CN102006535B - Packaging structure for vector hydrophone - Google Patents
Packaging structure for vector hydrophone Download PDFInfo
- Publication number
- CN102006535B CN102006535B CN 201010581155 CN201010581155A CN102006535B CN 102006535 B CN102006535 B CN 102006535B CN 201010581155 CN201010581155 CN 201010581155 CN 201010581155 A CN201010581155 A CN 201010581155A CN 102006535 B CN102006535 B CN 102006535B
- Authority
- CN
- China
- Prior art keywords
- circuit board
- pcb circuit
- vector hydrophone
- packaging structure
- mount pad
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to a vector hydrophone in the field of an MEMS (Micro Electro Mechanical System) sensor, in particular to a packaging structure for a vector hydrophone. The impacts of the packaging structure on a detection result are reduced. The packaging structure comprises two hemispherical perforated rubber caps and an annular mounting seat, wherein the upper end surface and the lower end surface of the annular mounting seat are respectively provided with a card slot, and brims and the card slots are glued by polyurethane; an annular mounting board is arranged in the annular mounting seat, and a PCB circuit board is fixed on the annular mounting board; the center of the PCB circuit board is provided with a mounting slot the middle part of which is in a through hole structure, and the PCB circuit board is integrated with a signal extracting and conditioning circuit; and a hemispherical shell body is filled with insulating liquid the density of which is same or similar with the density of water. The annular mounting seat is provided with two functional through holes, namely an injection hole and a mounting hole. The injection hole is used for pouring the insulating liquid into the hemispherical shell body, and the mounting hole is used for mounting an output cable which is connected with the output of the signal extracting and conditioning circuit on the PCB circuit board. The packaging structure has the advantages of simple and reasonable structure, novelty and low processing cost, is easy for manufacturing and is suitable for mass production.
Description
Technical field
The present invention relates to the vector hydrophone in the MEMS sensor field, specifically a kind of packaging structure for vector hydrophone.
Background technology
At present, the application of vector hydrophone in the MEMS sensor field so that underwater sonar information obtained huge raising, from originally only obtaining scalar information (acoustic pressure), bring up to the scalar information (acoustic pressure) of to obtain simultaneously, and the Vector Message (particle vibration velocity, acceleration etc.) of sound field, very be beneficial to the processing to sonar signal.And the effect of vector hydrophone and many factors are closely bound up, and wherein, encapsulating structure is a key factor that affects the vector hydrophone effect.Especially, along with the appearance of trivector hydrophone, whether encapsulating structure is reasonable, directly affects the propagation of acoustical signal, must affect the interior three-dimensional sensitive body of encapsulating structure to the detection sensitivity of all directions acoustical signal, and then affect trivector hydrophone to final detection result.
Summary of the invention
The present invention reduces encapsulating structure to the impact of testing result in order to improve the degree of accuracy of trivector hydrophone testing result, and a kind of packaging structure for vector hydrophone is provided.
The present invention adopts following technical scheme to realize: packaging structure for vector hydrophone comprises two semisphere sound transmitting rubber caps, is used for being fixedly connected with the spherical sound transmitting rubber cap of two halves in order to form the ring-type mount pad of spherical shell; The upper and lower end face of ring-type mount pad is respectively equipped with for the draw-in groove that fixes semisphere sound transmitting rubber cap shade, and between shade and draw-in groove with polyurethane sticking; Be provided with annular installing plate along its inwall in the ring-type mount pad, the annular installing plate is fixed with for the PCB circuit board that the vector hydrophone sensitive body is installed by bolt or screw, the central authorities of PCB circuit board are provided with for the mounting groove that the vector hydrophone sensitive body is installed, and the mounting groove middle part is through-hole structure, is integrated with the signal extraction modulate circuit that links to each other with the output of vector hydrophone sensitive body on the PCB circuit board; Fill with the iknsulating liquid identical or close with water-mass density in the spherical shell; Offer two function through holes on the ring-type mount pad: be used for the liquid injection hole to spherical shell perfusion in vivo iknsulating liquid, and be furnished with stopple; Be used for installing the mounting hole of the output cable that links to each other with signal extraction modulate circuit output on the PCB circuit board, and be provided with sealing between mounting hole and output cable.
The sound transmitting rubber cap that described semisphere sound transmitting rubber cap is made with the acoustics dosing technology for the polyurethane potting material that adopts high frequency, low decay, low infiltration.Described acoustics dosing technology is existing known technology.
Described iknsulating liquid adopts silicone oil, and silicone oil insulate, viscosity is low, damping is little, be difficult for the generation bubble, and all very approaching with density, velocity of wave and the characteristic impedance of water, and the premises can be determined by consulting related data.
Compared with prior art, encapsulating structure of the present invention adopts the spherical shell structure to realize, spherical shell consists of realization by ring-type mount pad and the spherical sound transmitting rubber cap of two halves that possesses good sound translative performance, its formation is rational in infrastructure, novel, and in spherical shell, fill with iknsulating liquid, strengthen the sound translative performance of encapsulating structure, reduced annular mount pad vibration to the impact of trivector hydrophone sensitive body; The vector hydrophone sensitive body is by the support of the PCB circuit board that is integrated with the signal extraction modulate circuit, be arranged at the center in the spherical shell, so that the responsive physical efficiency of vector hydrophone detects (namely so that place the comprehensive responsive underwater signal of the responsive physical efficiency of the interior vector hydrophone of spherical shell) to all directions acoustical signal, and in the upper and lower hemispheres of PCB circuit board central authorities-vector hydrophone sensitive body installation place perforation spherical shell, can effectively prevent center position generation Z-direction (i.e. the direction vertical with the PCB circuit board) acoustic reflection in the spherical shell, namely so that acoustical signal can not reflected by the PCB circuit board when acting in the trivector hydrophone sensitive body Z-direction sensing unit, and affect the measurement result of vector hydrophone, effectively reduced the impact on trivector hydrophone testing result and degree of accuracy thereof.Be enclosed construction of the present invention when protection trivector water is listened body sensitive body structure, can not affect and hinder again the trivector hydrophone sensitive body to the detection of all directions acoustical signal.
The present invention is simple and reasonable for structure, has novelty, and processing cost is low, is easy to make, and is fit to mass production; Being suitable for auxiliary trivector hydrophone is used for all kinds of civilian ships and keeps away the fields such as barrier, fishery are fished for, seafari.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of ring-type mount pad;
Fig. 3 is the structural representation of PCB circuit board;
Among the figure: 1,2-semisphere sound transmitting rubber cap; 3-ring-type mount pad; The 4-draw-in groove; 5-annular installing plate; The 6-PCB circuit board; The 7-mounting groove; The 8-iknsulating liquid; The 9-liquid injection hole; The 10-output cable; The 11-mounting hole; 12-vector hydrophone sensitive body.
Embodiment
As shown in drawings, packaging structure for vector hydrophone comprises two semisphere sound transmitting rubber caps 1,2, is used for being fixedly connected with the spherical sound transmitting rubber cap 1,2 of two halves in order to form the ring-type mount pad 3 of spherical shell; The upper and lower end face of ring-type mount pad 3 is respectively equipped with for the draw-in groove 4 that fixes semisphere sound transmitting rubber cap 1,2 shades, and 4 of shade and draw-in grooves are with polyurethane sticking; Ring-type mount pad 3 is interior to be provided with annular installing plate 5 along its inwall, annular installing plate 5 is fixed with for the PCB circuit board 6 that vector hydrophone sensitive body 12 is installed by bolt or screw, the central authorities of PCB circuit board 6 are provided with for the mounting groove 7 that vector hydrophone sensitive body 12 is installed, and mounting groove 7 middle parts are through-hole structure, are integrated with the signal extraction modulate circuit that links to each other with 12 outputs of vector hydrophone sensitive body on the PCB circuit board 6; Fill with the iknsulating liquid identical or close with water-mass density 8 in the spherical shell; Offer two function through holes on the ring-type mount pad 3: be used for the liquid injection hole 9 to spherical shell perfusion in vivo iknsulating liquid 8, and be furnished with stopple; The mounting hole 11 of the output cable 10 that links to each other with signal extraction modulate circuit output on the PCB circuit board 6 be used for to be installed, and mounting hole 11 and 10 of output cables are provided with sealing.
During implementation, for the ease of the installation of vector hydrophone sensitive body on the PCB circuit board, generally the signal extraction modulate circuit is located at the back side of PCB circuit board, i.e. the another side of vector hydrophone sensitive body installed surface on the PCB circuit board; In addition, encapsulating structure of the present invention will prevent that iknsulating liquid from leaking outside.
Claims (1)
1. a packaging structure for vector hydrophone is characterized in that: comprise two semisphere sound transmitting rubber caps (1,2); Be used for being fixedly connected with the spherical sound transmitting rubber caps of two halves (1,2) in order to form the ring-type mount pad (3) of spherical shell; The upper and lower end face of ring-type mount pad (3) is respectively equipped with for the draw-in groove (4) that fixes semisphere sound transmitting rubber cap (1,2) shade, and between shade and draw-in groove (4) with polyurethane sticking; Be provided with annular installing plate (5) along its inwall in the ring-type mount pad (3), annular installing plate (5) is fixed with for the PCB circuit board (6) that vector hydrophone sensitive body (12) is installed by bolt or screw, the central authorities of PCB circuit board (6) are provided with for the mounting groove (7) that vector hydrophone sensitive body (12) is installed, and mounting groove (7) middle part is through-hole structure, is integrated with the signal extraction modulate circuit that links to each other with vector hydrophone sensitive body (12) output on the PCB circuit board (6); Fill with the iknsulating liquid identical or close with water-mass density (8) in the spherical shell; Offer two function through holes on the ring-type mount pad (3): be used for the liquid injection hole (9) to spherical shell perfusion in vivo iknsulating liquid (8), and be furnished with stopple; Be used for installing the mounting hole (11) of the output cable (10) that links to each other with the upper signal extraction modulate circuit output of PCB circuit board (6), and be provided with sealing between mounting hole (11) and output cable (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010581155 CN102006535B (en) | 2010-12-10 | 2010-12-10 | Packaging structure for vector hydrophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010581155 CN102006535B (en) | 2010-12-10 | 2010-12-10 | Packaging structure for vector hydrophone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102006535A CN102006535A (en) | 2011-04-06 |
| CN102006535B true CN102006535B (en) | 2013-04-10 |
Family
ID=43813536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010581155 Expired - Fee Related CN102006535B (en) | 2010-12-10 | 2010-12-10 | Packaging structure for vector hydrophone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102006535B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506990A (en) * | 2011-11-09 | 2012-06-20 | 中北大学 | Columnar bionic vector hydrophone with two-dimensional resonance |
| CN109813416A (en) * | 2019-02-19 | 2019-05-28 | 中国人民解放军海军潜艇学院 | A kind of big depth synchronous vibration type vector hydrophone |
| CN114323254A (en) * | 2021-12-24 | 2022-04-12 | 西安交通大学 | Positioning device based on flexural electric acoustic pressure gradient measurement and working method thereof |
| CN117412218B (en) * | 2023-12-14 | 2024-05-07 | 青岛国数信息科技有限公司 | Hydrophone and manufacturing process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514919A (en) * | 2009-03-24 | 2009-08-26 | 中北大学 | Micro-electromechanical vector hydrophone |
| CN101738250A (en) * | 2009-12-30 | 2010-06-16 | 中北大学 | T-shaped sensitive body of vector hydrophone |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7719925B2 (en) * | 2005-10-14 | 2010-05-18 | The Johns Hopkins University | Vertical line hydrophone array |
-
2010
- 2010-12-10 CN CN 201010581155 patent/CN102006535B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514919A (en) * | 2009-03-24 | 2009-08-26 | 中北大学 | Micro-electromechanical vector hydrophone |
| CN101738250A (en) * | 2009-12-30 | 2010-06-16 | 中北大学 | T-shaped sensitive body of vector hydrophone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102006535A (en) | 2011-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102006535B (en) | Packaging structure for vector hydrophone | |
| CN101514919B (en) | Micro-electromechanical vector hydrophone | |
| CN103808403B (en) | Be applicable to the dynamo-electric vector hydrophone of receiving of deep water | |
| CN108327858B (en) | A kind of high stability underwater measurement platform | |
| CN107202632A (en) | Vector sensor unit for underwater surveillance net | |
| CN102853898A (en) | Three-dimensional MEMS (Micro-electromechanical System) monolithic integrated vector hydrophone | |
| CN112964897B (en) | Doppler transducer array with asymmetric structure | |
| CN101762322B (en) | Hydrophone phase conformance testing device | |
| CN1737511A (en) | Multi-piece integration type three-dimensional vector hydrophone apparatus | |
| CN203840541U (en) | Directional MEMS (Micro Electro Mechanical Systems) microphone and sound receiving device | |
| CN204831360U (en) | Seabed intelligence optic fibre integration monitoring system based on shimmer mechnical & electrical technology | |
| CN113155263A (en) | Vector hydrophone | |
| CN102879077B (en) | Co-vibrating vector hydrophone | |
| CN103528663A (en) | MEMS vector hydrophone encapsulation structure with vibration isolation function | |
| CN204330123U (en) | A kind of high hydrostatic pressure standard hydrophone | |
| CN102944297A (en) | Broadband vector hydrophone with glass fiber reinforced plastics acoustic transmission cap package | |
| CN105181118A (en) | Broadband MEMS vector hydrophone simulating seal beard | |
| CN102607694B (en) | Packaging structure for T-shaped sensitive body vector hydrophone | |
| CN103015980B (en) | A kind of infrasonic wave is launched and the producing fluid level instrument received and method thereof | |
| CN103557926A (en) | High-sensitivity wide-range bionic hydrophone based on nitrile butadiene rubber cap encapsulation | |
| CN205785499U (en) | Low height ultrasound probe | |
| CN101634587B (en) | Three-dimensional co-vibrating sandwich-type sonar receiver | |
| CN212645883U (en) | MEMS hydrophone | |
| CN2630849Y (en) | Three-axial acoustic emission probe | |
| CN110068310B (en) | High-reliability ocean turbulence sensing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiong Jijun Inventor after: Zhu Ping Inventor after: Zhang Guojun Inventor after: Xue Chenyang Inventor after: Guan Linggang Inventor after: Zhang Wendong Inventor after: Wang Xiaoyao Inventor after: Xu Jiao Inventor before: Xiong Jijun Inventor before: Zhang Guojun Inventor before: Xue Chenyang Inventor before: Guan Linggang Inventor before: Zhang Wendong Inventor before: Wang Xiaoyao Inventor before: Xu Jiao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XIONG JIJUN ZHANG GUOJUN XUE CHENYANG GUAN LINGGANG ZHANG WENDONG WANG XIAOYAO XU JIAO TO: XIONG JIJUN ZHU PING ZHANG GUOJUN XUE CHENYANG GUAN LINGGANG ZHANG WENDONG WANG XIAOYAO XU JIAO |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiong Jijun Inventor after: Zhu Ping Inventor after: Zhang Guojun Inventor after: Cui Yongjun Inventor after: Xue Chenyang Inventor after: Guan Linggang Inventor after: Zhang Wendong Inventor after: Wang Xiaoyao Inventor after: Xu Jiao Inventor before: Xiong Jijun Inventor before: Zhu Ping Inventor before: Zhang Guojun Inventor before: Xue Chenyang Inventor before: Guan Linggang Inventor before: Zhang Wendong Inventor before: Wang Xiaoyao Inventor before: Xu Jiao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XIONG JIJUN ZHU PING ZHANG GUOJUN XUE CHENYANG GUAN LINGGANG ZHANG WENDONGWANG XIAOYAO XU JIAO TO: XIONG JIJUN ZHU PING ZHANG GUOJUN CUI YONGJUN XUE CHENYANG GUAN LINGGANG ZHANG WENDONG WANG XIAOYAO XU JIAO |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20131210 |