CN203376052U - Vibration damping mechanism used for optical fiber hydrophone - Google Patents
Vibration damping mechanism used for optical fiber hydrophone Download PDFInfo
- Publication number
- CN203376052U CN203376052U CN201320390170.6U CN201320390170U CN203376052U CN 203376052 U CN203376052 U CN 203376052U CN 201320390170 U CN201320390170 U CN 201320390170U CN 203376052 U CN203376052 U CN 203376052U
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- Prior art keywords
- vibration damping
- fibre optic
- optical fiber
- optic hydrophone
- damper mechanism
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- 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.)
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Abstract
The utility model relates to an optical fiber hydrophone unit and aims to solve a technical problem for providing a vibration damping mechanism used for the optical fiber hydrophone. The vibration damping mechanism used for the optical fiber hydrophone is characterized in that the body of the vibration damping mechanism is a support frame (3) having a cylindrical structure and hanging rings (31) are distributed uniformly on inner peripheries of the upper end parts and the lower end parts of the support frame (3); the upper end and the lower end of an optical fiber hydrophone unit (4) are both provided with metal clamping rings (2) and hanging rings (21) are distributed uniformly on the outer peripheries of the metal clamping rings (2); and hooks on one ends of vibration damping springs (1) are used for hooking the hanging rings (31) arranged on the support frame (3) while hooks on the other ends of the vibration damping springs (1) are used for hooking the hanging rings (21) on the metal clamping rings (3), so that the optical fiber hydrophone unit (4) can be disposed in the support frame in a suspended manner. The vibration damping mechanism used for the optical fiber hydrophone provided by the utility model has advantages of being small in component quantity and simple in assembly. And the vibration damping mechanism used for the optical fiber hydrophone is unique in design and novel structure. Technical indexes such as vibration damping performance, shape, dimension, engineering adaptive capacity and the like of the vibration damping mechanism used for the optical fiber hydrophone all meet design requirements.
Description
Technical field
The utility model relates to sensory field of optic fibre, relates in particular to the fibre optic hydrophone unit.
Technical background
Optical fiber sensing technology is to follow light transmitting fiber and Fibre Optical Communication Technology to develop and a new technology of formation, is widely used in the fields such as space flight navigation, nuclear industry, bridge tunnel, building, oil exploitation, electric power transfer, medical treatment, scientific research.The research of fibre optic hydrophone has obtained huge advance made, and forward engineering, equipmentization stride forward.Due to the complicacy of sound field under water, single nautical receiving set unit is difficult to obtain the details of target, and therefore, fibre optic hydrophone is mainly with the array format application, and orthogonal array is a kind of application mode wherein.
In the orthogonal array application practice, find that the vibration of array element is easy to be transmitted to the responsive part in unit, cause the test signal noise of unit larger, the severe jamming measurement result.Restriction due to the array requirement of mechanical strength, if the responsive part in unit adopts and rigidly fixes connected mode with array element, the conduction of vibration noise will be difficult to eliminate, therefore, need to carry out vibration isolation to the responsive part in unit, be badly in need of the unit damper mechanism that development can meet the Array Design requirement.
The utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, and a kind of fibre optic hydrophone damper mechanism is provided, and can meet the vibration damping requirement.
For solving the problems of the technologies described above, technical solution of the present utility model is:
A kind of fibre optic hydrophone damper mechanism, it is characterized in that: the main body of described damper mechanism is a columnar structured bracing frame 3, affiliated bracing frame 3, for holding and protecting the fibre optic hydrophone unit 4 that needs vibration damping that is placed on its inside, is evenly distributed and is provided with suspension ring 31 on the inner periphery at support frame as described above both ends Shang Xia 3; Described fibre optic hydrophone unit all is equipped with metal clasp 2 in two ends Shang Xia 4, is evenly distributed on the excircle of metal clasp 2 and is provided with suspension ring 21; Described damper mechanism also comprises several shock-absorbing springs 1 that are separately positioned on two ends Shang Xia 4, fibre optic hydrophone unit, the two ends of described shock-absorbing spring 1 are provided with hook, the suspension ring 31 that one end is linked up with for and is arranged on bracing frame 3 connect, one end hook for and metal clasp 2 on suspension ring 21 link, for realizing unsettled bracing frame 3 inside that are placed in, fibre optic hydrophone unit 4.
Support frame as described above 3 is by four annulus 32 and the four rod members 33 columnar hardware that is welded; Four annulus 32 uniform arrangements vertically, four rod members 33 are uniform along annulus 32 circumferencial directions; The two ends annulus 32 of bracing frame 3 is uniformly distributed along the circumference and is respectively equipped with four suspension ring 31; Wherein the close two-end part of a rod member 33 is welded with respectively fixed connecting piece 34 for realizing being fixedly connected with of whole damper mechanism and array element.
Described metal clasp 2 is fastenedly connected and forms by bolt assembly 23 by two half slide structure parts that are divided into upper and lower two halves, and the snap ring inboard is provided with in the draw-in groove that annular solid 22 can be fastened on 4 ends, fibre optic hydrophone unit.
The utility model can bring following beneficial effect:
The utlity model has part few, assemble simple advantage; Design is unique, novel structure, and damper mechanism of the present utility model, its damping property, feature dimension, engineering are adaptable etc., and technical indicator all can meet designing requirement.
The accompanying drawing explanation
The structural representation that Fig. 1 is a preferred embodiment of the present utility model
The contour structures schematic diagram of the shock-absorbing spring that Fig. 2 is a preferred embodiment of the present utility model
The contour structures schematic diagram of the snap ring that Fig. 3 is a preferred embodiment of the present utility model
The bracing frame contour structures schematic diagram that Fig. 4 is a preferred embodiment of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The concrete structure schematic diagram that Fig. 1 is a preferred embodiment of the present utility model.In Fig. 1,1 is stainless shock-absorbing spring, and 2 is metal clasp, and 3 is bracing frame, and 4 for needing the fibre optic hydrophone unit of vibration damping, and 5 for being connected on fibre optic hydrophone unit 4 for the special-purpose flexible-cable of transmitting optical signal.Fibre optic hydrophone unit 4 by shock-absorbing spring 1 by unsettled bracing frame 3 inside that are placed in.
Figure 2 shows that the contour structures schematic diagram of the shock-absorbing spring 1 of a preferred embodiment of the present utility model.The two ends up and down of shock-absorbing spring 1 are equipped with hook.Shock-absorbing spring 1 is a stainless steel extension spring, and its parameter, according to requirements such as rigidity, service conditions, is determined through designing and calculating.
Figure 3 shows that the structural representation of the snap ring 2 of a preferred embodiment of the present utility model.Snap ring 2 is metal parts of realizing connecting between shock-absorbing spring 1 and fibre optic hydrophone unit 4 transition, two half slide structure parts that are divided into upper and lower two halves, two fastening bolt assemblies 23, consists of, and is laid with four suspension ring 21 on snap ring 2 excircles; Snap ring 2 inboards are provided with annular solid 22, and annular solid 22 is determined its size according to the draw-in groove of 4 ends, fibre optic hydrophone unit; While making two half slide structure parts of upper and lower two halves form snap ring 2 by screw association, annular solid 22 can be fastened in the draw-in groove of 4 ends, fibre optic hydrophone unit.
Figure 4 shows that the contour structures schematic diagram of the bracing frame 3 of a preferred embodiment of the present utility model.Bracing frame 3 main bodys are by four annulus 32 and the four rod members 33 cylindrical metal structural member that is welded, four annulus 32 uniform arrangements vertically; Four rod members 33 are uniform along annulus 32 circumferencial directions; The fixed-direction that the junction of four rod members 33 and two ends annulus 32 respectively is provided with 31, four suspension ring 31 of suspension ring, towards annulus 32 inboards, points to the center of circle of annulus 32; Wherein the close two-end part of a rod member 33 is welded with respectively fixed connecting piece 34 for realizing being fixedly connected with of whole damper mechanism and array element.
The present embodiment can, by selecting appropriate materials and relevant manufacturing process, be processed into corresponding part according to the engineering drawing of each workpiece.
At first, two cover snap rings 2 be installed to corresponding position, fibre optic hydrophone unit 4 and screw the position of fastening bolt assembly 23 to chucking;
Then, fibre optic hydrophone unit 4 with snap ring 2 is positioned in bracing frame 3 vertically, the suspension ring 31 of bracing frame 3 are one by one corresponding to the suspension ring 21 of snap ring 2, again the hook of stainless steel spring 1 one ends is caught on to suspension ring 21, other end hook catches on corresponding suspension ring 31, repeat above-mentioned fitting operation, until eight stainless steel springs 1 install.
Claims (3)
1. a fibre optic hydrophone damper mechanism, it is characterized in that: the main body of described damper mechanism is a columnar structured bracing frame (3), affiliated bracing frame (3), for holding and protecting the fibre optic hydrophone unit (4) that needs vibration damping that is placed on its inside, is evenly distributed and is provided with suspension ring (31) on the inner periphery at the upper and lower both ends of support frame as described above (3); Upper and lower two ends, described fibre optic hydrophone unit (4) are provided with metal clasp (2), are evenly distributed on the excircle of metal clasp (2) and are provided with suspension ring (21); Described damper mechanism also comprises several shock-absorbing springs (1) that are separately positioned on upper and lower two ends, fibre optic hydrophone unit (4), the two ends of described shock-absorbing spring (1) are provided with hook, the suspension ring (31) that one end is linked up with for and is arranged on bracing frame (3) link, one end hook for and metal clasp (2) on suspension ring (21) link, for realization by fibre optic hydrophone unit (4) unsettled bracing frame (3) inside that is placed in.
2. according to a kind of fibre optic hydrophone damper mechanism claimed in claim 1, it is characterized in that: support frame as described above (3) is by four annulus (32) and four rod members (33) the columnar hardware that is welded; Four annulus (32) uniform arrangement vertically, four rod members (33) are uniform along annulus (32) circumferencial direction; The two ends annulus (32) of bracing frame (3) is uniformly distributed along the circumference and is respectively equipped with four suspension ring (31); Wherein the close two-end part of a rod member (33) is welded with respectively fixed connecting piece (34) for realizing being fixedly connected with of whole damper mechanism and array element.
3. according to the described a kind of fibre optic hydrophone damper mechanism of claim 1 or 2, it is characterized in that: described metal clasp (2) is fastenedly connected and forms by bolt assembly (23) by two half slide structure parts that are divided into upper and lower two halves, and the snap ring inboard is provided with in the draw-in groove that annular solid (22) can be fastened on end, fibre optic hydrophone unit (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390170.6U CN203376052U (en) | 2013-07-02 | 2013-07-02 | Vibration damping mechanism used for optical fiber hydrophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390170.6U CN203376052U (en) | 2013-07-02 | 2013-07-02 | Vibration damping mechanism used for optical fiber hydrophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376052U true CN203376052U (en) | 2014-01-01 |
Family
ID=49838577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320390170.6U Expired - Lifetime CN203376052U (en) | 2013-07-02 | 2013-07-02 | Vibration damping mechanism used for optical fiber hydrophone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203376052U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387924A (en) * | 2015-12-31 | 2016-03-09 | 中国人民解放军国防科学技术大学 | Fiber optic vector hydrophone with posture self-correcting function |
| CN106762851A (en) * | 2016-11-15 | 2017-05-31 | 美的集团股份有限公司 | Bladeless fan |
| CN112924013A (en) * | 2021-01-28 | 2021-06-08 | 哈尔滨工程大学 | Acceleration-resistant optical fiber hydrophone probe device |
-
2013
- 2013-07-02 CN CN201320390170.6U patent/CN203376052U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387924A (en) * | 2015-12-31 | 2016-03-09 | 中国人民解放军国防科学技术大学 | Fiber optic vector hydrophone with posture self-correcting function |
| CN105387924B (en) * | 2015-12-31 | 2018-06-26 | 中国人民解放军国防科学技术大学 | A kind of optical fiber vector hydrophone with posture self-rectification function |
| CN106762851A (en) * | 2016-11-15 | 2017-05-31 | 美的集团股份有限公司 | Bladeless fan |
| CN106762851B (en) * | 2016-11-15 | 2019-08-30 | 美的集团股份有限公司 | Bladeless fan |
| CN112924013A (en) * | 2021-01-28 | 2021-06-08 | 哈尔滨工程大学 | Acceleration-resistant optical fiber hydrophone probe device |
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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: 20140101 |