68 results about "Ultrasonic analysis" patented technology

The invention relates to a portable full automatic resistance spot welding ultrasonic detecting instrument and a detecting method. The portable full automatic resistance spot welding ultrasonic detecting instrument comprises an industrial computer, an ultrasonic probe, an ultrasonic detecting module integrated in an IPC (Industrial Personal Computer), a compact-type two-dimension mechanical scanning motion module, and an ultrasonic analyzing module, wherein the ultrasonic detecting module comprises an ultrasonic pulse radiating circuit, an ultrasonic receiving circuit and an A / D conversion circuit; the compact-type two-dimension mechanical scanning motion module comprises a micro-scale linear motor, a driver, a motion control card, and a self-adaption profile-followed device; the ultrasonic analyzing module comprises a data and image processing module, a database storage module, and a manual playback and analysis module. Functions such as self-adaption scanning and detecting to the resistance spot welding joint surface, automatic generation of a C scanning image, and quantitive calculation of nugget diameter of the ultrasonic probe in the situation of non-water immersion are realized; compared with the prior art, the portable full automatic resistance spot welding ultrasonic detecting instrument and the detecting method have the advantages of simplicity in operation, portability, reliability, strong anti-jamming capability, high detection and analyzing speed and the like.

An autoclave reactor allows for the ultrasonic analysis of slurry concentration and particle size distribution at elevated temperatures and pressures while maintaining the temperature- and pressure-sensitive ultrasonic transducers under ambient conditions. The reactor vessel is a hollow stainless steel cylinder containing the slurry which includes a stirrer and a N2 gas source for directing gas bubbles through the slurry. Input and output transducers are connected to opposed lateral portions of the hollow cylinder for respectively directing sound waves through the slurry and receiving these sound waves after transmission through the slurry, where changes in sound wave velocity and amplitude can be used to measure slurry parameters. Ultrasonic adapters connect the transducers to the reactor vessel in a sealed manner and isolate the transducers from the hostile conditions within the vessel without ultrasonic signal distortion or losses.

The invention discloses a vacuum pulse type method of extracting and purifying ursolic acid of rosemary. The method comprises the following steps: (1) drying and crushing a raw material medical material rosemary; (2) carrying out vacuum pulse type reflux extraction on the material by taking 20-90% of ethanol as a solvent, and concentrating the extracting liquor for later use; and (3) carrying out ultrasonic analysis on the concentrated ursolic acid extracting liquor after being adsorbed by D101 macroporous resin, and then, concentrating, crystallizing twice and drying to obtain a 90-98% ursolic acid product. The method provided by the invention efficiently and greenly extracts ursolic acid in the whole technical process under a condition that no organic solvents except ethanol are used, and the finally obtained ursolic acid product has the activities of bacteriostatic action, tumor resistance, inflammation dimishing and the like and is wide in application prospect.

The method decomposes the radio frequency signal into sub-bands by filtering, for example with a time-frequency transform. From the coefficients acquired through decomposition a matrix of spectral coefficients is obtained, from which local estimators are obtained, constituted in particular by the coefficients of the interpolating polynomials. The statistical distribution of the local estimators is evaluated in windows overlaid on the ultrasound frame. The conformation of the distribution histograms of the spectral coefficients provides a parameter which, combined with the local estimators, provides weighted local estimators, which contain spectral information useful in the identification of specific structures in the organ subjected to ultrasound analysis.

A method and apparatus for analyzing elastography of tissue using ultrasound waves, wherein elastography information of tissue in a region of interest (ROI) is analyzed by irradiating ultrasound waves for diagnosis towards the ROI to which a shear wave is induced from an ultrasound probe, receiving echo ultrasound waves, and acquiring three-dimensional (3D) ultrasound images with respect to the ROI.

A method is provided for calibrating ultrasonic signals passed through a crimp formed with respect to a deformable body via an ultrasonically-equipped crimp tool (UECT). The UECT verifies a crimp quality using the ultrasonic signals. The method includes forming the crimp, transmitting a first signal, e.g., a pulse, to a first transducer of the UECT, and converting the first signal, using the first transducer, into a second signal which defines an ultrasonic pulse. This pulse is transmitted through the UECT into the crimp. A second transducer converts the second signal into a third signal, which may be further conditioned, and the ultrasonic signals are calibrated using the third signal or its conditioned variant. An apparatus for calibrating the ultrasonic signals includes a pulse module (PM) electrically connected to the first and second transducers, and an oscilloscope or display electrically connected to the PM for analyzing an electrical output signal therefrom.

The invention relates to a device for analyzing the oxygen density and the flow rate by utilizing ultrasonic and an analysis method thereof. The device comprises a container; two ends of the container are respectively provided with a circuit board, and the container is internally provided with a container internal cavity; the external part of the container internal cavity is provided with an inlet external cavity and an outlet external cavity; an air inlet and an air outlet are arranged on the container, and are respectively communicated with the inlet external cavity and the outlet external cavity; and both circuit boards are respectively provided with an ultrasonic transducer, any one of which is provided with a temperature sensor inserted into the container internal cavity through long tube leg pins. The method comprises the following steps: a transmission unit is used for controlling one of the ultrasonic transducers to transmit ultrasonic and the other one to receive the ultrasonic; a switching network switches over and controls the transmission and receiving of the ultrasonic transducers, and simultaneously the temperature sensor is used for measuring oxygen temperature T; a receiving unit sends signals to a microcontroller to obtain the forward conduction time and reverse conduction time tf and tr; and then the density P and the flow rate Q of oxygen being measured are calculated through a function relationship. The invention has the advantages of fast response speed to density change, compact structure, and the like.

The invention discloses a brush type seal robot welding system based on the ultrasonic detection technology. The brush type seal robot welding system based on the ultrasonic detection technology comprises an ultrasonic detection module. An ultrasonic analysis module is electrically connected with and communicates with the ultrasonic detection module and a robot control module. A laser welding module is fixedly connected with the robot control module. The ultrasonic analysis module scans a welding surface of a row wire root of a brush type seal through ultrasonic flaw detection equipment and sends wave signals obtained after scanning to the ultrasonic analysis module to carry out welding area positioning, welding seam tracking and welding penetration detection. Operation parameters are determined and sent to the robot control module. The robot control module works in cooperation with the laser welding module to complete welding operation. Welding area positioning, welding seam tracking and welding penetration monitoring are carried out through the ultrasonic detection technology, and automatic welding is realized in combination with a robot welding system, so that the welding quality is fully guaranteed, and meanwhile the welding work efficiency is improved.

An intelligent fault-in-rail analysis method based on multimodal fusion learning. Ultrasonic analysis data of the rail and high-definition rail surface images taken by line scan cameras are exploited in combination to detect and display internal and surface faults of the rail through different renditions using multimodal data. Rail DEtection TRansformer (R-DETR) technology or a You Only Look Once (YOLO) inspection machine-learning algorithm are employed in a deep convolutional neural network to analyze B-scan and rail surface image data to recognize rail line faults. After obtaining expressive data through data enhancement by computer processing, faults are recognized and pinpointed using the deep convolutional neural network learning algorithm. Analysis results are corrected with expert systems. The disclosed automatic ultrasonic fault-in-rail inspection solves the problem of slow detection and difficulties in tracking faults in everyday routine maintenance while also protecting the safety of rail operation and maintenance personnel.

The invention discloses an ultrasonic wave analysis device and system for GIS breakdown positioning in an electric system. The device comprises an ultrasonic sensor, a signal amplification processor, a data analysis module, a display, a keyboard and a signal indication lamp. The ultrasonic sensor is connected with the signal amplification processor, the signal amplification processor is connected with the data analysis module, and the display, the keyboard and the signal indication lamp are all connected with the data analysis module. The ultrasonic sensor is used for receiving ultrasonic signals generated by GIS breakdown discharge in the electric system, and the ultrasonic signals are transmitted to the data analysis module after being amplified in a multistage mode and filtered and tuned by the signal amplification processor. The data analysis module analyzes data and obtains breakdown data, and then captures data values and the moment corresponding to GIS breakdown. The device can detect breakdown discharge portions of GIS equipment. The invention simultaneously discloses the system being composed of a plurality of independent ultrasonic wave analysis devices.

The invention discloses a cable defect detecting system based on induction power supply. A clamping portion is used to clamp a cable; an ultrasonic sensor is disposed outside a safe distance from thecable, and the ultrasonic sensor conducts, through an optical fiber, a pressure wave signal generated during partial discharge of the online running cable caused by a cable core defect, sends the detected signal to an ultrasonic analyzer for detection and analysis; and finally the detection and analysis result is compared with a pre-calibrated result to determine the degree of cable defect. The system, by adopting a special cable clamp, can safely detect the defects of the cable when the cable is running online, and can conduct sound waves through the optical fiber, with a detection success rate much higher than the test result under the cable offline state. At the same time, the power supply circuit realizes the power supply from the cable, which can meet the long-term work under complicated conditions.

A method is provided for calibrating ultrasonic signals passed through a crimp formed with respect to a deformable body via an ultrasonically-equipped crimp tool (UECT). The UECT verifies a crimp quality using the ultrasonic signals. The method includes forming the crimp, transmitting a first signal, e.g., a pulse, to a first transducer of the UECT, and converting the first signal, using the first transducer, into a second signal which defines an ultrasonic pulse. This pulse is transmitted through the UECT into the crimp. A second transducer converts the second signal into a third signal, which may be further conditioned, and the ultrasonic signals are calibrated using the third signal or its conditioned variant. An apparatus for calibrating the ultrasonic signals includes a pulse module (PM) electrically connected to the first and second transducers, and an oscilloscope or display electrically connected to the PM for analyzing an electrical output signal therefrom.

The invention discloses a dynamic three-dimensional ultrasonic spine detection method and imaging system, and belongs to the field of medicine.The method adopts a mature three-dimensional spine ultrasonic imaging system to be matched with a wearable wireless ultrasonic probe to collect real-time ultrasonic images, a depth camera records space coordinate changes of spine feature points in real time when the spine of a patient is bent, and the dynamic three-dimensional spine ultrasonic imaging system is obtained. A three-dimensional ultrasonic image, a real-time ultrasonic image and a dynamic three-dimensional image of a back form are fused to obtain a dynamic three-dimensional ultrasonic spine image, and a deep learning algorithm is combined according to the dynamic three-dimensional ultrasonic spine image to carry out Lenke typing parameter measurement and calculation and carry out dynamic comprehensive evaluation on the spine. Scoliosis typing is improved from a traditional X-ray plane evaluation mode based on radiation hazards to non-radiation dynamic three-dimensional ultrasonic analysis, and the problems that in the prior art, the error rate of data collected under the static condition is high, and collection parameters are insufficient are solved.

A new optical ultrasonic analysis transducer is described. The device includes a new detection means for the reflected ultrasound signal. The detector may be incorporated into a microchip design. The detector is compatible with a variety of material and design geometries that may be optimized for the particular application. Versions of the device may optionally include both excitation and receiving elements on the same device or these elements may be separate. Example designs are shown with applications to continuous wave ultrasound analysis useful for example in Doppler fluid flow measurements. Other designs are shown with multiple arrays and multiple excitation transducers to allow flexible three-dimensional imaging apparatus to be built. An equivalent circuit analysis of the frequency response and signal sensitivity provides means to customize material selection and other design parameters for particular applications.

The invention discloses an ultrasonic image processing method and system, and belongs to the field of data management. The ultrasonic image processing method comprises the following steps that to-be-processed ultrasonic data sent by a client is distributed to a processing node server in a cloud computing platform meeting a preset condition; the processing node server analyzes the to-be-processed ultrasonic data, obtains the ultrasonic analysis data and sends the ultrasonic analysis data to the corresponding client, so that the purpose of automatically identifying the ultrasonic data is achieved, manual identification is not needed, and the condition of missed diagnosis is avoided. Meanwhile, the cloud computing platform is adopted for ultrasonic data analysis, so that the calculated amountof local equipment (such as ultrasonic equipment, workstations or PACS of hospitals and the like) is reduced.

The invention relates to the technical field of partial discharge detection, in particular to a test device used for measuring ultrasonic partial discharge signal attenuation in an ultrasonic method. The test device comprises a high-voltage lead terminal, a horizontal bus sleeve and a vertical bus sleeve, a horizontal high-voltage conductor is arranged in the horizontal bus sleeve, a vertical high-voltage conductor is arranged in the vertical bus sleeve, the high-voltage lead terminal is connected with the horizontal high-voltage conductor, the vertical high-voltage conductor is connected with the horizontal high-voltage conductor through an isolation switch, the connection portion of the isolation switch and the vertical high-voltage conductor is of an L-type structure, the portion of the L-type structure between the high-voltage lead terminal and the horizontal high-voltage conductor is provided with a discharge pointed end, ultrasonic sensors are arranged in the horizontal bus sleeve, on the isolation switch and in the vertical bus sleeve respectively, and the ultrasonic sensors are all connected with an oscilloscope through coaxial cables identical in length. The test device can provide a theoretical basis for best installation positions and the number of the ultrasonic sensors in a partial discharge online monitoring system.

A new optical ultrasonic analysis transducer is described. The device includes a new detection means for the reflected ultrasound signal. The detector may be incorporated into a microchip design. The detector is compatible with a variety of material and design geometries that may be optimized for the particular application. Versions of the device may optionally include both excitation and receiving elements on the same device or these elements may be separate. Example designs are shown with applications to continuous wave ultrasound analysis useful for example in Doppler fluid flow measurements. Other designs are shown with multiple arrays and multiple excitation transducers to allow flexible three-dimensional imaging apparatus to be built. An equivalent circuit analysis of the frequency response and signal sensitivity provides means to customize material selection and other design parameters for particular applications.

A method of facilitating ultrasonic analysis of a subject is provided. The method involves producing signals for causing a set of outgoing ultrasonic signals to be transmitted to the subject, wherein the set of outgoing ultrasonic signals is defined at least in part by a variable imaging parameter that varies over time in accordance with a variable imaging parameter function, the variable imaging parameter function represented or representable at least in part by a function characteristic, receiving signals representing a time dependent representation of the subject generated from a set of received ultrasonic signals scattered by the subject, determining at least one property representation of the subject based on the function characteristic and the time dependent representation of the subject, and producing signals representing the at least one property representation of the subject to facilitate analysis of the subject. Systems, non-transitory computer readable media, and other methods are also provided.

Ultrasonic detection methods are disclosed. The method includes providing an ultrasonic detection system having a transmitting phased array device and a receiving phased array device. A phased array wave is transmitted through a revolutionary body from the transmitting phased array device to the receiving phased array device, thereby obtaining ultrasonic detection information about the revolutionary body. In another embodiment, the method includes positioning the transmitting phased array device and the receiving phased array device on a periphery of a turbine rotor, transmitting a phased array wave into the turbine rotor, the phased array wave not reflecting off of a reflecting feature, adjusting the positioning of the transmitting phased array devices on the periphery of the turbine rotor, and transmitting the phased array wave into the turbine rotor, the phased array wave reflecting off of a reflecting feature. The reflected phased array wave is received by the receiving phased array device.

Ultrasonic detection methods are disclosed. The method includes providing an ultrasonic detection system having a transmitting phased array device and a receiving phased array device. A phased array wave is transmitted through a revolutionary body from the transmitting phased array device to the receiving phased array device, thereby obtaining ultrasonic detection information about the revolutionary body. In another embodiment, the method includes positioning the transmitting phased array device and the receiving phased array device on a periphery of a turbine rotor, transmitting a phased array wave into the turbine rotor, the phased array wave not reflecting off of a reflecting feature, adjusting the positioning of the transmitting phased array devices on the periphery of the turbine rotor, and transmitting the phased array wave into the turbine rotor, the phased array wave reflecting off of a reflecting feature. The reflected phased array wave is received by the receiving phased array device.

The invention relates to the technical field of ultrasonic analysis of storage tank bodies, and discloses an ultrasonic guided wave monitoring device for corrosion of a storage tank body, comprising a protective cover, a coating block fixedly connected to the inner wall of the protective cover, a monitoring block fixedly connected to the inner wall of the protective cover, a supporting mechanism arranged in the protective cover, and a fixing mechanism, the fixing mechanism is arranged on the inner wall of the protective cover and comprises a first supporting sleeve, the outer wall of the first supporting sleeve is slidably connected with the inner wall of the protective cover, a supporting plate is fixedly connected to the bottom of the first supporting sleeve, a sliding groove is formed in the outer wall of the supporting plate, and a second supporting sleeve is slidably connected to the groove wall of the sliding groove. The negative pressure sealing position of the monitoring device is supported through the fixing mechanism, the adsorption stability of the monitoring device is improved, the monitoring block is more attached to the outer wall of the storage tank body, the stability of the monitoring process is improved, and the monitoring device can stably conduct corrosion monitoring on the storage tank body.

The invention relates to the technical field of fluid ultrasonic analysis, in particular to a quality control method based on a concrete member and production equipment. According to the method, suspected bubble signals of each vibration are screened, the vibration contribution degree is obtained according to the fluctuation degree of the amplitude difference of adjacent data points of each signal section of the suspected bubble signals of each vibration, and then the bubble signals of each vibration are divided into to-be-corrected signals and real signals; according to the vibration contribution degree of each signal section of the to-be-corrected signal in the corresponding signal section in the real signal, the vibration contribution degree of the signal section of the to-be-corrected signal is adjusted, and the vibration influence degree of the suspected bubble signal is obtained; selecting a bubble existence signal of each vibration according to the fluctuation condition of the vibration influence degree; and stopping vibrating the concrete for the next time until the bubble existence signal does not exist in each time of vibration. According to the invention, whether the bubbles in the concrete are completely discharged can be accurately and effectively judged, so that the quality of concrete construction is improved.

The invention discloses a vacuum pulse type method of extracting and purifying ursolic acid of rosemary. The method comprises the following steps: (1) drying and crushing a raw material medical material rosemary; (2) carrying out vacuum pulse type reflux extraction on the material by taking 20-90% of ethanol as a solvent, and concentrating the extracting liquor for later use; and (3) carrying out ultrasonic analysis on the concentrated ursolic acid extracting liquor after being adsorbed by D101 macroporous resin, and then, concentrating, crystallizing twice and drying to obtain a 90-98% ursolic acid product. The method provided by the invention efficiently and greenly extracts ursolic acid in the whole technical process under a condition that no organic solvents except ethanol are used, and the finally obtained ursolic acid product has the activities of bacteriostatic action, tumor resistance, inflammation dimishing and the like and is wide in application prospect.

A method and apparatus for analyzing elastography of tissue using ultrasound waves, wherein elastography information of tissue in a region of interest (ROI) is analyzed by irradiating ultrasound waves for diagnosis towards the ROI to which a shear wave is induced from an ultrasound probe, receiving echo ultrasound waves, and acquiring three-dimensional (3D) ultrasound images with respect to the ROI.

The invention discloses a cable defect detection system. A cable is clamped by a clamping portion. An ultrasonic sensor is provided at a place which is further than the safety distance of the cable, transmits a pressure wave signal which is generated by the partial discharge, due to cable core defects, of the cable which is running online, by an optical fiber, and sends the detected signal to an ultrasonic analyzer for detecting and analyzing. And finally comparing it with the pre-calibrated result to determine the defect degree of the cable. The cable defect detection system adopts a specialcable clamper to safely detect the defects of the cable when the cable is running online, and conducts sound waves by the optical fiber, and the detection success rate thereof is much higher than thetest result under the cable offline state.

A method and device for testing the quality of a display substrate are provided to detect whether the substrate has been broken. The device comprises an ultrasonic emitter and an ultrasonic receiver, both of which are set on the side opposite to the processing area, and it further comprises an ultrasonic analyzer connected to the ultrasonic receiver. The ultrasonic emitter emits ultrasonic waves for testing to the substrate, the ultrasonic receiver receives the ultrasonic waves reflected from the substrate, and the ultrasonic analyzer connected to the ultrasonic receive analyzes the received ultrasonic waves to determine whether the substrate has been broken. In the present invention, the fragment on anywhere comprising the processing area and the non-processing area of the substrate can be detected, the broken substrate can be picked out overall, and thus preventing the broken substrate from damaging the production line and the products.

The invention provides an ultrasonic plate wave automatic detection system, which comprises a mechanical system, a multi-channel ultrasonic system, a control system and acquisition analysis software;the mechanical system comprises a robot feeding and discharging subsystem, a plate ID identification subsystem, a plate positioning subsystem and a robot automatic scanning subsystem; the multi-channel ultrasonic system comprises a multi-channel flaw detector, a plate wave probe, a network communication bus, a bus main board, a power supply board, an IO board and acquisition software; the controlsystem comprises a PLC part, a bus cable, a servo driver, a DC-Link connector and an encoder. The acquisition and analysis software comprises a communication module, an ultrasonic analysis module, anultrasonic algorithm module, a software framework module and a visual analysis module. The system is applied to a production line. The whole system comprises a mechanical scanning device, an electrical control system, a multi-channel ultrasonic instrument and signal acquisition and analysis software, and the system adopts a plate wave inspection technology to complete the automatic working processof feeding, detecting, discharging and sorting of plates.

The utility model relates to the technical field of geological detection equipment, and particularly discloses an auxiliary device for detecting shaft / inclined shaft surrounding rock geology, which comprises a pipe sleeve, a transparent cover is arranged at the front end of the pipe sleeve, and the rear end of the pipe sleeve is communicated with the front end of a guide pipe; an imager and a transmitting-receiving integrated radial transducer are fixedly mounted in the pipe sleeve, and the measuring end of the imager is located in the transparent cover; the imager and the transmitting-receiving integrated radial transducer penetrate through the guide pipe through a first line and a second line respectively to be connected to the ultrasonic analysis video display device. The device is used for improving the detection distance and the detection accuracy of geological condition detection of shaft / inclined shaft surrounding rock.

A system for resistance spot welding control and a method thereof are disclosed.A system for regulating welding parameters of a spot welding machine joining a plurality of panels according to an aspect of the present disclosure includes an ultrasonic sensor installed inside an electrode of a welding gun, applying a ultrasonic wave to a welding part of the panel, and detecting a reflected ultrasonic signal; an ultrasonic analyzer capable of creating ultrasonic analysis information by analyzing in real time the ultrasonic signal; and a welding controller receiving the ultrasonic analysis information from the ultrasonic analyzer, performing adaptive welding control with the welding parameters set based on information of the panel, and compensating in real time one or more welding parameters according to the received ultrasonic analysis information.