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CN-224216162-U - High pressure resistant type deep sea hydrophone

CN224216162UCN 224216162 UCN224216162 UCN 224216162UCN-224216162-U

Abstract

The application relates to a high-pressure-resistant deep sea hydrophone, which relates to the field of hydrophones and comprises a shell for accommodating a hydrophone body, wherein a top cover is arranged at the top of the shell, a vibration reduction assembly is arranged between the shell and the hydrophone body, and a through hole for a cable of the hydrophone body to pass through is formed in the top cover. The hydrophone has the effects of improving the stability and reliability of the hydrophone body during deep sea operation and prolonging the service life.

Inventors

  • YUAN JINGWEN

Assignees

  • 江苏水声技术有限公司

Dates

Publication Date
20260508
Application Date
20250604

Claims (6)

  1. 1. The high-pressure-resistant deep sea hydrophone is characterized by comprising a shell (2) for accommodating a hydrophone body (1), wherein a top cover (3) is arranged at the top of the shell (2), a vibration reduction assembly (5) is arranged between the shell (2) and the hydrophone body (1), and a through hole (9) for a cable of the hydrophone body (1) to penetrate is formed in the top cover (3); The vibration reduction assembly (5) comprises a vibration reduction bag (51), a pressing plate piece (52) and a plurality of base plates (53) which are arranged in the shell (2), an accommodating space (6) for accommodating the hydrophone body (1) is arranged in the vibration reduction bag (51), a filler for vibration reduction is filled in the vibration reduction bag (51), the pressing plate piece (52) is arranged at the top of the vibration reduction bag (51), the base plates (53) are sleeved on a cable of the hydrophone body (1), and the base plates (53) are arranged between the pressing plate piece (52) and the top cover (3); A transverse isolating layer (10) is arranged in the vibration reduction bag (51), a plurality of through holes (11) are formed in the isolating layer (10), and elastic valve damping sheets (12) are arranged in the through holes (11); The filler is provided as a non-newtonian fluid material.
  2. 2. The high-pressure-resistant deep sea hydrophone of claim 1, wherein the pressure plate piece (52) comprises two half plates (13), semicircular holes (14) for a cable of the hydrophone body (1) to pass through are formed in the two half plates (13), protruding blocks (15) and grooves (16) are formed in the side walls of the semicircular holes (14) formed in the half plates (13), the protruding blocks (15) are arranged on one side of the semicircular holes (14), the grooves (16) are formed in the other side of the semicircular holes (14), and the grooves (16) are used for inserting protruding blocks (15) of the other half plates (13).
  3. 3. The high-pressure-resistant deep sea hydrophone of claim 2, wherein the side walls of the half plates (13) close to the inner wall of the shell (2) are provided with a plurality of sliding blocks (17), and the inner wall of the shell (2) is provided with a plurality of vertical sliding grooves (18) for sliding the sliding blocks (17).
  4. 4. The high pressure resistant deep sea hydrophone as set forth in claim 1, wherein the top cover (3) is connected with the outer shell (2) through a plurality of connecting pieces (4), the connecting pieces (4) are uniformly distributed along the circumference of the top cover (3), the connecting pieces (4) comprise buckling seats (41) connected with the side walls of the top cover (3) and buckling buckles (42) connected with the side walls of the outer shell (2), and buckling rings of the buckling buckles (42) are connected with the buckling seats (41) in a clamping mode.
  5. 5. The high pressure resistant deep sea hydrophone as set forth in claim 1, wherein the top cover (3) is provided with a rubber ring (7), the inner wall of the rubber ring (7) is attached to the outer wall of the cable of the hydrophone body (1), the outer wall of the rubber ring (7) is attached to the wall of the through hole (9), and the bottom wall of the rubber ring (7) is attached to the top wall of the base plate (53) located at the top.
  6. 6. The high pressure resistant deep sea hydrophone as recited in claim 1, wherein the bottom of the housing (2) is provided with a counterweight (8).

Description

High pressure resistant type deep sea hydrophone Technical Field The application relates to the field of hydrophones, in particular to a high-pressure-resistant deep sea hydrophone. Background Hydrophones are transducers that convert acoustic signals into electrical signals for receiving acoustic signals in water, and are also commonly referred to as receiving transducers, and are widely used in underwater communications, detection of continents, target positioning, tracking, etc., and are important components of sonar. The hydrophone is precise electronic equipment, is easily affected by the extrusion, shaking and other actions of water body during underwater operation, and can shake due to water body surging or pulling, so that the protection structure of the hydrophone is important, and the performance and the service life of the hydrophone are directly affected. Disclosure of utility model In order to improve the protective structure of the hydrophone, the application provides a high-pressure-resistant deep sea hydrophone. The application provides a high pressure resistant deep sea hydrophone, which adopts the following technical scheme: The utility model provides a high pressure resistant type deep sea hydrophone, includes the shell that is used for holding the hydrophone body, the shell top is provided with the top cap, the shell with be provided with the damping subassembly between the hydrophone body, be provided with on the top cap and supply the perforation that the cable of hydrophone body worn out. Further, the damping assembly comprises a damping bag arranged in the shell, a pressing plate piece and a plurality of base plates, wherein an accommodating space for accommodating the hydrophone body is arranged in the damping bag, fillers for damping are filled in the damping bag, the pressing plate piece is arranged at the top of the damping bag, the base plates are all sleeved on a cable of the hydrophone body, and the base plates are arranged between the pressing plate piece and the top cover. Further, the clamp plate spare includes two half boards, two all be provided with on the half board and supply the cable of hydrophone body passes the semicircle orifice, half board has been seted up be provided with lug and recess on the lateral wall of semicircle orifice, the lug sets up one side of semicircle orifice, the recess sets up the opposite side of semicircle orifice, the recess is used for inserting another the lug of half board. Further, the side walls of the half plates, which are close to the inner wall of the shell, are provided with a plurality of sliding blocks, and the inner wall of the shell is provided with a plurality of vertical sliding grooves for sliding the sliding blocks. Further, a transverse isolating layer is arranged in the vibration reduction bag, a plurality of through holes are formed in the isolating layer, and elastic valve damping sheets are arranged in the through holes. Further, the filler is provided as a non-newtonian fluid material. Further, the top cover is connected with the shell through a plurality of connecting pieces, the connecting pieces are uniformly distributed along the circumference of the top cover, each connecting piece comprises a buckle seat connected with the side wall of the top cover and a buckle connected with the side wall of the shell, and the buckle ring of the buckle is connected with the buckle seat in a clamping way. Further, the top cover is provided with a rubber ring, the inner wall of the rubber ring is attached to the outer wall of the cable of the hydrophone body, the outer wall of the rubber ring is attached to the wall of the perforated hole, and the bottom wall of the rubber ring is attached to the top wall of the backing plate at the top. Further, the bottom of the shell is provided with a balancing weight. In summary, the present application includes at least one of the following beneficial technical effects: The hydrophone body can bear a deep sea high-pressure environment, so that the stability and the reliability of the hydrophone body in deep sea operation are improved, and the service life is prolonged; The vibration reduction assembly (comprising the vibration reduction bag, the pressing plate and the base plate) is arranged to effectively absorb and disperse vibration energy from the outside, reduce the influence on the hydrophone body, improve the accuracy of signal acquisition, further enhance the vibration reduction effect by filling the non-Newtonian fluid material in the vibration reduction bag, and quickly respond when impacted to protect the hydrophone body, and the design of the isolation layer and the elastic valve damping fin in the vibration reduction bag is beneficial to dispersing the vibration energy in multiple directions, so that the non-Newtonian fluid in the upper cavity and the lower cavity of the vibration reduction bag slowly flows, and the stability of the internal structure of the vibration reductio