CN103230865B - Docking battle array - Google Patents
Docking battle array Download PDFInfo
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- CN103230865B CN103230865B CN201310066332.5A CN201310066332A CN103230865B CN 103230865 B CN103230865 B CN 103230865B CN 201310066332 A CN201310066332 A CN 201310066332A CN 103230865 B CN103230865 B CN 103230865B
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Abstract
The present invention relates to a kind of docking battle array, described docking battle array comprises: transmitting transducer and matching layer; Described transmitting transducer basic matrix, comprises multiple transmitting transducers, and the position distribution of described transmitting transducer is corresponding with the sonic transducer mirror image in described tested acoustic array; Described matching layer, between described transducer array and described tested acoustic array, described transmitting transducer basic matrix joins by described matching layer and described tested acoustic array. Docking battle array of the present invention is utilized the transmitting transducer that working band is wide, efficiency is high, and the array element of employing and tested acoustic array one to one array element distributes, and can effectively solve mechanical couplings problem, has good amplitude and phase characteristic.
Description
Technical field
The present invention relates to the emulation testing technical field of the underwater sound, relate in particular to a kind of docking battle array.
Background technology
Docking tactical deployment of troops emulation is an important means of submarine navigation device system emulation, its design philosophy be byThe data signal (simulation objectives echo sound field, noise field, reverberation field etc.) that target simulator system produces,Convert analog signal to by D/A, after coupling is amplified, give tested sonic transducer by docking paroxysm,Thereby form laboratory's simulated environment of tested acoustic guidance system.
Existing analogue system mainly comprises two kinds, the one, and the analogue system of employing single transducer, its productRaw is not parallel beam, and low precision intercouples and disturbs greatly, can only produce 0 degree orientation sound wave, phase frequencyCharacteristic, amplitude versus frequency characte is poor, and can only do qualitative simulation. Need certain transmitting range, testing conditions is tight simultaneouslyLattice. The 2nd, adopt the dock tactical deployment of troops conformal with tested acoustic array, relatively succinctly convenient, precision is high, phase frequencyCharacteristic, amplitude versus frequency characte is good, but wherein inevitably exists cross-couplings, and mechanically decoupled very tiredDifficult. Cross-couplings refers in the time that docking battle array transmits, because the radiated sound signal between multiple array element existsIn medium, diffusion is propagated, stack mutually, the acoustical signal that causes the each passage of tested transducer array to receivePhase place changes, and the signal of reception can not correctly reflect entrained information, mainly refers to amplitude and phasePosition information. Cross-couplings is the principal element of impact docking battle array performance, and the levels of precision of mechanical couplings is directAffect the effect of emulation, its mechanism, feasibility and versatility are that puzzlement docking battle array emulation mode is extensive alwaysA difficult problem for application.
Sound self-conductance transducer array in existing tested acoustic guidance system mostly is planar array, and basic matrix array element is adoptedWith being longitudinal vibration formula Compound Bar Transducer, it is wide to obtain large acoustic density compared with little weight and volumeGeneral for the underwater sound and ultrasonic technique. Therefore,, for conformal with tested acoustic array, docking battle array also adopts flatFace battle array, array element adopts longitudinal vibration formula Compound Bar Transducer. When the vibration of longitudinal vibration formula Compound Bar Transducer, itsIt is uniformly that the vibration velocity on surface distributes, and can regard a planar piston as and make one-dimensional longitudinal vibration along axle, works as soundWhile adding matching layer between docking battle array and tested acoustic array, the diffusion that produces sound wave is propagated, and makes docking gustAmplitude and phase characteristic variation.
Summary of the invention
The object of this invention is to provide a kind of docking battle array, can effectively solve mechanical couplings problem, haveGood amplitude and phase characteristic.
For achieving the above object, the invention provides a kind of docking battle array, described docking battle array comprises: transmitting is changedEnergy device and matching layer;
Described transmitting transducer basic matrix, comprises multiple transmitting transducers, and the position of described transmitting transducer is dividedCloth is corresponding with the sonic transducer mirror image in described tested acoustic array;
Described matching layer, between described transducer array and described tested acoustic array, described transmitting is changedCan join by described matching layer and described tested acoustic array by device basic matrix.
Further, described transmitting transducer adopts the circular transducer that radius is 5mm ± 0.05.
Further, described transmitting transducer is embedded in sound-absorbing material.
Further, described sound-absorbing material is rubber sound absorption material.
Further, described sound-absorbing material is wedge profile.
Further, between adjacent two of described transmitting transducer by addition interval of anti-sound material.
Further, described matching layer adopts the sound transmitting rubber identical with the sulfuric horizon of described tested acoustic arrayMaterial.
Further, the thickness of described matching layer is 2mm～4mm.
Further, between described matching layer and described tested acoustic array, also comprise ultrasonic coupling agent layer,When use, this ultrasonic coupling agent layer is evenly distributed between described matching layer and tested acoustic array.
Docking provided by the invention battle array, utilizes the transmitting transducer that working band is wide, efficiency is high, adopt withThe array element of tested acoustic array one to one array element distributes, and has effectively solved mechanical couplings problem, makesEach array element of transmitting transducer forms separately independently sound channel, produces the difference that incides tested acoustic arrayThe plane wave signal of direction, has good amplitude and phase characteristic.
Brief description of the drawings
The structural representation of the docking battle array that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the partial enlarged drawing of A in Fig. 1;
The susceptance test curve figure of the transmitting transducer that Fig. 3 provides for the embodiment of the present invention;
The test curve figure of the electric capacity of the transmitting transducer that Fig. 4 provides for the embodiment of the present invention;
The single transmitting transducer that Fig. 5 provides for the embodiment of the present invention and the assembling relationship figure of sound-absorbing material;
The internal structure schematic diagram of the docking battle array that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 1 is the structural representation of the docking battle array that provides of the present embodiment, as depicted in figs. 1 and 2, and thisBright docking battle array comprises: transmitting transducer basic matrix 1 and matching layer 2.
Transmitting transducer basic matrix 1 comprises multiple transmitting transducers 11, docking battle array base 12 and sound-absorbing material13. Adopt in embodiments of the present invention 37 transmitting transducers 11 to form, the position of transmitting transducer 11Distribute corresponding with the sonic transducer mirror image in tested acoustic array, to realize transmitting transducer 11 and tested sound baseThe acoustic matching of battle array 3.
In order to obtain reasonable simulated effect, require each transmitting transducer 11 of docking battle array to possess and quiltSurvey the bandwidth of operation that acoustic array 3 adapts, and there is good phase place and amplitude coincidence. The present invention is realExecute routine transmitting transducer 11 and adopt working band in 25kHz～35kHz, resonant frequency is at 90kHzNear transmitting transducer, span is 90 ± 10kHz conventionally. In the time of the work of docking battle array, due to dockingBattle array fits tightly with tested acoustic array 3, and signal attenuation is little, thereby, can select transmitting power little, halfThe transducer that footpath is little. In the time of identical radial distance point, the sound amplitude of minor radius piston area is much smaller than mostThe sound amplitude of footpath piston area, transducer radiating surface radius is less, and radiated sound energy just more concentrates on piston spokePenetrate in face, can effectively reduce the cross-couplings impact between array element. In embodiments of the present invention, selectRadius is 5 ± 0.05mm, and working band is in 25kHz～35kHz, and resonant frequency is near 90kHzCircular transducer is susceptance and the electric capacity of the transmitting transducer of the embodiment of the present invention as shown in Figure 3 and Figure 4Test curve, can find out, near 90kHz time the susceptance of this transducer 5000000ns～Between 6000000ns, electric capacity is ± 4500pf left and right that this transducer can be in 25kHz～35kHz scopeInterior working stability, and there is good uniformity, sensitivity is good. The present invention is owing to selecting resonant frequencyHigh transmitting transducer, and in its low frequency section work, can improve existing docking battle array to transmitting transducingThe problem that the bandwidth of device and coherence request are high. After tested, docking battle array of the present invention can 25kHz～35kHzIn working band, phase-frequency characteristic≤5 °, each unit, amplitude versus frequency characte≤3dB.
Between each transmitting transducer 11, and transmitting transducer 11 with dock battle array and all fill out between base 12Be filled with sound-absorbing material 13, be equivalent to each transmitting transducer 11 to be embedded in sound-absorbing material 13. Sound absorptionMaterial 13 is selected rubber sound absorption material, its performance indications: in the scope of 25KC～35KC, to sound waveAbsorptivity reach 85%～90%. In order further to improve sound absorption efficiency, sound-absorbing material 13 can also designBecome wedge profile, as shown in Figure 5.
Matching layer 2 is between transmitting transducer basic matrix 1 and tested acoustic array 3, in order to simulation medium soundImpedance operator. In the time of test, transmitting transducer basic matrix 1 is relative with tested acoustic array 3 by matching layer 2Connect. In the time of the work of docking battle array, acoustical signal sees through the sulfuric horizon of matching layer 2 and tested acoustic array 3, transmitsGive the sonic transducer of tested acoustic array 3. When by extended media, there is sound wave reflection in sound waveAnd transmission. For improving the quality of tested reception signal, should reduce reflection between layers as far as possible, improveTransmission capacity.
In embodiments of the present invention, matching layer 2 adopts the material identical with the sulfuric horizon of tested acoustic array 3,Can reduce reflection between layers, improve transmission capacity. At present in Underwater Acoustics Engineering, tested sound baseThe sulfuric horizon of battle array 3 mainly adopts casting type rubber, and it has less attenuation of P-wave coefficient, ageing-resistant,Have good cementability, impedance operator and medium are close. When the impedance operator of two media more approaching, boundaryFace reflection is less, thereby matching layer 2 adopts the sound transmitting rubber identical with the sulfuric horizon of tested acoustic array 3Material. In addition, carry out transmission measurement under certain frequency time, the thickness of matching layer 2 is thinner, entrant sound effectFruit is better, considers the factor such as intensity, the resilient flexibility of vulcanized rubber of docking facilities, matching layer 2 thickDegree is 2mm～4mm.
Alternatively, between matching layer 2 and tested acoustic array 3, also comprise ultrasonic coupling agent layer 4. Make actualUsed time, adopt the medical ultrasonic coupling agent with good entrant sound effect and certain viscosity evenly to spread upon rightBetween connection device and tested acoustic array, improve the laminating degree of docking facilities and tested acoustic array, raising connectsThe quality of the acoustical signal of receiving.
In order further to eliminate the coupling between transmitting transducer, logical between adjacent two of transmitting transducer 11Cross anti-sound material interval in addition. As shown in Figure 6, between transmitting transducer 11, adopt anti-sound material 14In addition interval, the thickness of anti-sound material 14 is 1mm left and right, is generally 1 ± 0.5mm, then with dock a gust endSeat 12 is sulfided into complete docking battle array together, and the wire 15 of transmitting transducer 11 is through docking battle array base 12Joined by unified interface and outside. Due to transmitting transducer 11 with dock battle array and have sound absorption material between base 12Material 13, transmitting transducer 11 does not have rigidity to contact with docking battle array base 12, and each transmitting transducer 11 is doneCan free vibration for oscillator independently, can further reduce the coupling between transducer array element. Pass throughThe mode of sulfuration by transmitting transducer 11 with dock gust base 12 integrators, solved preferably transmittingCoupled problem between transducer.
Transmitting transducer 11 is as a kind of sound-electricity conversion device, and each transmitting transducer 11 corresponds to oneArray element, due to not limited bundle field completely of each array element, the acoustic radiation of each array element not exclusively in battle arrayIn unit's plane, the transmitting transducer basic matrix 1 being made up of some transmitting transducers 11 is each array element in the time of workBetween cross-couplings, mutually radiation effects will inevitably be to exerting an influence each other. Thereby, enter in docking battle arrayLuggage is put and is structured the formation and when structural design, adopts in addition interval of anti-sound material, adopts sound-absorbing material, adopt withThe matching layer of the sulfuric horizon same material of tested acoustic array 3, and adopt and dock battle array base 12 one sulphurThe effective methods such as change, make the cross-couplings between each array element be down to minimum.
In the time penetrating single channel signal by docking paroxysm of the present invention, the tested acoustic array correspondence that contrast gathersThe reception signal amplitude of passage and this passage periphery adjacency channel, the received signal strength of respective channel is long-rangeIn the reception signal of this passage periphery adjacency channel. Send the input with certain orientation by docking paroxysmSignal, after tested acoustic array receives through data processing, the sense obtaining and the input of docking paroxysm and sendingSense has good uniformity, and angular error is less than 0.1 degree.
In addition, docking battle array also comprises jockey 5, and jockey 5 joins with transmitting transducer basic matrix 1,And transmitting transducer basic matrix 1 is closely connected in the time of test with tested acoustic array 3 by matching layer 2.
