CN104215318B - Novel optical fiber hydrophone probe packaging structure and optical fiber hydrophone array - Google Patents
Novel optical fiber hydrophone probe packaging structure and optical fiber hydrophone array Download PDFInfo
- Publication number
- CN104215318B CN104215318B CN201410429034.2A CN201410429034A CN104215318B CN 104215318 B CN104215318 B CN 104215318B CN 201410429034 A CN201410429034 A CN 201410429034A CN 104215318 B CN104215318 B CN 104215318B
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- sonic transducer
- hydrophone
- cable
- encapsulating structure
- 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.)
- Active
Links
- 239000000523 sample Substances 0.000 title claims abstract description 57
- 239000013307 optical fiber Substances 0.000 title claims abstract description 50
- 238000004806 packaging method and process Methods 0.000 title abstract description 4
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 17
- 229920002396 Polyurea Polymers 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000007789 sealing Methods 0.000 abstract description 2
- 229920000271 Kevlar® Polymers 0.000 abstract 2
- 239000004761 kevlar Substances 0.000 abstract 2
- 230000035699 permeability Effects 0.000 abstract 2
- 239000005022 packaging material Substances 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 10
- 239000000835 fiber Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
A novel optical fiber hydrophone probe packaging structure and an optical fiber hydrophone array comprise a shell, polyurea composite materials, armored optical cables, a pressing plate joint, a transition connecting sleeve, a Kevlar rope, an acoustic sensor and the like. The shell is the pressure-resistant packaging of the acoustic sensor, and the pressure resistance and the sound permeability of the probe are both considered. The polyurea composite material is a watertight packaging material and has excellent hydrophobicity and sound permeability. The connection package when many probes are arrayed adopts armoured optical cable, protects the optical fiber between the probes, and has good watertight and mechanical properties. Two ends of the acoustic sensor are connected with the armored optical cable through the pressure plate connector, a transition connecting sleeve is sleeved outside the pressure plate connector for sealing, and a plurality of fixing holes are formed in the connecting sleeve and used for fixing the Kevlar ropes, so that the tensile strength of the array detection cable is improved. Compared with the prior art, the invention has the advantages of high structural reliability, good water tightness, strong deep water pressure resistance and easy realization of engineering and batch assembly.
Description
Technical field
The invention belongs to sensory field of optic fibre, relate to a kind of novel optical fiber hydrophone probe encapsulating structure and optical fiber
Hydrophone array.
Background technology
Up to now, sound wave remains the most effective carrier in water medium and long distance transmission information.Fibre optic hydrophone
Being a kind of new type water acoustic signal sensor got up based on optical fiber, optronics technique development, it is military and the people
Important application is had with field.In military field, it is the core component of ASW sonar；At civil area, it
Can be used as seismic wave detection, oil seismic exploration, the locating fish etc..Compared with conventional piezoelectric hydrophone, it
Have sound pressure sensitivity height, bandwidth, electromagnetism interference, adverse environment resistant, light structure, the most passive,
It is prone to remote measurement and easily becomes the advantages such as large scale array.
Fibre optic hydrophone can be divided into interference-type, intensive properties, grating type etc., and wherein interference-type scheme is the most progressively
Full-fledged.The probe of interference-type scheme is based primarily upon Michelson's interferometer principle: sent by laser instrument
Laser is divided into two-way through bonder, and wherein a road constitutes pickup arm, reception sound wave modulation, another road structure
Become reference arm, it is provided that fixed phase.After two-beam is reflected mirror reflection, backspace bonder interferes, and interferes
Optical signal be converted into the signal of telecommunication through photodetector, just can pick up the information of sound wave through signal processing.
Fiber optic hydrophone unit application effect in Practical Project is closely bound up with many factors, its
Middle encapsulating structure is one of key factor affecting final performance.Encapsulating structure is the most reasonable, will directly affect
The detectivity of probe, the operability of group battle array, connection reliability and the service life of detection array.
The most general fiber optic hydrophone unit encapsulation is as follows with stranding mode: sonic transducer passes through some Kevs
Stay cord strings, and optical fiber is freely placed between sonic transducer；One from first to last it is cased with outside detection cable
Complete PU rubber hose, as protection packaging and water tight enclosure.Between sonic transducer, every one section away from
From placing a nylon support frame, in case PU rubber tube is flattened by hydraulic pressure.PU rubber tube and sonic transducer
Between irrigate the light wax oil of liquid, it is ensured that acoustical signal incoming.
This packaged type exposes many problems in practical engineering application, such as:
PU rubber tube quality is soft, and process of deployment is easily scratched by pointed structures part, or under water by biological damage；
In order to easy for installation, the external diameter of sonic transducer, less than the internal diameter of PU rubber tube, causes sonic transducer at rubber
Floating state it is in, it is impossible to produce with encapsulating structure and be connected reliably in pipe；Light wax oil is fluid, thermal expansion
Coefficient is big, and depositing period often can the phenomenon of fiber detection cable " bulge "；Kev stay cord is merely able to bear and draws
Power, the optical fiber between sonic transducer protects the most reliably, and encapsulation process is fragile；PU rubber tube is with light
The anti-deep water hydraulic pressure of wax oil is indifferent, along with the increase laying the degree of depth can cause detectivity quickly to reduce；
Stranding needs sonic transducer is first assembled into battle array, then overlaps outer layer PU rubber tube, and operating process is complicated, takies
Space, place is big；
Encapsulating structure the most more reliable, that be easier to assemble is to be badly in need of in current engineering process with stranding mode
The problem solved.
Summary of the invention
The technology of the present invention solves problem: overcome the deficiencies in the prior art, it is provided that a kind of novel optical fiber hydrophone
Probe encapsulating structure and Scale Fiber-Optic Hydrophone Array, reduce the encapsulating structure impact on probe detection sensitivity, with
Time more efficiently watertightness performance, deep water overpressure resistant performance are provided, and connection during Multi probe group battle array stranding can
By property and operability.
The technical solution of the present invention is:
A kind of novel optical fiber hydrophone probe encapsulating structure, including: shell, polyureas composite, armouring light
Cable, pressing plate joint, transition adapter sleeve, Kev stay cord, sonic transducer and optical fiber；
Sonic transducer is hollow tubular, and its two ends are connected by pressing plate joint and armored optical cable are fixing respectively, armour
The steel wire of dress optical cable termination is pressed on inside pressing plate joint, and the outside of pressing plate joint is cased with transition adapter sleeve, mistake
Polyureas composite is smeared at the two ends crossing adapter sleeve, for being sealed the junction of sonic transducer with armored optical cable；
Optical fiber passes from the armored optical cable of sonic transducer side, on the sensitive structure in the outside being wrapped in sonic transducer,
Pass from the armored optical cable of sonic transducer opposite side afterwards；
There is the flange of protrusion one end of transition adapter sleeve, and several fixing holes uniform on this flange, Kev draws
Rope is passed in the fixing hole from described flange and is fixed with flange by fixing hole；
Be cased with shell outside sonic transducer, the sidewall of shell have multiple sound penetrating hole, sonic transducer and shell it
Between space fill polyureas composite for by sonic transducer seal.
Described sonic transducer is interference type optical fiber hydrophone.
The aperture of described sound penetrating hole is 1.6～2mm, entrant sound rate > 95%.
Described shell uses 316L rustless steel passivated process, wall thickness 0.5～1mm.
Polyureas thickness of composite material 0.5～1mm is filled in space between described sonic transducer and shell.
The described Scale Fiber-Optic Hydrophone Array realized based on encapsulating structure, it is characterised in that including: a plurality of hydrophone
Detection cable, main cable and multiple connector box, every hydrophone detection cable all has multiple probe encapsulating structure；
Kev stay cord sequentially passes through the fixing hole in each probe encapsulating structure on hydrophone detection cable on flange, and
And fixed with flange by fixing hole；On every hydrophone detection cable, every four probe encapsulating structures are one group,
Distribute an optical fiber, this optical fiber and the type of attachment phase of four sonic transducers popped one's head in encapsulating structures in this group
With, it being Optical Fiber Winding on the sensitive structure in the outside of sonic transducer, this optical fiber is by this group four spy
After head encapsulating structure, optical fiber is directly from all probe encapsulation knots being arranged in after this group probe encapsulating structure
Structure passes inside sonic transducer, is connected in main cable eventually through connector box.
The quantity of encapsulating structure of popping one's head on described every hydrophone detection cable be 4n, n be positive integer.
The present invention solves existing PU rubber tube encapsulation scheme problem present in the engineer applied, its advantage
It is:
Stainless steel casing, armored optical cable, transition adapter sleeve are combined into the outer enclosure of detection cable, can keep away
Exempt from the scuffing of the procedures of establishment, prevent halobiontic destruction；Sonic transducer and encapsulating structure all use fastening
The mode that part connects, bonding strength is reliable and stable；The all solids of material that encapsulating structure is used, stable
Property good, it is simple to store；Optical fiber between sonic transducer passes armouring umbilical center, can be protected reliably
Protect；Shell have employed stainless steel material, it is possible to bears most hydraulic pressure, prevents hydraulic pressure to sonic transducer
Sensitivity produces impact；Cabling process can realize installing probe encapsulating structure step by step, and assembling mode flexibly may be used
Control, occupied ground space is little.
Accompanying drawing explanation
Fig. 1 is hydrophone list of the present invention probe encapsulating structure sectional view；
Fig. 2 is hydrophone list of the present invention probe encapsulating structure explosive view；
Fig. 3 is hydrophone Multi probe group battle array stranding schematic diagram of the present invention；
Fig. 4 is hydrophone array schematic diagram of the present invention.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the invention provides novel optical fiber hydrophone probe encapsulating structure, including:
Shell 101, polyureas composite 102, armored optical cable 103, pressing plate joint 104, transition adapter sleeve 105,
Kev stay cord 106, sonic transducer 201 and optical fiber 202；
Sonic transducer 201 is hollow tubular, for interference type optical fiber hydrophone.Its two ends are connect by pressing plate respectively
104 fixing with armored optical cable 103 are connected, and the steel wire of armored optical cable 103 termination is pressed on pressing plate joint
104 is internal, and connected mode has certain mechanical strength.The outside of pressing plate joint 104 is cased with transition and connects
Set 105, is designed as streamlined moulding, reduces resistance when pulling in water.The two ends of transition adapter sleeve 105
Smear polyureas composite 102, for being sealed the junction of sonic transducer 201 with armored optical cable 103.
Optical fiber 202 passes from the armored optical cable 103 of sonic transducer 201 side, is wrapped in sonic transducer 201
Outside sensitive structure on detect underwater sound signal, afterwards from the armored optical cable of sonic transducer 201 opposite side
Pass in 103.Armored optical cable 103 serves the effect of protection to the optical fiber 202 between probe.
There is the flange of protrusion one end of transition adapter sleeve 105, and on this flange, several fixing holes uniform, triumphant
The husband's stay cord 106 fixing hole from described flange pass and is fixed with flange by fixing hole, improve
The resistance to tension of detection cable.
Being cased with shell 101 outside sonic transducer 201, materials'use 316L rustless steel, for sonic transducer 201
Protection is provided, bears deep water hydraulic pressure；Multiple sound penetrating hole, the hole of described sound penetrating hole is had on the sidewall of shell 101
Footpath is 1.6～2mm so that it is mate with the Characteristic impedance of water, entrant sound rate > 95%.Sonic transducer 201 with
Space between shell 101 is filled polyureas composite 102 and is used for sealing sonic transducer 201, its acoustic resistance
Anti-characteristic and water matched well, watertightness is good, and water absorption rate and water penetration are extremely low, and service life is long.
The encapsulating structure provided according to the present invention, can form Scale Fiber-Optic Hydrophone Array, as shown in Figure 4, bag
Include: a plurality of hydrophone detection cable, main cable and multiple connector box, as it is shown on figure 3, A represents probe in figure
Encapsulating structure, B represents connector box, and C represents main fiber.Multiple probe is all had on every hydrophone detection cable
Encapsulating structure；Kev stay cord 106 sequentially passes through flange in each probe encapsulating structure on hydrophone detection cable
On fixing hole, and fixed with flange by fixing hole.Due to the optical coupler in sonic transducer 201
Technique limit, do and being merely able to accomplish that four probes share optical fiber more, therefore every hydrophone detects cable
On, every four probe encapsulating structures are one group, distributes a piece optical fiber 202, in this optical fiber 202 and this group four
The type of attachment of the sonic transducer 201 in individual probe encapsulating structure is identical, is optical fiber 202 and is wrapped in sound biography
On the sensitive structure in the outside of sensor 201.After this optical fiber 202 is by this group four probe encapsulating structure,
Cannot pop one's head in by sensitive other again, directly from all probe encapsulation knots being arranged in after this group probe encapsulating structure
In structure, sonic transducer 201 is internal passes, and is connected in main cable eventually through connector box.Every hydrophone is visited
Survey the quantity of encapsulating structure of popping one's head on cable be 4n, n be positive integer.
The premiere feature of hydrophone probe encapsulating structure is to provide protection for internal sonic transducer, prevents from letting slip
Journey or halobiontic destruction, and tolerance deep water hydraulic pressure.For preventing the shell of thin-walled at working depth hydraulic pressure
The lower flexing unstability of effect is flattened, and must is fulfilled between the wall thickness δ of shell, radius R, length L and hydraulic pressure P
Following condition:
Wherein E is the Young's modulus of material, and μ is Poisson's ratio.
Encapsulating structure is sound translative performance to be ensured while shielding, it is ensured that the detectivity of probe.
It is known that sound wave can be expressed as through different medium reflection coefficient of the sound intensity on interface:
Wherein z1、z2It is respectively the Characteristic impedance of two media, and the Characteristic impedance of propagation medium can be by
Following formula represents:
zmat=ρ c
Wherein ρ is Media density, and c is the velocity of sound in medium.
From formula, two media Characteristic impedance more coupling, sound reflecting is the least, and this is also the most conventional
Rubber tube is as the reason of the outer enclosure of hydrophone.Owing to present invention uses the shell of stainless steel,
Its Characteristic impedance does not mates with water, therefore to strengthen the transmission capacity of the underwater sound, needs on protection shell
Opening some entrant sound apertures, bore size needs to be optimized design, to mate the acoustic impedance of box hat.Have N
The steel plate acoustic impedance of individual aperture can be calculated by below equation:
Wherein ρ is the density of medium, and η is the coefficient of viscosity of medium, and d is the diameter of micropore.
Below in conjunction with specific embodiment, of the present invention hydrophone probe encapsulating structure and light are discussed in detail
Fine hydrophone array.
A kind of hydrophone probe encapsulating structure, sonic transducer employs interference type optical fiber hydrophone.Its two ends are divided
Tong Guo 316L stainless pressing plate joint and armored optical cable be fixing is connected.Armored optical cable uses light-duty steel band
Armored optical cable, innermost layer is that stricture of vagina steel band cable core is pricked in chromium plating, and mechanical performance is excellent.Optical fiber between probe passes
Armored optical cable center is also filled with fiber optic protection ointment, provides protection reliably for optical fiber.The internal envelope of armored optical cable
Filling two parallel reinforcement steel wires, the anti-torsion performance making optical cable is higher, can bear the pulling force of 1500N, termination
Steel wire be pressed on inside pressing plate joint, fixed form is reliable and stable.
The outside of pressing plate joint is cased with being similarly 316L stainless transition adapter sleeve, is designed as streamlined making
Type, reduces the resistance in water.There is the flange of protrusion one end of transition adapter sleeve, on this flange uniform four
Fixing hole, is passed in Kev stay cord fixing hole from described flange and is fixed with flange by fixing hole.
The line footpath of described Kev stay cord is 0.5mm, and sub-thread can bear > pulling force of 50kg, provide 200kg for detection cable
Above tensile strength.
It is cased with shell outside sonic transducer, uses 316L stainless steel material and through Defend salt fog Passivation Treatment, wall
The deep water hydraulic pressure (30MPa) of thick 1mm, the 3000M that maximum can be born.Shell upper shaft symmetrical machining 5
Group sound penetrating hole, sound penetrating hole aperture 1.6mm, be computed emulating entrant sound rate 95%.
Space between sonic transducer and shell and the two ends filling polyureas of transition adapter sleeve after having assembled
Composite seals.Polyurea layer thickness 0.5mm between sonic transducer and shell.Use bi-component
Polyureas composite, density of material 1.09g/cm3, velocity of sound 1470m/s, acoustic impedance and water matched well.
Hardening time 30min, tensile strength > 10MPa, elongation at break > 450%.With metal adhesion performance
Well, adhesive force > 13.7MPa.
According to above encapsulating structure, form Scale Fiber-Optic Hydrophone Array.Believe to detect the underwater sound of about 100Hz
Number, every hydrophone detection cable there are 128 probe encapsulating structures, interval 8m arranges probe encapsulating structure,
Every detection cable total length 1km；Kev stay cord sequentially passes through each probe encapsulating structure on hydrophone detection cable
Fixing hole on middle flange, and fixed with flange by fixing hole.Due to the bonder in sonic transducer
Technique limits, and on every hydrophone detection cable, every four probe encapsulating structures are one group, distribute an optical fiber.
This optical fiber is after sensitive this group four probe, it is impossible to other probes sensitive again, directly from being arranged in the spy of this group
All probe encapsulating structures after head encapsulating structure pass inside sonic transducer, eventually through connector box even
Receive in main cable.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (7)
1. a novel optical fiber hydrophone probe encapsulating structure, it is characterised in that including: shell (101),
Polyureas composite (102), armored optical cable (103), pressing plate joint (104), transition adapter sleeve (105),
Kev stay cord (106), sonic transducer (201) and optical fiber (202)；
Sonic transducer (201) is hollow tubular, and its two ends are respectively by pressing plate joint (104) and armouring light
Cable (103) is fixing to be connected, and the steel wire of armored optical cable (103) termination is pressed in pressing plate joint (104)
Portion, the outside of pressing plate joint (104) is cased with transition adapter sleeve (105), the two of transition adapter sleeve (105)
End smears polyureas composite (102), for by the company of sonic transducer (201) Yu armored optical cable (103)
Meet place to seal；Optical fiber (202) passes from the armored optical cable (103) of sonic transducer (201) side,
On the sensitive structure in the outside being wrapped in sonic transducer (201), afterwards from sonic transducer (201) opposite side
Armored optical cable (103) in pass；
There is the flange of protrusion one end of transition adapter sleeve (105), several fixing holes uniform on this flange,
The Kev stay cord (106) fixing hole from described flange passes and is fixed with flange by fixing hole；
Sonic transducer (201) outside is cased with shell (101), and the sidewall of shell (101) has multiple entrant sound
Hole, the space between sonic transducer (201) and shell (101) is filled polyureas composite (102) and is used
In sonic transducer (201) is sealed.
A kind of novel optical fiber hydrophone probe encapsulating structure the most according to claim 1, it is characterised in that:
Described sonic transducer (201) is interference type optical fiber hydrophone.
A kind of novel optical fiber hydrophone probe encapsulating structure the most according to claim 1, it is characterised in that:
The aperture of described sound penetrating hole is 1.6～2mm, entrant sound rate > 95%.
A kind of novel optical fiber hydrophone probe encapsulating structure the most according to claim 1, it is characterised in that:
Described shell (1) uses 316L rustless steel passivated process, wall thickness 0.5～1mm.
A kind of novel optical fiber hydrophone probe encapsulating structure the most according to claim 1, it is characterised in that:
Polyureas composite (102) is filled in space between described sonic transducer (201) and shell (101), thick
Degree 0.5～1mm.
6. the Scale Fiber-Optic Hydrophone Array realized based on the probe encapsulating structure described in claim 1, it is special
Levy and be to include: a plurality of hydrophone detection cable, main cable and multiple connector box, on every hydrophone detection cable
All there is multiple probe encapsulating structure；Kev stay cord (106) sequentially passes through each spy on hydrophone detection cable
Fixing hole on flange in head encapsulating structure, and fixed with flange by fixing hole；Every hydrophone detection
On cable, every four probe encapsulating structures are one group, distributes a piece optical fiber (202), this optical fiber (202) and
In this group, the type of attachment of the sonic transducer (201) in four probe encapsulating structures is identical, is optical fiber (202)
On the sensitive structure in the outside being wrapped in sonic transducer (201), this optical fiber (202) is by this group four
After probe encapsulating structure, optical fiber (202) directly owning after being arranged in this group probe encapsulating structure
In probe encapsulating structure, sonic transducer (201) is internal passes, and is connected in main cable eventually through connector box.
Scale Fiber-Optic Hydrophone Array the most according to claim 6, it is characterised in that: every hydrophone detection
The quantity of encapsulating structure of popping one's head on cable be 4n, n be positive integer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429034.2A CN104215318B (en) | 2014-08-27 | Novel optical fiber hydrophone probe packaging structure and optical fiber hydrophone array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429034.2A CN104215318B (en) | 2014-08-27 | Novel optical fiber hydrophone probe packaging structure and optical fiber hydrophone array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104215318A CN104215318A (en) | 2014-12-17 |
| CN104215318B true CN104215318B (en) | 2017-01-04 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5930203A (en) * | 1996-08-12 | 1999-07-27 | The United States Of America As Represented By The Secretary Of The Navy | Fiber Optic hydrophone array |
| KR20020034699A (en) * | 2000-11-03 | 2002-05-09 | 최동환 | Arrayal optical fiber hydrophone using michelson interferometer |
| CN102506990A (en) * | 2011-11-09 | 2012-06-20 | 中北大学 | Columnar bionic vector hydrophone with two-dimensional resonance |
| CN102607694A (en) * | 2011-12-09 | 2012-07-25 | 中北大学 | Packaging structure for T-shaped sensitive body vector hydrophone |
| CN103470901A (en) * | 2013-09-24 | 2013-12-25 | 中国船舶重工集团公司第七○二研究所 | Hydrophone installation seat |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5930203A (en) * | 1996-08-12 | 1999-07-27 | The United States Of America As Represented By The Secretary Of The Navy | Fiber Optic hydrophone array |
| KR20020034699A (en) * | 2000-11-03 | 2002-05-09 | 최동환 | Arrayal optical fiber hydrophone using michelson interferometer |
| CN102506990A (en) * | 2011-11-09 | 2012-06-20 | 中北大学 | Columnar bionic vector hydrophone with two-dimensional resonance |
| CN102607694A (en) * | 2011-12-09 | 2012-07-25 | 中北大学 | Packaging structure for T-shaped sensitive body vector hydrophone |
| CN103470901A (en) * | 2013-09-24 | 2013-12-25 | 中国船舶重工集团公司第七○二研究所 | Hydrophone installation seat |
Non-Patent Citations (1)
| Title |
|---|
| 分布反馈光纤激光水听器封装结构的设计;谭波 等;《光学精密工程》;20120831;第20卷(第8期);1691-1695 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2010336498B2 (en) | Detecting broadside and directional acoustic signals with a fiber optical distributed acoustic sensing (DAS) assembly | |
| US7548486B2 (en) | System for reducing towing noise in marine seismic survey streamers | |
| US7545703B2 (en) | Marine seismic streamer with varying spacer distances for reducing towing noise | |
| US7468932B2 (en) | System for noise attenuation in marine seismic streamers | |
| US7733740B2 (en) | Sensor mount for marine seismic streamer | |
| AU2007202352B2 (en) | Marine seismic streamer having soluble encapsulant surrounding seismic sensors therein | |
| US7881159B2 (en) | Seismic streamers which attentuate longitudinally traveling waves | |
| JP6510522B2 (en) | Sensor for detecting pressure waves in liquid | |
| US20060120675A1 (en) | Rugged fiber optic array | |
| AU2006200196A1 (en) | Apparatus for attenuating noise in marine seismic streamers | |
| GB2441195A (en) | Marine seismic streamer having acoustic isolation between strength members and sensor mounting spacer | |
| US20080186803A1 (en) | Fluid filled sensor mount for gel-filled streamer and streamer made therewith | |
| NO341505B1 (en) | Attenuation of noise in seismic streamers at varied sensor distance and position-dependent bandpass filters | |
| US20080008034A1 (en) | Marine seismic survey streamer configuration for reducing towing noise | |
| CN111412975A (en) | Embedded optical fiber laser hydrophone and array structure and cabling process thereof | |
| CN100349026C (en) | Rugged fiber optic array | |
| CN104215318B (en) | Novel optical fiber hydrophone probe packaging structure and optical fiber hydrophone array | |
| US7440644B2 (en) | Optical fibre sensor assembly | |
| CN104215318A (en) | Novel packaging structure for fiber optic hydrophone probe and fiber optic hydrophone array | |
| CN101915935A (en) | Fiber laser downhole geophone | |
| AU680489B2 (en) | Hydrophone carrier | |
| GB2439815A (en) | Marine seismic streamer with varying spacer distances for reducing towing noise |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |