CN206840840U - A kind of kuppe truss core entrant sound window construction peculiar to vessel - Google Patents
A kind of kuppe truss core entrant sound window construction peculiar to vessel Download PDFInfo
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- CN206840840U CN206840840U CN201720703165.4U CN201720703165U CN206840840U CN 206840840 U CN206840840 U CN 206840840U CN 201720703165 U CN201720703165 U CN 201720703165U CN 206840840 U CN206840840 U CN 206840840U
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Abstract
The utility model proposes a kind of kuppe truss core entrant sound window construction peculiar to vessel, belong to technical field of acoustics peculiar to vessel.The kuppe truss core entrant sound window construction peculiar to vessel includes interior constraint surface layer, outer constraint surface layer and the sandwich layer of centre；The sandwich layer close adhesion is between interior constraint surface layer and outer constraint surface layer；The interior constraint surface layer and outer constraint surface layer are made of carbon fibre reinforced composite, and the three-dimensional lattice layer body that described sandwich layer is formed by one or more layers three-dimensional lattice structured set is formed；The material of the sandwich layer is identical with the material of interior constraint surface layer and outer constraint surface layer.The sound transmitting window and kuppe are integral type, are easy to integral installation, avoid influence of the mounting structure to transducer performance of split type sound transmitting window.
Description
Technical field
A kind of kuppe truss core entrant sound window construction peculiar to vessel is the utility model is related to, belongs to technical field of acoustics peculiar to vessel.
Background technology
Modern large and medium-sized ships and light boats bow bottom is configured with the comprehensive sonar array of bow detection mostly, in order to avoid current are to sonar
The impact of basic matrix, make basic matrix from the direct interference of " pseudo- sound ", kuppe is generally configured outside sonar array.Equipped with sonar
Ships and light boats bulb bow kuppe is the detection window of underwater anti-submarine warfare.As the operating cabin of equipment, ships and light boats bulb bow kuppe
Sound transmitting window structural requirement has good acoustical behavior, the distortion of less wave beam, good hydrodynamic performance and relatively low
Self noise.Therefore the acoustics design of the material of sonar dome, line style and structure will be before hull lines be ensured, meet structural strength
Put, realize good acoustical behavior, complete to provide the major function of excellent service for sonar.
Sonar dome needs acoustic window material.Earliest sonar dome is to use stainless steel material, and coverboard sheet metal reduces
The sound transparency of kuppe, in order to improve the sound translative performance of coverboard material, on the basis of steel material, titanium alloy, steel wire are developed
The coverboard materials such as net enhancing rubber, fiberglass (GFRP).The performance of said structure form in some aspects protrudes, but its is comprehensive
Can be also preferable not to the utmost.Especially bigger performance deficiency be present in the performance that flow noise reduces.
The content of the invention
The utility model in order to solve the technical problem that kuppe peculiar to vessel of the prior art reduces flow noise poor-performing,
Put forward a kind of kuppe truss core entrant sound window construction peculiar to vessel, the technical scheme taken is as follows：
A kind of kuppe truss core entrant sound window construction peculiar to vessel, the kuppe truss core entrant sound window construction peculiar to vessel include
Interior constraint surface layer 1, outer constraint surface layer 3 and the sandwich layer 2 of centre；The close adhesion of sandwich layer 2 is in interior constraint surface layer 1 and outer containment surfaces
Between layer 3；The interior constraint surface layer 1 and outer constraint surface layer 3 are made of fiber-reinforced resin matrix compound material or titanium alloy, institute
The sandwich layer 2 stated is the three-dimensional lattice layer body formed by three-dimensional lattice structured set；The material of the sandwich layer 2 and interior constraint surface layer 1
It is identical with the material of outer constraint surface layer 3.
Further, the interior constraint surface layer 1 and outer constraint surface layer 3 use fiberglass or carbon fibre reinforced composite system
Into.
Further, the three-dimensional lattice structure of the sandwich layer 2 is using tetrahedral three-dimensional structure, the three-dimensional knot of pyramid
Structure, D kagome types three-dimensional structures or brilliant three-dimensional structure.
Further, the sound transmitting window and kuppe are integral type, are easy to integral installation, avoid split type sound transmitting window
Influence of the mounting structure to transducer performance.
Further, the outer constraint thickness of surface layer 3 is 0.2~5mm, and the interior constraint thickness of surface layer 1 is 0.2~5mm,
The thickness of sandwich layer 2 is 25~40mm.
The utility model beneficial effect：
The utility model proposes kuppe truss core formula entrant sound window construction peculiar to vessel, it is compound by fiber-reinforced resin base
The sandwich structure that the inside and outside constraint surface layer of material combines to form with the dot matrix sandwich layer of identical material, by the thing for changing sandwich structure
Reason parameter and geometry designs change integrally-built intrinsic frequency, and then by the design of its physical parameter and geometric parameter,
The propagation of the vibration in special frequency channel can be hindered, realizes the vibration isolation of structure and the optimization of other performance.Meanwhile this practicality is new
Kuppe truss core formula sound transmitting window peculiar to vessel described in type can effectively reduce kuppe surface due to rapids by the combination of above-mentioned sandwich
Flow impulse excitation and caused sound transmitting window coverboard to vibrate, and then reduce the self noise of transducer face, it is appropriate by choosing
Structure and material parameter, self noise highest can reduce 6dB, and 2~5 times are improved compared to existing individual layer sound transmitting window anti-acoustic capability；
Signal interference of the flow noise to sonar antenna is greatly reduced, improves the stability that the signal of sonar antenna receives
In addition, the utility model proposes kuppe truss core formula entrant sound window construction peculiar to vessel solve it is saturating in the prior art
Sound window structure can not take into account the problem of high intensity and noise reduction, and the coordination realized between high intensity and noise reduction takes into account, meanwhile, this reality
With new kuppe truss core formula entrant sound window construction on the premise of high intensity is kept, noise reduction performance reaches as high as 6dB.
Brief description of the drawings
Fig. 1 is kuppe truss core sound transmitting window structure type of the present utility model.
Fig. 2 is sandwich layer three-dimensional lattice form of the present utility model.
(1, interior constraint surface layer；2, sandwich layer；3, outer constraint surface layer；A, tetrahedral；B, pyramid；C, 3D kagome
Type；D, brilliant)
Embodiment
The utility model is described further with reference to specific embodiment, but the utility model is not limited by embodiment
System.
Embodiment 1：
A kind of kuppe truss core entrant sound window construction peculiar to vessel, the kuppe truss core entrant sound window construction peculiar to vessel include
Interior constraint surface layer 1, outer constraint surface layer 3 and sandwich layer 2；The close adhesion of sandwich layer 2 in it is interior constraint surface layer 1 and it is outer constraint surface layer 3 it
Between；The interior constraint surface layer 1 and outer constraint surface layer 3 use fiber-reinforced resin matrix compound material, described sandwich layer 2 by one layer or
The three-dimensional lattice layer body that the set of multi-layer three-dimension lattice structure is formed is formed；The material of the sandwich layer 2 with it is interior constraint surface layer 1 and it is outer about
The material of beam surface layer 3 is identical.The sound transmitting window and kuppe are integral type, are easy to integral installation, avoid split type sound transmitting window
Influence of the mounting structure to transducer performance.
Wherein, the interior constraint surface layer 1, sandwich layer 2 and outer constraint surface layer 3 are made of carbon fibre reinforced composite.
The three-dimensional lattice structure of the sandwich layer 2 is using tetrahedral three-dimensional structure, pyramid three-dimensional structure, the three-dimensional knot of D kagome types
Structure or brilliant three-dimensional structure.The outer constraint thickness of surface layer 3 is 0.2mm, and the interior constraint thickness of surface layer 1 is 0.2mm, described
The thickness of sandwich layer 2 is 25mm.
It is this to be designed to effectively reduce kuppe surface due to caused self noise under turbulence pulsation excitation；Drop significantly
Low signal interference of the flow noise to sonar antenna, improve the stability that the signal of sonar antenna receives.
In addition, the kuppe sandwich type entrant sound window construction peculiar to vessel that the present embodiment proposes solves sound transmitting window knot in the prior art
Structure can not take into account the problem of high intensity and high energy absorption characteristics, and the coordination realized between high intensity and high energy absorption characteristics takes into account,Together When, on the premise of high intensity is kept, noise reduction performance reaches as high as kuppe sandwich type entrant sound window construction of the present utility model 6dB。
Embodiment 2
A kind of kuppe truss core entrant sound window construction peculiar to vessel, the kuppe truss core entrant sound window construction peculiar to vessel include
Interior constraint surface layer 1, outer constraint surface layer 3 and the sandwich layer 2 of centre；The close adhesion of sandwich layer 2 is in interior constraint surface layer 1 and outer containment surfaces
Between layer 3；The interior constraint surface layer 1 and outer constraint surface layer 3 use fiber-reinforced resin matrix compound material, described sandwich layer 2 by
The three-dimensional lattice layer body that one or more layers three-dimensional lattice structured set is formed is formed；The material of the sandwich layer 2 and interior constraint surface layer 1
It is identical with the material of outer constraint surface layer 3.The sound transmitting window and kuppe are integral type, are easy to integral installation, avoid split type
Influence of the mounting structure of sound transmitting window to transducer performance.
Wherein, the interior constraint surface layer 1, sandwich layer 2 and outer constraint surface layer 3 are made of carbon fibre reinforced composite.
The three-dimensional lattice structure of the sandwich layer 2 is using tetrahedral three-dimensional structure, pyramid three-dimensional structure, the three-dimensional knot of D kagome types
Structure or brilliant three-dimensional structure.The outer constraint thickness of surface layer 3 be 3mm, and the interior thickness of surface layer 1 that constrains is 3mm, the sandwich layer
2 thickness are 30mm.
The kuppe sandwich type entrant sound window construction peculiar to vessel that the present embodiment proposes, realizing kuppe sandwich type sound transmitting window has
Insertion loss is small, specific strength is high, reduces the excellent properties such as self noise, wherein, insertion loss reduces by 73%, and specific strength improves
61%, self noise can reduce by 93%.Meanwhile the utility model proposes kuppe sandwich type entrant sound window construction peculiar to vessel solve it is existing
There is the problem of entrant sound window construction can not take into account high intensity and high sound transparency in technology, realize between high intensity and high sound transparency
Coordination takes into account, wherein, kuppe sandwich type entrant sound window construction of the present utility model makes intensity improve 70%, in the feelings of this high intensity
Under condition, sound translative performance reaches as high as 95%, and the kuppe sandwich type sound transmitting window structure composition peculiar to vessel that the present embodiment proposes is met
The requirement of the mechanics of kuppe, acoustics and noise reduction.
Embodiment 3
A kind of kuppe truss core entrant sound window construction peculiar to vessel, the kuppe truss core entrant sound window construction peculiar to vessel include
Interior constraint surface layer 1, outer constraint surface layer 3 and the sandwich layer 2 of centre；The close adhesion of sandwich layer 2 is in interior constraint surface layer 1 and outer containment surfaces
Between layer 3；The interior constraint surface layer 1 and outer constraint surface layer 3 are made of carbon fibre reinforced composite, described sandwich layer 2 by
The three-dimensional lattice layer body that one or more layers three-dimensional lattice structured set is formed is formed；The material of the sandwich layer 2 and interior constraint surface layer 1
It is identical with the material of outer constraint surface layer 3.The sound transmitting window and kuppe are integral type, are easy to integral installation, avoid split type
Influence of the mounting structure of sound transmitting window to transducer performance.
Wherein, the three-dimensional lattice structure of the sandwich layer 2 is using tetrahedral three-dimensional structure, pyramid three-dimensional structure, D
Kagome types three-dimensional structure or brilliant three-dimensional structure.The outer constraint thickness of surface layer 3 is 5mm, the interior constraint thickness of surface layer 1
For 5mm, the thickness of sandwich layer 2 is 40mm.
The kuppe sandwich type entrant sound window construction peculiar to vessel that the present embodiment proposes, realizing kuppe sandwich type sound transmitting window has
Insertion loss is small, specific strength is high, reduces the excellent properties such as self noise, wherein, insertion loss reduces by 70%, and specific strength improves
57%, self noise can reduce by 92%.Meanwhile the utility model proposes kuppe sandwich type entrant sound window construction peculiar to vessel solve it is existing
There is the problem of entrant sound window construction can not take into account high intensity and high sound transparency in technology, realize between high intensity and high sound transparency
Coordination takes into account, wherein, kuppe sandwich type entrant sound window construction of the present utility model makes intensity increase by 70%, in the feelings of this high intensity
Under condition, sound translative performance reaches as high as 93%, and the kuppe sandwich type sound transmitting window structure composition peculiar to vessel that the present embodiment proposes is met
The requirement of the mechanics of kuppe, acoustics and noise reduction.
Embodiment 4
The present embodiment is the further improvement of embodiment 1, specifically, in the present embodiment, the outer constraint thickness of surface layer 3 is
0.2mm, the interior constraint thickness of surface layer 1 are that the outer constraint thickness of surface layer 3 of 5mm or described is 5mm, and the interior constraint thickness of surface layer 1 is
0.2mm, the thickness of sandwich layer 2 are 40mm.
The kuppe sandwich type entrant sound window construction peculiar to vessel that the present embodiment proposes, by material, (fiber-reinforced resin base is compound
Material), the sandwich structure that is combined to form with the dot matrix sandwich layer of identical material of the different inside and outside constraint surface layer of thickness, realize and lead
Stream cover sandwich type sound transmitting window has that insertion loss is small, specific strength is high, reduces the excellent properties such as self noise, wherein, insertion loss drop
Low 73%, specific strength improves 67%, and self noise can reduce by 95%.Meanwhile the utility model proposes kuppe sandwich type peculiar to vessel
Entrant sound window construction solves the problems, such as that entrant sound window construction can not take into account high intensity and high sound transparency in the prior art, realize high-strength
Coordination between degree and high sound transparency takes into account, wherein, kuppe sandwich type entrant sound window construction of the present utility model increases intensity
76%, in the case of this high intensity, sound translative performance reaches as high as 94%, and the kuppe sandwich type peculiar to vessel that the present embodiment proposes is saturating
Sound window structure composition meets the requirement of the mechanics of kuppe, acoustics and noise reduction.
Embodiment 5
The difference of the present embodiment and embodiment 1 is pointed out to be, interior in the present embodiment to constrain surface layer 1, outer constraint surface layer 3 and core
Layer 2 is made of glass-reinforced plastic material, and the positional structure and size of three parts are same as Example 1.
Embodiment 6
The difference of the present embodiment and embodiment 1 is pointed out to be, interior in the present embodiment to constrain surface layer 1, outer constraint surface layer 3 and core
Layer 2 is made of titanium alloy, and the positional structure and size of three parts are same as Example 1.
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, is not departing from spirit and scope of the present utility model, can do various changes and modification, therefore
What the scope of protection of the utility model should be defined by claims is defined.