Docking provided by the invention battle array, have that working band is wide, phase place and amplitude coincidence is good, array element itBetween the feature little, flexible operation that is coupled. Utilize the transmitting transducer that working band is wide, efficiency is high, adoptArray element array element distribution one to one with tested acoustic array, has solved mechanical couplings problem effectively, makesThe each array element that obtains transmitting transducer forms separately independently sound channel, produces and incides tested acoustic array notEquidirectional plane wave signal, has good amplitude and phase characteristic.
Show through result of the test, docking battle array simulation accuracy of the present invention is high, and system works is reliable and stable,Solve preferably the coupled problem between the transmitting transducer that docks battle array.
Above-described detailed description of the invention, carries out object of the present invention, technical scheme and beneficial effectFurther description, institute it should be understood that the foregoing is only the specific embodiment of the present invention and, the protection domain being not intended to limit the present invention, within the spirit and principles in the present invention all, institute doesAny amendment, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a docking battle array, for testing tested acoustic array, is characterized in that, described docking battle array comprises:Transmitting transducer basic matrix and matching layer;
Described transmitting transducer basic matrix, comprises multiple transmitting transducers, and the position of described transmitting transducer is dividedCloth is corresponding with the sonic transducer mirror image in described tested acoustic array;
Described matching layer, between described transmitting transducer basic matrix and described tested acoustic array, describedPenetrating transducer array joins by described matching layer and described tested acoustic array;
Between adjacent two of described transmitting transducer by addition interval of anti-sound material;
Described transmitting transducer is embedded in sound-absorbing material;
Described transmitting transducer adopts vulcanization to be connected with docking battle array base;
Described transmitting transducer working band is 25kHz～35kHz, and resonant frequency is 90 ± 10kHz.
2. docking battle array according to claim 1, is characterized in that, described transmitting transducer adopts halfFootpath is the circular transducer of 5mm ± 0.05.
3. docking battle array according to claim 1, is characterized in that, described sound-absorbing material is that rubber is inhaledSound material.
4. docking battle array according to claim 1, is characterized in that, described sound-absorbing material is outside wedgeShape.
5. docking according to claim 1 battle array, is characterized in that, described matching layer adopt with described inThe identical sound transmitting rubber material of sulfuric horizon of tested acoustic array.
6. docking battle array according to claim 1 or 5, is characterized in that the thickness of described matching layerFor 2mm～4mm.
7. docking battle array according to claim 1, is characterized in that described matching layer and described testedBetween acoustic array, also comprise ultrasonic coupling agent layer, in use, this ultrasonic coupling agent layer is evenly distributed on instituteState between matching layer and tested acoustic array.
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| CN201310066332.5A CN103230865B (en) | 2013-03-01 | 2013-03-01 | Docking battle array |
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| CN201310066332.5A CN103230865B (en) | 2013-03-01 | 2013-03-01 | Docking battle array |
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| CN103230865B true CN103230865B (en) | 2016-05-25 |
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| CN105485231B (en) * | 2015-12-15 | 2018-01-23 | 中国船舶重工集团公司第七一〇研究所 | A kind of vibration-proof structure applied to rocket end sound self-conductance basic matrix |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793746Y (en) * | 2004-11-26 | 2006-07-05 | 中国船舶重工集团公司第七一五研究所 | Sonar super-wideband assembled acoustic array transmitter |
| CN101458331A (en) * | 2009-01-04 | 2009-06-17 | 中国人民解放军海军工程大学 | Acoustic coupling device for doppler sonar test |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6671230B1 (en) * | 2002-06-10 | 2003-12-30 | The United States Of America As Represented By The Secretary Of The Navy | Piezoelectric volumetric array |
| US7053530B2 (en) * | 2002-11-22 | 2006-05-30 | General Electric Company | Method for making electrical connection to ultrasonic transducer through acoustic backing material |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793746Y (en) * | 2004-11-26 | 2006-07-05 | 中国船舶重工集团公司第七一五研究所 | Sonar super-wideband assembled acoustic array transmitter |
| CN101458331A (en) * | 2009-01-04 | 2009-06-17 | 中国人民解放军海军工程大学 | Acoustic coupling device for doppler sonar test |
Non-Patent Citations (1)
| Title |
|---|
| 声对接阵阵元参数控制;吴笛霄;《海军工程大学学报》;20031031;第15卷(第5期);第84页至第85页、附图1-4 * |
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