CN116631363A - Underwater sound source - Google Patents
Underwater sound source Download PDFInfo
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- CN116631363A CN116631363A CN202310699013.1A CN202310699013A CN116631363A CN 116631363 A CN116631363 A CN 116631363A CN 202310699013 A CN202310699013 A CN 202310699013A CN 116631363 A CN116631363 A CN 116631363A
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- underwater sound
- air guide
- inner cavity
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
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- 238000004073 vulcanization Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
The application discloses an underwater sound source which comprises a shell, a vibrating piece, an actuator, a gas storage tank and a gas guide assembly. The shell comprises a first inner cavity, and the shell is provided with a first opening end; the vibrating piece is arranged at the first opening end, and the first inner cavity forms a closed cavity; the actuator is arranged in the first inner cavity and connected with the vibrating piece, and the vibrating piece is driven to vibrate by the actuator; the air storage tank is connected with the shell; the air guide assembly is connected between the air storage tank and the shell and used for adjusting air pressure in the first inner cavity. According to the underwater sound source provided by the application, the air storage tank communicated with the first inner cavity of the shell is additionally arranged, the air pressure in the first inner cavity is regulated through the air guide assembly, when the working depth of the underwater sound source is deeper, the air storage tank supplies air to the first inner cavity, air pressure compensation is carried out, the balance of air pressure and water pressure is realized, the underwater sound source can reach the deeper working depth, or the first inner cavity discharges redundant air through the air guide assembly, so that the underwater sound source can work at the shallower working depth.
Description
Technical Field
The application relates to the technical field of sound wave emission, in particular to an underwater sound source.
Background
Along with the development of modern science and technology, the world-aware mode of people is more and more diversified and accurate, and the development of technologies such as sound, light, electricity, magnetism, machinery, microelectronics, quanta and the like makes a brand new and three-dimensional information interaction world appear in front of our eyes. At present, the information interaction in water is mainly acoustic signal interaction, and in many fields such as underwater sound detection, marine geological exploration, underwater target simulation and the like, a high-frequency or low-frequency underwater sound source needs to be provided to serve as a detection target or serve as a test sound source to perform performance measurement and performance calibration on underwater sound hydrophones and receiving arrays.
The traditional sound source is generally completed by a piezoelectric transducer made of piezoelectric materials, the frequency is generally in a middle-high frequency range, a sound source technology of a bending transducer is adopted in a low frequency range, the frequency of the sound source can be detected to be in a range of hundreds of hertz, and the sound sources are generally excellent in shallow sea working performance. With the gradual increase of the working depth, the underwater sound source faces compensation problems caused by hydrostatic pressure, and the larger the depth is, the more difficult the compensation is. In order to reduce the influence of pressure on the performance of a sound source, a pressure compensation structure is needed, and in the prior art, an air bag is generally adopted for compensation, but with the increase of depth, the sound compensation capability of air in the air bag is rapidly reduced due to the increase of the compressed degree, and the compensation effect is gradually lost, so that the realization of high-depth work faces technical difficulties.
Accordingly, there is a need for an improvement over the prior art to overcome the deficiencies described in the prior art.
Disclosure of Invention
The application aims to provide an underwater sound source, which can realize the self-balance of air pressure and water pressure so as to achieve higher working depth.
To achieve the above object, the present application provides an underwater sound source comprising
A housing comprising a first interior cavity, the housing having a first open end;
the vibration piece is arranged at the first opening end and enables the first inner cavity to form a closed cavity;
the actuator is arranged in the first inner cavity and connected with the vibrating piece, and the vibrating piece is driven to vibrate by the actuator;
the air storage tank is connected with the shell; the method comprises the steps of,
and the air guide assembly is connected between the air storage tank and the shell and is used for adjusting the air pressure in the first inner cavity.
Further, a first air guide connector connected with the air guide assembly is arranged on the air storage tank, a second air guide connector connected with the air guide assembly is arranged on the shell, and the second air guide connector is communicated with the first inner cavity.
Further, the air guide assembly comprises an air guide pipe, a first air pressure gauge, a second air pressure gauge, a first electromagnetic valve, a second electromagnetic valve and an exhaust nozzle, wherein two ends of the air guide pipe are respectively connected with the first air guide joint and the second air guide joint, the first air pressure gauge is arranged on the air guide pipe and is positioned at one side close to the first air guide joint, the second air pressure gauge is arranged on the air guide pipe and is positioned at one side close to the second air guide joint, and the first electromagnetic valve and the second electromagnetic valve are respectively arranged on the air guide pipe and are respectively positioned at one side close to the first air pressure gauge and the second air pressure gauge, and the exhaust nozzle is connected with the second electromagnetic valve.
Further, the shell comprises an annular shell body and a partition plate connected with the annular shell body, the shell further comprises a second inner cavity, the first inner cavity and the second inner cavity are oppositely located on two sides of the partition plate, and the vibrating piece is oppositely arranged with the partition plate.
Further, the annular housing is integrally formed with the partition, and the first and second lumens are formed between the annular housing and the partition.
Further, the air storage tank comprises a tank body and a substrate connected with the tank body, the shell is provided with a second opening end communicated with the second inner cavity, and the substrate is arranged at the second opening end and enables the second inner cavity to form a closed cavity.
Further, the shell and the air storage tank are made of hard metal or alloy materials.
Further, the underwater sound source further comprises a control circuit board, wherein the control circuit board is installed on the partition board and located in the second inner cavity, and is connected with the first electromagnetic valve and the second electromagnetic valve through signal wires.
Further, the underwater sound source further comprises a gas pressure sensor and a water pressure sensor, wherein the gas pressure sensor is installed in the first inner cavity and is electrically connected with the control circuit board, and the water pressure sensor is installed outside the shell and is electrically connected with the control circuit board and is arranged opposite to the gas pressure sensor.
Further, the vibrating piece comprises a radiation plate, and the actuator is fixedly connected with the radiation plate.
Further, the radiation plate is fixedly connected with the annular shell, and the radiation plate seals the first opening end.
Further, the vibrating piece comprises a radiation plate and an elastic supporting ring positioned on the outer side of the radiation plate, an annular space is formed between the radiation plate and the annular shell, the elastic supporting ring is fixedly connected with the annular shell and the radiation plate respectively, the annular space is sealed, and the actuator is fixedly connected with the radiation plate.
Further, the elastic support ring is made of a high polymer material, and the radiation plate is made of a hard metal or alloy or nylon material.
Further, the elastic support ring comprises an outer ring, an inner ring and at least one circle of protruding parts connected between the outer ring and the inner ring, the outer ring is fixedly connected with the annular shell, and the inner ring is fixedly connected with the radiation plate.
Compared with the prior art, the application has the following beneficial effects: the underwater sound source provided by the application is provided with the air storage tank communicated with the first inner cavity of the shell, the air pressure in the first inner cavity is regulated through the air guide component, when the working depth of the underwater sound source is deeper, the air storage tank supplies air to the first inner cavity to perform air pressure compensation, so that the balance of air pressure and water pressure is realized, the underwater sound source can reach deeper working depth, and reliable work can be realized at different depth positions.
Drawings
FIG. 1 is a schematic view of a first embodiment of an underwater sound source according to the present application;
FIG. 2 is a cross-sectional view of a first embodiment of a underwater sound source of the present application;
FIG. 3 is an exploded view of a first embodiment of a underwater sound source of the present application;
FIG. 4 is a cross-sectional view of a second embodiment of an underwater sound source in the present application;
FIG. 5 is an exploded view of a second embodiment of an underwater sound source in the present application;
fig. 6 is a schematic view of the structure of the elastic support of fig. 4 and 5.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Embodiment one:
as shown in fig. 1 to 3, the present application provides an underwater sound source including a housing 1, a vibrating member, an actuator 2, a gas tank 6, and a gas guide assembly 7.
The housing 1 comprises a first inner cavity 101 and is provided with a first open end 102.
The vibrating member is disposed at the first open end 102, and seals the first open end 102, so that the first inner cavity 101 forms a closed cavity.
The actuator 2 is provided inside the first inner chamber 101 and is connected to a vibrating member driven to vibrate by the actuator 2, i.e., the vibrating member vibrates longitudinally following the actuator 2 to vibrate under water to emit sound waves. The longitudinal direction is the direction along the central axis a of fig. 1 and 2, and the vibration direction of the vibration member generally coincides with the axial direction of the actuator 2.
The air storage tank 6 is connected with the shell 1, and comprises a third cavity 601, and the third cavity 601 is pre-filled with air before being discharged, and the air can be high-pressure air.
The air guide assembly 7 is connected between the air storage tank 6 and the shell 1 and is used for adjusting the air pressure of the first inner cavity 101 in the shell 1.
The air storage tank 6 is communicated with the first inner cavity 101 of the shell 1 through the air guide assembly 7, air pressure in the first inner cavity 101 is regulated through the air guide assembly 7, and particularly when the working depth of an underwater sound source is deeper, the air storage tank 6 supplies air to the first inner cavity 101 to perform air pressure compensation, so that the underwater sound source can reach the deeper working depth; when the working depth of the underwater sound source is shallower, the first inner cavity 101 can be exhausted through the air guide assembly 7, and self-balancing of air pressure and water pressure is achieved.
Be provided with the first air guide joint 8 that is connected with air guide assembly 7 on the gas holder 6, be provided with the second air guide joint 9 that is connected with air guide assembly 7 on the shell 1, first air guide joint 8 and third inner chamber 601 intercommunication, second air guide joint 9 and first inner chamber 101 intercommunication carry the gas in the third inner chamber 601 to in the first inner chamber 101 through air guide assembly 7 to this carries out the atmospheric pressure compensation, realizes the self-balancing of atmospheric pressure and water pressure.
As a preferred embodiment, as shown in fig. 1, the air guide assembly 7 includes an air guide pipe 701, a first air pressure gauge 702, a second air pressure gauge 703, a first electromagnetic valve 704, a second electromagnetic valve 705, and an air discharge nozzle 706. The two ends of the air duct 701 are respectively connected with a first air guide joint 8 and a second air guide joint 9, a first air pressure gauge 702 is arranged on the air duct 701 and is positioned at one side close to the first air guide joint 8, a second air pressure gauge 702 is arranged on the air duct 701 and is positioned at one side close to the second air guide joint 9, a first electromagnetic valve 704 and a second electromagnetic valve 705 are both arranged on the air duct 701 and are respectively positioned at one side close to the first air pressure gauge 702 and the second air pressure gauge 703, and an exhaust nozzle 706 is connected with the second electromagnetic valve 705.
When the external water pressure is greater than the air pressure in the first inner cavity 101 (for example, when the working depth of the underwater sound source is deeper), the first electromagnetic valve 704 and the second electromagnetic valve 705 can be opened, so that the air in the third inner cavity 601 is transmitted into the first inner cavity 101 through the air duct 701, thereby increasing the air pressure in the first inner cavity 101 and realizing the balance of the air pressure and the external water pressure; when the external water pressure is smaller than the air pressure in the first inner cavity 101 (when the underwater sound source rises to a shallower working depth), the first electromagnetic valve 704 can be closed, the second electromagnetic valve 705 can be opened, the air in the first inner cavity 101 is conveyed into the air duct 701, and then the redundant air is discharged through the exhaust nozzle 706 communicated with the second electromagnetic valve 705, so that the balance between the air pressure and the water pressure in the first inner cavity 101 is realized.
As a preferred embodiment, as shown in fig. 2, the casing 1 includes an annular housing 103 and a partition 104, the partition 104 is connected to the annular housing 103, and further includes a second inner cavity 105, the first inner cavity 101 and the second inner cavity 105 are located on both sides of the partition 104, respectively, and the vibrating member is disposed opposite to the partition 104. Wherein, annular housing 103 and baffle 104 integrated into one piece, first inner chamber 101 and second inner chamber 105 are formed respectively between the part of annular housing 103 that is located the both sides of baffle 104 and baffle 104. The vibrating member is mounted at the first open end 102 such that the first interior chamber 101 forms a closed chamber that vibrates in water to emit sound waves when the vibrating member follows the longitudinal vibration of the actuator 2 in water.
The air storage tank 6 comprises a tank body 602 and a base plate 603 connected with the tank body 602, the shell 1 is provided with a second opening end 106 communicated with the second inner cavity 105, the base plate 603 is arranged at the second opening end 106, and the second inner cavity 105 forms a closed cavity. In this embodiment, a third lumen 601 is formed between the canister 602 and the base plate 603.
The shell 1 and the air storage tank 6 are made of hard metal or alloy materials, for example, stainless steel or aluminum alloy materials can be selected, and the air storage tank has a certain pressure-resistant effect, and is not easy to deform and compress even under water with high depth. The actuator 2 is preferably an inertial actuator, more preferably an electromagnetic inertial actuator, the actuator 2 being movable longitudinally along the axis a. In this embodiment, an inertial actuator is used to drive the vibrating member in motion to radiate sound waves underwater.
The actuator 2 is not directly connected with the shell 1, so that the reaction force to the shell 1 during sounding is greatly reduced, the vibration of the shell 1 is avoided, the acting force to the ship body when the underwater sound source is arranged on the ship body is much smaller, and the noise caused by excitation to the ship body when the underwater sound source is fixed on the outer side of the ship body is greatly reduced.
Further, as shown in fig. 2 and 3, the underwater sound source further comprises a control circuit board 10, a pressure sensor 11 and a water pressure sensor 12, wherein the control circuit board 10 is installed on the partition board 104 and located in the second inner cavity 105, and the pressure in the second inner cavity 105 is not changed due to inflation and deflation, so that the internal pressure is more stable, the risk of water leakage can be reduced, and meanwhile, the normal operation of electronic components on the control circuit board 10 is not influenced by the pressure, so that the safety of the control circuit board 10 can be effectively ensured. The control circuit board 10 is connected to the first solenoid valve 704 and the second solenoid valve 705 via the signal line 13, and can control the solenoid valve operation.
The air pressure sensor 11 is installed in the first inner cavity 101 and is electrically connected with the control circuit board 10, and the water pressure sensor 12 is installed outside the casing 1 and is electrically connected with the control circuit board 10. Preferably, it is disposed opposite to the air pressure sensor 11, and the detected water pressure more conforms to the water pressure at the actual depth of the underwater sound source. The air pressure in the first inner chamber 101 is detected by the air pressure sensor 11, and the water pressure at the working depth of the underwater sound source is detected by the water pressure sensor 12.
When the air pressure detected by the air pressure sensor 11 is lower than the water pressure detected by the water pressure sensor 12, the air pressure sensor sends a signal to the control circuit board 10, the control circuit board 10 controls the first electromagnetic valve 704 and the second electromagnetic valve 705 to be opened through the signal wire 13, and the air in the third inner cavity 601 of the air storage tank 6 is conveyed into the first inner cavity 101 of the shell 1 through the air guide pipe 701 to perform air pressure compensation on the first inner cavity 101, so that the balance of internal pressure and external pressure is realized; when the air pressure detected by the air pressure sensor 11 is equal to the water pressure detected by the water pressure sensor 12, the air pressure sensor sends a signal to the control circuit board 10, and the control circuit board 10 controls the first electromagnetic valve 704 and the second electromagnetic valve 705 to be closed through the signal line 11, so that the air pressure compensation of the first inner cavity 101 is stopped, and the balance of the air pressure and the water pressure is realized.
When the air pressure detected by the air pressure sensor 11 is higher than the water pressure detected by the water pressure sensor 12, a signal is sent to the control circuit board 10, the control circuit board 10 controls the first electromagnetic valve 704 to be closed through the signal line 13, the second electromagnetic valve 705 to be opened, the air in the first inner cavity 101 is conveyed into the air duct 701, and then the excessive air is discharged through the exhaust nozzle 706 communicated with the second electromagnetic valve 705, so that the balance of internal pressure and external pressure is realized; when the air pressure detected by the air pressure sensor 11 is equal to the water pressure detected by the water pressure sensor 12, the air pressure sensor sends a signal to the control circuit board 10, and the control circuit board 10 controls the second electromagnetic valve 705 to close through the signal line 13, so that the first inner cavity 101 is stopped from being exhausted, and the balance of the air pressure and the water pressure is realized.
In this embodiment, as shown in fig. 2 and 3, the vibration member includes a radiation plate 3, an actuator 2 is fixedly connected with the radiation plate 3, the radiation plate 3 is fixedly connected with a ring-shaped housing 103, and seals a first opening end 102.
The radiation plate 3 is a hard plate made of metal or alloy or nylon material, and has high elasticity, high rigidity and small displacement. The radiation plate 3 is a circular planar plate, and may be designed into a rectangular shape or other polygonal shapes as required, and the application is not limited thereto. The outline dimension of the radiation plate 3 corresponds to the outline dimension of the first open end 102, so that the radiation plate 3 is convenient to be directly connected with the housing 1. When the radiation plate 3 vibrates, external water is pushed to vibrate to radiate sound waves outwards. In this embodiment, a plurality of mounting holes 301 that are arranged in an annular manner are formed in the peripheral edge of the radiation plate 3, and the mounting holes are rigidly and fixedly connected with the annular housing 103 through connecting pieces such as screws mounted in the mounting holes 301, and the actuator 2 and the radiation plate 3 are rigidly and fixedly connected through connecting pieces such as screws, so that the connection is firm and the radiation plate is not easy to fall off.
When the actuator 3 vibrates longitudinally, the radiation plate 3 can be pushed to vibrate in water, and the radiation plate 3 provides elasticity, so that the rigidity is high, the displacement is small, and only high-frequency sound waves can be emitted.
Before the underwater sound source is launched, a certain air pressure needs to be pre-filled into the first inner cavity 101 and the third inner cavity 601. When the underwater sound source is launched, the water pressure received by the radiation plate 3 is gradually increased as the depth increases. When the working depth is reached, the external water pressure and the air pressure of the pre-stored air in the first inner cavity 101 are balanced; when a deeper working depth is required, the air pressure compensation is carried out on the first inner cavity 101 through the matched use of the air storage tank 6 and the air guide assembly 7, so that the external water pressure and the air pressure of the air in the first inner cavity 101 are balanced; when a shallower working depth is required, the air guide assembly 7 is used for exhausting redundant air from the first inner cavity 101 so as to balance the external water pressure and the air pressure of the air in the first inner cavity 101.
Embodiment two:
an underwater sound source, based on embodiment one, is different in that:
as shown in fig. 4 and 5, the vibration member comprises a radiation plate 3 and an elastic support ring 4 positioned outside the radiation plate 3, an annular space 5 is formed between the radiation plate 3 and the annular shell 103, the elastic support ring 4 is fixedly connected with the annular shell 103 and the radiation plate 3 respectively, the annular space 5 is sealed, the actuator 2 is fixedly connected with the radiation plate 3, the vibration member with the structure is adopted, the underwater sound source vibrates underwater to emit low-frequency sound waves, and the vibration frequency of the low-frequency sound waves is between 10Hz and 500 Hz.
The radiation plate 3 is a hard plate made of metal, alloy or nylon materials, the outline size of the radiation plate 3 is smaller than that of the first opening end 102, an annular space 5 is formed between the radiation plate 3 and the annular shell 103, the elastic support ring 4 is fixedly connected with the annular shell 103 and the radiation plate 3 respectively and seals the annular space 5, the actuator 2 and the radiation plate 3 are rigidly and fixedly connected through connecting pieces such as screws, firm connection is achieved, and falling is not easy to occur. When the radiation plate 3 vibrates, the elastic support ring 4 provides elastic support, so that the resonance frequency of a moving body formed by the radiation plate 3 and the actuator 2 is greatly reduced, and very low frequency sound waves can be radiated to the outside.
The elastic support ring 4 is made of high polymer material, preferably rubber material, and provides elastic support, and has small rigidity, large elasticity and large displacement. As shown in fig. 6, the elastic support ring 4 includes an outer ring 401, an inner ring 402, and at least one ring of projections 403 connected between the outer ring 401 and the inner ring 402, preferably, it projects in a normal direction of the radiation plate 3, the projections 403 are ring-shaped, and the elastic support ring 4 is not limited to include only one ring of projections 403, but may include a plurality of rings of projections 403. The outer ring 401 is fixedly connected with the annular shell 103 in a vulcanization mode, the inner ring 402 is fixedly connected with the radiation plate 3 in a vulcanization mode, and the connection is firm and is not easy to fall off.
When the actuator 2 vibrates up and down, the radiation plate 3 follows the vibration, and then the bulge 403 of the elastic support ring 4 provides elastic support and displacement, and the elastic support ring 4 provides elastic support, so that the rigidity is small, the elasticity is large, the displacement is large, and low-frequency sound waves can be emitted.
The foregoing is merely exemplary of the application and other modifications can be made without departing from the scope of the application.
Claims (14)
1. An underwater sound source, comprising
A housing comprising a first interior cavity, the housing having a first open end;
the vibration piece is arranged at the first opening end and enables the first inner cavity to form a closed cavity;
the actuator is arranged in the first inner cavity and connected with the vibrating piece, and the vibrating piece is driven to vibrate by the actuator;
the air storage tank is connected with the shell; the method comprises the steps of,
and the air guide assembly is connected between the air storage tank and the shell and is used for adjusting the air pressure in the first inner cavity.
2. The underwater sound source of claim 1, wherein the air storage tank is provided with a first air guide connector connected with the air guide assembly, the housing is provided with a second air guide connector connected with the air guide assembly, and the second air guide connector is communicated with the first inner cavity.
3. The underwater sound source as claimed in claim 2, wherein the air guide assembly comprises an air guide pipe, a first air pressure gauge, a second air pressure gauge, a first electromagnetic valve, a second electromagnetic valve and an exhaust nozzle, both ends of the air guide pipe are respectively connected with the first air guide joint and the second air guide joint, the first air pressure gauge is mounted on the air guide pipe and positioned at one side close to the first air guide joint, the second air pressure gauge is mounted on the air guide pipe and positioned at one side close to the second air guide joint, the first electromagnetic valve and the second electromagnetic valve are both mounted on the air guide pipe and positioned at one side close to the first air pressure gauge and the second air pressure gauge, respectively, and the exhaust nozzle is connected with the second electromagnetic valve.
4. The underwater sound source as in claim 1, wherein the housing comprises an annular shell and a diaphragm connected to the annular shell, the housing further comprising a second cavity, the first cavity and the second cavity being located opposite the diaphragm on opposite sides thereof, the vibrating member being located opposite the diaphragm.
5. The underwater sound source as in claim 4, wherein the annular housing is integrally formed with the diaphragm, and the first and second inner chambers are formed between the annular housing and the diaphragm.
6. The underwater sound source as in claim 5, wherein the air storage tank comprises a tank body and a base plate connected with the tank body, the housing is provided with a second open end communicated with the second inner cavity, and the base plate is arranged at the second open end, and the second inner cavity forms a closed cavity.
7. The underwater sound source as in claim 6, wherein the housing and the air reservoir are each made of a hard metal or alloy material.
8. The underwater sound source as claimed in claim 6, further comprising a control circuit board mounted on the partition plate and located inside the second inner chamber and connected to the first solenoid valve and the second solenoid valve through signal lines.
9. The underwater sound source of claim 8, further comprising a barometric pressure sensor mounted in the first interior cavity and electrically connected to the control circuit board, and a water pressure sensor mounted outside the housing and electrically connected to the control circuit board and disposed opposite the barometric pressure sensor.
10. An underwater sound source as claimed in any of claims 1 to 9 wherein the vibrating member comprises a radiating plate and the actuator is fixedly connected to the radiating plate.
11. The underwater sound source as in claim 10, wherein the radiant panel is fixedly connected to the annular housing, the radiant panel sealing the first open end.
12. The underwater sound source as claimed in claim 10, wherein the vibration member comprises a radiation plate and an elastic support ring positioned outside the radiation plate, an annular space is formed between the radiation plate and the annular housing, the elastic support ring is fixedly connected with the annular housing and the radiation plate respectively, and seals the annular space, and the actuator is fixedly connected with the radiation plate.
13. An underwater sound source as claimed in claim 12, characterised in that the resilient support ring is made of a polymeric material and the radiating plate is made of a hard metal or alloy or nylon material.
14. The underwater sound source as claimed in claim 12, wherein the elastic support ring comprises an outer ring, an inner ring and at least one ring of projections connected between the outer ring and the inner ring, the outer ring being fixedly connected with the annular housing, the inner ring being fixedly connected with the radiation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310699013.1A CN116631363A (en) | 2023-06-13 | 2023-06-13 | Underwater sound source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310699013.1A CN116631363A (en) | 2023-06-13 | 2023-06-13 | Underwater sound source |
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| Publication Number | Publication Date |
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| CN116631363A true CN116631363A (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310699013.1A Pending CN116631363A (en) | 2023-06-13 | 2023-06-13 | Underwater sound source |
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| CN (1) | CN116631363A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117775240A (en) * | 2024-02-23 | 2024-03-29 | 山东航天电子技术研究所 | Miniature underwater air bag compensation device and compensation method |
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2023
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117775240A (en) * | 2024-02-23 | 2024-03-29 | 山东航天电子技术研究所 | Miniature underwater air bag compensation device and compensation method |
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