86 results about "Acoustic vibration" patented technology

The invention relates to an innovative system for retrieving and analysing acoustic signatures stored in solid surfaces such as stone and metal. The system uses advanced technologies such as high-precision vibration sensors, laser systems and artificial intelligence algorithms to analyse residual acoustic vibrations and reconstruct ancient sounds. The system can be used in archaeological studies, acoustic engineering and scientific research, opening up new horizons for understanding earlier civilisations and studying the effect of sound on solid materials.

This utility model relates to the field of non-destructive testing technology and provides a modular acoustic vibration detection probe structure, including a housing and a locking mechanism. The locking mechanism is provided on one side of the surface of the housing, and a combination mechanism is provided at one end of the housing. The modular acoustic vibration detection probe structure provided by this solution, through the locking mechanism, first places the device in the detection area and fixes it to the detection area with an external knot or Velcro. Then, a wiring is connected to the external wiring interface, and real-time data during the detection is transmitted to the operator. When the corresponding sensor needs to be replaced, the battery pack is pulled out of the housing, and then the hidden handle on the corresponding integrated plate is pulled. During the pulling process, the locking block and the limiting block fixedly connected to the integrated plate change from a locked state to a sliding state. At the same time, the limiting block is pressed, and the limiting block overcomes the spring force and slides in the integrated groove, realizing the release operation.

An ultrasonic welding assembly comprising a sonotrode with a first body portion, a first nodal region, a welding region, a second nodal region, and a second body portion; a transducer rotationally connected to the second body portion for transmitting acoustic vibrations to the welding region; a roller device connected to the transducer and the sonotrode to allow axial rotation of the transducer and the sonotrode; a support device flexibly connected to the roller device to maintain axial alignment of the transducer and the sonotrode with respect to a target welding area; a bracket for holding the sonotrode; and four frictionless bearings located around the nodal regions of the sonotrode, where the frictionless bearings are attached to the bracket.

Electric heating clothing typically includes an electric heater and a battery. Battery energy is finite, and if the battery supplying energy to heat the clothing discharges in extremely cold weather, the user's health and life are at risk. This invention discloses a system for electric heating clothing, comprising means for converting energy present in the surrounding natural environment into electrical energy for heating the clothing and extending its heating cycle. The energy is obtained using one or more means selected from wind-induced vibration, acoustic vibration, ambient air humidity, snow friction generators using snow, temperature fluctuations in ambient air, and the temperature difference between the ground surface temperature and the ambient air temperature.

This invention discloses an ultrasonic vibration-based electromagnetic induction heating additive manufacturing apparatus, comprising a frame, an induction heating nozzle assembly, an ultrasonic vibration component that concentrates vibration energy at the outlet of the induction heating nozzle assembly, a receiving platform, and a motion mechanism. The induction heating nozzle assembly is mounted on the frame, and the ultrasonic vibration component is located on the outer periphery of the induction heating nozzle assembly with a gap between them. The receiving platform is mounted on the motion mechanism and positioned below the induction heating nozzle assembly. This invention features an ultrasonic vibration component on the outer periphery of the induction heating nozzle assembly. This component generates high-frequency vibration and efficiently transfers vibration energy to the filament, thereby reducing the resistance of the molten metal during flow, ensuring smooth flow, and enhancing interlayer bonding strength, resulting in a tighter and more reliable connection between filament layers. Furthermore, the use of non-contact ultrasonic vibration effectively avoids problems such as contact thermal damage to the ultrasonic vibration element caused by high-temperature molten metal.

This wire break detection device (20) in at least one cable (10) of a civil engineering structure comprises: – a set of acoustic sensors (14a) intended to be fixed on a cable (10) or on anchor points (11, 12) of the cable (10) so as to receive an acoustic wave when a wire or strand of the cable (10) breaks; the acoustic sensors (14a) being capable of capturing this acoustic wave; and – an analysis unit (17) capable of receiving detection information of said acoustic wave by the acoustic sensors (14a) and of locating a wire break in the cable (10) according to the locations of the acoustic sensors (14a) which detected the acoustic wave.The acoustic sensors (14a) are grouped into clusters (16a), each cluster (16a) comprising a monitoring unit (15) equipped with: – a signal acquisition card for the signals from the acoustic sensors (14a); – a memory (18) for recording and time-stamping the signals from the acoustic sensors (14a) for a predetermined period before and after exceeding an acoustic vibration threshold; and – means for transmitting the recorded signals to the analysis unit (17); the analysis unit (17) being capable of receiving all the signals recorded by the different monitoring units (15) of the same cable (10) and of characterizing and locating a wire break based on the shape of the signals. Figure for the abbreviation: Fig 1.

1. Name of the product in this design: Distributed Fiber Optic Sensing Demodulator. 2. Purpose of this design: To integrate distributed optical fiber acoustic vibration sensing (DAS) and distributed optical fiber temperature sensing (DTS) technologies into one unit for simultaneous monitoring of vibration events and temperature changes along the optical fiber. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A method (800) for laterally sealing a tube (116) of packaging material (102) using an ultrasonic sealing device (121), the method comprising: placing (802) a laterally sealing portion (112) of the tube (116) between an ultrasonic generator (118) and an anvil (120) including ridges (600, 700), wherein the laterally sealing portion (112) of the tube (116) comprises a first two-layer sub-part (212), a three-layer sub-part (214), and a second two-layer sub-part (216), and discharging ultrasonic acoustic vibrations having a frequency (f) and an amplitude (A) from the ultrasonic generator. The device (118) transmits heat to the transverse sealing portion (112), thereby causing heat generation in the cardboard (104), which in turn causes the plastic foil (106) in the transverse sealing portion (112) to melt, and the tube (116) is pressed (806) together by pressure (P) between the ultrasonic generator (118) and the anvil (120), thereby causing the plastic foil (106) of the transverse sealing portion (112) to bond together, thus forming a transverse sealing portion (124), wherein the ridges (600, 700) of the anvil (120) include: for receiving the tube (116) The first two-layer sub-part (602) of the first two-layer sub-part (212), the first two-layer or three-layer sub-part (604) for receiving the first two-layer sub-part (212) or the three-layer sub-part (214) of the tube (116), the three-layer sub-part (606) for receiving the three-layer sub-part (214) of the tube (116), the second two-layer or three-layer sub-part (608) for receiving the three-layer sub-part (214) or the second two-layer sub-part (216) of the tube (116), and the second two-layer sub-part (216) for receiving the tube (116). The second two-layer sub-section (610), wherein the ridges (600, 700) have equal heights (H) in the first two-layer sub-section (602), the first two- or three-layer sub-section (604), the second two- or three-layer sub-section (608), and the second two-layer sub-section (610), wherein a combination of the characteristics of the frequency (f), the amplitude (A), the pressure (P), and the cardboard (104) is selected such that the temperatures in the first two-layer sub-section (212), the three-layer sub-section (214), and the second two-layer sub-section (216) of the tube (116) are equal.

This utility model relates to the field of marine biofouling prevention technology and discloses a snap-ring type ultrasonic anti-marine biofouling device for ship main seawater pipes. It includes an intelligent monitoring cabinet and an ultrasonic transducer array. The intelligent monitoring cabinet is electrically connected to the ultrasonic transducer array via a main power transmission cable. This device solves the problem of large-area installation of seawater pipes without damaging the pipe structure, even in situations where space below deck is limited and movement is difficult. By using a discrete oscillator to drive the snap-ring to vibrate at high frequency, it excites higher-order bending modes in the seawater pipe, achieving a wide-range ultrasonic vibration effect to realize the three-dimensional anti-marine biofouling purpose. The snap-ring features good fit to the main seawater pipe, reliability, and durability, and is easy to install. It can be deployed before or after the main seawater pipe is assembled on the ship, allowing installation on both new and old ships. The distributed transducer array improves the ability to apply electrical power and the sound field coverage.

This application discloses a method for proactive fire prevention in underground utility tunnels, relating to the field of cable fire monitoring technology. The method includes: acquiring composite physical field characteristic parameters of the target area, including temperature change rate, acoustic vibration signal characteristic values, and gas concentration values; generating a trigger signal when the temperature change rate, acoustic vibration signal characteristic values, or gas concentration values ​​reach preset critical values; responding to the trigger signal with an intervention action; acquiring feedback parameters after the intervention action, and determining whether to repeat the intervention action based on the feedback parameters. This application achieves accurate identification of the imminent thermal-electrical runaway critical state of cable joints through the above method, advancing the intervention time from post-disaster to pre-disaster, fundamentally blocking the path of fault evolution into fire.

The application discloses a kind of magnetic suspension centering magnetostrictive positioning double-positioning ultrasonic vibration processing systems, and the application relates to the technical field of ultrasonic vibration processing, magnetic suspension technology, magnetostrictive positioning technology.The system mainly includes: ultrasonic vibrator part, magnetic suspension device part, magnetostrictive positioning part.The system can realize the ultrasonic vibration excitation of different distance large-size cutters in the prior art, improve the manufacturing efficiency of deep cavity construction.The application uses magnetostrictive positioning device to realize the free adjustment of axial distance and the positioning of rotating spindle in work, realizes the forward movement of inductive power supply device and the ultrasonic vibration power supply of long-distance axial adjustment;The magnetic repulsion force generated by the electromagnetic part and the permanent magnet part offsets the weight of the device, improves the stability of the system in the processing process.

The application discloses a biomimetic laminated order degree control method based on ball milling parameter feedback, relates to the technical field of biomimetic laminated composite material preparation and order degree control, and comprises the following steps: building a cross-field self-coupling integrated device, establishing the original correlation of acoustic vibration-phase difference-particle micro feature and calibrating the correlation threshold, and performing cross-field closed-loop self-regulation of the ball milling and assembly stage; in the application, the cross-field self-coupling integrated device, the original correlation of acoustic vibration-phase difference-particle micro feature, the cross-field closed-loop self-regulation, the phase-locked acoustic vibration auxiliary low-temperature solidification and the particle circulation grading technology are utilized, the problems of the dispersed micro feature of traditional process flaky Al powder, the disorder of laminated assembly, the difficulty in accurately controlling the order degree, the poor batch consistency of products, and the high scrap rate are solved, the biomimetic laminated order degree is accurately controlled, the uniformity of the material neutron absorption efficiency and the mechanical performance are significantly improved, the batch consistency of products is optimized, and the production cost is reduced.

The application provides an engine noise active synthesis and optimization system and method, relates to the technical field of internal combustion engine noise, vibration and sound roughness control, and comprises the following modules: a path inversion modeling module based on working condition sensing, which obtains component structure sound transfer functions and air sound transfer functions; an engine noise measurement module, which obtains target point measured noise; a path joint mapping identification module, which inversely calculates component structure sound contribution and air sound contribution; a noise active synthesis module, which vector superimposes the contribution to obtain synthesized noise; and a synthesized noise judgment module, which compares and verifies the synthesized noise and the measured noise, and corrects the transfer function through regularization processing until the accuracy requirement is met when the deviation is greater than the threshold. Through double-path synchronous inversion modeling and regularization correction, the application realizes noise contribution quantization and active synthesis, quickly screens and optimizes the scheme in combination with the virtual path breaking technology, and solves the problems of insufficient noise recognition accuracy, long development cycle and poor optimization effect.

This application provides an intelligent management and control method and system for the construction progress of power engineering, relating to the field of power engineering technology. The method includes: acquiring dynamic time-series data, extracting standard torque-angle relationship curves and standard acoustic vibration characteristic sequences; real-time monitoring of the tightening operation process of the target bolts; generating a real-time torque-angle relationship curve based on the real-time tightening torque sequence and the real-time tightening angle sequence, and performing full-process dynamic matching with the standard torque-angle relationship curve; analyzing the real-time operation acoustic vibration sequence and the standard acoustic vibration characteristic sequence; and determining the tightening qualification based on the process matching degree and acoustic vibration anomaly index, generating a qualification judgment result. This application solves the technical problem in the prior art where the bolt tightening process is unobservable, leading to a process black box and affecting the construction efficiency of power engineering. By introducing a dynamic fingerprint database and intelligent tightening tools, the quality of the bolt tightening process is ensured, and the construction efficiency of power engineering is improved.

A numerical simulation method for heat and mass transfer under the synergy of ultrasonic vibration and CMT-P arc is disclosed. The method includes constructing an arc additive manufacturing system and obtaining a sample; building a two-dimensional geometric model; forming a complete numerical model of heat and mass transfer in the ultrasonic-CMT-P arc molten pool; setting boundary and initial conditions; obtaining transient evolution results of the molten pool temperature field, velocity field, and phase distribution; and evaluating the accuracy and reliability of the constructed model. The advantages of this invention are: it enables the synergistic solution of the acoustic field, flow field, thermal field, and electromagnetic field, comprehensively describing the heat and mass transfer behavior under the ultrasonic-CMT-P composite process. By dynamically coupling the ultrasonic displacement boundary conditions, the CMT-P heat and force sources, and the motion law of the moving mesh to the solver, transient numerical solutions of multiple physics fields (acoustic, thermal, mechanical, and magnetic) can be achieved. By comparing the simulated droplet transition morphology with high-speed photographic images over time, and by performing quantitative error analysis on the calculated melt width and depth values ​​with experimental measurements, the accuracy of the model can be dually verified.

The application discloses a kind of based on acoustic vibration multimodal fusion rolling bearing fault diagnosis method and system, it is related to bearing fault diagnosis field, including: using the fusion physical information's multimodal rolling bearing fault diagnosis model that is constructed and trained in advance to carry out fault diagnosis;The multimodal rolling bearing fault diagnosis model is used to obtain vibration characteristics, acoustic characteristics and physical consistency score according to sample;Vibration characteristics and acoustic characteristics are preliminarily grouped and fused, and multimodal preliminary fusion feature is obtained;Based on coordinate attention mechanism, multimodal preliminary fusion feature is enhanced in high order coordinate, and multimodal enhanced fusion feature is obtained;According to multimodal enhanced fusion feature and physical consistency score, predicted time series state sequence is obtained;According to predicted time series state sequence, predicted fault diagnosis result is obtained.The application effectively solves the problems of insufficient modal-specific feature extraction, fusion redundancy conflict and lack of physical constraints in time series modeling in multimodal fault diagnosis.

Method and system for tracking of acoustic vibrations of a structural element of the middle or inner ear with optical coherence tomography using an acoustic source configured to generate an acoustic stimulus to induce vibrations of the structural element; an OCT device configured to measure a measurement signal comprising vibrographic information representative for the vibrations of the structural element in a measurement direction and an optical tracking system arranged to measure a tracking signal representative for displacements of the structural element in at least a tracking direction perpendicular to the measurement direction.

The application discloses a kind of belt conveyor equipment state intelligent monitoring method and system, it is related to equipment fault diagnosis technical field, the monitoring method includes: obtaining the corresponding acoustic vibration data of each carrier roller in running state respectively;Using multidimensional acoustic feature extraction strategy, the multidimensional acoustic feature vector corresponding to each acoustic vibration data is generated respectively;Determine the state label corresponding to each multidimensional acoustic feature vector respectively, and form the sample set with multidimensional acoustic feature vector, state label as sample;Based on sample set, pre-constructed neural network model is trained, obtains the fault identification network for identifying carrier roller fault type;Real-time acquisition of the acoustic vibration signal generated by carrier roller when running, using the trained fault identification network, judge whether there is fault.The application realizes the full coverage of carrier roller state, all-weather online real-time monitoring, and can automatically identify and output fault type, enhances the overall performance and safety of conveyor carrier roller.

This invention belongs to the field of industrial equipment condition monitoring and fault diagnosis technology, specifically a method and system for intelligent diagnosis and leak location of vacuum degree in a vacuum heat exchanger. It includes a heat exchanger shell, a data acquisition layer, an intelligent analysis layer, and an execution feedback layer. The data acquisition layer is used to collect absolute pressure signals, temperature distribution signals, and acoustic vibration signals. The intelligent analysis layer is used to run prediction models, diagnostic algorithms, and location algorithms. The execution feedback layer is used to perform maintenance compensation and alarm functions. The heat exchanger shell is equipped with a set of flange seats. Feedthrough flanges are connected to the flange seats. Sensing elements are fixedly connected to the feedthrough flanges. By integrating a sensor array and combining the prediction model, diagnostic algorithm, and location algorithm of the intelligent analysis layer, online real-time monitoring and intelligent diagnosis of the heat exchanger vacuum degree can be achieved. Accurate early warnings of minor leaks can be provided without equipment shutdown, distinguishing between normal pressure fluctuations and abnormal leaks.

This utility model relates to the field of composite panel structure technology, specifically a sound insulation and vibration reduction partition for ship cabins containing acoustic black holes. The partition includes: an acoustic black hole thin plate layer, a damping material layer, and a honeycomb panel layer. Multiple sets of acoustic black hole structures are arranged in an array on the acoustic black hole thin plate layer, and the thickness of the acoustic black hole region satisfies a power law. The damping material layer forms an energy buffer interface, and its two sides are connected to the acoustic black hole thin plate layer and the honeycomb panel layer, respectively. The honeycomb panel layer is used to complete acoustic radiation impedance matching and suppression. This utility model constructs a complete acoustic vibration control chain of "vibration capture - energy dissipation - acoustic impedance matching" through gradient impedance design of each functional layer, improving sound insulation without increasing mass. It is particularly suitable for applications such as ship cabins that are weight-sensitive and require broadband noise reduction.

The utility model provides an industrial oil sludge separation device and relates to the field of waste oil recovery. The separation device comprises a treatment box body, the interior of the treatment box body is sequentially divided and communicated with a water inlet chamber, a demulsification chamber, a separation chamber and a recovery chamber in the horizontal direction, and the water inlet chamber is communicated with a water inlet pipe; the demulsification assembly comprises a nanometer microbubble generation structure and a first ultrasonic generation structure, the nanometer microbubble generation structure is used for conveying nanometer microbubble water to the water inlet chamber or / and the separation chamber, and the first ultrasonic generation structure is used for sending ultrasonic waves to the demulsification chamber; the recovery structure comprises a water outlet pipe and an oil outlet pipe; and the sound wave vibration assembly comprises an ultrasonic vibration grid and a second ultrasonic generation structure, the ultrasonic vibration grid is arranged in the recovery chamber in a liftable mode, and an ultrasonic transducer of the second ultrasonic generation structure is arranged on the ultrasonic vibration grid. The separation device effectively solves the problem of low extraction efficiency caused by adhesion of the high-viscosity oil sludge.

We provide a necklace-type terminal equipped with an environmental sensor device and a biosensor device. [Solution] The necklace-type terminal is worn by a mobile organism to collect data in an area where plants are grown. The necklace-type terminal includes a biosensor device, an environmental sensor device, an acoustic collector that detects acoustic vibrations including sound waves from outside the necklace-type terminal and sound waves emitted by the organism, a data collection unit that collects data signals from the biosensor device, the environmental sensor device, and the acoustic collector and generates output data, a first communication unit configured to receive output data from the data collection unit and capable of communicating with a data processing device located outside the necklace-type terminal, and an electroacoustic converter that converts electrical signals from the first communication unit into acoustic vibrations. The environmental sensor device includes an optical sensor device that detects light at the location of the necklace-type terminal.

This disclosure presents a system, method, and apparatus for preventing fracture communication between wells, the system comprising: a sensor coupled to a fracking wellhead, circulating fluid line, or standpipe of a well and configured to convert acoustic vibrations in fracking fluid in the well into an electrical signal; a memory configured to store the electrical signal; a machine-learning system configured to analyze current frequency components of the electrical signal in a window of time and to identify impending fracture communication between the well and an offset well, the machine-learning system having been trained on previous frequency components of electrical signals measured during previous instances of fracture communication between wells; and a user interface configured to return a notification of the impending fracture communication to an operator of the well.

The application discloses a desulfurization slurry physical defoaming device and a defoaming method, and belongs to the technical field of defoaming separation. The method comprises the following steps: overflowing the foam-containing slurry into a defoaming separation device; performing preliminary physical defoaming by using a multiple mechanical defoaming module driven by slurry flow force; performing ultrasonic defoaming on the collected slurry by a dynamic ultrasonic defoaming module; filtering and dynamically cleaning the slurry after defoaming by using a filter integration processing module; guiding the purified slurry back to a desulfurization system, and discharging the remaining foam and slurry into a pit. The application adopts a multistage physical defoaming mode combining mechanical extrusion, ultrasonic vibration and filter cleaning, has the advantages of high defoaming efficiency, online slurry recovery, filter screen blockage avoidance and pit load reduction.

The application provides a kind of nuclear power plant pipe system flow-induced sound vibration evaluation method based on IDF model, through realizing the whole process automation and standardization from IDF format file analysis, structured parameter conversion, pipe system digital model reconstruction, to sensitive component screening, special database construction and key frequency automatic calculation, risk assessment, effectively avoid the low efficiency, human error and other disadvantages caused by the dependence of traditional evaluation method on manual parameter extraction and manual calculation, greatly improve the efficiency and accuracy of nuclear power plant pipe system flow-induced sound vibration evaluation, simplify the repeated evaluation process of parameter iteration update, provide efficient and reliable technical support for nuclear power plant pipe system structural integrity guarantee and safe operation, significantly reduce the consumption of manpower and material resources.

This invention discloses a clamp-on three-sensor fusion device for monitoring leaks in heating pipe networks, relating to the field of sensor technology. The invention includes a pipe with an upper semi-circular shell disposed on one side of the pipe surface. The invention constructs a multi-dimensional sensing system using a vibration sensor, a temperature sensor array, and an ultrasonic sensor. This system can simultaneously capture leak characteristic signals from multiple physical dimensions, including acoustic vibration, temperature distribution changes, and high-frequency ultrasound. When a leak occurs in the pipe, the signals collected by the three sensors cross-validate in time and space. A built-in fusion algorithm performs weighted analysis and feature extraction on the multi-source data, effectively filtering interference signals caused by environmental noise, medium pressure fluctuations, or external mechanical vibrations. This achieves dual-sensitive detection of both minor leaks and sudden pipe bursts, solving the problems of monitoring blind spots and insufficient reliability caused by the poor environmental adaptability of traditional single sensors.

The application discloses a charging pile health diagnosis method and device, equipment and medium, and relates to the technical field of charging piles. The method comprises the following steps: acquiring first monitoring data and simulation data corresponding to a target charging pile; wherein the first monitoring data comprises electrical monitoring data, temperature monitoring data, acoustic vibration monitoring data and environmental monitoring data; the simulation data comprises simulated electrical harmonic characteristics, simulated temperature field distribution characteristics and simulated vibration frequency spectrum characteristics, and is obtained by synchronous simulation based on a multi-modal data twin model and real-time working condition parameters of the target charging pile; the multi-modal data twin model simulates electrical behavior, thermodynamic behavior and mechanical vibration behavior of the target charging pile; feature extraction and feature fusion are performed on the first monitoring data to obtain first feature data; feature alignment and residual calculation are performed based on the first feature data and the simulation data to obtain a residual sequence; and time series analysis and degradation analysis are performed based on the residual sequence to obtain a health diagnosis result corresponding to the target charging pile. The method can realize accurate diagnosis of the target charging pile.

This invention discloses an ultrasonic vibration-assisted full-domain transient cladding device and method in the field of surface strengthening technology for components. The cladding chamber is equipped with an inert gas cylinder, an ultrasonic generator, and a vacuum pump on its exterior. Inside the cladding chamber, from top to bottom, are arranged an ultrasonic vibrating head, a perforated graphite felt, coating powder, a workpiece, and a third telescopic motor. The top surface of the workpiece is covered with a layer of coating powder. The perforated graphite felt has through-holes, and an ultrasonic vibrating head extends into one of the holes in the perforated graphite felt. Using air as a carrier, ultrasonic vibration is transmitted to the cladding layer. The workpiece itself does not vibrate, allowing the metal dendrites in the cladding layer to fracture during metal crystallization, promoting the growth of new crystal nuclei and achieving grain refinement. After the cladding layer is formed, the DC power supply is turned off, but the ultrasonic vibrating head continues to operate. The cladding layer of the workpiece impacts the ultrasonic vibrating head, forging the cladding layer and further improving its plasticity and mechanical properties.