CN111976895B - Multi-element acoustic array towing body based on vertical low-resistance follow-up linear design - Google Patents

Multi-element acoustic array towing body based on vertical low-resistance follow-up linear design Download PDF

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Publication number
CN111976895B
CN111976895B CN202010843101.0A CN202010843101A CN111976895B CN 111976895 B CN111976895 B CN 111976895B CN 202010843101 A CN202010843101 A CN 202010843101A CN 111976895 B CN111976895 B CN 111976895B
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towing
wing
platform
vertical
acoustic
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CN111976895A (en
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应晓伟
苏石飞
洪有财
范进良
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715th Research Institute of CSIC
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715th Research Institute of CSIC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/56Towing or pushing equipment
    • B63B21/66Equipment specially adapted for towing underwater objects or vessels, e.g. fairings for tow-cables
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32Other means for varying the inherent hydrodynamic characteristics of hulls
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/10Measures 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 multielement acoustic array towing body based on a vertical low-resistance follow-up linear design, which comprises a towing platform, a balance tail wing and a multielement acoustic array frame, wherein a top installation shell is arranged above the towing platform, the multielement acoustic array frame is connected with the top towing platform and a bottom installation seat to form an array frame for installing an acoustic transducer, a towing body shell is arranged outside the towing platform and the multielement acoustic array frame, an electronic cabin and a non-acoustic sensor are arranged on the towing platform, and the tail part of the towing body shell is connected with the balance tail wing. The invention has good submergence and submergence characteristics and stable towing gesture, and can be used for carrying multi-element large-scale plane acoustic equipment to carry out submarine target detection, topography and topography investigation, ocean science investigation, military investigation and the like.

Description

Multi-element acoustic array towing body based on vertical low-resistance follow-up linear design
Technical Field
The invention relates to the field of underwater carrying platforms, in particular to a multi-element acoustic array towing body based on vertical low-resistance follow-up linear design.
Background
The research and development of towing technology have been in decades and have been used in the marine field in large numbers, carrying acoustic instruments for various purposes, applied to marine science surveys, military surveys, target surveys, submarine topography surveys, marine environmental surveys, etc. The towed body is used as a towing carrying platform, and when the acoustic transducer is carried, the towed body is required to have stable platform posture, small flow noise and good sound transmission performance, but according to the continuous theory of fluid mechanics, only the slender towed body can meet the conditions. The elongate towing body has less resistance and vertical follow-up similar to a torpedo but has contradiction with square or rectangular matrixes with large area in the mode of acoustic transducer array. The adoption of the vertical low-resistance follow-up design can effectively reduce the phenomenon that the towed body leans transversely to damage the towed head due to overlarge vertical resistance. The trailing gesture stability of the heavier towed body is balanced by utilizing the tail wing with multiple wing surfaces, and the higher size effect ratio of the dimension to the gesture maintenance can be obtained.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a multi-element acoustic array towing body based on a vertical low-resistance follow-up linear design.
The invention aims at being completed by the following technical scheme: the multi-element acoustic array towing body based on the vertical low-resistance follow-up linear design comprises a towing platform, a balance tail wing and a multi-element acoustic array frame, wherein a top installation shell is installed above the towing platform, the multi-element acoustic array frame is connected with the top towing platform and a bottom installation seat to form an array frame for installing an acoustic transducer, a towing body shell is installed outside the towing platform and the multi-element acoustic array frame, an electronic cabin and a non-acoustic sensor are installed on the towing platform, and the tail part of the towing body shell is connected with the balance tail wing; the smooth transition is adopted between the top mounting shell and the towing body shell, so that the towing body generates smaller resistance when moving downwards and vertically.
The multi-element sound matrix frame is formed by connecting 8 stepped connecting rods with a top dragging platform and a bottom mounting seat, and is used for mounting 24-element sound transducers.
The balance tail adopts a tail structure with three vertical planes combined with three horizontal planes, and comprises a vertical wing A, a vertical wing B, 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 fin for adjusting and counteracting the fixed towing angle of the towed body caused by the asymmetry of linear processing.
The towing body is wide in appearance, is arranged at the top of the shell, and gradually contracts downwards to the bottom of the shell in a regular line shape.
The shell of the towing body is made of carbon fiber materials, and the thickness of the shell is designed to have high sound permeability through the sound permeability.
The beneficial effects of the invention are as follows: the top towing platform disclosed by the invention has the advantages that as the electronic cabin and the non-acoustic sensor are installed, a larger transverse space is occupied, and a fairing transition is adopted between the electronic cabin and the non-acoustic sensor and the multi-element acoustic array which occupies a smaller transverse space, so that the resistance generated by the towing body in the downward vertical movement is smaller, the verticality of the towing body is ensured, the towing body has better trailing property, and the situation that the towing body is inclined and the towing head towing cable is damaged due to overlarge vertical resistance is avoided; the towed body adopts a gravity towing mode, so that the towed body has good submerged floating characteristics, good hydrodynamic performance, stable posture during towing and small flow noise; the transducer is installed on the matrix frame in a soft connection mode, and the transmitting signal is not distorted; the tail wing adopts a layout of three vertical wings and three horizontal wings, and the middle vertical wing is provided with an adjusting wing, so that the fixed dragging transverse inclination angle of the tail body caused by asymmetrical processing can be adjusted; the device has good submergence and surfacing characteristics and stable towing gesture, and can be used for carrying multi-element large-scale planar acoustic equipment to perform submarine target detection, topography and topography investigation, ocean science investigation, military investigation and the like.
Drawings
Fig. 1 is a schematic elevational 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 the top mounting housing a portion of the present invention in a principal line of sight.
Fig. 6 is a schematic top view of the top mounting housing a portion of the present invention.
FIG. 7 is a schematic A-A cross-sectional schematic view of portion A of the top mounting housing of the present invention.
Fig. 8 is a left-view schematic of the top mounting housing a portion of the present invention.
Fig. 9 is a line drawing of the horizontal division of the outer edge of the top mounting case a portion of the present invention.
Fig. 10 is a longitudinally split line view of the outer edge of the top mounting housing a portion of the present invention.
Fig. 11 is a line drawing of the horizontal division of the inner edge of the top mounting case a portion of the present invention.
Fig. 12 is a longitudinal split line view of the inner edge of the top mounting case a portion of the present invention.
Fig. 13 is a schematic view of the top mounting housing B portion of the present invention in a principal line of sight.
Fig. 14 is a schematic top view of a top mounting housing B portion of the present invention.
FIG. 15 is a schematic A-A cross-sectional view of the top mounting housing B portion of the present invention.
Fig. 16 is a left-view schematic of the top mounting housing B portion of the present invention.
Fig. 17 is a line drawing of the outer edge horizontal division of the top mounting case B portion of the present invention.
Fig. 18 is a longitudinally split line view of the outer edge of the top mounting housing B portion of the present invention.
Fig. 19 is a line drawing of the horizontal division of the inner edge of the top mounting case B part of the present invention.
Fig. 20 is a longitudinal split line view of the inner edge of the top mounting case B portion of the present invention.
Fig. 21 is a schematic view of the main view of the towed body housing of the present invention.
Fig. 22 is a top view schematic of a towed body housing of the present invention.
Fig. 23 is a schematic A-A cross-sectional line drawing of a towed body housing of the present invention.
Fig. 24 is a left-view schematic of the towed body housing of the present invention.
Fig. 25 is a schematic view of a B-B cross-sectional line of the towed body housing of the present invention.
Fig. 26 is a line drawing of the outer rim waterline split of the towed body housing of the present invention.
Fig. 27 is a longitudinally split line view of the outer edge of the trailing body housing of the present invention.
Fig. 28 is a line drawing of the inner edge waterline split of the towed body housing of the present invention.
Fig. 29 is a longitudinally split line view of the inner edge of the trailing body housing of the present invention.
Reference numerals illustrate: the device comprises a towing platform 1, a multi-element sound matrix frame 2, a balance tail 3, a towing body shell 4, a top mounting shell 5, a bottom mounting seat 6, a sound 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 15, a step-shaped 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 attached drawings:
examples: as shown in the accompanying drawings 1-4, the multi-element acoustic array towing body based on the vertical low-resistance follow-up linear design mainly comprises a towing platform 1, a multi-element acoustic array frame 2, a balance tail 3, a towing 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 towing platform 1, the towing platform 1 and the multi-element acoustic array frame 2 are externally provided with a towing body shell 4, the towing body shell 4 is made of carbon fiber materials, and the thickness of the towing body shell is designed through acoustic transmission performance, so that the multi-element acoustic array towing body has higher acoustic transmission performance. The smooth transition is adopted between the top mounting shell and the towing body shell, so that the towing body generates smaller resistance when moving downwards and vertically. The towing platform 1 is connected and installed on the bottom installation seat 6 through eight step-type connecting rods to form a multi-element sound array frame 2, and a 24-element sound transducer 7 is installed on the multi-element sound array frame 2 and works at low frequency. The connection between the acoustic transducer 7 and the multi-element acoustic array frame 2 adopts a flexible connection 8, so that acoustic signal distortion generated by resonance of the multi-element acoustic array frame 2 is counteracted. The electronic cabin 17 and the non-acoustic sensor 18 are arranged on the towing platform 1, and the tail part of the towing body shell 4 is connected with the balance tail 3. The balance tail 3 comprises vertical wings A9, R10 and C11 which are vertically arranged, and horizontal wings A12, R13 and C14 which are horizontally arranged, so that the motion stability of the towed body when towed in water is ensured, and an adjusting tail 15 is arranged on the vertical wings R10 to adjust and offset the fixed towing angle of the towed body caused by the asymmetry of linear processing.
The towing body adopts a design that the top of a top installation shell (namely the towing platform 1) is wider, and gradually contracts downwards to the bottom of the towing body in a regular linear mode, and adopts a tail fin design that three vertical planes are combined with three horizontal planes at the tail of the towing body, so that the resistance of the towing body to vertical movement caused by towing of a towing rope can be effectively reduced when the towing body based on the linear design is towed, the towing body has good follow-up performance, and the safety of the vertical movement of towing equipment is protected. The size design of the towing body is required to meet the installation requirement of all the internal parts, the design of the towing body is carried out after the sizes and the installation modes of all the equipment in the earlier stage are determined, and the towing body part adopts a plurality of paint spraying methods and other means to reduce the flow noise generated by friction as much as possible.
The large-scale planar array formed by 24-element acoustic transducers 7 can be arranged in the towing body, the line type of the towing body in the vertical direction and the horizontal direction is optimized for a plurality of times according to the continuous theory of fluid mechanics and the Bernoulli equation calculated by the flow field, and the better balance between the resistance performance and the large-area planar array towing body is obtained.
The top mounting shell 5 is formed by splicing a part A and a part B, as shown in figures 5-8, a linear diagram of the part A of the top mounting shell 5 is disclosed, and the outer edge of figure 9 is divided into a linear diagram horizontally; fig. 10 is a view of an outer edge divided longitudinally, and fig. 11 is a view of an inner edge divided horizontally; FIG. 12 is a view of a line of the longitudinal split of the inner edge.
Stop sign 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 / /
Waterplane area type value meter (half-width)
Stop sign 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 meter
Stop sign 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 / /
Waterplane area type value meter (half-width)
Stop sign 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 meter
Fig. 13-16 disclose line drawings of part B of the top mounting case 5, the outer edge of fig. 17 being horizontally split line drawings; fig. 18 is a view of an outer edge divided longitudinally, and fig. 19 is a view of an inner edge divided horizontally; FIG. 20 is a view showing the longitudinal split line of the inner edge.
Stop sign 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
Waterplane area type value meter (half-width)
Stop sign 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 meter
Stop sign 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
Waterplane area type value meter (half-width)
Stop sign 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 meter
Fig. 21-25 disclose a line drawing of the towed body housing 4, with the outer rim line of fig. 26 being split into line drawings; FIG. 27 is a view of a line split in the outer edge longitudinal direction, and FIG. 28 is a view of a line split in the inner edge water line; fig. 29 is a line drawing of the inner edge longitudinal division.
Stop sign 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
IV 0 199.2 220.5 227.3 226.4 221.9 214.9 206.2 195.9 183.7 0
V 0 182.5 182.5 182.5 182.5 182.5 182.5 182.5 182.5 182.5 0
Outer fringe waterplane area type value meter (half-width)
Stop sign 0 1 2 3 4 5 6 7 8 9 10
A 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 meter
Stop sign 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 margin waterplane type value table (half width)
Stop sign 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 margin longitudinal section type value meter (half width)
The installation process of the invention comprises the following steps:
the towing body is installed in a mode that the towing body and the balance tail 3 are separated and installed and finally folded. The towed body is first mounted with the acoustic array and the acoustic transducer 7 is mounted on the stepped connecting rod 16 by means of the flexible connection 8. After the acoustic transducer 7 is installed, the towing platform 1 and the step-shaped connecting rod 16 are installed together. The internal electronics compartment is mounted inside the multi-element acoustic array frame 2 and wiring of the acoustic transducers 7 is performed. After the multi-element acoustic array frame 2 and the acoustic transducer 7 are installed, the whole body of the multi-element acoustic array frame is sleeved into the towing body and fixed by adopting screws outside the towing body. A top non-acoustic sensor 18 and an electronics compartment 17 are mounted and cabled. Finally, the tail support rod is installed and the top installation shell 5 is installed. The stabilizer 3 first mounts the horizontal wing B13, sequentially mounts the vertical wing B10, the vertical wing A9, and the vertical wing C11, and finally mounts the horizontal wing a12 and the horizontal wing C14. The balance tail 3 is arranged on the towing body main body by utilizing the supporting rods, and then the whole towing body is integrated.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present invention should fall within the scope of the claims appended hereto.

Claims (4)

1. A multi-element acoustic array towing body based on vertical low-resistance follow-up linear design is characterized in that: the device comprises a towing platform (1), a balance tail wing (3) and a multi-element sound array frame (2), wherein a top installation shell (5) is installed above the towing platform (1), the multi-element sound array frame (2) is connected with the top towing platform (1) and a bottom installation seat (6) to form an array frame for installing a sound transducer (7), a towing body shell (4) is installed outside the towing platform (1) and the multi-element sound array frame (2), 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 the balance tail wing (3); the top mounting shell (5) and the towing body shell (4) adopt smooth transition, so that the towing body generates smaller resistance when moving downwards and vertically.
2. The multi-element acoustic array towed body based on a vertical low resistance follow-up linear design of claim 1, wherein: the multi-element sound matrix frame (2) is formed by connecting a top dragging platform (1) and a bottom mounting seat (6) through 8 stepped connecting rods (16), a matrix frame for mounting a 24-element sound transducer (7) is formed, and soft connection (8) is adopted for connection between the sound transducer (7) and the matrix frame.
3. The multi-element acoustic array towed body based on a vertical low resistance follow-up linear design of claim 1, wherein: the balance tail wing (3) adopts a tail wing structure with three vertical planes combined with three horizontal planes, and comprises a vertical wing A (9), a vertical wing B (10), a vertical wing C (11), a horizontal wing A (12), a horizontal wing B (13) and a horizontal wing C (14) which are vertically arranged; an adjusting tail wing (15) is arranged on the vertical wing B (10) and is used for adjusting and counteracting the fixed towing angle of the towed body caused by the asymmetry of linear processing.
4. The multi-element acoustic array towed body based on a vertical low resistance follow-up linear design of claim 1, wherein: the towing body is wider in appearance at the top mounting shell (5), and gradually contracts downwards to the bottom regular line type.
CN202010843101.0A 2020-08-20 2020-08-20 Multi-element acoustic array towing body based on vertical low-resistance follow-up linear design Active CN111976895B (en)

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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
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8964501B2 (en) * 2008-05-25 2015-02-24 Westerngeco L.L.C. System and technique to determine high order derivatives from seismic sensor data

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
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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