1579 results about "Ultrasonic generator" patented technology

The invention relates to the technical field of air conditioning, and discloses a control method of air treatment equipment. The filter screen device of the air treatment equipment comprises a filter screen body used for filtering air; the ultrasonic generator is connected with the filter screen body in a contactable manner so as to transmit vibration energy of the ultrasonic generator to the filter screen body. According to the self-cleaning filter screen device, high-frequency vibration of the ultrasonic generator is used for conducting vibration cleaning on dust attached to the filter screen body, almost no dust remains on the filter screen body, cleaning is thorough, the cleaning efficiency is high, noise is low when the ultrasonic generator works, energy consumption is low, and the use experience of a user can be effectively improved through the self-cleaning filter screen device. The vibration intensity and the vibration frequency of the ultrasonic generator are controlled according to the environment temperature and / or humidity, and the cleaning effect is ensured.

Disclosed in the present invention are a hydrogen production and dissolution system and method. The hydrogen production and dissolution system comprises a power supply assembly, an electrolysis assembly, a treatment assembly, a reaction assembly, and a safety assembly. The treatment assembly comprises a gas-liquid separator, and the gas-liquid separator is communicated with an electrolyzer; the reaction assembly comprises a pressure booster and reaction tanks, the pressure booster has one end communicated with the gas-liquid separator and the other end communicated with the reaction tanks, the pressure booster pressurizes the reaction tanks, and an ultrasonic generator is provided in each reaction tank; and the safety assembly comprises leakage sensors, and each leakage sensor is arranged on a side of a corresponding reaction tank. The hydrogen production and dissolution method is used for controlling the hydrogen production and dissolution system. The present invention can directly dissolve the produced hydrogen in water, thereby reducing potential safety hazards while eliminating the need for storage and transportation devices.

The invention discloses an efficient glass fiber plate cleaning and drying process which comprises the following steps: S1, pretreatment: performing appearance inspection on a to-be-cleaned glass fiber plate, and removing unqualified plates of which the surfaces are obviously damaged and cracked; s2, pre-cleaning: putting the glass fiber plate subjected to primary treatment into an ultrasonic cleaning tank, injecting clear water into the cleaning tank, enabling the liquid level of the clear water to completely submerge the glass fiber plate, starting an ultrasonic generator at the same time, and separating dust, loose chippings and other impurities on the surface of the glass fiber plate through the cavitation effect of ultrasonic waves to complete pre-cleaning; and S3, chemical cleaning, wherein after pre-cleaning is completed, the glass fiber plate is fed into a chemical cleaning tank containing alkaline pre-cleaning liquid. According to the technology, multiple cleaning procedures are combined with ultrasonic waves, chemical reagents and nano-particles, vacuum and hot air drying are matched, efficient cleaning and rapid drying of the glass fiber plate are achieved, few impurity residues exist, the water content is low, the surface flatness is good, parameter adaptability is high, energy is saved, environment friendliness is achieved, and the automation degree is high.

The invention discloses a micro-scale tin soldering device and method for ultrasonic laser composite energy field coordinated regulation and control. The micro-scale tin soldering device comprises a coordinated energy output module, a multi-physical field monitoring module, a wire feeding module, an intelligent regulation and control system and a motion platform, and a workpiece to be welded is arranged on the motion platform; the collaborative energy output module comprises a laser unit, an ultrasonic vibration unit and a focusable focus lens, the ultrasonic vibration unit comprises an ultrasonic generator, and the multi-physical field monitoring module comprises an infrared thermometer, a high-speed holographic imaging system and an acoustic impedance sensor; the high-speed holographic imaging system is used for recording brazing filler metal molten pool flowing and IMC nucleation dynamic states; the acoustic impedance sensor monitors the ultrasonic energy transmission efficiency; the intelligent regulation and control system is electrically connected with the multi-physics field monitoring module, and a multi-physics field coupling prediction model based on an LSTM neural network is arranged in the intelligent regulation and control system. According to the technical scheme, the structural design is reasonable, the energy field coupling efficiency is high, the material adaptability is high, the structure performance is controllable, the defect rate is remarkably reduced, and practicability is good.

The invention belongs to the technical field of industrial automation control, and particularly relates to a control system and method of a battery shell cleaning machine, and the method comprises the steps: obtaining a sound field signal in a cleaning tank, and carrying out the preprocessing to remove direct current drift and low-frequency mechanical vibration; the permutation entropy of the sound field signals is calculated to evaluate load complexity, a penalty factor of variational mode decomposition is adaptively constructed according to the load complexity, and then a fundamental frequency mode and a high frequency mode are separated; constructing a risk index reflecting the cavitation erosion degree according to the energy ratio of the high-frequency mode and the time domain volatility of the high-frequency mode; and according to the deviation between the risk index and the safety threshold, cooperatively adjusting the frequency jitter amplitude and the power amplitude of the ultrasonic generator. According to the method, through a self-adaptive decoupling damage signal and double-variable cooperative control strategy, on the premise that high cleaning efficiency is guaranteed, destructive cavitation and resonance damage are effectively restrained, and the balance between the cleaning effect and workpiece safety is achieved.

The invention provides a metal material recycling device and a method for leaching fluorine beryllium thallium and lithium rubidium cesium in lithium slag. Relates to the field of metal material recycling, and comprises a leaching tank placed on the ground through four supporting frames, the top of the leaching tank is fixedly provided with a top cover, and the bottom of the leaching tank is fixedly provided with a bottom cover. According to the metal material recycling device and the leaching method for fluorine beryllium thallium and lithium rubidium cesium in the lithium slag, the ultrasonic generator is arranged to supply energy to the first ultrasonic transducer and the second ultrasonic transducer to generate ultrasonic waves, the ultrasonic waves generate microjet flow to impact the surface of minerals, acid liquor permeation and ion diffusion are accelerated, the leaching time is shortened, and the efficiency is improved; the surface of the lithium slag is not prone to passivation, the leaching rate of target metal ions is increased, the leaching liquid is pumped out through the water suction pump, manual contact with the leaching liquid in the next solid-liquid separation procedure is facilitated, dilute sulfuric acid is supplemented through the acid supplementing pipe, then the lithium slag is placed through the funnel, and the consistency and controllability of starting of the leaching reaction are guaranteed.

The invention provides a coal storage temperature detection method and device, electronic equipment and a storage medium. An ultrasonic generator is arranged on the upper portion of the ground of a coal yard and transmits an ultrasonic signal to a coal pile; an ultrasonic signal receiver is arranged at the lower part of a ceiling of a coal yard to receive an ultrasonic signal penetrating through a coal pile and obtain propagation time and energy attenuation information of the ultrasonic signal, and temperature distribution of each area in the coal pile can be calculated based on the propagation time and the energy attenuation information in combination with a preset corresponding relation between ultrasonic sound velocity and temperature; and when the temperature of any area of the coal pile exceeds the preset coal ignition point threshold value, an alarm signal is triggered and position information of the corresponding high-temperature area is output, so that the problems that in the prior art, due to the fact that heat cannot be dissipated in time after coal is stacked, temperature distribution conditions of the middle and lower layers of the coal seam are difficult to master and early warning cannot be performed in time are solved. The spontaneous combustion of the coal is easily caused.

The invention provides a multi-modal ultrasonic machining closed-loop control system and method based on online detection feedback, and the system is provided with a dual-frequency combined machining module, a multi-modal monitoring array and a calculation controller, and deeply integrates ultrasonic machining, online detection and an intelligent control system. The surface forming quality and the material removal rate of a workpiece are judged according to vibration data, collected in real time, of a machining tool and received ultrasonic reflected waves, and the amplitudes and the vibration phases of a coaxial longitudinal / torsional vibration generator, a first ultrasonic generator and a second ultrasonic generator are regulated and controlled through an ultrasonic integrated circuit according to the judgment result. The dual-frequency composite vibration mode of the coaxial longitudinal / torsional vibration generator is regulated and controlled; real-time quality monitoring and closed-loop self-adaptive regulation and control in the machining process are achieved, the machining precision and the surface forming quality can be remarkably improved, meanwhile, accumulation of size errors is effectively restrained, the part machining precision and efficiency are improved, the service life of a tool is prolonged, and the system stability and the intelligent level are improved.

A workpiece clamp of the device drives a workpiece to rotate around the center line of the workpiece, a spinning wheel is installed on a tool rest in a free rotation mode, the tool rest is installed on a feed driving mechanism, and the feed driving mechanism is matched with rotation of the workpiece clamp so that the spinning wheel can be rolled to all positions of the side face of the workpiece. One end of the first amplitude-change pole is connected with the tool rest, the other end of the first amplitude-change pole is connected with the first transducer, an included angle is formed between the second amplitude-change pole and the extension direction of the first amplitude-change pole, one end of the second amplitude-change pole is connected with the tool rest, and the other end of the second amplitude-change pole is connected with the second transducer. Ultrasonic vibration is conducted in the direction perpendicular to and parallel to the center line of the workpiece; the method applies the device. By reasonably setting the ultrasonic phase and amplitude, the surface of the workpiece can be impacted in the vertical direction and the tangential direction of the surface of the workpiece, and the quality of the spinning workpiece is improved.

The utility model discloses a bearing ring cleaning device which comprises a cleaning box, a transmission mechanism, a hanging rod and a compression roller assembly, and a plurality of ultrasonic generators are installed on the side wall of one side of the cleaning box. The transmission mechanism comprises two symmetrically-arranged transmission chains, a plurality of transmission chain wheels and guide chain wheels are rotationally installed on the side walls of the two sides of the cleaning box, the transmission chains are wound around the transmission chain wheels and the guide chain wheels, the transmission chains are integrally arranged in a concave shape, a plurality of supporting plates are arranged on one sides of the transmission chains, and frame plates are arranged on the supporting plates. The compression roller assembly comprises a roller, the two sides of the roller are connected with the top plate through connecting rods, and when the bearing ring is transmitted to the lower end of the roller, the roller makes contact with the outer wall of the bearing ring. According to the bearing ring cleaning device, the compression roller assembly is arranged in the cleaning box to drive the bearing ring to generate certain displacement on the hanging rod, so that the contact area of the bearing ring and the hanging rod is exposed, and the cleaning effect of the bearing ring is guaranteed.

The invention discloses traditional Chinese medicinal material extraction equipment which comprises a heating tank, an evaporation tank and a purification tank, the evaporation tank and the purification tank are in a negative pressure state, the evaporation tank is arranged in the heating tank, the purification tank and the evaporation tank are fixed through a connecting seat, the evaporation tank and the purification tank are connected through a siphon, a steam conveying pipe is arranged on the evaporation tank, and the purification tank is connected with the evaporation tank through a siphon. A condensing pipe is arranged at the top of the purification tank, the bottom end of the condensing pipe extends into the purification tank, the end part of the steam conveying pipe is communicated with the condensing pipe, a plurality of ultrasonic generators are arranged on the inner wall of the purification tank, a filter cartridge for storing traditional Chinese medicinal materials is arranged in the purification tank, and a discharging pipe is arranged at the bottom of the heating tank; the traditional Chinese medicinal material extraction equipment can circularly extract traditional Chinese medicinal materials, so that the extract is concentrated, the extraction process is isolated from the outside, the pollution of the external environment to the extract is avoided, the overall structure is safe and efficient, and the equipment is suitable for popularization and use.

The utility model relates to the technical field of machining, in particular to an ultrasonic auxiliary machining tool which comprises a tool body, a first driving mechanism, a machining assembly and an ultrasonic assembly. The first driving mechanism comprises a first driving assembly capable of feeding in the first direction. The machining assembly is arranged at the movable end of the first driving assembly and comprises a main shaft and a cutter, and the main shaft is used for driving the cutter to rotate; the ultrasonic assembly comprises an ultrasonic generator and an ultrasonic receiver, the ultrasonic generator is arranged on the first driving assembly, the ultrasonic receiver is arranged at the movable end of the first driving assembly, and the ultrasonic receiver is used for receiving signals sent by the ultrasonic generator and driving the tool to vibrate in the first direction; the ultrasonic auxiliary processing machine tool can effectively improve the processing quality, the processing efficiency and the yield of processed finished products of brittle and hard materials.

The application belongs to the field of ultrasonic cleaning and relates to an aero-engine blade inner cavity ultrasonic cleaning device and method. The device can produce ultrasonic vibration on the blade and excite cavitation and abrasive of the blade inner cavity, thereby realizing efficient and high-quality cleaning of the blade inner cavity deposits. The technical scheme comprises an ultrasonic generator, a fixed end, an ultrasonic excitation mechanism, a first tool head and a second tool head. The fixed end is relatively fixed to the ground. The ultrasonic excitation mechanism is arranged at a relative position of the fixed end and connected to the ultrasonic generator. The first tool head comprises a first abutting surface which is abutted to the surface at the corresponding position of the workpiece to be cleaned, and the first tool head is fixed to the fixed end or the ultrasonic excitation mechanism. The second tool head comprises a second abutting surface which is abutted to the surface at the corresponding position of the workpiece to be cleaned, and the first tool head and the second tool head clamp the workpiece to be cleaned to the middle, and the second tool head is fixed to the fixed end or the ultrasonic excitation mechanism.

The invention provides a wafer stripping device and a control method thereof, and belongs to the technical field of semiconductor processing. The wafer stripping device comprises an ultrasonic water tank, wherein a liquid medium for transmitting ultrasonic waves is accommodated in the ultrasonic water tank; the ultrasonic generator is arranged in the liquid medium, and the radiating surface of the ultrasonic generator faces the top of the ultrasonic pool; the movement mechanism is used for installing the crystal ingot, so that the target end of the crystal ingot faces the ultrasonic water tank, the target end of the crystal ingot is close to the modified layer, the end face of the target end is parallel to the radiating surface of the ultrasonic generator, and the movement mechanism is further used for controllably driving the crystal ingot to rotate in the axial direction of the crystal ingot and move in a reciprocating mode in the horizontal direction; wherein the movement mechanism is used for driving the crystal ingot to rotate at a preset rotating speed and move along the horizontal direction at a preset speed, so that the energy of the ultrasonic generator continuously acts on the modified layer of the crystal ingot to strip the wafer. According to the wafer stripping device, the probability of wafer cracking can be remarkably reduced.

The invention discloses a preparation device of a titanium hydrogen storage alloy for solid hydrogen storage, which comprises a vacuum induction melting system and an ultrasonic generation system, the vacuum induction melting system comprises a vacuum chamber, a melting mechanism and a heatable mold which are arranged in the vacuum chamber, and a vacuum pump communicated with the vacuum chamber; the ultrasonic generation system comprises an ultrasonic generator, an amplitude-change pole and an ultrasonic probe which are connected in sequence, one end of the ultrasonic probe extends into the vacuum chamber, and a mobile positioning system for controlling the position of the ultrasonic probe is arranged on the vacuum induction melting system; the invention further discloses a preparation method of the titanium hydrogen storage alloy for solid hydrogen storage. According to the device, the ultrasonic generation system is arranged, ultrasonic waves are applied in the raw material smelting process, segregation of the Ti element is effectively restrained, meanwhile, dendritic crystal arms are broken in the alloy solidification process, more nucleation sites are formed to refine grains, and the device is suitable for preparing the titanium hydrogen storage alloy for solid hydrogen storage.

The utility model discloses an unmanned aerial vehicle with a deicing device, and relates to the field of deicing of high-voltage overhead conductors, the unmanned aerial vehicle is provided with the deicing device, the deicing device comprises a microwave generator and an ultrasonic generator which are oppositely arranged, and a power transmission line is located between the microwave generator and the ultrasonic generator. Microwaves and ultrasonic waves emitted by the microwave generator and the ultrasonic generator face the power transmission line. According to the utility model, the ice layer is cracked by utilizing high-frequency vibration heating generated by ultrasonic waves and microwaves, so that the purpose of removing the ice layer is achieved. According to the method, a power grid line does not need to be contacted, and line damage possibly caused by direct impact is avoided.

A novel optical glass cleaning and drying device belongs to the technical field of cleaning and drying equipment and comprises an air blower, a cleaning box, a bottom plate, an electromagnetic valve, a spray washing pipe and ultrasonic cleaning equipment. A heating mechanism is further arranged, a supporting plate is installed in the cleaning box, and the spray-washing pipe is installed at the upper end in the cleaning box; the air blower and the cleaning box are installed at the upper end of the bottom plate, an air outlet of the air blower is connected with one end of the first electromagnetic valve, one end of the first electromagnetic valve and one end of the second electromagnetic valve are connected with the outer side of the paint spraying pipe in parallel, and the other end of the second electromagnetic valve is connected with a tap water pipe. The lower portion of the cleaning box is connected with the third electromagnetic valve, the heating mechanism comprises an electric heating pipe and an outer barrel, communicating pipes are installed at the two side ends of the outer barrel respectively, the side end of the first communicating pipe is connected with an air inlet of the air blower, the electric heating pipe is installed at the outer side end of the outer barrel, and the ultrasonic generator is installed in the element box. The ultrasonic cleaning and drying device integrates ultrasonic cleaning, water cleaning and drying, so that the working efficiency is improved.

The invention discloses an ultrasonic stress-induced ice layer breaking deicing method, system and device for an insulator, and the method comprises the steps: sequentially transmitting a first frequency detection signal and a second frequency detection signal through an ultrasonic transmitting unit, collecting a reflection signal, and judging whether ice coating exists or not based on the characteristic difference of amplitude attenuation, propagation time difference and phase offset; if icing exists, deicing ultrasonic waves with initial power are transmitted, a power adaptive adjustment model is constructed by using real-time signals reflected by an icing layer, and the deicing power is dynamically optimized in combination with the characteristic change rate; the double-frequency signals are transmitted again at regular intervals, and after re-check reflection signals are collected and subjected to temperature correction, whether ice coating is completely removed or not is judged through characteristic differences; the system comprises an ultrasonic transmitting / receiving module, an icing judgment module and a power adaptive adjustment module. The device comprises a high-frequency ultrasonic generator, an ultrasonic transducer and a microcontroller. The device realizes integration of ultrasonic detection, deicing and effect verification, and is suitable for various insulator winter icing removal scenes.

The invention discloses a device for ultrasonic-assisted additive manufacturing of a metal workpiece, and relates to the field of laser additive manufacturing, the device comprises a circular base plate, a plurality of transducers, a synchronous stretching mechanism, a supporting box, a vibration isolation mechanism, a bearing air cylinder, a first driving motor and an ultrasonic generator, the supporting box is rotationally installed on the vibration isolation mechanism, the first driving motor is used for driving the supporting box and the circular base plate fixed to the supporting box to rotate, and the bearing air cylinder is installed on the equipment base and located on the inner side of the vibration isolation mechanism. The piston end of the bearing air cylinder penetrates through the supporting box and then is connected with the synchronous stretching mechanism through a thrust bearing, the energy converter is installed at the movable end of the synchronous stretching mechanism through a floating constant force connector, and the energy converter is connected with an ultrasonic generator through a high-frequency coaxial cable. The mechanical property of the annular rotary part during laser additive manufacturing can be improved by synchronously changing the position of the transducer.