Claims (5)
- A kind of 1. kuppe truss core entrant sound window construction peculiar to vessel, it is characterised in that the kuppe truss core entrant sound peculiar to vessel Window construction includes the sandwich layer (2) of interior constraint surface layer (1), outer constraint surface layer (3) and centre；Sandwich layer (2) close adhesion is in interior Constrain between surface layer (1) and outer constraint surface layer (3)；The interior constraint surface layer (1) and outer constraint surface layer (3) use fiber reinforcement tree Resin-based composite or titanium alloy are made, and described sandwich layer (2) is the three-dimensional lattice layer body formed by three-dimensional lattice structured set； The material of the sandwich layer (2) is identical with the material of interior constraint surface layer (1) and outer constraint surface layer (3).
- 2. kuppe truss core entrant sound window construction peculiar to vessel according to claim 1, it is characterised in that the interior constraint surface layer (1) it is made with outer constraint surface layer (3) of fiberglass or carbon fibre reinforced composite.
- 3. kuppe truss core entrant sound window construction peculiar to vessel according to claim 1, it is characterised in that the sandwich layer (2) Three-dimensional lattice structure uses tetrahedral three-dimensional structure, pyramid three-dimensional structure, D kagome types three-dimensional structures or brilliant Three-dimensional structure.
- 4. kuppe truss core entrant sound window construction peculiar to vessel according to claim 1, it is characterised in that the sound transmitting window is with leading Stream cover is integral type, is easy to integral installation, avoids influence of the mounting structure to transducer performance of split type sound transmitting window.
- 5. according to any kuppe truss core entrant sound window construction peculiar to vessel of Claims 1-4, it is characterised in that described outer It is 0.2~5mm to constrain surface layer (3) thickness, and described interior constraint surface layer (1) thickness is 0.2~5mm, and sandwich layer (2) thickness is 25 ~40mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720703165.4U CN206840840U (en) | 2017-06-16 | 2017-06-16 | A kind of kuppe truss core entrant sound window construction peculiar to vessel |
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| CN201720703165.4U CN206840840U (en) | 2017-06-16 | 2017-06-16 | A kind of kuppe truss core entrant sound window construction peculiar to vessel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128018A (en) * | 2017-06-16 | 2017-09-05 | 哈尔滨工程大学船舶装备科技有限公司 | A kind of kuppe truss core entrant sound window construction peculiar to vessel |
| CN110043786A (en) * | 2019-04-15 | 2019-07-23 | 南京理工大学 | A kind of micro- truss truss core structure of improvement kagome and its calculation method |
-
2017
- 2017-06-16 CN CN201720703165.4U patent/CN206840840U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128018A (en) * | 2017-06-16 | 2017-09-05 | 哈尔滨工程大学船舶装备科技有限公司 | A kind of kuppe truss core entrant sound window construction peculiar to vessel |
| CN110043786A (en) * | 2019-04-15 | 2019-07-23 | 南京理工大学 | A kind of micro- truss truss core structure of improvement kagome and its calculation method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of sound transmission window structure with Lattice Sandwich Core for marine fairing Effective date of registration: 20200903 Granted publication date: 20180105 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN ENGINEERING UNIVERSITY SHIP EQUIPMENT & TECHNOLOGY Co.,Ltd. Registration number: Y2020230000009 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211011 Granted publication date: 20180105 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN ENGINEERING UNIVERSITY SHIP EQUIPMENT & TECHNOLOGY Co.,Ltd. Registration number: Y2020230000009 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Lattice Sandwich sound transmission window structure of marine shroud Effective date of registration: 20220104 Granted publication date: 20180105 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN ENGINEERING UNIVERSITY SHIP EQUIPMENT & TECHNOLOGY CO.,LTD. Registration number: Y2022230000005 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230215 Granted publication date: 20180105 Pledgee: Harbin Kechuang Financing Guarantee Co.,Ltd. Pledgor: HARBIN ENGINEERING UNIVERSITY SHIP EQUIPMENT & TECHNOLOGY CO.,LTD. Registration number: Y2022230000005 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |