CN218703819U

CN218703819U - Sea underwater environment noise measuring device

Info

Publication number: CN218703819U
Application number: CN202222353193.1U
Authority: CN
Inventors: 刘玉财; 梁丽辉; 刘森; 易文胜
Original assignee: 715th Research Institute of CSIC
Current assignee: 715th Research Institute of CSIC
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-03-24
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to an ocean noise measures technical field, concretely relates to ocean underwater environment noise measuring device, including surface of water floater, aquatic floater, tension spring, measurement hydrophone, force bearing rope and AIS beacon, the surface of water floater floats on the surface of water, the aquatic floater floats in the aquatic, the lower extreme of surface of water floater and aquatic floater links to each other with the both ends of force bearing rope respectively, the AIS beacon is installed at surface of water floater top, it is provided with a plurality of measurement hydrophones to lie in the distolateral department under the aquatic floater on the force bearing rope, just the lower extreme department that lies in respectively on the both ends of force bearing rope and be close to surface of water floater and aquatic floater all is provided with tension spring, the utility model discloses establish ties all parts by single force bearing rope, can realize measuring device's the cloth and measure the adjustment of hydrophone underwater position through the position of tightening up and releasing surface force bearing ball end cable, easy and simple to handle, can effectively reduce the influence of marine stormy waves to noise measurement, improves measuring result's accuracy.

Description

Sea underwater environment noise measuring device

Technical Field

The utility model relates to an ocean noise measurement technical field, concretely relates to ocean underwater environment noise measuring device.

Background

With the continuous promotion of offshore wind power engineering construction, the underwater environmental noise of the sea area around the wind power plant is inevitably increased, and the artificial underwater noise pollution can bring great influence on marine environment and marine organisms. The offshore wind farm will generate different types and characteristics of noise at different stages of its life cycle, and the construction of the offshore wind farm project mainly comprises: planning, designing, land building, offshore construction, operating and decommissioning, wherein the offshore construction and operating stages are key stages for generating underwater noise, the underwater noise in the construction period mainly comes from seabed blasting desilting, pile foundation piling, construction machinery, operation ships and the like, and the generated noise strength is relatively high; the underwater noise in the operation period is mainly generated by the operation of the fan, particularly, the low-frequency noise is generated by the fact that the low-frequency noise is transmitted into water through different paths such as a tower barrel and a fan pile foundation through structural vibration, the noise is stable, and the intensity change is not obvious. In the retirement period, the blasting demolition of the wind power pile foundation or the vibration pile pulling process also generate strong noise.

At present, offshore wind farm projects in China are mainly concentrated on offshore shallow sea, the water area environment is complex, the offshore wind farm projects are easily influenced by tides and storms, and monitoring of underwater noise of offshore wind farms in different stages is seriously influenced, so that an offshore wind farm underwater noise measuring device which is strong in anti-interference capacity, accurate in measurement and simple and convenient to operate is urgently needed to be established.

SUMMERY OF THE UTILITY MODEL

In order to overcome exist not enough among the prior art, the utility model provides an ocean underwater environment noise measuring device, the device can realize measuring the quick cloth of hydrophone and put, provides simple and convenient method for the cloth of measuring the hydrophone in offshore wind-powered electricity generation field underwater noise monitoring test.

The utility model provides a following technical scheme:

the utility model provides a sea underwater environment noise measuring device, includes surface of water floater, aquatic floater, tension spring, measures hydrophone, force rope and AIS beacon, the surface of water floater floats on the surface of water, the aquatic floater floats in the aquatic, the lower extreme of surface of water floater and aquatic floater links to each other with the both ends of force rope respectively, the AIS beacon is installed at surface of water floater top, lie in the aquatic floater on the force rope and locate to be provided with a plurality of measuring hydrophones side, just lie in respectively on the both ends of force rope and be close to the lower extreme department of surface of water floater and aquatic floater and all be provided with tension spring.

Furthermore, the rope-pulling device further comprises a balancing weight and a single pulley, wherein the single pulley is installed on the balancing weight, and the middle end of the bearing rope is wound on the single pulley.

Furthermore, the rotating ring is arranged between two bearing ropes which are formed by winding the single pulleys in parallel, two through holes are symmetrically formed in the rotating ring, the two bearing ropes respectively penetrate through the corresponding through holes, the rotating ring is sequentially provided with a plurality of measuring hydrophones from top to bottom, and each measuring hydrophone is arranged between every two adjacent rotating rings.

Furthermore, a steel wire rope clamp is fixed on the bearing rope between the single pulley and the nearest rotating ring.

Furthermore, the measuring hydrophones are hydrophones with cable transmission or self-contained hydrophones, and the measuring hydrophones are uniformly distributed and fixed on bearing ropes at the lower ends of the floating balls in the water through nylon ribbons.

Furthermore, the upper end and the lower end of the tension spring are fixed on the force bearing rope through safety rings.

Furthermore, the measuring hydrophone, the underwater floating ball and the steel wire rope clamp are all fixedly arranged on the bearing rope on one side of the single pulley.

Furthermore, the AIS beacon and the water surface floating ball are bound and connected through a nylon cable tie and are used for acquiring the coordinate position of the measuring device on the sea.

The utility model has the advantages that:

by combining the advantages of submerged buoy type distribution and suspended distribution, the cable jitter and the position offset of the measuring hydrophone caused by sea surface fluctuation or working platform swing can be effectively reduced, the underwater depth of the measuring hydrophone can be conveniently and rapidly adjusted, and noise measurement at different depths is realized. Meanwhile, the device effectively improves the accuracy of the underwater noise measurement result of the offshore wind farm under the condition of high sea state, is simple in retraction and extension operation and low in cost, and is suitable for monitoring the underwater environmental noise of the offshore wind farm in China.

Drawings

Fig. 1 is the utility model relates to a marine underwater environment noise measuring device's schematic structure.

The figures are labeled as follows:

1-water surface floating ball; 2-floating ball in water; 3-a tension spring; 4-rotating the ring; 5-measuring the hydrophone; 6-steel wire rope clamp; 7-single pulley; 8-a balancing weight; 9-bearing rope; 10-AIS beacons.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.

Specific example 1:

referring to the attached drawing 1, the device for measuring the environmental noise under the sea water comprises a water surface floating ball 1, an underwater floating ball 2, tension springs 3, measuring hydrophones 5, a force bearing rope 9 and AIS beacons 10, wherein the water surface floating ball 1 floats on the water surface, the underwater floating ball 2 floats in the water, the lower ends of the water surface floating ball 1 and the underwater floating ball 2 are respectively connected with the two ends of the force bearing rope 9, the AIS beacons 10 are installed at the top of the water surface floating ball 1, the lower end sides of the underwater floating ball 2 on the force bearing rope 9 are provided with the measuring hydrophones 5, the tension springs 3 are respectively arranged at the two ends of the force bearing rope 9 and are respectively close to the lower ends of the water surface floating ball 1 and the underwater floating ball 2, and the fluctuation influence of the measuring hydrophone 5 caused by water surface fluctuation is effectively relieved.

Specifically, still including balancing weight 8 and single pulley 7, single pulley 7 installs on balancing weight 8, the middle part end of load rope 9 is around establishing on single pulley 7, and balancing weight 8 plays the counter weight effect.

Specifically, rotatory ring 4 is provided with between two bearing ropes 9 after the bearing rope 9 is around establishing single pulley 7 and paralleling, and rotatory ring 4 is horizontal "8" font, the symmetry is provided with two perforation on rotatory ring 4, and two bearing ropes 9 run through the perforation setting that corresponds respectively, rotatory ring 4 has set gradually a plurality ofly from the top down, and all is provided with between two adjacent rotatory rings 4 and measures hydrophone 5, and rotatory ring 4 is favorable to guaranteeing that bearing rope 9 both sides rope cable is parallel.

Specifically, a wire rope clamp 6 is fixed on the messenger rope 9 between the single pulley 7 and the nearest rotating ring 4.

Specifically, the measuring hydrophone 5 adopts a hydrophone with cable transmission or a self-contained hydrophone, and the measuring hydrophone 5 is uniformly distributed and fixed on a bearing rope 9 at the lower end of the underwater floating ball 2 through nylon ribbons.

Specifically, the upper end and the lower end of the tension spring 3 are fixed on the force bearing rope 9 through safety rings.

Specifically, the measuring hydrophone 5, the underwater floating ball 2 and the steel wire rope clamp 6 are all fixedly arranged on the bearing rope 9 on one side of the single pulley 7.

Specifically, AIS beacon 10 and surface of water floater 1 bind through the nylon ribbon and link to each other for acquire measuring device is at marine coordinate position.

The utility model discloses a concrete technical scheme as follows:

the bearing rope 9 penetrates through the single pulley 7 to be divided into two ropes, the two ropes respectively penetrate through the two ends of the rotating ring 4 through holes, the two ropes are parallel, and the single pulley 7 is fixedly connected with the balancing weight 8. The measuring hydrophone 5 is fixed on one side of the bearing rope 9 through a nylon cable tie, and the steel wire rope clamp 6 is fixedly connected with the bearing rope 9 at a position close to the single pulley 7, so that the measuring hydrophone cannot slide down. Two tail ends of a bearing rope 9 are respectively connected with a water surface floating ball 1 and an underwater floating ball 2, and a tension spring 3 is arranged on the bearing rope 9 through a safety ring, so that the influence of fluctuation of the measuring hydrophone caused by fluctuation of the water surface is relieved. An AIS beacon 10 is fixedly installed on the water surface floating ball 1 and can be used for acquiring water surface coordinates of the measuring device. And a measuring hydrophone 5, a rotating ring 4, a steel wire rope clamp 6 and a tension spring 3 are fixed on the bearing rope 9 at one side of the underwater floating ball 2. The underwater depth of the hydrophone 5 measured at the other end of the bearing rope 9 can be changed by adjusting the fixed position of the water surface floating ball 1 on the bearing rope 9.

In addition, after the measurement is finished, the water surface floating ball 1 is separated from the force bearing rope 9, the floating ball 2 in the water floats to the water surface under the action of buoyancy, the force bearing rope 9 is dragged and recovered by a measurer, and the single pulley 7 and the balancing weight 8 are abandoned on the sea bottom.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a marine underwater environment noise measuring device, includes surface of water floater (1), aquatic floater (2), tension spring (3), measures hydrophone (5), load rope (9) and AIS beacon (10), its characterized in that: the water surface floating ball (1) floats on the water surface, the aquatic floating ball (2) floats in the water, the lower ends of the water surface floating ball (1) and the aquatic floating ball (2) are respectively connected with the two ends of a bearing rope (9), an AIS beacon (10) is installed at the top of the water surface floating ball (1), a plurality of measuring hydrophones (5) are arranged at the lower end side of the aquatic floating ball (2) on the bearing rope (9), and tension springs (3) are arranged at the lower ends of the bearing rope (9) close to the water surface floating ball (1) and the aquatic floating ball (2) respectively.

2. The marine underwater environment noise measurement device according to claim 1, characterized in that: the rope bearing device is characterized by further comprising a balancing weight (8) and a single pulley (7), wherein the single pulley (7) is installed on the balancing weight (8), and the middle end of the bearing rope (9) is wound on the single pulley (7).

3. The marine underwater environment noise measurement device according to claim 2, characterized in that: the force bearing rope (9) is provided with a rotating ring (4) between two force bearing ropes (9) which are wound around the single pulley (7) and arranged side by side, the rotating ring (4) is symmetrically provided with two through holes, the two force bearing ropes (9) respectively penetrate through the corresponding through holes, the rotating ring (4) is sequentially provided with a plurality of holes from top to bottom, and a measuring hydrophone (5) is arranged between every two adjacent rotating rings (4).

4. The marine underwater environment noise measurement device according to claim 3, characterized in that: a steel wire rope clamp (6) is fixed on the bearing rope (9) between the single pulley (7) and the nearest rotating ring (4).

5. The marine underwater environment noise measurement device according to claim 1, characterized in that: the measuring hydrophones (5) adopt hydrophones with cable transmission or self-contained hydrophones, and the measuring hydrophones (5) are uniformly distributed and fixed on bearing ropes (9) at the lower ends of the underwater floating balls (2) through nylon ribbons.

6. The marine underwater environment noise measurement device according to claim 1, characterized in that: the upper end and the lower end of the tension spring (3) are fixed on the force bearing rope (9) through safety rings.

7. The marine underwater environment noise measurement device according to claim 1, characterized in that: the measuring hydrophone (5), the underwater floating ball (2) and the steel wire rope clamp (6) are fixedly arranged on the bearing rope (9) on one side of the single pulley (7).

8. The marine underwater environment noise measurement device according to claim 1, characterized in that: AIS beacon (10) and surface of water floater (1) bind through the nylon ribbon and link to each other for acquire measuring device is at marine coordinate position.