CN218002689U - Underwater noise measurement damping device - Google Patents
Underwater noise measurement damping device Download PDFInfo
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- CN218002689U CN218002689U CN202221162408.5U CN202221162408U CN218002689U CN 218002689 U CN218002689 U CN 218002689U CN 202221162408 U CN202221162408 U CN 202221162408U CN 218002689 U CN218002689 U CN 218002689U
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- hydrophone
- damping device
- noise measurement
- underwater noise
- protective
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Abstract
The utility model provides an underwater noise measurement damping device, installs in the investigation ship, investigation ship side is equipped with winch and data receiving unit, underwater noise measurement damping device includes protective bracket, hydrophone mount, tension device, cable conductor and soft rope, inside the hydrophone is fixed in the hydrophone mount, tension device is equipped with many, inside the protective bracket was located through tension device to the hydrophone mount, cable conductor one end and hydrophone electric connection, the other end and data receiving unit electric connection, soft rope one end is connected with protective bracket, the intermediate junction winch, and the other end is connected with the investigation ship to reduce the interference in the underwater noise measurement process, improve the measured data accuracy.
Description
Technical Field
The utility model relates to a noise monitoring technology field especially relates to an investigation ship operation noise measurement damping device under water.
Background
Offshore engineering construction such as offshore wind farms and the like may bring certain influence on the ecological environment of the engineering sea area, especially a great amount of underwater noise is generated in the construction period and the operation period, and the influence on marine organisms in the engineering sea area is worthy of high attention and prevention. Underwater noise data of different distances and different depth levels of a target sound source are required to be measured according to the specification requirements.
When an investigation ship or other ships are used for underwater noise measurement at sea, the ship position needs to be dynamically moved according to monitoring requirements, and hydrophone arrays of different levels are arranged or the same hydrophone is used for adjusting different depths for measurement. In order to reduce the interference of a ship on measurement, a certain effective distance needs to be reserved between a monitoring hydrophone and an investigation ship during operation, and due to the limitation of ship condition conditions during actual investigation, the hydrophone is generally fixed on a steel cable by using a winch of the investigation ship and placed at different depths for measurement, so that the requirement on the distance from the ship is difficult to guarantee; the winch steel cable is inclined under the action of water flow, so that the measurement direction of the hydrophone is changed; in addition, the downward steel cable vibrates due to water flow, and the accuracy of underwater noise measurement data is affected.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art existence, the utility model relates to a noise measurement damping device under water to reduce the interference among the noise measurement process under water, improve the measured data accuracy.
The utility model relates to a noise measurement damping device under water installs in the investigation ship, investigation ship side is equipped with winch and data receiving unit, noise measurement damping device includes protective bracket, hydrophone mount, tension device, cable conductor and soft rope under water, inside the hydrophone is fixed in the hydrophone mount, tension device is equipped with many, inside the protective bracket was located through tension device to the hydrophone mount, cable conductor one end and hydrophone electric connection, the other end and data receiving unit electric connection, soft rope one end is connected with protective bracket, the intermediate junction winch steel cable, and the other end is connected with the investigation ship.
Through adopting above-mentioned scheme, the protective bracket plays the effect of connecting with the support, and the hydrophone receives noise signal under water, converts the signal of telecommunication into for measuring noise data, and transmits to the data receiving unit and receive and save, and the hydrophone fixation clamp is used for the centre gripping installation hydrophone and is connected with the protective bracket through tension device, and tension device is used for the buffering to shake the influence that leads to the fact the hydrophone under water, and the soft rope is convenient for receiving and releasing of equipment and keeps the cable conductor not atress.
Further, still measure damping device under water still includes counter weight module and buoyancy module, counter weight module and protective bracket bottom are for dismantling to be connected, buoyancy module and protective bracket top are for dismantling to be connected.
Through adopting above-mentioned scheme, counter weight module and buoyancy module combined action make protective bracket receive the action of gravity under water and keep vertical state.
Further, the protection support is of a hollow frame structure, the protection support is provided with a protection gauze, and the protection gauze covers the periphery and the top of the protection support.
Through adopting above-mentioned scheme for shelter from the hydrophone, avoid aquatic suspended particle material to subside to adhere to or aquatic life etc. touches, thereby influence measured data, and buffering rivers erode the influence to the hydrophone.
Furthermore, a plurality of cable floats are evenly arranged in the middle of the soft rope and are connected with the cable.
By adopting the scheme, the buoyancy of the cable and the soft rope in water is kept.
Furthermore, four tension devices are arranged, two of the four tension devices are connected with two sides of the upper part of the hydrophone fixing frame, and the other two tension devices are connected with two sides of the lower part of the hydrophone fixing frame.
By adopting the scheme, the hydrophone is ensured to be evenly stressed.
Further, the underwater noise measurement damping device further comprises a flow guide baffle.
By adopting the scheme, the flow guide baffle is additionally arranged when the water flow is too large, so that the influence of the water flow on the hydrophone is reduced.
Furthermore, the protective gauze is made of fine-pore soft gauze.
Through adopting above-mentioned scheme, reduce the inside interference of protection gauze.
Further, the tension device includes, but is not limited to, a tension spring and a rubber rope.
Through adopting above-mentioned scheme, tension spring acquires with the rubber rope easily to the elastic behavior is stable.
The utility model discloses a main beneficial effect:
1. through the buffering effect of the tension device between the protective support and the hydrophone fixing clamp, the tension device can effectively absorb shock, the hydrophone is kept relatively stable, the vibration influence of the steel cable is reduced, and the noise influence of the steel cable which is laid in the process of measuring the shipborne underwater noise and is generated by water flow impact vibration can be reduced;
2. the reasonable arrangement of the support diversion preventing structure avoids causing resonance in water flow, reduces self-noise interference and reduces ocean current influence;
3. the verticality of the hydrophone in the underwater direction can be maintained through the gravity ratio of the counterweight module and the buoyancy module, and the problem of underwater inclination of the steel cable arrangement is solved;
4. through the connection of the soft ropes, the hydrophone can float away from an investigation ship under the action of water flow, and the noise interference reflected by the ship is reduced;
5. the protection gauze can avoid the influence of the settlement and adhesion of suspended particulate matters in water or the touch of aquatic organisms and the like, and buffers the influence of water flow on the flushing of the hydrophone.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic view of the installation state of the protection gauze in embodiment 1 of the present invention.
Reference numerals are as follows: 1. a protective bracket; 2. a counterweight module; 3. a buoyancy module; 4. a hydrophone; 5. a hydrophone mounting clip; 6. a tension device; 7. a protective gauze; 8. a cable wire; 9. a soft rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below with reference to the drawings of the present invention, and it is obvious that only some examples, not all examples, of the present invention are described herein, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention based on the embodiments of the present invention.
To facilitate understanding of the embodiments of the present invention, the following detailed description will be given by way of example with reference to the accompanying drawings, and each embodiment is not limited to the embodiments of the present invention.
The embodiment 1 of the utility model relates to referring to fig. 1, 2 and showing, relating to a noise measurement damping device under water, install in the investigation ship, investigation ship side is equipped with winch and data receiving unit, and when the measurement operation, need close the engine of investigation ship, avoids taking place the artificial noise. The underwater noise measurement damping device comprises a protection support 1, a counterweight module 2, a buoyancy module 3, a hydrophone 4, a hydrophone fixing clamp 5, a tension device 6, a protection gauze 7, a cable 8, a soft rope 9 and a cable buoy.
The protective support 1 is of a hollow frame structure and is used for fixing the hydrophone 4, the counterweight module 2, the buoyancy module 3, the protective gauze 7, the soft rope 9 and the flow guide baffle, and the protective support plays a role in connection and support.
The counterweight module 2 is detachably connected with the bottom of the protective support 1, the buoyancy module 3 is detachably connected with the top of the protective support 1, the counterweight module 2 and the buoyancy module 3 jointly act to enable the protective support 1 to keep a vertical state under the action of gravity, and the assembling module and the buoyancy module 3 can be in a block shape or an annular shape.
The hydrophone 4 receives the underwater noise signal and converts the underwater noise signal into an electric signal for measuring noise data.
