CN111976895A - Multi-element acoustic array towing body based on vertical low-resistance follow-up line type design - Google Patents
Multi-element acoustic array towing body based on vertical low-resistance follow-up line type design Download PDFInfo
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- CN111976895A CN111976895A CN202010843101.0A CN202010843101A CN111976895A CN 111976895 A CN111976895 A CN 111976895A CN 202010843101 A CN202010843101 A CN 202010843101A CN 111976895 A CN111976895 A CN 111976895A
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- 238000013461 design Methods 0.000 title claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000011835 investigation Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/56—Towing or pushing equipment
- B63B21/66—Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
- B63B1/32—Other means for varying the inherent hydrodynamic characteristics of hulls
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a multi-element acoustic array towed body based on vertical low-resistance follow-up line type design, which comprises a towed platform, a balance tail wing and a multi-element acoustic array frame, wherein a top mounting shell is arranged above the towed platform, the multi-element acoustic array frame is connected with the top towed platform and a bottom mounting seat to form the array frame for mounting an acoustic transducer, towed body shells are arranged outside the towed platform and the multi-element acoustic array frame, an electronic cabin and a non-acoustic sensor are arranged on the towed platform, and the tail part of each towed body shell is connected with the balance tail wing. The invention has good submerging and surfacing characteristics and stable towing attitude, and can be used for carrying multiple large-scale planar acoustic equipment to perform submarine target detection, topographic survey, marine scientific survey, military survey and the like.
Description
Technical Field
The invention relates to the field of underwater carrying platforms, in particular to a multi-element acoustic array towed body based on vertical low-resistance follow-up linear design.
Background
The research and development of towing technology has been in history for decades, and is widely used in the marine field, and various acoustic instruments with different purposes are carried, so that the towing technology is applied to marine scientific investigation, military investigation, target detection, submarine topography investigation, marine environment investigation and the like. The towed body is used as a towing carrying platform, and when the towed body is used for carrying an acoustic transducer, the towed body is required to have stable platform posture, low flow noise and good sound transmission performance, but according to the continuous theory of hydrodynamics, only a slender towed body can meet the conditions. The slender towed body has small resistance and vertical following performance similar to a torpedo, but has a contradiction with a square or rectangular array with a large area often in the mode of an acoustic transducer array. The vertical low-resistance follow-up design can effectively reduce the phenomenon that the drag body transversely inclines due to overlarge vertical resistance so as to damage the drag head. The use of a multi-airfoil tail to balance the towing attitude stability of a heavier tow also allows for a higher dimensional to attitude ratio.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a multi-element acoustic array towed body based on vertical low-resistance follow-up linear design.
The purpose of the invention is achieved by the following technical scheme: the multi-element acoustic array towed body based on the vertical low-resistance follow-up line type design comprises a towed platform, a balance tail wing and a multi-element acoustic array frame, wherein a top mounting shell is mounted above the towed platform, the multi-element acoustic array frame is connected with the top towed platform and a bottom mounting seat to form the array frame for mounting an acoustic transducer, towed body shells are mounted outside the towed platform and the multi-element acoustic array frame, an electronic cabin and a non-acoustic sensor are mounted on the towed platform, and the tail part of each towed body shell is connected with the balance tail wing; smooth transition is adopted between the top mounting shell and the dragging body shell, so that the drag body generates smaller resistance when doing downward vertical movement.
The multi-element acoustic array frame is formed by connecting a top dragging platform and a bottom mounting seat through 8 stepped connecting rods to form the array frame for mounting the 24-element acoustic transducer, and the acoustic transducer is in flexible connection with the array frame.
The balance tail wing adopts a tail wing structure combining three vertical planes and three horizontal planes, and comprises a vertical wing A, a vertical wing B and a vertical wing C which are vertically arranged, and a horizontal wing A, a horizontal wing B and a horizontal wing C which are horizontally arranged; the vertical wing B is provided with an adjusting tail wing which is used for adjusting and offsetting a fixed towing angle of the towed body caused by the line processing asymmetry.
The shape of the towing body is a regular line shape with a wider top mounting shell and gradually shrinking downwards to the bottom.
The towed body shell is made of carbon fiber materials, and the thickness of the towed body shell is designed through sound transmission performance, so that the towed body shell has high sound transmission performance.
The invention has the beneficial effects that: according to the top towing platform, due to the fact that the electronic cabin and the non-acoustic sensor need to occupy a large transverse space when being installed, and smooth transition is adopted between the electronic cabin and the flat multi-element acoustic array which occupies a small transverse space, resistance generated when the towing body vertically moves downwards is small, verticality of the towing body is guaranteed, the towing body has good follow-up performance, and the situation that the towing body is inclined in posture and the towing cable at the towing head is damaged due to the fact that vertical resistance is too large is avoided; the towed body adopts a gravity towing mode, so that the towed body has good submerging and surfacing characteristics, good hydrodynamic performance, stable posture during towing and small flow noise; the base array frame adopts a flexible connection form to install the transducer, and transmitted signals are not distorted; the tail wing adopts the layout of three vertical wings and three horizontal wings, and the middle vertical wing is provided with an adjusting wing which can adjust the fixed towing transverse inclination angle of the towed body caused by processing asymmetry; the underwater floating type underwater acoustic device has good submerging and floating characteristics and stable towing posture, and can be used for carrying multiple large-scale planar acoustic devices to perform submarine target detection, topographic and topographic investigation, marine scientific investigation, military investigation and the like.
Drawings
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a schematic view of the internal structure of the present invention.
FIG. 5 is a schematic view of a portion of the top mount housing A of the present invention in a primary line of sight configuration.
Fig. 6 is a top line schematic view of a portion of a top mount housing a of the present invention.
Fig. 7 is a cross-sectional line-type schematic view a-a of portion a of the top-mount housing a of the present invention.
Fig. 8 is a left line-of-sight schematic of a portion of the top-mount housing a of the present invention.
Fig. 9 is a sectional view of the outer edge of the part a of the top-mount case of the present invention.
FIG. 10 is a line drawing of a longitudinal split of the outer edge of part A of the top-mount housing of the present invention.
Fig. 11 is a horizontal split line view of the inner edge of part a of the top-mount housing of the present invention.
Fig. 12 is a longitudinal sectional line view of the inner edge of part a of the top-mount housing of the present invention.
FIG. 13 is a front view of a portion of a top mount housing B of the present invention.
Fig. 14 is a top line schematic view of a portion of a top mount housing B of the present invention.
FIG. 15 is a cross-sectional line-type schematic view A-A of portion B of the top-mount housing of the present invention.
FIG. 16 is a left line-of-sight type schematic view of a portion of a top-mount housing B of the present invention.
FIG. 17 is a sectional view of the outer edge of the portion of the top-mount housing B of the present invention in a horizontal split line configuration.
FIG. 18 is a line drawing of a longitudinal split of the outer edge of a portion of a top-mount housing B of the present invention.
Fig. 19 is a horizontal split line view of the inner edge of the portion of the top-mount housing B of the present invention.
Fig. 20 is a longitudinal split line view of the inner edge of a portion of a top-mount housing B of the present invention.
Fig. 21 is a schematic view of the primary line of sight type of the towed body outer shell of the present invention.
Fig. 22 is a top view line type schematic diagram of a towed body outer shell of the present invention.
FIG. 23 is a cross-sectional A-A line drawing of the trailer housing of the present invention.
FIG. 24 is a left line-of-sight version of the present invention towed body enclosure.
FIG. 25 is a B-B cross-sectional linear schematic view of the trailer housing of the present invention.
Fig. 26 is a sectional view of the outer waterline of the trailer case according to the present invention.
FIG. 27 is a line drawing of a longitudinal split of the outer edge of the drag body housing of the present invention.
Fig. 28 is a divided line view of the inner waterline of the trailer shell according to the present invention.
FIG. 29 is a longitudinal split line view of the inner periphery of the trailing body outer shell of the present invention.
