35 results about "Array transducer" patented technology

The invention provides an acoustic coalescence elimination method for hydrogen bubbles in molten aluminum, and belongs to the technical field of molten aluminum bubble elimination. According to the method, sound field collaborative focusing is achieved by arranging a phase control array transducer set in a molten aluminum smelting furnace, primary gathered sound waves and efficient coalescence sound waves are applied in stages according to bubble size evolution in a double-frequency scanning mode, and the hydrogen bubbles in the molten aluminum are eliminated. A target frequency is dynamically adjusted in combination with a bubble resonance frequency optimization model to match the inherent frequency of a bubble, a sound-bubble coupling dynamic tracking system is used for monitoring bubble evolution triggering stage switching in real time, and a sound field focus point dynamically scans and covers a three-dimensional space area through phase delay control. A delay detection method is adopted to eliminate cavitation bubble interference and accurately measure the hydrogen content, sound intensity and frequency parameters are optimized according to a sound field parameter self-adaptive regulation and control model, and the technical problem that hydrogen bubbles in a molten aluminum deep area are difficult to be effectively driven by sound waves and cannot be fully coalesced and eliminated is solved.

Non-destructive inspection of welded rail joints by ultrasound phase-array transducers in one device, precise positioning non-destructive inspection probes and moving the probes in longitudinal and transverse directions. Two scanners have ultrasound phase-array transducers and emission control unit for sequential or simultaneous inspection of welded joints using (i) two ultrasound phase-array transducers are directed to each other and operate separately, wherein the transducers provide a beam sector of 36-75 degrees; (ii) two ultrasound phase-array transducers are directed to each other and operate separately, wherein the transducers provide a beam sector of 26-24 degrees from the tread surface during longitudinal movement; and / or (iii) two ultrasound phase-array transducers are directed to each other, one transducer emits a transverse wave with a predetermined angle from the tread surface to the base of the rail, while the other transducer receives a longitudinal wave that occurs only when a vertical crack exists in the rail.

This invention relates to an ultrasound endoscope probe, an ultrasound endoscope system, and its working method. The ultrasound endoscope probe includes multiple convex array transducers arranged in an array on a mounting plate. The mounting plate has a retracted position and an extended position. When the mounting plate is in the retracted position, the connecting surface is abutted against the mating inclined surface. When the mounting plate is in the extended position, the working surface is perpendicular to the central axis of the endoscope catheter. The ultrasound endoscope system includes a signal synchronization module, a data acquisition module, a data processing module, and a display module. By constructing a mapping relationship between the probe coordinate system and the BEV global coordinate system, a three-dimensional voxel mesh is generated to segment blood vessels and tumor tissue, ultimately achieving three-dimensional reconstruction. This invention overcomes the shortcomings of traditional ultrasound imaging, such as low vascular discrimination and large three-dimensional reconstruction errors, effectively improving imaging and segmentation accuracy, clearly displaying the relationship between lesions and adjacent blood vessels, shortening operation time, improving the safety of minimally invasive operations, reducing the burden of diagnosis and treatment for patients, and demonstrating significant clinical application value.

The invention relates to the technical field of ultrasonic phased array nondestructive testing, and discloses a metal pipe inner wall defect ultrasonic phased array detection probe and a metal pipe inner wall defect ultrasonic phased array detection method, the probe comprises an array transducer and a wedge block, the array transducer is connected with the wedge block through a connector, and the curvature radius of the end face of the bottom of the wedge block is the same as that of a metal pipe. The curvature of the end part of the probe provided by the invention is the same as that of the outer diameter of the pipe, so that good acoustic coupling can be realized, an oblique incidence sound beam forming a certain angle with the radial direction of a detected object can be formed, and ultrasonic waves can obliquely enter the side surface of a defect; the full-focus algorithm is adopted for imaging in the axial direction of the pipe, the detection sensitivity of inner wall shallow surface defects can be effectively improved, and the detection efficiency and reliability are improved.

A multi-array transducer for ultrasound guided intervention includes a transducer head, a housing unit, and a cable. The transducer head includes a plurality of arrays. A method for real-time visualization of needle insertion in biopsy includes: providing a multi-array transducer, the multi-array transducer including a plurality of arrays; and generating a plurality of ultrasound images by using the plurality of arrays for visualizing the insertion in real time.

The invention relates to a curved surface structure upper surface positioning method based on a non-uniform angle plane wave technology, and the method comprises the following steps: generating a plane wave emission angle sequence based on a non-uniform distribution function according to a maximum deflection angle and the total number of sampling angles; sequentially transmitting plane waves to the curved surface structure according to an angle sequence through an array transducer, and recording echo signals received by a full array element at each angle; performing envelope extraction on the received echo signal to obtain an envelope signal; performing imaging reconstruction on the envelope signal through a time domain delay superposition algorithm to obtain a composite imaging result; and extracting echo envelope intensity distribution according to a composite imaging result, reconstructing a space contour of the upper surface of the curved surface, and realizing positioning of the upper surface of the curved surface structure. Compared with the prior art, under the condition of limited angle number, the sound field contribution in the direction of a large deflection angle is remarkably enhanced, the reflected signal intensity and the imaging definition of a curved surface structure area are improved, and the method is suitable for nondestructive testing of a complex curved surface structure.

The utility model relates to the technical field of ultrasonic transducers, in particular to a flexible wearable ultrasonic array transducer, which comprises a mounting shell and a wearable mechanism, a plurality of groups of array transducer bodies are arranged at the inner upper part of the mounting shell, and a vibrating body is arranged at the upper end of the mounting shell. The left portion and the right portion of the lower end of the installation shell are each provided with two T-shaped clamping blocks, the installation shell is movably connected with the wearing mechanism through the T-shaped clamping blocks, and a fixing belt is arranged in the middle of the rear end of the installation shell. According to the flexible wearable ultrasonic array transducer, the T-shaped clamping block and the T-shaped clamping groove are matched to achieve rapid and stable clamping connection of the installation shell, the flexible wearable belt is conveniently fixed through the hook-and-loop fastener, the tightness degree can be adjusted, the fixing belt and the attaching part are attached to enhance the stability, and the use convenience and stability are improved; meanwhile, the array transducer bodies distributed in a staggered mode enlarge the monitoring range, the monitoring effect is improved, and richer and more accurate data are provided for medical health monitoring.

A method employing the principle of mechanical reciprocity to image the relative acoustic attenuation called shear wave reciprocity imaging (SRI). SRI does not require the pre-stored sample signal for acoustic attenuation evaluation. In SRI, sequential marching pushes similar to acoustic radiation force impulse (ARFI) imaging are excited from an array transducer, and the reciprocal displacements are collected similarly to the plane wave single-track location method (p-STL).

The invention discloses a double-frequency phased array composite pulse histotripsy system and a double-frequency phased array composite pulse histotripsy method. Comprising a double-frequency phased array transducer, a driving control module, a focus control module and a real-time monitoring module, wherein the double-frequency phased array transducer is a double-frequency hundreds of array element phased array transducer or a double-frequency split array transducer; the double frequency multiplication phased array transducer comprises a fundamental frequency array element group and a frequency multiplication array element group, the driving control module is used for outputting driving signals with corresponding frequencies to two groups of array elements, the focus control module is used for regulating and controlling the positions and the number of focuses, and the real-time monitoring module is used for tracking the effect; the double-frequency phased array composite pulse histotripsy system adopts a four-stage composite pulse time sequence to cooperatively control the working states of a fundamental frequency array element group and a frequency multiplication array element group, and is realized in combination with a multi-focus control strategy; according to the method, the defect of fogging zone front cavitation shielding possibly caused by double-frequency millisecond long-pulse tissue damage and the defect that instant B-ultrasonic monitoring is affected by slow bubble dissipation after treatment are overcome.

The invention relates to the technical field of ultrasonic detection, and discloses a Fresnel array transducer information acquisition system, a manufacturing method and a working method.The system comprises an ultrasonic transducer and a Fresnel array transducer, the Fresnel array transducer is arranged on the side close to a sound wave emitting face of the ultrasonic transducer, and the Fresnel array transducer is arranged on the side close to the sound wave emitting face of the ultrasonic transducer. The ultrasonic transducer is used for transmitting first sound waves, and the Fresnel array transducer is used for focusing the first sound waves and transmitting second sound waves and has the capability of receiving external sound waves. The first sound wave emitted by the ultrasonic transducer can be focused by the Fresnel array transducer, the focusing intensity of ultrasonic imaging is improved, and then the imaging resolution is improved; the ultrasonic transducer and the Fresnel array transducer respectively emit a first sound wave and a second sound wave with different frequencies to form respective optimal imaging depths, so that the acquisition range is expanded.

Continuous wave (CW) Doppler analysis is performed using an ultrasound system with a linear array transducer probe. The linear array may be curved or flat. The array transducer has more transducer elements than the number of channels of a beamformer of the ultrasound system. To accommodate this difference, some of the elements of the array are multiplexed to the beamformer such that only one of a pair of elements is coupled to the beamformer at any one time. The plurality of elements of the array transducer are not multiplexed and are directly coupled to the beamformer. During imaging, both multiplexed and unmultiplexed transducer elements may be used to generate a signal for an image, and during CW Doppler analysis, only unmultiplexed transducer elements are used for CW Doppler transmit and receive apertures.

The invention discloses a bone health evaluation system and method based on a photoacoustic guided wave frequency-wave number spectrum. The bone health evaluation system comprises a computer, a transmitting and receiving control circuit, an analog-to-digital converter, a broadband tunable laser, a laser beam focusing light spot dynamic focusing system, a laser output head, a bone tissue to be detected, an ultrasonic array transducer and a multi-channel signal amplifier. The computer controls the wavelength and energy of a laser beam output by the broadband tunable laser through the transmitting and receiving control circuit, and meanwhile controls the laser beam focusing spot dynamic focusing system to adjust the spot size of the laser beam output to the bone tissue to be detected, so that photoacoustic guided wave excitation under different laser beam radiuses and wavelengths is realized; the transmitting and receiving control circuit synchronously controls the analog-to-digital converter to perform analog-to-digital conversion on the signal from the multi-channel signal amplifier, and inputs the signal into the computer for processing; the ultrasonic array transducer detects and obtains a photoacoustic guided wave time-space wave field signal matrix; and the computer performs frequency wave number spectrum processing on the received laser excitation photoacoustic guided wave signals with different beam radiuses and wavelengths, and executes a multi-mode photoacoustic bone quality evaluation method to realize bone health diagnosis.

A cutting groove is formed in a shape memory alloy tube of a transnasal ultrasonic endoscope body, so that the axial structure of the transnasal ultrasonic endoscope body is regarded as a flexible joint, a driving wire is connected with the top end of the shape memory alloy tube to control bending deformation of the flexible joint, and an ultrasonic transducer module is fixed to the front end of the shape memory alloy tube; the ultrasonic transducer module comprises an ultrasonic transducer and an electric appliance unit thereof, the ultrasonic transducer is a linear array probe, and the linear array probe realizes trapezoidal imaging through electronic delay; the control module is used for controlling the tensioning length of the driving wire; and the cable is connected with the driving host and the ultrasonic imaging host so as to realize control of the control module and ultrasonic imaging. According to the endoscope, a super-elastic memory alloy pipe grooving structure serves as an endoscope body, bending deformation of the endoscope body is controlled through a driving wire, a miniature high-frequency ultrasonic array transducer is integrated in front of the endoscope body, and high-resolution and large-view-field ultrasonic imaging in a limited space is achieved with the assistance of a trapezoidal imaging technology.

The application provides a high-performance transparent piezoelectric composite material, an array transducer and a preparation method thereof, and comprises the following steps: step 1, performing optical-grade polishing treatment on a piezoelectric material to obtain a polished piezoelectric material; step 2, preparing electrodes on the upper and lower surfaces of the polished piezoelectric material to obtain a piezoelectric material provided with electrodes; step 3, performing transparent treatment on the piezoelectric material provided with electrodes to obtain a transparent piezoelectric layer; step 4, arranging one surface of the transparent piezoelectric layer on a substrate, and performing optical-grade polishing treatment on the other surface of the transparent piezoelectric layer until the designed thickness is reached to obtain a polished transparent piezoelectric layer; and step 5, cutting the polished surface of the polished transparent piezoelectric layer according to a preset matrix structure to obtain a high-performance transparent array piezoelectric composite material; and the application can greatly improve the performance of the transparent transducer.

Embodiments of the invention introduces a method and system for focusing ultrasonic energy through intervening skull tissue into a target site within a target brain tissue region under the skull, includes a transducer emitter array, a transducer receiver array, a processor receiving echo signals from the receiver to determine correction factors for the transducer elements to compensate for refraction occurring due to intervening tissue. The correction factors may include phase correction factors, and the phases of excitation signals provided to the transducer elements may be calibrated focusing based upon the phase correction factors to focus the ultrasonic energy to the tissue at the target site.

