mutual bonding after cure and forms.The shape of foam metal material sheet and rare-earth super-magnetic telescopic material sheet is consistent, is the schistose texture that has certain radian.The foam metal material sheet is that pore-solids ratio is 90%, thickness is the foam aluminium flake of 40mm, rare-earth super-magnetic telescopic material sheet is that thickness is the rare-earth super-magnetic material piece of 40mm, uses adhering with epoxy resin, the thick 2mm of glue-line (interior adhesive linkage) between foam metal material sheet and the rare-earth super-magnetic telescopic material sheet; The neoprene sheet is divided into inside and outside double-layer structure, and outer is the hole that solid construction, internal layer have or not regular size and shape, and the thickness of inside and outside layer is than being 10:1; Foam metal material sheet and rare-earth super-magnetic telescopic material sheet are that aspect ratio is the sheet of 100:90, and their radian is consistent with submarine outside face radian, and common formation integral thickness is the sound eliminating tile of 150mm after synthetic sheet rubber encapsulation.
This sound eliminating tile is the shape according to submarine, design and manufacturing have the foam metal material sheet and the rare-earth super-magnetic telescopic material sheet of certain radian and thickness, foam metal material sheet and the bonding after cure of rare-earth super-magnetic telescopic material sheet are packaged in the neoprene sheet, form radian and the corresponding to sound eliminating tile of submarine outside face.Need according to the noise elimination design-calculated again,, foam metal material is faced outer, rare-earth super-magnetic telescopic material inwardly, be laid in its surface of shell with epoxy resin in different position, submarine hull surface.
Embodiment 2:The sound eliminating tile based on composite material that is used for torpedo by foam metal material sheet 4 with certain radian and thickness and rare-earth super-magnetic telescopic material sheet 5, and is encapsulated as an integrally-built neoprene sheet 3 with their mutual bonding after cure and forms.The shape of foam metal material sheet and rare-earth super-magnetic telescopic material sheet is consistent, is the schistose texture that has certain radian.The foam metal material sheet is that pore-solids ratio is 92%, thickness is the nickel foam alloy sheet of 10mm, rare-earth super-magnetic telescopic material sheet is that thickness is the rare-earth super-magnetic material piece of 10mm, uses adhering with epoxy resin, the thick 1mm of glue-line (interior adhesive linkage) between foam metal material sheet and the rare-earth super-magnetic telescopic material sheet; The neoprene sheet is divided into inside and outside double-layer structure, and outer is the hole that solid construction, internal layer have or not regular size and shape, and the thickness of inside and outside layer is than being 8:1; Foam metal material sheet and rare-earth super-magnetic telescopic material sheet are that aspect ratio is the sheet of 100:85, and their radian is consistent with torpedo outside face radian, and common formation integral thickness is the sound eliminating tile of 50mm after synthetic sheet rubber encapsulation.
This sound eliminating tile is the shape according to torpedo, design and manufacturing have the foam metal material sheet and the rare-earth super-magnetic telescopic material sheet of certain radian and thickness, foam metal material sheet and the bonding after cure of rare-earth super-magnetic telescopic material sheet are packaged in the neoprene sheet, form radian and the corresponding to sound eliminating tile of torpedo outside face.Need according to the noise elimination design-calculated again,, foam metal material is faced outer, rare-earth super-magnetic telescopic material inwardly, be laid in its surface of shell with epoxy resin in different position, torpedo shell surface.
Embodiment 3:The sound eliminating tile based on composite material that is used for torpedo by foam metal material sheet 4 with certain radian and thickness and rare-earth super-magnetic telescopic material sheet 5, and is encapsulated as an integrally-built common neoprene sheet 3 with their mutual bonding after cure and forms.The shape of foam metal material sheet and rare-earth super-magnetic telescopic material sheet is consistent, is the schistose texture that has certain radian.The foam metal material sheet is that pore-solids ratio is 86%, thickness is the foam aluminium alloy sheet of 5mm, rare-earth super-magnetic telescopic material sheet is that thickness is the rare-earth super-magnetic material piece of 5mm, uses adhering with epoxy resin, the thick 1mm of glue-line (interior adhesive linkage) between foam metal material sheet and the rare-earth super-magnetic telescopic material sheet; The neoprene sheet is divided into inside and outside double-layer structure, and outer is the hole that solid construction, internal layer have or not regular size and shape, and the thickness of inside and outside layer is than being 6:1; Foam metal material sheet and rare-earth super-magnetic telescopic material sheet are that aspect ratio is the sheet of 100:75, and their radian is consistent with torpedo outside face radian, and common formation integral thickness is the sound eliminating tile of 30mm after synthetic sheet rubber encapsulation.
This sound eliminating tile is the shape according to torpedo, design and manufacturing have the foam metal material sheet and the rare-earth super-magnetic telescopic material sheet of certain radian and thickness, foam metal material sheet and the bonding after cure of rare-earth super-magnetic telescopic material sheet are packaged in the neoprene sheet, form radian and the corresponding to sound eliminating tile of torpedo outside face.Need according to the noise elimination design-calculated again,, foam metal material is faced outer, rare-earth super-magnetic telescopic material inwardly, be laid in its surface of shell with epoxy resin in different position, torpedo shell surface.
Claims (4)
1. sound eliminating tile based on composite material is characterized in that: by foam metal sheet with certain radian and thickness and rare-earth super-magnetic telescopic material sheet, and their mutual bonding after cure are encapsulated as an integrally-built neoprene sheet form.
2. the sound eliminating tile based on composite material according to claim 1, it is characterized in that: the shape of foam metal material sheet and rare-earth super-magnetic telescopic material sheet is consistent, be the schistose texture that has certain radian, their radian is consistent with underwater moving body surface radian.
3. the sound eliminating tile based on composite material according to claim 1 and 2, it is characterized in that: the pore-solids ratio of foam metal sheet is that 86-92%, thickness are 20～40mm, the thickness of rare-earth super-magnetic telescopic material sheet is 20～40mm, the integral thickness of sound eliminating tile is 80～150mm, and aspect ratio is 100:90～75.
4. according to claim 1 or 2 or 3 described sound eliminating tiles based on composite material, it is characterized in that: the neoprene sheet is divided into inside and outside double-layer structure, outer is the hole that solid construction, internal layer have various different sizes and shape, and the thickness ratio of inside and outside layer is 6～10:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205117XA CN102259698A (en) | 2011-07-21 | 2011-07-21 | Anechoic tile based on composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110205117XA CN102259698A (en) | 2011-07-21 | 2011-07-21 | Anechoic tile based on composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102259698A true CN102259698A (en) | 2011-11-30 |
Family
ID=45006582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110205117XA Pending CN102259698A (en) | 2011-07-21 | 2011-07-21 | Anechoic tile based on composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102259698A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930862A (en) * | 2012-09-28 | 2013-02-13 | 中国船舶重工集团公司第七二五研究所 | Z-direction enhanced underwater sound absorption sandwich composite material and preparation method for same |
| CN103183119A (en) * | 2013-03-14 | 2013-07-03 | 昆明理工大学 | Combined-type anechoic tile |
| CN103183120A (en) * | 2013-03-14 | 2013-07-03 | 昆明理工大学 | Volcanic rock noise elimination tile |
| 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 |
| CN105620697A (en) * | 2016-01-22 | 2016-06-01 | 中国人民解放军海军工程大学 | Multilayer material combined cavity anechoic tile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0641262B1 (en) * | 1992-05-22 | 1996-04-17 | Thomson-Csf | Underwater acoustic antenna having a surface sensor |
| CN101117675A (en) * | 2007-09-11 | 2008-02-06 | 同济大学 | Foam metal and preparation method thereof |
| CN201437403U (en) * | 2009-06-30 | 2010-04-14 | 余启明 | Anti-sonar anechoic tile of submarine |
| CN101927819A (en) * | 2010-07-30 | 2010-12-29 | 昆明理工大学 | Anechoic tile prepared from rare-earth super-magnetic flexible material |
| CN202345901U (en) * | 2011-07-21 | 2012-07-25 | 昆明理工大学 | Composite-material-based noise elimination tile |
-
2011
- 2011-07-21 CN CN201110205117XA patent/CN102259698A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0641262B1 (en) * | 1992-05-22 | 1996-04-17 | Thomson-Csf | Underwater acoustic antenna having a surface sensor |
| CN101117675A (en) * | 2007-09-11 | 2008-02-06 | 同济大学 | Foam metal and preparation method thereof |
| CN201437403U (en) * | 2009-06-30 | 2010-04-14 | 余启明 | Anti-sonar anechoic tile of submarine |
| CN101927819A (en) * | 2010-07-30 | 2010-12-29 | 昆明理工大学 | Anechoic tile prepared from rare-earth super-magnetic flexible material |
| CN202345901U (en) * | 2011-07-21 | 2012-07-25 | 昆明理工大学 | Composite-material-based noise elimination tile |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930862A (en) * | 2012-09-28 | 2013-02-13 | 中国船舶重工集团公司第七二五研究所 | Z-direction enhanced underwater sound absorption sandwich composite material and preparation method for same |
| CN102930862B (en) * | 2012-09-28 | 2014-12-10 | 中国船舶重工集团公司第七二五研究所 | Z-direction enhanced underwater sound absorption sandwich composite material and preparation method for same |
| CN103183119A (en) * | 2013-03-14 | 2013-07-03 | 昆明理工大学 | Combined-type anechoic tile |
| CN103183120A (en) * | 2013-03-14 | 2013-07-03 | 昆明理工大学 | Volcanic rock noise elimination tile |
| CN103183120B (en) * | 2013-03-14 | 2017-02-22 | 昆明理工大学 | Volcanic rock noise elimination tile |
| CN103183119B (en) * | 2013-03-14 | 2017-03-15 | 昆明理工大学 | A kind of Combined-type anechoic tile |
| 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 |
| CN105620697A (en) * | 2016-01-22 | 2016-06-01 | 中国人民解放军海军工程大学 | Multilayer material combined cavity anechoic tile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102259698A (en) | Anechoic tile based on composite material | |
| CN110984417B (en) | Anti-collision device combining chiral negative Poisson ratio structure and honeycomb structure | |
| CN104647823B (en) | Shock-resistant energy-absorbing material and preparation method thereof | |
| CN202345901U (en) | Composite-material-based noise elimination tile | |
| CN202345900U (en) | Anechoic tile made of foam metal material | |
| CN202416161U (en) | Ship collision proof device of bridge piers | |
| CN102568465A (en) | Under-water self-adapting curved-surface composite acoustic material | |
| CN106516414A (en) | Protective sleeve for cleaning agent remote transportation | |
| CN103600809B (en) | A kind of vibration and noise reducing Ship Structure flexible interlayer sheet | |
| CN205894822U (en) | Explosion container shock -absorbing structure | |
| CN104284272B (en) | A kind of deep water composite construction acoustics basic matrix and the entrant sound method based on the basic matrix | |
| CN104354588A (en) | Foamed aluminum automobile anti-explosion oil tank | |
| CN102673733A (en) | Vibration and noise reduction device | |
| CN202171948U (en) | Anechoic tile based on combined material | |
| CN203172883U (en) | Compound type anechoic tile | |
| CN102347024A (en) | Anechoic tile based on combinatorial materials | |
| CN106847253A (en) | A kind of honeycomb cavity structure acoustic stimulation | |
| CN107542620B (en) | Stem slamming power generation Damping modules constructional device | |
| CN101920776A (en) | Sound eliminating tile made of piezoelectric material | |
| CN101927819A (en) | Anechoic tile prepared from rare-earth super-magnetic flexible material | |
| CN103183120B (en) | Volcanic rock noise elimination tile | |
| CN105620697A (en) | Multilayer material combined cavity anechoic tile | |
| CN103342204B (en) | Nonmetallic anti-explosion container and manufacturing process thereof | |
| CN103183119A (en) | Combined-type anechoic tile | |
| CN211624049U (en) | Novel composite rubber metal shock absorber for ship water chilling unit compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111130 |