CN217133363U - Balanced pressure-resistant structure for multi-beam transducer - Google Patents
Balanced pressure-resistant structure for multi-beam transducer Download PDFInfo
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- CN217133363U CN217133363U CN202220341628.8U CN202220341628U CN217133363U CN 217133363 U CN217133363 U CN 217133363U CN 202220341628 U CN202220341628 U CN 202220341628U CN 217133363 U CN217133363 U CN 217133363U
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Abstract
The utility model discloses a balanced pressure-resistant structure for a multi-beam transducer, which comprises a metal structure shell, a support reinforcing component, piezoelectric ceramics and a watertight housing, wherein the section of the metal structure shell is of a curve type, the piezoelectric ceramics is fixedly connected on the metal structure shell through the support reinforcing component, the watertight housing covers the piezoelectric ceramics, and the watertight housing is connected with the metal structure shell in a sealing way; the utility model discloses can make the multi-beam transducer keep invariable internal and external pressure under different water pressure operating mode, can completely cut off the noise and the vibration that come from hull self and external environment, keep the accuracy and the stability of surveying.
Description
Technical Field
The utility model belongs to the technical field of underwater acoustic transducer, concretely relates to balanced type withstand voltage structure for multi-beam transducer.
Background
The multi-beam sounding system is an important means for acquiring ocean water depth data and seabed topography, the deeper the sounding depth is, the larger the technical content is, and generally under the action of higher external pressure, a conventional structure or material is difficult to bear, so that the conventional structure or material is deformed and damaged to cause scrapping. Foreign related products have a long development history from shallow water to deep water multi-beam, and in China, in view of the higher development and use thresholds of the reclaimed water and deep water multi-beam depth sonar and combined with the urgent need of the shallow water multi-beam depth sonar in China, a large amount of manpower and material resources are put into domestic multi-professional teams in shallow water multi-beam depth sonar in the last 10 years, abundant research results are obtained, and the overall technical level is close to the international leading level. However, these pressure resistant multi-beam systems for both reclaimed and deepwater have been slow growing due to cost and market constraints.
Disclosure of Invention
The multi-beam transducer aims to overcome the defect that the existing multi-beam transducer cannot adapt to a deepwater high-pressure working environment. The utility model provides a withstand voltage structure of balanced type that is used for multi-beam transducer specially. The transducer external full-wrapping structure is used for replacing the traditional built-in half-wrapping structure, and internal and external pressures are balanced.
The technical scheme of the utility model as follows: the balanced pressure-resistant structure for the multi-beam transducer comprises a metal structure shell, a supporting and reinforcing component, piezoelectric ceramics and a watertight housing, wherein the cross section of the metal structure shell is of a curve type, the piezoelectric ceramics are fixedly connected to the metal structure shell through the supporting and reinforcing component, the piezoelectric ceramics are covered by the watertight housing, and the watertight housing is connected with the metal structure shell in a sealing manner. The piezoelectric ceramic is sealed by the watertight housing, the totally-wrapped structure can avoid the phenomenon of unbalanced pressure in the working process of the piezoelectric ceramic, the high-strength pressure resistance of the multi-beam transducer can be realized, and the production and manufacturing difficulty brought by a pressure-resistant metal structure is reduced.
Furthermore, the metal structure shell is arc-shaped, the supporting and reinforcing assembly comprises a metal supporting plate, a vibration isolating layer and metal connecting blocks, the inner side faces of the metal connecting blocks are concave faces with the same curvature as the metal structure shell, the metal connecting blocks are correspondingly bonded on the metal structure shell, and the outer side faces of the metal connecting blocks are planes.
Furthermore, the piezoelectric ceramics, the metal support plate and the vibration isolation layer are bonded together in a pressurizing mode, and the other surface of the vibration isolation layer is bonded on the outer side face of the metal connecting block.
Furthermore, the vibration isolation layer is made of polyurethane foam materials, and the metal supporting plate and the metal connecting block are connected in a positioning mode through the positioning pin. The vibration isolation layer is used for isolating mechanical vibration and noise from the ship body, and the vibration isolation layer has certain elasticity, so that the metal support plate, the vibration isolation layer and the metal connecting block are connected in a press bonding and locating pin locating mode, the effect of isolating the noise can be achieved, and the stability of the piezoelectric ceramics can be maintained.
Further, in order to ensure a good supporting effect, the size of the metal supporting plate is larger than that of the piezoelectric ceramic.
Furthermore, a watertight sound-transmitting medium is filled in the watertight housing, and the watertight sound-transmitting medium completely wraps the piezoelectric ceramic. The watertight sound-transmitting medium is full of the whole watertight housing, the piezoelectric ceramic is completely wrapped, and the piezoelectric ceramic is always in the middle of stable water pressure, so that no matter where the transducer is underwater, the influence of external water pressure cannot be received, the water pressure balance can be maintained, and the accurate detection is kept.
Compared with the prior art, the beneficial effects of the utility model are that: in the installation process of the multi-beam transducer, the problems of internal noise, external noise and vibration are solved as much as possible, the transducer is arranged outside a ship body, a full-wrapping structure is adopted, and a watertight sound-transmitting medium is filled in a watertight housing, so that the environmental noises such as external marine organisms, waves and other ship disturbances can be reduced, and the watertight sound-transmitting medium ensures that the water pressure borne by the piezoelectric ceramic is constant and cannot be influenced by the external water pressure; in addition, the vibration isolation layer can isolate mechanical noise, hull vibration and electronic noise from the self vibration of the hull and the generated noise, the stability of the piezoelectric ceramics is kept, and the working stability and the accuracy of the piezoelectric ceramics are effectively improved.
Drawings
Fig. 1 is a schematic cross-sectional view of a balanced type pressure-resistant structure of the multi-beam transducer of the present invention;
labeled as: the device comprises a metal structure shell 1, a support reinforcing component 2, a metal support plate 21, a vibration isolation layer 22, a metal connecting block 23, piezoelectric ceramics 3, a watertight housing 4 and a watertight sound-transmitting medium 5.
Detailed Description
The invention is further described with reference to the following figures and examples.
Fig. 1 shows a balanced type pressure-resistant structure for a multi-beam transducer of the present invention, which includes a metal structure housing 1, a support reinforcing component 2, a piezoelectric ceramic 3 and a watertight housing 4; piezoelectric ceramic 3 is through supporting reinforcement component 2 fixed connection on metal structure shell 1, and watertight housing 4 establishes including piezoelectric ceramic 3 covers, and sealing connection between watertight housing 4 and the metal structure shell 1 has filled watertight sound-transmitting medium 5 in the watertight housing 4, and watertight sound-transmitting medium 5 wraps up piezoelectric ceramic 3 completely.
The cross-section of the metal structure shell 1 is a curve, specifically, the metal structure shell 1 is arc-shaped, the support reinforcing component 2 comprises a metal support plate 21, a vibration isolation layer 22 and a metal connecting block 23, the inner side surface of the metal connecting block 23 is an inner concave surface with the same curvature as that of the metal structure shell 1, the metal connecting block 23 is correspondingly adhered to the metal structure shell 1, and the outer side surface of the metal connecting block 23 is a plane.
The piezoelectric ceramic 3, the metal support plate 21 and the vibration isolation layer 22 are bonded together in a pressurizing mode, the other surface of the vibration isolation layer 22 is bonded on the outer side surface of the metal connecting block 23, and in order to guarantee a good supporting effect, the size of the metal support plate 21 is larger than that of the piezoelectric ceramic 3; the vibration isolation layer 22 is made of polyurethane foam material, and the metal support plate 21 and the metal connecting block 23 are connected in a positioning manner through positioning pins. The vibration isolation layer 22 has certain elasticity, so the metal support plate 21, the vibration isolation layer 22 and the metal connecting block 23 are connected by adopting a pressing bonding and locating pin locating mode, the effect of isolating noise can be achieved, and the stability of the piezoelectric ceramic 3 can be maintained.
The piezoelectric ceramic 3 is sealed by the watertight housing 4, the totally-wrapped structure can avoid the phenomenon of unbalanced pressure in the working process of the piezoelectric ceramic 3, the high-strength pressure resistance of the multi-beam transducer can be realized, and the production and manufacturing difficulty caused by a pressure-resistant metal structure is reduced. The watertight sound-transmitting medium 5 is full of the whole watertight housing 4, completely wraps the piezoelectric ceramic 3, and the piezoelectric ceramic 3 is always in the middle of stable water pressure, so that no matter where the transducer is underwater, the influence of external water pressure cannot be received, the water pressure balance can be maintained, and the accurate detection is kept.
The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A balanced pressure resistant structure for a multi-beam transducer, characterized by: the section of the metal structure shell is a curve, the piezoelectric ceramic is fixedly connected to the metal structure shell through the supporting reinforcing component, the piezoelectric ceramic is covered by the watertight housing, and the watertight housing is connected with the metal structure shell in a sealing mode.
2. The balanced, pressure-resistant structure for a multi-beam transducer of claim 1, wherein: the metal structure shell is arc-shaped, the supporting and reinforcing assembly comprises a metal supporting plate, a vibration isolating layer and metal connecting blocks, the inner side faces of the metal connecting blocks are concave faces consistent with the curvature of the metal structure shell, the metal connecting blocks are correspondingly bonded on the metal structure shell, and the outer side faces of the metal connecting blocks are planes.
3. The balanced, pressure-resistant structure for a multi-beam transducer of claim 2, wherein: the piezoelectric ceramics, the metal supporting plate and the vibration isolation layer are bonded together in a pressurizing mode, and the other surface of the vibration isolation layer is bonded on the outer side face of the metal connecting block.
4. The balanced, pressure-resistant structure for a multi-beam transducer of claim 2, wherein: the vibration isolation layer is made of polyurethane foaming materials, and the metal supporting plate and the metal connecting block are connected in a positioning mode through the positioning pin.
5. The balanced, pressure-resistant structure for a multi-beam transducer of claim 2, wherein: the size of the metal support plate is larger than that of the piezoelectric ceramic.
6. The balanced, pressure-resistant structure for a multi-beam transducer of claim 2, wherein: the watertight sound-transmitting medium is filled in the watertight housing and completely wraps the piezoelectric ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220341628.8U CN217133363U (en) | 2022-02-18 | 2022-02-18 | Balanced pressure-resistant structure for multi-beam transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220341628.8U CN217133363U (en) | 2022-02-18 | 2022-02-18 | Balanced pressure-resistant structure for multi-beam transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217133363U true CN217133363U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220341628.8U Active CN217133363U (en) | 2022-02-18 | 2022-02-18 | Balanced pressure-resistant structure for multi-beam transducer |
Country Status (1)
| Country | Link |
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| CN (1) | CN217133363U (en) |
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2022
- 2022-02-18 CN CN202220341628.8U patent/CN217133363U/en active Active
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