CN103438979A - Fixing device for optical fiber hydrophone - Google Patents
Fixing device for optical fiber hydrophone Download PDFInfo
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- CN103438979A CN103438979A CN2013103547148A CN201310354714A CN103438979A CN 103438979 A CN103438979 A CN 103438979A CN 2013103547148 A CN2013103547148 A CN 2013103547148A CN 201310354714 A CN201310354714 A CN 201310354714A CN 103438979 A CN103438979 A CN 103438979A
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- package parts
- fibre optic
- optic hydrophone
- optical fiber
- rear portion
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Abstract
The invention relates to a fixing device for an optical fiber hydrophone. The fixing device for the optical fiber hydrophone is composed of an optical fiber hydrophone protection outer shell, a front portion encapsulating component and a rear portion encapsulating component. The fixing device for the optical fiber hydrophone is characterized in that the front portion encapsulating component and the rear portion encapsulating component are fixed at the two ends of the optical fiber hydrophone respectively, and then the front portion encapsulating component and the rear portion encapsulating component are further fixed on the optical fiber hydrophone protection outer shell respectively. According to the fixing device for the optical fiber hydrophone, the optical fiber hydrophone is made not to make direct contact with the optical fiber hydrophone protection outer shell through the elastic vibration reducing front portion encapsulating component and the elastic vibration reducing rear portion encapsulating component, therefore, when the optical fiber hydrophone works, axial vibration and axial acceleration which are transmitted when the optical fiber hydrophone drag linear array is in a moving state can be reduced through the elastic vibration reducing front portion encapsulating component and the elastic vibration reducing rear portion encapsulating component, and thus the sound sensitivity of the optical hydrophone can be improved.
Description
Technical field
The present invention relates to the Underwater Detection technical field, be specifically related to a kind of fibre optic hydrophone stationary installation.
Background technology
Fibre optic hydrophone is to detect the device of acoustical signal with conduct in Yu Haiyang and wide waters, and it has important application at civil areas such as military and petroleum prospectings.In military field, it is the core component of ASW sonar, and at civil area, it can be used as seismic event detection, oil seismic exploration, ocean fishing group detection etc.Fibre optic hydrophone has the various structures form, and distinguish and to comprise bobbin-type from structure, the F-P type, Sag nac types etc., wherein have the advantages such as high sensitivity, large band width with the fibre optic hydrophone of air chamber bobbin-type and be widely used because of it.
The fibre optic hydrophone towing line array is a kind of sound section of shaking away from carrier, basic matrix variable depth, the towing speed variation range is large, monitoring range is far away passive-type sonar.Its noise is mainly derived from vibration noise and the natural noise that dispersing of towing cable shake, eddy current and drag variation etc. cause, natural noise can't be avoided, beyond the measures such as the buffering of the eliminating of vibration noise vibration damping section, rear vibration damping section before taking and vibration isolation, also require the fibre optic hydrophone in towing line array to have the vibration negative function, acceleration sensitivity is low.
When the fibre optic hydrophone towing line array is kept in motion, the nautical receiving set acceleration is vector, and the acceleration acted on nautical receiving set can be decomposed into axial component and cross stream component.The bobbin-type fibre optic hydrophone, due to its axially symmetric structure, the effect of offsetting transverse acceleration is just arranged itself, but its axial acceleration can't be offset.Therefore, in design, main consideration reduces axial acceleration sensitivity and reduces the suffered vibration of fibre optic hydrophone.
Fibre optic hydrophone in the past directly contacts with pressure casing, when the fibre optic hydrophone towing line array is kept in motion, fibre optic hydrophone directly is subject to axial vibration and the axial acceleration come from the transmission of fibre optic hydrophone pressure casing, and therefore the audio sensitivity index is affected.
Summary of the invention
The objective of the invention is in order to solve vibration and axial acceleration problem suffered while reducing fibre optic hydrophone work, a kind of fibre optic hydrophone stationary installation is provided, can effectively reduce fibre optic hydrophone suffered vibration and acceleration action when the fibre optic hydrophone towing line array is kept in motion, thereby reduce the fibre optic hydrophone acceleration sensitivity, improve audio sensitivity.
Technical solution of the present invention is:
A kind of fibre optic hydrophone stationary installation, by fibre optic hydrophone guard shield, anterior package parts, rear portion package parts, formed, it is characterized in that: after anterior package parts, rear portion package parts are separately fixed at the two ends of fibre optic hydrophone, anterior package parts, rear portion package parts are separately fixed on the fibre optic hydrophone pressure casing again.
Described anterior package parts, rear portion package parts are the cylindrical structural part, by rigidity outer ring and elasticity inner ring, formed, the rigidity outer ring of anterior package parts, rear portion package parts is fixed with fibre optic hydrophone pressure casing two ends respectively, and the elasticity inner ring of anterior package parts, rear portion package parts is fixed with fibre optic hydrophone respectively.
Elasticity inner ring in anterior package parts, rear portion package parts can make fibre optic hydrophone move by a small margin vertically in the fibre optic hydrophone guard shield, to reduce when fibre optic hydrophone is subject to the motion of fibre optic hydrophone towing line array axial vibration and the axial acceleration of bringing.
Two ends optical fiber in fibre optic hydrophone is connected with other parts in fibre optic hydrophone tow line array by Zhong hole, rigidity outer ring or the groove of anterior package parts, rear portion package parts respectively.
The present invention is by anterior package parts, the rear portion package parts of elastic damping, fibre optic hydrophone is not directly contacted with its pressure casing, when therefore fibre optic hydrophone is worked, anterior package parts, rear portion package parts by elastic damping, can reduce while being kept in motion from the fibre optic hydrophone towing line array and transmit axial vibration and the axial acceleration of coming, to improve the audio sensitivity of fibre optic hydrophone.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
The invention will be further described by reference to the accompanying drawings.
As shown in Figure 1, the present invention is comprised of fibre optic hydrophone guard shield 3, anterior package parts 1, rear portion package parts 4, after anterior package parts 1, rear portion package parts 4 are separately fixed at the two ends of fibre optic hydrophone 2, anterior package parts, rear portion package parts are separately fixed on the fibre optic hydrophone pressure casing again.Described anterior package parts 1, rear portion package parts 4 are the cylindrical structural part, by rigidity outer ring and elasticity inner ring, formed, the rigidity outer ring of anterior package parts 1, rear portion package parts 4 is fixed with fibre optic hydrophone pressure casing 3 two ends respectively, and the elasticity inner ring of anterior package parts 1, rear portion package parts 4 is fixing with fibre optic hydrophone 2 respectively.Elasticity inner ring in anterior package parts 1, rear portion package parts 4 can make fibre optic hydrophone 2 move by a small margin vertically in fibre optic hydrophone guard shield 3, to reduce when fibre optic hydrophone 2 is subject to the motion of fibre optic hydrophone towing line array axial vibration and the axial acceleration of bringing.Two ends optical fiber in fibre optic hydrophone 2 is connected with other parts in fibre optic hydrophone tow line array by Zhong hole, rigidity outer ring or the groove of anterior package parts 1, rear portion package parts 4 respectively.
Claims (4)
1. a fibre optic hydrophone stationary installation, by fibre optic hydrophone guard shield (3), anterior package parts (1), rear portion package parts (4), formed, it is characterized in that: after anterior package parts (1), rear portion package parts (4) are separately fixed at the two ends of fibre optic hydrophone (2), anterior package parts (1), rear portion package parts (4) are separately fixed on fibre optic hydrophone pressure casing (3) again.
2. novel optical fiber nautical receiving set stationary installation according to claim 1, it is characterized in that: described anterior package parts (1), rear portion package parts (4) are the cylindrical structural part, by rigidity outer ring and elasticity inner ring, formed, (3) are fixed with fibre optic hydrophone pressure casing two ends respectively in the rigidity outer ring of anterior package parts (1), rear portion package parts (4), and the elasticity inner ring of anterior package parts (1), rear portion package parts (4) is fixing with fibre optic hydrophone (2) respectively.
3. novel optical fiber nautical receiving set stationary installation according to claim 1, it is characterized in that: the elasticity inner ring in anterior package parts (1), rear portion package parts (4) can make fibre optic hydrophone move by a small margin vertically in the fibre optic hydrophone guard shield.
4. fibre optic hydrophone stationary installation according to claim 1, it is characterized in that: the two ends optical fiber in fibre optic hydrophone is connected with other parts in fibre optic hydrophone tow line array by Zhong hole, rigidity outer ring or the groove of anterior package parts (1), rear portion package parts (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103547148A CN103438979A (en) | 2013-08-14 | 2013-08-14 | Fixing device for optical fiber hydrophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103547148A CN103438979A (en) | 2013-08-14 | 2013-08-14 | Fixing device for optical fiber hydrophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103438979A true CN103438979A (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103547148A Pending CN103438979A (en) | 2013-08-14 | 2013-08-14 | Fixing device for optical fiber hydrophone |
Country Status (1)
| Country | Link |
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| CN (1) | CN103438979A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337117A (en) * | 2020-04-14 | 2020-06-26 | 青岛海洋科学与技术国家实验室发展中心 | Optical fiber laser hydrophone |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470199A (en) * | 2007-12-28 | 2009-07-01 | 中国科学院声学研究所 | Laying type conformal array sonar apparatus based on interference type optical fiber hydrophone |
| CN101504457A (en) * | 2007-12-28 | 2009-08-12 | 中国科学院声学研究所 | Laying type conformal array sonar apparatus based on optical fiber grating type optical fiber hydrophone |
| CN101598594A (en) * | 2009-06-17 | 2009-12-09 | 中国科学院半导体研究所 | Optical fiber hydrophone towed array protection bracket |
| US20120093463A1 (en) * | 2009-05-29 | 2012-04-19 | Ixblue | Fiber bragg grating hydrophone comprising a diaphragm amplifier |
| WO2012140179A1 (en) * | 2011-04-14 | 2012-10-18 | Thales | All-optical hydrophone that is not sensitive to temperature or static pressure |
| CN203595548U (en) * | 2013-08-14 | 2014-05-14 | 武汉普惠海洋光电技术有限公司 | Device for fixing fibre optic hydrophone |
-
2013
- 2013-08-14 CN CN2013103547148A patent/CN103438979A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470199A (en) * | 2007-12-28 | 2009-07-01 | 中国科学院声学研究所 | Laying type conformal array sonar apparatus based on interference type optical fiber hydrophone |
| CN101504457A (en) * | 2007-12-28 | 2009-08-12 | 中国科学院声学研究所 | Laying type conformal array sonar apparatus based on optical fiber grating type optical fiber hydrophone |
| US20120093463A1 (en) * | 2009-05-29 | 2012-04-19 | Ixblue | Fiber bragg grating hydrophone comprising a diaphragm amplifier |
| CN101598594A (en) * | 2009-06-17 | 2009-12-09 | 中国科学院半导体研究所 | Optical fiber hydrophone towed array protection bracket |
| WO2012140179A1 (en) * | 2011-04-14 | 2012-10-18 | Thales | All-optical hydrophone that is not sensitive to temperature or static pressure |
| CN203595548U (en) * | 2013-08-14 | 2014-05-14 | 武汉普惠海洋光电技术有限公司 | Device for fixing fibre optic hydrophone |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337117A (en) * | 2020-04-14 | 2020-06-26 | 青岛海洋科学与技术国家实验室发展中心 | Optical fiber laser hydrophone |
| CN111337117B (en) * | 2020-04-14 | 2022-07-05 | 青岛海洋科学与技术国家实验室发展中心 | Optical fiber laser hydrophone |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |