CN205748625U - A kind of single end face reciprocity device for the test of underwater sound low-frequency sound source - Google Patents
A kind of single end face reciprocity device for the test of underwater sound low-frequency sound source Download PDFInfo
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- CN205748625U CN205748625U CN201620390803.7U CN201620390803U CN205748625U CN 205748625 U CN205748625 U CN 205748625U CN 201620390803 U CN201620390803 U CN 201620390803U CN 205748625 U CN205748625 U CN 205748625U
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- Prior art keywords
- face
- test
- single end
- reciprocity device
- sound source
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Abstract
This utility model relates to a kind of single end face reciprocity device for the test of underwater sound low-frequency sound source, including: housing (1), crossbeam (2), vibrator (3), push rod (4), reluctance head (5), reluctance head base (6), end face thin plate (8), endless metal ring (9), suspension rod (11) is installed；Described vibrator (3) and the central axes of described housing (1), and it is internal to be fixedly mounted on described housing (1) by described crossbeam (2)；The power output ejector pin of described vibrator (3), described push rod (4), described reluctance head (5), described reluctance head base (6), described end face thin plate (8) are sequentially connected in series in accordance with the order from top to bottom；Described push rod (4) realizes being connected or disconnection with the fixing of described reluctance head (5), so that described single end face reciprocity device switches between emission state and reception state by rotating.
Description
Technical field
This utility model relates to acoustic measuring technique field, particularly to a kind of list for the test of underwater sound low-frequency sound source
End face reciprocity device.
Background technology
Along with the progress of underwater acoustic technology, one of development trend of underwater sound sound source is to develop, thereupon to low frequency direction
Underwater sound sound source low frequency measurement technology is proposed corresponding requirement.Acoustic propagation characteristic in water and the feature of underwater acoustic measurement
Determining underwater sound sound source at non-free field environment, the low-frequency test under the conditions of limited water field is the most difficult in other words.
Method of testing based on power sound principle of reciprocity provides a kind of approach solving this problem.Patent No. ZL
The Chinese patent of 201520753800.0 " the power sound reciprocity device of a kind of Double End for low-frequency sound source test " and
Chinese patent application " the power sound of a kind of Double End for low-frequency sound source test of Application No. 201510622864.1
Reciprocity apparatus and method ", use symmetrical cavity body structure to realize the reciprocity of device.The method is feasible, but simultaneously because
Requiring two cavitys, especially vibrational structure is completely the same, the highest to processing and the required precision installed.
Utility model content
The purpose of this utility model is to overcome existing underwater sound low-frequency sound source test device to want processing and installation accuracy
Seek the highest defect, thus a kind of simple in construction, handling ease, test device easy to use are provided.
To achieve these goals, this utility model provide a kind of for the underwater sound low-frequency sound source test single end face mutual
Easily device, including: housing 1, crossbeam 2, vibrator 3, push rod 4, reluctance head 5, reluctance head base 6, end face
Thin plate 8, endless metal ring 9, suspension rod 11 is installed；
Wherein, described vibrator 3 and the central axes of described housing 1, and by the described fixing peace of crossbeam 2
It is contained in described housing 1 internal；The power output ejector pin of described vibrator 3, described push rod 4, described reluctance head 5, institute
State reluctance head base 6, described end face thin plate 8 is sequentially connected in series in accordance with the order from top to bottom；Described push rod 4 leads to
Cross rotation to realize being connected or disconnection with the fixing of described reluctance head 5, so that described single end face reciprocity device is being launched
Switch between state and reception state.
In technique scheme, between described reluctance head base 6 and described end face thin plate 8, small rubber is installed
Sealing ring 7.
In technique scheme, between described end face thin plate 8 and described housing 1, big rubber seal is installed
10。
In technique scheme, described end face thin plate 8 is fixedly mounted on described by endless metal ring and bolt
The end of housing 1.
In technique scheme, symmetrical structure centered by described housing, including cylindric or square.
In technique scheme, described reluctance head 5 when mounted, its power sensitivity end and described end face thin plate 8
Contact.
In technique scheme, described single end face reciprocity device bottom in use is immersed in the water, and surfaces in top.
In technique scheme, described single end face reciprocity device is after airtight and watertight process, it is possible to all put
Enter in water and use.
Advantage of the present utility model:
This utility model is applicable to the test of limited water field underwater sound low-frequency sound source, this apparatus structure is simple, handling ease,
Integrated level is high, transports, installs, uses and be quite convenient to.
Accompanying drawing explanation
Fig. 1 is the perspective view of single end face reciprocity device of the present utility model；
Fig. 2 is the front section view of single end face reciprocity device of the present utility model.
Drawing explanation
1, cylindrical housings 2, crossbeam
3, vibrator 4, push rod
5, reluctance head 6, reluctance head base
7, small rubber sealing ring 8, end face thin plate
9, endless metal ring 10, big rubber seal
11, suspension rod is installed
Detailed description of the invention
In conjunction with accompanying drawing, the utility model will be further described.
In conjunction with accompanying drawing, the utility model will be further described.
As shown in Figure 1, 2, this utility model provides a kind of single end face reciprocity dress for the test of underwater sound low-frequency sound source
Putting, this device is cylindrical, comprising: cylindrical housings 1, crossbeam 2, vibrator 3, push rod 4, reluctance head 5,
Reluctance head base 6, end face thin plate 8, small rubber sealing ring 7, big rubber seal 10, endless metal ring 9, peace
Dress suspension rod 11.
Described vibrator 3 and the central axes of described cylindrical housings 1, and by described crossbeam 2
It is fixedly mounted on described cylindrical housings 1 internal；The power output ejector pin of described vibrator 3, described push rod 4,
Described reluctance head 5, described reluctance head base 6, described end face thin plate 8 are sequentially connected in series；Described top
Bar 4 can realize be connected and disconnected from fixing with described reluctance head 5 by rotating, so that described reciprocity device
Switch between emission state and reception state；Described reluctance head base 6 and described end face thin plate 8 it
Between described small rubber sealing ring 7 is installed；Install between described end face thin plate 8 and described cylindrical housings 2
There is described big rubber seal 10；Described end face thin plate 8 is fixedly mounted on by endless metal ring 9 and bolt
The end of described cylindrical housings 1.
In the embodiment shown in Fig. 1 and Fig. 2, the housing of single end face reciprocity device is cylindrical, implements at other
In example, housing can also be the centrosymmetric structure of other shapes, as square.
When mounted, its power sensitivity end contacts reluctance head 5 with described end face thin plate 8.
Single end face reciprocity device of the present utility model can partly be immersed in the water and use, it is also possible to carry out sealing and water
After close process, it is completely immersed in water and uses.
In use, single end face reciprocity device of the present utility model is fixedly mounted on by described installation suspension rod 11
On outside lifting machine, and device bottom is made to be immersed in the water.At a certain distance from water, such as 5m, place to be measured
Low-frequency underwater acoustic transducer, and rotate described in push rod 4 make it disconnect with described reluctance head 5.Make this underwater sound
Transducer sounding, records the rate signal of described reluctance head 5.Take out low-frequency underwater acoustic transducer subsequently, at low frequency
A hydrophone is placed in the former position of underwater acoustic transducer, and the push rod 4 described in rotation makes itself and described reluctance head 5
Fixing connection.To described vibrator 3 to drive signal, record force signal and the hydrophone of described reluctance head 5
Acoustic pressure.Then can obtain the volume velocity of underwater acoustic transducer radiation to be measured, computing formula is: volume velocity=power letter
Number * rate signal/hydrophone acoustic pressure.
It should be noted last that, above example is only in order to illustrate the technical solution of the utility model and unrestricted.
Although this utility model being described in detail with reference to embodiment, it will be understood by those within the art that,
The technical solution of the utility model is modified or equivalent, without departure from technical solutions of the utility model
Spirit and scope, it all should be contained in the middle of right of the present utility model.
Claims (8)
1. the single end face reciprocity device for the test of underwater sound low-frequency sound source, it is characterised in that this device includes:
Housing (1), crossbeam (2), vibrator (3), push rod (4), reluctance head (5), reluctance head base (6), end
Face thin plate (8), endless metal ring (9), suspension rod (11) is installed；
Wherein, described vibrator (3) and the central axes of described housing (1), and by described crossbeam (2)
It is fixedly mounted on described housing (1) internal；The power output ejector pin of described vibrator (3), described push rod (4),
Described reluctance head (5), described reluctance head base (6), described end face thin plate (8) depend in accordance with the order from top to bottom
Secondary it is connected in series；Described push rod (4) realizes being connected or disconnection with the fixing of described reluctance head (5) by rotating,
So that described single end face reciprocity device switches between emission state and reception state.
Single end face reciprocity device for the test of underwater sound low-frequency sound source the most according to claim 1, its feature exists
In, between described reluctance head base (6) and described end face thin plate (8), small rubber sealing ring (7) is installed.
Single end face reciprocity device for the test of underwater sound low-frequency sound source the most according to claim 1, its feature exists
In, between described end face thin plate (8) and described housing (1), big rubber seal (10) is installed.
Single end face reciprocity device for the test of underwater sound low-frequency sound source the most according to claim 1, its feature exists
In, described end face thin plate (8) is fixedly mounted on the end of described housing (1) by endless metal ring and bolt
Portion.
Single end face reciprocity device for the test of underwater sound low-frequency sound source the most according to claim 1, its feature exists
In, symmetrical structure centered by described housing, including cylindric or square.
Single end face reciprocity device for the test of underwater sound low-frequency sound source the most according to claim 1, its feature exists
In, when mounted, its power sensitivity end contacts described reluctance head (5) with described end face thin plate (8).
Single end face reciprocity device for the test of underwater sound low-frequency sound source the most according to claim 1, its feature exists
In, described single end face reciprocity device bottom in use is immersed in the water, and surfaces in top.
Single end face reciprocity device for the test of underwater sound low-frequency sound source the most according to claim 1, its feature exists
In, described single end face reciprocity device is after airtight and watertight process, it is possible to all puts in water and uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390803.7U CN205748625U (en) | 2016-05-03 | 2016-05-03 | A kind of single end face reciprocity device for the test of underwater sound low-frequency sound source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620390803.7U CN205748625U (en) | 2016-05-03 | 2016-05-03 | A kind of single end face reciprocity device for the test of underwater sound low-frequency sound source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748625U true CN205748625U (en) | 2016-11-30 |
Family
ID=57372351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620390803.7U Withdrawn - After Issue CN205748625U (en) | 2016-05-03 | 2016-05-03 | A kind of single end face reciprocity device for the test of underwater sound low-frequency sound source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748625U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340051A (en) * | 2016-05-03 | 2017-11-10 | 中国科学院声学研究所 | A kind of single end face reciprocity device for the test of underwater sound low-frequency sound source |
| CN107687892A (en) * | 2017-08-07 | 2018-02-13 | 国家电网公司 | A kind of test device and method of sonic transducer low frequency sensitivity |
| CN108267321A (en) * | 2016-12-30 | 2018-07-10 | 华晨汽车集团控股有限公司 | A kind of test and evaluation method of car acpistocs packaging sound absorption performance |
-
2016
- 2016-05-03 CN CN201620390803.7U patent/CN205748625U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340051A (en) * | 2016-05-03 | 2017-11-10 | 中国科学院声学研究所 | A kind of single end face reciprocity device for the test of underwater sound low-frequency sound source |
| CN107340051B (en) * | 2016-05-03 | 2023-08-08 | 中国科学院声学研究所 | Single-end face reciprocity device for underwater sound low-frequency sound source test |
| CN108267321A (en) * | 2016-12-30 | 2018-07-10 | 华晨汽车集团控股有限公司 | A kind of test and evaluation method of car acpistocs packaging sound absorption performance |
| CN107687892A (en) * | 2017-08-07 | 2018-02-13 | 国家电网公司 | A kind of test device and method of sonic transducer low frequency sensitivity |
| CN107687892B (en) * | 2017-08-07 | 2019-11-26 | 国家电网公司 | A kind of test device and method of sonic transducer low frequency sensitivity |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20230808 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20230808 |