CN206271414U - Watertight flextensional IV type transducers - Google Patents
Watertight flextensional IV type transducers Download PDFInfo
- Publication number
- CN206271414U CN206271414U CN201621406337.3U CN201621406337U CN206271414U CN 206271414 U CN206271414 U CN 206271414U CN 201621406337 U CN201621406337 U CN 201621406337U CN 206271414 U CN206271414 U CN 206271414U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- housing
- watertight cover
- watertight
- height
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Abstract
The utility model is related to underwater acoustic transducer technical field, especially a kind of watertight flextensional IV type transducers.Housing including both ends open, driving element is provided with housing, watertight cover plate and lower watertight cover plate are respectively arranged with two end faces up and down of the housing, sealing ring is provided between the housing and upper watertight cover plate and lower watertight cover plate, stretching screw is provided between the upper watertight cover plate and lower watertight cover plate, it is characterized in that, the strut perpendicular to upper watertight cover plate and lower watertight cover plate is additionally provided with the housing, the height of the strut is more than the height of housing, less than height sum after body height and sealing ring compression.The utility model uses strut between upper and lower watertight cover plate, solves the problems, such as to compress housing in deep water cover plate, and housing still is able to free vibration in deep water, it is ensured that radianting capacity does not decline, so that can be in deep underwater operation.
Description
Technical field
The utility model is related to underwater acoustic transducer technical field, especially a kind of watertight flextensional IV type transducers.
Background technology
Flextensional IV types transducer has a wide range of applications as the canonical form of low-frequency transducer, and its principle is driving element
General composition piezoelectric ceramics or magnetostriction materials is embedded in oval tube shell along long axis direction, and driving element is in long axis direction
The flexible flexural vibrations for causing housing, the displacement of elliptical tube long axis direction is exaggerated in short-axis direction amplitude, so that radiation sound
Ripple.
In order to farthest improve radianting capacity, elliptical tube enclosure interior should form cavity.In order to form cavity, most
Effective manner is the frame mode sealing in oval tube shell two ends watertight cover plate and sealing ring, and spiral shell is passed through between two cover plates
Bar is tensed.
The sealing structure mode of watertight cover plate and sealing ring requires that watertight cover plate compresses sealing ring, and forms certain compression
Amount, standard value is generally 20%, it is ensured that watertight.But in deep water, because the pressure of water is acted on, watertight cover plate will continue to compress rubber
Glue sealing ring, until watertight cover plate and vibration housing are fully contacted, this being fully contacted will influence hull vibration, cause radiation energy
Power declines, i.e., the structure can not be in deep underwater operation.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of watertight flextensional IV type transducers, can be in deep water
Middle work, will not cause the decline of radianting capacity.
In order to solve the above-mentioned technical problem, the utility model includes the housing of both ends open, and driving unit is provided with housing
Part, watertight cover plate and lower watertight cover plate, the housing and upper watertight are respectively arranged with two end faces up and down of the housing
Sealing ring is provided between cover plate and lower watertight cover plate, tension spiral shell is provided between the upper watertight cover plate and lower watertight cover plate
Bar, it is characterised in that the strut perpendicular to upper watertight cover plate and lower watertight cover plate is additionally provided with the housing, the strut
Highly more than the height of housing, less than height sum after body height and sealing ring compression.
Preferably, the strut is set near inner walls.
The utility model uses strut between upper and lower watertight cover plate, solves and compresses asking for housing in deep water cover plate
Topic, housing still is able to free vibration in deep water, it is ensured that radianting capacity does not decline, so that can be in deep underwater operation.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model；
Fig. 2 is top view of the present utility model.
Specific embodiment
Embodiment cited by the utility model, is only intended to help and understands the utility model, should not be construed as to this reality
With the restriction of novel protected scope, for those skilled in the art, the utility model thought is not being departed from
On the premise of, the utility model can also be made improvements and modifications, these are improved and modification also falls into the utility model right
In claimed scope.
As depicted in figs. 1 and 2, the utility model includes the housing 1 of both ends open, and housing 1 described in the present embodiment is ellipse
Shape tubulose, is provided with the driving element 2 being made up of piezoelectric ceramics or magnetostriction materials in housing 1, and up and down the two of the housing 1
Watertight cover plate 3 and lower watertight cover plate 4, the housing 1 and upper watertight cover plate 3 and lower watertight cover plate are respectively arranged with individual end face
Sealing ring 6 is provided between 4, when sealing ring 6 is set, a seal groove can be set on the end face of housing wall, it is described close
Seal is put into sealing ring.It is provided between the upper watertight cover plate 3 and lower watertight cover plate 4 for tensing the upper He of watertight cover plate 3
The screw rod 7 of lower watertight cover plate 4, is additionally provided with perpendicular to upper watertight cover plate 3 and lower watertight in the housing 1 near the inwall of housing 1
The strut 5 of cover plate 4, the height of the height more than housing 1 of the strut 5, height after being compressed less than the height of housing 1 and sealing ring 6
Sum.If the height of housing is h1, sealing ring groove depth h2, sealing ring line footpath d, according to standard, the height after sealing ring compression
H3=d × 80%, then the height h=h1+ (h3-h2) × 2 of strut.
Due to the presence of strut, in deep water, watertight cover plate produces pressure after being subject to hydraulic pressure, and pressure transmission to strut is protected
Oval tube shell has been demonstrate,proved not by upper and lower two pieces of watertight cover wrench systems, housing still is able to free vibration, it is ensured that radianting capacity not under
Drop, so that can be in deep underwater operation；It is this to change by the reasonable design of strut height and seal groove depth and body height
Enter not influence the watertight of sealing ring to act on.
Claims (2)
1. driving element is provided with the housing (1) of watertight flextensional IV type transducers, including both ends open, housing (1)
(2) watertight cover plate (3) and lower watertight cover plate (4), the shell, are respectively arranged with two end faces up and down of the housing (1)
Be provided with sealing ring (6) between body (1) and upper watertight cover plate (3) and lower watertight cover plate (4), the upper watertight cover plate (3) and under
Stretching screw (7) is provided between watertight cover plate (4), it is characterised in that be additionally provided with perpendicular to upper watertight in the housing (1)
Cover plate (3) and the strut (5) of lower watertight cover plate (4), the height of the height more than housing (1) of the strut (5), less than housing
(1) height sum after highly being compressed with sealing ring (6),
2. watertight flextensional IV type transducers according to claim 1, it is characterised in that the strut (5) is near shell
Body (1) inwall is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406337.3U CN206271414U (en) | 2016-12-20 | 2016-12-20 | Watertight flextensional IV type transducers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406337.3U CN206271414U (en) | 2016-12-20 | 2016-12-20 | Watertight flextensional IV type transducers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206271414U true CN206271414U (en) | 2017-06-20 |
Family
ID=59047253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621406337.3U Expired - Fee Related CN206271414U (en) | 2016-12-20 | 2016-12-20 | Watertight flextensional IV type transducers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206271414U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231594A (en) * | 2017-06-27 | 2017-10-03 | 哈尔滨工程大学 | Conformal driving IV type flextensional transducers |
| CN108305606A (en) * | 2018-01-22 | 2018-07-20 | 哈尔滨工程大学 | Low frequency mosaic elliptical ring energy converter |
| CN112822908A (en) * | 2020-08-31 | 2021-05-18 | 中国科学院声学研究所 | Multi-path heat dissipation structure for flextensional transducer |
-
2016
- 2016-12-20 CN CN201621406337.3U patent/CN206271414U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107231594A (en) * | 2017-06-27 | 2017-10-03 | 哈尔滨工程大学 | Conformal driving IV type flextensional transducers |
| CN107231594B (en) * | 2017-06-27 | 2019-09-27 | 哈尔滨工程大学 | Conformally Driven Type IV Flextensional Transducers |
| CN108305606A (en) * | 2018-01-22 | 2018-07-20 | 哈尔滨工程大学 | Low frequency mosaic elliptical ring energy converter |
| CN108305606B (en) * | 2018-01-22 | 2021-05-28 | 哈尔滨工程大学 | Low frequency inlaid elliptical ring transducer |
| CN112822908A (en) * | 2020-08-31 | 2021-05-18 | 中国科学院声学研究所 | Multi-path heat dissipation structure for flextensional transducer |
| CN112822908B (en) * | 2020-08-31 | 2021-10-22 | 中国科学院声学研究所 | A multi-channel heat dissipation structure for flextensional transducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |