CN111948627A - Side array sonar comprehensive test system - Google Patents
Side array sonar comprehensive test system Download PDFInfo
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- CN111948627A CN111948627A CN202010759473.5A CN202010759473A CN111948627A CN 111948627 A CN111948627 A CN 111948627A CN 202010759473 A CN202010759473 A CN 202010759473A CN 111948627 A CN111948627 A CN 111948627A
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- excitation
- array sonar
- vibration
- sonar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
Abstract
The invention discloses a side array sonar comprehensive test system, which relates to the technical field of sonar tests and comprises a simulation cabin section platform and an acquisition test platform; the simulation cabin section platform comprises cambered rolling plates arranged on two sides of the simulation cabin section platform, the upper ends of the two cambered rolling plates are mutually connected through an upper top plate, and the lower ends of the two cambered rolling plates are mutually connected through a lower bottom plate, so that a simulation cabin section of the submarine is formed; the acquisition test platform comprises an excitation source control device, a power amplifier, a noise monitoring and acceleration pickup probe, a data acquisition device and a data analysis device. The invention realizes the monitoring and analysis of the broadside array sonar array section and the peripheral appointed part thereof, the multipoint noise and the vibration spectrum characteristic by constructing a comprehensive test system which can approximately simulate the broadside array sonar real boat mounting structure and the sound field environment, and provides important technical support for fully inspecting the technical measures effects of vibration reduction and sound absorption, vibration isolation and noise reduction and the like of the broadside array sonar array section and evaluating the detection performance of the broadside array sonar array section under the background of vibration noise.
Description
Technical Field
The invention relates to the technical field of sonar tests, in particular to a broadside array sonar comprehensive test system.
Background
The side array sonar generally refers to low-frequency passive direction-finding and distance-measuring sonar which is arranged on the left side and the right side of a submarine, can effectively make up a detection blind area of a bow sonar, improves the omnidirectional warning capability of the submarine, and meanwhile does not have the limitation of distribution and recovery like towed array sonar, so that the maneuverability and tactical freedom of the ship are influenced, and the capability of quickly detecting and positioning the ship under a hidden situation can be effectively improved under the current complex battlefield environment condition of the anti-diving technology which is different day by day.
As is known, the mounting position of the broadside array sonar on the submarine belongs to a turbulent flow fully-developed area, and the seawater forms larger vortex motion after flowing through a bow horizontal rudder to generate fluid noise; the shell plate is excited by the strong vibration of mechanical equipment and pipelines in the boat, waveguide transmission is carried out in the shell plate in the form of bending waves, the vibration is transmitted to the hydrophone sensitive element through a (non) pressure-resistant shell, a rib, a matrix mounting structure and the like to form direct transmission of the vibration, and sound waves are excited in fluid around the hydrophone sensitive element through the vibration of a boat shell; in addition, cavitation noise generated by the propeller is also transmitted to the hydrophone sensor through the seawater medium. The background interference noise has great influence on the detection performance of the side array sonar, so that the vibration reduction and noise reduction capability also becomes one of the core indexes for evaluating the performance of one side array sonar.
The traditional side array sonar test is usually limited to the performance measurement of the free field of a hydrophone unit or a local array, however, in fact, due to the comprehensive influence of a submarine shell, an acoustic baffle and various noise fields, the performance of the side array under the free field is greatly different from the performance of the side array after actual boat loading, and the traditional side array sonar test technology cannot verify the core performance of equipment, such as vibration reduction and noise reduction, and therefore the current evaluation requirement on the performance of the side array sonar cannot be met.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a comprehensive test system for the broadside array sonar, which can more closely simulate the working environment of the broadside array sonar on a submarine, more fully examine the technical measures and effects of the broadside array sonar in the development and test stage, more accurately evaluate the fighting and technical performance of the broadside array sonar in the future real boat state, and simultaneously integrate the functions of arraying, exciting, monitoring, collecting, analyzing and the like into a whole, so that the evaluation requirement on the performance of the broadside array sonar at present can be met to the greatest extent.
The purpose of the invention is achieved by the following technical scheme: the comprehensive test system of the broadside array sonar comprises a simulation cabin section platform and an acquisition test platform; the simulation cabin section platform comprises cambered surface rolling plates arranged on two sides of the simulation cabin section platform, the upper ends of the two cambered surface rolling plates are mutually connected through an upper top plate, and the lower ends of the two cambered surface rolling plates are mutually connected through a lower bottom plate, so that a simulation cabin section of the submarine is formed; an installation guide rail for installing the broadside array sonar array section is fixed along the outer side of the cambered surface rolling plate; the acquisition test platform comprises an excitation source control device, a power amplifier, a noise monitoring and acceleration picking probe, a data acquisition device and a data analysis device, wherein the excitation source control device with the power amplifier is electrically connected with the simulation cabin section platform and used for sending excitation signals to an excitation cabin, the noise monitoring and acceleration picking probe is arranged on the simulation cabin section platform, the data analysis device is electrically connected with the noise monitoring and acceleration picking probe through the data acquisition device, the data of the noise monitoring and acceleration picking probe is acquired through the data acquisition device and transmitted to the data analysis device, and the data analysis device is used for reading and analyzing, so that the noise spectrum and the vibration spectrum characteristics of the side array sonar array section are acquired.
As a further technical scheme, the arc length and the thickness of the arc surface rolling plate correspond to those of the submarine to be simulated; and the two mounting guide rails are fixedly arranged on the cambered surface rolling plate at one side of the simulation cabin platform according to the space and the position corresponding to the submarine to be simulated.
As a further technical scheme, the upper top plate is welded with reinforcing ribs, the upper top plate is further provided with a butt flange, the bottom of the lower bottom plate is provided with a counterweight groove, a plurality of supporting columns extend upwards from the upper surface of the lower bottom plate to abut against the lower surface of the upper top plate, and the edge of the top of the cambered surface rolling plate is provided with a hoisting lug.
As a further technical scheme, an excitation cavity is formed in the hollow part of the excitation cabin, excitation equipment is arranged in the excitation cavity, the excitation equipment is fixed on a back support bottom plate by virtue of screws, and a vibration transmission rod arranged at the end part of the excitation equipment penetrates through a rib and is in contact with the inner side surface of the cambered surface rolling plate; and a filler box type outlet is arranged at the top of the excitation cabin and used for leading out an equipment cable in the cabin to be connected with the acquisition and test platform.
As a further technical solution, the noise monitoring and acceleration pickup probe is arranged around the broadside array sonar array segment.
As a further technical scheme, a noise monitoring and acceleration pickup probe is also arranged in the excitation cabin.
As a further technical scheme, the data acquisition device can simultaneously record 64 channels of data from noise monitoring and acceleration pickup probes.
The invention has the beneficial effects that:
1. constructing a structural installation environment similar to a real boat state for the side array sonar array section;
2. constructing a vibration and sound field environment similar to a real boat state for the broadside array sonar array section;
3. monitoring and analyzing the multipoint noise spectrum characteristics of the broadside array sonar array section and the peripheral designated parts thereof;
4. monitoring and analyzing the multi-point vibration spectrum characteristics of the broadside array sonar array section and designated parts on the inner side and the outer side of the broadside array sonar array section;
5. the measurement of vibration reduction and noise reduction performance of the side array sonar array section under the conditions of approximate real boat vibration and sound field is realized;
6. and a more realistic test environment is provided for self-adaptive vibration line spectrum cancellation and weak signal detection.
Drawings
Fig. 1 is a schematic structural diagram of a simulated deck section platform.
FIG. 2 is a front view of the structure of a simulated deck section platform.
FIG. 3 is a structural cross-sectional view of a simulated deck section platform.
FIG. 4 is a schematic illustration of the installation of the excitation device.
Fig. 5 is a schematic view of the connection between the collection test platform and the simulation cabin segment platform.
FIG. 6 is a schematic view of an excitation source control interface.
Fig. 7 is a schematic view of an acquisition analysis interface.
Description of reference numerals: the device comprises a simulation cabin section platform I, a butt flange 1, an upper top plate 2, a hoisting lug 3, a mounting guide rail 4, a cambered surface rolling plate 5, an excitation cabin 6, an air interlayer 7, a support column 8, a lower bottom plate 9, ribs 10, an excitation source control device 11, a power amplifier 12, a noise monitoring and acceleration pickup probe 13, a data acquisition device 14, a data analysis device 15, a counterweight groove 16, an excitation cavity 6-1, excitation equipment 6-2, a vibration transmission rod 6-3, a back support bottom plate 6-4 and a packing box outlet 6-5.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached figures 1-5, the side array sonar comprehensive test system comprises a simulation cabin section platform I and an acquisition test platform; the simulation cabin section platform I comprises cambered surface rolling plates 5 arranged on two sides of the simulation cabin section platform I, the upper ends of the two cambered surface rolling plates 5 are mutually connected through an upper top plate 2, and the lower ends of the two cambered surface rolling plates are mutually connected through a lower bottom plate 9, so that a simulation cabin section of the submarine is formed (preferably, the arc length and the thickness of the cambered surface rolling plates 5 correspond to those of the submarine to be simulated), a plurality of hollow ribs 10 are uniformly welded along the inner sides of the two cambered surface rolling plates 5 to form an air interlayer 7, and a plurality of excitation cabins 6 adopting watertight structures are fixedly arranged on the ribs 10; as shown in fig. 4, the inside of the excitation cabin 6 is hollow to form an excitation cavity 6-1, an excitation device 6-2 is arranged in the excitation cavity 6-1, the excitation device 6-2 is fixed on a back support bottom plate 6-4 by screws, and a vibration transmission rod 6-3 arranged at the end part of the excitation device 6-2 penetrates through a rib 10 and is in contact with the inner side surface of the arc-shaped rolling plate 5; and a filler box outlet 6-5 is arranged at the top of the excitation cabin 6 and is used for leading out an equipment cable in the cabin to be connected with the acquisition and test platform.
An installation guide rail 4 for installing the broadside array sonar array section is fixed along the outer side of the arc-shaped rolled plate 5 by using screws, and two installation guide rails 4 (shown in figures 1 and 2) are fixedly arranged on the arc-shaped rolled plate 5 on one side of the simulation cabin section platform I according to the space and the position corresponding to the submarine to be simulated; the upper top plate 2 is welded with reinforcing ribs, the upper top plate 2 is further provided with a butt flange 1, the bottom of the lower bottom plate 9 is provided with a counterweight groove 16, three support columns 8 upwards extend from the upper surface of the lower bottom plate 9 and abut against the lower surface of the upper top plate 2 (as shown in fig. 3), and the edge of the top of the cambered surface rolling plate 5 is provided with a hoisting lug 3.
As shown in fig. 5, the collecting and testing platform includes an excitation source control device 11, a power amplifier 12, a noise monitoring and acceleration picking probe 13, a data collecting device 14 and a data analyzing device 15, the excitation source control device 11 with the power amplifier 12 (which can generate excitation signals with various types and intensities such as line spectrum, broadband spectrum and the like by matching with each other) is electrically connected with the simulation cabin section platform I for sending the excitation signals to the excitation cabin 6, the noise monitoring and acceleration picking probe 13 is arranged around the side-array sonar array section, meanwhile, the noise monitoring and acceleration picking probe 13 can also be arranged in the excitation cabin 6, the data analyzing device 15 is electrically connected with the noise monitoring and acceleration picking probe 13 through the data collecting device 14, the data of the noise monitoring and acceleration picking probe 13 is collected through the data collecting device 14 and transmitted to the data analyzing device 15, the data analysis device 15 performs reading analysis to obtain the noise spectrum and vibration spectrum characteristics of the broadside array sonar array segment, and the data acquisition device 14 can simultaneously record 64 channels of data from the noise monitoring and acceleration pickup probe 13.
The working process of the invention is as follows: the test can be started after the simulation cabin section platform I is built according to the figure 1, a broadside array sonar array section is fixedly installed on the installation guide rail 4, a plurality of noise monitoring and acceleration picking probes 13 can be hung or adsorbed in each peripheral area according to requirements, and a plurality of noise monitoring and acceleration picking probes 13 can be arranged in the excitation cabin 6; then the excitation source control device 11 with the power amplifier 12 is electrically connected with the excitation equipment 6-2 in the excitation cabin 6 through the packing function outlet 6-5, and each noise monitoring and acceleration picking probe 13 is electrically connected with the data analysis device 15 through the data acquisition device 14; starting the excitation source control device 11 and the power amplifier 12 (the excitation source control interface is shown in fig. 6), sending excitation signals to the excitation cabin 6, reading and analyzing data collected by the data collection device 14 by using the data analysis device 15 (the collection analysis interface is shown in fig. 7), obtaining the noise spectrum and the vibration spectrum characteristics of the broadside array sonar array section, adjusting the excitation source control device 11 and the power amplifier 12, and generating excitation signals with various types and various intensities such as a line spectrum, a broadband spectrum and the like.
The invention realizes the monitoring and analysis of the broadside array sonar array section and the peripheral appointed part thereof, the multipoint noise and the vibration spectrum characteristic by constructing a comprehensive test system which can approximately simulate the broadside array sonar real boat mounting structure and the sound field environment, and provides important technical support for fully inspecting the technical measures effects of vibration reduction and sound absorption, vibration isolation and noise reduction and the like of the broadside array sonar array section and evaluating the detection performance of the broadside array sonar array section under the background of vibration noise.
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 (6)
1. The utility model provides a broadside array sonar integrated test system which characterized in that: comprises a simulation cabin section platform (I) and an acquisition test platform; the simulation cabin section platform (I) comprises cambered surface rolling plates (5) arranged on two sides of the simulation cabin section platform, the upper ends of the two cambered surface rolling plates (5) are connected with each other through an upper top plate (2), the lower ends of the two cambered surface rolling plates are connected with each other through a lower bottom plate (9), so that a simulation cabin section of the submarine is formed, a plurality of hollow ribs (10) are uniformly welded along the inner sides of the two cambered surface rolling plates (5) to form an air interlayer (7), and a plurality of excitation cabins (6) are fixedly arranged on the ribs (10); a mounting guide rail (4) for mounting a broadside array sonar array section is fixed along the outer side of the arc-surface rolling plate (5); the acquisition test platform comprises an excitation source control device (11), a power amplifier (12), a noise monitoring and acceleration pickup probe (13), a data acquisition device (14) and a data analysis device (15), the excitation source control device (11) with the power amplifier (12) is electrically connected with the simulation cabin section platform (I), used for sending out excitation signals to an excitation cabin (6), a noise monitoring and acceleration picking probe (13) is arranged on a simulation cabin section platform (I), a data analysis device (15) is electrically connected with the noise monitoring and acceleration picking probe (13) through a data acquisition device (14), the data of the noise monitoring and acceleration pickup probe (13) are collected by a data collection device (14) and transmitted to a data analysis device (15), and the data analysis device (15) reads and analyzes the data, so that the noise spectrum and vibration spectrum characteristics of the broadside array sonar array section are obtained.
2. The broadside array sonar comprehensive testing system of claim 1, wherein: the arc length and the thickness of the arc surface rolling plate (5) correspond to those of the submarine to be simulated; and two mounting guide rails (4) are fixedly arranged on the cambered surface rolling plate (5) on one side of the simulation cabin section platform (I) according to the space and the position corresponding to the submarine to be simulated.
3. The broadside array sonar comprehensive testing system of claim 1, wherein: go up the welding and have the strengthening rib on roof (2), still be equipped with flange (1) on this roof (2), bottom plate (9) bottom sets up counter weight groove (16), upwards stretches out a plurality of support columns (8) from this bottom plate (9) upper surface and supports in the lower surface of this roof (2), cambered surface roll up board (5) top edge is equipped with hoist and mount hangers (3).
4. The broadside array sonar comprehensive testing system of claim 1, wherein: the interior of the vibration excitation cabin (6) is hollow to form a vibration excitation cavity (6-1), vibration excitation equipment (6-2) is arranged in the vibration excitation cavity (6-1), the vibration excitation equipment (6-2) is fixed on a back support bottom plate (6-4) through screws, and a vibration transmission rod (6-3) arranged at the end part of the vibration excitation equipment (6-2) penetrates through the rib (10) and is in contact with the inner side surface of the cambered surface rolling plate (5); the top of the excitation cabin (6) is provided with a filler box outlet (6-5) for leading out an equipment cable in the cabin to be connected with the acquisition test platform.
5. The broadside array sonar comprehensive testing system of claim 1, wherein: the noise monitoring and acceleration pick-up probe (13) is arranged around the broadside array sonar array segment.
6. The broadside array sonar comprehensive testing system of claim 1, wherein: and a noise monitoring and acceleration pickup probe (13) is also arranged in the excitation cabin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759473.5A CN111948627A (en) | 2020-07-31 | 2020-07-31 | Side array sonar comprehensive test system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010759473.5A CN111948627A (en) | 2020-07-31 | 2020-07-31 | Side array sonar comprehensive test system |
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| CN111948627A true CN111948627A (en) | 2020-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116331456A (en) * | 2023-03-17 | 2023-06-27 | 中国科学院声学研究所 | A broadside array subassembly for unmanned submarine |
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2020
- 2020-07-31 CN CN202010759473.5A patent/CN111948627A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116331456A (en) * | 2023-03-17 | 2023-06-27 | 中国科学院声学研究所 | A broadside array subassembly for unmanned submarine |
| CN116331456B (en) * | 2023-03-17 | 2023-11-24 | 中国科学院声学研究所 | A broadside array subassembly for unmanned submarine |
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