CN113949974B

CN113949974B - Pressure compensation type deep sea hydrophone and use method thereof

Info

Publication number: CN113949974B
Application number: CN202111201797.8A
Authority: CN
Inventors: 阮唯; 袁经文
Original assignee: Jiangsu Underwater Acoustic Technology Co ltd
Current assignee: Jiangsu Underwater Acoustic Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2023-09-05
Anticipated expiration: 2041-10-15
Also published as: CN113949974A

Abstract

The invention provides a pressure compensation type deep sea hydrophone and a use method thereof, the pressure compensation type deep sea hydrophone comprises a protective sleeve, wherein a mounting ring is arranged in the protective sleeve and is detachably connected with a mounting sheet through screws, a hydrophone body is arranged on the side wall of the mounting sheet, a sub-connector is connected on the other side wall of the mounting sheet, a connecting structure for connection is detachably connected on one side of the sub-connector, filling liquid for pressure compensation is arranged between the protective sleeve and the hydrophone body, the right end of the protective sleeve is in threaded connection with a mounting sleeve, the right end of the mounting sleeve is connected with a sealing film, a connecting sheet is fixedly arranged in the mounting sleeve, and a sliding column is connected on the connecting sheet. According to the hydrophone, the pressure balance can be maintained at different water depths by the sealing membrane, the first piston, the second piston and the filling liquid, the pressure compensation can be carried out, and the sensitivity and the service life of the hydrophone are improved.

Description

Pressure compensation type deep sea hydrophone and use method thereof

Technical Field

The invention relates to the technical field of acoustics, in particular to a deep sea hydrophone and a use method thereof.

Background

Transducers that convert acoustic signals into electrical signals are used to receive acoustic signals in water, known as receiving transducers, also commonly referred to as hydrophones. The hydrophone is widely used for underwater communication, continent detection, target positioning, tracking and the like, is an important part of sonar, and is used for underwater detection, identification and communication, marine environment monitoring and marine resource development, and the underwater acoustic transducer is not separated.

At present, the deep sea hydrophone among the prior art is inconvenient to carry out pressure compensation under different water depth degrees, reduces the sensitivity of hydrophone, and the deep sea hydrophone among the prior art is integrated design, if one part damages then needs to be changed whole hydrophone, causes the waste of resource easily, and inconvenient dismantlement and assembly do not have safeguard function simultaneously, if collide with reef and lead to the damage of deep sea hydrophone easily.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a pressure compensation type deep sea hydrophone and a use method thereof, and solves the problems that the deep sea hydrophone in the prior art is inconvenient to perform pressure compensation, inconvenient to detach and inconvenient to protect.

And (II) technical scheme.

The invention adopts the following technical scheme for realizing the purposes:

the utility model provides a pressure compensation formula deep sea hydrophone, includes the protective sheath, install collar and be connected with the installation piece through the screw can dismantle in the protective sheath, install the hydrophone body on the lateral wall of installation piece, be connected with sub-connector and sub-connector one side on another lateral wall of installation piece and can dismantle and be connected with the linking structure that is used for connecting, be equipped with the packing liquid that is used for pressure compensation between protective sheath and the hydrophone body, the right-hand member threaded connection of protective sheath has the installation cover and installs the right-hand member of cover and be connected with the sealing membrane, fixed mounting has the connection piece in the installation cover, be connected with the traveller on the connection piece, the one end of traveller is connected with first piston and the other end of traveller is connected with the second piston, be connected with the protective structure who is used for preventing bumping on the bottom lateral wall of protective sheath.

Further, the linking structure includes the linking cover with protective sheath threaded connection, linking cover internal connection has with sub-connector assorted female connector, linking cover is last to be connected with female connector electric connection has the cable.

Further, a sealing sleeve is sleeved outside one end, close to the connecting sleeve, of the cable, and the sealing sleeve is connected with the connecting sleeve.

Further, the protection structure comprises four clamping blocks which are arranged on a protection sleeve in a circumferential array manner, clamping strips are respectively clamped in the four clamping blocks, a group of column sleeves are connected to the clamping strips along the length direction of the clamping strips, springs are respectively connected to the inner bottom wall of the column sleeves, and a buffering column is connected to the top end of each spring, and a protection plate for preventing collision is connected to the top end of each buffering column.

Further, a group of water permeable holes are uniformly formed in the side wall of the protection plate, and the section of the protection plate is arc-shaped.

Further, the filling liquid is sound-transmitting silicone oil.

Further, the hydrophone body is electrically connected with the sub-connectors.

Further, a group of anti-skid grooves for skid prevention are formed in the outer side walls of the mounting sleeve and the connecting sleeve at equal intervals.

The invention also provides a using method of the pressure compensation type deep sea hydrophone, which comprises the following steps:

s1: firstly, the hydrophone body is put into a protective sleeve, and then the mounting sheet and the mounting ring are fixed through screws;

s2: then the connecting sleeve is connected with the protective sleeve in a threaded manner, so that the female connector is inserted into the sub-connector, and then the connecting sleeve is screwed;

s3: inverting the protective sleeve, adding filling liquid into the protective sleeve, then connecting the mounting sleeve with the protective sleeve in a threaded manner, sequentially inserting the clamping strips into the clamping blocks, and then putting the clamping strips into a use position;

and S4, the sealing film deforms under the action of pressure, the deformation of the sealing film enables the first piston to move, and the first piston enables the second piston to move through the sliding column, so that the pressure in the protective sleeve is compensated.

(III) beneficial effects

Compared with the prior art, the invention provides the pressure compensation type deep sea hydrophone and the use method thereof, and the pressure compensation type deep sea hydrophone has the following beneficial effects:

1. according to the hydrophone, the pressure balance can be maintained at different water depths by the sealing film, the first piston, the second piston and the filling liquid, the pressure compensation can be carried out, and the sensitivity and the service life of the hydrophone are improved.

2. According to the invention, the mounting ring, the connecting sleeve and the female connector are used for conveniently assembling and disassembling the deep sea hydrophone, so that damaged parts are conveniently replaced, the whole deep sea hydrophone is not required to be replaced, and the waste of resources is avoided.

3. According to the invention, the protection plate is elastically supported by the springs, so that the deep sea hydrophone can be prevented from being crashed and damaged, and the assembly and replacement are convenient by the clamping blocks and the clamping strips, so that the deep sea hydrophone can be used continuously.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a cross-sectional view in the direction A-A of the present invention;

FIG. 4 is a schematic view of the connection of the clip strip and the protection plate;

fig. 5 is a schematic diagram of an explosive structure according to the present invention.

In the figure: 1. a protective sleeve; 2. a mounting ring; 3. a mounting piece; 4. a hydrophone body; 5. a sub-connector; 6. A connection structure; 601. a connecting sleeve; 602. a female connector; 603. a cable; 604. sealing sleeve; 7. filling liquid; 8. a mounting sleeve; 9. a sealing film; 10. a connecting sheet; 11. a spool; 12. a first piston; 13. a second piston; 14. a protective structure; 1401. a clamping block; 1402. clamping strips; 1403. a column sleeve; 1404. a spring; 1405. a buffer column; 1406. and (5) protecting the plate.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a pressure compensation type deep sea hydrophone according to an embodiment of the present invention includes a protecting sleeve 1, a mounting ring 2 is mounted in the protecting sleeve 1, the mounting ring 2 is detachably connected with a mounting plate 3 through screws, a hydrophone body 4 is mounted on a side wall of the mounting plate 3, a sub-connector 5 is connected on another side wall of the mounting plate 3, one side of the sub-connector 5 is detachably connected with a connection structure 6 for connection, a filling liquid 7 for pressure compensation is arranged between the protecting sleeve 1 and the hydrophone body 4, a mounting sleeve 8 is connected with a right end of the protecting sleeve 1 through threads, a sealing film 9 is connected with a right end of the mounting sleeve 8, a connecting sheet 10 is fixedly mounted in the mounting sleeve 8, a sliding column 11 is connected on the connecting sheet 10, one end of the sliding column 11 is connected with a first piston 12, the other end of the sliding column 11 is connected with a second piston 13, and a protection structure 14 for anti-collision is connected on a bottom side wall of the protecting sleeve 1; can protect hydrophone body 4 through protective sheath 1, it is spacing to the position of hydrophone body 4 to make things convenient for through collar 2, still conveniently install mounting plate 3, thereby conveniently install hydrophone body 4, it is convenient to be connected with sub-connector 5 through linking structure 6, thereby conveniently assemble, can produce deformation through sealing membrane 9, thereby can make first piston 12 and second piston 13 take place to remove, thereby can compensate the pressure in protective sheath 1, cooperation filling liquid 7 can make the pressure in protective sheath 1 keep balanced, improve the sensitivity of hydrophone, can protect hydrophone through protective structure 14, avoid the phenomenon that damages appear in the collision.

As shown in fig. 3, in some embodiments, the connection structure 6 includes a connection sleeve 601 screwed with the protective sleeve 1, a female connector 602 matched with the sub-connector 5 is connected to the connection sleeve 601, and a cable 603 is connected to the connection sleeve 601 and electrically connected to the female connector 602; the connector 602 is convenient to be connected with the sub-connector 5 in a clamping way, the connector 601 is convenient to assemble with the protective sleeve 1, the connector is convenient to disassemble, damaged parts are convenient to replace, and signals are convenient to be conveyed through the cable 603.

As shown in fig. 3, in some embodiments, a sealing sleeve 604 is sleeved over an end of the cable 603 near the joint sleeve 601 and the sealing sleeve 604 is connected to the joint sleeve 601; the sealing performance between the cable 603 and the connecting sleeve 601 can be improved through the sealing sleeve 604, and the phenomenon of water leakage is avoided.

As shown in fig. 3 and 4, in some embodiments, the protection structure 14 includes four clamping blocks 1401 circumferentially arrayed on the protection sleeve 1, clamping strips 1402 are clamped in the four clamping blocks 1401, the clamping strips 1402 are connected with a group of column sleeves 1403 along the length direction of the clamping strips, the inner bottom walls of the column sleeves 1403 are connected with springs 1404, the top ends of the springs 1404 are connected with buffer columns 1405, and the top ends of the buffer columns 1405 are connected with protection plates 1406 for collision prevention; the clamping block 1401 is convenient to limit the clamping strip 1402, the installation and the disassembly are convenient, the buffer column 1405 can be enabled to stably slide up and down through the column sleeve 1403, the spring 1404 can elastically support the buffer column 1405, and therefore buffering can be generated when the protection plate 1406 is elastically supported and collides with an external object, and the phenomenon that a hydrophone is damaged due to collision is avoided.

As shown in fig. 4, in some embodiments, a group of water permeable holes are uniformly formed on the side wall of the protection plate 1406, and the section of the protection plate 1406 is arc-shaped; the resistance of the guard plate 1406 moving can be reduced through the water permeable holes, so that the acoustic signal can be conveniently received.

As shown in fig. 3, in some embodiments, the filler liquid 7 is an acoustically transparent silicone oil; the pressure balance in the protective sleeve 1 can be conveniently maintained through the breathable silicone oil, and the sensitivity of the hydrophone can be improved.

As shown in fig. 2, in some embodiments, the hydrophone body 4 is electrically connected to the sub-connectors 5; the signal of the hydrophone body 4 is conveniently transmitted and assembled and disassembled by the sub-connector 5 which is conveniently connected with the main connector 602.

As shown in fig. 1, in some embodiments, a set of anti-slip grooves for anti-slip are provided on the outer side walls of the mounting sleeve 8 and the engagement sleeve 601 at equal intervals; the anti-slip groove is convenient for operators to rotate the mounting sleeve 8 and the connecting sleeve 601, and assembly and disassembly are convenient.

s1: firstly, the hydrophone body 4 is put into the protective sleeve 1, and then the mounting sheet 3 and the mounting ring 2 are fixed through screws;

s2: then the connecting sleeve 601 is connected with the protective sleeve 1 in a threaded way, so that the female connector 602 is inserted into the male connector 5, and then the connecting sleeve 601 is screwed;

s3: inverting the protective sleeve 1, adding filling liquid 7 into the protective sleeve 1, then connecting the mounting sleeve 8 with the protective sleeve 1 in a threaded manner, sequentially inserting the clamping strips 1402 into the clamping blocks 1401, and then putting the clamping strips into a use position;

and S4, the sealing film 9 deforms under the action of pressure, the deformation of the sealing film 9 enables the first piston 12 to move, and the first piston 12 enables the second piston 13 to move through the sliding column 11, so that the pressure in the protective sleeve 1 is compensated.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but may be modified or substituted for part of the technical features described in the foregoing embodiments by those skilled in the art, even though the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pressure compensation formula deep sea hydrophone, includes protective sheath (1), its characterized in that: install collar (2) and collar (2) in the left end of protective sheath (1) and can dismantle through the screw and be connected with mounting plate (3), install hydrophone body (4) on the lateral wall of mounting plate (3), hydrophone body (4) and sub-connector (5) electric connection, be connected with sub-connector (5) and sub-connector (5) one side on the other lateral wall of mounting plate (3) and can dismantle and be connected with link up structure (6) that are used for connecting, link up structure (6) include with protective sheath (1) threaded connection's adapter sleeve (601), adapter sleeve (601) internal connection have with sub-connector (5) assorted female connector (602), be connected with on adapter sleeve (601) with female connector (602) electric connection's cable (603), the one end overcoat that cable (603) is close to adapter sleeve (601) is equipped with seal cover (604) and seal cover (601) is connected, be equipped with between protective sheath (1) and the sub-connector (4) and be used for pressure compensation's packing fluid (7), silicone oil (7) are for installing right side (8) threaded connection's membrane (8), the utility model discloses a protection cover, including installation cover (8) and linking cover (601), a set of anti-skidding recess that is used for the antiskid has been seted up to the lateral wall equidistant of installation cover (8), fixed mounting has connection piece (10) in installation cover (8), be connected with on connection piece (10) post (11), the one end of post (11) is connected with first piston (12) and the other end of post (11) is connected with second piston (13), be connected with on the bottom lateral wall of protective sheath (1) and be used for crashproof protective structure (14), protective structure (14) are including four fixture blocks (1401) that are circumference array on protective sheath (1), four all block is equipped with card strip (1402) in fixture block (1401), all be connected with spring (1404) on the interior diapire of a set of post cover (1403) and post cover (1403) on the length direction of card strip (1402), the top of spring (1405) is connected with buffer column (1405) and buffer column (1405) is connected with guard plate (1406) that is used for crashproof, evenly be equipped with on guard plate (1) lateral wall a set of circular-arc shape that permeates water and the cross-section shape of a set of evenly is 1406.

2. The method of using a pressure compensated deep sea hydrophone of claim 1, wherein: the method comprises the following steps:

s1: firstly, a hydrophone body (4) is put into a protective sleeve (1), and then a mounting sheet (3) is fixed with a mounting ring (2) through screws;

s2: then the connecting sleeve (601) is connected with the protective sleeve (1) in a threaded way, so that the female connector (602) is inserted into the sub-connector (5), and then the connecting sleeve (601) is screwed;

s3: inverting the protective sleeve (1), adding filling liquid (7) into the protective sleeve (1), then connecting the mounting sleeve (8) with the protective sleeve (1) in a threaded manner, sequentially inserting clamping strips (1402) into the clamping blocks (1401), and then throwing the deep sea hydrophone into a use position;

and S4, the sealing film (9) deforms under the action of pressure, the deformation of the sealing film (9) enables the first piston (12) to move, and the first piston (12) enables the second piston (13) to move through the sliding column (11), so that the pressure in the protective sleeve (1) is compensated.