CN203595548U - Device for fixing fibre optic hydrophone - Google Patents
Device for fixing fibre optic hydrophone Download PDFInfo
- Publication number
- CN203595548U CN203595548U CN201320497900.2U CN201320497900U CN203595548U CN 203595548 U CN203595548 U CN 203595548U CN 201320497900 U CN201320497900 U CN 201320497900U CN 203595548 U CN203595548 U CN 203595548U
- Authority
- CN
- China
- Prior art keywords
- fibre optic
- optic hydrophone
- package parts
- hydrophone
- rear portion
- 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 - Lifetime
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model relates to a device for fixing a fibre optic hydrophone, and the device comprises a pressureproof fibre-optic-hydrophone housing, a front packaging part, and a rear packaging part. The device is characterized in that the front packaging part and the rear packaging part are respectively fixed at the two ends of the fibre optic hydrophone, and respectively fixed on the pressureproof fibre-optic-hydrophone housing. The device provided by the utility model enables the fibre optic hydrophone not to directly contact with the pressureproof fibre-optic-hydrophone housing through the front and rear elastic-damping packaging parts. Therefore, when the fibre optic hydrophone works, the front and rear elastic-damping packaging parts can reduce the axial vibration and acceleration which are transmitted when the towed line array of the fibre optic hydrophone is located at the state of movement, so as to improve the sound sensitivity of the fibre optic hydrophone.
Description
Technical field
The utility model relates to Underwater Detection technical field, is specifically related to a kind of fibre optic hydrophone stationary installation.
Background technology
Fibre optic hydrophone is that it has important application at civil areas such as military and petroleum prospectings with the device as detection acoustical signal in Yu Haiyang and wide waters.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 various structures form, and distinguish and comprise bobbin-type from structure, F-P type, Sagnac type etc., wherein the fibre optic hydrophone with air chamber bobbin-type is widely used because it has the advantage such as high sensitivity, large band width.
Fibre optic hydrophone towing line array is a kind of sound section of shaking away from carrier, basic matrix variable depth, 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 cannot be avoided, beyond the measure such as buffering and vibration isolation of the eliminating of vibration noise vibration damping section, rear vibration damping section before taking, also require the fibre optic hydrophone in towing line array to have vibration negative function, acceleration sensitivity is low.
When fibre optic hydrophone towing line array is kept in motion, nautical receiving set acceleration is vector, and the acceleration acting on nautical receiving set can be decomposed into axial component and cross stream component.Bobbin-type fibre optic hydrophone, due to its axially symmetric structure, itself just have the effect of offsetting transverse acceleration, but its axial acceleration cannot 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, in the time that fibre optic hydrophone towing line array is kept in motion, fibre optic hydrophone is directly subject to axial vibration and the axial acceleration come from the transmission of fibre optic hydrophone pressure casing, and therefore audio sensitivity index is affected.
Summary of the invention
The purpose of this utility model is to reduce fibre optic hydrophone suffered vibration and axial acceleration problem of when work in order to solve, a kind of fibre optic hydrophone stationary installation is provided, can effectively reduce fibre optic hydrophone suffered vibration and acceleration action in the time that fibre optic hydrophone towing line array is kept in motion, thereby reduce fibre optic hydrophone acceleration sensitivity, improve audio sensitivity.
Technical solution of the present utility model is:
A kind of fibre optic hydrophone stationary installation, formed by fibre optic hydrophone pressure casing, anterior package parts, rear portion package parts, it is characterized in that: anterior package parts, rear portion package parts are separately fixed at behind the two ends of fibre optic hydrophone, anterior package parts, rear portion package parts are separately fixed on fibre optic hydrophone pressure casing again.
Described anterior package parts, rear portion package parts are cylindrical structural part, formed by rigidity outer ring and elasticity inner ring, 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 fibre optic hydrophone pressure casing, to reduce axial vibration and the axial acceleration brought when fibre optic hydrophone is subject to the motion of fibre optic hydrophone towing line array.
Two ends optical fiber in fibre optic hydrophone is connected with other parts in fibre optic hydrophone tow line array by the hole in the rigidity outer ring of anterior package parts, rear portion package parts or groove respectively.
The utility model is by anterior package parts, the rear portion package parts of elastic damping, fibre optic hydrophone is not directly contacted with its pressure casing, therefore when fibre optic hydrophone is worked, by anterior package parts, the rear portion package parts of elastic damping, can reduce while being kept in motion from 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.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model will be further described by reference to the accompanying drawings.
As shown in Figure 1, the utility model is made up of fibre optic hydrophone pressure casing 3, anterior package parts 1, rear portion package parts 4, anterior package parts 1, rear portion package parts 4 are separately fixed at behind the two ends of fibre optic hydrophone 2, and anterior package parts, rear portion package parts are separately fixed on fibre optic hydrophone pressure casing again.Described anterior package parts 1, rear portion package parts 4 are cylindrical structural part, formed by rigidity outer ring and elasticity inner ring, 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 pressure casing 3, to reduce axial vibration and the axial acceleration brought when fibre optic hydrophone 2 is subject to the motion of fibre optic hydrophone towing line array.Two ends optical fiber in fibre optic hydrophone 2 is connected with other parts in fibre optic hydrophone tow line array by the hole in the rigidity outer ring of anterior package parts 1, rear portion package parts 4 or groove respectively.
Claims (4)
1. a fibre optic hydrophone stationary installation, formed by fibre optic hydrophone pressure casing (3), anterior package parts (1), rear portion package parts (4), it is characterized in that: anterior package parts (1), rear portion package parts (4) are separately fixed at behind 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. fibre optic hydrophone stationary installation according to claim 1, it is characterized in that: described anterior package parts (1), rear portion package parts (4) are cylindrical structural part, formed by rigidity outer ring and elasticity inner ring, 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.
3. fibre optic hydrophone stationary installation according to claim 1, is characterized in that: the elasticity inner ring in anterior package parts (1), rear portion package parts (4) can make fibre optic hydrophone move vertically in fibre optic hydrophone pressure casing.
4. fibre optic hydrophone stationary installation according to claim 1, is characterized in that: the two ends optical fiber in fibre optic hydrophone is connected with the parts in fibre optic hydrophone tow line array by the hole in the rigidity outer ring of anterior package parts (1), rear portion package parts (4) or groove respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497900.2U CN203595548U (en) | 2013-08-14 | 2013-08-14 | Device for fixing fibre optic hydrophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497900.2U CN203595548U (en) | 2013-08-14 | 2013-08-14 | Device for fixing fibre optic hydrophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595548U true CN203595548U (en) | 2014-05-14 |
Family
ID=50676418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320497900.2U Expired - Lifetime CN203595548U (en) | 2013-08-14 | 2013-08-14 | Device for fixing fibre optic hydrophone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438979A (en) * | 2013-08-14 | 2013-12-11 | 武汉普惠海洋光电技术有限公司 | Fixing device for optical fiber hydrophone |
| CN107075940A (en) * | 2014-11-17 | 2017-08-18 | 哈里伯顿能源服务公司 | Hydrophone without inner lead |
-
2013
- 2013-08-14 CN CN201320497900.2U patent/CN203595548U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438979A (en) * | 2013-08-14 | 2013-12-11 | 武汉普惠海洋光电技术有限公司 | Fixing device for optical fiber hydrophone |
| CN107075940A (en) * | 2014-11-17 | 2017-08-18 | 哈里伯顿能源服务公司 | Hydrophone without inner lead |
| US11280926B2 (en) | 2014-11-17 | 2022-03-22 | Halliburton Energy Services, Inc. | Hydrophone having no internal leads |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |