CN109945967B - Multi-drag line array element sensitivity parallel test system - Google Patents
Multi-drag line array element sensitivity parallel test system Download PDFInfo
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- CN109945967B CN109945967B CN201910182588.XA CN201910182588A CN109945967B CN 109945967 B CN109945967 B CN 109945967B CN 201910182588 A CN201910182588 A CN 201910182588A CN 109945967 B CN109945967 B CN 109945967B
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Abstract
The invention discloses a multi-tow-line array element sensitivity parallel test system which comprises a hoisting component, an underwater sound test component and a test support subsystem, wherein the hoisting component comprises a hoisting winch, a bearing rope, a bearing arm rod, a pulley, a protective sleeve box and a balance rope, the bottom of the bearing arm rod is connected with the pulley, the left side of the pulley is provided with the bearing rope, the left side of the bearing rope is connected with the hoisting winch, the right lower side of the pulley is provided with the balance rope, the middle of the bearing arm rod is provided with the protective sleeve box, the underwater sound test component is used for transmitting or receiving underwater sound signals and carrying out preliminary analysis and processing on the signals, the underwater sound test component mainly comprises a sound source device, a standard hydrophone, an oscilloscope and a fixed cable, and the fixed cable is fixedly connected with the sound source device, the standard hydrophone and the oscilloscope. The whole measurement value of the equipment is accurate, and meanwhile, the test operation is simple, convenient and flexible, the operability is strong, and the practicability is strong.
Description
Technical Field
The invention relates to the technical field of underwater acoustic equipment test identification, in particular to a multi-wire array element sensitivity parallel test system.
Background
With the establishment and implementation of the military and civil fusion strategy in the field of naval weaponry, more and more units such as scientific research institutes and military enterprises participate in the research and development of various weaponry of naval, the rapid development activity of equipment technology is continuously stimulated, and the situation that the traditional equipment is independently subjected to research and development tasks by a single department or unit is broken. Particularly, in recent years, more and more attention is paid to the field of underwater operations and equipment development in China, and a large number of underwater sound equipment related enterprises are emerged to participate in research and development work of underwater sound equipment. The establishment and research and development of the underwater acoustic equipment are not single sources under the traditional planning instruction mode, but a plurality of independent research and development units carry out comparison tests on respective initial products, and a winner of comprehensive test results of the performance of the initial products decides a unit for undertaking subsequent research and development and production tasks of the equipment.
Under a new equipment research and development mode in a new period, a performance scientific research test is carried out on a single product in a pre-research stage, a performance comparison test is carried out on products from a plurality of different sources, the conversion simultaneously requires that the comparison test follows the basic principle of fairness, justice and disclosure, and the innovation and new requirements of an equipment test method are brought, and are embodied in the following aspects: first, basic consistency of external test environment is required; secondly, testing the basic consistency of the use conditions of the equipment; thirdly, the testing method is implemented to be basically consistent.
For the towed linear array underwater acoustic equipment, the sensitivity of the array elements (hydrophones) is one of the key performance indexes. According to the traditional underwater acoustic testing and metering method, the sensitivity of an array element of a single linear array is mainly tested under a certain condition, the sensitivity tests of a plurality of linear arrays can only be implemented at the same place and at different time by using the same method, but the tests implemented at different time definitely have the conditions of inconsistent environmental influence, equipment measuring error and manual operation error, so that the requirement that the test conditions in the comparison test of a plurality of sets of towed linear arrays are basically consistent is difficult to meet.
Therefore, in order to solve the problem of consistency of sensitivity test environment, test equipment use conditions and method implementation in the comparison test of the towed linear array underwater acoustic equipment, the invention designs and realizes a multi-towed linear array element sensitivity parallel test system. Practical tests prove that the system better solves the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-drag linear array element sensitivity parallel test system, which solves the problem that the sensitivity of the multi-drag linear array element is simultaneously compared with the consistency of test strips in an experiment.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a many parallel test system of array element sensitivity of dragging line, includes to hang puts subassembly, underwater sound test component and test support subsystem, it puts the subassembly including hanging winch, bearing rope, bearing armed lever, pulley, protection cover box and balanced rope to hang, the pulley is connected to the bottom of bearing armed lever, the left side of pulley is equipped with the bearing rope, the winch is put in hanging in the left side of bearing rope, the right downside of pulley is equipped with balanced rope, the centre of bearing armed lever is equipped with the protection cover box, underwater sound test component establishes to be used for launching or receiving underwater acoustic signal to carry out preliminary analysis and processing to the signal, underwater sound test component mainly includes sound source device, standard hydrophone, oscilloscope and fixed cable, fixed cable all with sound source device, standard hydrophone, oscilloscope fixed connection.
As a further preferable mode of the present invention, the sound source device includes a transmitting transducer, a power amplifier and a signal source, and the transmitting transducer is communicated with the power amplifier and the signal source.
As a further preferable mode of the present invention, the test support subsystem is configured to be used for mounting a sound source device and a standard hydrophone, and includes a support ring, a sound source mounting support, a clamp, a vibration damping pad, and a balancing weight block, where the support ring is used for mounting a plurality of towed linear array elements to be tested.
As a further preferable mode of the present invention, the sound source device has a size of not more than 100cm × 30cm × 40 cm.
As a further preferable mode of the invention, the total weight of the hoisting winch is less than or equal to 1000kg, and the rope capacity is more than or equal to 200 m; the effective load is more than or equal to 10 kN; the power is more than or equal to 10kW, the working voltage is set to be 220V/330V, the rotating speed is more than or equal to 200r/min, and the rotating speed is adjustable.
As a further preferred aspect of the present invention, the load-bearing rope diameter: not less than 0.1 cm; the structure is as follows: more than or equal to 20 strands; the tensile strength is more than or equal to 2000 MPa.
(III) advantageous effects
The invention provides a multi-wire array element sensitivity parallel test system. The method has the following beneficial effects:
the device can simultaneously carry out static test on the sensitivity of a plurality of array elements to be tested under the condition of the water area on an experimental water pool or a lake, greatly improves the test efficiency and has stronger practicability.
The device integrally combines and cleans a hoisting component, an underwater sound testing component and a testing support subsystem, and is simple, convenient and flexible in testing operation, strong in operability, higher in accuracy and small in error.
Drawings
FIG. 1 is a schematic diagram of a general principle framework configuration of the present invention;
FIG. 2 is a schematic view of a hanging assembly of the present invention;
FIG. 3 is a diagram illustrating a subsystem of the test rack according to the present invention.
In the figure, a hoisting component-1, an underwater sound testing component-2, a testing support subsystem-3, a hoisting winch-4, a bearing rope-5, a bearing arm rod-6, a pulley-7, a protective sleeve box-8, a balance rope-9, a sound source device-10, a standard hydrophone-11, an oscilloscope-12, a transmitting transducer-13, a power amplifier-14, a signal source-15, a support ring-16, a sound source mounting support-17, a clamp-18, a vibration damping pad-19 and a balance weight block-20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: the parallel sensitivity testing system for the multi-towed-line array elements comprises a hoisting component 1, an underwater sound testing component 2 and a testing support subsystem 3, wherein the hoisting component 1 comprises a hoisting winch 4, a bearing rope 5, a bearing arm rod 6, a pulley 7, a protective sleeve box 8 and a balance rope 9, the bottom of the bearing arm rod 5 is connected with the pulley 7, the bearing rope 9 is arranged on the left side of the pulley 7, the hoisting winch 4 is connected with the left side of the bearing rope 9, the balance rope 9 is arranged on the lower right side of the pulley 7, the protective sleeve box 8 is arranged in the middle of the bearing arm rod 6, the underwater sound testing component 2 is used for transmitting or receiving underwater sound signals and preliminarily analyzing and processing the signals, the underwater sound testing component 2 mainly comprises a sound source device 10, a standard hydrophone 11, an oscilloscope 12 and fixed cables, and the fixed cables are connected with the sound source device 10, the standard hydrophone 11, the oscilloscope 12 and the fixed cables, The oscilloscope 12 is fixedly connected.
The sound source device 10 comprises a transmitting transducer 13, a power amplifier 14 and a signal source 15, wherein the transmitting transducer 13, the power amplifier 14 and the signal source 15 are communicated with each other. By means of this design, the sound source can be provided by means of the transmitting transducer 13, the power amplifier 14 and the signal source 15.
Test support divides system 3 to establish to be used for installing sound source device 10, standard hydrophone 11, test support divides system 3 to include support ring 16, sound source installing support 17, anchor clamps 18, damping pad 19, balancing weight 20, support ring 16 is used for installing many and is surveyed and drag linear array element, can utilize test support to divide system 3 to carry out abundant installation through such design and fix underwater acoustic test subassembly 2.
The sound source device 10 is not larger than 100cm × 30cm × 40cm in size. By means of the design, the sound source device 10 is prevented from being too large in size and insufficient in bearing capacity, and meanwhile, the sound source device is suitable in size and avoids large errors.
The total weight of the hoisting winch 4 is less than or equal to 1000kg, and the rope capacity is more than or equal to 200 m; the effective load is more than or equal to 10 kN; the power is more than or equal to 10kW, the working voltage is set to be 220V/330V, the rotating speed is more than or equal to 200r/min, and the rotating speed is adjustable. The parameters of the hoisting winch 4 are unified through the design, and the test error is avoided.
The diameter of the bearing rope 5 is as follows: not less than 0.1 cm; the structure is as follows: more than or equal to 20 strands; the tensile strength is more than or equal to 2000 MPa. The safety of the use of the load-bearing rope 5 can be enhanced by such design of suitable parameters.
The working principle is as follows: when the equipment is used, each test linear array is respectively installed on a support ring 16 of a test support subsystem 3, and a tested array element and a standard hydrophone 11 are respectively fixed at a test hole by using a clamp 18; mounting the sound source on a sound source mounting bracket 17 of the test bracket subsystem 3 by using a clamp 18; the test support subsystem 3 is kept balanced on a horizontal plane by using a balancing weight block 20, namely, a connecting line between the center of a measured array element and the center of a sound source is parallel to the ground, the distance from the center of a detected sound source to the center of each measured array element and a standard hydrophone is measured and checked, if the distance deviation value does not meet the specified requirement, corresponding adjustment is carried out, a transmitting sound source and power 14 and a signal source 15 are connected, the standard hydrophone 11 and an oscilloscope 12 are connected, the starting working condition of each device is checked, then, according to the test scheme requirement, the sound source transmits signals, open-circuit voltage values of the measured array elements of each linear array and open-circuit voltage values of the standard hydrophone 11 are respectively collected by using devices such as the oscilloscope 12 and the like, the sensitivity of the measured array elements of each linear array is calculated, after the test is finished, the test support subsystem 3 is recovered.
The invention relates to a hoisting component-1, an underwater sound testing component-2, a testing support subsystem-3, a hoisting winch-4, a bearing rope-5, a bearing arm-6, a pulley-7, a protective sleeve box-8, a balance rope-9, a sound source device-10, a standard hydrophone-11, an oscilloscope-12, a transmitting transducer-13, a power amplifier-14, a signal source-15, a support ring-16, a sound source mounting support-17, a clamp-18, a vibration damping pad-19 and a balance weight-20, which are all universal standard components or components known by technicians in the field, the structure and the principle of the components are known by technicians in the field or conventional experimental methods, and the invention solves the problem that the existing towed line array underwater sound equipment is provided with the structure and the principle, the sensitivity of the array element (hydrophone) is one of the key performance indexes. According to the traditional underwater acoustic testing and metering method, the sensitivity of an array element of a single linear array is mainly tested under a certain condition, the sensitivity tests of a plurality of linear arrays can only be implemented at the same place and at different times by using the same method, but the tests implemented at different times certainly have the conditions of inconsistent environmental influence, equipment measuring errors and manual operation errors, so that the requirement of basically consistent test conditions in comparison tests is difficult to meet. The whole measurement value of the equipment is accurate, and meanwhile, the test operation is simple, convenient and flexible, the operability is strong, and the practicability is strong.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a many parallel test system of linear array element sensitivity, includes that it puts subassembly (1), underwater sound test component (2) and test support subsystem (3), its characterized in that to hang: hang and put subassembly (1) including hanging winch (4), bearing rope (5), bearing armed lever (6), pulley (7), protection cover box (8) and balanced rope (9), pulley (7) are connected to the bottom of bearing armed lever (5), the left side of pulley (7) is equipped with bearing rope (9), winch (4) is put to the left side connection of bearing rope (9), the right downside of pulley (7) is equipped with balanced rope (9), the centre of bearing armed lever (6) is equipped with protection cover box (8), underwater sound test component (2) are established to be used for launching or receiving underwater sound signal to carry out preliminary analysis and processing to the signal, underwater sound test component (2) mainly include sound source device (10), standard hydrophone (11), oscilloscope (12) and fixed cable, fixed all with sound source device (10) fixed cable, The standard hydrophone (11) and the oscilloscope (12) are fixedly connected;
the sound source device (10) comprises a transmitting transducer (13), a power amplifier (14) and a signal source (15), wherein the transmitting transducer (13), the power amplifier (14) and the signal source (15) are communicated with each other;
the test support subsystem (3) is used for mounting a sound source device (10) and a standard hydrophone (11), the test support subsystem (3) comprises a support ring (16), a sound source mounting support (17), a clamp (18), a vibration damping pad (19) and a balancing weight block (20), and the support ring (16) is used for mounting a plurality of towed linear array elements;
the clamp (18) is used for respectively fixing the array element to be tested and the standard hydrophone (11) at the test hole; a sound source is arranged on a sound source mounting bracket (17) of the test bracket subsystem (3) by a clamp (18); the balancing weight block (20) is used for keeping the test support subsystem (3) balanced on the horizontal plane, namely, a connecting line between the center of the array element to be tested and the center of the sound source is parallel to the ground, the distance from the center of the sound source to each measured array element center and the distance from the center of the sound source to each standard hydrophone are measured and checked, and if the distance deviation value does not meet the specified requirement, corresponding adjustment is carried out.
2. The system for parallel testing of sensitivity of array elements of multiple pulling lines according to claim 1, wherein: the sound source device (10) has a size of not more than 100cm x 30cm x 40 cm.
3. The system for parallel testing of the sensitivity of the array elements of the multi-wire array according to claim 1, wherein: the total weight of the hoisting winch (4) is less than or equal to 1000kg, and the rope capacity is more than or equal to 200 m; the effective load is more than or equal to 10 kN; the power is more than or equal to 10kW, the working voltage is set to be 220V/330V, the rotating speed is more than or equal to 200r/min, and the rotating speed is adjustable.
4. The system for parallel testing of the sensitivity of the array elements of the multi-wire array according to claim 1, wherein: the diameter of the bearing rope (5) is as follows: not less than 0.1 cm; the structure is as follows: more than or equal to 20 strands; the tensile strength is more than or equal to 2000 MPa.
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| CN112362154A (en) * | 2020-10-30 | 2021-02-12 | 海鹰企业集团有限责任公司 | Sound pressure calibration method for hydrophone of long linear array cable |
| CN113238233B (en) * | 2021-04-12 | 2022-10-04 | 中船重工海声科技有限公司 | Device and method for quickly measuring sensitivity of long linear array element based on underwater camera |
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