CN209783730U - Underwater sound measuring device suitable for large-depth open lake surface - Google Patents
Underwater sound measuring device suitable for large-depth open lake surface Download PDFInfo
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- CN209783730U CN209783730U CN201821778566.7U CN201821778566U CN209783730U CN 209783730 U CN209783730 U CN 209783730U CN 201821778566 U CN201821778566 U CN 201821778566U CN 209783730 U CN209783730 U CN 209783730U
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- measuring device
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- unmanned aerial
- aerial vehicle
- lake surface
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model particularly relates to an underwater sound measuring device suitable for lake surface is widened to big degree of depth belongs to vibration noise control and measures technical field. The measuring device reaches a specified water area through a GPS (global positioning system) on the unmanned aerial vehicle, and plays a role in anchoring; in the test process, the buoyancy tank is separated from the water surface by the unmanned aerial vehicle, and the stabilizing wings are arranged on the side surfaces of the self-contained hydrophones, so that the influence of lake surface wind current and underwater ocean current is reduced. Measuring device can realize that self-contained hydrophone can effectual reduction lake surface wind current and the influence of ocean current under water again in the anchoring of the wide lake surface of the great degree of depth, and this measuring device has simple structure, easily realizes moreover, reliability height, simple to operate, environmental suitability's characteristics.
Description
Technical Field
the utility model particularly relates to a can open the lake surface at the big degree of depth and realize anchoring and can resist the underwater sound measuring device of lake surface wind current belongs to vibration noise control and measures technical field.
background
Hydrodynamic noise is an important source of radiated noise when the underwater vehicle is operating at high speeds. The floating test method is adopted, so that the influence of mechanical noise and propeller noise can be effectively separated, and the method is also the most effective hydrodynamic noise test method. The floating test is generally carried out on a large-depth open lake surface, and the traditional test method is that the self-contained hydrophone and the floating ball are directly bound and can be independently powered to carry out collection work when being thrown on the lake surface; or a water sound measuring device is erected on the barge. If the self-contained hydrophone is directly thrown on the lake surface, the hydrophone can easily drift along with the wind flow on the lake surface, and because the lake surface is wide, the depth of the lake water is large, and the water bottom condition is unclear, the hydrophone is very difficult to fix by adopting a shore anchoring mode and a lake bottom anchoring mode. The underwater sound measuring device is erected on the barge, the barge cannot be close to each other due to safety reasons, and the accuracy of underwater sound measurement is difficult to guarantee. Therefore, it is especially important to design a safe and reliable underwater acoustic measurement system suitable for large-depth wide lake surfaces.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to present underwater sound measuring device exists, the utility model provides a be applicable to the underwater sound measuring device that the lake face is widened to the great depth, this underwater sound measuring device can realize that self-contained hydrophone can effectual reduction lake face wind current again and ocean current under water to its influence at the anchoring that the lake face is widened to the great depth, and this underwater sound measuring device has simple structure, easily realizes moreover, reliability is high, simple to operate, environmental suitability is strong characteristics.
the purpose of the utility model is realized through the following technical scheme.
An underwater sound measuring device suitable for a large-depth open lake surface comprises an unmanned aerial vehicle, a buoyancy tank, a rigid rope I, a rigid rope II, an elastic rope and a self-contained hydrophone;
The unmanned aerial vehicle is provided with a GPS (global positioning system), and is connected with the inner surface of the bottom of the buoyancy tank through a rigid rope I; one end of the rigid rope II is connected with the elastic rope, and the other end of the rigid rope II is connected with the outer surface of the bottom of the buoyancy tank; the other end of the elastic rope is connected with the self-contained hydrophone.
Furthermore, stabilizing wings are arranged on the side faces of the self-contained hydrophone, so that the influence of water flow acting force on the hydrophone is avoided. The hydrophone can be a single hydrophone or a hydrophone array consisting of a plurality of hydrophones, and is selected according to actual needs.
Before the measurement work starts, the self-contained hydrophone enters water, the unmanned aerial vehicle stops at the bottom of the buoyancy tank, and the buoyancy tank moves along with water flow; when the measurement work begins, remote control unmanned aerial vehicle takes off, and the pulling flotation pontoon breaks away from the surface of water, through GPS positioning system with unmanned aerial vehicle remote control to appointed waters, treat the system stabilization back, begin test work.
has the advantages that:
(1) in the measuring device of the utility model, the buoyancy tank plays a role of bearing the unmanned aerial vehicle, and plays a role of protection when the unmanned aerial vehicle is in fault and falls; when unmanned aerial vehicle is out of control or rivers are great, the stretch cord plays the damping effect to avoid outside mechanical force to produce too big influence to the measuring accuracy.
(2) The measuring device of the utility model reaches the designated water area through the GPS positioning system on the unmanned aerial vehicle, and plays the role of anchoring; in the test process, the floating box is separated from the water surface by the unmanned aerial vehicle, so that the influence of water flow acting force is reduced; the stabilizing wings are arranged on the side surfaces of the self-contained hydrophone, so that the influence of water flow acting force can be further reduced, and the effect of resisting wind flow is achieved.
(3) measuring device has simple structure, easily realizes, the reliability is high, simple to operate, environmental suitability is strong characteristics.
drawings
Fig. 1 is a schematic structural diagram of the underwater acoustic measurement device of the present invention.
The system comprises an unmanned aerial vehicle 1, a buoyancy tank 2, a rigid rope I, a flexible rope 4, a self-contained hydrophone 5 and a rigid rope II, wherein the rigid rope II is connected with the unmanned aerial vehicle 2.
Detailed Description
the invention will be further explained with reference to the drawings and the detailed description.
Example 1
An underwater sound measuring device suitable for a large-depth open lake surface comprises an unmanned aerial vehicle 1, a buoyancy tank 2, a rigid rope I3, a rigid rope II 6, an elastic rope 4 and a self-contained hydrophone 5;
An accurate GPS positioning system is installed on the unmanned aerial vehicle 1, and the underwater acoustic measurement device reaches a specified water area through the GPS positioning system, so that an anchoring effect is achieved;
The floating box 2 is a light floating body, is unpowered, plays a role in bearing the unmanned aerial vehicle, and plays a role in protection when the unmanned aerial vehicle falls down due to faults; the outer surface and the inner surface of the bottom of the buoyancy tank 2 are respectively provided with a clamping hook for fixing the rigid rope I3 and the rigid rope II 6;
The rigid rope I3 and the rigid rope II 6 are long ropes with high rigidity, and have small deformation under the pulling action of the unmanned aerial vehicle 1 and the self-contained hydrophone 5, so that the bearing effect is achieved; the rigid rope II 6 can be marked for judging the depth of the self-contained hydrophone 5;
The elastic rope 4 is an elastic short rope, and plays a role in vibration reduction when the unmanned aerial vehicle is out of control or the water flow is large, so that the external mechanical force is prevented from generating excessive influence on the precision of the test system;
The self-contained hydrophone 5 is used for monitoring underwater sound, and a stabilizing wing is arranged on the side face of the self-contained hydrophone to prevent the influence of water flow acting force on the test;
The unmanned aerial vehicle 1 is connected with the inner surface of the bottom of the buoyancy tank 2 through a rigid rope I3; one end of the rigid rope II 6 is connected with the elastic rope 4, and the other end of the rigid rope II is connected with the outer surface of the bottom of the buoyancy tank 2; the other end of the elastic rope 4 is connected with a self-contained hydrophone 5.
the underwater sound measuring device comprises the following specific steps:
(a) The rigid rope II 6 is connected with the elastic rope 4 in series;
(b) A stabilizing wing is arranged on the side surface of the self-contained hydrophone 5;
(c) The buoyancy tank 2 is designed according to the size of the unmanned aerial vehicle 1 and the negative buoyancy of the self-contained hydrophone 5, the buoyancy of the buoyancy tank 2 is required to support the unmanned aerial vehicle 1 and the self-contained hydrophone 5, meanwhile, the total weight of the buoyancy tank 2 and the self-contained hydrophone 5 does not exceed the maximum load of the unmanned aerial vehicle 1, and in addition, the volume of the buoyancy tank 2 is enough to accommodate the unmanned aerial vehicle 1 to stably stop; respectively processing clamping hooks on the outer surface and the inner surface of the bottom of the buoyancy tank 2;
(d) on a barge, a buoyancy tank 2 is connected with a self-contained hydrophone 5 through a rigid rope II 6 and an elastic rope 4, the end of the rigid rope II 6 is connected with the buoyancy tank 2, the end of the elastic rope 4 is connected with the self-contained hydrophone 5, and the self-contained hydrophone 5 is put into water;
(e) the barge is close to the buoyancy tank 2, the buoyancy tank 2 is connected with the unmanned aerial vehicle 1 through a rigid rope I3, and the unmanned aerial vehicle stops on the buoyancy tank 2;
(d) Before the test begins, the barge drives away, the unmanned aerial vehicle 1 is remotely controlled to take off on the barge, the buoyancy tank 2 is separated from the water surface, the unmanned aerial vehicle 1 is remotely controlled to a specified water area through GPS positioning, the depth of the self-contained hydrophone 5 is judged through the identification on the rigid rope II 6, and after the system is stabilized, the test work is started.
in summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. the utility model provides an underwater sound measuring device suitable for large-depth open lake surface which characterized in that: the underwater sound measuring device comprises an unmanned aerial vehicle (1), a buoyancy tank (2), a rigid rope I (3), a rigid rope II (6), an elastic rope (4) and a self-contained hydrophone (5); the rigid rope II (6) is provided with a mark for judging the depth of the self-contained hydrophone (5);
a GPS positioning system is arranged on the unmanned aerial vehicle (1), and the unmanned aerial vehicle (1) is connected with the inner surface of the bottom of the buoyancy tank (2) through a rigid rope I (3); one end of the rigid rope II (6) is connected with the elastic rope (4), and the other end of the rigid rope II is connected with the outer surface of the bottom of the buoyancy tank (2); the other end of the elastic rope (4) is connected with the self-contained hydrophone (5).
2. the underwater acoustic measurement device suitable for the large-depth wide lake surface according to claim 1, wherein: stabilizing wings are arranged on the side surfaces of the self-contained hydrophone (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821778566.7U CN209783730U (en) | 2018-10-30 | 2018-10-30 | Underwater sound measuring device suitable for large-depth open lake surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821778566.7U CN209783730U (en) | 2018-10-30 | 2018-10-30 | Underwater sound measuring device suitable for large-depth open lake surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209783730U true CN209783730U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821778566.7U Expired - Fee Related CN209783730U (en) | 2018-10-30 | 2018-10-30 | Underwater sound measuring device suitable for large-depth open lake surface |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374108A (en) * | 2018-10-30 | 2019-02-22 | 中国船舶重工集团公司第七〇九研究所 | A kind of underwater acoustic measurement device suitable for the open lake surface of big depth |
-
2018
- 2018-10-30 CN CN201821778566.7U patent/CN209783730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374108A (en) * | 2018-10-30 | 2019-02-22 | 中国船舶重工集团公司第七〇九研究所 | A kind of underwater acoustic measurement device suitable for the open lake surface of big depth |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 Termination date: 20201030 |