The hydrophone fixing clamp 5 is used for clamping and installing the hydrophone 4 and is fixed inside the protective support 1 through the plurality of tension devices 6.
The protection support 1 is connected to 6 one ends of pulling force device, and the other end is connected with hydrophone 4 mount for the influence that the vibrations caused to hydrophone 4 under the buffering water, pulling force device 6 sets up 4, and 5 upper portion both sides of hydrophone mount are connected to two pulling force devices 6 wherein, and two other pulling force devices 6 connect 5 lower part both sides of hydrophone mount for the best, pulling force device 6 includes but not limited to tension spring, rubber rope, chooses for use tension spring for the best.
The cable 8 supplies power to the hydrophone 4 and is a data transmission cable, and data of the hydrophone 4 can be transmitted to a data receiving unit on the survey ship in real time.
The soft rope 9 is a soft rope, one end of the soft rope is connected with the protective bracket 1, the middle of the soft rope is connected with a winch steel cable, and the other end of the soft rope is connected with an investigation ship; for the equipment to reel and keep the cable 8 unstressed.
The cable floats are arranged in the middle of the soft rope 9 and connected with the middle of the cable 8, and buoyancy of the cable and the soft rope 9 in water is kept.
The data receiving unit is placed on an investigation ship, is connected with the hydrophone 4 through a cable 8 and is used for receiving and storing the data measured by the hydrophone 4.
The survey vessel is an operation platform and is used for moving and converting operation positions.
The protective support 1 can be set to different shapes, and a flow guide baffle can be additionally arranged according to the size of water flow, so that the influence of the water flow on the hydrophone 4 is reduced.
In the description of the present invention, it should be noted that the terms "top" and "bottom" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still make modifications or changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an underwater noise measures damping device, installs in investigation ship, investigation ship side is equipped with winch and data receiving unit, its characterized in that: noise measurement damping device under water includes protective bracket, hydrophone mount, tension device, cable conductor and soft rope, inside the hydrophone is fixed in the hydrophone mount, tension device is equipped with many, inside the protective bracket was located through tension device to the hydrophone mount, cable conductor one end and hydrophone electric connection, the other end and data receiving unit electric connection, soft rope one end is connected with protective bracket, the intermediate junction winch steel cable, and the other end is connected with the investigation ship.
2. The underwater noise measurement damping device of claim 1, wherein: the underwater noise measurement damping device further comprises a counterweight module and a buoyancy module, the counterweight module is detachably connected with the bottom of the protection support, and the buoyancy module is detachably connected with the top of the protection support.
3. The underwater noise measurement damping device of claim 2, wherein: the protective support is of a hollow frame structure, the protective support is provided with a protective gauze, and the protective gauze covers the periphery and the top of the protective support.
4. The underwater noise measurement damping device of claim 3, wherein: the middle part of the soft rope is evenly provided with a plurality of cable floats, and the cable floats are connected with the cable.
5. The underwater noise measurement damping device according to claim 4, wherein: four tension devices are arranged, wherein two tension devices are connected with two sides of the upper part of the hydrophone fixing frame, and the other two tension devices are connected with two sides of the lower part of the hydrophone fixing frame.
6. The underwater noise measurement damping device of claim 5, wherein: the underwater noise measurement damping device further comprises a flow guide baffle plate.
7. The underwater noise measurement damping device of claim 3, wherein: the protective gauze is made of fine-hole soft gauze.
8. The underwater noise measurement damping device of claim 6, wherein: the tension device includes but is not limited to a tension spring and a rubber rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221162408.5U CN218002689U (en) | 2022-05-13 | 2022-05-13 | Underwater noise measurement damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221162408.5U CN218002689U (en) | 2022-05-13 | 2022-05-13 | Underwater noise measurement damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218002689U true CN218002689U (en) | 2022-12-09 |
Family
ID=84292447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221162408.5U Active CN218002689U (en) | 2022-05-13 | 2022-05-13 | Underwater noise measurement damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218002689U (en) |
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2022
- 2022-05-13 CN CN202221162408.5U patent/CN218002689U/en active Active
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