26 results about "Spiral wave" patented technology

In general, in one aspect, embodiments relate to a method and / or system that includes disposing a cement bond logging tool into a wellbore. The method and / or system comprising: a cement bond logging tool comprising: two or more transmitters configured to transmit an acoustic wave from cement bond logging tool; and an array of receivers configured to receive a refracted waveform; and an information handling system configured to process the refracted waveform from the array of receivers into a cement bond property log.

The invention belongs to the technical field of wind power generation, and particularly relates to a fan blade fault diagnosis system and method based on a spiral waveguide tube, and the method comprises the following steps: S1, obtaining the sound pressure and receiving time of sound waves received at a measurement point, and enabling the sound waves to be transmitted to the measurement point through different transmission paths; s2, comparing the sound pressure value with a preset threshold value, returning to S1 if the sound pressure value is lower than the threshold value, and entering S3 if the sound pressure value is higher than the threshold value; s3, calculating the time difference of the sound waves propagated in different propagation paths to reach the measurement point location; and S4, calculating the three-dimensional coordinates of the sound source according to the sound wave transmission model, the geometric constraint of the internal structure of the fan blade and the time difference. Compared with the prior art, the invention solves the problems of easy interference, limited detection distance, complex structure and high cost based on acoustic signal detection in the prior art. According to the scheme, low-cost detection and positioning of the fault position of the fan blade are realized through a simple acoustic sensing structure.

Spiral wave sieve device (1) comprising the following: several spiral wave screen modules (50), each comprising several rotatable spiral shafts (10, 20, 30, 40) whose axes of rotation (11, 21, 31, 41) are arranged parallel to each other and form a conveying plane (E), wherein the spiral wave screen modules (50) are configured to separate a material mixture into at least a first fraction (I), a second fraction (II) and a third fraction (III) and to transport the first fraction (I) along the conveying plane (E) in a first conveying direction (x) transverse to the axes of rotation (11, 21, 31, 41) and the second fraction (II) along the conveying plane (E) in a second conveying direction (y) along the axes of rotation (11, 21, 31, 41), wherein screen gaps are formed between the spiral waves (10, 20, 30, 40) through which the third fraction (III) is discharged in a third conveying direction (z), in particular the direction of gravity, transverse to the conveying plane (E), wherein the spiral wave screen modules (50) are arranged successively in the first conveying direction (x) transverse to the axes of rotation (11, 21, 31, 41) and the conveying plane (E) of a spiral wave screen module (50) following in the first conveying direction (x) is arranged or movable in the direction of gravity offset downwards with respect to the conveying plane (E) of the preceding spiral wave screen module (50).

The invention discloses a rapid tissue dehydration device and method based on ultrasonic spiral wave recovery enhancement, and relates to the field of pathological tissue dehydration, the rapid tissue dehydration device comprises a mounting table, the mounting table is fixedly connected with a dehydration box, the dehydration box is rotatably connected with two mounting pipes, a mounting ring is fixedly connected between the two mounting pipes, and the mounting ring is rotatably connected with the dehydration box. According to the rapid tissue dehydration device and method based on ultrasonic spiral wave recovery enhancement, the ultrasonic spiral wave recovery enhancement technology is adopted, the resonance effect of ultrasonic waves in pathological tissue is utilized, and the rapid tissue dehydration effect is improved. The movement speed of water molecules in pathological tissues is obviously increased, and rapid dehydration is realized. And meanwhile, by matching with multi-angle overturning of the dehydration medium mixing and stirring mechanism, comprehensive ultrasonic treatment of the pathological tissue is ensured, and the dehydration effect and efficiency are further improved.

The present application relates to a kind of exhaust duct and integrated air conditioner.The present application provides a kind of exhaust duct, comprising: flexible tube can be compressed or stretched, the flexible tube is spirally wound along the compression or stretching direction to form multiple turns of wave crest and multiple turns of wave trough, reinforcing rib is formed at least one of the multiple turns of wave crest in wave crest portion.The present application forms reinforcing rib structure on the outer surface of one or more turns of wave crest in multiple turns of spiral wave crest portion, so that the exhaust duct greatly reduces steel wire structure or does not need steel wire structure, under the premise of meeting original stretching, bending, compression performance, mold is simple, cost is lower, improve the compression ratio of exhaust duct, the length of the same exhaust duct after stretching is shorter after compression, reduce packing space.

The invention relates to an air-breathing electric propulsion system ground test system and method, and belongs to the field of ultra-low orbit space electric propulsion, and the system comprises a spiral wave plasma source, an incoming flow parameter measurement device, a tested air-breathing electric propulsion system, a micro-thrust frame, a vacuum system, a gas cylinder and a micro-thrust frame measurement system. A gas cylinder is used as a gas source to generate simulated incoming flow through a spiral wave plasma source, the simulated incoming flow enters a tested air-breathing electric propulsion system, the thrust of the tested air-breathing electric propulsion system is calculated by measuring net thrust, and then specific impulse is calculated. The spiral wave plasma source is used for generating rarefied gas plasma incoming flow equivalent to neutral gas incoming flow, incoming flow with different track heights and different component contents can be simulated by adjusting flow, power, magnetic field intensity and the like, and performance verification of the air suction type electric propulsion system is achieved by measuring net thrust.

This application provides a linear phase modulation method and system based on a linear receiving array, aiming to solve the problems of traditional underwater acoustic imaging systems being complex, having low resolution, and being unable to image moving targets in real time. The method uses an angular domain bandpass filter to filter and linearly phase-modulate the echo signal of a uniform acoustic wave with the same wavefront phase as the transmitted wavefront from the transmitting transducer at the receiving array. Then, through linear superposition, it modulates the wave into a spiral wave with a linear phase to the incident angle of the plane wave in each direction. The system includes a transmitting transducer for transmitting pulses, a linear receiving transducer array for receiving echoes, and an array signal processor for executing the above modulation method. This invention requires only a single sound source and only one transmission and reception cycle to perform real-time high-resolution underwater acoustic imaging of both stationary and moving targets, significantly simplifying the system while generating spiral waves of a much higher order than existing technologies, thereby constructing high-resolution underwater acoustic images.

In general, in one aspect, embodiments relate to a method and / or system that includes disposing a cement bond logging tool into a wellbore. The method and / or system comprising: a cement bond logging tool comprising: two or more transmitters configured to transmit an acoustic wave from cement bond logging tool; and an array of receivers configured to receive a refracted waveform; and an information handling system configured to process the refracted waveform from the array of receivers into a cement bond property log.

The invention provides a rod-shaped foundation microwave heating device, which adopts a plurality of magnetrons to be converged into a waveguide tube through a multi-channel waveguide tube, so that energy superposition is realized; the waveguide tube adopts a spiral structure, and a plurality of transverse waveguide tubes are arranged on two opposite sides of the spiral waveguide tube from top to bottom, so that a plurality of transverse microwave transmitting ends are formed on one device from top to bottom; moreover, the screw pitch of the spiral waveguide tube is gradually reduced from top to bottom, so that the arrangement distance of the transmitting antennas is gradually reduced from top to bottom, microwave energy at the bottom of the microwave heating device is concentrated, energy weakening when the microwave energy is transmitted to the bottom of the spiral waveguide tube is avoided, and the heating effect on the deep frozen soil can be effectively improved. In addition, a transmitting antenna rotation driving assembly is arranged, so that the transmitting antenna can be driven to rotate, the large microwave irradiation range is ensured, and the large energy density during irradiation can be ensured.

The invention relates to the technical field of food processing equipment and food processing, in particular to a rapid tissue dehydration device and method based on ultrasonic spiral wave recovery enhancement, the rapid tissue dehydration device comprises a frame and a dehydration tank body arranged on the frame, one side of the frame is provided with an opening and closing door, the opening and closing door is provided with an observation window, and the frame is arranged on supporting legs; a water outlet is formed in the bottom of the dewatering tank body, and a flow guide groove is formed in the side wall of the dewatering tank body and used for guiding dewatering liquid to the water outlet; a guide rod is arranged in the dehydration tank body, and the guide rod penetrates through a through hole in the pressing plate to guide the pressing plate so as to apply downward pressing constraint to food in the dehydration tank body; a communicating pipe is arranged at the top of the frame, the communicating pipe is communicated with a cleaning ball head through a connecting pipe, and the cleaning ball head is arranged at the upper part in the dehydration tank body; a spiral wave sound field is formed through phase difference driving of the multiple ultrasonic transducers, a recovery enhancement control strategy is adopted, migration and discharge of liquid in tissue are promoted, and the dehydration efficiency and uniformity are improved.

The invention relates to the technical field of miniature power generation, in particular to an integrated miniature permanent magnet direct drive generator which comprises an air duct shell, a turbine, a permanent magnet power generation part, a flow field monitoring module and a control unit. The inner wall of the air duct is designed into the composite curved surface with the specific spiral waveform and the axial shrinkage, and key shape parameters of the air duct are accurately matched with pneumatic design points of the turbine, so that airflow is accelerated by the Venturi effect when passing through the air duct; the controllable spiral upheaval structure continuously endows tangential momentum consistent with the rotating direction of the turbine, meanwhile, the optimal pneumatic matching state is dynamically maintained based on real-time monitoring and load closed-loop control of the outlet rotational flow strength, in addition, early warning of performance degradation of the air duct is achieved through monitoring of characteristic pressure distribution, and the performance of the air duct is improved. The problem that the power generation efficiency is reduced due to mutual interference of airflow caused by the adoption of a plurality of independent flow guide mechanisms connected in parallel is effectively solved.

The invention relates to a high-power spiral wave plasma source device, and belongs to the technical field of plasma sources. According to the device, water-cooling flanges with different designs are combined with inner and outer quartz tubes to form three water-cooling passages which can be independent or connected in series, and a water-cooling spiral wave antenna is adopted. The interior of the inner quartz tube can be tightly connected with a high-vacuum device connected with the device, working medium gas conveying is completed, and the problem that the vacuum degree is reduced due to overheating of the connecting position is solved; the quartz tube is broken due to overheating; ohm heating is serious, so that the temperature of the antenna rises, and high-power long-time steady-state operation of the spiral wave source is difficult to achieve. Meanwhile, the supporting component is arranged to ensure safety and stability of the quartz tube. The device can support long-time hour steady-state discharge of different gases under the conditions of low air pressure (10 <-1 > Pa) and high power (20 kW), and provides a reliable high-density plasma generation source for research on interaction between plasma and wall materials.

The invention relates to the technical field of electromagnetic communication, and provides a plasma optical fiber system based on bright core mode spiral wave discharge. The plasma optical fiber system uses bright core mode spiral wave plasma as a waveguide medium, is free of solid materials, and can resist high temperature, vacuum and strong cosmic radiation; meanwhile, the gradient-controllable plasma density profile can cover wide frequency bands such as radio frequency, microwave and even terahertz; by adjusting the radio frequency power, the magnetic field intensity and the gas flow on line, transmission windows can be switched in real time, the guided wave mode can be controlled, the waveguide path can be reconstructed, the dynamic adjustability is extremely high, and an innovative, efficient and highly-integrated solution is provided for aerospace communication, remote energy transmission and multifunctional waveguide application in an extreme environment.

The invention relates to an acoustic online detection device and nondestructive detection method for hidden cracks on the surface of an egg based on helical ripple multi-dimensional excitation, and the device comprises an excitation sound production mechanism which is configured to push the egg to contact and collide so as to excite and generate sound waves, comprising a poultry egg pushing mechanism used for pushing poultry eggs to roll and a corrugated array mechanism used for making contact and colliding with the poultry eggs, the poultry egg pushing mechanism pushes the poultry eggs to make contact and collide with the corrugated array mechanism, and an included angle is formed between the direction of the contact track of the corrugated array mechanism and the poultry eggs and the moving direction of the poultry eggs; the sound wave collection mechanism is configured to collect sound waves excited by the poultry eggs and the ripple array mechanism; and the signal processing equipment is configured to receive the sound wave information acquired by the sound wave acquisition mechanism and detect and determine whether cracks exist on the surfaces of the poultry eggs or not according to the acquired sound wave information. The device can perform recessive crack detection on the three-dimensional surface of the eggshell of the poultry egg, the distribution of excitation points shows a remarkable spatio-temporal evolution characteristic, and along with the increase of a rolling period, contact points dynamically migrate and expand towards two poles (sharp ends and blunt ends) of the poultry egg along a spiral track, so that the detection accuracy is improved. The method fundamentally relieves the problem of detection blind areas caused by limited areas for detecting the hidden cracks, so that the hidden cracks on the surfaces of eggshells on the two sides of the sharp end and the blunt end of the poultry egg can be detected, the detection rate of poultry egg crack detection is improved, misjudgment is avoided, and the method shows relatively high adaptability in the actual application process and is suitable for popularization and application. The method can be used for egg quality detection and grade evaluation.

This application discloses an integrated tachycardia diagnosis and treatment device. This device integrates three-dimensional imaging and high-intensity focused ultrasound therapy on the same platform through a dual-mode phased array ultrasound transducer. Then, based on the Jacobian determinant vector method of topological current theory, it achieves high robustness, high precision positioning and direction identification of the three-dimensional spiral wave singularity. Next, it constructs a ring-shaped focused sound field around the singularity through the iterative angular spectrum method to compensate for the sound field distortion caused by rib obstruction. Combined with the real-time motion trajectory of the spiral wave, it achieves full-dimensional adaptive planning of the treatment path. Finally, the control module realizes the closed-loop collaborative work of each module. It achieves non-invasive diagnosis and treatment of tachycardia through non-invasive ultrasound technology, avoiding the safety risks of invasive operation and implantable devices. At the same time, through precise positioning, adaptive focusing and closed-loop control, it significantly improves the accuracy, effectiveness and safety of tachycardia treatment.

The application discloses a disc-shaped double helical wave manipulation dynamic vibration absorbing structure and belongs to the technical field of equipment vibration reduction. The disc-shaped double helical wave manipulation dynamic vibration absorbing structure is designed in a variable thickness mode. The propagation speed of elastic waves gradually decreases with the decrease of the thickness. The vibration amplitude is concentrated at the position where the thickness of the variable thickness region of the disc-shaped double helical wave manipulation dynamic vibration absorbing structure is the thinnest. A small amount of viscoelastic damping material is combined at the edge position, so that the vibration energy is dissipated as heat energy, thereby achieving the purpose of vibration reduction. In addition, due to the disc-shaped double helical wave manipulation dynamic vibration absorbing structure, the full-band resonance peak of the controlled structure is efficiently suppressed, and the weight of the vibration reduction structure is reduced, and the installation space of the structure is compressed. The dynamic vibration absorbing effect and the overall loss factor of the structure are increased by improving the modal density and the loss factor density, so as to provide a novel vibration reduction structure for efficiently reducing the vibration of the covering structure in the full-band high, medium and low frequency range.

The utility model discloses a spiral wave edge T-shaped cutter which comprises a cutter head and a cutter handle, the cutter head is connected to the end portion of the cutter handle, eight cutter teeth are arranged around the center of the periphery of the cutter head, the cutter head rotates anticlockwise for cutting, the cutter teeth are in a helical tooth shape, the front cutter face of each cutter tooth is connected with an alloy blade, and the contour of the cutting edge of each alloy blade is in a spiral shape. The rear side surfaces of the alloy blades are welded with the front cutter surfaces of the cutter teeth; the inclination angle formed between the front cutter surfaces of the cutter teeth and the axial direction of the cutter head is 20 degrees; the front side face of the alloy blade and the cutting edge of the spiral cutting edge are both in a wave shape, the wave-shaped cutting edge is provided with three wave crests, two wave troughs are formed among the three wave crests, and the length of the alloy blade in the axial direction is 16 mm. The wave-shaped cutting edge is provided with a plurality of wave crests and wave troughs, pressure can be adjusted in a fluctuating mode in the cutting direction in the machining process, excessive stress on the cutting edge portion is prevented, the milling face is smoother, and the cutting performance is improved.

The application discloses an interference signal detection system and method based on vortex light angle phase and a photoelectric detector array, and belongs to the technical field of optical measurement and photoelectric detection. The system generates an angular interference light field by coaxial interference of a plane wave and vortex light, and accurately configures the radial distance and spatial azimuth angle of each array element of the photoelectric detector array relative to the phase singularity of the angular interference light field according to a preset amplitude and phase matching relationship. The application utilizes the unique spiral wavefront characteristics of vortex light to linearly map the dynamic phase difference caused by measurement into a spatial physical rotation of an interference pattern, thereby constructing a continuous passive spatial phase shift mechanism distributed along the azimuth angle. The photoelectric detector array is placed in the angular interference light field, and can directly output four interference signals with equal amplitude and orthogonal phase. The application realizes a completely unpolarized optical path structure, fundamentally eliminates the nonlinear error introduced by polarization crosstalk, and significantly promotes the high precision, low cost and miniaturized integration of the system.

The application belongs to the technical field of wind power generation, and particularly relates to a fan blade fault diagnosis system and method based on a spiral waveguide tube, which comprises the following steps: S1: obtaining sound pressure of a received sound wave at a measuring point and a receiving time, wherein the sound wave is propagated to the measuring point by different propagation paths; S2: comparing the sound pressure value with a preset threshold value; if the sound pressure value is lower than the threshold value, returning to S1; if the sound pressure value is higher than the threshold value, entering S3; S3: calculating a time difference of the sound waves propagated by different propagation paths and arriving at the measuring point; and S4: calculating three-dimensional coordinates of a sound source according to a sound wave transmission model, geometric constraints of an internal structure of the fan blade and the time difference. Compared with the prior art, the application solves the problems of the prior art, such as being easily disturbed, limited detection distance, complex structure and high cost based on acoustic signal detection. The scheme realizes low-cost detection and positioning of a fan blade fault position through a simple acoustic sensing structure.

The present invention relates to the field of soft robotics, and more specifically, to a method for regulating the spiral motion of a self-oscillating gel. The method comprises pouring a self-oscillating solution into a reaction tank, cutting the self-oscillating gel into the self-oscillating solution, and then using a CCD camera to take timed photos of the self-oscillating gel. The photos are then transmitted back to a control system. Once the photos show that the self-oscillating gel generates a stably propagating pulse wave, the control system operates an 8-12 mW high-power laser to interrupt the self-oscillating gel, leaving only a single spiral wave. The control system then reflects a 0.15-1.85 mW low-power laser onto the self-oscillating gel via a reflector. The low-power laser directs the position of the spiral wave's tip. Different guidance of the tip position results in different spiral motion directions, thereby achieving regulation of the spiral motion direction of the self-oscillating gel. Compared to existing methods, the method is not limited by manual control, and the tip can be remotely controlled, resulting in higher accuracy.

The invention provides a three-dimensional sound source positioning imaging method, device and equipment based on a two-dimensional convex array and a medium, and the method comprises the steps: obtaining a time domain signal p (r, phi, y, t) passively received by a two-dimensional convex array ultrasonic transducer in a sound velocity non-uniform medium, the array elements of the two-dimensional convex array ultrasonic transducer are distributed on a cylindrical surface, and a cylindrical coordinate reference system is (r, phi, y, t); r is the extrapolation radius of the probe of the two-dimensional convex array ultrasonic transducer, and R is the distribution surface where the array elements of the convex array ultrasonic transducer are located; according to the time domain signal p (r, phi, y, t), determining the sound velocity distribution of a propagation medium, and generating an aligned sound velocity diagram to determine the slowness u (r, phi, y) of the medium; the time domain signal p (r, phi, y, t) is converted in the time t, the circumferential direction phi and the longitudinal direction y, a spiral wave spectrum Pn (r, ky, omega) is generated, omega represents the time angular frequency, n is the circumferential wavelength, and ky is the longitudinal wavelength; and according to the spiral wave spectrum Pn (r, ky, omega) and the medium slowness u (r, phi, y), determining a frequency domain sound field of a next layer, and according to the frequency domain sound field, generating a passive sound image I (r, phi, y). The scheme can accurately position the sound source.

1. The name of the design product: flat spiral wave spring. 2. The use of the design product: the design product is a spring that supports and buffers. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application provides a sound speed non-uniform spiral wave spectrum passive cavitation imaging method, device, equipment and medium, wherein the method comprises the following steps: a convex array ultrasonic transducer passively receives an ultrasonic time domain signal p(r, φ, t) in a sound speed non-uniform medium, the elements of the convex array ultrasonic transducer are distributed on an arc of a circle with a radius R, wherein r is the extrapolated radius of the current layer, φ is the circumferential angle in the coordinate system, t is time, and R is the distribution plane of the elements of the convex array ultrasonic transducer; based on the ultrasonic time domain signal p(r, φ, t), the sound speed distribution of the propagation medium is determined, and the aligned sound speed map is generated by aligning the probe of the convex array ultrasonic transducer; the ultrasonic time domain signal p(r, φ, t) is signal converted in time t and the circumferential direction φ to obtain a time frequency domain wave spectrum and a spatial frequency domain wave spectrum P n (r, ω), wherein ω represents frequency, and n is the spatial frequency corresponding to the Fourier transform with φ as the independent variable; based on the aligned sound speed map, the passive cavitation image I(r, φ) in the coordinate system is obtained by selecting the sound field intensity superposition in a specific frequency band Ω.

This invention discloses a processing method for a planar spiral wave spring, comprising: a rounding adjustment mechanism including a rounding channel and an adjustment component, the adjustment component controlling the rounding radius to process the raw material into a spiral wave structure; a wave forming mechanism including a first driving source and a forming component, the forming component being used to form the peaks and troughs of the spiral wave structure; a cutting mechanism including a cutting blade, the cutting blade performing cut-off; and a control mechanism controlling the processing steps of the rounding adjustment mechanism, the wave forming mechanism, and the cutting mechanism through an algorithm; the planar spiral wave spring includes a starting end and a ending end, the radius of the starting end and the radius of the ending end are not equal, the planar spiral wave spring has at least one coil, and the peaks or troughs corresponding to two adjacent coils of the planar spiral wave spring are located in the same radial direction; the planar spiral wave spring has high material rigidity and uniform forming stress distribution, and is mainly used in application scenarios with small axial space, large radial space, high stiffness, short stroke, and large axial force.

The invention belongs to the technical field of cutting steel wire production equipment, and particularly relates to a three-dimensional waveform cutting steel wire production system and method. The production system comprises a pay-off assembly, a take-up assembly and a driving assembly, and a steel wire is wound on the take-up assembly after being sequentially processed by the straightener and the deformation assembly. The deformation assembly is composed of mutually-meshed deformation gears, the rotating assembly drives the deformation assembly to rotate around the axis of a steel wire to form a three-dimensional spiral waveform, and the driving assembly achieves synchronous driving through gear and belt transmission. According to the production method, independent control over the spiral radius and the thread pitch of the finished steel wire is achieved by adjusting the distance between the deformed gears and the tooth number of the gears, the parameter adjusting process is more accurate, and finished steel wire structures of different specifications can be flexibly customized according to machining requirements; therefore, the problems that an existing plane waveform cutting steel wire structure is fixed in parameter and difficult to meet diversified cutting performance requirements are effectively solved.

1. Name of the product in this design: Corrugated pipe (spiral wave). 2. Application of this design: This design is intended for use in water supply pipelines. 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. 5. The product in this design is a tubular rotating body. The key design features are shown in the submitted views. The left view, rear view, right view, bottom view, and top view are omitted.