202 results about "High power ultrasound" patented technology

A high-power ultrasound heating applicator for minimally-invasive thermal treatment of uterine fibroids or myomas. High-intensity interstitial ultrasound, applied with minimally-invasive laparoscopic or hysteroscopic procedures, is used to effectively treat fibroids within the myometrium in lieu of major surgery. The applicators are configured with high-power capabilities and thermal penetration to treat large volumes of fibroid tissue (>70 cm³) in short treatment times (3-20 minutes), while maintaining three-dimensional control of energy delivery to thermally destroy the target volume.

The invention provides a production method of a high-strength steel rope. The production method of the high-strength steel rope is characterized that low carbon is selected and used as raw materials of the steel rope, and the production technology comprises a first step of surface processing, wherein wire materials are placed on a pay-off rack, the diameter of the wire materials is 5.5mm, hot-rolled oxide-scale is eliminated through mechanical dephophorization equipment, high-power ultrasonic cleaning is conducted on the wire materials, the wire materials enter phosphating equipment, phosphating is conducted on the wire materials, the wire materials enter drying equipment and are dried finally, and preprocessed wire materials are obtained; a second step of drawing, wherein the preprocessed wire materials obtained from the first step are placed on a drawing machine, multi-pass drawing is conducted on the preprocessed wire materials, semi-finished wire materials are obtained, and winding up is conducted through a spool; a third step of water bath heat treatment and galvanization, wherein the semi-finished wire materials obtained in the second step are placed on the pay-off rack, the semi-finished wire materials are heated in a four-section form heat treatment furnace, quenching, drying, galvanization and cooling are conducted on the semi-finished wire materials, semi-finished wire materials are obtained, and winding up is conducted; a fourth step of wet type drawing, wherein the semi-finished wire materials obtained in the third step are placed on the drawing machine, multi-pass drawing is conducted on the semi-finished wire materials, the compression angle of a wire-drawing die of each pass is 13-14 degrees, dedicated lubricating agent is used as lubricating agent, the concentration of the dedicated lubricating agent is 2%-3%, finished wire materials are obtained, and winding up is conducted through a spool; a fifth step of stranding and rope forming, wherein the finished wire materials are placed on a stranding machine, stranding and laying-up are conducted, and the finished steel stranded rope is obtained.

The invention discloses an underground ultrasonic yield-increasing and atomized pumping device for coalseam gas. A reciprocating vacuum pump and an underground ultrasonic wave generator are connected by a control cabinet. The underground ultrasonic wave generator is connected to the ultrasonic yield-increasing and atomized pumping device. The reciprocating vacuum pump is connected to oil pipes. A casing pipe provided with an oil pipe is deeply inserted into a coalseam. An oil pipe opening is higher than a casting pipe opening. The ultrasonic yield-increasing and atomized pumping device is installed at the lower end in the oil pipe and used for sealing the oil pipe lower opening. The device includes: a high-power ultrasonic atomization transducer and a yield-increasing device ultrasonic transducer. The lower end of the high-power ultrasonic atomization transducer is connected to the yield-increasing device ultrasonic transducer, and is extended the lower end of the oil pipe opening. An inlet duct communicated with the casting pipe inner chamber is arranged in the oil pipe. A filter screen, a solenoid valve and a liquid level sensor are arranged in the inlet duct. The lower wall of the casting pipe is provided with eyeholes. A coalseam opening is arranged out of the casting pipe above the ground. According to the underground ultrasonic yield-increasing and atomized pumping device disclosed by the invention, the pumping operation for the coalseam gas can be completed, no mechanical motion occurs, and the advantages of saving energy, increasing the total desorption amount of the coalseam gas, reducing the cost and being simple in maintenance are achieved.