Description of reference numerals: the acoustic basic array comprises a towing platform 1, a multi-element acoustic basic array frame 2, a balance tail wing 3, a towing body shell 4, a top mounting shell 5, a bottom mounting seat 6, an acoustic transducer 7, a flexible connection 8, a vertical wing A9, a vertical wing R10, a vertical wing C11, a horizontal wing A12, a horizontal wing R13, a horizontal wing C14, an adjusting tail wing 15, a stepped connecting rod 16, an electronic cabin 17 and a non-acoustic sensor 18.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached drawings 1-4, the multi-element acoustic array towed body based on the vertical low-resistance follow-up line type design mainly comprises a towed platform 1, a multi-element acoustic array frame 2, a balance tail wing 3, a towed body shell 4, a top mounting shell 5, a bottom mounting seat 6, an acoustic transducer 7, an electronic cabin 17 and a non-acoustic sensor 18, wherein the top mounting shell 5 is mounted above the towed platform 1, the towed platform 1 and the multi-element acoustic array frame 2 are externally mounted with the towed body shell 4, the towed body shell 4 is made of carbon fiber materials, the thickness of the towed body shell is designed through sound transmission performance, and the towed body shell has high sound transmission performance. Smooth transition is adopted between the top mounting shell and the dragging body shell, so that the drag body generates smaller resistance when doing downward vertical movement. The towing platform 1 is connected and installed on the bottom installation base 6 through eight stepped connecting rods 16 to form a multi-element acoustic basic array frame 2, and 24-element acoustic transducers 7 are installed on the multi-element acoustic basic array frame 2 and work at low frequency. The flexible connection 8 is adopted for the connection between the acoustic transducer 7 and the multi-element acoustic base array frame 2, so that acoustic signal distortion generated by resonance of the multi-element acoustic base array frame 2 is counteracted. An electronic cabin 17 and a non-acoustic sensor 18 are installed on the towing platform 1, and the tail part of the towing body shell 4 is connected with and provided with a balance tail wing 3. The balancing tail wing 3 comprises a vertical wing A9, a vertical wing R10, a vertical wing C11, a horizontal wing A12, a horizontal wing R13 and a horizontal wing C14 which are vertically arranged, so that the motion stability of the towed body when the towed body is towed in water is ensured, and the adjusting tail wing 15 is arranged on the vertical wing R10 to adjust and offset a fixed towing angle of the towed body caused by the asymmetry of linear processing.
The towing body adopts the design that the top of the top mounting shell (namely, the towing platform 1) is wider and is gradually contracted downwards to a regular linear type at the bottom, and adopts the tail wing design that three vertical surfaces are combined with three horizontal planes at the tail part, so that the towing body based on the linear design can effectively reduce the resistance of the towing body to vertical motion caused by towing of the towing cable during towing, has good follow-up performance, and protects the vertical motion safety of towing equipment. The size of the towing body is designed to meet the installation requirement of each internal component, the towing body is designed after the sizes and installation modes of various devices are determined in the previous period, and the towing body adopts means such as multiple times of paint spraying and the like to reduce the flow noise generated by friction as much as possible.
The inside of the towed body can be provided with a large-scale planar array composed of 24-element acoustic transducers 7, the line types of the towed body in the vertical direction and the horizontal direction are optimized for many times according to the continuous theory of fluid mechanics and the Bernoulli equation calculated by a flow field, and the good balance between the resistance performance and the large-area planar array towed body is obtained.
The top mounting shell 5 is formed by splicing a part A and a part B, as shown in a linear diagram of the part A of the top mounting shell 5 in fig. 5-8, and a linear diagram is horizontally divided by the outer edge of fig. 9; FIG. 10 is a line view of a longitudinal split at the outer edge, and FIG. 11 is a line view of a horizontal split at the inner edge; FIG. 12 is a line drawing of the inner edge divided longitudinally.
| |
0 | 1 | 2 | 3 | 4 | 5 |
| I | 351.7 | 323.3 | 288.1 | 246.5 | 197.3 | 0 |
| II | 313.7 | 281.7 | 238.9 | 176.2 | / | / |
Water line surface type value meter (half width)
| |
0 | 1 | 2 | 3 | 4 | 5 |
| A | 186.7 | 171.8 | 151.9 | 125.9 | 90.7 | 0 |
| B | 162.3 | 145.1 | 121.2 | 88 | / | / |
Longitudinal section type value table
| |
0 | 1 | 2 | 3 | 4 | 5 |
| III | 339.2 | 310.7 | 275.5 | 233.8 | 184.5 | 0 |
| IV | 301.9 | 266.8 | 220.2 | 144.1 | / | / |
Water line surface type value meter (half width)
| |
0 | 1 | 2 | 3 | 4 | 5 |
| C | 176.7 | 161.8 | 141.9 | 115.9 | 82 | 0 |
| D | 151.7 | 134 | 109.3 | 73.6 | / | / |
Longitudinal section type value table
Fig. 13-16 disclose line views of part B of the top mounting housing 5, fig. 17 with the outer edge dividing the line views horizontally; FIG. 18 is a line drawing of a longitudinal split at the outer edge, and FIG. 19 is a line drawing of a horizontal split at the inner edge; FIG. 20 is a line drawing of the inner edge divided longitudinally.
| |
0 | 1 | 2 | 3 | 4 | 5 |
| I | 0 | 306.7 | 365.4 | 380 | 371.8 | 351.7 |
| II | / | 254.1 | 324.6 | 342.5 | 334.8 | 313.7 |
Water line surface type value meter (half width)
| |
0 | 1 | 2 | 3 | 4 | 5 |
| A | 0 | 174.6 | 197 | 200 | 196.4 | 186.7 |
| B | / | 133.1 | 169.3 | 176.9 | 173.3 | 162.1 |
Longitudinal section type value table
| |
0 | 1 | 2 | 3 | 4 | 5 |
| III | / | 296.8 | 355.6 | 370 | 361.7 | 341.7 |
| IV | / | 237.8 | 310.4 | 329 | 321.3 | 299.4 |
Water line surface type value meter (half width)
| |
0 | 1 | 2 | 3 | 4 | 5 |
| C | / | 164.5 | 187 | 190 | 186.4 | 176.6 |
| D | / | 121.6 | 158.8 | 166.6 | 163 | 151.9 |
Longitudinal section type value table
Fig. 21-25 disclose line views of the trailer shell 4, fig. 26 the waterline cuts the line views; FIG. 27 is a line graph of a longitudinal split at the outer edge and FIG. 28 is a line graph of a water line split at the inner edge; FIG. 29 is a line drawing of the inner edge divided longitudinally.
| |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| I | 0 | 306.6 | 365.4 | 380 | 371.8 | 351.7 | 323.3 | 288.1 | 246.5 | 197.3 | 0 |
| II | 0 | 265.8 | 317.6 | 331.7 | 326.4 | 311.1 | 289.2 | 261.9 | 229.6 | 191.5 | 0 |
| III | 0 | 228.2 | 267.8 | 279.4 | 276.7 | 266.8 | 252.2 | 233.9 | 212.3 | 186.8 | 0 |
| |
0 | 199.2 | 220.5 | 227.3 | 226.4 | 221.9 | 214.9 | 206.2 | 195.9 | 183.7 | 0 |
| |
0 | 182.5 | 182.5 | 182.5 | 182.5 | 182.5 | 182.5 | 182.5 | 182.5 | 182.5 | 0 |
Outer edge water line type value meter (half width)
| |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| |
0 | 1186 | 1383 | 1410 | 1409 | 1393 | 1360 | 1290 | 1098 | / | / |
| B | / | 457 | 864 | 949 | 933 | 861 | 716 | 427 | / | / | / |
| C | / | / | 381 | 490 | 451 | 319 | 66 | / | / | / | / |
Outer edge longitudinal section type value table
| |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| VI | / | 298 | 357.3 | 372 | 363.8 | 343.6 | 315.2 | 280 | 238.3 | 189.1 | / |
| VII | / | 257.3 | 309.3 | 323.6 | 318.2 | 303.2 | 281.1 | 253.9 | 221.5 | 183.4 | / |
| VIII | / | 220 | 259.4 | 271.3 | 268.6 | 258.8 | 244.1 | 225.9 | 204.2 | 178.7 | / |
| IX | / | 191.2 | 212.5 | 219.2 | 218.3 | 214.1 | 207 | 198.2 | 187.7 | 175.7 | / |
| X | / | 174 | 174 | 174 | 174 | 174 | 174 | 174 | 174 | 174 | / |
Inner edge water line type value meter (half width)
| |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| D | / | 1061 | 1310 | 1348 | 1345 | 1322 | 1274 | 1174 | 902 | / | / |
| E | / | 374 | 318 | 428 | 386 | 246 | / | / | / | / | / |
| F | / | / | 797 | 887 | 869 | 789 | 629 | 313 | / | / | / |
Inner edge longitudinal section type value meter (half width)
The installation process of the invention is as follows:
the installation sequence of the towed body is performed in such a way that the towed body and the balancing tail 3 are installed separately and finally folded. The towed body is first subjected to acoustic array mounting, with the acoustic transducer 7 mounted on the stepped connecting rod 16 by means of the flexible connection 8. After the acoustic transducer 7 is mounted, the towing platform 1 is mounted together with the stepped connecting rod 16. The internal electronics compartment is mounted inside the multielement acoustic matrix frame 2 and the wiring of the acoustic transducers 7 is done. After the multi-element acoustic matrix frame 2 and the acoustic transducer 7 are installed, the whole acoustic matrix frame is sleeved into the towing body main body and is fixed by screws outside the towing body main body. The overhead non-acoustic transducer 18 and electronics bay 17 are installed and cabled. And finally, mounting the empennage support rod and mounting the top mounting shell 5. The balance stabilizer 3 is first installed with the horizontal wing B13, the vertical wing B10, the vertical wing a9, and the vertical wing C11 in this order, and finally installed with the horizontal wing a12 and the horizontal wing C14. The balance tail fin 3 is arranged on the towing body main body by utilizing the supporting rod to complete the integration of the whole towing body.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (4)
1. A multi-element acoustic array towed body based on vertical low-resistance follow-up line type design is characterized in that: the acoustic array frame comprises a towing platform (1), a balance tail wing (3) and a multi-element acoustic array frame (2), a top mounting shell (5) is mounted above the towing platform (1), the multi-element acoustic array frame (2) is connected with the top towing platform (1) and a bottom mounting seat (6) to form the array frame for mounting an acoustic transducer (7), a towing body shell (4) is mounted outside the towing platform (1) and the multi-element acoustic array frame (2), an electronic cabin (17) and a non-acoustic sensor (18) are mounted on the towing platform (1), and the tail of the towing body shell (4) is connected with the balance tail wing (3); smooth transition is adopted between the top mounting shell (5) and the towing body shell (4), so that the towing body generates small resistance when doing downward vertical movement.
2. The multi-acoustic-array towed body based on the vertical low-resistance follow-up linear design according to claim 1, wherein: the multi-element acoustic array frame (2) is connected with a top dragging platform (1) and a bottom mounting seat (6) through 8 stepped connecting rods (16) to form the array frame for mounting a 24-element acoustic transducer (7), and the acoustic transducer (7) is connected with the array frame through a flexible connection (8).
3. The multi-acoustic-array towed body based on the vertical low-resistance follow-up linear design according to claim 1, wherein: the balance tail wing (3) adopts a tail wing structure combining three vertical planes and three horizontal planes, and comprises vertical wings A (9), vertical wings B (10), vertical wings C (11) which are vertically arranged, horizontal wings A (12), horizontal wings B (13) and horizontal wings C (14) which are horizontally arranged; the vertical wing B (10) is provided with an adjusting tail wing (15) for adjusting and offsetting a fixed towing angle of the towed body caused by the line processing asymmetry.
4. The multi-acoustic-array towed body based on the vertical low-resistance follow-up linear design according to claim 1, wherein: the shape of the towing body is wider at the position of the top mounting shell (5) and gradually shrinks downwards to a regular line shape at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010843101.0A CN111976895B (en) | 2020-08-20 | 2020-08-20 | Multi-element acoustic array towing body based on vertical low-resistance follow-up linear design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010843101.0A CN111976895B (en) | 2020-08-20 | 2020-08-20 | Multi-element acoustic array towing body based on vertical low-resistance follow-up linear design |
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| Publication Number | Publication Date |
|---|---|
| CN111976895A true CN111976895A (en) | 2020-11-24 |
| CN111976895B CN111976895B (en) | 2024-02-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189475B1 (en) * | 2000-06-22 | 2001-02-20 | The United States Of America As Represented By The Secretary Of The Navy | Propelled cable fairing |
| US20090290448A1 (en) * | 2008-05-25 | 2009-11-26 | Massimiliano Vassallo | System and Technique to Determine High Order Derivatives from Seismic Sensor Data |
| CN101823549A (en) * | 2010-04-13 | 2010-09-08 | 中国船舶重工集团公司第七一五研究所 | Full-depth three-dimensional control dragger |
| WO2015177637A1 (en) * | 2014-05-20 | 2015-11-26 | Cgg Services Sa | System and methods to manage a front-end of a seismic array |
| CN212332885U (en) * | 2020-08-20 | 2021-01-12 | 中国船舶重工集团公司第七一五研究所 | Multi-element acoustic array towing body based on vertical low-resistance follow-up line type design |
-
2020
- 2020-08-20 CN CN202010843101.0A patent/CN111976895B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189475B1 (en) * | 2000-06-22 | 2001-02-20 | The United States Of America As Represented By The Secretary Of The Navy | Propelled cable fairing |
| US20090290448A1 (en) * | 2008-05-25 | 2009-11-26 | Massimiliano Vassallo | System and Technique to Determine High Order Derivatives from Seismic Sensor Data |
| CN101823549A (en) * | 2010-04-13 | 2010-09-08 | 中国船舶重工集团公司第七一五研究所 | Full-depth three-dimensional control dragger |
| WO2015177637A1 (en) * | 2014-05-20 | 2015-11-26 | Cgg Services Sa | System and methods to manage a front-end of a seismic array |
| CN212332885U (en) * | 2020-08-20 | 2021-01-12 | 中国船舶重工集团公司第七一五研究所 | Multi-element acoustic array towing body based on vertical low-resistance follow-up line type design |
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| Publication number | Publication date |
|---|---|
| CN111976895B (en) | 2024-02-13 |
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