The invention relates to the technical field of SCR (Selective Catalytic Reduction) denitration system equipment, in particular to an SCR denitration self-heating anti-blocking ammonia spraying nozzle and equipment, the ammonia spraying nozzle is provided with a double-layer sleeve structure, so that a heating cavity for mounting a heating device is formed between two sleeves; the inner pipe conveys mixed gas of ammonia gas and air, generation and attachment of viscous substances such as ammonium bisulfate are effectively avoided through heating of the heating device in the heating cavity, guide vanes are arranged in a nozzle at the end of the inner pipe, dust, ammonium salt and other substances attached to the position close to the nozzle are thrown away through centrifugal force, and the dust, the ammonium salt and other substances are prevented from being accumulated to block the nozzle; the ultrasonic generator is arranged on the outer pipe, so that ultrasonic waves can be emitted regularly, the inner pipe generates tiny vibration, dust, ammonium salt and other substances attached to the surface of the inner pipe are vibrated off, the self-cleaning function is achieved, the risk that the spray head is blocked is further reduced, and the problem that the ammonia spraying spray head is prone to being blocked is fundamentally solved.

The invention relates to the technical field of laser cutting, in particular to a high borosilicate glass cold cutting device with a positioning mechanism, which is used for performing laser cutting and splitting on a high borosilicate glass plate and comprises a laser cutting machine, a processing table longitudinally moving in the laser cutting machine and a laser head transversely moving in the laser cutting machine, the high borosilicate glass plate is installed on a machining table, a splitting cover with an upward opening and an ultrasonic generator are fixedly installed on the machining table, the splitting cover is filled with cooling liquid, two symmetrically-distributed clamping pieces are arranged in the splitting cover, and an XYZ three-axis platform is jointly installed at the tops of the two clamping pieces. An ultrasonic transducer is installed at the output end of the XYZ three-axis platform, the ultrasonic transducer is electrically connected with an ultrasonic generator, and a driving assembly for driving the clamping piece to move horizontally or vertically is installed between the clamping piece and the machining table.

The invention discloses an ultrasonic sectioning device for aquatic products, and belongs to the technical field of aquatic product processing.The ultrasonic sectioning device comprises a table body, a mounting frame is fixedly connected to the edge of the upper surface of the table body, a first air cylinder is fixedly connected to the middle of the upper surface of the mounting frame, and a connecting block is fixedly connected to the bottom end of the first air cylinder; pressing assemblies are fixedly connected to the two sides of the lower surface of the connecting block; according to the aquatic product cutting device, a first air cylinder and a pressing assembly are arranged, a spring pushes a pressing plate to apply pressure to aquatic products, so that a first roller makes contact with the aquatic products, conveying of the aquatic products cannot be hindered, the positions of the aquatic products can be limited, inaccurate cutting positions caused by slipping of the aquatic products in the cutting process are avoided, the cutting difficulty can be reduced, and the cutting efficiency is improved. And by means of the arranged cutting assembly, the generation frequency of the ultrasonic generator is controlled, and the vertical vibration depth of the cutting head driven by the amplitude-change pole can be controlled.

The invention belongs to the technical field of diesel engine cylinder cover cleaning, and particularly relates to a diesel engine cylinder cover machining cleaning device which comprises a base, an ultrasonic generator is fixed to the left side of the upper portion of the base, a cleaning cavity is fixed to the right side of the ultrasonic generator, and converters are fixed to the front portion and the rear portion of the inner wall of the cleaning cavity. The ultrasonic generator is electrically connected with the converter; a through hole is formed in the bottom of the cleaning cavity, a lifting cavity is fixed in the through hole, a hydraulic plate is slidably connected to the inner wall of the lifting cavity, a hydraulic rod is fixed to the upper portion of the hydraulic plate, a placement plate is fixedly connected to the upper end of the hydraulic rod, the placement plate is located in the cleaning cavity, and the cleaning cavity is filled with a cleaning agent. By means of the device, the problems that when an existing diesel engine cylinder cover is machined and cleaned, the cleaning effect is poor, the efficiency is low, and cylinder covers with different cleaning difficulties cannot be cleaned through one cleaning device are solved.

The invention discloses a single wafer ultrasonic cleaning device, and belongs to the field of ultrasonic cleaning, the single wafer ultrasonic cleaning device comprises a rack, a cleaning cylinder is fixed on the rack, a top cover is arranged above the cleaning cylinder, an electric push rod for driving the top cover to lift is mounted on the outer surface of the cleaning cylinder, and a placing cylinder is fixed at the bottom of the top cover through a connecting rod; the bottom of the placing cylinder is provided with filtering holes, the inner wall of the cleaning cylinder is provided with an ultrasonic transducer, the ultrasonic transducer is electrically connected with an external ultrasonic generator, the rack is further fixedly provided with a filtering box, and the filtering box is provided with a circulating system. Through the arrangement of the circulating system, the first infusion pump pumps cleaning liquid carrying pollutants in the cleaning cylinder to the circular shell, the cleaning liquid flows into the filtering box through the connecting pipe, impurity filtering is achieved under the action of the baffle and the filtering cylinder, then the filtered cleaning liquid is pumped back to the cleaning cylinder through the second infusion pump, cleaning liquid circulating flowing is formed, and waste of the cleaning liquid is reduced.

The embodiment of the invention relates to a battery detection method and device based on ultrasonic waves, electronic equipment and a storage medium. The method comprises the steps that an ultrasonic generator is controlled to apply an ultrasonic excitation signal to a first position of a detected battery; receiving an ultrasonic sensing signal collected by an ultrasonic sensor from a second position of the tested battery; performing characteristic measurement on the ultrasonic sensing signal to obtain ultrasonic transmission characteristic data; performing discharge state detection on the detected battery to obtain discharge state data of the detected battery; and determining battery state information corresponding to the ultrasonic transmission characteristic data and the discharge state data based on a preset battery state detection model. According to the embodiment of the invention, real-time nondestructive detection is carried out on the state of the battery by using ultrasonic waves, and the battery state model can accurately reflect the association between the ultrasonic transmission characteristics and the discharge state of the battery, so that the state of the battery can be more accurately deduced. And the ultrasonic sensor can be conveniently integrated in a battery system.

The invention discloses ultrasonic extraction equipment for caffeine in tea leaves, which comprises a kettle body and a vibration box hoisted at the axis of the inner side of the kettle body, a plurality of uniformly distributed ultrasonic generators are arranged in the vibration box, the bottom of the inner side of the kettle body is fixedly connected with a grinding disc, and an opposite grinding piece is movably arranged at the position, deviating from the axis, above the grinding disc. By combining ultrasonic treatment with mechanical crushing, the crushing efficiency and the crushing degree of tea leaves are improved, the stirring piece can move in the direction of the supporting rod, the tea leaves floating on the liquid level or above can be conveyed downwards in cooperation with the blade design and the rotating motion of the stirring piece, meanwhile, materials at the bottom are overturned upwards to be homogenized, and the crushing efficiency is improved. The movement of the opposite-grinding piece can push tea leaves, avoid material accumulation, prevent repeated grinding of the same batch of tea leaves, and realize functional linkage of grinding operation, material collection and pushing, stirring and directional material conveying under the same driving traction, so that the tea leaves can be uniformly dispersed, and the tea leaves can be fully decomposed under the action of high-frequency sound waves.

The invention discloses a double ultrasonic vibration and low-temperature minimal quantity lubrication composite milling device which comprises an ultrasonic milling assembly, the ultrasonic milling assembly comprises a milling cutter, an ultrasonic cutter handle, a first transducer, a first ultrasonic generator and a main shaft, a to-be-machined workpiece is clamped on a workbench, the milling cutter is located above the workbench and arranged on the ultrasonic cutter handle, and the first transducer is connected with the first ultrasonic generator. The ultrasonic cutter handle is arranged on the main shaft, the main shaft is connected with the main shaft feeding mechanism, the first ultrasonic generator is connected with the ultrasonic cutter handle through the first transducer, the injection direction of the low-temperature cutting fluid injector is aligned with a contact area of the milling cutter and a workpiece to be machined, and the vibration equipment is arranged on an injection path of the low-temperature cutting fluid injector. The ultrasonic vibration generating device is used for conducting ultrasonic vibration on the low-temperature cutting fluid, so that the ultrasonic cavitation effect of the cutting fluid is excited, the cutting fluid can conduct ultrasonic cleaning on the machining surface of a workpiece and the surface of a cutting edge of a milling cutter, and the situation that the surface of the workpiece is scratched by residual cuttings is reduced.

The invention discloses an ultrasonic amplitude-change pole vibration auxiliary machining system which comprises an ultrasonic generator, a machine tool spindle, a machining tool and a controller. A plurality of mounting lugs capable of mounting transducers are arranged on a machine tool spindle, during fixing, the tail ends of the transducers are fixedly connected to the mounting lugs, vibration transmission supports are arranged between the mounting lugs and a machining tool, ultrasonic vibration is transmitted to the machining tool through the vibration transmission supports, and the machining tool generates high-frequency vibration with multiple frequencies compounded. Stress is prevented from being excessively concentrated in the cutting process of the cutter device; according to the invention, the plurality of mounting lugs on which the transducers can be mounted are arranged on the machine tool spindle, and the vibration energy of the plurality of transducers can be accumulated at the tool bit of the machining tool in cooperation with the vibration transmission bracket, so that the tool bit of the machining tool generates high-frequency ultrasonic vibration during cutting, the surface machining precision is improved, and the wear of the machining tool is reduced.

A method and apparatus for finishing a surface of a component. The method includes installing the component in an apparatus configured to deliver a flow of abrasives to the surface and to generate cavitation bubbles in a liquid contacting the surface using a cavitation generator that includes an ultrasonic generator configured to generate cavitation bubbles in the liquid contacting the surface by ultrasonic excitation in the liquid or a laser configured to generate cavitation bubbles in the liquid contacting the surface by laser excitation in the liquid; controlling the cavitation generator such that cavitation bubbles are generated to finish the surface by implosion of the cavitation bubbles; and controlling the flow of slurry to the surface so as to finish the surface by abrasion. An apparatus for finishing a surface of a component is also disclosed.

The invention belongs to the technical field of coal seam gas extraction efficiency improvement, and relates to a coal seam ultrasonic anti-reflection effect evaluation method based on multi-parameter combined monitoring. The ultrasonic anti-reflection effect is comprehensively monitored through multiple means, and comprehensive evaluation on improvement of the gas extraction efficiency is achieved. Firstly, by monitoring parameters of an ultrasonic generator, it is ensured that ultrasonic waves stably operate according to set parameters; secondly, by monitoring a coal body structure, stress distribution, gas concentration and a microseism event, the physical change and gas release condition of the target coal body under the action of the ultrasonic field are evaluated; then, the gas extraction efficiency is calculated by monitoring the gas extraction flow and concentration, and the influence of ultrasonic anti-reflection on the coal seam gas extraction effect is evaluated. And then, the durability of the ultrasonic anti-reflection effect is evaluated by tracking and monitoring the change rate of the gas extraction efficiency for a long time. Finally, by calculating the improvement rate of the gas extraction efficiency, a judgment standard is established, and the improvement effect of the ultrasonic anti-reflection on the gas extraction efficiency is comprehensively evaluated.