The invention discloses a portal frame movable type horizontal coordinate numerical control ultrasonic welding machine, which is characterized by being special welding processing equipment integrated by an ultrasonic welding machine and a numerical control machine. In the invention, a box type fixed work bench and a movable portal frame are adopted in a machine structure, a controlled driving air cylinder, a high-power ultrasonic vibrator and a welding head are arranged on a transverse towing plate arranged on a portal frame beam; the high-power ultrasonic vibrator provides a vibration source, a numerical control system controls a servo motor and a screw rod system to drive the portal frame, the transverse towing plate and a horizontal coordinate target seeking according to a program, the up and down stretching of the air cylinder drives the high-power ultrasonic vibrator, and the welding head carries out welding and resetting. The invention overcomes the problems and defects of high cost, low efficiency, incomplete usage of the equipment and processing equipment resource waste; and by numerical control target seeking and automatic welding point to point and hop to hop at a variable time, the invention enables the numerical control and the automation of the ultrasonic welding of a more complex large work piece to achieve the purposes of low cost, high efficiency and high quality.

An ultrasonic horn for use in a chemical reactor is formed as a unitary piece of material whose length is approximately equal to the wavelength of ultrasonic waves through the material at a selected ultrasonic frequency. The horn has a conically shaped distal end and a mounting surface at its proximal end, plus a mounting fixture between the proximal and distal ends for mounting the horn to a flow-through reactor with the distal end protruding into the reactor interior while the proximal end extends outside the reactor. The horn further contains a seal between the proximal and distal ends to seal the horn to the interior of a reaction vessel in a fluid-tight manner. With the unitary construction and the conical distal end, the horn is capable of transmitting high power ultrasonic waves to the reactor interior without damage to the horn or its mounting fixtures.

The present invention relates to a radial vibration sandwich piezoelectric ceramic ultrasonic transducer. A piezoelectric ceramic ring is arranged between a metal inner ring and a metal outer ring, the upper end surfaces of the metal inner ring, the metal outer ring and the piezoelectric ceramic ring are in the same plane, and lower end surfaces are also in the same plane. The metal inner ring and the metal outer ring can adopt steel rings, aluminum rings, brass or purple copper rings, titanium rings, aluminum nickel copper alloy rings and titanium alloy rings. The present invention realizes the high efficiency work of a radial composite transducer through a radial prestress impressed by the inner and outer metal rings, and realizes the parameter optimization of the transducer through reasonably designing the geometry size of the inner and outer metal rings simultaneously, such as resonance frequency, frequency bandwidth as well as electromechanical coupling coefficient. The present invention can be used for the high efficiency omni-directional acoustic source underwater and all kinds of supersonic processing high efficiency supersonic source in liquid.

The invention relates to a downhole liquid level measuring device applied to oil exploitation operation process. A simple and easy system which integrates signal generation, acquisition and analysis is provided so as to directly utilize a high-power ultrasonic probe. The technical scheme includes that a piezoelectric transducer downhole liquid level measuring instrument comprises a probe portion, a tunable frequency sinusoidal signal generating portion, a power amplification portion, a peak value detection portion and a phase difference detection portion, a tunable frequency sinusoidal wave generated by the tunable frequency signal generating portion is subjected to amplitude and power amplification, an ultrasonic signal subjected to power amplification is transmitted to a probe through a cable, the impedance of a piezoelectric transducer in the probe is changed, changed peak values of voltage and current signals are obtained through the peak value detection portion, the phase difference between the voltage and current signals is detected through the phase difference detection portion, and cased well liquid level positions are indicated through abrupt change of the phase difference. The piezoelectric transducer downhole liquid level measuring instrument is mainly applied to measurement of downhole liquid levels.

The invention relates to a large power composite ultraphonic pipe. A long composite ultraphonic pipe is formed in such a way that a plurality of short composite pipe piezoelectric transducer units areconnected along the axial direction by hollow thread pipes; both ends of the long composite ultraphonic pipe are provided with covers; each short composite pipe piezoelectric transducer unit comprises at least one cylindrical surface piezoelectric pile ring group; the outer parts of the cylindrical surface piezoelectric pile ring groups are provided with metal prestress shells; the outer walls ofthe cylindrical surface piezoelectric pile ring groups and the inner walls of the metal prestress shells are tightly compounded together; the inner parts of the cylindrical surface piezoelectric pilering groups are provided with expanding type prestress mechanisms; the two adjacent expanding type prestress mechanisms are electrically connected; the metal prestress shells of the two adjacent short composite pipe piezoelectric transducer units are electrically connected; cylindrical surface piezoelectric pile units in each cylindrical surface piezoelectric pile ring group are electrically connected, and the two adjacent cylindrical surface piezoelectric pile ring groups are electrically connected. The large power ultraphonic pipe can generate even cylindrical surface sound radiation in theradial omnidirectional range and is particularly suitable for the ultraphonic processing of liquid.

A bio-implantable energy capture and storage assembly is provided. The assembly includes an acoustic energy transmitter and an acoustic energy receiver. The acoustic energy receiver also functions as an energy converter for converting acoustic energy to electrical energy. An electrical energy storage device is connected to the energy converter, and is contained within a bio-compatible implant for implantation into tissue. The acoustic energy transmitter is separate from the implant, and comprises a substantially 2-dimensional array of transmitters. The acoustic energy converter may also provide conditioned power directly to a load, connected to said energy converter.

The invention relates to a large power ultrasonic wave micro-reactor. A horn-shaped sandwich type energy converter with large radiating surface can be directly connected with the micro-reactor in a rigid way, so the energy converter and the micro-reactor can resonate as a whole; the length of the whole ultrasonic micro-reactor in a direction perpendicular to a front radiating surface is a half of the ultrasonic wave length; when the whole ultrasonic micro-reactor works at the resonant frequency, the micro-reactor has the maximum vibration amplitude, so strong ultrasonic energy is achieved in the whole micro-reactor; the ultrasonic wave micro-reactor possesses great power, high ultrasonic energy transmitting efficiency and large ultrasonic reinforced covering area; technology fluid mixture or mass transferring can be intensified for the micro-reactor; and a problem of blocking of the micro-reactor can be solved.

The invention discloses a pentabasic piezoelectric ceramic material containing antimonite lead for a drive, consisting of a material expressed by a general formula of xPb ( Mg1/2W1/2)O3-yPb (Sb1/2Nb1/2)O3- ( 0.41-x-y)Pb ( Ni1/3 Nb2/3) O3-Pb0.59 (Zr z Ti 0.59-x )O3, in the formula, the x is more than or equal to 0.05 and less than or equal to 0.07, the y is more than 0 or equal to o and less than or equal to 0.04, and the z is more than or equal to 0.30 and less than or equal to 0.50. A preparing method comprises the processing steps of ingredient synthesis, precalcination, granulation, pressing, evacuation, sintering, silver calcination and polarization, and the processing steps are simple, the repeatability is good and the rate of finished products is high. Piezoelectric ceramic made by the invention passes the test, the tested result shows that the dielectric coefficient is between 600 and 850 pc/N, the electromechanical coupling factor is between 0.55 and 0.75, and the relative dielectric constant in room temperature is between 3500 and 5000. The pentabasic piezoelectric ceramic material can be used for preparing a vibration transducer, a controller shell, a dynamic fuel injected nozzle, a high-power ultrasonic device, a high-temperature and high-frequency vibrometer, a high-temperature flowmeter, a high-temperature resistant swarming buzzer, a high-temperature sensor, a drive and so on arranged in an automobile.

The invention discloses a high-efficiency energy-saving nano anti-wear agent, a preparation method and application thereof. The nano anti-wear agent is made by the following raw materials in weight proportion: 1 to 500 portions of nano metal particles, 100 to 10,000 portions of detergent dispersant, 100 to 10,000 portions of antioxidant, 100 to 5,000 portions of organic high polymer, and 80,000 to 500,000 portions of diluting agent, wherein the nano metal particles are mixture of two or more than two of metal particle molybdenum, boron, chromium, vanadium, titanium, aluminum and cerium. The compositions are mixed according to the proportion, are stirred to react at a specified temperature, are circularly sprayed and dispersed for a plurality of hours through a high-pressure plunger pump, and then form a steady nano-metal eutectic ion organic compound colloid by the dispersion of a high-power ultrasonic device. The nano anti-wear agent has the advantages of good service performance, simple preparation method, and broad application, and can form novel lubricating oil series products with lubricating oil.

The invention discloses a full-bridge high-power ultrasonic generator based on phase shift. The full-bridge high-power ultrasonic generator comprises a weak electricity circuit module, an MCU (microprogrammable control unit) module, an isolation driving circuit, a rectifying and filtering circuit, a full-bridge inverter module, an isolation transformer, an LC (inductance and capacitance) filtering matching circuit, an output voltage and current detection circuit, a temperature detection circuit, a bridge current detection and overcurrent protection circuit, an output current and voltage effective value measuring circuit, an output current and voltage phase detection circuit, an output overvoltage and overcurrent protection circuit, a display module, a storage module and a control module. The full-bridge high-power ultrasonic generator has the advantages that the design is skillful and reasonable, the size is small, the radiation is small, the performance is stable, the protection function is complete, the sweep frequency range and sweep frequency voltage self-setting function is realized, the resonance frequency of a transducer can be accurately found, the frequency tracking function is stable, and the output voltage, current, load and impedance information and the like can be monitored in real time during processing; the operation is convenient and simple, the power is high, and the full-bridge high-power ultrasonic generator is suitable for being widely popularized and applied.

The invention discloses a heading machine cutting head based on ultrasonic resonance. The cutting head consists of an ultrasonic transducer, an ultrasonic vibrator, telescopic cutting teeth, a roller,an ultrasonic generator, fixed cutting teeth and a frequency scanning core, wherein the ultrasonic transducer is a high-power ultrasonic transducer; the ultrasonic vibrator excites rock to vibrate and reduces the rock strength; the telescopic cutting teeth extend out by the aid of hydraulic thrust, cut into rock to cut the rock and can rotate with the ultrasonic vibrator synchronously; the fixedcutting teeth are mounted on the roller and cut the rock through rotation; the frequency scanning core scans the rock frequency in real time and feeds back the rock frequency to an operation system, and the operation system adjusts the ultrasonic frequency emitted by the ultrasonic generator in real time according to the feedback result. The cutting head has good adaptability to geological conditions, performs synchronous vibration and cutting, has controllable vibration range, high broken rock heading speed, high efficiency and long cutting tooth service life and can be applied to roadway heading in high-hardness rock strata to realize efficient breaking of hard rock.

The invention discloses a space-time four-dimensional wideband array-based high speed steel rail ultrasonic detection imaging apparatus. The apparatus comprises a detection front end and a background processor, and the detection front end and the background processor are wirelessly connected. An emission probe array in the detection front end expands to a three dimensional array from a traditional two dimensional probe array, and the emission probe is formed by laminating a wideband large-power ultrasonic energy transducer and a three dimensional funnel-shaped power focusing device, and realizes large power and small-caliber emission, so the contradiction between the emission power and the emission caliber is solved. The ultrasonic energy transducer is made through splicing multiple-frequency range strip-shaped ultrasonic energy transducers, and can flexibly generate a required wideband emission signal. The height and the inclination degree of the power focusing device are adjusted as needed to make a limited space accommodate many probes for forming a probe array in order to improve the detection precision. The apparatus and the method can improve the detection precision in many respects, and meets high speed steel rail detection demands.

This invention relates to a super large power ultrasonic generator with one common oscillation source, which comprises the following: power circuit, time circuit, signal generator circuit, front drive circuit, microprocessor power adjusting circuit, power amplifying and matching circuit and load circuit. The signal generator makes fractional frequency division of the time signals and generates control signals with frequency range of 16KHz-2MHz according to frequency points selected. The front drive circuit converts the control signals into drive signals with one to one hundred paths. The front drive signals are amplified with power and gets output pushing signals through matching circuit to fulfill the output power adjusting and controlling.

The invention relates to a device and a method for cleaning wool by an ultrasonic technique. The device is mainly applied to a wool washing industry of raw wool of wool. The device mainly comprises a wool guide device 1, a washing groove 2, a net plate 3, and a multi-frequency ultrasonic vibrating box 4. The raw wool is added to the washing groove 2 by the wool guide device 1; and the multi-frequency ultrasonic vibrating box 4 is opened to clean the impurity on the wool, and sinks into the bottom of the groove through the net plate 3. A high-power ultrasonic vibrating box emits a strong ultrasonic wave to a wool fiber in the water, so that the efficiency of removing impurities such as the raw wool and wool fat is improved; energy consumption and water are greatly saved, and the ultrasonic wool-washing device has good social benefit and economic benefit.