An ultrasound imaging system for needle insertion guidance uses a curved array transducer to scan an image field with unsteered beams as a needle is inserted into the image field. Due to differences in the angle of incidence between the radially directed beams and the needle, echoes will return most strongly from only a section of the needle. This section is identified in an image, and the angle of incidence producing the strongest returns is identified. Beams with this optimal angle of incidence are then steered in parallel from the curved array transducer to produce the best needle image. The steep steering angles of some of the steered beams can give rise to side lobe clutter artifacts, which can be identified and removed from the image data using dual apodization processing of the image data.

The utility model belongs to the technical field of acoustic emission sensors, and particularly relates to an air coupling acoustic emission sensor, which is characterized in that a receiver, a piezoelectric transduction device and a coaxial cable are arranged in a matched manner, and internal stress waves of materials enter the sensor from air through a receiving hole in the receiver; a piezoelectric film of the piezoelectric transduction device vibrates, so that the surfaces of an upper electrode and a lower electrode generate polarization proportional to the surface of the piezoelectric film, charges are generated, an array transducer converts the charges into analog quantity electric signals, and the analog quantity electric signals are output from a shielding cable to a coaxial cable through an electrode plate to form analog signal output of the sensor; according to the utility model, the impedance matching layer surrounds the array transducer, so that the influence of external interference on the signal conversion and transmission of the sensor is further reduced. The sensor structure disclosed by the utility model does not need to be in direct contact with a material to realize measurement, so that the limitation of an installation position and an environment on the sensor is reduced, and the measurement precision and stability are improved.

The application discloses a pile bottom karst detection method and system and electronic equipment, and the method comprises the following steps: arranging measuring points at the pile bottom, lowering an array transducer to the pile bottom, and moving to each measuring point in sequence, when the array transducer reaches each measuring point, controlling the array transducer to collect full matrix data corresponding to the measuring point, and measuring the position of the transducer probe and recording the position of the array when collecting data; according to the position of the probe and the position of the array when collecting data, the coordinates of each array element in the array are calculated; imaging point division is performed in the imaging area, the imaging amplitudes of all transmitting / receiving pairs of signals at the imaging points are accumulated and summed, the imaging amplitudes of all imaging points are calculated, and a three-dimensional imaging model is obtained. The application calculates the coordinates of the array and the array elements of each measuring point by the measuring method, adopts the multi-point array data joint imaging mode, solves the problem of low transverse resolution of single-point phased array focusing imaging, and realizes three-dimensional high-precision imaging of the pile bottom karst.

This invention discloses a ring array transducer and a forward-facing intracardiac ultrasound sheath. The ring array transducer includes an energy-absorbing cylinder; a flexible circuit layer disposed on a first annular mounting surface, with each flexible circuit extending axially along the energy-absorbing cylinder and having an extension section at one end that bends and extends to a second annular mounting surface; an active element layer disposed on the second annular mounting surface, including a plurality of radially arranged active elements, each active element correspondingly connected to an extension section of a flexible circuit; and an acoustic matching layer bonded to the second annular mounting surface covering the active element layer. This invention, through ring imaging using the ring array transducer, enables more convenient intracardiac intervention via blood vessels, significantly reducing X-ray exposure. The ultrasound imaging catheter and interventional channel are integrated into one, expanding the application scenarios of current ICE (Endocardial Intravascular Electrosurgical) procedures and greatly reducing X-ray dependence, even achieving zero X-ray exposure.

The application discloses a kind of industrial design with rapid prototyping material mixing device, including sealed container, transition cabin and injection pipe, suspended mixing assembly is provided in sealed container, electric push rod is fixedly connected in transition cabin, the output end of electric push rod is fixedly connected with driving element, driving element output end is fixedly connected with moving assembly, injection pipe is located at the middle position of sealed container top end, the suspended mixing assembly includes: transducer, electromagnetic coil and reflector, transducer is located at the top end of sealed container, its output direction is vertically downward, electromagnetic coil is fixedly connected to the side of sealed container, reflector is clamped with moving assembly;By array transducer emits ultrasonic wave and reflector forms node, so that material keeps stable suspended state, shear flow is formed by electromagnetic coil, so as to realize no mixing dead angle, overall can realize arbitrary position, continuous printing of multiple droplets, simultaneously easy to disassemble, it is convenient to use, internal inert gas environment keeps stable.

A transducer array is disclosed herein. The transducer array includes a hub and a transducer sub-array. The hub includes a housing having a housing peripheral edge having a boundary, and a hub port supported by the housing, with the hub port positioned within the boundary of the housing peripheral edge. The transducer sub-array includes an electrode, a sub-array port, and a support layer having a support layer peripheral edge and supporting the electrode and the sub-array port. The sub-array port couples the hub port with the electrode, and the electrode receives an alternating current waveform at a frequency in the range of 50 kHz-1 MHz from the hub via the sub-array port.

The utility model relates to the technical field of ultrasonic transducers, in particular to a high-density area array transducer which comprises a protective outer frame, side plates are fixedly connected to the rear portion of the left end and the rear portion of the right end of the protective outer frame respectively, three first screws are connected to the front ends of the two side plates in a penetrating mode respectively, screw holes are formed in the four corners of the front end of the protective outer frame respectively, and the front end of the protective outer frame is fixedly connected with the protective outer frame. Four screw holes are formed in the protective outer frame, second screws are in threaded connection with the four screw holes, a mounting plate is jointly connected to the outer surfaces of the four second screws in a penetrating mode, a mounting device is fixedly connected to the front end of the mounting plate, a transducer body is arranged in the protective outer frame, and a plurality of cables are fixedly mounted at the front end of the transducer body. According to the high-density area array transducer, the stability and the flexibility are greatly improved through the unique installation structure design, meanwhile, the whole installation structure can be kept stable in the working process through multi-screw fastening and the tight connection mode between components, and vibration is effectively avoided.

A method for imaging tissues behind obstacles includes following steps: (1) providing an ultrasound array transducer that includes at least four active elements; (2) spraying a data sample of an ultrasound beam along an impulse response curve into an output image domain; (3) binning each point on the impulse response curve by a value of an unique attribute; (4) summing an image value at the each point on the impulse response curve into a corresponding partial image volume associated with the unique attribute; (5) repeating steps (2)-(4) for all data samples of all ultrasound beams to obtain a plurality of partial image volumes; (6) sorting the partial image volumes by the unique attribute to generate common image point gathers; and (7) obtaining an image of the tissues by stacking common image point gathers at all output locations.

The application discloses a kind of ultrasonic measuring device and measuring method of liquid medium pressure in pipeline, and measuring device includes wedge, temperature probe, ultrasonic array transducer, ultrasonic array transceiver, temperature transmitter, main control machine;The main control machine is connected with ultrasonic array transceiver, temperature transmitter respectively.This application is based on the linear relationship between pipe wall stress and liquid pressure in pipeline in a certain range, and the linear relationship between pipe wall stress and ultrasonic velocity in pipe wall in a certain range, finally the propagation time of ultrasonic transverse wave in pipe wall cross section is measured to detect the pressure value of liquid medium in pipeline.This application measures the liquid pressure in pipeline based on ultrasonic transverse wave, the propagation velocity is relatively slow, which improves the measurement accuracy;Ultrasonic transverse wave can only propagate in solid, avoid ultrasonic projection to pipeline medium to produce reflection and scattering and other clutter signals, which improves the reliability of measurement.

The utility model discloses a household bladder scanning instrument which comprises a bladder scanning instrument body, a three-array type transducer set and a circuit board, the three-array type transducer set and the circuit board are arranged in the bladder scanning instrument body, and the three-array type transducer set is electrically connected with the circuit board through a flexible flat cable set. The bladder scanner has the advantages that the flexible flat cable can well adapt to the complex and compact space layout in the bladder scanner. Compared with a traditional common wire or a coaxial wire, the flexible flat cable is not easy to damage during bending and folding, and stable connection between the transducer group and the circuit board can be ensured. The stability not only improves the overall reliability of the instrument, but also reduces the failure rate caused by poor connection, and meanwhile, the flexible flat cable has the characteristics of high density, thin thickness, light weight, small occupied space and the like.

The application discloses a while-drilling ultrasonic device and method for detecting the inherent frequency of hole bottom rock, which comprises a drill bit, a detection ultrasonic unit, a power ultrasonic unit, an external control device and the like; the detection ultrasonic unit is arranged in the form of a short section near the drill bit, contains a multi-array transducer and an echo information processing and entropy weight-Topsis dynamic weighting algorithm module, and through three-dimensional sweep frequency logic in the circumferential sector-by-sector, radial hierarchical and axial layered mode, sequentially carries out db4 wavelet denoising and FFT transformation on the echo signal to extract a resonance peak, and then calculates a weighted average frequency through the dynamic weighting algorithm; the power ultrasonic unit receives the frequency instruction to adjust vibration parameters in real time. The application realizes accurate detection of the inherent frequency of the whole space of the hole bottom, dynamically distinguishes the importance difference of rock blocks on rock breaking efficiency, improves the frequency matching degree and energy consumption efficiency of ultrasonic rock breaking, and has strong adaptability, supports original installation and later modification of various adjustable frequency ultrasonic rock breaking devices.

The present application relates to the technical field of nondestructive testing, in particular to a flexible ultrasonic array detection method for non-open inner cavity of composite material structure. The flexible ultrasonic scanner is used to pull the flexible ultrasonic array transducer, so that the flexible ultrasonic array transducer moves in a linear direction for scanning. The signal of the array wafer of the flexible ultrasonic array transducer is transmitted to the ultrasonic array unit for processing, so as to realize ultrasonic automatic scanning detection of the non-open inner cavity of the composite material with different lengths. The ultrasonic rapid automatic scanning detection of the inner reinforcing rib of the non-open inner cavity of the composite material structure can be completed by one scanning. The detection automation degree is high, the detection efficiency is high, the detection result can be recorded and visualized, the defect positioning is easy, the detection result is less affected by the technical state and subjective factors of the detector, and the detectability, detection efficiency and reliability of the inner reinforcing rib of the non-open inner cavity of the composite material structure are significantly improved.

A method for generating a spatial distribution of acoustic transmitting frequencies by a time modulated array (TMA) of transducers includes generating, by a tapped delay line, a plurality of pulsed sampling signals, wherein each pulsed sampling signal includes a series of frequency harmonics and successive signals of the plurality of pulsed sampling signals are separated by a predetermined delay time; mixing each of the plurality of pulsed sampling signals with a time-limited information signal wherein a plurality of mixer output signals is generated; bandpass filtering each of the plurality of mixer output signals; generating a first plurality of simultaneous TMA beams from the plurality of filtered and weighted output signals by driving a plurality of acoustic transducers in a spatial array of acoustic transducers, wherein each beam of the first plurality of simultaneous beams is associated with one of a plurality of transmitting carrier frequencies

The invention discloses a non-contact ultrasonic uniform mixing and stirring device. The device comprises a sample accommodating area; the ultrasonic transmitting module comprises an ultrasonic generator and an array type transducer, the array type transducer is electrically connected with the ultrasonic generator, the array type transducer is composed of a plurality of piezoelectric ceramic transducer units which are arranged in an array mode, the array type transducer is arranged on one side of the sample containing area, and the transmitting face of the array type transducer right faces the sample container; the ultrasonic reflecting plate is arranged on the other side, opposite to the array transducer, of the sample accommodating area; and the control module is electrically connected with the ultrasonic generator and is used for selectively driving different piezoelectric ceramic transducer units in the array type transducer to work according to a preset time sequence and a space sequence. The device omits a cleaning step, is small and compact in structure, simple and convenient to use and easy to integrate into automatic equipment, remarkably reduces the operation complexity and equipment space occupation while improving the sample mixing efficiency, and avoids cross contamination caused by incomplete cleaning.

The application discloses a single / dual-frequency array transducer for sound field and focal volume multiple regulation, which comprises a transducer shell, one end of the transducer shell is provided with a prismatic baffle, the surface of the prismatic baffle is provided with a multi-array piezoelectric layer, the multi-array piezoelectric layer is provided with variable sound-transparent rubber, the projection surface of the multi-array piezoelectric layer is a circle, the projection surface is divided into three concentric circular rings, and the three concentric circular rings are arranged in the form of a single / dual-frequency curved surface split array with m+n+k, the projection surface of the m, n and k arrays is the three concentric circular rings, different resonance frequencies are obtained by driving different arrays, and due to the single / dual-frequency curved surface split array arrangement mode, the application provides a split array phase regulation and focusing vortex topological charge regulation mode for changing the size of a sound field focal volume, a multiple vortex sound field regulation mode for force field control and a dual-frequency split array and vortex regulation mode for cavitation intensity and distribution efficiency, and the mode has high cavitation activity intensity, easy inertial cavitation and fast temperature rise.