CN204288799U - A kind of sound insulation of the compound for sonar array baffle - Google Patents
A kind of sound insulation of the compound for sonar array baffle Download PDFInfo
- Publication number
- CN204288799U CN204288799U CN201420731687.1U CN201420731687U CN204288799U CN 204288799 U CN204288799 U CN 204288799U CN 201420731687 U CN201420731687 U CN 201420731687U CN 204288799 U CN204288799 U CN 204288799U
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- sound
- baffle
- compound
- sonar array
- sound insulation
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Abstract
The utility model relates to a kind of compound for sonar array sound insulation baffle, comprise sound absorption baffle and the Antisoundbaffle being connected to the sound absorption baffle back side, the baffle that wherein absorbs sound is porosint, Antisoundbaffle is made up of the entrant sound material shell of foamed core and coated foamed core, described foamed core is the low-density polystyrene foam with strengthening post, and described entrant sound material shell is that epoxy resin and glass fibre composite curing form.When using in water, water can enter in the hole of porosint fully, and can be absorbed well by porosint foamed aluminium during sound wave incident, acoustic energy will well be converted into thermal effect and be predominantly absorbed.Take into account acoustic absorbant and reverse sound material performance separately, use rich aeriferous, light-duty, low-impedance low-density polystyrene foamed material as reverse sound material, can high water pressure resistant.There is good sound isolation effect.
Description
Technical field
The utility model relates to Underwater Detection field, is specifically related to a kind of compound for sonar array sound insulation baffle.
Background technology
Underwater acoustic materials refers to the acoustical material used in facility under water, along with the appearance of nuclear-powered submarine and the development of Underwater Battery, undersea detection technology plays a part abnormal important, the quantity of nuclear submarine, capital ship, supertanker and combination vessel increases increasingly in recent years, thus also more and more higher to the requirement of underwater acoustic system and underwater noise control.Meanwhile, the kind of kuppe, sound transmitting window, baffle, reverberator, anechoic coatings and volume sound absorber is also on the increase, and this facilitates the development of underwater acoustic materials greatly.
Use under being in the condition of external pressure effect in the usual environment under water of underwater acoustic materials, therefore certain compressive resistance must be had.Current underwater acoustic materials relates generally to foamed material and elastomeric material etc., and compared with close material, the most outstanding feature of foamed material is that characteristic impedance is low, and this is that they obtain the main cause of application in underwater acoustic system.And elastomeric material is widely used in the underwater acoustic system being representative with submarine sound eliminating tile.Low-density polystyrene underwater acoustic materials is the new polymers class underwater acoustic materials that development in recent years is got up, and the application in underwater acoustic system such as the foamed material of low-density polystyrene has good development prospect.
Underwater acoustic materials relates generally to the aspects such as underwater acoustic absorption material, underwater acoustic transmission material and underwater acoustic reflection material.But be only do single research for the material of a certain kind in the application of current underwater acoustic materials, it also only plays the effect of sound absorption, entrant sound or anti-sound in the application.
For this reason, deviser of the present utility model is because above-mentioned technological deficiency, by concentrating on studies and designing, comprehensive experience and the achievement being engaged in related industry for a long time for many years, research and design goes out a kind of compound for sonar array sound insulation baffle, be compounded with the technique effect of sound absorption, entrant sound and anti-sound, to overcome above-mentioned technological deficiency.
Utility model content
The technical problems to be solved in the utility model is: design a kind of compound for sonar array sound insulation baffle, to solve the technological deficiency that underwater acoustic materials of the prior art can not meet request for utilization comprehensively.
In order to solve the problems of the technologies described above, the utility model have employed following technical scheme:
A kind of sound insulation of the compound for sonar array baffle, it is characterized in that: comprise sound absorption baffle and the Antisoundbaffle being connected to the sound absorption baffle back side, the baffle that wherein absorbs sound is porosint, Antisoundbaffle is made up of the entrant sound material shell of foamed core and coated foamed core, described foamed core is the low-density polystyrene foam with strengthening post, and described entrant sound material shell is that epoxy resin and glass fibre composite curing form.
As above for the compound sound insulation baffle of sonar array, it is characterized in that: described porosint is foamed aluminium.
As above for the compound sound insulation baffle of sonar array, it is characterized in that: described enhancing column material is fibre-reinforced epoxy resin.
As above for the compound sound insulation baffle of sonar array, it is characterized in that: described epoxy resin is epoxy vingl ester resin.
As above for the compound sound insulation baffle of sonar array, it is characterized in that: described epoxy resin and the weight ratio of glass fibre are 65-70:30-35.
Known by technique scheme, a kind of sound insulation of the compound for sonar array baffle of the present utility model has following technique effect:
1. when using in water, water can enter in the hole of porosint fully, and can be absorbed well by porosint foamed aluminium during sound wave incident, acoustic energy will well be converted into thermal effect and be predominantly absorbed.
2. take into account acoustic absorbant and reverse sound material performance separately, use rich aeriferous, light-duty, low-impedance low-density polystyrene foamed material as reverse sound material, can high water pressure resistant.There is good sound isolation effect.
Detailed content of the present utility model obtains by following detailed description and Figure of description.
Accompanying drawing explanation
Fig. 1 is the compound for sonar array of the present utility model sound insulation baffle structural representation.
Fig. 2 is Antisoundbaffle structural representation of the present utility model.
In figure: 1 for sound absorption baffle, 2 be Antisoundbaffle, 3 for entrant sound material shell, 4 be low-density polystyrene foamed core.
Embodiment
The concrete structure of a kind of sound insulation of the compound for sonar array baffle of the present utility model is described in detail below in conjunction with Figure of description.
See Fig. 1 ~ Fig. 2, show a kind of sound insulation of the compound for sonar array baffle of the present utility model.
A kind of sound insulation of the compound for sonar array baffle, comprise sound absorption baffle and the Antisoundbaffle being connected to the sound absorption baffle back side, the baffle that wherein absorbs sound is porosint foamed aluminium, Antisoundbaffle is made up of the entrant sound material shell of foamed core and coated foamed core, epoxy vingl ester resin and the glass fibre composite curing of entrant sound compound substance to be weight ratio be 70:30 form, and have good water-fast and sound translative performance.Described foamed core is the low-density polystyrene foam with strengthening post.Described enhancing column material is fibre-reinforced epoxy resin.
Known by said structure, a kind of sound insulation of the compound for sonar array baffle tool of the present utility model has the following advantages:
1. when using in water, water can enter in the hole of porosint fully, and can be absorbed well by porosint foamed aluminium during sound wave incident, acoustic energy will well be converted into thermal effect and be predominantly absorbed.
2. take into account acoustic absorbant and reverse sound material performance separately, use rich aeriferous, light-duty, low-impedance low-density polystyrene foamed material as reverse sound material, can high water pressure resistant.There is good sound isolation effect.
It is evident that, above description and record be only citing instead of in order to limit content disclosed in the utility model, application or use.Although described in an embodiment and described embodiment with reference to the accompanying drawings, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of instructions and the appended claim fallen into above.
Claims (5)
1. the sound insulation of the compound for a sonar array baffle, it is characterized in that: comprise sound absorption baffle and the Antisoundbaffle being connected to the sound absorption baffle back side, the baffle that wherein absorbs sound is porosint, Antisoundbaffle is made up of the entrant sound material shell of foamed core and coated foamed core, described foamed core is the low-density polystyrene foam with strengthening post, and described entrant sound material shell is that epoxy resin and glass fibre composite curing form.
2., as claimed in claim 1 for the compound sound insulation baffle of sonar array, it is characterized in that: described porosint is foamed aluminium.
3., as claimed in claim 1 for the compound sound insulation baffle of sonar array, it is characterized in that: described enhancing column material is fibre-reinforced epoxy resin.
4., as claimed in claim 1 for the compound sound insulation baffle of sonar array, it is characterized in that: described epoxy resin is epoxy vingl ester resin.
5., as claimed in claim 1 for the compound sound insulation baffle of sonar array, it is characterized in that: described epoxy resin and the weight ratio of glass fibre are 65-70:30-35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731687.1U CN204288799U (en) | 2014-11-27 | 2014-11-27 | A kind of sound insulation of the compound for sonar array baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731687.1U CN204288799U (en) | 2014-11-27 | 2014-11-27 | A kind of sound insulation of the compound for sonar array baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204288799U true CN204288799U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420731687.1U Expired - Fee Related CN204288799U (en) | 2014-11-27 | 2014-11-27 | A kind of sound insulation of the compound for sonar array baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204288799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392715A (en) * | 2014-11-27 | 2015-03-04 | 成都瑞途电子有限公司 | Composite sound-proof baffle for sonar array |
| CN109936796A (en) * | 2018-12-26 | 2019-06-25 | 中国船舶重工集团公司第七二六研究所 | Inhibit the baffle and its installation method of the acoustic radiation of cylindrical transducer axial direction |
-
2014
- 2014-11-27 CN CN201420731687.1U patent/CN204288799U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392715A (en) * | 2014-11-27 | 2015-03-04 | 成都瑞途电子有限公司 | Composite sound-proof baffle for sonar array |
| CN109936796A (en) * | 2018-12-26 | 2019-06-25 | 中国船舶重工集团公司第七二六研究所 | Inhibit the baffle and its installation method of the acoustic radiation of cylindrical transducer axial direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151127 |