1178 results about "Supersonic waves" patented technology

A washing machine has a partial washing apparatus fitted on an outer surface of a main unit having a washing tub housed therein. The partial washing apparatus is movable between an use position and a non-use position. When the partial washing apparatus is in the use position, its washing portion faces a laundry entrance from outside the main unit; when the partial washing apparatus is in the non-use position, its washing portion is retracted from the position in which it faces the laundry entrance. The washing portion achieves washing by using supersonic waves generated by a supersonic vibration device. The laundry entrance is covered with a lid composed of a front lid and a rear lid coupled together so as to be foldable in two. The rear lid has a gate opening formed therein to let the partial washing apparatus pass through. The gate opening is partially or completely closed by a tray for sustaining a piece of laundry. The tray has a drain outlet formed in its bottom surface, and the drain outlet is open toward or communicates with a drain path leading to outside the washing machine. When the partial washing apparatus is in the non-use position, the tray rotates together with the rear lid.

The present invention discloses a transmitting device based on ultrasonic communication, which includes information modulate unit and audio- sound wave launcher heard by human ear; the information modulate unit is used for receiving original communication information and modulating the original communication information into low frequency envelope high-frequency analog signals to drive the launcher; The launcher is used for receiving high-frequency sound wave of carrying original communication information transited from low frequency envelope high-frequency analog signals of the information modulate unit, and is for sending. Ultrasonic wave communication can be realized with lower cost of using the present invention. The present invention also discloses Receiving apparatus based on supersonic wave communication, audio system and method, so supersonic wave communication can be realized with lower cost.

The invention discloses a preparation method of large-size graphene oxide or graphene. The preparation method mainly utilizes graphite as a raw material and comprises that 1, under the action of an intercalator and an expanding agent, graphite fully releases interlayer spaces so that interlayer interaction is reduced and a graphene aggregate is obtained, 2, the graphene aggregate is oxidized by an oxidizing agent, and then the oxidized graphene aggregate is peeled in water under gentle mechanical action so that a large area of a dispersion liquid of graphene oxide is obtained, and 3, the peeled graphene oxide is reduced by a reducer or heat treatment so that high conductivity graphene is obtained. The preparation method utilizes cheap raw materials, has a simple process, can be controlled easily, realizes fast and high efficiency solid-liquid separation, is convenient for industrial large scale production, prevents graphene crystal structure destroy caused by high energy supersonic wave, high speed shearing or fluid crushing. The obtained graphene has a large size and high conductivity and can be popularized and used in fields of high efficiency heat management, flexible display, energy conversion and storage.

The invention relates to a method for preparing endogenetic particle reinforced metal matrix composites under the coupling effect of a magnetic field and supersonic waves. The method comprises: adjusting the temperature of a metal matrix fused mass to the reaction initial temperature after refining, adding a reactant which can generate a particle phase with the fused mass through the reaction in situ for implementing the synthesis reaction, standing the mixture after the reaction is over, and cooling the mixture to the pouring temperature for pouring; and the method is characterized in that: the magnetic field and the high-intensity ultrasonic field are simultaneously exerted in the reaction synthesis process to realize the synthesis of endogenetic particle reinforced metal matrix composites under the coupling effect of the magnetic field and the high-intensity ultrasonic field. The magnetic field can be an intense pulse magnetic field, a high frequency oscillation magnetic field or a low frequency alternating magnetic field. In the method, the coupling effect of the magnetic field and the ultrasonic field makes the particle sizes be thinned and dispersed evenly; the ultrasonic vibration agitation and electromagnetic stirring functions improve the composite dynamic condition, and the compounding of the particle phase and a base metal interface is better; and the co-action of magnetochemistry and sonochemistry improves the thermodynamic condition of the reaction in situ, as well as speeding up the reaction in situ and controlling the growth of the particle phase.

A washing machine has a partial washing apparatus fitted on an outer surface of a main unit having a washing tub housed therein. The partial washing apparatus is movable between an use position and a non-use position. When the partial washing apparatus is in the use position, its washing portion faces a laundry entrance from outside the main unit; when the partial washing apparatus is in the non-use position, its washing portion is retracted from the position in which it faces the laundry entrance. The washing portion achieves washing by using supersonic waves generated by a supersonic vibration device. The laundry entrance is covered with a lid composed of a front lid and a rear lid coupled together so as to be foldable in two. The rear lid has a gate opening formed therein to let the partial washing apparatus pass through. The gate opening is partially or completely closed by a tray for sustaining a piece of laundry. The tray has a drain outlet formed in its bottom surface, and the drain outlet is open toward or communicates with a drain path leading to outside the washing machine. When the partial washing apparatus is in the non-use position, the tray rotates together with the rear lid.

The invention is a kind of supersonic wave tangent line saw for hard and crisp material, which comprises the bed, longitudinal working slide flat, transversal work slide flat, piece bracket, diamond line saw, supersonic wave vibrating device, saw reciprocating motion mechanism and electricity control device, the supersonic vibrating device is fixed on the upper arm of the C type work bracket through screw, the electrical signal is transformed into mechanical vibration, and enlarges the amplitude through a pole, the diamond saw vibrates as wave, it generates reciprocating motion through cranked rod, C type work bracket, slide flat seat. The saw is in linear high frequency vibration state and reciprocating motion; the invention is simple and has a high productivity.

A position information recognition apparatus for a cleaning robot includes a fixed plate installed to a body of the cleaner and a motor fixedly secured to the fixed plate to generate a rotational force. A rotational cylinder having a rotational axis coincident with the axis of the motor is provided so as to rotate about a predetermined angle and a plurality of position information sensors are installed on the rotational cylinder at predetermined angular spacing in order to sense the surroundings. By installing several supersonic wave sensors that can rotate left and right over a predetermined range, the observation region can be greatly increased.

The invention discloses a three-dimensional space detection system, a positioning method and a system, the positioning system comprises a positioning base station, a to-be-positioned marking device and a calculating device, the positioning base station synchronizes a standard time with the to-be-positioned marking device, transmits a supersonic wave signal, rotatably transmits a first laser plane signal around a first rotating shaft and rotatably transmits a second laser plane signal around a second rotating shaft which is vertical to the first rotating shaft; the to-be-positioned marking device synchronizes the standard time from the positioning base station and detects the supersonic wave signal, the first laser plane signal and the second laser plane signal; the calculating device is used for determining a three-dimensional space coordinate of the to-be-positioned marking device according to the time of the to-be-positioned marking device detecting the supersonic wave signal, the time of the same detecting the first laser plane signal and the time of the same detecting the second laser plane signal. The system and the method can realize indoor precision positioning based on the supersonic wave signal and the laser signals.

A washing machine has a partial washing apparatus, which has a supersonic resonator, which is driven by an oscillator to generate supersonic vibration and a supersonic vibration horn. A washing liquid is fed to the partial washing apparatus so as to be agitated by supersonic waves, which are then fed to an article to be washed to achieve partial washing of the article. The partial washing apparatus is detachably fitted to the washing machine proper at approximately the center of a lid of the washing machine proper. The partial washing apparatus may be used as a handy-type partial washing apparatus when held at a grip portion of the partial washing apparatus.

The invention relates to a device and a method for detecting pipeline closed cracks based on the vibro-acoustic modulation technology and belongs to the pipeline nondestructive testing field. The device provided by the invention comprises a computer, a first function generator, a second function generator, a first power amplifier, a second power amplifier, a vibration exciter, an accelerometer, acharge amplifier, a first thickness concertina-type piezoelectric ceramic sheet array and a second thickness concertina-type piezoelectric ceramic sheet array, an anti-aliasing filter and a data collection card. The method provided by the invention comprises the following steps of: acquiring a pipeline first-order bending vibration inherent frequency by swept frequency excitation; taking the frequency as the one of low-frequency vibration in the vibro-acoustic modulation detection; simultaneously exciting low-frequency bending vibration and high-frequency supersonic waves into the pipeline, determining whether there exists closed cracks inside the pipeline by the existence of frequency components which equal high frequency supersonic wave frequency subtracts or adds low frequency bending vibration frequency in a received signal frequency spectrogram. The device provided by the invention is utilized to solve the problem that it is hard to detect closed cracks by traditional methods, and can be applied to detect closed cracks in industrial pipelines.

The invention discloses a mobile terminal and a barrier alarm method. The mobile terminal comprises at least a supersonic sensor, a calculating module and a control module. The supersonic sensor is embedded in a housing of the mobile terminal and is connected with a mainboard. The supersonic sensor sends a supersonic wave signal to a barrier and receives the supersonic wave signal reflected from the barrier. Based on a time interval between sending the supersonic wave signal and receiving the supersonic wave signal by the supersonic sensor, the calculating module calculates a distance between the supersonic sensor and the barrier. The control module controls starting and shutdown of the supersonic sensor, and controls a display screen or a loudspeaker to give an alarm when the distance is less than a threshold. According to the barrier alarm method which is realized by utilizing the mobile terminal, the distance between the barrier and a user can be calculated, when the distance is less than the threshold, the alarm is given, thus the user is prompted to pay attention to the barrier so as to avoid collision with the barrier, and the security of the user is protected.

The invention discloses a nano-pore SiO2 aerogel heat-insulating composite material and a preparation method thereof. The nano-pore aerogel heat-insulating composite material comprises SiO2 aerogel, an infrared opacifier and reinforced fibers. The preparation method comprises: mixing silicasol and indium-tin oxide ITO nano alcohol slurry or nano composite alcohol slurry of ITO and TiO2 through supersonic wave action, mixing the mixture and the reinforced fibers, directly pouring the mixture into a die to form a wet gel complex, and performing supercutical fluid drying. The material has good heat transfer function and good obstructing function on solid heat conduction, air heat convection and infrared radiation heat conduction, simultaneously has good hydrophobicity, simple technique, low cost and wide application scope, has the mechanical strength reaching more than 1.2 MPa, and can be used in situations with higher heat protection requirement in the fields of avigation, spaceflight, military affairs and domestic use.

The invention discloses a graphene loaded Cu-CuxO composite material and a preparation method thereof. Through the preparation method, Cu-CuxO composite particles with uniform particle size and controllable morphology and components can be loaded on graphene. The preparation method comprises the following steps of dispersing uniformly oxidized graphite in deionized water by supersonic waves to obtain an oxidized graphene solution, adding a copper salt into the oxidized graphene solution, mixing uniformly, adjusting a pH value of the mixed solution obtained by the previous step to an appropriate pH value, putting the mixed solution into a reactor for a hydro-thermal reaction, carrying out separation and calcination of reaction products obtained by the hydro-thermal reaction to obtain the graphene loaded Cu-CuxO composite material. The preparation method has the advantages of common and easily available raw materials, low cost, and simple and safe preparation processes. The prepared graphene loaded Cu-CuxO composite material has good structural stability, excellent physicochemical properties, and potential application values in the fields of lithium ion batteries, photoelectric conversion, catalytic degradation and electron devices.

The invention relates to a method for preparing modified attapulgite by silane coupling agent, belonging to field of developing and using attapulgite. The invention employs attapulgite as raw material, treats it with acid, gets acidified attapulgite; then disperses with supersonic wave, and hydrolyzes silane coupling agent, finally, proceeds dehydration and condensation reaction with hydrolysate of silane coupling agent and attapulgite, and gets said product. The invention employs silane coupling agent to treat attapulgite, and increases the interaction between attapulgite and organic material. It is proved by FTIR that product realizes silane modification, which creats condition for enlarging application range and increasing application value for attapulgite.

The invention provides a magnetic zeolite imidazate metal organic skeletal material, preparation thereof and application to liquid phase condensation catalytic reaction, and the invention belongs to the field of magnetic zeolite imidazate metal organic skeletal material technology. The invention employs FeCl3.6H2O to prepare Fe3O4 core with superparamagnetism, and cetyl trimethyl ammonium bromide is used as a template, and sodium silicate is used as silicon source of SiO2 casing layer, and a SiO2 casing layer with meso pores is formed on Fe3O4 using supersonic wave, and template is roasted and removed under N2 after drying, and magnetic SiO2@Fe3O4 nanospheres are prepared. imidazate metal organic skeletal structure is formed on surface of magnetic core SiO2@Fe3O4 with Zn or Co metal ions and 2-methylimidazole or benzimidazole ligand by in-situ self assembly using supersonic wave, and the magnetic ZIFs@SiO2@Fe3O4 material is obtained. The ZIF material is used for liquid phase condensation reaction catalysis.

The invention discloses a barrier-avoidance control method combining a depth camera and supersonic wave for robot and a system thereof. The system comprises the depth camera and an ultrasonic ranging module installed on the robot, a control module which is installed in the robot for processing barrier information of inner and outer barriers, and a display screen for displaying obstacle information, wherein the depth data camera and the ultrasonic ranging module are electrically and respectively connected with the input end of the control module, and the output end of the control module is electrically connected with the display screen. The depth data camera shoots depth images with current posture of 0.3-4m and shooting angle of 60 degrees on a real-time basis and determines the existence of outer barriers. The ultrasonic ranging module determines the existence of inner barriers within 0-0.3m body posture of the robot. Non-blind area detection for environment by a robot is realized, so that the robot can effectively avoid barriers during walking.

The invention discloses a method for extracting polysaccharide from a cordyceps militaris medium. The cordyceps militaris is crushed and mixed with water, is extracted in an enzyme liquor and an alkali liquor under 30 DEG C to 80 DEG C, and an obtained solution is centrifugalized. An insoluble substance is extracted repeatedly, and supernatants are combined. Amylase enzymolysis is performed on the obtained product under 50 DEG C to 75 DEG C. After centrifugation, a supernatant is condensed to be with a sugar content of 1.5 percent to 3.0 percent. The supernatant is added with ethanol and alcohol precipitation is performed on the obtained product under 0 DEG C to 4 DEG C, a product is obtained by drying the obtained product after centrifugation. After deproteinization and dialysis, crude cordyceps polysaccharide is obtained. A single enzyme method, a double enzyme method, a compound enzyme method and a supersonic wave enzyme method can be adopted, and protease, trypsin, etc. can be adopted. The method optimizes the technology route for extracting the cordyceps polysaccharide, enhances an obtaining rate and an extraction efficiency of the cordyceps polysaccharide. Extraction, separation and purification of the cordyceps polysaccharide are carried out effectively. The method provides a solution approach for the utilization of agricultural wastes, and provides a technology base for further exploitation of the cordyceps polysaccharide.

The invention provides a power transmission and distribution line partial discharge fault on-line detection method and an apparatus thereof, belonging to the measurement field. A method of on-line remote orientation focusing pick-up / positioning is employed to capture a supersonic wave signal generated in a discharge process, a heterodyne method is used to convert the picked supersonic wave signal into a sound / electrical signal which can be distinguished by detection personnel, according to a value size or change of sound pressure / voltage, whether a position where a partial discharge fault easily happens exists a contaminant flashover phenomenon or not and a degree of contaminant flashover are determined qualitatively and quantificationally, thereby, intensity of contaminant flashover of the position where the partial discharge fault easily happens and a size of threat to a system are determined, manpower and regular inspection cost can be greatly reduced, previous power failure time workload is reduced, safety operation of electric power equipment is ensured, maintenance cost is saved, and power supply reliability is raised. The method and the apparatus can be widely used in the on-line detection and fault diagnosis of a power transmission and distribution line.

The invention discloses a large-scale thin-wall skin self-adapting equal wall-thickness milling system and a processing method thereof. The large-scale thin-wall skin self-adapting equal wall-thickness milling system comprises a contact probe, a contact probe signal receiver, a five-axes numerical control machine tool, a PC machine, a path measuring planner, a path measuring emulator, a curved surface reconstruction device, a thickness distribution fitter, a thickness compensation cutter track planner, a cutter track emulator and a supersonic wave thickness meter. In the invention, the surface morphology and thickness of a large-scale thin wall member can be respectively obtained through the contact probe and the supersonic wave thickness meter, an actual contour curved surface can be reconstructed by using a curved surface reconstruction device, then an actual thickness of the curved surface is calculated by using the thickness distribution fitter, the actual thickness and a theory thickness are compared through the thickness compensation planner, and then the thickness compensation cutter track can be obtained, so that purposes of higher automation degree and better processing precision can be reached.

It is a method for preparation and the special device of nanocrystalline ingotting from metallic fondant treated jointly by magnetic field and supersonic wave, solving the present technique problem of complex device, high cost, and difficulty to prepare large-scale nanometer material and so on. The invented method is as the following steps: melting and heating the matched raw material, deairing the metallic fuse-elements, pouring rapidly the deaired metallic fuse-elements into preheated crucible, heating upwards the liquidus curve, applying electromagnetic mixing and ultrasonic vibration, chilling until it freezes totally, then the block-shaped nanocrystalline ingotting being prepared; the special device that applied joint treatment of electromagnetic mixing and ultrasonic vibration having a holding furnace, which is equipped with a crucible, the special being characterized in that outboard of the holding furnace is equipped with magnetic field generator, over the crucible there is a ultrasonic transducer, and bottom of the crucible is equipped with a chiller.

The invention discloses a puffed glutinous rice purple sweet potato crisp chip and a production method thereof. The production method for the puffed glutinous rice purple sweet potato crisp chip comprises the following steps: pre-cooking and stewing cleaned and sliced purple sweet potatoes and then dispersing cells of the purple sweet potatoes by using pectinex or supersonic waves so as to prepare unicellularized purple sweet potato mash; uniformly mixing the materials of water, potato mash, the purple sweet potato mash, glutinous rice flour, white sugar, salt and a swelling agent to obtain mixed batter, drying the batter, slicing the dried batter and carrying out air-flow differential puffing or microwave puffing so as to obtain the puffed glutinous rice purple sweet potato crisp chip. The puffed glutinous rice purple sweet potato crisp chip produced by using the production method highlights the unique fragrance of purple sweet potatoes and the fragrance of glutinous rice and is rich in nutritional components like proteins, cellulose, starch, anthocyanin and phenol substances; the product of the crisp chip has crisp taste, a high puffing rate, excellent flavor, a beautiful color, high content of anthocyanin and abundant nutritional components, and the product is very popular among people and is a novel non-fried health-care puffed purple sweet potato crisp chip.

This invention discloses a laminated chip full color LED package structure and method mainly utilizing the package technology to die bond more than two various single-colour LED by lamination by heat or supersonic wave with metal oxide transparent conductive layer and metal reflection layer to make the lower layer of monocolour light mix with another via the transparent conductive layer to generate another color light source. The lowest is die bonded with metal reflection layer to reflect different colors of light and increase its intensity. In near distance, white or full color light are displayed and a full color LED is got by laminating the three basic colors while for remote two separated LED are used eg. yellow blue or red, green.

The invention relates to a method for determining the rock conjugate damage strength through adopting supersonic waves. The method concretely comprises the following operations: 1, respectively arranging a pair of longitudinal wave probes on two ends of two mutually perpendicular diameters on a cross section in the middle of a rock sample, and respectively continuously testing rock sound wave speeds between the two mutually perpendicular diameters of the rock sample in a short time (such as 1-3s) interval in the rock sample loading process until the rock sample is destroyed; and 2, finishing the changing process of two mutually perpendicular radial sound wave longitudinal wave speeds with the axial stress of the rock sample after the test completion, and obtaining the rock conjugate damage strength which is the axial stress corresponding with the substantially reduced radial longitudinal wave speed. The rock sample longitudinal wave speed test of the two mutually perpendicular diameters is carried out to eliminate the error caused by axial crack orientation generated during the axial loading of the rock sample and improve the determination precision.

The invention relates to a ceramic wave-transmitting material and preparing method thereof, wherein the material is prepared from sub-micron high purity silicon nitride, boron nitride, zirconium dioxide and nano silica flour through batching, homogeneously mixing by means of supersonic wave and chemical dispersion method, forming through cold isostatic compaction method, and high-sintering in nitrogen atmosphere.

The invention relates to a manufacturing method of an electronic-grade polyimide film with low linear expansion coefficient. The method is characterized by comprising the steps that (1) the step-by-step condensation polymerization technology or the blending compounding technology is used for obtaining two or more polyamide acid glue solutions comprising rigid structures and soft structures at the same time and are different in rigidity and softness; (2) ultrafine inorganic whiskers, like zinc oxide whiskers, silicon carbide whiskers and zirconium tungstate whiskers, which are subjected to surface organic modification already and / or nanoparticle materials are smashed and cavitated through high-energy-density supersonic waves, and then the functional fillers are compounded with polybasic polyamide acid in an in-situ micro-nano mode; (3) the compounded glue solutions are subjected to filtration, vacuum defoamation, extrusion casting filming, chemical amidization or thermal amidization, infrared complete amidization, high-temperature thermal forming processing, corona processing and a reeling process, and therefore the electronic-grade polyimide film with the thickness being 7.5-125 micrometers, the linear expansion coefficient being 5-18ppm / DEG C, and good physical mechanical performance is obtained.

Production of algin oligose and its usage are disclosed. The process is carried out by degrading for 1-5% algin solution at 40-80 degree and pH value 2-5 by supersonic wave for 7-10 hrs, adding anhydrous alcohol into degrading liquid, eluting by alcohol, extraction filtering, drying and grinding to obtain final product. The average polymerization is below 10 degree. It's simple and cheap, it can inhibit Gram-negative bacterium or positive bacterium growth effectively, have better broad-spectrum antibacterial activity, anti-inflammatory and analgetic functions.

The invention discloses a positioning device, a positioning base station, a spatial positioning system and method. The positioning device includes: a housing; a photosensitive sensor which is arranged on the housing; and a supersonic wave receiver which is arranged on the housing and has a position different from that of the photosensitive sensor. According to the embodiments of the invention, the technical solution determines a direction of the positioning device with respect to a positioning base station in accordance with a laser scanned signal, and in accordance with a supersonic wave signal transmitted by the positioning base station, determines the distance of the positioning device from the positioning base station. Since precision of laser scanned positioning and supersonic wave distance measuring are measured at millimeters and positioning speed is measured at milliseconds, the positioning speed is rapid. Therefore, the technical effects of spatial positioning in a rapid and precise manner are achieved.

The invention belongs to a research of realizing green wave band traffic signal lights control based on urban traffic main line soft enclosing area video detection identification. Based on an existing point control and network control signal lights, passing vehicles driven into and out of soft enclosing areas are acquired, counted and analyzed in real time via counting technologies of radar, infrared, sensing, supersonic wave, etc. and technologies of vehicle license plate video identification and the like so that time proportion of a green light of a current crossing is adjusted, and the vehicles driven into the soft enclosing areas and the vehicles driven in straight lines from a former crossing green light can completely pass when the light of the current crossing turns green. The vehicles driven in the straight lines pass the current crossing when the light of the current crossing turns green, and the vehicles can also pass the next crossing with the light is green so that "all the way green" passage of bidirectional vehicle flow driven in the straight lines in main lines with the traffic signal lights is realized. Road segments between crossings are provided with the soft enclosing areas, which is firstly put forward by the invention so that waiting time of the vehicles stopping at the crossing with a red light is reduced, passing capacity of main line roads is enhanced and urban road traffic pressure is alleviated.

In the conventional cleaning robot, by mainly using each supersonic waves sensor having a sensing range as +-30 DEG in consideration of an appropriate sensitivity, when four supersonic waves sensors are installed at a cleaner main body, a sensing range as 240 DEG is obtained, and accordingly it is impossible to observe surroundings of the cleaner thoroughly. In order to solve the above-mentioned problem, a position information recognition apparatus for a cleaning robot in accordance with the present invention includes a fixed plate installed at a cleaner main body; a main motor fixedly installed at the fixed plate in order to generate a rotational force; a rotational cylinder combined with a rotational axis of the main motor so as to be rotated at a certain angle; and plural position information sensors installed at the rotational cylinder at a certain angle in order to sense surroundings. By installing several supersonic waves sensors performable left / right rotation at regular intervals, observation region can be greatly increased, and accordingly it is possible to improve efficiency by eliminating unnecessary rotational motion of the cleaner main body in position recognition and distance compensation.